CN113427280B

CN113427280B - Multi-station workbench turnover device

Info

Publication number: CN113427280B
Application number: CN202110835062.4A
Authority: CN
Inventors: 王继文
Original assignee: Jiangsu Zhongkebohr Technology Co ltd
Current assignee: Jiangsu Zhongkebohr Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-04-12
Anticipated expiration: 2041-07-23
Also published as: CN113427280A

Abstract

The invention relates to the technical field of machining, in particular to a multi-station workbench turnover device which comprises a turnover mechanism and a transfer mechanism, wherein the transfer mechanism is provided with the turnover mechanism. The work table has long standby time during working, most of the time is spent in the clamping and taking-out process of the workpiece, the intermittent overturning structure of the multi-station overturning platform realizes the synchronous clamping, processing and taking-out functions of the workpiece, so that the working efficiency is improved, the automatic placing and taking-out functions of the workpiece on the overturning platform are realized by automatically conveying the workpiece to be processed and the workpiece which is finished to be processed by the conveying belt; the clamping device on the existing workbench has limited clamping working area, can not clamp workpieces of different specifications, and has poor practicability.

Description

Multi-station workbench turnover device

Technical Field

The invention relates to the technical field of machining, in particular to a multi-station workbench turnover device.

Background

The workbench is manufactured by adopting a high-quality cold-rolled plate precision work, a firm workbench frame is firm and stable, the workbench is suitable for various application occasions such as molds, benches, detection, maintenance, assembly and the like, has good corrosion resistance, dirt resistance, impact resistance and strong bearing capacity, and is frequently required to be used for processing workpieces such as welding, polishing and drilling in the manufacturing industry.

The existing workbench still has the following problems in the using process: a. when the work piece is processed by the workbench, the work piece needs to be clamped and fixed, and the work piece is taken out after the processing is finished, so that the work utilization rate of the workbench is not high, most of the time is spent in the clamping and taking-out process of the work piece, and meanwhile, the placing and taking-out of the work piece are mostly carried out manually, and the assembly line type automatic placing and taking-out cannot be carried out; b. the clamping device on the existing workbench has limited clamping work area, can not clamp workpieces of different specifications, and has poor practicability.

Disclosure of Invention

Technical problem to be solved

The invention provides a multi-station workbench turnover device which can solve the problems existing in the use process of the conventional workbench.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multistation workstation turning device, includes tilting mechanism and transport mechanism, transport mechanism on be provided with tilting mechanism.

Transport mechanism include riser, support frame, defeated branch chain, conveyer belt, output branch chain, No. two conveyer belts and base, riser quantity is two and be front and back symmetric distribution, the riser passes through the support frame and installs subaerial, the riser upper end is provided with defeated branch chain and defeated branch chain left side distribution and has a conveyer belt, the riser lower extreme is provided with output branch chain and output branch chain left side distribution and has No. two conveyer belts, subaerial base and the right side that the base is located output branch chain of installing.

The turnover mechanism comprises a rotating shaft, a supporting rod, a mounting seat, a turnover table, a clamping branched chain, a grooved wheel, a disc, an intermittent branched chain, a driving shaft, a turnover motor and an L-shaped frame, a rotating shaft is arranged between the vertical plates through a bearing, mounting seats are uniformly distributed on the outer side of the rotating shaft along the central circumference of the rotating shaft, the mounting seat is fixed on the outer side wall of the rotating shaft through a support rod, the end surface of the mounting seat far away from the rotating shaft is provided with a turnover table, the overturning platform is of a hollow shell structure, a clamping branched chain is arranged on the overturning platform, a grooved pulley is arranged at one end of the rotating shaft through a spline, the grooved wheel is matched with the disc, the disc is arranged on a driving shaft, two ends of the driving shaft are respectively arranged on the vertical plate and the L-shaped frame through bearings, the L-shaped frame is fixed on the vertical plate, a gap branched chain is arranged on the disc, the rotating shaft is connected with the output end of the turnover motor through a coupler, and the turnover motor is installed on the L-shaped frame through a motor base.

