Multi-station numerical control abrasive belt side face edge grinding machine

Abstract

The utility model discloses a multi-station numerical control abrasive belt side face edge grinding machine. The multi-station numerical control abrasive belt side face edge grinding machine comprises a base, an X-axis and Y-axis movement mechanism, an up-down reciprocating movement device, a grinding head support, an abrasive belt grinding machine head and a multi-station autorotation clamping module. The grinding head support is arranged on the base, and the abrasive belt grinding machine head is arranged on the grinding head support through the Z-axis sliding rail assembly. The abrasive belt polishing machine is reasonable in structural design, one abrasive belt polishing machine head is adopted to replace the traditional structural design of a plurality of polishing devices, that is, a plurality of stations share one abrasive belt polishing machine head, so that workpieces on each station are polished by adopting the abrasive belt in the same working state during working, the consistency of the polishing effect is effectively ensured, and the polishing efficiency is improved. A traditional synchronous control circuit is omitted, and operation and daily maintenance are easy; and meanwhile, the multi-station self-rotating clamping module is linked by adopting the same rotating motor to be matched with a synchronous belt, so that the self-rotating synchronism of the workpiece is effectively ensured, the consistency of the grinding effect is further improved, and the product quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of edge grinding machines, in particular to a multi-station numerical control abrasive belt side edge grinding machine. Background Art

[0002] The applicant applied for an invention patent named "Multi-station Numerical Control Side Polishing Machine" with the patent number "201810028217.1" on January 11, 2018. It discloses a multi-station numerical control side polishing machine, which includes a base, an X-axis movement mechanism, a Y-axis movement mechanism, a gantry, a lifting crossbeam, a lifting lead screw, an up-and-down reciprocating movement device, a lifting height adjustment device, a feed movement mechanism, a water basin, a workpiece clamping module, and multiple polishing devices; the polishing device is lifted to a predetermined position by the lifting height adjustment device, and then the up-and-down reciprocating movement device is used to drive the polishing device to quickly perform up-and-down reciprocating movement to achieve side polishing. However, it uses multiple polishing devices, and the feeding action and polishing action of each polishing device are independent of each other, and the polishing wheel states on each polishing device are also different, making it difficult to ensure the consistency of the grinding effects of each station. Therefore, it is necessary to optimize and improve on this basis to develop a side edge grinding device that can improve the consistency of grinding effects. Summary of the Utility Model

[0003] Aiming at the above deficiencies, the purpose of the present utility model is to provide a multi-station numerical control abrasive belt side edge grinding machine with a reasonable structural design and capable of improving the consistency of grinding effects.

[0004] To achieve the above purpose, the technical solution provided by the present utility model is:

[0005] A multi-station numerical control abrasive belt side edge grinding machine, which includes a base, an XY-axis movement mechanism, an up-and-down reciprocating movement device, a grinding head support, an abrasive belt grinding head, and a multi-station self-rotating clamping module. The grinding head support is arranged on the base, the abrasive belt grinding head is arranged on the grinding head support through a Z-axis slide rail assembly, the up-and-down reciprocating movement device is arranged on the grinding head support and can drive the abrasive belt grinding head to perform up-and-down reciprocating movement; the XY-axis movement mechanism is arranged on the base corresponding to the front position of the grinding head support, and the multi-station self-rotating clamping module is arranged on the XY-axis movement mechanism and is driven by it to perform reciprocating movement in the X and Y axis directions.

[0006] As a preferred embodiment of the present utility model, the abrasive belt grinding head includes a box seat, a main motor, a driving wheel, an adjusting wheel, a tension adjusting device, an abrasive belt, and a plurality of working wheels. The plurality of working wheels are arranged side by side at intervals on the box seat. An abrasive belt pressing wheel is provided between two adjacent working wheels. The adjusting wheel is arranged on one side of the box seat through the tension adjusting device. The driving wheel is located on the other side of the box seat. The main motor is arranged on the box seat and can drive the driving wheel to rotate. The abrasive belt passes around the driving wheel, the adjusting wheel, the working wheels, and the abrasive belt pressing wheel to form a closed loop.

