CN212265495U - Two-sided burnishing device of panel beating - Google Patents

Abstract

The utility model discloses a two-sided burnishing device of panel beating relates to panel beating polishing technical field, need the operation workman to polish the panel beating turn-over when solving current panel beating and carrying out two-sided polishing to waste time and energy's problem. The fixed supporting seat that is provided with in top of base, and the supporting seat is provided with threely, the fixed fixing base that is provided with in top of three supporting seat, the fixed case that is provided with in both sides of fixing base top, the fixed mounting bracket that is provided with in fixed case top of fixing base top one side, the top fixed mounting of mounting bracket has servo motor, and servo motor's output extends to the below of mounting bracket, the below of servo motor output is provided with the dwang, and the one end of dwang extends to the inside of fixed case, the one end of dwang passes through the bearing rotation with the inner wall of fixed case and is connected, the fixed initiative bevel gear that is provided with on the outer wall of dwang, and the initiative bevel gear.

Description

Two-sided burnishing device of panel beating

Technical Field

The utility model relates to a panel beating polishing technical field specifically is a two-sided burnishing device of panel beating.

Background

The sheet metal is a comprehensive cold processing technology which is generally below 6mm for a metal sheet and comprises shearing, punching, cutting, compounding, folding, riveting, splicing, forming and the like, and when the sheet metal is processed, because the two surfaces of the sheet metal are required to have certain brightness and smoothness according to the working requirement, the two surfaces of the sheet metal are required to be polished.

When the existing metal plate is subjected to double-sided polishing, an operator is required to turn over the metal plate for polishing, so that time and labor are wasted; therefore, the existing requirements are not met, and a sheet metal double-side polishing device is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided burnishing device of panel beating to need the operation workman to polish the panel beating turn-over when the current panel beating that provides carries out two-sided polishing in solving above-mentioned background art, thereby the problem that wastes time and energy.

In order to achieve the above object, the utility model provides a following technical scheme: a sheet metal double-side polishing device comprises a base, wherein three supporting seats are fixedly arranged above the base, a fixed seat is fixedly arranged above the three supporting seats, fixed boxes are fixedly arranged on two sides above the fixed seat, a mounting frame is fixedly arranged above the fixed box on one side above the fixed seat, a servo motor is fixedly arranged above the mounting frame, the output end of the servo motor extends to the lower part of the mounting frame, a rotating rod is arranged below the output end of the servo motor, one end of the rotating rod extends to the inside of the fixed box, one end of the rotating rod is rotatably connected with the inner wall of the fixed box through a bearing, two driving bevel gears are fixedly arranged on the outer wall of the rotating rod, the two driving bevel gears are mutually vertically symmetrical, and a fixed plate is fixedly arranged above the fixed box, two fixing plates are arranged, a first screw rod is arranged between the two fixing plates, two ends of the first screw rod are respectively connected with the fixing box in a rotating manner through bearings, one end of the first screw rod extends into the fixing box, a first bevel gear is fixedly arranged at one end of the first screw rod, the first bevel gear is meshed and connected with the driving bevel gear above the outer wall of the rotating rod, two limiting plates are arranged below the fixing plates, two ends of the two limiting plates are respectively fixedly connected with the fixing box, a second screw rod is arranged between the limiting plates, two ends of the second screw rod are respectively connected with the fixing box in a rotating manner through bearings, one end of the second screw rod extends into the fixing box, a second bevel gear is fixedly arranged at one end of the second screw rod, and the second bevel gear is meshed and connected with the driving bevel gear below the outer wall of the rotating rod, the outer wall of the first screw is in threaded connection with a first moving seat, the outer wall of the second screw is in threaded connection with a second moving seat, the front end face and the rear end face of the first moving seat and the second moving seat are respectively attached to and slidably connected with the inner walls of the fixed plate and the limiting plate, one opposite sides of the first moving seat and the second moving seat are fixedly provided with two positioning plates, a moving frame is slidably connected between the two positioning plates, the inner wall of the moving frame is fixedly provided with a polishing motor, the output end of the polishing motor is fixedly provided with a polishing wheel, two sides inside the fixed seat are respectively provided with four positioning grooves, the four positioning grooves are respectively positioned at the front end and the rear end of the limiting plate, the positioning seats are slidably connected above the positioning grooves, and the movable blocks are fixedly arranged below the positioning seats, the movable block is positioned inside the positioning groove, the outer wall of the movable block is connected with the inner wall of the positioning groove in a sliding manner, an elastic screw rod is inserted into the positioning seat, one end of the elastic screw rod extends to the lower part of the positioning groove through the movable block, an elastic nut is connected to the outer wall of the elastic screw rod in a threaded manner and is positioned below the positioning groove, the positioning seat is fixedly connected with the fixed seat through the elastic screw rod and the elastic nut, a bearing seat is fixedly arranged on one side above the positioning seat, a feeding seat is fixedly arranged above the bearing seat, a feeding groove is formed in the feeding seat, a positioning screw rod is connected to the inner portion of the feeding seat in a threaded manner, one end of the positioning screw rod extends to the inner part of the feeding groove, the other end of the positioning screw rod extends to the upper part of the feeding seat, a feeding plate is arranged at one end of the positioning screw rod, and, the feed plate is located inside the feed chute.