Preferably, the clamping branched chain comprises a clamping block, a sliding groove, a screw rod, an auxiliary block, a driven bevel gear, a driving bevel gear, a clamping shaft and a clamping motor, the end surface of the overturning platform far away from the mounting seat is provided with sliding grooves along the symmetrical circumference direction, clamping blocks are arranged in the sliding grooves in a sliding manner, one end of the clamping block, which is positioned in the overturning platform, is in threaded connection with a screw rod, two ends of the screw rod are respectively arranged on the overturning platform and the auxiliary block through bearings, the auxiliary block is fixed in the overturning platform, a driven bevel gear is arranged at one end of the screw rod facing the auxiliary block, a clamping shaft is arranged in the overturning platform through a bearing, a driving bevel gear is arranged on the clamping shaft, a plurality of driven bevel gears are meshed with the same driving bevel gear, the end face, facing the mounting seat, of the overturning platform is provided with a clamping motor through a motor base, and the output end of the clamping motor is connected with a clamping shaft through a coupler.

Preferably, grip block upper end install elastically flexible fixed column, the fixed column rotates and installs the rolling disc, fixed column lateral wall evenly mounted has elastically flexible ball, the rolling disc inside wall evenly is provided with the recess that cooperates with the elastically flexible ball, a grip slipper and No. two grip slippers are installed to the rolling disc lateral wall, a grip slipper and No. two grip slippers are U type structure and the two lower extreme is the rectangle structure, a grip slipper upper end also is the slope structure for rectangle structure and its upper end downside, No. two grip slipper upper ends are the slope structure for arc structure and its upper end downside, the terminal surface parallel and level that axis of rotation one side was kept away from to a grip slipper and No. two grip slipper lower extremes all slide to set up in the spout and two bottom up end and roll-over table.

Preferably, the intermittent type branch include rotation groove, arc wall, set-square and dwang, rotation groove and arc wall have evenly been seted up along rotation axis center circumference to the sheave, arc wall and rotation groove are crisscross distribution, the sheave passes through arc wall and disc lateral wall sliding fit, seted up the recess on the disc, the central point that disc rear end is fixed with set-square and is located the recess puts the department, the dwang is installed to the one end that the disc was kept away from to the set-square, dwang and rotation groove sliding fit.

Preferably, the input branch chain comprises a fixing frame, a conveying plate and a supporting spring, the fixing frame is fixedly mounted at the upper end of the vertical plate, the conveying plate is rotatably mounted at the upper end of the fixing frame and is obliquely arranged in a manner that the conveying plate is higher at the left end and the lower at the right end, and the supporting spring is connected between the conveying plate and the fixing frame.

Preferably, the output branch chain include link, guide board and jacking spring, the equal fixed mounting in riser lower extreme both sides has the link, is located the riser left the link lower extreme rotates and installs the guide board, the guide board with be located the riser right side be connected with the jacking spring between the link, the guide board is the high slope setting in the low right side in a left side.

Preferably, the guide plate up end be provided with the buffer layer, guide plate up end and delivery board up end all are provided with the gyro wheel, are located the guide plate upper end the gyro wheel surface also is provided with the buffer layer.

Preferably, the poking rods are arranged on two sides of the overturning platform, so that the problems that the conveying plate collides with the overturning platform and the guide plate collides with the overturning platform when the overturning platform rotates are solved through the poking rods.

(III) advantageous effects

1. The invention replaces the workbench by the overturning platform, realizes the synchronous clamping, processing and taking-out functions of the workpiece through the intermittent overturning structure of the multi-station overturning platform, thereby improving the working efficiency.

2. The turnover mechanism can enable the rotating shaft to rotate intermittently through the intermittent branched chain, the synchronous intermittent rotation function of the multi-station turnover table is realized, the clamping, the processing and the taking-out of the workpiece on the turnover table are synchronously carried out, and the working efficiency is improved.

3. The transfer mechanism enables the workpieces on the first conveying belt to automatically fall onto the turnover table through the input branched chain, and meanwhile, the workpieces which are processed on the turnover table are automatically placed and taken out through the output branched chain conveying belt on the second conveying belt.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a schematic view of the turnover mechanism of the present invention.

