CN216213977U

CN216213977U - Lifting self-locking mechanism

Info

Publication number: CN216213977U
Application number: CN202122731407.XU
Authority: CN
Inventors: 黄向前; 陈冲; 谢斌
Original assignee: Wuxi Greenstone Technology Co ltd
Current assignee: Wuxi Greenstone Technology Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-05
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a lifting self-locking mechanism, which comprises a supporting plate, two groups of lifting mechanisms and a plurality of groups of self-locking injection mechanisms, wherein the plurality of groups of self-locking injection mechanisms are neatly and uniformly arranged in a line on the supporting plate, and the two groups of lifting mechanisms are respectively positioned at two sides of the plurality of groups of self-locking injection mechanisms; each group of self-locking injection mechanisms comprises an injection mechanism, and self-locking mechanisms and driving mechanisms which are symmetrically arranged at two sides of the injection mechanism, and the driving mechanism at the same side in each group of self-locking injection mechanisms is fixedly connected with the lifting mechanism at the side. The driving mechanism can drive the self-locking mechanism and the injection mechanism to descend to inject the electrolyte after contacting the self-locking mechanism, and when the driving mechanism does not contact the self-locking mechanism, the self-locking mechanism is self-locked, and the injection mechanism does not descend. The utility model can independently control the lifting of each injection mechanism, and the battery can inject the electrolyte normally without injecting abnormally, so the action is stable and reliable, and the production efficiency of the liquid injection work can be improved.

Description

Lifting self-locking mechanism

Technical Field

The utility model relates to the field of mechanical automation, in particular to a lifting self-locking mechanism.

Background

Mechanical automation is a very efficient production and processing mode, workpieces are processed and assembled step by utilizing an automatic assembly line, and finally finished products are produced and are commonly used for processing and assembling electronic equipment. The battery is electronic equipment's components and parts commonly used, and the production of battery often goes on through automatic assembly line, including a plurality of steps, at first through lamination technology or around the naked electric core of roll manufacturing, the naked electric core of preparation is wrapped up the plastic-aluminum membrane and is capsulated, then waits to pour into electrolyte into, need pull open the plastic-aluminum membrane during injection electrolyte and just can go on. Electrolyte injection mechanism on current automatic assembly line, though can carry out the injection of electrolyte to a plurality of naked electric cores simultaneously, but all notes liquid needles can only go up and down in step, if meet the condition that the aluminium-plastic film that has individual naked electric core in a batch of naked electric core has not torn and can not inject electrolyte, then all the other normal naked electric cores of tearing the aluminium-plastic film of this batch also can't be injected, lead to annotating liquid work efficiency low, can't satisfy the demand that every notes liquid needle goes up and down of annotating of independent control.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a lifting self-locking mechanism which can independently control the lifting of each liquid injection needle and improve the liquid injection working efficiency.

In order to realize the purpose, the utility model adopts the technical scheme that:

a lifting self-locking mechanism comprises a supporting plate, two groups of lifting mechanisms and a plurality of groups of self-locking injection mechanisms, wherein the groups of self-locking injection mechanisms are arranged on the supporting plate in a row, and the two groups of lifting mechanisms are respectively positioned on two sides of the groups of self-locking injection mechanisms; each group of lifting mechanisms comprises an electric cylinder, a pressing plate and a first guide shaft, wherein the bottom of the first guide shaft is fixed on the supporting plate, the pressing plate is sleeved on the first guide shaft, the electric cylinder is fixed on the pressing plate, and the pressing plate is driven to move up and down along the first guide shaft; each group of self-locking injection mechanisms comprises an injection mechanism, and self-locking mechanisms and driving mechanisms which are symmetrically arranged on two sides of the injection mechanism, each injection mechanism comprises an injector, an injector fixing plate and an injection needle, the injectors are fixed on the injector fixing plates, the injection needles are arranged at the bottoms of the injectors, penetrate through the injector fixing plates and penetrate through injection holes in the supporting plates, and two ends of the injector fixing plates are fixedly connected with the self-locking mechanisms respectively; the driving mechanism comprises an air cylinder and a driving block, and the air cylinders in the driving mechanisms on the same side in each group of self-locking injection mechanisms are all fixed at the bottom of the pressure plate of the lifting mechanism on the side; when the device works, the battery is positioned below the liquid injection needle of each group of self-locking injection mechanisms, the battery state is normal, the electrolyte injection can be carried out in each group, the cylinder extends out to drive the driving block to be contacted with the self-locking mechanisms, the self-locking function of the self-locking mechanisms is closed, the driving block is driven by the cylinder to drive the self-locking mechanisms and the injection mechanisms to move up and down together in the process that the electric cylinder drives the pressure plate to move up and down, and the liquid injector finishes the injection of the battery electrolyte through the liquid injection needle; in each group which cannot inject electrolyte when the battery is in abnormal state, the air cylinder retracts to drive the driving block to be separated from the self-locking mechanism, the self-locking function of the self-locking mechanism is started, and the self-locking mechanism and the injection mechanism do not displace and do not inject electrolyte when the electric cylinder drives the pressing plate to move up and down.