Preferably, a limiting groove is formed in the positioning plate, fixing grooves are formed in the two sides of the moving frame, fixing screws are inserted into the limiting groove and the fixing grooves in a plugging mode, fixing nuts are connected to the upper portion of the outer wall of each fixing screw in a threaded mode, and the moving frame is fixedly connected with the positioning plate through the fixing screws and the fixing nuts.

Preferably, one side of the first movable seat and one side of the second movable seat are both provided with a positioning block, one side of the positioning block is fixedly provided with a limit screw, one end of the limit screw is respectively in threaded connection with the first movable seat and the second movable seat, the outer wall of the limit screw is in threaded connection with a limit nut, supporting blocks are fixedly arranged above and below one side of the fixed box, and the outer wall of each supporting block is fixedly provided with an infrared inductor.

Preferably, the outer walls of the two ends of the first screw and the second screw are both fixedly provided with limiting rings.

Preferably, the outer wall of the positioning screw is in threaded connection with a threaded cap, and the threaded cap is positioned above the feeding seat.

Preferably, one end of the positioning screw rod above the feeding seat is fixedly provided with a rotating handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model carries out double-sided polishing to the metal plate through the upper and lower polishing wheels through the arrangement of the servo motor, the first moving seat, the second moving seat, the polishing motor, the polishing wheel, the first screw rod and the second screw rod, thereby the metal plate needs to be turned over for polishing when double-sided polishing is not needed, so that the double-sided polishing work is simpler and easier, when the metal plate carries out double-sided polishing, the servo motor can drive the first screw rod and the second screw rod to rotate, the first moving seat and the second moving seat can horizontally move through screw thread transmission, the polishing of the metal plate is more comprehensive, the staff is easier, the metal plate with large area is not needed to be polished by the staff moving the polishing wheel, the labor intensity of the staff is reduced, and the first moving seat and the second moving seat can reciprocate through the arrangement of the infrared inductor, therefore, the metal plate is polished back and forth, and the polishing work is comprehensive and easy.

2. Through setting up constant head tank and feeding seat, can adjust the distance between the feeding seat of fixing base top both sides according to panel beating panel's width, when pegging graft panel beating panel in the feed chute for the inner wall of feed chute can fix a position the both ends of panel beating panel, thereby makes the suitability of device higher, can be applicable to the panel beating panel of more sizes.