Figure 4 is a front view of the sheaves, discs and intermittent branches of the present invention.

Fig. 5 is a partial enlarged view of the invention at a in fig. 2.

Fig. 6 is an enlarged view of a portion of the invention at C in fig. 5.

Fig. 7 is an enlarged view of a portion of the invention at D in fig. 3.

Fig. 8 is a partial enlarged view of the invention at B in fig. 2.

In the figure: 1. a turnover mechanism; 11. a rotating shaft; 12. a support bar; 13. a mounting seat; 14. a turning table; 14a, a poke rod; 15. clamping the branched chain; 151. a clamping block; 15a, fixing columns; 15b, a rotating disc; 15c, an elastic telescopic ball; 15e, a first clamping seat; 15f, a second clamping seat; 152. a chute; 153. a screw rod; 154. an auxiliary block; 155. a driven bevel gear; 156. a drive bevel gear; 157. a clamping shaft; 158. a clamping motor; 16. a grooved wheel; 17. a disc; 18. intermittent branching; 181. a rotating groove; 182. an arc-shaped slot; 183. a set square; 184. rotating the rod; 19. a drive shaft; 110. turning over a motor; 111. an L-shaped frame; 2. a transfer mechanism 21, a vertical plate; 22. a support frame; 23. inputting branched chains; 231. a fixed mount; 232. a conveying plate; 233. a support spring; 24. a first conveying belt; 25. an output branch chain; 251. a connecting frame; 252. a guide plate; 253. a jacking spring; 26. a second conveying belt; 27. a base; 25a, a buffer layer; 25b, a roller.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1 and 2, the multi-station workbench turnover device comprises a turnover mechanism 1 and a transfer mechanism 2, wherein the transfer mechanism 2 is provided with the turnover mechanism 1.

Referring to fig. 1 and 2, the transfer mechanism 2 includes a vertical plate 21, a support frame 22, an input branch chain 23, a first conveyor belt 24, an output branch chain 25, a second conveyor belt 26 and a base 27, the number of the vertical plates 21 is two, the vertical plates 21 are symmetrically distributed in the front and back direction, the vertical plate 21 is installed on the ground through the support frame 22, the input branch chain 23 is arranged at the upper end of the vertical plate 21, the first conveyor belt 24 is distributed on the left side of the input branch chain 23, the output branch chain 25 is arranged at the lower end of the vertical plate 21, the second conveyor belt 26 is distributed on the left side of the output branch chain 25, the base 27 is installed on the ground, and the base 27 is located on the right side of the output branch chain 25; during specific work, a workpiece is conveyed on the first conveying belt 24, when the workpiece is conveyed to the rightmost end, the workpiece is conveyed to the turnover mechanism 1 through the input branch chain 23, then the workpiece is rotated to the right end and is processed through the processing device on the base 27, after the processing is finished, the workpiece is rotated to the lower end, and then the workpiece is conveyed to the second conveying belt 26 through the output branch chain 25.

Referring to fig. 1 and 2, the input branched chain 23 includes a fixing frame 231, a conveying plate 232 and a supporting spring 233, the fixing frame 231 is fixedly installed at the upper end of the vertical plate 21, the conveying plate 232 is rotatably installed at the upper end of the fixing frame 231, the conveying plate 232 is obliquely arranged with the left higher and the right lower, and the supporting spring 233 is connected between the conveying plate 232 and the fixing frame 231; during specific work, when a workpiece on the first conveying belt 24 moves to the right end, the workpiece moves to the turnover table 14 along the inclined conveying plate 232, the automatic workpiece placing function is achieved, then the clamping branched chain 15 clamps and fixes the workpiece on the turnover table 14, when the rotating shaft 11 drives the turnover table 14 to rotate synchronously, the poking rod 14a on one side of the turnover table 14 can lift the conveying plate 232 upwards, and the problem that the turnover table 14 collides with the conveying plate 232 when rotating is avoided.