[0007] As a preferred embodiment of the present utility model, the tension adjusting device includes a cylinder fixing seat, a tensioning cylinder, and a wheel frame. The cylinder body of the tensioning cylinder is fixed on the cylinder fixing seat. The wheel frame is arranged on the piston rod of the tensioning cylinder. The adjusting wheel is arranged on the wheel frame. The position of the adjusting wheel is adjusted by the telescopic movement of the cylinder, so as to change the tension of the abrasive belt.

[0008] As a preferred embodiment of the present utility model, the abrasive belt pressing wheel includes a wheel seat, a wheel shaft, and a plurality of deep groove ball bearings sleeved on the wheel shaft. The wheel shaft is arranged on the wheel seat. The abrasive belt is tightly wrapped around the working wheel by the pressing of the deep groove ball bearings, improving the running stability.

[0009] As a preferred embodiment of the present utility model, the number of the working wheels is consistent with the number of workstations, ensuring that each workstation has a corresponding working wheel for grinding.

[0010] As a preferred embodiment of the present utility model, the multi-station self-rotating clamping module includes a clamping seat, a height-adjusting rod, a cross frame, a downward pressing positioning device, a rotating platform, and a rotating motor. A plurality of rotating platforms are arranged side by side at intervals on the clamping seat. The rotating motor is arranged on the clamping seat and drives all the rotating platforms to rotate synchronously through a synchronous belt, realizing the self-rotation of the workpiece. The height-adjusting rod is vertically arranged on the clamping seat. The cross frame is arranged on the height-adjusting rod. The downward pressing positioning device is arranged on the cross frame corresponding to the position of the rotating platform. By controlling the position of the cross frame on the height-adjusting rod, the height position of the downward pressing positioning device is adjusted to ensure that the workpiece can be positioned on the rotating platform.

[0011] As a preferred embodiment of the present utility model, the downward pressing positioning device includes a positioning cylinder, a pressing seat, and a rotating seat. The pressing seat is arranged on the piston rod of the positioning cylinder. A bearing is provided on the pressing seat. The rotating seat is installed on the bearing of the pressing seat through a rotating shaft, enabling the rotating seat to rotate while positioning the workpiece.

[0012] As a preferred embodiment of the present utility model, the number of the rotating platforms is consistent with the number of workstations, ensuring that each workstation has a rotating platform for workpiece clamping and rotation.

[0013] As a preferred embodiment of the present utility model, the up-and-down reciprocating motion device includes an up-and-down motor, an eccentric wheel, an eccentric seat, a sliding seat, an eccentric shaft, an adjusting screw, an adjusting lead screw, an upper adjusting nut, and a lower adjusting nut. The eccentric wheel is arranged on the driving shaft of the up-and-down motor. The eccentric wheel is provided with a radial sliding groove. The sliding seat is arranged in the radial sliding groove through the adjusting screw. Rotating the adjusting screw drives the sliding seat to slide in the radial sliding groove. One end of the eccentric shaft is arranged on the sliding seat, and the other end is rotatably arranged on the eccentric seat. The eccentric seat is provided with a through hole for the adjusting lead screw to pass through. The adjusting lead screw sequentially passes through the upper adjusting nut, the through hole, and the lower adjusting nut, and the lower end is connected to the sand belt grinding head.

[0014] The beneficial effects of the present utility model are as follows: The structure of the present utility model is reasonably designed. It uses one sand belt grinding head to replace the traditional structure design of multiple polishing devices, that is, multiple workstations share one sand belt grinding head. Therefore, when working, the workpieces on each workstation are all ground with the sand belt in the same working state, effectively ensuring the consistency of the grinding effect. Moreover, the traditional synchronous control circuit is omitted, making it easy to operate and maintain daily. At the same time, the multi-station self-rotating clamping module also uses the same rotating motor and synchronous belt for linkage, effectively ensuring the synchronism of the workpiece self-rotation, further improving the consistency of the grinding effect, and ensuring the product quality.