3. Because the polishing wheel can be abraded after being polished, the thickness of the polishing wheel can be reduced, the first movable seat and the second movable seat are connected with the positioning plate in a sliding mode, the polishing motor is fixedly connected with the movable seat, the first movable seat and the second movable seat can move in opposite directions, the polishing wheel on the first movable seat and the second movable seat is attached to the upper end face and the lower end face of a sheet metal plate respectively, and the distance between the two polishing wheels can be adjusted according to the abrasion degree of the polishing wheel

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic top view of the polishing wheel of the present invention in a positional relationship with the feed block;

FIG. 5 is a schematic side view of the movable frame of the present invention;

FIG. 6 is a schematic side view of the positioning plate of the present invention;

FIG. 7 is a schematic view of the positioning block and the limiting screw of the present invention;

FIG. 8 is a schematic structural view of the positioning groove and the moving block of the present invention;

fig. 9 is a schematic view of a partially enlarged structure at a position a of the present invention;

fig. 10 is a schematic view of a partial enlarged structure at the position B of the present invention;

fig. 11 is a schematic view of a partial enlarged structure at C of the present invention;

fig. 12 is a schematic view of the local enlarged structure at position D of the present invention;

in the figure: 1. a base; 2. a supporting seat; 3. a fixed seat; 4. a fixed box; 5. a mounting frame; 6. a servo motor; 7. rotating the rod; 8. a drive bevel gear; 9. a fixing plate; 10. a first screw; 11. a first bevel gear; 12. a limiting plate; 13. a second screw; 14. a second bevel gear; 15. a first movable base; 16. a second movable base; 17. positioning a plate; 18. a movable frame; 19. polishing the motor; 20. a polishing wheel; 21. positioning a groove; 22. positioning seats; 23. a moving block; 24. tightening and loosening the screw rod; 25. loosening and tightening the screw cap; 26. a load bearing seat; 27. a feeding seat; 28. a feed chute; 29. positioning a screw rod; 30. a feeding plate; 31. a limiting groove; 32. fixing grooves; 33. fixing the screw rod; 34. fixing a nut; 35. positioning blocks; 36. a limit screw; 37. a limit nut; 38. a support block; 39. an infrared sensor; 40. a limiting ring; 41. rotating the handle; 42. and (4) a threaded cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-12, the present invention provides an embodiment: a sheet metal double-side polishing device comprises a base 1, wherein supporting seats 2 are fixedly arranged above the base 1, three supporting seats 2 are arranged on each supporting seat 2, a fixed seat 3 is fixedly arranged above each supporting seat 2, fixed boxes 4 are fixedly arranged on two sides above each fixed seat 3, a mounting frame 5 is fixedly arranged above each fixed box 4 on one side above each fixed seat 3, a servo motor 6 is fixedly arranged above each mounting frame 5, the output end of each servo motor 6 extends to the lower part of each mounting frame 5, a servo controller is arranged on one side of each servo motor 6, a rotating rod 7 is arranged below the output end of each servo motor 6, one end of each rotating rod 7 extends to the inside of each fixed box 4, one end of each rotating rod 7 is rotatably connected with the inner wall of each fixed box 4 through a bearing, two driving bevel gears 8 are fixedly arranged on the outer wall of each rotating rod 7, two driving bevel gears 8 are vertically symmetrical with each other, a fixed plate 9 is fixedly arranged above the fixed box 4, two fixed plates 9 are arranged, a first screw 10 is arranged between the two fixed plates 9, two ends of the first screw 10 are respectively and rotatably connected with the fixed box 4 through bearings, one end of the first screw 10 extends into the fixed box 4, one end of the first screw 10 is fixedly provided with a first bevel gear 11, the first bevel gear 11 is meshed with the driving bevel gear 8 above the outer wall of the rotating rod 7, a limiting plate 12 is arranged below the fixed plate 9, two limiting plates 12 are arranged, two ends of the two limiting plates 12 are respectively and fixedly connected with the fixed box 4, a second screw 13 is arranged between the limiting plates 12, two ends of the second screw 13 are respectively and rotatably connected with the fixed box 4 through bearings, one end of the second screw 13 extends into the fixed box 4, one end of the second screw 13 is fixedly provided with a second bevel gear 14, the second bevel gear 14 is meshed with a drive bevel gear 8 below the outer wall of the rotating rod 7, the outer wall of the first screw 10 is in threaded connection with a first moving seat 15, the outer wall of the second screw 13 is in threaded connection with a second moving seat 16, the front end surface and the rear end surface of the first moving seat 15 and the second moving seat 16 are respectively attached to the inner walls of the fixed plate 9 and the limiting plate 12 and are in sliding connection, one opposite sides of the first moving seat 15 and the second moving seat 16 are respectively and fixedly provided with two positioning plates 17, the two positioning plates 17 are respectively provided with two positioning plates 17, a moving frame 18 is in sliding connection between the two positioning plates 17, the inner wall of the moving frame 18 is fixedly provided with a polishing motor 19, the output end of the polishing motor 19 is fixedly provided with a polishing wheel 20, two sides inside, the four positioning grooves 21 are respectively positioned at the front end and the rear end of the limiting plate 12, a positioning seat 22 is slidably connected above the positioning grooves 21, a moving block 23 is fixedly arranged below the positioning seat 22, the moving block 23 is positioned inside the positioning grooves 21, the outer wall of the moving block 23 is slidably connected with the inner wall of the positioning groove 21, an elastic screw 24 is inserted inside the positioning seat 22, one end of the elastic screw 24 extends to the lower part of the positioning groove 21 through the moving block 23, an elastic nut 25 is connected on the outer wall of the elastic screw 24 in a threaded manner, the elastic nut 25 is positioned below the positioning groove 21, the positioning seat 22 is fixedly connected with the fixed seat 3 through the elastic screw 24 and the elastic nut 25, a bearing seat 26 is fixedly arranged on one side above the positioning seat 22, a feeding seat 27 is fixedly arranged above the bearing seat 26, and the distance between the front end above the fixed seat 3 and the feeding seat, and the distance between the feeding seat 27 of fixing base 3 top front end and rear end differs two centimetres with the diameter of throwing aureola 20, feed chute 28 has been seted up to the inside of feed seat 27, the feed chute 28 of fixing base 3 top both sides is symmetrical mutually, the inside threaded connection of feed seat 27 has positioning screw 29, and positioning screw 29's one end extends to the inside of feed chute 28, positioning screw 29's the other end extends to the top of feed seat 27, positioning screw 29's one end is provided with feed plate 30, and positioning screw 29's one end is passed through the bearing rotation with feed plate 30 and is connected, feed plate 30 is located the inside of feed chute 28.

