CN221252990U - Electric core clamping jaw - Google Patents

Abstract

The utility model provides a battery cell clamping jaw, and belongs to the technical field of electrochemical energy storage industry. The utility model comprises a base, a flange, a first clamping unit and a second clamping unit, wherein the first clamping unit comprises a first bracket, a first pushing piece, a first rocker mechanism and a first clamping plate. The first pushing piece is started, the fixed end of the first pushing piece is rotationally connected with the first, the first rocker is rotationally connected with the first connecting rod, and when the power output end of the first pushing piece stretches and contracts, the first pushing piece drives the first rocker to rotate so as to drive the first connecting rod to move and further drive the first clamping plate or to be close to the second clamping unit, so that the action of clamping or placing the battery cell is completed. When the first clamping plate clamps the battery cell, the first rocker and the first connecting rod are collinear to form a self-locking mechanism, so that the technical problem that the battery cell is easy to fall off in the process of clamping the battery cell by the battery cell clamping jaw in the prior art is solved.

Description

Electric core clamping jaw

Technical Field

The utility model belongs to the technical field of electrochemical energy storage industry, and particularly relates to a battery cell clamping jaw.

Background

With the rapid development of the electrochemical energy storage industry, the duty ratio in the new energy industry is continuously increased, the cell is used as a composition core of electrochemical energy storage, and the installed quantity of the cell is also stably increased. During installation, in the whole process flow from the battery core loading to the module unloading, firstly, the battery core loading is carried out, and the process is mainly realized by matching a robot arm with a battery core clamping jaw, so that the clamping and releasing of the battery core are particularly critical.

In the prior art, the electric core clamping jaw is generally selected from pneumatic clamping jaws widely applied to the fields of machining, automatic production and the like, and the pneumatic clamping jaw is simple and convenient to operate, quick in response and easy to maintain. The pneumatic clamping jaw for clamping the battery cell generally selects a special parallel pneumatic clamping jaw, and the clamping force of the parallel pneumatic clamping jaw battery cell is maintained through a pressure maintaining valve. The gas-break protection of the cell clamping jaw can only be realized through a pressure maintaining valve, so that the complexity and the cost of the system are increased. If a pipeline between the pressure maintaining valve and the air cylinder or the air cylinder body is in a problem, the air-break protection cannot be continuously realized, so that the battery cell falls down in the carrying process, and safety accidents and property loss are caused.

Disclosure of utility model

The embodiment of the utility model provides a battery cell clamping jaw, which aims to solve the technical problem that a battery cell is easy to fall off in the process of clamping the battery cell by the battery cell clamping jaw in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a electric core clamping jaw, an electric core clamping jaw includes base, flange, first clamping unit and second clamping unit, the flange is located on the base, the flange is used for being connected with the arm, first clamping unit with the second clamping unit is located respectively the one end of base, first clamping unit includes first support, first pushing away piece, first rocker mechanism and first splint. The first support is fixedly arranged below the base, and a first accommodating cavity is formed in the inner side wall of the first support; the first pushing piece is arranged in the first accommodating cavity, and the fixed end of the first pushing piece is rotationally connected with the upper part of the first accommodating cavity; the first rocker mechanism comprises a first rocker, a first connecting rod and a first rotating shaft, and one end of the first rocker is rotationally connected with the first bracket; the other end of the first rocker is rotationally connected with one end of the first connecting rod through the first rotating shaft; the first rotating shaft is connected with the power output end of the first pushing piece; the first clamping plate is vertically arranged on the inner side of the first bracket, and the outer side wall of the first clamping plate is rotationally connected with the other end of the first connecting rod;

and a clamping space for clamping the battery core is formed between the first clamping plate and the second clamping unit.

In one possible implementation, the first clamping unit further includes a first extension and a first stopper. The first extending part is arranged at the bottom of the first bracket along the horizontal direction and is connected with the first bracket; the first limiting block is arranged at one end, far away from the first bracket, of the first extension portion.

In one possible implementation, the first clamping unit further comprises a first slider and a first rail. The first sliding block is arranged on one side, far away from the clamping space, of the first clamping plate, the first sliding block is fixedly connected with the first clamping plate, and the first sliding block is rotationally connected with the other end of the first connecting rod; the first guide rail is horizontally arranged, one end of the first guide rail is connected with the first extension part, the other end of the first guide rail is connected with the second clamping unit, the first guide rail penetrates through the first clamping plate, and the first sliding block is in sliding fit with the first guide rail.

In one possible implementation manner, the upper end surface of the first extension part is provided with a second limiting block.

In one possible implementation, the first clamping plate is provided with a non-slip pad near the inner side wall of the battery cell.

In one possible implementation, the first pushing member is a hydraulic cylinder, an electric push rod or an air cylinder.

In one possible implementation, the first clamping plate is provided with a plurality of lightening holes.

