CN219562560U - Automatic grinding, polishing and sharpening treatment equipment for farm tool surface - Google Patents

Abstract

The utility model discloses automatic grinding, polishing and sharpening treatment equipment for the surface of an agricultural implement, which belongs to the field of agricultural implement processing and comprises a polishing machine device, a floating supporting table device, a floating clamp device, a turntable device and a turnover conveying device, wherein the equipment adopts a split type structure; still include the PLC controller, burnishing machine device, floating saddle device, floating fixture device, carousel device and upset conveyor's drive arrangement all are connected with the PLC controller, and burnishing machine device includes back-and-forth movement subassembly, left-and-right movement subassembly, opens closure subassembly, polishing wheel subassembly, support frame and base. The automatic grinding and polishing and edging treatment equipment for the farm tool surface has the advantages of reducing the labor input cost, saving the consumable materials and improving the yield, and solves the problems that the existing common production mode is that the manual holding of the workpiece is ground and polished on a polishing grinder, the consistency of the product is poor, the labor intensity of workers is high, the production efficiency is low and the production safety is lower.

Description

Automatic grinding, polishing and sharpening treatment equipment for farm tool surface

Technical Field

The utility model belongs to the field of farm tool processing, and particularly relates to automatic grinding, polishing and sharpening treatment equipment for a farm tool surface.

Background

The method is a working procedure with large labor capacity and low automation degree in the surface polishing and sharpening treatment production of agricultural hoe, steel spade and iron pick workpieces.

At present, the common production mode is that a workpiece is manually held and polished on a polishing grinder, the consistency of products is poor, the labor intensity of workers is high, the production efficiency is low, and the production safety is low, so that the supporting seat for the automatic polishing and sharpening treatment equipment for the surface of the farm tool is provided to solve the problems.

Disclosure of Invention

Aiming at one or more of the defects or improvement demands of the prior art, the utility model provides automatic grinding, polishing and edging treatment equipment for the surface of an agricultural implement, which has the advantages of reducing the labor input cost, saving the material consumption and improving the yield.

In order to achieve the above purpose, the utility model provides an automatic grinding, polishing and sharpening treatment device for the surface of an agricultural implement, which comprises a polishing machine device, a floating supporting table device, a floating clamp device, a turntable device and a turnover conveying device;

the equipment adopts a split type structure; the polishing machine comprises a polishing device, a floating supporting table device, a floating clamp device, a turntable device and a turnover conveying device, and is characterized by further comprising a PLC (programmable logic controller), wherein driving components of the polishing device, the floating supporting table device, the floating clamp device, the turntable device and the turnover conveying device are all connected with the PLC;

the polishing machine device comprises a front-back moving assembly, a left-right moving assembly, an opening-closing assembly, a polishing wheel assembly, a supporting frame and a supporting seat.

As a further improvement of the utility model, the back-and-forth movement assembly comprises an oil cylinder, a back-and-forth movement plate, a first bearing and a first guide rail, wherein the first guide rail is arranged on the supporting seat, the first bearing is arranged on the back-and-forth movement plate and is in sliding fit with the first guide rail, one end of the oil cylinder is arranged with the supporting seat, and the other end of the oil cylinder is arranged with the back-and-forth movement plate.

As a further improvement of the present utility model, the left-right moving assembly includes a first driving motor mounted on the front-rear moving plate, an eccentric disc mounted on the first driving motor, an eccentric pull rod mounted on the eccentric disc, the other end mounted with the left-right moving plate, a left-right moving plate mounted on the left-right moving plate while being in sliding fit with the second guide rail, and a second guide rail mounted on the front-rear moving plate.

As a further improvement of the utility model, the opening and closing assembly comprises a first cylinder, a first rotating shaft and a pull rod, wherein the first cylinder is arranged on the outer peripheral surface of the supporting frame, the supporting frame is arranged on the upper end surface of the left and right moving plate, the first rotating shaft is arranged on the outer side of the supporting frame, and the pull rod is arranged on the first rotating shaft.

