Adjustable arc hoe double-sided polishing device

Abstract

The present invention provides an adjustable arc-shaped hoe double-sided polishing device, including a workpiece positioning operation device and a grinding wheel operation device, the workpiece positioning operation device includes a plurality of workstations and a moving device for driving the plurality of workstations to move horizontally, the grinding wheel operation device includes a grinding wheel driving device and a grinding wheel swinging device, the grinding wheel driving device drives the grinding wheel to rotate, and the grinding wheel swinging device drives the grinding wheel to move back and forth to achieve polishing of the workpiece. The beneficial effects of the present invention are: the present invention adds a grinding wheel operating device, the device has adjustability, so that the products produced can be diversified, meet the needs of multiple arc surfaces and multiple sizes, and are more practical and flexible.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural tool processing, and more specifically to a double-sided polishing device for an adjustable arc-shaped hoe. Background Art

[0002] At present, there are many types of hoes on the market, but there is little research on hoe polishing devices. However, different occasions require different hoes. Therefore, in order to adapt to different hoe sizes and application requirements, an adjustable arc hoe double-sided polishing device is designed. Summary of the invention

[0003] The invention overcomes the shortcomings of the prior art and provides an adjustable arc-shaped hoe double-sided polishing device.

[0004] The purpose of the present invention is achieved through the following technical solutions.

[0005] An adjustable arc-shaped hoe double-sided polishing device includes a workpiece positioning operation device and a grinding wheel operation device. The workpiece positioning operation device includes a plurality of workstations and a moving device for driving the plurality of workstations to move horizontally. The grinding wheel operation device includes a grinding wheel driving device and a grinding wheel swinging device. The grinding wheel driving device drives the grinding wheel to rotate, and the grinding wheel swinging device drives the grinding wheel to move back and forth to achieve polishing of the workpiece.

[0006] Preferably, the work station includes a workpiece clamping device and a workpiece adjustment device, the workpiece clamping device is arranged above the workpiece adjustment device, the workpiece clamping device includes a workpiece support, a workpiece positioning head and a workpiece clamp, the workpiece clamp is arranged below the workpiece support, the workpiece clamp is connected to the clamping cylinder, and the workpiece positioning head is provided at the end of the workpiece support away from the workpiece grinding.

[0007] Preferably, any of the above schemes comprises an up and down fluctuating plate of a workstation, a mobile platform, a lifting cylinder and a front and rear adjustment device, wherein the up and down fluctuating plate of the workstation is arranged in parallel below the mobile platform, the lifting cylinder is connected to the bottom of the up and down fluctuating plate of the workstation, the workpiece clamping device is arranged above the mobile platform, and the front and rear adjustment device is connected to the bottom of the mobile platform.

[0008] Preferably, any of the above schemes comprises an adjusting screw, a handwheel, a first slider and a first guide rail, the first guide rail being arranged on the upper surface of the upper and lower fluctuating plates of the workstation, the first slider being arranged at the bottom of the mobile platform, the first slider being arranged in the first guide rail, the bottom of the mobile platform being also connected with the adjusting screw, and the adjusting screw is connected to the handwheel.

[0009] Preferably, any of the above schemes comprises a station moving cylinder and a second guide rail, the station frame is connected to the station moving cylinder, and the station frame is arranged on the second guide rail.

[0010] Preferably, any of the above schemes is that the grinding wheel swing device comprises a swing reduction motor, a swing device and a swing support plate, one end of the swing device is connected to the swing reduction motor, and the other end of the swing device is connected to the swing support plate.

[0011] Preferably, any of the above schemes comprises a swing device including a swing shaft, a swing arm, a connecting rod and a swing support plate connecting plate, the swing reduction motor is connected to the swing arm and the connecting rod in sequence, the connecting rod is connected to the swing shaft, the swing connecting plates are provided at both ends of the swing shaft, the swing shaft is connected to the swing support plate, the swing support plate is connected to the grinding wheel driving device through an adjusting device, and the swing device is used for polishing the concave surface of a hoe workpiece.