Referring to fig. 1 and 2, the output branched chain 25 includes a connecting frame 251, a guide plate 252 and a jacking spring 253, the connecting frame 251 is fixedly installed on both sides of the lower end of the vertical plate 21, the guide plate 252 is rotatably installed at the lower end of the connecting frame 251 located on the left side of the vertical plate 21, the jacking spring 253 is connected between the guide plate 252 and the connecting frame 251 located on the right side of the vertical plate 21, and the guide plate 252 is obliquely arranged in a manner that the left side is lower than the right side; during specific work, when the workpiece on the overturning platform 14 is machined and then rotates to the lowest end, the clamping branched chain 15 loosens the clamping and fixing of the workpiece, so that the workpiece falls onto the guide plate 252 and moves onto the second conveying belt 26, when the rotating shaft 11 drives the overturning platform 14 to synchronously rotate, the poking rod 14a on one side of the overturning platform 14 presses the guide plate 252 downwards, and the problem that the overturning platform 14 collides with the guide plate 252 when rotating is avoided.

Referring to fig. 5 and 8, the upper end surface of the guide plate 252 is provided with a buffer layer 25a, the upper end surfaces of the guide plate 252 and the transport plate 232 are provided with rollers 25b, the surface of the roller 25b positioned at the upper end of the guide plate 252 is also provided with the buffer layer 25a, when a workpiece falls onto the guide plate 252, the workpiece can collide with the upper end of the guide plate 252 and the rollers 25b thereon, which easily causes damage to the workpiece, the guide plate 252 and the rollers 25b on the guide plate 252, and the transport plate 232 and the guide plate 252 are provided with the rollers 25b, so that friction between the workpiece and the transport plate 232 and between the workpiece and the guide plate 252 is reduced, and smooth movement of the workpiece is ensured.

Referring to fig. 1, 2 and 3, the turnover mechanism 1 includes a rotation shaft 11, a support rod 12, a mounting seat 13, a turnover table 14, a clamping branched chain 15, a grooved pulley 16, a disc 17, an intermittent branched chain 18, a drive shaft 19, a turnover motor 110 and an L-shaped frame 111, the rotation shaft 11 is installed between the vertical plates 21 through a bearing, the mounting seats 13 are uniformly distributed on the outer side of the rotation shaft 11 along the central circumferential direction thereof, the mounting seat 13 is fixed on the outer side wall of the rotation shaft 11 through the support rod 12, the turnover table 14 is installed on the end surface of the mounting seat 13 far away from the rotation shaft 11, the turnover table 14 is of a hollow shell structure, the clamping branched chain 15 is arranged on the turnover table 14, the grooved pulley 16 is installed on one end of the rotation shaft 11 through a spline, the grooved pulley 16 is matched with the disc 17 and the disc 17 is installed on the drive shaft 19, two ends of the drive shaft 19 are respectively installed on the vertical plate 21 and the L-shaped frame 111 through bearings, the L-shaped frame 111 is fixed on the vertical plate 21, a gap branched chain is arranged on the disc 17, the rotating shaft 11 is connected with the output end of the turnover motor 110 through a coupler, and the turnover motor 110 is installed on the L-shaped frame 111 through a motor base; in particular, under the action of the turnover motor 110, the rotating shaft 11 is intermittently rotated between the disc 17 and the grooved pulley 16 through the intermittent branched chain 18, thereby realizing the function that the overturning platform 14 arranged on the mounting seat 13 synchronously and intermittently rotates through the rotating shaft 11, when the workpiece on the overturning platform 14 at the right end of the rotating shaft 11 is processed, the workpiece on the first conveying belt 24 moves to the overturning platform 14 at the upper end of the rotating shaft 11 through the input branched chain 23, then the workpiece is clamped and fixed through the clamping branched chain 15 on the overturning platform 14, the workpiece on the overturning platform 14 at the lower end of the rotating shaft 11 is conveyed to a second conveying belt 26 through the output branched chain 25, therefore, the invention can realize the automatic clamping, fixing, taking out and automatic processing functions of the workpiece, meanwhile, when the workpiece is machined, the functions of automatically taking out the machined workpiece and clamping and fixing the unmachined workpiece can be realized.