As a further improvement of the utility model, the polishing wheel assembly comprises a motor, a main shaft, a belt, a first mounting plate, a second rotating shaft and a polishing wheel, wherein the motor and the main shaft are respectively arranged at two ends of the first mounting plate, the belt is matched with the motor and the main shaft, the first mounting plate is arranged with the second rotating shaft and is simultaneously arranged with the pull rod, the second rotating shaft is arranged with the support frame, and the polishing wheel is arranged with the main shaft.

As a further improvement of the present utility model, the floating pallet device includes a frame, a second cylinder, a bracket, a third bearing, a third guide rail, a floating cylinder, a pallet and a weight iron, wherein the second cylinder is mounted on the frame, the other end is mounted with the bracket, the third guide rail is mounted on the frame, the third bearing is mounted on the bracket and the pallet respectively, and is in sliding fit with the third guide rail, the floating cylinder is mounted on the bracket, the other end is mounted under the pallet, and the weight iron is mounted on the pallet.

As a further improvement of the utility model, the floating clamp device comprises a clamping cylinder, a clamp opening, a second mounting plate, a first sliding block, a first sliding rail, a fourth bearing, a fourth guide rail, a support arm, a support plate, a second sliding block, a second sliding rail, a connecting rod, a first tension spring, a third sliding block, a third sliding rail and a second tension spring, wherein the clamping cylinder is mounted on the second mounting plate, the other end of the clamping cylinder is mounted with the clamp opening, the clamp opening is mounted on the first sliding block, the first sliding block is in sliding fit with the first sliding rail, the first sliding rail is mounted on the second mounting plate, the fourth bearing is mounted on the support arm, the fourth guide rail is mounted on the second mounting plate, and the support plate is mounted on the support arm; the second sliding block is in sliding fit with the second sliding rail, the second sliding rail is installed on the supporting plate, the connecting rod is installed on the second sliding block and the third sliding block, the first tension spring is installed on the third sliding block, the other end of the first tension spring is installed on the second mounting plate, the third sliding block is in sliding fit with the third sliding rail, the third sliding rail is installed on the supporting plate, and the second tension spring is installed on the two second sliding blocks on the second sliding rail.

As a further improvement of the utility model, the turntable device comprises a bearing seat, a speed reducer, a second driving motor and a disc, wherein the speed reducer is arranged on the bearing seat, the second driving motor is arranged on the input end of the speed reducer, and the disc is arranged on the output end of the speed reducer.

As a further improvement of the utility model, the turnover conveying device comprises a base, a third driving motor, an active synchronous wheel, a passive synchronous wheel, a synchronous belt, a fifth guide rail, a fifth bearing, a movable frame, a turnover cylinder, a third rotating shaft, a rotating frame and a second clamping cylinder, wherein the third driving motor is arranged on the base, the active synchronous wheel is arranged on the third driving motor, the passive synchronous wheel is arranged on the base, the synchronous belt is arranged on the active synchronous wheel and the passive synchronous wheel and is fixedly connected on the movable frame at the same time, the fifth guide rail is arranged on the base, the fifth bearing is arranged on the movable frame and is in sliding fit with the fifth guide rail, the turnover cylinder is arranged on the movable frame, the other end of the turnover cylinder is arranged on the third rotating shaft, the third rotating shaft is arranged on the movable frame, the rotating frame is arranged on the third rotating shaft, and the second clamping cylinder is arranged on the rotating frame.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

the automatic grinding, polishing and sharpening treatment equipment for the farm tool surface can continuously act in the process production, and can automatically finish the multi-position polishing treatment of the workpiece without manual assistance in the middle, so that the operation safety is improved, the labor input cost is reduced, the consumable is saved, and the yield is improved.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic diagram of the front view of the polishing machine according to the present utility model;

FIG. 4 is a schematic side view of the polishing machine of the present utility model;

FIG. 5 is a schematic diagram of the front view of the floating gantry apparatus of the present utility model;

FIG. 6 is a schematic side view of a floating pallet assembly of the present utility model;

FIG. 7 is a schematic diagram of the front view of the floating clamp device of the present utility model;

FIG. 8 is a schematic side view of a floating clamp device of the present utility model;

FIG. 9 is a schematic diagram of a front view of a turntable device according to the present utility model;

FIG. 10 is a schematic top view of a turntable assembly according to the present utility model;

FIG. 11 is a schematic diagram of the front view of the turnover conveyor of the present utility model;

fig. 12 is a schematic side view of the turnover conveyor of the present utility model.

