CN110803495A

CN110803495A - Plank freely turning device

Info

Publication number: CN110803495A
Application number: CN201911085786.0A
Authority: CN
Inventors: 陈剑利
Original assignee: Taizhou Luba Electromechanical Technology Co Ltd
Current assignee: Taizhou Luba Electromechanical Technology Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-02-18

Abstract

The invention discloses a board free turning device, which comprises a workbench, wherein the bottom end of the workbench is provided with a plurality of uniformly distributed supporting legs, and the board free turning device is characterized in that: one end of the workbench is provided with a power mechanism providing one-way transmission, one end of the power mechanism is provided with a locking mechanism, one side of the workbench is provided with a lifting mechanism, the lifting mechanism is connected with the power mechanism, one side of the lifting mechanism is provided with a first clamping mechanism, the other side of the workbench is provided with a moving mechanism, and one side of the moving mechanism is provided with a second clamping mechanism. The invention can automatically adjust the height of the clamping functional component, can lower the height to facilitate clamping the wood board to be processed, reduces the labor intensity of users and improves the working efficiency.

Description

Plank freely turning device

Technical Field

The invention belongs to the field of wood processing, relates to a board turnover device, and particularly relates to a board free turnover device.

Background

The board turning device fixes the position of the board through clamping, and the turning board assists a user in processing the front and back sides of the board, so that the labor intensity of the user is reduced, but the problem of complicated fixing steps is solved. For this reason, long-term research has been conducted, and various solutions have been proposed.

For example, chinese patent document discloses a board turnover device [ application No.: 201711351012.9], the flip-chip package comprises a mounting base, a first flip-chip assembly and a second flip-chip assembly, wherein the mounting base comprises a mounting substrate, a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg, and the first supporting leg, the second supporting leg, the third supporting leg and the fourth supporting leg are respectively arranged on four corners of the mounting substrate. According to the board overturning device, the mounting base is used for better supporting effect on the first overturning assembly and the second overturning assembly through the mounting base, the first overturning assembly is used for clamping one end of a board, the second overturning assembly is used for clamping the other end of the board, the two ends of the board are respectively clamped through the first overturning assembly and the second overturning assembly, and then the board is overturned through rotation, so that the workload of manual overturning is reduced, the labor intensity of workers is reduced, and the overturning efficiency is improved.

Above-mentioned scheme is in the use, and the height that the centre gripping functional unit was realized to uncontrollable, when the great plank of centre gripping weight, needs the manual work to lift up the plank and carries out the centre gripping, has improved the degree of difficulty of centre gripping, has increased that user of service's work is slight.

Disclosure of Invention

The invention aims to solve the problems and provides a board free turning device which can automatically adjust the height of a clamping functional component, can lower the height to clamp a board to be processed conveniently, reduces the labor intensity of users and improves the working efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: this plank freely turning device includes the workstation, the workstation bottom is equipped with a plurality of evenly distributed's landing leg, its characterized in that: the one-way transmission type workbench is characterized in that a power mechanism providing one-way transmission is arranged at one end of the workbench, a locking mechanism is arranged at one end of the power mechanism, a lifting mechanism is arranged on one side of the workbench and connected with the power mechanism, a first clamping mechanism is arranged on one side of the lifting mechanism, a moving mechanism is arranged on the other side of the workbench, and a second clamping mechanism is arranged on one side of the moving mechanism.

The lifting mechanism is creatively designed, the first clamping mechanism can be driven to move up and down, the height can be reduced when the wood board to be processed is clamped, the wood board can be conveniently installed by a user, the labor intensity of the user is reduced, a larger overturning space is obtained after the first clamping mechanism is lifted, the wood board can be conveniently overturned, and the practicability of the wood board turnover mechanism is improved.

In the above wood board free turnover device, the power mechanism includes a motor, the motor is arranged at one end of the workbench, a power shaft is arranged at one end of the motor, a first gear is arranged at the other end of the power shaft, a second gear meshed with the first gear is arranged at one side of the first gear, a transmission shaft is connected in the second gear, a ratchet casing is arranged in the middle of the transmission shaft, a ratchet wheel is arranged in the ratchet casing, grooves are respectively arranged at two ends of the ratchet wheel, a support column is arranged in each groove, and a pawl is arranged on each support column.