[0012] Preferably, any of the above schemes comprises a swing device, a swing arm, a connecting rod and a swing support plate, the swing reduction motor is connected to the swing arm and the connecting rod in sequence, the connecting rod is connected to the swing shaft, both ends of the swing shaft are fixedly connected to the frame, the connecting rod is connected to the bottom of the swing support plate, the swing support plate is connected to the grinding wheel drive device through an adjusting device, and the swing device is used for polishing the convex surface of a hoe workpiece.

[0013] Preferably, according to any of the above schemes, the adjusting device comprises a support shaft and a spring, wherein the support shaft is arranged above the swing support plate, and the spring is arranged on a side of the swing support plate away from the grinding wheel.

[0014] Preferably, any of the above schemes is that the grinding wheel driving device includes a grinding wheel motor and a grinding wheel height adjusting device, the grinding wheel is arranged at the bottom of the grinding wheel height adjusting device, the grinding wheel motor and the grinding wheel height adjusting device are both arranged on a cloth wheel motor fixing plate, the bottom of the cloth wheel motor fixing plate is connected to the support shaft and the spring, the grinding wheel motor is connected to the grinding wheel shaft through a transmission angle belt to drive the grinding wheel to rotate, and the grinding wheel is fixed by a cloth wheel shaft fixing plate.

[0015] Preferably, any of the above schemes is that a third guide rail is provided on the upper surface of the cloth wheel motor fixing plate, a second slider and a motor position adjustment screw are provided at the bottom of the grinding wheel motor, and the second slider is arranged in the third guide rail.

[0016] Preferably, any of the above schemes is that the grinding wheel height adjustment device includes a lifting screw, a first sliding block, a second sliding block, a telescopic rod, a lifting reduction motor and a top plate, the lifting reduction motor is connected to the lifting screw, the top of the lifting screw is fixed by the top plate, the bottom of the lifting screw is fixed to the cloth wheel shaft fixing plate, the cloth wheel motor fixing plate is fixedly connected to the first sliding block and the second sliding block respectively, the lifting screw is provided with the second sliding block, and the telescopic rod is provided with the first sliding block.

[0017] The beneficial effects of the present invention are:

[0018] The mobile device can adjust the length of the polishing area of ​​the product by using the hand wheel to drive the adjusting screw to rotate and move the mobile platform forward and backward according to the length of the polishing area of ​​the hoe.

[0019] According to the arc size of the hoe, the lifting and lowering reduction motor drives the lifting and lowering of the lifting screw and adjusts the upper limit of the lifting cylinder to complete the adjustment of the grinding wheel swing device, so that it can adapt to the polishing needs of arc surfaces of various sizes. At the same time, by adjusting the position of the pressure spring, the wear changes of the grinding wheel can be compensated in real time.

[0020] The present invention adds a grinding wheel operating device, which is adjustable and can complete the polishing of arc surfaces of various sizes, thereby meeting the production needs of hoes in a diversified manner. The products produced cover a wider range and are more practical and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic diagram of the structure of the present embodiment 1;

[0022] Figure 2 is a schematic diagram of the structure of the present embodiment 2;

[0023] In the figure:

[0024] 1. Workpiece support; 2. Workpiece positioning head; 3. Workpiece fixture; 4. Moving platform; 5. Workpiece clamping cylinder;

[0025] 6. Hand wheel; 7. Adjusting screw; 8. Up and down toggle plate at station 2; 9. Up and down toggle plate at station 1;

[0026] 10. Lifting cylinder; 11. Station fixing plate; 12-1. First guide rail; 12-2. Second guide rail;

[0027] 12-3, third guide rail; 13-1, first slider; 13-2, second slider; 14, station moving cylinder;

[0028] 15. Swing reduction motor; 16. Swing arm; 17. Swing shaft; 18. Connecting rod; 19. Spring;