Like reference numerals denote like technical features throughout the drawings, in particular: 1. a polishing machine device; 101. an oil cylinder; 102. a back and forth moving plate; 103. a first bearing; 104. a first guide rail; 105. a first driving motor; 106. an eccentric disc; 107. an eccentric pull rod; 108. a left-right moving plate; 109. a second bearing; 110. a second guide rail; 111. a first cylinder; 112. a first rotation shaft; 113. a pull rod; 114. a motor; 115. a main shaft; 116. a belt; 117. a first mounting plate; 118. a second rotation shaft; 119. a polishing wheel; 2. a floating pallet means; 201. a frame; 202. a second cylinder; 203. a bracket; 204. a third bearing; 205. a third guide rail; 206. a floating cylinder; 207. a support; 208. a weight iron; 3. a floating clamp device; 301. a first clamping cylinder; 302. a clip opening; 303. a second mounting plate; 304. a first slider; 305. a first slide rail; 306. a fourth bearing; 307. a fourth guide rail; 308. a support arm; 309. a support plate; 310. a second slider; 311. a second slide rail; 312. a connecting rod; 313. a first tension spring; 314. a third slider; 315. a third slide rail; 316. a second tension spring; 4. a turntable device; 401. a bearing seat; 402. a speed reducer; 403. a second driving motor; 404. a disc; 5. overturning and conveying device; 501. a base; 502. a third driving motor; 503. a driving synchronizing wheel; 504. a passive synchronizing wheel; 505. a synchronous belt; 506. a fifth guide rail; 507. a fifth bearing; 508. a moving rack; 509. a turnover cylinder; 510. a third rotation shaft; 511. a rotating frame; 512. a second clamping cylinder; 6. a back and forth movement assembly; 7. a left-right moving assembly; 8. opening the closure assembly; 9. a polishing wheel assembly; 10. a support frame; 11. a support base; 12. feeding the material; 13. discharging the material; 14. a workpiece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-2, an automatic farm tool surface grinding, polishing and sharpening treatment device comprises a 1 polishing machine device, a 2 floating supporting table device, a 3 floating clamp device, a 4 turntable device and a 5 overturning and conveying device;

the equipment adopts a split structure; the polishing machine comprises a rotary table device (4) and a turnover conveying device (5), and is characterized by further comprising a PLC controller, wherein driving components of the polishing machine device (1), the floating supporting table device (2), the floating clamp device (3), the rotary table device (4) and the turnover conveying device (5) are all connected with the PLC controller;

the polishing machine device 1 comprises a back-and-forth moving component 6, a left-and-right moving component 7, an opening and closing component 8, a polishing wheel component 9, a supporting frame 10 and a supporting seat 11.

In the embodiment, when the equipment works, a workpiece is manually placed at a 12 feeding position, a 3 floating clamp device is closed, a 4 turntable device rotates clockwise to drive a 14 workpiece to a 1 polishing machine device and then stops rotating, the 1 polishing machine device and a 2 floating support device work simultaneously to polish the workpiece, after a set time, the 4 turntable device continues to rotate clockwise to drive the 14 workpiece to a next 1 polishing machine device to polish, so that the workpiece is pushed to a 5 overturning and conveying device to be conveyed to a next 4 turntable by the work of the 5 overturning and conveying device, the workpiece is overturned once by the 5 overturning and conveying device in the conveying process, the 3 floating clamp device on the next 4 turntable is closed to clamp the workpiece, the next 4 turntable device rotates clockwise to polish the other surface of the workpiece, and the 3 floating clamp device opens the workpiece to naturally slide down after the 14 workpiece rotates to the 13 feeding position to complete a work cycle.