In the above wood board free turnover device, the locking mechanism includes a locking wheel, the locking wheel is disposed at the other end of the transmission shaft, the two ends of the locking wheel are respectively provided with a clamping groove, one side of the locking wheel is provided with a holding type electromagnet, one end of the holding type electromagnet is provided with a clamping block, and when the clamping block moves to the side of the locking wheel, the front end of the clamping block is disposed in the clamping groove.

In foretell plank freely turning device, elevating system includes first crane, first crane locates workstation one end, be equipped with first guide rail in the first crane, be equipped with first lifting body in the first guide rail, first lifting body one end is equipped with the connecting block, first crane top is equipped with branch, be equipped with the band pulley on the branch, the ratchet shell other end is equipped with the swiveling wheel, swiveling wheel one end with the locking wheel links to each other, connecting block one end is equipped with the drive belt, locate in the middle of the drive belt the band pulley upside, the drive belt other end with swiveling wheel fixed connection and part coil in on the swiveling wheel.

In the above-mentioned plank freely turning device, the first clamping mechanism comprises a first clamping frame, the first clamping frame is arranged at the other side of the first lifting body, the other end of the first lifting body is provided with a first connecting post, a first spacing ring is arranged in the middle of the first connecting post, one end of the first clamping frame is provided with a first connecting pipe, a first spacing groove is arranged in the first connecting pipe, the first connecting post is arranged in the first connecting pipe, the first spacing ring is arranged in the first spacing groove, a first clamping plate is arranged in the first clamping frame, a plurality of first springs which are uniformly distributed are arranged between the first clamping plate and the inner wall of the first clamping frame, one side of the first clamping frame is provided with a first chute, a first baffle plate is arranged in the first chute, one end of the first baffle plate is provided with a first flat plate, and a second spring is arranged between the first flat plate and the inner wall of the first chute, first spout one end is equipped with first opening, the first baffle other end passes through first opening extends to first spout outer end.

In the above wood board free turnover device, the moving mechanism comprises a second lifting frame, the second lifting frame is arranged at the other end of the workbench, the other end of the workbench is provided with a limiting chute, the bottom end of the second lifting frame is provided with a limiting plate and arranged in the limiting chute, one end of the second lifting frame is provided with a threaded hole, a threaded rod is connected in the threaded hole, one end of the threaded rod is provided with a first key, a sleeve is arranged on one side of the threaded rod, a first key groove is arranged on the inner wall of the sleeve, one end of the threaded rod is arranged in the sleeve, the first key is arranged in the first key groove, the outer end of the sleeve is provided with a second key groove, one side of the workbench is provided with a cavity, a second key is arranged in the cavity, a third spring is arranged between the second key and the inner wall of the cavity, one end of the second key is arranged in the second key groove, and the other end of the sleeve extends to the outer end of the workbench and is provided with a handle.

In the above-mentioned plank freely turning device, the second clamping mechanism comprises a second lifting body, a second guide rail is arranged in the second lifting frame, the second lifting body is arranged in the second guide rail, one end of the second lifting body is provided with a second connecting post, a second spacing ring is arranged in the middle of the second connecting post, one side of the second connecting post is provided with a second connecting pipe, a second spacing groove is arranged in the second connecting pipe, the second spacing ring is arranged in the second spacing groove, the other end of the second connecting pipe is provided with a second clamping frame, a second clamping plate is arranged in the second clamping frame, a plurality of uniformly distributed fourth springs are arranged between the second clamping plate and the inner wall of the second clamping frame, one side of the second clamping frame is provided with a second chute, a second baffle plate is arranged in the second chute, and one end of the second baffle plate is provided with a second flat plate, and a fifth spring is arranged between the second flat plate and the inner wall of the second sliding groove, a second opening is formed in one end of the second sliding groove, and the other end of the second baffle plate extends to the outer end of the second sliding groove through the second opening.

In foretell plank freely turning device, be equipped with the dashpot in the middle of the workstation, dashpot one side is equipped with the buffer board, be equipped with a plurality of evenly distributed's dado in the dashpot, the buffer board lower extreme be equipped with the buffer tube of dado looks adaptation, the buffer tube is located in the dado, the buffer tube inner wall with be equipped with buffer spring between the dashpot inner wall.

Compared with the prior art, the invention has the advantages that:

1. the lifting mechanism can drive the first clamping mechanism to move up and down, the height can be reduced when the wood board to be processed is clamped, a user can conveniently install the wood board, the labor intensity of the user is reduced, a larger overturning space is obtained after the first clamping mechanism is lifted, the wood board can be conveniently overturned, and the practicability of the wood board overturning machine is improved.