Further, spacing groove 31 has been seted up to the inside of locating plate 17, fixed slot 32 has all been seted up to the inside of removing 18 both sides, spacing groove 31 is pegged graft with the inside of fixed slot 32 and is had set screw 33, the outer wall top threaded connection of set screw 33 has set nut 34, it passes through set screw 33 and set nut 34 fixed connection with locating plate 17 to remove frame 18, through setting up fixed slot 32, spacing groove 31, set screw 33 and set nut 34, after two positions of removing frame 18 about adjusting, it is fixed with locating plate 17 to remove frame 18 through set screw 33 and set nut 34.

Further, one side of each of the first movable seat 15 and the second movable seat 16 is provided with a positioning block 35, one side of each of the positioning blocks 35 is fixedly provided with a limit screw 36, one end of each of the limit screws 36 is respectively in threaded connection with the first movable seat 15 and the second movable seat 16, the outer wall of each of the limit screws 36 is in threaded connection with a limit nut 37, the upper side and the lower side of one side of the fixed box 4 are respectively and fixedly provided with a supporting block 38, the outer wall of each of the supporting blocks 38 is fixedly provided with an infrared sensor 39, the infrared sensor 39 is electrically connected with the servo controller through a lead, by arranging the positioning blocks 35 and the infrared sensors 39, when the first movable seat 15 and the second movable seat 16 horizontally move, the positioning blocks 35 move to the positions above the infrared sensors 39, the infrared sensors 39 transmit signals to the servo controller after sensing the positioning blocks 35, so as to control the servo motor 6 to reversely rotate, the first moving seat 15 and the second moving seat 16 are enabled to horizontally move in a reciprocating mode, the position of the positioning block 35 can be adjusted by arranging the limiting screw 36, and the moving stroke of the first moving seat 15 and the moving stroke of the second moving seat 16 can be adjusted by adjusting the position of the positioning block 35 according to the width of a sheet metal plate, so that the first moving seat 15 and the second moving seat 16 are prevented from moving uselessly, and the processing time is prevented from being wasted.

