CN112959192B

CN112959192B - Polishing device for processing wood

Info

Publication number: CN112959192B
Application number: CN202110221385.4A
Authority: CN
Inventors: 徐勇志
Original assignee: Fuzhou Linchuan Bowenju Smart Home Co ltd
Current assignee: Fuzhou Linchuan Bowenju Smart Home Co ltd
Priority date: 2021-02-27
Filing date: 2021-02-27
Publication date: 2022-08-23
Anticipated expiration: 2041-02-27
Also published as: CN112959192A

Abstract

The invention relates to the field of timber processing, in particular to a polishing device for processing timber, which comprises a base bracket, a driving motor, a conveying mechanism, a polishing mechanism and the like; the base support is fixedly provided with a driving motor, the base support is provided with a conveying mechanism, and the base support is rotatably connected with a polishing mechanism. Through polishing mechanism, the second dead lever promotes first dead lever and device on it and rotates, and first burnishing wheel rotates and carries out burnishing and polishing to timber surface, and a department rotary disk drives another department rotary disk and device on it through first connecting rod and rotates, and two second burnishing wheels rotate and carry out burnishing and polishing to timber both sides.

Description

Polishing device for processing wood

Technical Field

The invention relates to the field of wood processing, in particular to a polishing device for processing wood.

Background

Wood generally refers to a wooden material used in civil buildings, and is generally a soft material and a hard material, most of the wood is hard, has beautiful textures, and is not easy to deform, the wood is easy to obtain and process, the wood is a main building material since ancient times, the wood needs to be processed before becoming a building material, and a wood workpiece needs to be polished in the processing process.

In the prior art, two processes of manual polishing and machine polishing are mainly adopted for polishing a wood workpiece, the manual polishing is carried out on the surface of the workpiece by means of tools such as sand paper, the polishing requirement cannot be met due to the fact that the workpiece cannot be uniformly stressed and the surface of the workpiece is uneven, the machine polishing operation is complex, and the front and back adjusting capacity is poor.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a polishing device for processing wood, which can polish the front side, the back side and the side of the wood and automatically push out the wood, so as to solve the problems of uneven workpiece surface and complicated machine polishing operation caused by manual polishing in the background technology.

The technical scheme is as follows: the utility model provides a be used for processing timber burnishing device, includes base support, driving motor, conveying mechanism, polishing mechanism and tilting mechanism, and fixed mounting has driving motor on the base support, is equipped with conveying mechanism on the base support, and the last rotation type of base support is connected with polishing mechanism, is equipped with tilting mechanism on the base support.

In a preferred embodiment of the invention, the conveying mechanism comprises a first fixed block, a reciprocating screw, a first sliding sleeve, a second sliding sleeve, a charging sliding plate, a supporting plate, a wedge-shaped plate, a rack and a fixture block, wherein the two first fixed blocks are fixedly arranged on a base support, the reciprocating screw is fixedly connected to an output shaft of the driving motor, the reciprocating screw is rotatably connected with the first fixed blocks, the first sliding sleeve is connected to the reciprocating screw in a threaded connection mode, the reciprocating screw is slidably connected with the second sliding sleeve, the first sliding sleeve and the second sliding sleeve are fixedly connected with the charging sliding plate together, the charging sliding plate is slidably connected with the base support, the supporting plate is fixedly connected to the top of the supporting plate, the wedge-shaped plate is fixedly connected to one side of the charging sliding plate, and the fixture block is fixedly connected to one side of the charging sliding plate.

In a preferred embodiment of the invention, the polishing mechanism comprises a first rotating shaft, a first polishing wheel, a first rotating disc, a first fixed rod, a second rotating shaft, a transmission gear, a second rotating disc, a second fixed rod, a second polishing wheel, a rotating disc and a first connecting rod, wherein the first rotating shaft is rotatably connected to the base bracket, the first polishing wheel is fixedly connected to the first rotating shaft, the first rotating disc is also fixedly connected to the first rotating shaft, the first fixed rod is fixedly connected to one side of the first rotating disc in a distributed manner, the second rotating shaft is symmetrically connected to the base bracket through a bearing, the transmission gear is fixedly connected to the middle part of the second rotating shaft, the transmission gear is meshed with the rack, the second rotating disc is fixedly connected to the second rotating shaft, the second fixed rod is fixedly connected to the top surface of the second rotating disc in a distributed manner, the second polishing wheel is fixedly connected to the top part of the second rotating shaft, and the rotating disc is fixedly connected to the lower part of the second rotating shaft, the two rotating disks are connected with a first connecting rod in a rotating mode.