2. The power mechanism can provide stable ascending power for the lifting mechanism, only provides unidirectional ascending power, the lifting mechanism descends by means of self gravity, energy consumption is reduced, meanwhile, the problem that the motor is driven to rotate reversely and break down in the descending process of the lifting mechanism is solved, and reliability of the lifting mechanism is improved.

3. The locking mechanism can lock the rotating wheel used as power when the lifting mechanism reaches a preset height to fix the position of the first lifting body, has simple and compact structure and stable working state, is not easy to damage, and improves the reliability of the lifting mechanism.

4. The moving mechanism can control the second lifting frame to move left and right on the workbench, the position of the second lifting frame is adjusted according to the length of the wood board to be processed, the application range of the wood board processing device is widened, and the moving mechanism has a self-locking function and high stability.

5. The first clamping mechanism and the second clamping mechanism can stably clamp the wood board to be processed, the clamping method is simple, the labor intensity of users is reduced, the wood board can be freely rotated, and the working efficiency of the users for processing the wood board is improved.

6. The buffer plate can provide a buffer effect for the wood board and each part moving up and down in the descending process of the processed wood board, prevent the wood board from colliding with the workbench to cause damage in the descending process, and prolong the service life of the wood board processing machine.

Drawings

FIG. 1 is a front view of the plank free-turning device provided by the present invention.

Fig. 2 is a rear view of the plank freely overturning device provided by the invention.

Fig. 3 is a partial sectional view of a section of a board freely overturning device A provided by the invention.

Fig. 4 is a partial sectional view of the section of the board freely overturning device B provided by the invention.

Fig. 5 is a partial sectional view of the section of the plank freely overturning device C provided by the invention.

Fig. 6 is a partial sectional view of the section of the plank freely overturning device D provided by the invention.

Fig. 7 is a partial sectional view of the section of the plank freely overturning device E provided by the invention.

In the figure, 1, a workbench; 2. a support leg; 3. a wood board; 4. a buffer plate; 5. a buffer tank; 6. a buffer tube; 7. protecting the wall; 8. a buffer spring; 10. a power mechanism; 11. an electric motor; 12. a power shaft; 13. a first gear; 14. a second gear; 15. a drive shaft; 16. a ratchet housing; 17. a ratchet wheel; 18. a groove; 19. a pillar; 20. a pawl; 24. a locking mechanism; 25. a locking wheel; 26. a card slot; 27. a holding electromagnet; 28. a clamping block; 30. a lifting mechanism; 31. a first lifting frame; 32. a first guide rail; 33. a first elevating body; 34. connecting blocks; 35. a strut; 36. a pulley; 37. a rotating wheel; 38. a transmission belt; 40. a first clamping mechanism; 41. a first holding frame; 42. a first connecting column; 43. a first limit ring; 44. a first connecting pipe; 45. a first limit groove; 46. a first splint; 47. a first spring; 48. a first chute; 49. a first baffle plate; 50. a first plate; 51. a second spring; 52. a first opening; 60. a moving mechanism; 61. a second lifting frame; 62. a limiting chute; 63. a limiting plate; 64. a threaded hole; 65. a threaded rod; 66. a first key; 67. a sleeve; 68. a first keyway; 69. a second keyway; 70. a cavity; 71. a second key; 72. a third spring; 73. a handle; 80. a second clamping mechanism; 81. a second lifting body; 82. a second guide rail; 83. a second connecting column; 84. a second stop collar; 85. a second connecting pipe; 86. a second limit groove; 88. a second holder; 89. a second splint; 90. a fourth spring; 91. a second chute; 92. a second baffle; 93. a second plate; 94. a fifth spring; 95. a second opening.

Detailed Description

As shown in fig. 1 and 2, the wood board freely turning device of the present invention comprises a workbench 1, four evenly distributed legs 2 are arranged at the bottom end of the workbench 1, a power mechanism 10 providing unidirectional transmission is arranged at the left end of the workbench 1, a locking mechanism 24 is arranged at the left end of the power mechanism 10, a lifting mechanism 30 is arranged at the left side of the workbench 1, the lifting mechanism 30 is connected with the power mechanism 10, a first clamping mechanism 40 is arranged at the right side of the lifting mechanism 30, a moving mechanism 60 is arranged at the right side of the workbench 1, and a second clamping mechanism 80 is arranged at the left side of the moving mechanism 60.