Further, the outer walls of the two ends of the first screw 10 and the second screw 13 are both fixedly provided with a limiting ring 40, and the first movable seat 15 and the second movable seat 16 can be positioned by arranging the limiting ring 40.

Further, threaded connection has screw cap 42 on the outer wall of positioning screw 29, and screw cap 42 is located the top of feeding seat 27, through locking screw cap 42 for screw cap 42 can play fixed effect to positioning screw 29 with the last terminal surface of feeding seat 27 closely laminating.

Furthermore, a rotating handle 41 is fixedly arranged at one end of the positioning screw 29 above the feeding seat 27, and the positioning screw 29 is rotated by rotating the rotating handle 41, so that the lifting of the feeding plate 30 is adjusted.

The working principle is as follows: when the device is used, firstly, the distance between the feeding seats 27 on the two sides above the fixed seat 3 is adjusted according to the width of the sheet metal plate, the elastic screw 24 and the elastic nut 25 on the positioning seat 22 are loosened, because the movable block 23 is fixedly arranged below the positioning seat 22, and the movable block 23 is in sliding connection with the positioning groove 21, the positioning block 35 horizontally moves on the upper end surface of the fixed seat 3 through the movable block 23, so that the inner walls of the feeding grooves 28 on the two sides above the fixed seat 3 are respectively attached to the two ends of the sheet metal plate, then the positioning seat 22 is fixed with the fixed seat 3 through the elastic screw 24 and the elastic nut 25, then, the moving strokes of the first moving seat 15 and the second moving seat 16 are adjusted according to the width of the sheet metal plate, the limiting nuts 37 on the first moving seat 15 and the second moving seat 16 are loosened, then the limiting screw 36 is rotated, and, when the device is operated, when the polishing wheels 20 on the first moving seat 15 and the second moving seat 16 move to two ends of the sheet metal plate, the positioning block 35 can be located above the infrared sensor 39, then the limit screw 36 is fixed through the limit nut 37, the distance between the feeding plate 30 and the inner wall below the feeding groove 28 is adjusted according to the thickness of the sheet metal plate, firstly the threaded cap 42 on the positioning screw 29 is loosened, then the positioning screw 29 is rotated, because one end of the positioning screw 29 is rotatably connected with the feeding plate 30 through a bearing, the positioning screw 29 is in threaded connection with the feeding seat 27, when the positioning screw 29 rotates, one end of the positioning screw 29 drives the feeding plate 30 to move downwards in the feeding groove 28, so that the lower end surface of the feeding plate 30 and the inner wall below the feeding groove 28 are respectively attached to and slidably connected with the upper end surface and the lower end surface of the sheet metal plate, after the feeding plates 30 in the four feeding seats 27 are adjusted, the distance between the first moving seat 15 and the polishing wheel 20 on the second moving seat 16 is adjusted according to the thickness of the sheet metal plate, the positioning plate 17 and the fixing screw 33 and the fixing nut 34 on the moving frame 18 are loosened, because the moving frame 18 is slidably connected with the two positioning plates 17, the first moving seat 15 and the moving frame 18 on the second moving seat 16 are moved towards each other, so that the upper end surface of the polishing wheel 20 on the second moving seat 16 and the lower inner wall of the feeding groove 28 are kept at the same horizontal plane, and the polishing wheels 20 on the first moving seat 15 and the second moving seat 16 are respectively attached to the upper end surface and the lower end surface of the sheet metal plate, then the fixing screw 33 and the fixing nut 34 are locked, the polishing motor 19 and the servo motor 6 are started, the sheet metal plate is inserted into the feeding groove 28 at the front end above the fixed seat 3, the servo motor 6 rotates to drive the feeding rod 7 to rotate through a coupler, the rotating rod 7 drives the two driving bevel gears 8 to rotate, because the two driving bevel gears 8 are vertically symmetrical with each other, so that the first screw 10 and the second screw 13 rotate in different directions, the first moving seat 15 and the second moving seat 16 are respectively in threaded connection with the first screw 10 and the second screw 13, and the front end surface and the rear end surface of the first moving seat 15 and the second moving seat 16 are respectively in sliding connection with the fixed plate 9 and the limiting plate 12, so that the first moving seat 15 and the second moving seat 16 horizontally move in different directions according to the principle of thread transmission, so that the first moving seat 15 and the second moving seat 16 respectively drive the polishing wheel 20 to horizontally move and polish the sheet metal, when the first moving seat 15 and the second moving seat 16 move to the two ends of the sheet metal plate, a worker conveys the sheet metal plate to the rear end by half of the distance of the polishing wheel 20, after the positioning block 35 on one side of the first moving seat 15 moves to the upper side of the infrared sensor 39, the infrared inductor 39 is electrically connected with the servo controller of the servo motor 6 through a wire, so that the infrared inductor 39 sends a signal to control the servo motor 6 to rotate reversely by the servo controller, thereby enabling the first moving seat 15 to move in the opposite direction, the second moving