In a preferred embodiment of the invention, the turnover mechanism comprises a movable frame, a slide rail, a slide block, a third rotating shaft, a third rotating disc, a clamping block, a fixed plate, a pressure spring, a movable arc block, a second fixed block, a second connecting rod, a clamping rod, a third fixed rod, a first tension spring, a fourth rotating disc, a third fixed block, a support rod, a fourth rotating shaft, an intermittent rotary disc, an intermittent gear, a fixed frame, a toothed connecting rod and a first return spring, wherein the movable frame is connected to a base bracket in a sliding manner, the slide rail is fixedly connected to the base bracket, the slide rail is connected with the slide block in a sliding manner, the center of the slide block is rotatably connected with the third rotating shaft, the third rotating disc is fixedly connected to the third rotating shaft, two clamping blocks are slidably connected to one side of the third rotating disc, the fixed plate is symmetrically fixedly connected to one side of the third rotating disc, and a pair of pressure springs is connected between the clamping block and the fixed plate, the movable arc block is fixedly connected to a third rotating shaft, one side of the movable arc block is fixedly connected with two second fixed blocks, one second fixed block is contacted with the movable frame, one end of the third rotating shaft is fixedly connected with a second connecting rod, one side of the sliding block is fixedly connected with two clamping rods, one clamping rod is contacted with the second connecting rod, the third fixed rod is also fixedly connected to one side of the sliding block, a first tension spring is connected between the third fixed rod and the second connecting rod, a fourth rotating disc is fixedly connected to the reciprocating screw rod, one side of the fourth rotating disc is fixedly connected with a third fixed block, the supporting rod is fixedly connected to the base bracket, the supporting rod is rotatably connected to a fourth rotating shaft, an intermittent turntable is fixedly connected to the fourth rotating shaft, the intermittent turntable is contacted with the fourth rotating disc, an intermittent gear is fixedly connected to the fourth rotating shaft, a fixed bracket is fixedly connected to the base bracket, and a connecting rod with teeth is slidably connected to the fixed bracket, the toothed connecting rod is in mutual contact with the sliding block, and a first return spring is connected between the toothed connecting rod and the sliding rail.

In a preferred embodiment of the present invention, the pushing mechanism is further included, the pushing mechanism is disposed on the base bracket, the pushing mechanism includes a pushing block, a pushing rod, a second restoring spring, a fifth fixing rod, a sixth fixing rod, a movable rod, a seventh fixing rod, a hook block and a second tension spring, the base bracket is slidably connected with the two pushing rods, one end of each pushing rod is fixedly connected with the pushing block, the two pushing rods are fixedly connected with the fifth fixing rod, the second restoring spring is connected between the fifth fixing rod and the base bracket, the sixth fixing rod is fixedly connected with the fifth fixing rod, the movable rod is rotatably connected with the sixth fixing rod, the seventh fixing rod is rotatably connected with the movable rod, the hook block is rotatably connected with the seventh fixing rod, the hook block is in contact with the loading sliding plate, and the second tension spring is connected between the hook block and the movable rod.

Compared with the prior art, the invention has the following advantages: through polishing mechanism, the second dead lever promotes first dead lever and device on it and rotates, and first burnishing wheel rotates and carries out burnishing and polishing to timber surface, and a department rotary disk drives another department rotary disk and device on it through first connecting rod and rotates, and two second burnishing wheels rotate and carry out burnishing and polishing to timber both sides.

Through tilting mechanism, take the tooth connecting rod to promote the sliding block and install upward movement on it to the adjustable shelf promotes a second fixed block, and then drives activity arc piece and go up the device and rotate, and the kelly blocks the second connecting rod, makes the third axis of rotation only this can rotate 180 degrees, makes timber upset 180 degrees, and the timber back is up, is convenient for carry out burnishing and polishing to the timber back.