Specifically, referring to fig. 3-4, the back-and-forth movement assembly comprises a 101 oil cylinder, a 102 back-and-forth movement plate, a 103 first bearing and a 104 first guide rail, wherein the 104 first guide rail is arranged on an 11 support seat, the 103 first bearing is arranged on the 102 back-and-forth movement plate and is in sliding fit with the 104 first guide rail, one end of the 101 oil cylinder is arranged on the 11 support seat, and the other end of the 101 oil cylinder is arranged on the 102 back-and-forth movement plate.

More specifically, the left-right moving assembly comprises a 105 first driving motor, a 106 eccentric disc, a 107 eccentric pull rod, a 108 left-right moving plate, a 109 second bearing and a 110 second guide rail, wherein the 105 first driving motor is arranged on the 102 front-back moving plate, the 106 eccentric disc is arranged on the 105 first driving motor, the 107 eccentric pull rod is arranged on the 106 eccentric disc, the other end of the 107 eccentric pull rod is arranged on the 108 left-right moving plate, the 109 second bearing is arranged on the 108 left-right moving plate and is in sliding fit with the 110 second guide rail, and the 110 second guide rail is arranged on the 102 front-back moving plate.

More specifically, the opening and closing assembly comprises a first cylinder 111, a first rotating shaft 112 and a pull rod 113, wherein the first cylinder 111 is arranged on a 10 support frame, the 10 support frame is arranged on a 108 left and right moving plate, the first rotating shaft 112 is arranged on the 10 support frame, and the pull rod 113 is arranged on the first rotating shaft 112.

More specifically, the polishing wheel assembly comprises a 114 motor, a 115 spindle, a 116 belt, a 117 first mounting plate, a 118 second rotating shaft and 119 polishing wheels, wherein the 114 motor and the 115 spindle are respectively arranged at two ends of the 117 first mounting plate, the 116 belt is matched with the 114 motor and the 115 spindle, the 117 first mounting plate is arranged with the 118 second rotating shaft, and simultaneously is arranged with the 113 pull rod, the 118 second rotating shaft is arranged with the 10 support frame, and the 119 polishing wheels are arranged with the 115 spindle.

In this embodiment, the 101 cylinder works to drive the 102 back and forth moving plate to move, further drive the 9 polishing wheel component to move back and forth, the 105 first driving motor works to drive the 106 eccentric disc, the 107 eccentric pull rod works to drive the 108 left and right moving plate to move, further drive the 9 polishing wheel component to move left and right, so as to realize the polishing work of 119 polishing wheel pair 14 workpieces, and the 111 first cylinder works to drive the 113 pull rod to move up and down, so as to realize the opening and closing work of the 9 polishing wheel component, and further realize the polishing of 119 polishing wheel pair 14 workpieces.

In particular, referring to fig. 5-6, the floating pallet means comprises a 201 frame, a 202 second cylinder, a 203 bracket, a 204 third bearing, a 205 third rail, a 206 floating cylinder, a 207 pallet, and a 208 counterweight iron, the 202 second cylinder is mounted on the 201 frame, the other end is mounted with the 203 bracket, the 205 third rail is mounted on the 201 frame, the 204 third bearing is mounted on the 203 bracket and the 207 pallet respectively, and is in sliding fit with the 205 third rail, the 206 floating cylinder is mounted on the 203 bracket, the other end is mounted under the 207 pallet, and the 208 counterweight iron is mounted on the 207 pallet.

In the embodiment, the second cylinder 202 pushes 203 the bracket to lift to drive 206 the floating cylinder to move upwards, and then drive 207 the saddle to move upwards, the 206 floating cylinder works to realize 207 the saddle to float, and 208 counterweight irons are arranged on 207 the saddle to offset the gravity of 207 the saddle so as to enable 207 the saddle to float more sensitively and accelerate the reaction speed, 14 workpieces are arranged above 207 the saddle during equipment working, and the intervention of a floating saddle device during polishing of 14 workpieces by 119 polishing wheels can improve the polishing quality and consistency of products.