The self-locking mechanism comprises a second guide shaft, a self-locking block, a fixed block, a sliding block, a spring fixed block, a connecting plate, a spring, a sliding plate and a connecting column, the bottom of the second guide shaft is fixed on the supporting plate, the sliding plate is sleeved on the second guide shaft in a penetrating manner, the sliding plate is provided with a sliding rail, the sliding block is arranged on the sliding rail, the front end of the sliding block is thin, the rear end of the sliding block is thick, the front end of the sliding block faces the driving mechanism, the tail end of the sliding block is provided with the spring, the spring is fixed on the spring fixed block, the spring fixed block is fixed on the top of one side, away from the driving mechanism, of the sliding plate, the bottom of one side, away from the driving mechanism, of the sliding plate is fixedly connected with the top of the connecting plate, the bottom of the connecting plate is fixed at one end of the liquid injector fixed plate, and one side, close to the driving mechanism, of the sliding plate is provided with the connecting column; a fixed block is arranged at the top of the second guide shaft, a self-locking block is arranged on one side, close to the driving mechanism, of the fixed block, a through hole is formed in the middle of the self-locking block, and an opening is formed in the bottom of the self-locking block; the sliding block is sleeved in the through hole of the self-locking block in a penetrating way, and the width of the through hole of the self-locking block is larger than that of the rear end of the sliding block and larger than that of the bottom opening of the self-locking block and larger than that of the front end of the sliding block; the upper part of one side of the driving block close to the self-locking mechanism is provided with a bulge for propping the front end of the sliding block to compress the spring, and the lower part of one side of the driving block close to the self-locking mechanism is provided with a groove matched with the connecting column in size; when the cylinder extends out to drive the driving block to contact the self-locking mechanism, the bulge of the driving block props against the front end of the sliding block and compresses the spring, so that the front end of the sliding block is aligned with the bottom opening of the self-locking block, meanwhile, the groove of the driving block clamps the connecting column and drives the sliding plate to move downwards along the second guide shaft, at the moment, the front end of the sliding block moves downwards to penetrate through the bottom opening of the self-locking block, the sliding block does not have a self-locking effect on the self-locking block and does not influence the sliding plate to drive the injection mechanism to move upwards and downwards together; when the cylinder retracts to the driving block and does not contact the self-locking mechanism, the spring automatically extends and pushes the sliding block to approach the self-locking mechanism, the rear end of the sliding block is clamped on the bottom opening of the self-locking block to achieve the self-locking effect, the sliding plate cannot move up and down at the moment, and the injection mechanism is kept still.

The piston rod of the air cylinder is fixedly connected with the connecting block, the connecting block is fixedly connected with the driving block, and the air cylinder drives the driving block to move through the connecting block.

The clamp plate is including wearing top board and the lower plate of cover on first guiding axle, and the upper surface central point that the electricity jar was fixed at the top board puts, and the lower plate is located the top board below to with top board fixed connection, the cylinder among the multiunit auto-lock injection mechanism evenly sets up along the length direction of lower plate, and fixes the bottom at the lower plate.

