Abstract: A movable magnet type linear motor with an improved end cover assembly includes a mover having a housing and an accommodating space extending along an axis of the housing for receiving therein a coil, wherein the housing having each of two opposite ends formed with a retaining groove in a direction perpendicular to the axis of the housing for receiving an end cover that is centrally formed with a hole so as to receive a stationary inner stator, and wherein an engaging mechanism is provided between the end cover and the retaining groove so that the end cover is allowed to be assembled to the housing in the direction perpendicular to the axis of the housing and coupled with the housing.

Abstract: A movable magnet type linear motor with a mover heat-dissipating assembly includes a mover having a housing receiving therein a coil seat for holding a coil, openings being formed at two opposite ends of the housing, end covers being attached to the openings and having central holes so as to allow an inner stator to pass through the holes, wherein a plurality of heat dissipating channels are provided between the coil seat and the housing while the end covers have plural heat dissipating holes corresponding to the heat dissipating channels so that external cool air is allowed to enter the housing through the heat dissipating holes and the heat dissipating channels, thereby cooling the mover.

Abstract: A brake structure for a main shaft of a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft and a brake assembly. The main shaft is provided for fixing the torque motor and the body, and the brake assembly is mounted between the body and the main shaft. An annular brake oil room of the brake assembly is positioned against the main shaft, and the brake seat subassembly has a thinner brake deformation wall formed between the annular brake oil room and the main shaft. The annular brake oil room utilizes its high pressure caused deformation to the brake deformation wall, thus achieving a braking effect by pressing the main shaft. Thereby, the present invention is easy to assemble, and not only can stop the main shaft quickly, but also has a greater locking force.

Abstract: A stator assembling mechanism of linear motor that is adapted to automated assembling process, including a sleeve, several magnetic members and two end pieces. The sleeve includes a straight tubular body having two axial ends each having an opening. The magnetic members are sequentially axially arranged in the straight tubular body with the magnetic poles of the same polarity adjacent to each other. Each end piece has a main body formed with a threaded section for screw-connecting with one axial end of the straight tubular body so as to block the openings thereof and restrict the magnetic members within the sleeve. A driven section is disposed at one end of the main body. Via the driven section, an external power device can drive the main body to screw-connect the threaded section with the axial end of the straight tubular body so as to connect the end piece with the sleeve.

Abstract: A movable magnet type linear motor with an improved end cover assembly includes a mover having a housing and an accommodating space extending along an axis of the housing for receiving therein a coil, wherein the housing having each of two opposite ends formed with a retaining groove in a direction perpendicular to the axis of the housing for receiving an end cover that is centrally formed with a hole so as to receive a stationary inner stator, and wherein an engaging mechanism is provided between the end cover and the retaining groove so that the end cover is allowed to be assembled to the housing in the direction perpendicular to the axis of the housing and coupled with the housing.

Abstract: A movable magnet type linear motor with a mover heat-dissipating assembly includes a mover having a housing receiving therein a coil seat for holding a coil, openings being formed at two opposite ends of the housing, end covers being attached to the openings and having central holes so as to allow an inner stator to pass through the holes, wherein a plurality of heat dissipating channels are provided between the coil seat and the housing while the end covers have plural heat dissipating holes corresponding to the heat dissipating channels so that external cool air is allowed to enter the housing through the heat dissipating holes and the heat dissipating channels, thereby cooling the mover.

Abstract: A vacuum sucker for workpiece having through holes comprises a vacuum cup and a vacuum accessory. The vacuum cup is provided with a combining section and a vacuum chamber. The vacuum accessory is provided with an assembling section and a suction head having an abutting surface. The vacuum accessory is defined with a passage, the assembling section of the vacuum accessory is screwed with the combining section of the vacuum cup, so that the suction head of the vacuum accessory is located in the vacuum chamber of the vacuum cup. Thereby, the abutting surface of the vacuum accessory can seal the through holes of the workpiece so as to prevent air from outside from entering the vacuum sucker, and the passage of the vacuum accessory is used to vacuum the vacuum chamber of the vacuum cup, thus sucking the workpiece successfully.