Referring to fig. 7-8, the floating clamp device includes a first clamping cylinder 301, a clamp opening 302, a second mounting plate 303, a slide block 304, a first slide rail 305, a fourth bearing 306, a fourth guide rail 307, a support arm 308, a support plate 309, a second slide block 310, a second slide rail 311, a connecting rod 312, a first tension spring 313, a third slide block 314, a third slide rail 315, a second tension spring 316, a first clamping cylinder 301 mounted on the second mounting plate 303, a clamp opening 302 mounted on the other end, a clamp opening 302 mounted on the slide block 304, a slide block 304 slidably engaged with the first slide rail 305, a first slide rail 305 mounted on the second mounting plate 303, a fourth bearing 306 mounted on the support arm 308, a fourth guide rail 307 mounted on the second mounting plate 303, and a support plate 309 mounted on the support arm 308; the second slide block 310 is in sliding fit with the second slide rail 311, the second slide rail 311 is arranged on the 309 support plate, the 312 connecting rod is arranged on the second slide block 310 and the third slide block 314, the first tension spring 313 is arranged on the third slide block 314, the other end of the first tension spring is arranged on the 303 second mounting plate, the third slide block 314 is in sliding fit with the third slide rail 315, the third slide rail 315 is arranged on the 309 support plate, and the second tension spring 316 is arranged on the two second slide blocks 310 on the second slide rail 311.

In this embodiment, the first clamping cylinder 301 works to drive the clamp opening 302 and the slide block 304 to do linear motion along the first slide rail 305, so as to realize the clamping action on the 14 workpiece, the second mounting plate 303 can move up and down through the fourth guide rail 307 and the fourth bearing 306, and the mechanism composed of the second slide block 310, the second slide rail 311, the connecting rod 312, the first tension spring 313, the third slide block 314, the third slide rail 315 and the second tension spring 316 can realize that the 14 workpiece can move up and down under the action of the gravity of the second mounting plate 303 and the parts mounted thereon under the action of the extremely small external force, and meanwhile, the equipment works together with the floating support device 2 to enable the 14 workpiece to be better attached to the 119 polishing wheel so as to achieve the polishing effect required by the workpiece.

Specifically, referring to fig. 9-10, the turntable device includes a 401 bearing seat, a 402 speed reducer, a 403 second driving motor, and a 404 disc, wherein the 402 speed reducer is installed on the 401 bearing seat, the 403 second driving motor is installed on the 402 speed reducer input end, the 404 disc is installed on the 402 speed reducer output end, and the 3 floating clamp device is installed on the 404 disc.

In this embodiment, the second driving motor 403 works to drive the speed reducer 402 to rotate to drive the disk 404 to rotate, and the 3 floating clamp device is installed on the disk 404 to further realize the rotary conveying of the 14 workpieces.

Specifically, referring to fig. 11-12, the overturning and conveying device includes 501 a base, 502 a third driving motor, 503 a driving synchronous wheel, 504 a driven synchronous wheel, 505 a synchronous belt, 506 a guide rail, 507 a fifth bearing, 508 a moving frame, 509 an overturning cylinder, 510 a third rotating shaft, 511 a rotating frame, 512 a second clamping cylinder, 502 the third driving motor is installed on 501 a base, 503 a driving synchronous wheel is installed on 502 the third driving motor, 504 a driven synchronous wheel is installed on 501 a base, 505 a synchronous belt is installed on 503 a driving synchronous wheel and 504 a driven synchronous wheel, and is fixedly connected on 508 a moving frame, 506 a guide rail is installed on 501 a base, 507 a fifth bearing is installed on 508 a moving frame, and is in sliding fit with 506 a guide rail, 509 an overturning cylinder is installed on 508 a moving frame, the other end is installed on 510 a third rotating shaft, 510 a third rotating shaft is installed on 508 a moving frame, 511 a rotating frame is installed on 510 a third rotating shaft, and 512 a second clamping cylinder is installed on 511 rotating frame.

In this embodiment, the third driving motor 502 works to drive 505 the synchronous belt to move and further drive 508 the moving rack to linearly move along 506 the guide rail, the 509 overturning cylinder works to push 510 the third rotating shaft to drive 511 the rotating frame to rotate, and the 512 second clamping cylinder works to clamp 14 workpieces, so that the 14 workpieces can be moved and overturned through the above actions, and further the 14 workpieces can be moved and overturned from the 3 floating clamp device on the 4 turntable device to the 3 floating clamp device on the other 4 turntable device.