Compared with the prior art, the utility model has the following beneficial effects:

the lifting self-locking mechanism provided by the utility model can realize independent control of the lifting of each liquid injection needle, and can meet the independent control of a plurality of liquid injection needles, when a battery which can not inject electrolyte is abnormal in the same batch of batteries, the corresponding self-locking mechanism is self-locked, the liquid injection needle does not descend, the self-locking mechanisms corresponding to other normal batteries are not self-locked, the liquid injection needle normally descends along with a driving mechanism to complete a liquid injection flow, after the liquid injection is completed, the abnormal battery is directly picked out and returned to the previous process, and the rest normal batteries directly enter the next process, so that the production efficiency can be improved, and the operation is stable and reliable.

Furthermore, the lifting self-locking mechanism has ingenious structural design, can well complete the self-locking function under the action of the driving mechanism, and improves the production efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a front view of the lift mechanism and a set of self-locking injection mechanisms of the present invention;

FIG. 3 is a schematic view of the self-locking injection mechanism descending when the battery is in a normal state;

FIG. 4 is a schematic diagram of the auto-lock injection mechanism when the battery is in abnormal condition;

FIG. 5 is a schematic structural view of a self-locking injection mechanism;

FIG. 6 is a schematic structural view of the self-locking mechanism;

wherein: 1 is a support plate, 2 is an electric cylinder, 3 is a pressure plate, 4 is a first guide shaft, 5 is a second guide shaft, 6 is a liquid injection needle, 7 is an air cylinder, 8 is a connecting block, 9 is a driving block, 10 is a self-locking block, 11 is a fixed block, 12 is a sliding block, 13 is a spring fixed block, 14 is a connecting plate, 15 is a spring, 16 is a sliding plate, 17 is a connecting column, 18 is a liquid injector fixing plate, 19 is a liquid injector, 31 is an upper pressure plate, and 32 is a lower pressure plate.

Detailed Description

The utility model provides a lifting self-locking mechanism which comprises a supporting plate 1, two groups of lifting mechanisms and a plurality of groups of self-locking injection mechanisms, wherein the plurality of groups of self-locking injection mechanisms are orderly and uniformly arranged in a row on the supporting plate 1, and the two groups of lifting mechanisms are respectively positioned at two sides of the plurality of groups of self-locking injection mechanisms; each group of self-locking injection mechanisms comprises an injection mechanism, and self-locking mechanisms and driving mechanisms which are symmetrically arranged at two sides of the injection mechanism, and the driving mechanism at the same side in each group of self-locking injection mechanisms is fixedly connected with the lifting mechanism at the side.

Every elevating system all includes electric jar 2, clamp plate 3 and first guiding axle 4, the bottom of first guiding axle 4 is fixed in backup pad 1, clamp plate 3 is including wearing top board 31 and the holding down plate 32 of cover on first guiding axle 4, electric jar 2 is fixed in the upper surface central point of top board 31 and is put, holding down plate 32 is located top board 31 below, and with top board 31 fixed connection, actuating mechanism among the multiunit auto-lock injection mechanism evenly sets up along the length direction of holding down plate 32, and fix the bottom at holding down plate 32, electric jar 2 drives top board 31 and holding down plate 32 and reciprocates along first guiding axle 4 together.

The injection mechanism in each group of self-locking injection mechanisms comprises an injector 19, an injector fixing plate 18 and an injection needle 6, wherein the injector 19 is fixed on the injector fixing plate 18, the injection needle 6 is arranged at the bottom of the injector 19, the injection needle 6 penetrates through the injector fixing plate 18 and a liquid injection hole in the supporting plate 1, and two ends of the injector fixing plate 18 are fixedly connected with the self-locking mechanisms respectively.

The driving mechanism in each group of self-locking injection mechanisms comprises an air cylinder 7, a connecting block 8 and a driving block 9, a piston rod of the air cylinder 7 is fixedly connected with the connecting block 8, the connecting block 8 is fixedly connected with the driving block 9, the air cylinder 7 drives the driving block 9 to move through the connecting block 8, and whether the driving block 9 is contacted with the self-locking mechanism or not is controlled; the air cylinders 7 in the driving mechanism on the same side in each group of self-locking injection mechanisms are all fixed at the bottom of the lower pressing plate 32 of the lifting mechanism on the side and are uniformly arranged along the length direction of the lower pressing plate 32.