Through pushing mechanism, when the fixture block contacted with the hook block, the hook block hooked the fixture block, the fixture block drove the movable rod swing through the hook block, the movable rod drove the fifth dead lever and the device on it moves towards the direction close to the slide of feeding, the ejector pad promoted the timber on the slide of feeding, timber passes through the wedge and slides down, the staff of being convenient for puts down a timber that needs polishing.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic perspective view of the conveying mechanism of the present invention.

Fig. 4 is a schematic perspective view of the polishing mechanism of the present invention.

Fig. 5 is a schematic view of a first partial body structure of the turnover mechanism of the present invention.

Fig. 6 is a schematic view of a second partial structure of the turnover mechanism of the present invention.

Fig. 7 is a schematic partial perspective view of the pushing mechanism of the present invention.

Fig. 8 is an enlarged schematic view of the structure of the present invention a.

Wherein the figures include the following reference numerals: 1. a base bracket, 2, a driving motor, 3, a conveying mechanism, 31, a first fixed block, 32, a reciprocating screw, 33, a first sliding sleeve, 34, a second sliding sleeve, 35, a charging sliding plate, 36, a supporting plate, 37, a wedge-shaped plate, 38, a rack, 39, a clamping block, 4, a polishing mechanism, 41, a first rotating shaft, 42, a first polishing wheel, 43, a first rotating disc, 44, a first fixed rod, 45, a second rotating shaft, 46, a transmission gear, 47, a second rotating disc, 48, a second fixed rod, 49, a second polishing wheel, 410, a rotating disc, 411, a first connecting rod, 5, a turnover mechanism, 51, a movable frame, 52, a sliding rail, 53, a sliding block, 54, a third rotating shaft, 55, a third rotating disc, 56, a clamping block, 57, a fixed plate, 58, a pressure spring, 59, a movable arc-shaped block, 510, a second fixed block, 511, a second connecting rod, 512, a clamping rod, 513. the device comprises a third fixing rod, 514, a first tension spring, 515, a fourth rotating disc, 516, a third fixing block, 517, a supporting rod, 518, a fourth rotating shaft, 519, an intermittent rotating disc, 520, an intermittent gear, 521, a fixing frame, 522, a toothed connecting rod, 523, a first return spring, 6, a pushing mechanism, 61, a pushing block, 62, a pushing rod, 63, a second return spring, 64, a fifth fixing rod, 65, a sixth fixing rod, 66, a movable rod, 67, a seventh fixing rod, 68, a hook block, 69 and a second tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a be used for processing timber burnishing device, as shown in fig. 1-6, including base support 1, driving motor 2, conveying mechanism 3, polishing mechanism 4 and tilting mechanism 5, fixed mounting has driving motor 2 on base support 1, be equipped with the conveying mechanism 3 that is used for transmitting timber on base support 1, the last rotation type of base support 1 is connected with and is used for carrying out the polishing mechanism 4 that polishes to timber, be equipped with tilting mechanism 5 on base support 1, tilting mechanism 5 is used for overturning the timber, makes the timber back up.

The conveying mechanism 3 comprises a first fixed block 31, a reciprocating screw 32, a first sliding sleeve 33, a second sliding sleeve 34, a charging sliding plate 35, a support plate 36, a wedge-shaped plate 37, a rack 38 and a fixture block 39, wherein the two first fixed blocks 31 are fixedly arranged on the base support 1, the reciprocating screw 32 is fixedly connected to an output shaft of the driving motor 2, the reciprocating screw 32 is rotatably connected with the first fixed blocks 31, the first sliding sleeve 33 is connected to the reciprocating screw 32 in a threaded connection mode, the reciprocating screw 32 far away from the driving motor 2 is slidably connected with the second sliding sleeve 34, the first sliding sleeve 33 and the second sliding sleeve 34 are fixedly connected with the charging sliding plate 35 for placing wood, the charging sliding plate 35 is slidably connected with the base support 1, the support plate 36 is fixedly connected to the base support 1, the top of the support plate 36 is fixedly connected with the wedge-shaped plate 37, the charging plate 37 is used for sliding down the wood, the rack 38 is fixedly connected to one side of the charging sliding plate 35, the latch 39 is fixed to the side of the charging slide plate 35 adjacent to the rack 38.