[0029] 20. Motor position adjustment screw; 21. Lifting and lowering motor; 22. Cloth wheel motor fixing plate; 23. Swinging support plate;

[0030] 24. Grinding wheel shaft; 25. Grinding wheel; 26. Grinding wheel motor; 27. Support shaft; 28. Transmission angle belt;

[0031] 29. Swinging support plate connecting plate; 30. Lifting screw; 31. Cloth wheel shaft fixing plate; 32. First sliding block;

[0032] 33. Telescopic rod; 34. Top plate; 35. Second sliding block. DETAILED DESCRIPTION

[0033] The technical solution of the present invention is further described below through specific embodiments.

[0034] Example 1

[0035] like Figure 1 The device is an adjustable arc-shaped hoe double-sided polishing device, comprising a workpiece positioning operating device and a grinding wheel operating device, wherein the workpiece positioning operating device comprises a plurality of workstations and a moving device for driving the plurality of workstations to move horizontally, and the grinding wheel operating device comprises a grinding wheel driving device and a grinding wheel swinging device, wherein the grinding wheel driving device drives the grinding wheel 25 to rotate, and the grinding wheel swinging device drives the grinding wheel 25 to move back and forth to achieve polishing of the workpiece.

[0036] The work station frame includes a workpiece clamping device and a workpiece adjusting device, the workpiece clamping device is arranged above the workpiece adjusting device, the workpiece clamping device includes a workpiece support 1, a workpiece positioning head 2 and a workpiece clamp 3, the workpiece clamp 3 is arranged below the workpiece support 1, the workpiece clamp 3 is connected to the clamping cylinder, and the workpiece support is provided with a workpiece positioning head 2 at one end away from the workpiece grinding; when using a fixed hoe, a connection port for installing a handle is reserved on the hoe, and the workpiece positioning head 2 is fixedly connected to the connection port to achieve the fixation of the hoe workpiece to be polished;

[0037] The workpiece adjustment device includes an up and down toggle plate 8 at workstation No. 2, an up and down toggle plate 9 at workstation No. 1, two mobile platforms 4, two lifting cylinders 10 and a front and rear adjustment device. The up and down toggle plate 8 at workstation No. 2 and the up and down toggle plate 9 at workstation No. 1 are respectively arranged in parallel below the mobile platform 4. The two lifting cylinders 10 are respectively connected to the bottom of the up and down toggle plate 8 at workstation No. 2 and the up and down toggle plate 9 at workstation No. 1. The workpiece clamping device is arranged above the mobile platform 4, and the front and rear adjustment device is connected to the bottom of the mobile platform 4.

[0038] The front and rear adjustment device includes an adjustment screw 7, a hand wheel 6, a first slider 13-1 and a first guide rail 12-1. The first guide rail 12-1 is arranged on the upper surfaces of the upper and lower toggle plates 8 and 9 of the No. 1 station respectively. The first slider 13-1 is arranged at the bottom of the mobile platform 4. The first slider 13-1 is arranged in the first guide rail 12-1. The bottom of the mobile platform 4 is also connected with an adjustment screw 7, and the adjustment screw 7 is connected to the hand wheel 6.

[0039] The moving device includes a station moving cylinder 14 and a second guide rail 12-2. The station frame is connected to the station moving cylinder 14. The station frame is set on the second guide rail 12-2 through a station fixing plate 11. The bottom of the station fixing plate 11 has a slide bar adapted to the second guide rail 12-2.

[0040] The grinding wheel swing device comprises a swing reduction motor 15 , a swing device and a swing support plate 23 . One end of the swing device is connected to the swing reduction motor 15 , and the other end of the swing device is connected to the swing support plate 23 .