The self-locking mechanism in each group of self-locking injection mechanisms comprises a second guide shaft 5, a self-locking block 10, a fixed block 11, a sliding block 12, a spring fixed block 13, a connecting plate 14, a spring 15, a sliding plate 16 and a connecting column 17, wherein the bottom of the second guide shaft 5 is fixed on a support plate 1, the sliding plate 16 is sleeved on the second guide shaft 5 in a penetrating way, a sliding rail is arranged on the sliding plate 16, the sliding block 12 is arranged on the sliding rail and can move along the sliding rail, the moving direction of the sliding block 12 is the same as that of a driving block 9, the front end of the sliding block 12 is thin and the rear end is thick, the front end of the sliding block 12 faces the driving block 9, the tail end of the sliding block 12 is provided with the spring 15, the spring 15 is fixed on the spring fixed block 13, the spring fixed block 13 is fixed on the top of one side of the sliding plate 16 far away from the driving block 9, the bottom of the sliding block 16 far away from the driving block 9 is fixedly connected with the top of the connecting plate 14, and the bottom of the connecting plate 14 is fixed on one end of a liquid injector fixing plate 18, one side of the sliding plate 16 close to the driving block 9 is provided with a connecting column 17; a fixed block 11 is arranged at the top of the second guide shaft 5, a self-locking block 10 is arranged on one side, close to the driving block 9, of the fixed block 11, a through hole is formed in the middle of the self-locking block 10, and an opening is formed in the bottom of the self-locking block 10; the slider 12 is worn to overlap in the through-hole of self-locking piece 10, and the width that the through-hole width of self-locking piece 10 is greater than the width that the width of self-locking piece 10 rear end is greater than the width that the open-ended width in bottom of self-locking piece 10 is greater than the slider 12 front end, therefore whole slider 12 all can move in the through-hole of self-locking piece 10, and the slider 12 front end can pass the bottom opening of self-locking piece 10 downwards, and slider 12 rear end can be blocked by the bottom opening of self-locking piece 10 and can't move down.

The upper part of one side of the driving block 9 close to the sliding plate 16 is provided with a bulge for propping the front end of the sliding block 12 to compress the spring 15, and the lower part of one side of the driving block 9 close to the sliding plate 16 is provided with a groove matched with the connecting column 17 in size; when the cylinder 7 extends to drive the driving block 9 to contact the self-locking mechanism, the bulge of the driving block 9 props against the front end of the sliding block 12 and compresses the spring 15, so that the front end of the sliding block 12 is right opposite to the bottom opening of the self-locking block 10, and meanwhile, the groove of the driving block 9 clamps the connecting column 17, so that the sliding plate 16 is driven to move downwards along the second guide shaft 5, at the moment, the front end of the sliding block 12 moves downwards to penetrate through the bottom opening of the self-locking block 10, the sliding block 12 does not play a self-locking role on the self-locking block 10, and the sliding plate 16 is not influenced to drive the injection mechanism to move upwards and downwards together; when the cylinder 7 retracts into the driving block 9 and does not contact the self-locking mechanism, the spring 15 automatically returns and pushes the sliding block 12, so that the rear end of the sliding block 12 is clamped on the bottom opening of the self-locking block 10 to play a self-locking role, at the moment, the sliding plate 16 cannot move up and down, and the injection mechanism is kept still.