According to the automatic grinding, polishing and edging treatment equipment for the farm tool surface, firstly, when the equipment works, a workpiece is manually placed at a 12 feeding position, a 3 floating clamp device is closed, a 4 turntable device rotates clockwise to drive a 14 workpiece to a 1 polishing machine device and then stops rotating, the 1 polishing machine device and a 2 floating support table device work simultaneously to polish the workpiece, the 4 turntable device continues to rotate clockwise to drive the 14 workpiece to a next 1 polishing machine device to polish after a set time, so that the 14 workpiece is pushed to the 5 turning and conveying device, the 5 turning and conveying device works to convey the workpiece to the next 4 turntable, the 5 turning and conveying device turns over the workpiece once in the conveying process, the 3 floating clamp device on the next 4 turntable is closed to clamp the workpiece, the next 4 turntable device rotates clockwise to polish the other surface of the workpiece, the 14 workpiece rotates to the 13 feeding position and then the 3 floating clamp device opens the workpiece to naturally finish one working cycle, and the PLC intelligent control system controls the machining process in real time, and the PLC intelligent control system can realize the optimal working effect through parameter setting on a touch screen, so that the manual work is replaced by the manual work is greatly improved, the labor input is greatly saved, and the product investment is greatly saved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The automatic grinding, polishing and sharpening treatment equipment for the surface of the farm tool is characterized by comprising a polishing machine device (1), a floating supporting table device (2), a floating clamp device (3), a turntable device (4) and a turnover conveying device (5);

the equipment adopts a split type structure; the polishing machine further comprises a PLC controller, and driving components of the polishing machine device (1), the floating supporting table device (2), the floating clamp device (3), the turntable device (4) and the overturning conveying device (5) are all connected with the PLC controller;

the polishing machine device (1) comprises a front-back moving assembly (6), a left-right moving assembly (7), an opening and closing assembly (8), a polishing wheel assembly (9), a supporting frame (10) and a supporting seat (11).

2. The farm tool surface automatic grinding, polishing and sharpening device according to claim 1, wherein the back and forth movement assembly (6) comprises an oil cylinder (101), a back and forth movement plate (102), a first bearing (103) and a first guide rail (104), the first guide rail (104) is mounted on the support base (11), the first bearing (103) is mounted on the back and forth movement plate (102) and is in sliding fit with the first guide rail (104), one end of the oil cylinder (101) is mounted with the support base (11) and the other end is mounted with the back and forth movement plate (102).

3. The farm tool surface automatic grinding, polishing and edging processing apparatus according to claim 1, characterized in that the left and right moving assembly (7) includes a first driving motor (105), an eccentric disc (106), an eccentric pull rod (107), a left and right moving plate (108), a second bearing (109) and a second guide rail (110), the first driving motor (105) is mounted on the front and rear moving plate (102), the eccentric disc (106) is mounted on the first driving motor (105), the eccentric pull rod (107) is mounted on the eccentric disc (106), the other end is mounted with the left and right moving plate (108), the second bearing (109) is mounted on the left and right moving plate (108) while being in sliding fit with the second guide rail (110), and the second guide rail (110) is mounted on the front and rear moving plate (102).

4. The automatic grinding, polishing and sharpening device for surfaces of agricultural implements according to claim 3, wherein the opening and closing assembly (8) comprises a first cylinder (111), a first rotating shaft (112) and a pull rod (113), the first cylinder (111) is mounted on the outer circumferential surface of the supporting frame (10), the supporting frame (10) is mounted on the upper end surface of the left and right moving plate (108), the first rotating shaft (112) is mounted on the outer side of the supporting frame (10), and the pull rod (113) is mounted on the first rotating shaft (112).