As shown in fig. 1 and 3, the power mechanism 10 includes a motor 11, the motor 11 is disposed at the left end of the workbench 1, a power shaft 12 is disposed at the right end of the motor 11, a first gear 13 is disposed at the right end of the power shaft 12, the first gear 13 rotates synchronously with the power shaft 12 through interference fit, a second gear 14 engaged with the first gear 13 is disposed at the rear side of the first gear 13, a transmission shaft 15 is connected inside the second gear 14, the second gear 14 rotates synchronously with the transmission shaft 15 through interference fit, a ratchet housing 16 is disposed in the middle of the transmission shaft 15, the ratchet housing 16 is rotatably connected with the transmission shaft 15, a ratchet 17 is disposed inside the ratchet housing 16, the ratchet 17 rotates synchronously with the transmission shaft 15 through interference fit, grooves 18 are disposed at two ends of the ratchet 17, a support column 19 is disposed inside the groove 18, and a. When the ratchet wheel 17 rotates forwards, the front end of the pawl 20 is attached to the inner wall of the groove 18, the outer end of the pawl 20 is attached to the inner wall of the ratchet wheel shell 16, when the ratchet wheel shell 16 rotates backwards, the rear end of the pawl 20 is attached to the inner wall of the groove 18, and the outer end of the pawl 20 is not in contact with the inner wall of the ratchet wheel shell 16. The power mechanism 10 can provide stable ascending power for the lifting mechanism 30, only provides power for one-way ascending, the lifting mechanism 30 descends by means of self gravity, energy consumption is reduced, meanwhile, the problem that the motor 11 is driven to rotate reversely and break down in the descending process of the lifting mechanism 30 is solved, and the reliability of the invention is improved.

The locking mechanism 24 comprises a locking wheel 25, the locking wheel 25 is arranged at the left end of the transmission shaft 15, the locking wheel 25 is rotatably connected with the transmission shaft 15, clamping grooves 26 are respectively formed in two ends of the locking wheel 25, a holding type electromagnet 27 is arranged on the rear side of the locking wheel 25, a clamping block 28 is arranged at the front end of the holding type electromagnet 27, and when the clamping block 28 moves towards the locking wheel 25, the front end of the clamping block 28 is arranged in the clamping groove 26. The locking mechanism 24 can lock the rotating wheel 37 as power when the lifting mechanism 30 reaches a predetermined height, and fix the position of the first lifting body 33, the locking mechanism 24 has a simple and compact structure, a stable working state and is not easy to damage, and the reliability of the invention is improved.

As shown in fig. 1, fig. 3 and fig. 4, the lifting mechanism 30 includes a first lifting frame 31, the first lifting frame 31 is provided at the left end of the workbench 1, a first guide rail 32 is provided in the first lifting frame 31, a first lifting body 33 is provided in the first guide rail 32, a connecting block 34 is provided at the left end of the first lifting body 33, a support rod 35 is provided at the top end of the first lifting frame 31, a belt pulley 36 is provided on the support rod 35, the belt pulley 36 is rotatably connected with the support rod 35 through a bearing, a rotating wheel 37 is provided at the left end of the ratchet housing 16, the left end of the rotating wheel 37 is connected with the locking wheel 25, the rotating wheel 37 is rotatably connected with the transmission shaft 15 through a bearing, a transmission belt 38 is provided at the upper end of the connecting block 34, the upper side of the belt. The lifting mechanism 30 can drive the first clamping mechanism 40 to move up and down, the height can be reduced when the wood board 3 to be processed is clamped, a user can conveniently install the wood board 3, the labor intensity of the user is reduced, a larger overturning space is obtained after the first clamping mechanism 40 is lifted, the wood board 3 can be conveniently overturned, and the practicability of the wood board clamping device is improved.