When the injection device works, the batteries are positioned below the liquid injection needles 6 of each group of self-locking injection mechanisms, the battery state is detected firstly, the fact that the aluminum-plastic film wrapping the batteries is pulled open is confirmed, and the injection of electrolyte can be carried out. After the last procedure, the aluminum plastic film is pulled open, the groups with normal battery state can inject the electrolyte, the air cylinders 7 in the normal groups extend out to drive the driving block 9 to contact with the self-locking mechanism, the self-locking function of the self-locking mechanism is closed, in the process that the electric cylinder 2 drives the pressing plate 3 to move downwards, the air cylinders 7 drive the driving block 9 to drive the self-locking mechanism (except the second guide shaft 5, the self-locking block 10 and the fixing block 11) and the injection mechanism to move upwards and downwards together, the liquid injector 19 completes the injection of the battery electrolyte through the liquid injection needle 6, and the electric cylinder 2 drives the pressing plate 3 and the self-locking injection mechanism to move upwards to return to the original position after the injection is completed. The aluminum-plastic film is not pulled open, the electrolyte cannot be injected into each group with abnormal battery state, the air cylinders 7 in the abnormal groups retract to drive the driving block 9 to be separated from the self-locking mechanism, the self-locking function of the self-locking mechanism is started, only the driving mechanism moves downwards along with the electric cylinder 2 in the process of driving the pressing plate 3 to move downwards, the self-locking mechanism and the injection mechanism do not move downwards and do not inject the electrolyte, and after other normal groups finish the injection of the electrolyte, the driving mechanism of the abnormal group and the self-locking injection mechanism of the normal group move upwards together and return to the original position.

The lifting self-locking mechanism provided by the utility model can realize independent control of the lifting of each liquid injection needle 6, can meet independent control of a plurality of liquid injection needles, and can complete liquid injection flow of other batteries which normally pull the aluminum plastic film when the batteries in which the film is abnormal and the electrolyte cannot be injected are arranged in the same batch of batteries, thereby improving the production efficiency and ensuring stable and reliable action.

The present invention has been described in further detail with reference to the embodiments, and it is not to be construed that the embodiments are limited thereto; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.

Claims

1. The utility model provides a lift self-locking mechanism which characterized in that: the injection device comprises a support plate (1), two groups of lifting mechanisms and a plurality of groups of self-locking injection mechanisms, wherein the self-locking injection mechanisms are arranged in a row on the support plate (1), and the two groups of lifting mechanisms are respectively positioned on two sides of the self-locking injection mechanisms; each group of lifting mechanisms comprises an electric cylinder (2), a pressure plate (3) and a first guide shaft (4), the bottom of the first guide shaft (4) is fixed on the support plate (1), the pressure plate (3) is sleeved on the first guide shaft (4), the electric cylinder (2) is fixed on the pressure plate (3), and the pressure plate (3) is driven to move up and down along the first guide shaft (4); each group of self-locking injection mechanisms comprises an injection mechanism, and self-locking mechanisms and driving mechanisms which are symmetrically arranged on two sides of the injection mechanism, each injection mechanism comprises an injector (19), an injector fixing plate (18) and an injection needle (6), the injectors (19) are fixed on the injector fixing plate (18), the injection needles (6) are arranged at the bottoms of the injectors (19), the injection needles (6) penetrate through the injector fixing plate (18) and penetrate through injection holes in the supporting plate (1), and two ends of the injector fixing plate (18) are fixedly connected with the self-locking mechanisms respectively; the driving mechanism comprises an air cylinder (7) and a driving block (9), and the air cylinders (7) in the driving mechanisms on the same side in each group of self-locking injection mechanisms are all fixed at the bottom of the pressure plate (3) of the lifting mechanism on the side; when the automatic electrolyte injection device works, batteries are located below the liquid injection needles (6) of each group of self-locking injection mechanisms, the batteries can be injected into each group of the self-locking injection mechanisms in a normal battery state, the air cylinder (7) extends out to drive the driving block (9) to be in contact with the self-locking mechanisms, the self-locking function of the self-locking mechanisms is closed, the driving block (9) is driven by the air cylinder (7) to drive the self-locking mechanisms and the injection mechanisms to move up and down together in the process that the electric cylinder (2) drives the pressing plate (3) to move up and down, and the liquid injector (19) completes the injection of the battery electrolyte through the liquid injection needles (6); in each group which cannot inject electrolyte when the battery is in abnormal state, the air cylinder (7) retracts to drive the driving block (9) to be separated from the self-locking mechanism, the self-locking function of the self-locking mechanism is started, and the self-locking mechanism and the injection mechanism do not displace and do not inject electrolyte when the electric cylinder (2) drives the pressing plate (3) to move up and down.