[0015] The following further illustrates the present utility model in conjunction with the drawings and embodiments. Description of the Drawings

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2 It is a structural schematic diagram of the grinding head support and the sand belt grinding head in the present utility model.

[0018] Figure 3 It is a structural schematic diagram of the sand belt grinding head in the present utility model.

[0019] Figure 4 It is a structural schematic diagram of the tensioning and adjusting device in the present utility model.

[0020] Figure 5 It is a structural schematic diagram of the sand belt pressing wheel in the present utility model.

[0021] Figure 6 It is a structural schematic diagram of the multi-station self-rotating clamping module in the present utility model.

[0022] Figure 7 It is a structural schematic diagram of the lower pressing and positioning device in the present utility model. Detailed Embodiments

[0023] Embodiment, see Figures 1 to 7 , a multi-station numerically controlled abrasive belt side grinding machine provided in this embodiment includes a base 1, an XY-axis movement mechanism 2, an up-and-down reciprocating movement device 3, a grinding head support 4, an abrasive belt grinding head 5, and a multi-station self-rotating clamping module 6. In this embodiment, a five-station structure is used for illustration. In other embodiments, it can also be three stations, four stations, six stations, or more stations. For this reason, the numbers of the working wheels, the rotating platform, and the downward pressing positioning device are all the same.

[0024] The grinding head support 4 is vertically arranged on the base 1 through screws, and the abrasive belt grinding head 5 is arranged on the grinding head support 4 through a Z-axis slide rail assembly 7. Specifically, the Z-axis slide rail assembly 7 includes a Z-axis slide rail and a Z-axis slider adapted thereto, and the two Z-axis slide rails are symmetrically arranged on both sides of the grinding head support 4.

[0025] The abrasive belt grinding head 5 includes a box seat 51, a main motor 52, a driving wheel 53, an adjusting wheel 54, a tension adjusting device 55, an abrasive belt 56, and a plurality of working wheels 57. The box seat 51 is movably arranged on the two Z-axis slide rails through Z-axis sliders. A plurality of working wheels 57 are arranged side by side at intervals on the box seat 51. An abrasive belt pressing wheel 58 is arranged between two adjacent working wheels 57. Specifically, the abrasive belt pressing wheel 58 includes a wheel seat 581, a wheel shaft 582, and a plurality of deep groove ball bearings 583 sleeved on the wheel shaft 582, and the wheel shaft 582 is arranged on the wheel seat 581. The abrasive belt 56 is tightly wrapped around the working wheel 57 by the pressing of the deep groove ball bearings 583, improving the running stability.

[0026] The adjusting wheel 54 is arranged on one side of the box seat 51 through the tension adjusting device 55. Specifically, the tension adjusting device 55 includes a cylinder fixing seat 551, a tension cylinder 552, and a wheel frame 553. The cylinder body of the tension cylinder 552 is fixed on the cylinder fixing seat 551, the wheel frame 553 is arranged on the piston rod of the tension cylinder 552, and the adjusting wheel 54 is arranged on the wheel frame 553. The position of the adjusting wheel 54 is adjusted by the telescopic movement of the cylinder, thereby changing the tension of the abrasive belt.

[0027] The driving wheel 53 is fixed on the other side of the box seat 51, the main motor 52 is arranged on the box seat 51 and can drive the driving wheel 53 to rotate, and the abrasive belt 56 bypasses the driving wheel 53, the adjusting wheel 54, the working wheel 57, and the abrasive belt pressing wheel 58 to form a closed loop.

