A belt grinding machine with a rotatable grinding head

Abstract

The present invention relates to a belt grinding machine with a rotatable grinding head, which includes a grinding tooling for placing a workpiece, a grinding assembly, a fixed bracket, and a movement control assembly. A transmission mechanism is installed on the fixed bracket. The grinding assembly includes a transmission mechanism, a rotation mechanism, and a grinding head. The grinding tooling is arranged on the movement control assembly and is controlled by the movement control assembly to move. The grinding head is rotatably connected to the rotation mechanism and is installed on the rotation mechanism through a grinding head bracket. The transmission mechanism drives the grinding head to rotate to grind the workpiece. The rotation mechanism has a driving member and a connecting member. The connecting member connects the driving member and the grinding head bracket. By driving the connecting member to rotate through the driving member, the grinding head is driven to rotate at a predetermined angle, enabling the grinding head to perform multi-angle grinding. The above-mentioned belt grinding machine with a rotatable grinding head can make the grinding head rotate at a predetermined angle through the rotation mechanism, capable of machining a more flat and smooth surface on the workpiece surface; on the other hand, it can also grind products with cross textures, and products with angles can be ground by rotating the grinding head.

Description

Technical Field

[0001] The present invention relates to a belt grinding machine, and more particularly to a belt grinding machine with a rotatable grinding head. Background Art

[0002] A belt grinding machine mainly uses a fast - moving abrasive belt as a grinding tool for grinding and polishing, so as to improve the dimensional accuracy and surface finish of workpieces. Belt grinding can process workpieces of various shapes with high surface quality and precision requirements.

[0003] For the convenience of processing, existing belt grinding machines usually have a movement control structure, and the grinding position is adjusted by controlling the movement of the workpiece. However, the movement control of current belt grinding machines is often linear movement. The linear movement control results in linear textures on the grinding result of the workpiece, and it is difficult to grind a smooth and flat surface for the workpiece product. Summary of the Invention

[0004] In view of this, it is necessary to provide a belt grinding machine with a rotatable grinding head that can grind cross - textures by rotating the angle, and products with angles can be ground by rotating the grinding head by a predetermined angle.

[0005] A belt grinding machine with a rotatable grinding head includes a grinding tooling for mounting a workpiece, a grinding assembly, a fixed bracket, and a movement control assembly. The transmission mechanism is mounted on the fixed bracket. The grinding assembly includes a transmission mechanism, a rotating mechanism, and a grinding head. The grinding tooling is arranged on the movement control assembly and is controlled by the movement control assembly for movement. The grinding head is rotatably connected to the rotating mechanism. The grinding head is mounted on the rotating mechanism through a grinding head bracket. The rotating mechanism drives the grinding head to rotate to grind the workpiece. The rotating mechanism has a driving member and a connecting member. The connecting member connects the driving member and the grinding head. The driving member drives the connecting member to rotate to drive the grinding head to rotate by a predetermined angle, so that the grinding head can perform multi - angle grinding.

[0006] Further, the connecting member is a transmission shaft. The grinding head bracket is connected to the bottom end of the transmission shaft, and the driving member is connected to the top end of the transmission shaft.

[0007] Further, the rotating mechanism further includes a reducer, a connector, an adjusting nut, a gland, a spacer sleeve, and a bearing. The driving member is a motor. The motor and the reducer are installed together. The transmission shaft is connected to the reducer through the connector. The gland is placed at the position of the transmission shaft stage. The adjusting nut places the spacer sleeve and the bearing between the gland. The upper half of the connector is fixed at the end of the transmission shaft, and the motor, the reducer, and a reducer seat are installed together. The lower half of the connector is fixed on the reducer. The motor drives the transmission shaft to rotate.

[0008] Further, the grinding head has a grinding head shaft, the grinding head shaft is installed on the grinding head bracket, the grinding head bracket is connected to the transmission shaft, the grinding head bracket is driven to rotate by a rotating mechanism, the grinding head is connected to the transmission mechanism through a sand belt, the transmission mechanism has a driving wheel, and the grinding head is driven to rotate by the driving wheel to grind the workpiece, and the rotating mechanism drives the grinding head to rotate in the horizontal direction parallel to the surface of the grinding tooling.

[0009] Further, the transmission mechanism also has a driven wheel, the driving wheel and the driven wheel are connected by a sand belt, and the workpiece is ground through the sand belt.