2. The lifting self-locking mechanism according to claim 1, characterized in that: the self-locking mechanism comprises a second guide shaft (5), a self-locking block (10), a fixed block (11), a sliding block (12), a spring fixed block (13), a connecting plate (14), a spring (15), a sliding block (16) and a connecting column (17), wherein the bottom of the second guide shaft (5) is fixed on the supporting plate (1), the sliding block (16) is sleeved on the second guide shaft (5) in a penetrating manner, a sliding rail is arranged on the sliding block (16), the sliding block (12) is arranged on the sliding rail, the front end of the sliding block (12) is thin, the rear end of the sliding block (12) is thick, the front end of the sliding block (12) faces the driving mechanism, the spring (15) is arranged at the tail end of the sliding block (12), the spring (15) is fixed on the spring fixed block (13), the spring fixed block (13) is fixed at the top of one side, away from the driving mechanism, of the sliding block (16) is fixedly connected with the top of the connecting plate (14), the bottom of the connecting plate (14) is fixed at one end of the liquid injector fixing plate (18), and one side of the sliding plate (16) close to the driving mechanism is provided with a connecting column (17); a fixed block (11) is arranged at the top of the second guide shaft (5), a self-locking block (10) is arranged on one side, close to the driving mechanism, of the fixed block (11), a through hole is formed in the middle of the self-locking block (10), and an opening is formed in the bottom of the self-locking block (10); the sliding block (12) is sleeved in the through hole of the self-locking block (10) in a penetrating way, and the width of the through hole of the self-locking block (10) is larger than that of the rear end of the sliding block (12), and is larger than that of the bottom opening of the self-locking block (10) and larger than that of the front end of the sliding block (12); the upper part of one side, close to the self-locking mechanism, of the driving block (9) is provided with a bulge for propping the front end of the sliding block (12) to compress the spring (15), and the lower part of one side, close to the self-locking mechanism, of the driving block (9) is provided with a groove matched with the size of the connecting column (17); when the cylinder (7) extends to drive the driving block (9) to contact the self-locking mechanism, the protrusion of the driving block (9) props against the front end of the sliding block (12) and compresses the spring (15), so that the front end of the sliding block (12) is aligned with the bottom opening of the self-locking block (10), meanwhile, the groove of the driving block (9) clamps the connecting column (17), the sliding plate (16) is driven to move downwards along the second guide shaft (5), at the moment, the front end of the sliding block (12) moves downwards to penetrate through the bottom opening of the self-locking block (10), the sliding block (12) does not have a self-locking effect on the self-locking block (10), and the sliding plate (16) is not influenced to drive the injection mechanism to move upwards and downwards together; when the cylinder (7) retracts to the driving block (9) and does not contact the self-locking mechanism, the spring (15) automatically extends and pushes the sliding block (12) to approach the self-locking mechanism, so that the rear end of the sliding block (12) is clamped on the bottom opening of the self-locking block (10) to play a self-locking role, the sliding plate (16) cannot move up and down at the moment, and the injection mechanism is kept still.

3. The elevating self-locking mechanism according to claim 1 or 2, characterized in that: the piston rod of cylinder (7) and connecting block (8) fixed connection, connecting block (8) and drive actuating block (9) fixed connection, cylinder (7) drive through connecting block (8) and drive actuating block (9) and remove.

4. The elevating self-locking mechanism according to claim 1 or 2, characterized in that: the pressing plate (3) comprises an upper pressing plate (31) and a lower pressing plate (32) which are sleeved on the first guide shaft (4) in a penetrating mode, the electric cylinder (2) is fixed to the center of the upper surface of the upper pressing plate (31), the lower pressing plate (32) is located below the upper pressing plate (31) and fixedly connected with the upper pressing plate (31), and the air cylinders (7) in the multiple groups of self-locking injection mechanisms are evenly arranged along the length direction of the lower pressing plate (32) and are fixed to the bottom of the lower pressing plate (32).