As shown in fig. 1 and 4, the first clamping mechanism 40 includes a first clamping frame 41, the first clamping frame 41 is disposed on the right side of the first lifting body 33, a first connecting column 42 is disposed at the right end of the first lifting body 33, a first limiting ring 43 is disposed in the middle of the first connecting column 42, a first connecting tube 44 is disposed at the left end of the first clamping frame 41, a first limiting groove 45 is disposed in the first connecting tube 44, the first connecting column 42 is rotatably connected to the first connecting tube 44, the first limiting ring 43 is disposed in the first limiting groove 45, a first clamping plate 46 is disposed in the first clamping frame 41, two first springs 47 uniformly distributed are disposed between the first clamping plate 46 and the inner wall of the first clamping frame 41, a first sliding groove 48 is disposed at the rear side of the first clamping frame 41, a first baffle 49 is disposed in the first sliding groove 48, a first flat plate 50 is disposed at the lower end of the first baffle 49, a second spring 51 is disposed between the first flat plate 50 and the inner wall of the first sliding, the first chute 48 is provided with a first opening 52 at the upper end thereof, and the first baffle plate 49 extends to the outer end of the first chute 48 through the first opening 52.

As shown in fig. 2 and 5, the moving mechanism 60 includes a second lifting frame 61, the second lifting frame 61 is arranged at the right end of the workbench 1, a limit chute 62 is arranged at the right end of the workbench 1, a limit plate 63 is arranged at the bottom end of the second lifting frame 61 and is arranged in the limit chute 62, a threaded hole 64 is arranged at the lower end of the second lifting frame 61, a threaded rod 65 is connected in the threaded hole 64, the threaded rod 65 is screwed with the threaded hole 64, a first key 66 is arranged at the right end of the threaded rod 65, a sleeve 67 is arranged at the right side of the threaded rod 65, a first key groove 68 is arranged on the inner wall of the sleeve 67, the right end of the threaded rod 65 is arranged in the sleeve 67, the first key 66 is arranged in the first key groove 68, a second key groove 69 is arranged at the outer end of the sleeve 67, a cavity 70 is arranged at the right side of the workbench 1, a second key 71 is arranged in the cavity 70, a third spring 72. The moving mechanism 60 can control the second lifting frame 61 to move left and right on the workbench, the position of the second lifting frame 61 is adjusted according to the length of the wood board 3 to be processed, the application range of the wood board processing device is widened, and the moving mechanism 60 has a self-locking function and high stability.

As shown in fig. 2 and 6, the second clamping mechanism 80 includes a second lifting frame 81, a second guide rail 82 is provided in the second lifting frame 61, the second lifting body 81 is provided in the second guide rail 82, a second connecting column 83 is provided at the right end of the second lifting body 81, a second limit ring 84 is provided in the middle of the second connecting column 83, a second connecting pipe 85 is provided at the right side of the second connecting column 83, the second connecting pipe 85 is rotatably connected with the second connecting column 83, a second limit groove 86 is provided in the second connecting pipe 85, the second limit ring 84 is provided in the second limit groove 86, a second clamping frame 88 is provided at the right end of the second connecting pipe 85, a second clamping plate 89 is provided in the second clamping frame 88, two uniformly distributed fourth springs 90 are provided between the second clamping plate 89 and the inner wall of the second clamping frame 88, a second chute 91 is provided at the rear side of the second clamping frame 88, a second baffle 92 is provided in the second chute 91, a second flat plate 93 is provided at the lower end of the second baffle, a fifth spring 94 is arranged between the second plate 93 and the inner wall of the second sliding chute 91, a second opening 95 is arranged at the upper end of the second sliding chute 91, and the upper end of the second baffle 92 extends to the outer end of the second sliding chute 91 through the second opening 95. The first clamping mechanism 40 and the second clamping mechanism 80 can stably clamp the wood board 3 to be processed, the clamping method is simple, the labor intensity of users is reduced, the wood board 3 can be freely rotated, and the working efficiency of the users for processing the wood board 3 is improved.

As shown in fig. 1 and 7, a buffer tank 5 is arranged in the middle of the workbench 1, a buffer board 4 is arranged on the upper side of the buffer tank 5, four protection walls 7 which are uniformly distributed are arranged in the buffer tank 5, a buffer pipe 6 matched with the protection walls 7 is arranged at the lower end of the buffer board 4, the buffer pipe 6 is arranged in the protection walls 7, and a buffer spring 8 is arranged between the inner wall of the buffer pipe 6 and the inner wall of the buffer tank 5. The buffer plate 4 can provide a buffer effect for the wood board 3 and each component moving up and down in the descending process of finishing processing the wood board 3, prevent the wood board 3 from colliding with the workbench 1 to cause damage in the descending process, and prolong the service life of the wood board processing device.