The polishing mechanism 4 comprises a first rotating shaft 41, a first polishing wheel 42, a first rotating disc 43, a first fixing rod 44, a second rotating shaft 45, a transmission gear 46, a second rotating disc 47, a second fixing rod 48, a second polishing wheel 49, a rotating disc 410 and a first connecting rod 411, the first rotating shaft 41 is rotatably connected on the base support 1, the first polishing wheel 42 is fixedly connected on the first rotating shaft 41, the first polishing wheel 42 is used for polishing the surface of the wood, the first rotating disc 43 is also fixedly connected on the first rotating shaft 41, the first fixing rod 44 is fixedly connected on one side of the first rotating disc 43 in a distributed manner, the second rotating shaft 45 is symmetrically connected on the base support 1 through a bearing, the transmission gear 46 is fixedly connected at the middle part of the second rotating shaft 45, the transmission gear 46 is meshed with the rack 38, the second rotating disc 47 is fixedly connected on the second rotating shaft 45, the second fixing rod 48 is fixedly connected on the top surface of the second rotating disc 47 in a distributed manner, the second fixing rod 48 pushes the first fixing rod 44 to rotate, a second polishing wheel 49 is fixedly connected to the top of the second rotating shaft 45, the second polishing wheel 49 is used for polishing two sides of wood, the rotating disc 410 is fixedly connected below the second rotating shaft 45, and the two rotating discs 410 are connected with a first connecting rod 411 in a rotating mode.

The turnover mechanism 5 comprises a movable frame 51, a slide rail 52, a slide block 53, a third rotating shaft 54, a third rotating disc 55, a clamping block 56, a fixed plate 57, a pressure spring 58, a movable arc block 59, a second fixed block 510, a second connecting rod 511, a clamping rod 512, a third fixed rod 513, a first tension spring 514, a fourth rotating disc 515, a third fixed block 516, a supporting rod 517, a fourth rotating shaft 518, an intermittent rotary disc 519, an intermittent gear 520, a fixed frame 521, a toothed connecting rod 522 and a first return spring 523, wherein the movable frame 51 is slidably connected to the base bracket 1, the movable frame 51 is used for pushing the movable arc block 59 to rotate, the slide rail 52 is fixedly connected to the base bracket 1, the slide rail 52 is slidably connected with the slide block 53, the center of the slide block 53 is rotatably connected with the third rotating shaft 54, the third rotating shaft 54 is fixedly connected with the third rotating disc 55, one side of the third rotating disc 55 is slidably connected with two clamping blocks 56, the clamping block 56 is used for clamping wood, the fixed plate 57 is symmetrically and fixedly connected to one side of the third rotating disc 55, a pair of pressure springs 58 is connected between the clamping block 56 and the fixed plate 57, the movable arc block 59 is fixedly connected to the third rotating shaft 54 close to the third rotating disc 55, one side of the movable arc block 59 is fixedly connected with two second fixed blocks 510, one second fixed block 510 is in contact with the movable frame 51, one end of the third rotating shaft 54 far away from the third rotating disc 55 is fixedly connected with a second connecting rod 511, one side of the sliding block 53 is fixedly connected with two clamping rods 512 for limiting the second connecting rod 511, one clamping rod 512 is in contact with the second connecting rod 511, the third fixed rod 513 is fixedly connected to one side of the sliding block 53 close to the clamping rod 512, a first tension spring 514 is connected between the third fixed rod 513 and the second connecting rod 511, a fourth rotating disc 515 is fixedly connected to the reciprocating screw 32 far away from the driving motor 2, a third fixed block 516 is fixedly connected to one side of the fourth rotating disc 515, the third fixed block 516 is used for pushing an intermittent rotary disc 519 to rotate, a support rod 517 is fixedly connected to the base support 1, a fourth rotating shaft 518 is rotatably connected to the support rod 517, the fourth rotating shaft 518 far away from the support rod 517 is fixedly connected to the intermittent rotary disc 519, the intermittent rotary disc 519 and the fourth rotating disc 515 are in contact with each other, an intermittent gear 520 is fixedly connected to the fourth rotating shaft 518, a fixed frame 521 is fixedly connected to the base support 1, a toothed connecting rod 522 is slidably connected to the fixed frame 521, the toothed connecting rod 522 is used for pushing the sliding block 53 to move upwards, the toothed connecting rod 522 is in contact with the sliding block 53, and a first return spring 523 is connected between the toothed connecting rod 522 and the sliding rail 52.