[0028] The up-and-down reciprocating motion device 3 is arranged on the grinding head support 4 and can drive the abrasive belt grinding head 5 to perform up-and-down reciprocating motion. Specifically, the up-and-down reciprocating motion device 3 includes an up-and-down motor 31, an eccentric wheel 32, an eccentric seat 33, a sliding seat, an eccentric shaft 34, an adjusting screw 35, an adjusting lead screw 36, an upper adjusting nut 37 and a lower adjusting nut 38. The eccentric wheel 32 is arranged on the drive shaft of the up-and-down motor 31. The eccentric wheel 32 is provided with a radial chute. The sliding seat is arranged in the radial chute through the adjusting screw 35. Rotating the adjusting screw 35 drives the sliding seat to slide in the radial chute. One end of the eccentric shaft 34 is arranged on the sliding seat, and the other end is rotatably arranged on the eccentric seat 33. The eccentric seat 33 is provided with a through hole for the adjusting lead screw 36 to pass through. The adjusting lead screw 36 sequentially passes through the upper adjusting nut 37, the through hole and the lower adjusting nut 38, and the lower end is connected to the abrasive belt grinding head 5 through a rod end spherical bearing. When it is necessary to adjust the amplitude of the up-and-down reciprocating swing of the abrasive belt grinding head 5, the position of the sliding seat in the radial chute can be adjusted by turning the adjusting screw 35 to adjust the eccentric position of the sliding seat on the eccentric seat 33, so as to realize the adjustment of the amplitude of the up-and-down reciprocating swing of the abrasive belt grinding head 5. At the same time, the working length of the adjusting lead screw 36 can also be adjusted by turning the upper and lower adjusting nuts 38, and the amplitude of the up-and-down reciprocating swing of the abrasive belt grinding head 5 can also be realized. It has a double-adjustment structure and high flexibility.

[0029] The XY-axis motion mechanism 2 is arranged on the base 1 corresponding to the front position of the grinding head support 4. The multi-station self-rotating clamping module 6 is arranged on the XY-axis motion mechanism 2 and is driven by it to perform reciprocating motion in the X and Y axis directions. Specifically, the multi-station self-rotating clamping module 6 includes a clamping seat 61, a height-adjusting rod 62, a cross frame 63, a downward pressing positioning device 64, a rotating platform 65 and a rotating motor 66. A plurality of rotating platforms 65 are arranged side by side at intervals on the clamping seat 61, and the positions are aligned with the positions of the working wheels 57. The rotating motor 66 is arranged on the clamping seat 61 and drives all the rotating platforms 65 to perform synchronous rotation actions through a synchronous belt to realize the self-rotation of the workpiece. The height-adjusting rod 62 is vertically arranged on the clamping seat 61. The height-adjusting rod 62 has height-adjusting threads. The cross frame 63 is arranged on the height-adjusting rod 62 through an adjusting nut. The height of the cross frame 63 can be adjusted by turning the adjusting nut. The downward pressing positioning device 64 is arranged on the cross frame 63 corresponding to the position of the rotating platform 65. The downward pressing positioning device 64 includes a positioning cylinder 641, a pressing seat 642 and a rotating seat 643. The pressing seat 642 is arranged on the piston rod of the positioning cylinder 641. The pressing seat 642 is provided with a bearing 644. The rotating seat 643 is installed on the bearing 644 of the pressing seat 642 through a rotating shaft 645, so that the rotating seat 643 can perform self-rotation while positioning the workpiece.

[0030] During operation, since a sanding head 5 is used to replace the traditional structure design of multiple polishing devices, that is, multiple workstations share one sanding head 5. Therefore, during operation, the workpieces at each workstation are polished with the sand belt in the same working state, effectively ensuring the consistency of the polishing effect. Moreover, the traditional synchronous control circuit is omitted, making it easy to operate and maintain daily. At the same time, the multi-station self-rotating clamping module 6 also uses the same rotating motor 66 and is linked with a synchronous belt, effectively ensuring the synchronism of the workpiece self-rotation, further improving the consistency of the polishing effect and ensuring the product quality.

[0031] According to the disclosure and teachings of the above specification, those skilled in the art of the present invention can also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention. Other edge grinders using the same or similar ones are within the protection scope of the present invention.