The specific operation mode of the specific embodiment of the invention is as follows: according to the length adjustment second crane 61's of waiting to process plank 3 position, the pull handle 73 makes second key 71 break away from with second keyway 69 outward, rotatory handle 73 drives the sleeve pipe 67 rotatory, the sleeve pipe 67 drives the threaded rod 65 rotatory through the cooperation of first key 66 with first keyway 68, threaded rod 65 orders about the second crane 61 through the cooperation with threaded rod 65 and moves about, accomplish the position adjustment back of second crane 61, the push handle 73 makes second key 71 block in the second keyway 69. The motor 11 and the holding type electromagnet 27 are connected with an external power supply, the holding type electromagnet 27 is controlled to drive the fixture block 28 to move backwards, the locking state of the locking wheel 25 is released, the first lifting body 33 falls to the bottom end of the first guide rail 32, the first baffle 49 and the second baffle 92 are pushed to move outwards, the wood board 3 to be processed is installed between the first clamping frame 41 and the second clamping frame 88, two ends of the wood board 3 are attached to the first clamping plate 46 and the second clamping plate 89, the front ends of the first baffle 49 and the second baffle 92 are attached to the rear end of the wood board 3, and the installation of the wood board 3 is completed. The motor 11 is started to rotate, the motor 11 drives the power shaft 12 to rotate, the power shaft 12 drives the transmission shaft 15 to rotate through the meshing relationship between the first gear 13 and the second gear 14, the transmission shaft 15 drives the ratchet wheel 17 to rotate positively, the pawl 20 on the ratchet wheel 17 drives the ratchet wheel shell 16 to rotate, the rotating wheel 37 connected with the ratchet wheel shell 16 rotates therewith, the rotating wheel 37 pulls the transmission belt 38 to drive the first lifting body 33 to lift, after the wood board 3 rises to a specified height, the holding type electromagnet 27 is opened while the motor 11 is closed to drive the clamping block 28 to move forwards, the front end of the clamping block 28 is clamped into the clamping groove 26 to lock the locking wheel 25, the rotating wheel 37 connected with the locking wheel 25 is locked therewith, and the position of the wood board 3.

The specific embodiments described herein are merely illustrative of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms buffer groove, buffer tube, retaining wall, pillar, groove, ratchet housing, ratchet, locking wheel, block, connecting block, first connecting post, first limiting ring, first plate, limiting runner, sleeve, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and they are to be interpreted as any additional limitation which is not in accordance with the spirit of the present invention.

Claims

1. The utility model provides a plank free turning device, includes workstation (1), workstation (1) bottom is equipped with a plurality of evenly distributed's landing leg (2), its characterized in that: the clamping device is characterized in that a power mechanism (10) providing one-way transmission is arranged at one end of the workbench (1), a locking mechanism (24) is arranged at one end of the power mechanism (10), a lifting mechanism (30) is arranged on one side of the workbench (1), the lifting mechanism (30) is connected with the power mechanism (10), a first clamping mechanism (40) is arranged on one side of the lifting mechanism (30), a moving mechanism (60) is arranged on the other side of the workbench (1), and a second clamping mechanism (80) is arranged on one side of the moving mechanism (60).

2. The board free turnover device of claim 1, wherein: power unit (10) include motor (11), motor (11) are located workstation (1) one end, motor (11) one end is equipped with power shaft (12), the power shaft (12) other end is equipped with first gear (13), first gear (13) one side be equipped with second gear (14) that first gear (13) meshed mutually, second gear (14) in-connection has transmission shaft (15), be equipped with ratchet shell (16) in the middle of transmission shaft (15), be equipped with ratchet (17) in ratchet shell (16), ratchet (17) both ends respectively are equipped with recess (18), be equipped with pillar (19) in recess (18), be equipped with pawl (20) on pillar (19).

3. The board free turnover device of claim 2, characterized in that: locking mechanical system (24) are including locking wheel (25), locking wheel (25) are located transmission shaft (15) other end, locking wheel (25) both ends respectively are equipped with draw-in groove (26), locking wheel (25) one side is equipped with hold formula electro-magnet (27), hold formula electro-magnet (27) one end is equipped with fixture block (28), when fixture block (28) is to locking wheel (25) side shift, fixture block (28) front end is located in draw-in groove (26).