When the wood needs to be polished, a worker puts the wood needing to be polished on the loading sliding plate 35 from the base support 1, the worker manually starts the driving motor 2, an output shaft of the driving motor 2 drives the reciprocating screw 32 to rotate clockwise, the first sliding sleeve 33 and the device on the first sliding sleeve move in the direction away from the driving motor 2, the loading sliding plate 35 drives the rack 38 to move in the direction away from the driving motor 2, the rack 38 drives the transmission gear 46 and the device on the transmission gear to rotate, the second fixing rod 48 pushes the first fixing rod 44 and the device on the first fixing rod to rotate, the first polishing wheel 42 rotates to polish the surface of the wood, the rotating disc 410 drives the rotating disc 410 and the device on the rotating disc through the first connecting rod 411, and the two second polishing wheels 49 rotate to polish two sides of the wood. When the timber is contacted with the clamping blocks 56, the timber pushes the two clamping blocks 56 to move reversely, the pressure spring 58 is compressed, and the two clamping blocks 56 clamp the timber through the action of the pressure spring 58.

The reciprocating screw 32 rotates to drive the fourth rotating disc 515 and the third fixed block 516 to rotate clockwise, the third fixed block 516 pushes the intermittent rotating disc 519 and the upper device thereof to rotate anticlockwise, when the intermittent gear 520 is meshed with the toothed connecting rod 522, the intermittent gear 520 rotates anticlockwise to drive the toothed connecting rod 522 to move upwards, the first return spring 523 is compressed, the toothed connecting rod 522 pushes the sliding block 53 and the upper device thereof to move upwards, the movable frame 51 pushes one second fixed block 510, the movable arc block 59 and the upper device thereof to rotate, the clamping rod 512 blocks the second connecting rod 511, the third rotating shaft 54 can only rotate 180 degrees, the wood is turned over 180 degrees, the back of the wood faces upwards, polishing and polishing of the back of the wood are facilitated, and the other second fixed block 510 pushes the movable frame 51 to move in a direction away from the toothed connecting rod 522. The intermittent rotary disk 519 and the device thereon continue to rotate counterclockwise, when the intermittent gear 520 is separated from the toothed connecting rod 522, the compressed first return spring 523 returns to drive the toothed connecting rod 522 to move downwards to return, the toothed connecting rod 522 no longer supports the sliding block 53, and the sliding block 53 and the device thereon fall under the influence of gravity.

The output shaft of the driving motor 2 drives the reciprocating screw 32 to continue rotating, the first sliding sleeve 33 and the device on the first sliding sleeve move towards the direction close to the driving motor 2 under the action of the reciprocating screw 32, the loading sliding plate 35 drives the wood to move towards the direction close to the driving motor 2, the wood is separated from the two clamping blocks 56, the rack 38 drives the transmission gear 46 and the device on the transmission gear to rotate, so that the second fixing rod 48 pushes the first fixing rod 44 and the device on the first fixing rod to rotate, the first polishing wheel 42 rotates to polish and polish the surface of the turned wood, the rotating disc 410 drives the rotating disc 410 and the device on the rotating disc to rotate through the first connecting rod 411, and the two second polishing wheels 49 rotate to polish and polish both sides of the wood fully. The staff closes driving motor 2 manually, makes equipment stop operation, and the staff takes out the timber that the polishing was accomplished from feeding slide 35, puts into next timber that needs to carry out the burnishing and polishing, repeats the above-mentioned operation and carries out the burnishing and polishing to timber.