[0041] The swing device includes a swing shaft 17, a swing arm 16, a connecting rod 18, a swing support plate connecting plate 29 and a swing support plate 23. The swing reduction motor 15 is connected to the swing arm 16 and the connecting rod 18 in sequence. The connecting rod 18 is connected to the swing shaft 17. Swing connecting plates 29 are provided at both ends of the swing shaft 17. The swing shaft 17 is connected to the swing support plate 23. The swing support plate 23 is connected to the grinding wheel driving device through an adjusting device. At this time, the grinding wheel swing device is used for polishing the concave surface of the hoe workpiece. During specific operation, the grinding wheel motor 26 transmits power to the grinding wheel shaft 24 through the transmission angle belt 28, so that the grinding wheel shaft drives the grinding wheel 25 to rotate, and at the same time, the swing reduction motor 15 drives the swing shaft and the swing support plate connecting plate 29 to swing through the swing arm 16 and the connecting rod 18, and then the swing support plate 23 also swings, and then the support shaft 27 of the cloth wheel motor fixed plate 22 and the swing support plate 23 and the transmission rod of the pressure adjustment spring 19 transmit the swing force to the grinding wheel motor fixed plate, so that it drives the grinding wheel shaft 24 and the grinding wheel 25 to swing left and right in a concave arc with the center of the swing shaft 17 to the center of the grinding wheel shaft 24 as the radius. Polish the concave product fixed on the workpiece support 1.

[0042] The adjusting device comprises a support shaft 27 and a spring 19 . The support shaft 27 is arranged above the swing support plate 23 , and the spring 19 is arranged on a side of the swing support plate 23 away from the grinding wheel 25 .

[0043] The grinding wheel driving device includes a grinding wheel motor 26 and a grinding wheel height adjusting device. A grinding wheel 25 is arranged at the bottom of the grinding wheel height adjusting device. The grinding wheel motor 26 and the grinding wheel height adjusting device are both arranged on a cloth wheel motor fixing plate 22. The bottom of the cloth wheel motor fixing plate 22 is connected to a support shaft 27 and a spring 19. The grinding wheel motor 26 is connected to a grinding wheel shaft 24 through a transmission angle belt 28 to drive the grinding wheel 25 to rotate. The grinding wheel 25 is fixed on a cloth wheel shaft fixing plate 31.

[0044] The upper surface of the cloth wheel motor fixing plate 22 is provided with a third guide rail 12 - 3 , the grinding wheel motor 26 is mounted on the second slider 13 - 2 , and the second slider 13 - 2 is arranged in the third guide rail 12 - 3 .

[0045] A third guide rail 12-3 is disposed on the upper surface of the cloth wheel motor fixing plate 22, a second slider 13-2 and a motor position adjustment screw 20 are disposed at the bottom of the grinding wheel motor 26, and the second slider 13-2 is disposed in the third guide rail 12-3.

[0046] The grinding wheel height adjustment device includes a lifting screw 30, a first sliding block 32, a second sliding block 35, a telescopic rod 33, a lifting reduction motor 21 and a top plate 34. The lifting reduction motor 21 is connected to the lifting screw 30, the top of the lifting screw 30 is fixed by the top plate 34, the bottom of the lifting screw 30 is fixed to the cloth wheel shaft fixing plate 31, the cloth wheel motor fixing plate 22 is fixedly connected to the first sliding block 32 and the second sliding block 35 respectively, the lifting screw 30 is provided with a second sliding block 35, and the telescopic rod 33 is provided with a first sliding block 32.