seat 16 and the first moving seat 15 are different in moving direction, after the positioning block 35 on one side of the second moving seat 16 moves to the upper part of the infrared inductor 39, the servo motor 6 rotates forwards, thereby enabling the first moving seat 15 and the second moving seat 16 to move back and forth, thereby carrying out back and forth polishing on the metal plate, when the first moving seat 15 and the second moving seat 16 move back and forth once, the metal plate is conveyed to the rear end by the distance of the half polishing wheel 20, and the polishing position of the metal plate is not missed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a two-sided burnishing device of panel beating, includes base (1), its characterized in that: the support frame is characterized in that the support seats (2) are fixedly arranged above the base (1), the support seats (2) are three, the fixing seats (3) are fixedly arranged above the three support seats (2), the fixing boxes (4) are fixedly arranged on two sides above the fixing seats (3), the mounting frame (5) is fixedly arranged above the fixing box (4) on one side above the fixing seats (3), the servo motor (6) is fixedly arranged above the mounting frame (5), the output end of the servo motor (6) extends to the lower part of the mounting frame (5), the rotating rod (7) is arranged below the output end of the servo motor (6), one end of the rotating rod (7) extends to the inner part of the fixing box (4), one end of the rotating rod (7) is rotatably connected with the inner wall of the fixing box (4) through a bearing, and the driving bevel gear (8) is fixedly arranged on the outer wall of the rotating rod (7), two driving bevel gears (8) are arranged, the two driving bevel gears (8) are vertically symmetrical with each other, a fixing plate (9) is fixedly arranged above the fixing box (4), the two fixing plates (9) are arranged, a first screw (10) is arranged between the two fixing plates (9), two ends of the first screw (10) are respectively rotatably connected with the fixing box (4) through bearings, one end of the first screw (10) extends into the fixing box (4), one end of the first screw (10) is fixedly provided with a first bevel gear (11), the first bevel gear (11) is meshed with the driving bevel gear (8) above the outer wall of the rotating rod (7), a limiting plate (12) is arranged below the fixing plate (9), two limiting plates (12) are arranged, two ends of the two limiting plates (12) are respectively fixedly connected with the fixing box (4), a second screw (13) is arranged between the limiting plates (12), two ends of the second screw (13) are rotatably connected with the fixed box (4) through bearings, one end of the second screw (13) extends into the fixed box (4), one end of the second screw (13) is fixedly provided with a second bevel gear (14), the second bevel gear (14) is meshed with a driving bevel gear (8) below the outer wall of the rotating rod (7), the outer wall of the first screw (10) is in threaded connection with a first movable seat (15), the outer wall of the second screw (13) is in threaded connection with a second movable seat (16), the front end face and the rear end face of the first movable seat (15) and the second movable seat (16) are respectively attached to the inner walls of the fixed plate (9) and the limiting plates (12) and are in sliding connection, one sides of the first movable seat (15) and the second movable seat (16) opposite to each other are fixedly provided with a positioning plate (17), two positioning plates (17) are arranged, a moving frame (18) is connected between the two positioning plates (17) in a sliding manner, polishing motors (19) are fixedly installed on the inner walls of the moving frame (18), polishing wheels (20) are fixedly arranged at the output ends of the polishing motors (19), positioning grooves (21) are formed in two sides of the inner portion of the fixed seat (3), four positioning grooves (21) are formed in the four positioning grooves (21), the four positioning grooves (21) are respectively located at the front end and the rear end of the limiting plate (12), a positioning seat (22) is connected above the positioning grooves (21) in a sliding manner, a moving block (23) is fixedly arranged below the positioning seat (22), the moving block (23) is located in the positioning grooves (21), the outer wall of the moving block (23) is connected with the inner walls of the positioning grooves (21) in a sliding manner, and an elastic screw rod (, one end of a tightening screw rod (24) extends to the lower part of the positioning groove (21) through a moving block (23), a tightening nut (25) is connected to the outer wall of the tightening screw rod (24) in a threaded manner, the tightening nut (25) is located below the positioning groove (21), the positioning seat (22) is fixedly connected with the fixed seat (3) through the tightening screw rod (24) and the tightening nut (25), a bearing seat (26) is fixedly arranged on one side above the positioning seat (22), a feeding seat (27) is fixedly arranged above the bearing seat (26), a feeding groove (28) is formed in the feeding seat (27), the positioning screw rod (29) is connected with the inner portion of the feeding seat (27) in a threaded manner, one end of the positioning screw rod (29) extends to the inner portion of the feeding groove (28), and the other end of the positioning screw rod (29) extends to the upper portion of the feeding seat (27), one end of the positioning screw rod (29) is provided with a feeding plate (30), one end of the positioning screw rod (29) is rotatably connected with the feeding plate (30) through a bearing, and the feeding plate (30) is located inside the feeding groove (28).