Example 2

On the basis of the embodiment 1, as shown in fig. 7-8, the wood loading device further includes a pushing mechanism 6, the pushing mechanism 6 is disposed on the base bracket 1, the pushing mechanism 6 is used for pushing the wood on the loading sliding plate 35, the pushing mechanism 6 includes a pushing block 61, a pushing rod 62, a second return spring 63, a fifth fixing rod 64, a sixth fixing rod 65, a movable rod 66, a seventh fixing rod 67, a hook block 68 and a second tension spring 69, the base bracket 1 is slidably connected with the two pushing rods 62, one end of the two pushing rods 62 is fixedly connected with the pushing block 61, the pushing block 61 is used for pushing the wood on the loading sliding plate 35, the two pushing rods 62 far away from the pushing block 61 are fixedly connected with the fifth fixing rod 64, the second return spring 63 is connected between the fifth fixing rod 64 and the base bracket 1, the sixth fixing rod 65 is fixedly connected with the fifth fixing rod 64, the movable rod 66 is rotatably connected with the sixth fixing rod 65, the seventh fixing rod 67 is rotatably connected to the movable rod 66 far away from the sixth fixing rod 65, the seventh fixing rod 67 is rotatably connected with a hook block 68, the hook block 68 is in contact with the loading sliding plate 35, the hook block 68 is used for hooking the fixture block 39, and a second tension spring 69 is connected between the hook block 68 and the movable rod 66.

When the first sliding sleeve 33 and the device thereon move in the direction away from the driving motor 2, the hook block 39 pushes the hook block 68 to swing in the direction close to the movable rod 66, the second tension spring 69 is stretched, when the hook block 39 is separated from the hook block 68, the stretched second tension spring 69 is reset to drive the hook block 68 to reset, when the first sliding sleeve 33 and the device thereon move in the direction close to the driving motor 2, the hook block 39 is contacted with the hook block 68, the hook block 68 hooks the hook block 39, the hook block 39 drives the movable rod 66 to swing through the hook block 68, the movable rod 66 drives the fifth fixing rod 64 and the device thereon to move in the direction close to the charging sliding plate 35, the second reset spring 63 is compressed, the pushing block 61 pushes the wood on the charging sliding plate 35, the wood slides downwards through the wedge plate 37, and a worker can conveniently place a next piece of wood which needs polishing. When the latch 39 is separated from the hook 68, the compressed second tension spring 69 is restored to drive the hook 68 to be restored, and the compressed second return spring 63 is restored to drive the fifth fixing rod 64 and the upper device thereof to be restored.

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

Claims

1. A polishing device for processing wood is characterized by comprising a base support (1), a driving motor (2), a conveying mechanism (3), a polishing mechanism (4) and a turnover mechanism (5), wherein the driving motor (2) is fixedly installed on the base support (1), the conveying mechanism (3) is arranged on the base support (1), the polishing mechanism (4) is rotatably connected on the base support (1), and the turnover mechanism (5) is arranged on the base support (1);

the conveying mechanism (3) comprises a first fixed block (31), a reciprocating screw (32), a first sliding sleeve (33), a second sliding sleeve (34), a charging sliding plate (35), a supporting plate (36), a wedge-shaped plate (37), a rack (38) and a clamping block (39), wherein the two first fixed blocks (31) are fixedly arranged on the base support (1), the reciprocating screw (32) is fixedly connected to an output shaft of the driving motor (2), the reciprocating screw (32) is rotatably connected with the first fixed block (31), the first sliding sleeve (33) is connected to the reciprocating screw (32) in a threaded connection mode, the reciprocating screw (32) is slidably connected with the second sliding sleeve (34), the charging sliding plate (35) is fixedly connected to the first sliding sleeve (33) and the second sliding sleeve (34) together, the charging sliding plate (35) is slidably connected with the base support (1), the supporting plate (36) is fixedly connected to the base support (1), a wedge-shaped plate (37) is fixedly connected to the top of the supporting plate (36), a rack (38) is fixedly connected to one side of the charging sliding plate (35), and a clamping block (39) is also fixedly connected to one side of the charging sliding plate (35);

the polishing mechanism (4) comprises a first rotating shaft (41), a first polishing wheel (42), a first rotating disc (43), a first fixing rod (44), a second rotating shaft (45), a transmission gear (46), a second rotating disc (47), a second fixing rod (48), a second polishing wheel (49), a rotating disc (410) and a first connecting rod (411), the base support (1) is rotatably connected with the first rotating shaft (41), the first rotating shaft (41) is fixedly connected with the first polishing wheel (42), the first rotating disc (43) is also fixedly connected on the first rotating shaft (41), one side of the first rotating disc (43) is fixedly connected with the first fixing rod (44) in a distributed manner, the base support (1) is symmetrically connected with the second rotating shaft (45) through a bearing, the middle part of the second rotating shaft (45) is fixedly connected with the transmission gear (46), and the transmission gear (46) is meshed with the rack (38), a second rotating disc (47) is fixedly connected to the second rotating shaft (45), second fixing rods (48) are fixedly connected to the top surface of the second rotating disc (47) in a distributed mode, a second polishing wheel (49) is fixedly connected to the top of the second rotating shaft (45), the rotating disc (410) is fixedly connected to the lower portion of the second rotating shaft (45), and a first connecting rod (411) is connected to the two rotating discs (410) in a rotating mode;