The poking rods 14a are arranged on both sides of the overturning platform 14, so that the problems that the conveying plate 232 collides with the overturning platform 14 and the guide plate 252 collides with the overturning platform 1 when the overturning platform 14 rotates are solved through the poking rods 14 a.

Referring to fig. 3 and 5, the clamping branched chain 15 includes a clamping block 151, a sliding groove 152, a screw rod 153, an auxiliary block 154, a driven bevel gear 155, a driving bevel gear 156, a clamping shaft 157 and a clamping motor 158, the sliding groove 152 is symmetrically formed along the center of the end surface of the overturning platform 14 far away from the mounting base 13, the clamping block 151 is slidably disposed in the sliding groove 152, one end of the clamping block 151 located inside the overturning platform 14 is connected with the screw rod 153 in a threaded manner, two ends of the screw rod 153 are respectively mounted on the overturning platform 14 and the auxiliary block 154 through bearings, the auxiliary block 154 is fixed in the overturning platform 14, one end of the screw rod 153 facing the auxiliary block 154 is mounted with the driven bevel gear 155, the clamping shaft 157 is mounted in the overturning platform 14 through a bearing, the driving bevel gear 156 is mounted on the clamping shaft 157, and a plurality of the driven bevel gears 155 are engaged with the same driving bevel gear 156, the end face, facing the mounting base 13, of the overturning platform 14 is provided with a clamping motor 158 through a motor base, and the output end of the clamping motor 158 is connected with a clamping shaft 157 through a coupler; when the turnover mechanism 1 works specifically, the clamping motor 158 drives the driven bevel gear 155 to rotate through the driving bevel gear 156, and then the screw rod 153 synchronously rotates to enable the clamping block 151 to slide in the sliding groove 152, so that the function that the clamping block 151 clamps and fixes workpieces on the turnover table 14 is realized, and the workpieces on the turnover table 14 can be processed subsequently.

Referring to fig. 3, 6 and 7, the upper end of the clamping block 151 is provided with an elastically extensible fixing post 15a, the fixed column 15a is rotatably provided with a rotating disc 15b, the outer side wall of the fixed column 15a is uniformly provided with an elastic telescopic ball 15c, the inner side wall of the rotating disc 15b is uniformly provided with grooves matched with the elastic telescopic balls 15c, a first clamping seat 15e and a second clamping seat 15f are arranged on the outer side wall of the rotating disc 15b, the first clamping seat 15e and the second clamping seat 15f are both U-shaped structures, the lower ends of the first clamping seat and the second clamping seat are both rectangular structures, the upper end of the first clamping seat 15e is also of a rectangular structure, the lower side surface of the upper end of the first clamping seat is of an inclined structure, no. two grip slipper 15f upper ends are the arc structure and its upper end downside is the slope structure, grip slipper 15e and No. two grip slipper 15f lower extreme all slide to set up in spout 152 and the terminal surface parallel and level of axis of rotation 11 one side is kept away from to two bottom up end and roll-over table 14. According to the invention, the rotating disc 15b can move upwards through the elastically telescopic fixed column 15a, so that the lower ends of the first clamping seat 15e and the second clamping seat 15f are separated from the sliding groove 152, then the first clamping seat 15e and the second clamping seat 15f are driven to synchronously rotate by rotating the rotating disc 15b, when the workpiece is rectangular, the workpiece is clamped and fixed through the first clamping seat 15e, and when the workpiece is in a circular structure, the workpiece is clamped and fixed through the second clamping seat 15 f.