5. The automatic grinding, polishing and edging equipment for surfaces of farm tools according to claim 4, characterized in that the polishing wheel assembly (9) comprises a motor (114), a main shaft (115), a belt (116), a first mounting plate (117), a second rotating shaft (118) and polishing wheels (119), wherein the motor (114) and the main shaft (115) are respectively mounted at two ends of the first mounting plate (117), the belt (116) is mounted in cooperation with the motor (114) and the main shaft (115), the first mounting plate (117) is mounted with the second rotating shaft (118) and is mounted with the pull rod (113), the second rotating shaft (118) is mounted with the support frame (10), and the polishing wheels (119) are mounted with the main shaft (115).

6. The automatic grinding, polishing and edging equipment for farm tool surfaces according to claim 1, characterized in that the floating pallet means (2) comprises a frame (201), a second cylinder (202), a bracket (203), a third bearing (204), a third guide rail (205), a floating cylinder (206), a pallet (207) and a counterweight iron (208), the second cylinder (202) is mounted on the frame (201), the other end is mounted with the bracket (203), the third guide rail (205) is mounted on the frame (201), the third bearing (204) is mounted on the bracket (203) and the pallet (207) respectively, and is in sliding fit with the third guide rail (205), the floating cylinder (206) is mounted on the bracket (203), the other end is mounted under the pallet (207), and the counterweight iron (208) is mounted on the pallet (207).

7. The automatic grinding, polishing and edging equipment for farm tool surfaces according to claim 1, characterized in that the floating clamp device (3) comprises a first clamping cylinder (301), a clamp port (302), a second mounting plate (303), a first slider (304), a first sliding rail (305), a fourth bearing (306), a fourth guide rail (307), a support arm (308), a support plate (309), a second slider (310), a second sliding rail (311), a connecting rod (312), a first tension spring (313), a third slider (314), a third sliding rail (315) and a second tension spring (316), the first clamping cylinder (301) is mounted on the second mounting plate (303), the other end is mounted with the clamp port (302), the clamp port (302) is mounted on the first slider (304), the first slider (304) is in sliding fit with the first sliding rail (305), the first sliding rail (305) is mounted on the second mounting plate (303), the fourth bearing (306) is mounted on the support arm (308), and the fourth guide rail (307) is mounted on the second mounting plate (309); the second sliding block (310) is in sliding fit with the second sliding rail (311), the second sliding rail (311) is installed on the supporting plate (309), the connecting rod (312) is installed on the second sliding block (310) and the third sliding block (314), the first tension spring (313) is installed on the third sliding block (314), the other end is installed on the second mounting plate (303), the third sliding block (314) is in sliding fit with the third sliding rail (315), the third sliding rail (315) is installed on the supporting plate (309), and the second tension springs (316) are installed on the two second sliding blocks (310) on the second sliding rail (311).

8. The automatic grinding, polishing and sharpening device for the surface of the farm tool according to claim 1, wherein the turntable device (4) comprises a bearing seat (401), a speed reducer (402), a second driving motor (403) and a disc (404), the speed reducer (402) is installed on the bearing seat (401), the second driving motor (403) is installed on the input end of the speed reducer (402), and the disc (404) is installed on the output end of the speed reducer (402).

9. The automatic grinding, polishing and edging equipment for farm tool surfaces according to claim 1, characterized in that the turning and conveying device (5) comprises a base (501), a third driving motor (502), a driving synchronizing wheel (503), a driven synchronizing wheel (504), a synchronous belt (505), a fifth guide rail (506), a fifth bearing (507), a moving frame (508), a turning cylinder (509), a third rotating shaft (510), a rotating frame (511) and a second clamping cylinder (512), wherein the third driving motor (502) is mounted on the base (501), the driving synchronizing wheel (503) is mounted on the third driving motor (502), the driven synchronizing wheel (504) is mounted on the base (501), the synchronous belt (505) is mounted on the driving synchronizing wheel (503) and the driven synchronizing wheel (504) and is simultaneously fixedly connected on the moving frame (508), the fifth guide rail (506) is mounted on the base (501), the fifth bearing (507) is mounted on the moving frame (508) and the fifth guide rail (506) is simultaneously mounted on the moving frame (508), the third rotating shaft (510) is mounted on the other end of the rotating shaft (510), the rotating frame (511) is mounted on the third rotating shaft (510), and the second clamping cylinder (512) is mounted on the rotating frame (511).