2. The sheet metal double-sided polishing device according to claim 1, characterized in that: spacing groove (31) have been seted up to the inside of locating plate (17), fixed slot (32) have all been seted up to the inside of removing frame (18) both sides, spacing groove (31) are pegged graft with the inside of fixed slot (32) and are had clamping screw (33), clamping screw's (33) outer wall top threaded connection has clamping nut (34), remove frame (18) and locating plate (17) and pass through clamping screw (33) and clamping nut (34) fixed connection.

3. The sheet metal double-sided polishing device according to claim 1, characterized in that: one side of the first movable seat (15) and one side of the second movable seat (16) are both provided with a positioning block (35), one side of the positioning block (35) is fixedly provided with a limit screw (36), one end of the limit screw (36) is in threaded connection with the first movable seat (15) and the second movable seat (16) respectively, the outer wall of the limit screw (36) is connected with a limit nut (37) in a threaded manner, a supporting block (38) is fixedly arranged above and below one side of the fixed box (4), and an infrared inductor (39) is fixedly arranged on the outer wall of the supporting block (38).

4. The sheet metal double-sided polishing device according to claim 1, characterized in that: and limiting rings (40) are fixedly arranged on the outer walls of the two ends of the first screw (10) and the second screw (13).

5. The sheet metal double-sided polishing device according to claim 1, characterized in that: the outer wall of the positioning screw rod (29) is in threaded connection with a threaded cap (42), and the threaded cap (42) is located above the feeding seat (27).

6. The sheet metal double-sided polishing device according to claim 1, characterized in that: and a rotating handle (41) is fixedly arranged at one end of the positioning screw rod (29) above the feeding seat (27).

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