[0010] Further, the transmission mechanism includes a grinding motor, the grinding motor drives the driving wheel to rotate to drive the driven wheel to rotate, the grinding motor is installed on a mounting plate, the mounting plate is installed on a sliding plate, and the sliding plate is slidably installed on a vertical plate.

[0011] Further, the movement control component includes a left - right movement member, the left - right movement member includes a left - right movement motor, a left - right movement guide rail and a left - right movement plate, and the left - right movement plate is installed on the left - right movement guide rail and is controlled by the left - right movement motor.

[0012] Further, the left - right movement motor is connected to the left - right movement plate, the left - right movement plate is installed on the left - right movement guide rail, the grinding tooling is installed on the left - right movement plate, and the left - right movement plate is controlled by the left - right movement motor to move left and right, thereby driving the grinding tooling to move left and right.

[0013] Further, the movement control component also includes a front - rear movement member, the front - rear movement member includes a front - rear movement motor, a front - rear movement guide rail and a front - rear movement plate, the front - rear movement plate is installed on the front - rear movement guide rail and is controlled by the front - rear movement motor, and the grinding tooling is installed on the front - rear movement plate.

[0014] Further, the front - rear movement motor is connected to the front - rear movement plate, the front - rear movement plate is installed on the front - rear movement guide rail, the left - right movement member is installed on the front - rear movement plate, and the front - rear movement plate is controlled by the front - rear movement motor to move back and forth, thereby driving the left - right movement member and the grinding tooling to move back and forth.

[0015] The above - mentioned belt grinding machine with a rotating grinding head is provided with a rotating mechanism, and the grinding head is rotated by a predetermined angle through the rotating mechanism to perform multi - angle grinding of the grinding head. On the one hand, by rotating the angle to grind the workpiece, the workpiece can form a smoother and flatter surface; on the other hand, it is also possible to rotate the grinding head left and right through the angle rotation to grind a product with cross - textured patterns. Further, by rotating the grinding head by a predetermined angle, a product with an angle can be ground. In this way, the multi - function grinding effect of the belt grinding machine is achieved. Description of the Drawings

[0016] Figure 1 It is a schematic three-dimensional structure diagram of a belt grinding machine with a rotating grinding head according to an embodiment of the present invention.

[0017] Figure 2 It is a schematic exploded three-dimensional structure diagram of a belt grinding machine with a rotating grinding head according to an embodiment of the present invention Specific embodiments

[0018] The present invention will be described in detail below in conjunction with specific embodiments and the accompanying drawings.

[0019] Please refer to Figure 1 , which shows a belt grinding machine 100 with a rotating grinding head provided by an embodiment of the present invention. It includes a grinding tooling 10 for mounting a workpiece, a grinding assembly, a fixed bracket 101, and a movement control assembly 40. The transmission mechanism 20 is mounted on the fixed bracket 101. The grinding assembly includes a transmission mechanism 20, a rotating mechanism 30, and a grinding head 11. The grinding tooling 10 is disposed on the movement control assembly 40 and is controlled by the movement control assembly 40 for movement. The grinding head 11 is rotatably connected to the rotating mechanism 30. The grinding head 11 is sleeved on the transmission mechanism 20. The transmission mechanism 20 drives the grinding head 11 to rotate to grind the workpiece. The rotating mechanism 30 has a driving member and a connecting member. The connecting member connects the driving member and the grinding head 11. By driving the connecting member to rotate by the driving member, the grinding head 11 is driven to rotate at a predetermined angle, so that the grinding head 11 performs multi-angle grinding.

[0020] Specifically, the fixed bracket 101 is mounted on a workpiece bench 102. The fixed bracket 101 includes a vertical plate 103. The transmission mechanism 20 includes a grinding motor 21. The grinding motor 21 drives a driving wheel 22 to rotate to drive a driven wheel 23 to rotate. The grinding motor 21 is mounted on a mounting plate 25. The mounting plate 25 is mounted on a sliding plate. The sliding plate is slidably mounted on the vertical plate 103. For this vertical movement control device, please refer to another patent application of the applicant.