Claims

1. A multi-station numerically controlled abrasive belt side edge grinding machine, which comprises a base, an XY-axis motion mechanism and an up-and-down reciprocating motion device, characterized in that, It further includes a grinding head support, a belt sander head, and a multi-station self-rotating clamping module. The grinding head support is arranged on the base. The belt sander head is arranged on the grinding head support through a Z-axis slide rail assembly. The up-and-down reciprocating motion device is arranged on the grinding head support and can drive the belt sander head to perform up-and-down reciprocating motion. The XY-axis motion mechanism is arranged on the base corresponding to the front position of the grinding head support. The multi-station self-rotating clamping module is arranged on the XY-axis motion mechanism and is driven by it to perform reciprocating motion in the X and Y axis directions.

2. The multi-station numerical control abrasive belt side edge grinding machine according to claim 1, characterized in that: The belt sander head includes a box seat, a main motor, a driving wheel, an adjusting wheel, a tension adjusting device, a sand belt, and a number of working wheels. The number of working wheels is arranged side by side at intervals on the box seat. A sand belt pressing wheel is arranged between two adjacent working wheels. The adjusting wheel is arranged on one side of the box seat through the tension adjusting device. The driving wheel is located on the other side of the box seat. The main motor is arranged on the box seat and can drive the driving wheel to rotate. The sand belt passes around the driving wheel, the adjusting wheel, the working wheels, and the sand belt pressing wheel.

3. The multi-station numerically controlled abrasive belt side edge grinding machine according to claim 2, wherein: The tension adjusting device includes a cylinder fixing seat, a tensioning cylinder, and a wheel frame. The cylinder body of the tensioning cylinder is fixed on the cylinder fixing seat. The wheel frame is arranged on the piston rod of the tensioning cylinder. The adjusting wheel is arranged on the wheel frame.

4. The multi-station numerical control abrasive belt side edging machine according to claim 2, characterized in that: The sand belt pressing wheel includes a wheel seat, a wheel shaft, and a number of deep groove ball bearings sleeved on the wheel shaft. The wheel shaft is arranged on the wheel seat.

5. The multi-station numerical control abrasive belt side edge grinding machine according to any one of claims 2-4, characterized in that: The number of the working wheels is consistent with the number of workstations.

6. The multi-station numerical control abrasive belt side edge grinding machine according to claim 1, wherein: The multi-station self-rotating clamping module includes a clamping seat, a height adjusting rod, a cross frame, a downward pressing positioning device, a rotating platform, and a rotating motor. A number of rotating platforms are arranged side by side at intervals on the clamping seat. The rotating motor is arranged on the clamping seat and drives all the rotating platforms to perform synchronous rotation through a synchronous belt. The height adjusting rod is vertically arranged on the clamping seat. The cross frame is arranged on the height adjusting rod. The downward pressing positioning device is arranged on the cross frame corresponding to the position of the rotating platform.

7. The multi-station numerical control abrasive belt side edge grinding machine according to claim 6, characterized in that: The downward pressing positioning device includes a positioning cylinder, a pressing seat, and a rotating seat. The pressing seat is arranged on the piston rod of the positioning cylinder. A bearing is arranged on the pressing seat. The rotating seat is installed on the bearing of the pressing seat through a rotating shaft.

8. The multi-station numerically controlled abrasive belt side edge grinding machine according to claim 6 or 7, characterized in that: The number of the rotating platforms is consistent with the number of workstations.

9. The multi-station numerically controlled abrasive belt side edge grinding machine according to claim 1, wherein: The up-and-down reciprocating motion device includes an up-and-down motor, an eccentric wheel, an eccentric seat, a sliding seat, an eccentric shaft, an adjusting screw, an adjusting lead screw, an upper adjusting nut, and a lower adjusting nut. The eccentric wheel is arranged on the driving shaft of the up-and-down motor. A radial sliding groove is arranged on the eccentric wheel. The sliding seat is arranged in the radial sliding groove through the adjusting screw. Rotating the adjusting screw drives the sliding seat to slide in the radial sliding groove. One end of the eccentric shaft is arranged on the sliding seat, and the other end is rotatably arranged on the eccentric seat. A through hole for the adjusting lead screw to pass through is arranged on the eccentric seat. The adjusting lead screw passes through the upper adjusting nut, the through hole, and the lower adjusting nut in sequence, and the lower end is connected to the belt sander head.

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