[0047] During operation, the workpiece is placed on the workpiece support 1 according to the position of the workpiece positioning head 2, the workpiece clamping cylinder 5 is retracted, and at the same time, the workpiece fixture 3 is driven downward to press the workpiece, and the lifting cylinder 10 pushes the workpiece on the up and down toggle plate 9 of the No. 1 station to the lower edge of the grinding wheel 25, and the grinding wheel 25 is rotating at high speed. The swinging grinding wheel 25 polishes the workpiece according to the set time. At the same time, according to the set length of the product light area, the hand wheel 6 drives the mobile platform to adjust the lead screw 7 to rotate, so that the mobile platform 4 moves back and forth to complete the length of the product polishing area. After all the workpieces on the No. 1 station are completed according to the set content, the lifting cylinder 10 drives the workpiece to retract, and at the same time, the station moving cylinder 14 drives the station fixing plate 11 to move left to the workpiece on the up and down toggle plate 8 of the No. 2 station to align with the grinding wheel 25, and at the same time, the lifting cylinder 10 on the No. 2 station pushes the workpiece on the up and down toggle plate 8 of the No. 2 station to the lower edge of the grinding wheel 25, and the grinding wheel 25 is rotating at high speed. The swing grinding wheel 25 polishes the workpiece according to the set time, and at the same time, the hand wheel 6 drives the movable platform to adjust the lead screw 7 according to the set length of the polishing area, so that the movable platform 4 moves forward and backward to complete the length of the product polishing area. After all the workpieces on the No. 2 station are completed according to the set content, the lifting cylinder 10 drives the workpiece to retract, and at the same time, the station moving cylinder 14 drives the station fixing plate 11 to move rightward to align the workpiece on the up and down moving plate 9 of the No. 1 station with the grinding wheel 25. The lifting cylinder 10 pushes the workpiece on the up and down moving plate 9 of the No. 1 station to the lower edge of the grinding wheel 25 to start polishing. In this way, the station moving cylinder 14 drives the station fixing plate to move left and right to complete the polishing of the workpieces at the No. 1 and No. 2 stations.

[0048] Can be according to the arc size of hoe, drive the lifting and lowering of lifting screw 30 and adjust the upper limit of lifting cylinder 10 with lifting speed reduction motor 21 to complete. Meanwhile, the wear variation of grinding wheel 24 can be compensated in real time by adjusting the position of pressure spring 19.

[0049] According to the length of the polished area of ​​the hoe, the hand wheel 6 can be used to drive the mobile platform to adjust the lead screw 7 to rotate, so that the mobile platform 4 can be moved back and forth to adjust the length of the product polishing area.

[0050] Example 2

[0051] Different from Example 1, Figure 2 The grinding wheel swing device shown includes a swing reduction motor 15 , a swing device and a swing support plate 23 . One end of the swing device is connected to the swing reduction motor 15 , and the other end of the swing device is connected to the swing support plate 23 .

[0052] The swing device includes a swing shaft 17, a swing arm 16, a connecting rod 18, a swing support plate connecting plate 29 and a swing support plate 23. The swing reduction motor 15 is connected to the swing arm 16 and the connecting rod 18 in sequence. The connecting rod 18 is connected to the swing shaft 17. Swing connecting plates 29 are provided at both ends of the swing shaft 17. The swing shaft 17 is connected to the swing support plate 23. The swing support plate 23 is connected to the grinding wheel driving device through an adjusting device. At this time, the grinding wheel swing device is used for polishing the convex surface of the hoe workpiece.

[0053] During specific operation, the grinding wheel motor 26 transmits power to the grinding wheel shaft 24 through the transmission angle belt 28, so that the grinding wheel shaft 24 drives the grinding wheel 25 to rotate, and at the same time, the swing reduction motor 15 drives the swing arm 16 and the connecting rod 18 to rotate, and then the swing support plate 23 also swings, and then the support shaft 27 of the cloth wheel motor fixed plate 22 and the swing support plate 23 and the transmission rod of the pressure adjustment spring 19 transmit the swing force to the grinding wheel motor fixed plate, so that it drives the grinding wheel shaft 24 and the grinding wheel 25 to swing left and right in a concave arc with the center of the swing shaft 17 to the center of the grinding wheel shaft 24 as the radius, so as to polish the convex product fixed on the workpiece support 1.