[0021] As Figure 2 shown, the connecting member is a transmission shaft 31. The grinding head 11 is connected to the bottom end of the transmission shaft 31. Specifically, the grinding head 11 is connected to a grinding head bracket 12. The grinding head bracket 12 is connected to the bottom end of the transmission shaft 31. The driving member is connected to the top end of the transmission shaft 31. The grinding head 11 is connected to the bottom end of the transmission shaft 31 through the grinding head bracket 12. The driving member is connected to the top end of the transmission shaft 31. The driving member is a motor 32.

[0022] Further, the rotating mechanism 30 further includes a speed reducer 33, a connector 34, an adjusting nut 35, and a bearing 35. The motor is installed together with the speed reducer, and the transmission shaft 31 is connected to the speed reducer through the connector. Specifically, the rotating mechanism 30 further includes a speed reducer 33, a connector 34, an adjusting nut 35, a gland 38, a spacer sleeve 37, and a bearing 35. The driving member is a motor, the motor is installed together with the speed reducer 34, the transmission shaft 31 is connected to the speed reducer 33 through the connector 34, the gland 38 is placed at the position of the transmission shaft 31, the adjusting nut 35 places the spacer sleeve 37 and the bearing 35 between the gland 38, the upper half of the connector 34 is fixed at the end of the transmission shaft 31, the motor is installed together with the speed reducer 33 and the speed reducer seat 332, the lower half of the connector 34 is fixed on the speed reducer 33, and the transmission shaft 21 is rotated by the motor drive.

[0023] Further, the grinding head 11 has a grinding head shaft 112. The grinding head shaft 112 is installed on the grinding head bracket 12, and the grinding head bracket 12 is installed on a fixed bracket 13. The grinding head 11 is driven to rotate by the rotating mechanism 30. The grinding head 11 is connected to the transmission mechanism 20 through a sand belt 26. The transmission mechanism 20 has a driving wheel 22 and a driven wheel 23. The driving wheel 22 and the driven wheel 23 are connected by the sand belt 26. The driving wheel 22 drives the grinding head 11 to rotate, and the workpiece is ground through the sand belt 26. Specifically, the rotating mechanism 30 drives the grinding head 11 to rotate in the horizontal direction parallel to the surface of the grinding tooling 10.

[0024] In addition, the movement control component 40 includes a left - right movement member. The left - right movement member includes a left - right movement motor 41, a left - right movement guide rail 42, and a left - right movement plate 43. The left - right movement plate 43 is installed on the left - right movement guide rail 42 and is controlled by the left - right movement motor 41. Further, the left - right movement motor 41 is connected to the left - right movement plate 43. The left - right movement plate 43 is installed on the left - right movement guide rail 42. The grinding tooling 10 is installed on the left - right movement plate 43. The left - right movement plate 43 is controlled by the left - right movement motor 41 to move left and right, thereby driving the grinding tooling to move left and right.

[0025] Further, the movement control component 40 further includes a front - rear movement member. The front - rear movement member includes a front - rear movement motor 45, a front - rear movement guide rail 46, and a front - rear movement plate 47. The front - rear movement plate 47 is installed on the front - rear movement guide rail 46 and is controlled by the front - rear movement motor 45. The grinding tooling is installed on the front - rear movement plate 47.

[0026] Further, the forward and backward movement motor 45 is connected to the forward and backward movement plate 47. The forward and backward movement plate 47 is installed on the forward and backward movement guide rail 46. The left and right movement member is installed on the forward and backward movement plate 47. The forward and backward movement of the forward and backward movement plate 47 is controlled by the forward and backward movement motor 45, so as to drive the left and right movement member and the grinding tooling 10 to perform forward and backward movement.

[0027] The above-mentioned belt grinding machine with a rotating grinding head is provided with a rotating mechanism 30. The grinding head 11 is rotated by a predetermined angle through the rotating mechanism 30, so that the grinding head 11 performs multi-angle grinding. On the one hand, by rotating the angle to grind the workpiece, a smoother and flatter surface can be formed on the workpiece; on the other hand, the left and right rotatable grinding head 11 can also be rotated by an angle to grind a product with crossed textures. Further, a product with an angle can be ground by rotating the grinding head 11 by a predetermined angle. In this way, the multi-functional grinding effect of the belt grinding machine is achieved.

[0028] It should be noted that the present invention is not limited to the above-mentioned embodiments. According to the creative spirit of the present invention, those skilled in the art can also make other changes. These changes made based on the creative spirit of the present invention should all be included in the scope of protection required by the present invention.