4. The board free turnover device of claim 3, characterized in that: the lifting mechanism (30) comprises a first lifting frame (31), the first lifting frame (31) is arranged at one end of the workbench (1), a first guide rail (32) is arranged in the first lifting frame (31), a first lifting body (33) is arranged in the first guide rail (32), one end of the first lifting body (33) is provided with a connecting block (34), the top end of the first lifting frame (31) is provided with a support rod (35), a belt wheel (36) is arranged on the support rod (35), a rotating wheel (37) is arranged at the other end of the ratchet wheel shell (16), one end of the rotating wheel (37) is connected with the locking wheel (25), one end of the connecting block (34) is provided with a driving belt (38), the middle of the transmission belt (38) is arranged on the upper side of the belt wheel (36), and the other end of the transmission belt (38) is fixedly connected with the rotating wheel (37) and is partially wound on the rotating wheel (37).

5. The board free turnover device of claim 4, characterized in that: the first clamping mechanism (40) comprises a first clamping frame (41), the first clamping frame (41) is arranged on the other side of the first lifting body (33), a first connecting column (42) is arranged at the other end of the first lifting body (33), a first limiting ring (43) is arranged in the middle of the first connecting column (42), a first connecting pipe (44) is arranged at one end of the first clamping frame (41), a first limiting groove (45) is arranged in the first connecting pipe (44), the first connecting column (42) is arranged in the first connecting pipe (44), the first limiting ring (43) is arranged in the first limiting groove (45), a first clamping plate (46) is arranged in the first clamping frame (41), a plurality of first springs (47) which are uniformly distributed are arranged between the first clamping plate (46) and the inner wall of the first clamping frame (41), a first sliding groove (48) is arranged on one side of the first clamping frame (41), be equipped with first baffle (49) in first spout (48), first baffle (49) one end is equipped with first flat board (50), first flat board (50) with be equipped with second spring (51) between first spout (48) inner wall, first spout (48) one end is equipped with first opening (52), first baffle (49) other end passes through first opening (52) extend to first spout (48) outer end.

6. The board free turnover device of claim 1, wherein: moving mechanism (60) includes second crane (61), second crane (61) are located workstation (1) the other end, workstation (1) the other end is equipped with spacing spout (62), second crane (61) bottom is equipped with limiting plate (63) and locates in spacing spout (62), second crane (61) one end is equipped with screw hole (64), threaded hole (64) in-connection threaded rod (65), threaded rod (65) one end is equipped with first key (66), threaded rod (65) one side is equipped with sleeve pipe (67), sleeve pipe (67) inner wall is equipped with first keyway (68), threaded rod (65) one end is located in sleeve pipe (67), first key (66) are located in first keyway (68), sleeve pipe (67) outer end is equipped with second keyway (69), workstation (1) one side is equipped with cavity (70), be equipped with second key (71) in cavity (70), second key (71) with be equipped with third spring (72) between cavity (70) inner wall, second key (71) one end is located in second keyway (69), sleeve pipe (67) other end extends to workstation (1) outer end is equipped with handle (73).

7. The board free turnover device of claim 6, characterized in that: the second clamping mechanism (80) comprises a second lifting body (81), a second guide rail (82) is arranged in the second lifting frame (61), the second lifting body (81) is arranged in the second guide rail (82), one end of the second lifting body (81) is provided with a second connecting column (83), a second limiting ring (84) is arranged in the middle of the second connecting column (83), one side of the second connecting column (83) is provided with a second connecting pipe (85), a second limiting groove (86) is arranged in the second connecting pipe (85), the second limiting ring (84) is arranged in the second limiting groove (86), the other end of the second connecting pipe (85) is provided with a second clamping frame (88), a second clamping plate (89) is arranged in the second clamping frame (88), and a plurality of uniformly distributed fourth springs (90) are arranged between the second clamping plate (89) and the inner wall of the second clamping frame (88), second holding frame (88) one side is equipped with second spout (91), be equipped with second baffle (92) in second spout (91), second baffle (92) one end is equipped with the second flat board (93), second flat board (93) with be equipped with fifth spring (94) between second spout (91) inner wall, second spout (91) one end is equipped with second opening (95), second baffle (92) other end passes through second opening (95) extend to second spout (91) outer end.

8. The board free turnover device of claim 1, wherein: be equipped with dashpot (5) in the middle of workstation (1), dashpot (5) one side is equipped with buffer board (4), be equipped with a plurality of evenly distributed's dado (7) in buffer pot (5), buffer board (4) lower extreme be equipped with buffer tube (6) of dado (7) looks adaptation, buffer tube (6) are located in dado (7), buffer tube (6) inner wall with be equipped with buffer spring (8) between buffer pot (5) inner wall.