the turnover mechanism (5) comprises a movable frame (51), a sliding rail (52), a sliding block (53), a third rotating shaft (54), a third rotating disc (55), a clamping block (56), a fixing plate (57), a pressure spring (58), a movable arc-shaped block (59), a second fixing block (510), a second connecting rod (511), a clamping rod (512), a third fixing rod (513), a first tension spring (514), a fourth rotating disc (515), a third fixing block (516), a supporting rod (517), a fourth rotating shaft (518), an intermittent rotating disc (519), an intermittent gear (520), a fixing frame (521), a toothed connecting rod (522) and a first reset spring (523), wherein the movable frame (51) is connected to the base support (1) in a sliding manner, the sliding rail (52) is fixedly connected to the base support (1), the sliding block (53) is connected to the sliding rail (52) in a sliding manner, and the third rotating shaft (54) is connected to the center of the sliding block (53) in a rotating manner, a third rotating disc (55) is fixedly connected on a third rotating shaft (54), one side of the third rotating disc (55) is connected with two clamping blocks (56) in a sliding way, a fixed plate (57) is symmetrically and fixedly connected on one side of the third rotating disc (55), a pair of pressure springs (58) is connected between the clamping blocks (56) and the fixed plate (57), a movable arc-shaped block (59) is fixedly connected on the third rotating shaft (54), one side of the movable arc-shaped block (59) is fixedly connected with two second fixed blocks (510), one second fixed block (510) is mutually contacted with a movable frame (51), one end of the third rotating shaft (54) is fixedly connected with a second connecting rod (511), one side of a sliding block (53) is fixedly connected with two clamping rods (512), one clamping rod (512) is mutually contacted with the second connecting rod (511), a third fixed rod (513) is also fixedly connected on one side of the sliding block (53), and a first tension spring (514) is connected between the third fixed rod (513) and the second connecting rod (511), a fourth rotating disc (515) is fixedly connected to the reciprocating screw (32), a third fixed block (516) is fixedly connected to one side of the fourth rotating disc (515), a support rod (517) is fixedly connected to the base support (1), a fourth rotating shaft (518) is rotatably connected to the support rod (517), an intermittent rotary disc (519) is fixedly connected to the fourth rotating shaft (518), the intermittent rotary disc (519) and the fourth rotating disc (515) are in mutual contact, an intermittent gear (520) is fixedly connected to the fourth rotating shaft (518), a fixing frame (521) is fixedly connected to the base support (1), a toothed connecting rod (522) is slidably connected to the fixing frame (521), the toothed connecting rod (522) is in mutual contact with the sliding block (53), and a first reset spring (523) is connected between the toothed connecting rod (522) and the sliding rail (52);

the automatic lifting device is characterized by further comprising a pushing mechanism (6), wherein the pushing mechanism (6) is arranged on the base support (1), the pushing mechanism (6) comprises a pushing block (61), a pushing rod (62), a second reset spring (63), a fifth fixed rod (64), a sixth fixed rod (65), a movable rod (66), a seventh fixed rod (67), a hook block (68) and a second tension spring (69), the base support (1) is connected with the two pushing rods (62) in a sliding mode, one ends of the two pushing rods (62) are fixedly connected with the pushing block (61) together, the two pushing rods (62) are fixedly connected with the fifth fixed rod (64) together, the second reset spring (63) is connected between the fifth fixed rod (64) and the base support (1), the sixth fixed rod (65) is fixedly connected with the fifth fixed rod (65), the movable rod (66) is rotatably connected with the sixth fixed rod (65), and the seventh fixed rod (67) is rotatably connected with the movable rod (66), a hook block (68) is rotationally connected on the seventh fixed rod (67), the hook block (68) is in contact with the charging sliding plate (35), and a second tension spring (69) is connected between the hook block (68) and the movable rod (66).