Claims

1. A belt grinding machine with a rotatable grinding head, characterized in that, It includes a grinding tooling for placing a workpiece, a grinding assembly, a fixed bracket, and a movement control assembly. The grinding assembly includes a transmission mechanism, a rotating mechanism, and a grinding head. The transmission mechanism is installed on the fixed bracket. The grinding tooling is arranged on the movement control assembly and is controlled by the movement control assembly for movement. The grinding head is rotatably connected to the rotating mechanism. The grinding head is installed on the rotating mechanism through a grinding head bracket. The transmission mechanism drives the grinding head to rotate for grinding the workpiece. The rotating mechanism has a driving member and a connecting member. The connecting member connects the driving member and the grinding head bracket. By driving the connecting member to rotate through the driving member, the grinding head is driven to rotate at a predetermined angle, enabling the grinding head to perform multi-angle grinding. The connecting member is a transmission shaft. The grinding head bracket is connected to the bottom end of the transmission shaft. The driving member is connected to the top end of the transmission shaft. The grinding head has a grinding head shaft, and the grinding head shaft is installed on the grinding head bracket. The grinding head bracket is installed at the bottom end of the transmission shaft. By driving the grinding head bracket to rotate through the rotating mechanism, the grinding head is connected to the transmission mechanism through a sand belt. The transmission mechanism has a driving wheel, and the driving wheel drives the grinding head to rotate for grinding the workpiece. The rotating mechanism drives the grinding head to rotate in a horizontal direction parallel to the surface of the grinding tooling.

2. The abrasive belt grinding machine with a rotatable grinding head according to claim 1, characterized in that, The rotating mechanism further includes a reducer, a connector, an adjusting nut, a gland, a spacer sleeve, and a bearing. The driving member is a motor. The motor and the reducer are installed together. The transmission shaft is connected to the reducer through the connector. The gland is placed at the position of the transmission shaft level. The adjusting nut places the spacer sleeve and the bearing between the gland. The upper half of the connector is fixed at the end of the transmission shaft. The motor, the reducer, and a reducer seat are installed together. The lower half of the connector is fixed on the reducer. The transmission shaft is driven to rotate by the motor.

3. The abrasive belt grinding machine with a rotatable grinding head according to claim 1, characterized in that The transmission mechanism further has a driven wheel. The driving wheel and the driven wheel are connected by a sand belt, and the workpiece is ground through the sand belt.

4. The abrasive belt grinding machine with a rotatable grinding head according to claim 3, characterized in that, The transmission mechanism includes a grinding motor. The grinding motor drives the driving wheel to rotate to drive the driven wheel to rotate. The grinding motor is installed on a mounting plate, and the mounting plate is installed on a sliding plate. The sliding plate is slidably installed on a vertical plate.

5. The abrasive belt grinding machine with a rotatable grinding head according to claim 1, characterized in that, The movement control assembly includes a left-right movement member. The left-right movement member includes a left-right movement motor, a left-right movement guide rail, and a left-right movement plate. The left-right movement plate is installed on the left-right movement guide rail and is controlled by the left-right movement motor.

6. The abrasive belt grinding machine with a rotatable grinding head according to claim 5, characterized in that, The left-right movement motor is connected to the left-right movement plate. The left-right movement plate is installed on the left-right movement guide rail. The grinding tooling is installed on the left-right movement plate. The left-right movement plate is controlled by the left-right movement motor to move left and right, thereby driving the grinding tooling to move left and right.

7. The abrasive belt grinding machine with a rotatable grinding head according to claim 6, characterized in that, The movement control assembly further includes a front-back movement member. The front-back movement member includes a front-back movement motor, a front-back movement guide rail, and a front-back movement plate. The front-back movement plate is installed on the front-back movement guide rail and is controlled by the front-back movement motor. The grinding tooling is installed on the front-back movement plate.

8. The abrasive belt grinding machine with a rotatable grinding head according to claim 7, characterized in that, The front and rear moving motor is connected to the front and rear moving plate, the front and rear moving plate is installed on the front and rear moving guide rails, the left and right moving member is installed on the front and rear moving plate, and the front and rear moving plate is controlled by the front and rear moving motor to move forward and backward, so as to drive the left and right moving member and the grinding tooling to move forward and backward.

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