Abstract: A direct drive torque motor comprises: a body, a direct drive torque motor, a main shaft, a bearing assembly, a brake assembly, a cooling assembly, and a position-sensing assembly. The bearing assembly is used to position the main shaft in the direct drive torque motor and the body. The brake assembly is disposed between the body and the main shaft. The cooling assembly is located in the body to cool the torque motor. The position-sensing assembly is mounted on the body for sensing the rotation of the main shaft and then controls the drive of the direct drive torque motor. With above arrangements, the direct drive torque motor can be used on various machines that need to rotate to perform various angle control, rotation control and accuracy control, it can improve the life and the modular application of the product.

Abstract: A water cooled stator for a direct drive torque motor comprises a stator base, silicon steel sheets, coils, sealing glue and a water cooled sealing tube. A helical water groove is defined in the outer surface of the stator base. The silicon steel sheets and coils are fixed in the stator base by the sealing glue after solidification. Then, the water cooled sealing tube is directly mounted outside the stator to seal the helical water groove by liquid. By such arrangement, the water cooled sealing tube is used to accomplish simple and independent water cooled sealing, the volume of the products can be effectively reduced, and the water cooled sealing tube can be applied to various tool machines.

Abstract: A brake structure for a main shaft of a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft and a brake assembly. The main shaft is provided for fixing the torque motor and the body, and the brake assembly is mounted between the body and the main shaft. An annular brake oil room of the brake assembly is positioned against the main shaft, and the brake seat subassembly has a thinner brake deformation wall formed between the annular brake oil room and the main shaft. The annular brake oil room utilizes its high pressure caused deformation to the brake deformation wall, thus achieving a braking effect by pressing the main shaft. Thereby, the present invention is easy to assemble, and not only can stop the main shaft quickly, but also has a greater locking force.

Abstract: A bearing-lubricating structure for a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft, a bearing assembly, an adjustment nut and an oil-filling assembly. The bearing assembly includes an assistant roller bearing which is positioned against the rear cover, the main shaft and the adjustment nut. The rear cover is defined with a lubrication oil piping, which is communicated to the assistant roller bearing and communicated to an annular lubrication space located between the rear cover and the adjustment nut. The oil-filing assembly is mounted on an open end of the lubrication oil piping. Thereby, with the abovementioned simplified structure, the main shaft can be lubricated, and the maintenance cost can be reduced.

Abstract: A main shaft-lubricating structure for a direct drive torque motor comprises a body, a direct drive torque motor, a main shaft, a bearing assembly, an adjustment nut and a brake assembly. The main shaft cooperates with the adjustment nut to fix the torque motor, the bearing assembly and the body. The bearing assembly utilizes the main bearing and the brake assembly to be supported between the body and the main shaft. The brake assembly and the body are defined with a first lubrication oil piping and a second lubrication oil piping, respectively. The first lubrication oil piping is communicated with the main bearing, and the second lubrication oil piping is communicated between the brake assembly and the main shaft. Thereby, with the abovementioned simplified structure, the main shaft can be lubricated, and the maintenance cost can be reduced.

Abstract: A direct drive torque motor comprises: a body, a direct drive torque motor, a main shaft, a bearing assembly, a brake assembly, a cooling assembly, and a position-sensing assembly. The bearing assembly is used to position the main shaft in the direct drive torque motor and the body. The brake assembly is disposed between the body and the main shaft. The cooling assembly is located in the body to cool the torque motor. The position-sensing assembly is mounted on the body for sensing the rotation of the main shaft and then controls the drive of the direct drive torque motor. With above arrangements, the direct drive torque motor can be used on various machines that need to rotate to perform various angle control, rotation control and accuracy control, it can improve the life and the modular application of the product.

Abstract: A clearance eliminating structure for a shaft of a direct drive torque motor comprises: a body, a direct drive torque motor, a bearing assembly and an adjustment nut. The main shaft includes a plurality of stages which are used to positioning the torque motor and the bearing assembly, and then torque motor and the bearing assembly are used to position the body. The main shaft is formed at the end with threads for enabling the adjustment nut to press tightly against the respective components on the main shaft. When the present invention is used on the assembly of the direct drive torque motor, which can not only simplify the assembly operation, improve the reliability, but also eliminate the clearance of the main shaft to increase the service life of the product.