[0054] The above two embodiments of the present invention are described in detail, but the contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of application of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An adjustable arc-shaped hoe double-sided polishing device, characterized in that: It comprises a workpiece positioning operation device and a grinding wheel operation device, wherein the workpiece positioning operation device comprises a plurality of workstations and a moving device for driving the plurality of workstations to move horizontally, and the grinding wheel operation device comprises a grinding wheel driving device and a grinding wheel swinging device, wherein the grinding wheel driving device drives the grinding wheel to rotate, and the grinding wheel swinging device drives the grinding wheel to move back and forth to achieve polishing of the workpiece; The work station frame includes a workpiece clamping device and a workpiece adjusting device, wherein the workpiece clamping device is arranged above the workpiece adjusting device, and the workpiece clamping device includes a workpiece support, a workpiece positioning head and a workpiece fixture, wherein the workpiece fixture is arranged below the workpiece support, the workpiece fixture is connected to a clamping cylinder, and the workpiece positioning head is arranged at one end of the workpiece support away from the workpiece grinding; The workpiece adjustment device comprises a workstation up and down fluctuation plate, a mobile platform, a lifting cylinder and a front and back adjustment device, wherein the workstation up and down fluctuation plate is arranged in parallel below the mobile platform, the lifting cylinder is connected to the bottom of the workstation up and down fluctuation plate, the workpiece clamping device is arranged above the mobile platform, and the front and back adjustment device is connected to the bottom of the mobile platform; The front-to-back adjustment device comprises an adjustment screw, a hand wheel, a first slider and a first guide rail, wherein the first guide rail is arranged on the upper surface of the upper and lower fluctuating plates of the workstation, the first slider is arranged at the bottom of the mobile platform, the first slider is arranged in the first guide rail, and the bottom of the mobile platform is also connected with the adjustment screw, and the adjustment screw is connected to the hand wheel; The grinding wheel swing device comprises a swing reduction motor, a swing device and a swing support plate, one end of the swing device is connected to the swing reduction motor, and the other end of the swing device is connected to the swing support plate; The swing device comprises a swing shaft, a swing arm, a connecting rod, a swing support plate connecting plate and the swing support plate, the swing reduction motor is connected to the swing arm and the connecting rod in sequence, the connecting rod is connected to the swing shaft, swing connecting plates are provided at both ends of the swing shaft, the swing shaft is connected to the swing support plate, and the swing support plate is connected to the grinding wheel driving device through an adjusting device; The adjusting device comprises a support shaft and a spring, wherein the support shaft is arranged above the swing support plate, and the spring is arranged on a side of the swing support plate away from the grinding wheel; The grinding wheel driving device comprises a grinding wheel motor and a grinding wheel height adjustment device, the grinding wheel is arranged at the bottom of the grinding wheel height adjustment device, the grinding wheel motor and the grinding wheel height adjustment device are arranged on a cloth wheel motor fixing plate, the bottom of the cloth wheel motor fixing plate is connected to the support shaft and the spring, the grinding wheel motor is connected to the grinding wheel shaft through a transmission angle belt to drive the grinding wheel to rotate, and the grinding wheel is fixed by a cloth wheel shaft fixing plate; A third guide rail is provided on the upper surface of the cloth wheel motor fixing plate, a second slider and a motor position adjustment screw are provided at the bottom of the grinding wheel motor, and the second slider is arranged in the third guide rail; The grinding wheel height adjustment device includes a lifting screw, a first sliding block, a second sliding block, a telescopic rod, a lifting reduction motor and a top plate. The lifting reduction motor is connected to the lifting screw, the top of the lifting screw is fixed by the top plate, the bottom of the lifting screw is fixed to the cloth wheel shaft fixing plate, the cloth wheel motor fixing plate is fixedly connected to the first sliding block and the second sliding block respectively, the lifting screw is provided with the second sliding block, and the telescopic rod is provided with the first sliding block.

2. The adjustable arc-shaped hoe double-sided polishing device according to any one of claim 1, characterized in that: The moving device comprises a station moving cylinder and a second guide rail, the station frame is connected to the station moving cylinder, and the station frame is arranged on the second guide rail.

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