Referring to fig. 3 and 4, intermittent type branch 18 including rotating groove 181, arc wall 182, set square 183 and dwang 184, rotation groove 181 and arc wall 182 have evenly been seted up along 11 central circumference of axis of rotation to sheave 16, arc wall 182 and rotation groove 181 are crisscross distribution, sheave 16 passes through arc wall 182 and disc 17 lateral wall sliding fit, set up flutedly on the disc 17, disc 17 rear end is fixed with set square 183 and is located the central point department of recess, the dwang 184 is installed to the one end that disc 17 was kept away from to set square 183, dwang 184 and rotation groove 181 sliding fit. During specific work, the turnover motor 110 drives the disc 17 to rotate through the driving shaft 19, so that the outer side wall of the disc 17 is in sliding fit with the arc-shaped groove 182 of the grooved pulley 16, it is ensured that the rotating shaft 11 remains stable and immovable, meanwhile, the disc 17 drives the set square 183 to synchronously move so that the rotating rod 184 moves towards the rotating groove 181 of the grooved pulley 16, the grooved pulley 16 can be driven to rotate when the rotating rod 184 moves into the rotating groove 181, finally, the rotating shaft 11 drives the turnover table 14 to synchronously rotate, the intermittent rotation of the turnover table 14 is realized, so that the workpiece clamping process on the turnover table 14 can be synchronously performed and the circumferential circulation can be synchronously performed in the machining process and the taking-out process, and the function of batch machining is realized.

The invention comprises the following working steps:

the first step is as follows: the rotating shaft 11 is intermittently rotated through the intermittent branched chain 18, so that the function of synchronous intermittent rotation of the overturning platform 14 is realized;

the second step is that: when a workpiece on the first conveying belt 24 moves to the overturning platform 14 at the upper end of the rotating shaft 11 through the input branched chain 23 and is clamped and fixed through the clamping branched chain 15, meanwhile, the machining device on the base 27 machines the workpiece on the overturning platform 14 at the right end of the rotating shaft 11, and the workpiece at the lower end of the rotating shaft 11 is conveyed to the second conveying belt 26 through the output branched chain 25, so that the clamping process, the machining process and the taking-out process of the workpiece are synchronously carried out, and the working efficiency is improved.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multistation workstation turning device, includes tilting mechanism (1) and transport mechanism (2), its characterized in that: the transfer mechanism (2) is provided with a turnover mechanism (1); wherein:

the transfer mechanism (2) comprises a vertical plate (21), a support frame (22), an input branch chain (23), a first conveying belt (24), an output branch chain (25), a second conveying belt (26) and a base (27), wherein the number of the vertical plate (21) is two, the vertical plate (21) is symmetrically distributed front and back, the vertical plate (21) is installed on the ground through the support frame (22), the input branch chain (23) is arranged at the upper end of the vertical plate (21), the first conveying belt (24) is distributed on the left side of the input branch chain (23), the output branch chain (25) is arranged at the lower end of the vertical plate (21), the second conveying belt (26) is distributed on the left side of the output branch chain (25), the base (27) is installed on the ground, and the base (27) is located on the right side of the output branch chain (25);

the turnover mechanism (1) comprises a rotation shaft (11), a support rod (12), a mounting seat (13), a turnover table (14), a clamping branch chain (15), a grooved pulley (16), a disc (17), an intermittent branch chain (18), a drive shaft (19), a turnover motor (110) and an L-shaped frame (111), wherein the rotation shaft (11) is installed between vertical plates (21) through a bearing, the mounting seat (13) is uniformly distributed on the outer side of the rotation shaft (11) along the central circumferential direction thereof, the mounting seat (13) is fixed on the outer side wall of the rotation shaft (11) through the support rod (12), the turnover table (14) is installed on the end face, far away from the rotation shaft (11), of the mounting seat (13), the turnover table (14) is of a hollow shell structure, the clamping branch chain (15) is arranged on the turnover table (14), the grooved pulley (16) is installed at one end of the rotation shaft (11) through a spline, the grooved pulley (16) is matched with the disc (17), the disc (17) is installed on the driving shaft (19), two ends of the driving shaft (19) are respectively installed on a vertical plate (21) and an L-shaped frame (111) through bearings, the L-shaped frame (111) is fixed on the vertical plate (21), a gap branched chain is arranged on the disc (17), the rotating shaft (11) is connected with the output end of the turnover motor (110) through a coupler, and the turnover motor (110) is installed on the L-shaped frame (111) through a motor base;

the clamping branched chain (15) comprises a clamping block (151), a sliding groove (152), a screw rod (153), an auxiliary block (154), a driven bevel gear (155), a driving bevel gear (156), a clamping shaft (157) and a clamping motor (158), the sliding groove (152) is symmetrically formed in the end face, far away from the mounting seat (13), of the overturning platform (14) along the center of the overturning platform, the clamping block (151) is arranged in the sliding groove (152) in a sliding mode, the screw rod (153) is connected to one end, located inside the overturning platform (14), of the clamping block (151) in a threaded mode, the two ends of the screw rod (153) are respectively installed on the overturning platform (14) and the auxiliary block (154) through bearings, the auxiliary block (154) is fixed in the overturning platform (14), the driven bevel gear (155) is installed at one end, facing the auxiliary block (154), of the screw rod (153), and the clamping shaft (157) is installed in the overturning platform (14) through bearings, a driving bevel gear (156) is mounted on the clamping shaft (157), a plurality of driven bevel gears (155) are meshed with the same driving bevel gear (156), a clamping motor (158) is mounted on the end face, facing the mounting base (13), of the overturning platform (14) through a motor base, and the output end of the clamping motor (158) is connected with the clamping shaft (157) through a coupler;

grip block (151) upper end install fixed column (15a) that can elastically stretch out and draw back, fixed column (15a) are rotated and are installed rolling disc (15b), fixed column (15a) lateral wall evenly mounted has elastic expansion ball (15c), rolling disc (15b) inside wall evenly is provided with the recess with elastic expansion ball (15c) matched with, rolling disc (15b) lateral wall is installed No. one grip slipper (15e) and No. two grip slipper (15f), grip slipper (15e) and No. two grip slipper (15f) are U type structure and both lower extremes are the rectangle structure, grip slipper (15e) upper end also is the rectangle structure and its upper end downside is the slope structure, No. two grip slipper (15f) upper end is the arc structure and its upper end downside is the slope structure, grip slipper (15e) and No. two grip slipper (15f) lower extreme all slide to set up in spout (152) and on the two bottoms and the end surface is flush with the end surface of one side of the overturning platform (14) far away from the rotating shaft (11).

2. The multi-station workbench turnover device according to claim 1, characterized in that: intermittent type branch (18) including rotating groove (181), arc wall (182), set square (183) and dwang (184), rotation groove (181) and arc wall (182) have evenly been seted up along rotation axis (11) center circumference in sheave (16), arc wall (182) and rotation groove (181) are crisscross distribution, sheave (16) are through arc wall (182) and disc (17) lateral wall sliding fit, set up flutedly on disc (17), disc (17) rear end is fixed with set square (183) and is located the central point department of putting of recess, dwang (184) are installed to the one end that disc (17) were kept away from in set square (183), dwang (184) and rotation groove (181) sliding fit.

3. The multi-station workbench turnover device according to claim 1, characterized in that: defeated branch chain (23) including mount (231), delivery board (232) and supporting spring (233), riser (21) upper end fixed mounting has mount (231), mount (231) upper end is rotated and is installed delivery board (232) and for the slope setting of high right end in a left side, be connected with supporting spring (233) between delivery board (232) and mount (231).

4. A multi-station workbench turning apparatus according to claim 3, wherein: output branch chain (25) including link (251), guide board (252) and jacking spring (253), the equal fixed mounting in riser (21) lower extreme both sides has link (251), is located riser (21) left link (251) lower extreme rotates installs guide board (252), guide board (252) and being located riser (21) right side be connected with jacking spring (253) between link (251), guide board (252) are the high slope setting in the low right side in a left side.

5. The multi-station workbench turnover device of claim 4, wherein: the guide plate (252) up end be provided with buffer layer (25a), guide plate (252) up end and delivery board (232) up end all are provided with gyro wheel (25b), are located guide plate (252) upper end gyro wheel (25b) surface also is provided with buffer layer (25 a).

6. The multi-station workbench turnover device according to claim 1, characterized in that: both sides of the overturning platform (14) are provided with poking rods (14 a).