In one possible implementation, the second clamping unit includes a second bracket, a second pushing member, a second rocker mechanism, and a second clamping plate. The second bracket is fixedly arranged below the base, and a second accommodating cavity is formed in the inner side wall of the second bracket; the second pushing piece is arranged in the second accommodating cavity, and the fixed end of the second pushing piece is rotationally connected with the upper part of the second accommodating cavity; the second rocker mechanism comprises a second rocker, a second connecting rod and a second rotating shaft, and one end of the second rocker is rotationally connected with the second bracket; the other end of the second rocker is rotationally connected with one end of the second connecting rod through the second rotating shaft; the second rotating shaft is connected with the power output end of the second pushing piece; and the second clamping plate is vertically arranged on the inner side of the second bracket, and the outer side wall of the second clamping plate is rotationally connected with the other end of the second connecting rod.

In one possible implementation manner, the first bracket and the second bracket are made of aluminum alloy.

In one possible implementation, the non-slip mat is a silicone sheet.

The battery cell clamping jaw provided by the utility model has the beneficial effects that: compared with the prior art, the clamping device comprises a base, a flange, a first clamping unit and a second clamping unit, wherein the first clamping unit comprises a first bracket, a first pushing piece, a first rocker mechanism and a first clamping plate. The first pushing piece is started, the fixed end of the first pushing piece is rotationally connected with the first support, and because the first rocker is rotationally connected with the first support, when the power output end of the first pushing piece stretches out and draws back, the first pushing piece drives the first rocker to rotate, meanwhile drives the first rotating to move, finally drives the first clamping plate to be far away from or close to the second clamping unit, so that the action of clamping or placing the battery cell is completed.

Drawings

Fig. 1 is a schematic elevation view of a battery cell clamping jaw according to embodiment 1 of the present utility model;

FIG. 2 is an enlarged view of a portion of the area A of FIG. 1;

fig. 3 is a schematic elevation view of a battery cell clamping jaw according to embodiment 2 of the present utility model;

FIG. 4 is an enlarged view of a portion of region B of FIG. 3;

Reference numerals illustrate:

100. A base; 101. a flange;

1. a first clamping unit; 11. a first bracket; 12. a first pushing member; 13. a first rocker mechanism; 131. a first rocker; 132. a first link; 133. a first rotating shaft; 14. a first clamping plate; 15. a first extension; 16. a first limiting block; 17. a first slider; 18. a first guide rail; 19. a second limiting block;

2. A second clamping unit; 21. a second bracket; 22. a second pushing member; 23. a second rocker mechanism; 231. a second rocker; 232. a second link; 233. a second rotating shaft; 24. a second clamping plate; 25. a second extension; 26. a third limiting block; 27. a second slider; 28. a second guide rail; 29. a fourth limiting block;

3. And a battery cell.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.

When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

The terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the same sense as the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.

The utility model provides a battery cell clamping jaw.

Referring to fig. 1 and fig. 2 together, a description will now be given of a battery clamping jaw according to the present utility model. The utility model provides a electric core clamping jaw includes base 100, flange 101, first clamping unit 1 and second clamping unit 2, and flange 101 is located on the base 100, and flange 101 is used for being connected with the arm, and first clamping unit 1 and second clamping unit 2 locate the one end of base 100 respectively, and first clamping unit 1 includes first support 11, first top pushing piece 12, first rocker mechanism 13 and first splint 14. The first bracket 11 is fixedly arranged below the base 100, and a first accommodating cavity is formed in the inner side wall of the first bracket 11. The first pushing piece 12 is arranged in the first accommodating cavity, and the fixed end of the first pushing piece 12 is rotationally connected with the upper part of the first accommodating cavity. The first rocker mechanism 13 includes a first rocker 131, a first link 132, and a first rotation shaft 133, and one end of the first rocker 131 is rotatably connected to the first bracket 11. The other end of the first rocker 131 is rotatably connected to one end of the first link 132 through a first rotation shaft 133. The first rotating shaft 133 is connected with the power output end of the first pushing piece 12. The first clamping plate 14 is vertically arranged on the inner side of the first bracket 11, and the outer side wall of the first clamping plate 14 is rotatably connected with the other end of the first connecting rod 132. Wherein, a clamping space for clamping the battery cell 3 is formed between the first clamping plate 14 and the second clamping unit 2.

The first pushing piece 12 is started, the fixed end of the first pushing piece 12 is rotationally connected with the first, and because the first rocker 131 is rotationally connected with the first bracket 11, when the power output end of the first pushing piece 12 stretches and contracts, the first pushing piece 12 drives the first rocker 131 to rotate and simultaneously drives the first connecting rod 132 to move, and finally the first connecting rod 132 drives the first clamping plate 14 to be far away from or close to the second clamping unit 2, so that the action of clamping or placing the battery cell 3 is completed, when the first clamping plate 14 clamps the battery cell 3, the first connecting rod 132 is collinear with the first rocker 131, so that the acting force applied by the first clamping plate 14 to the battery cell 3 is collinear with the reacting force of the battery cell 3, the first pushing piece 12 is in a vertical state at the moment, and no acting force is applied to the first rocker mechanism 13.

Compared with the prior art, the battery cell clamping jaw provided by the embodiment of the utility model not only comprises a base 100 and a flange 101, wherein the flange 101 is arranged on the base 100, the flange 101 is connected with a mechanical arm, but also comprises a first clamping unit 1 and a second clamping unit 2, and the first clamping unit 1 comprises a first bracket 11, a first pushing piece 12, a first rocker mechanism 13 and a first clamping plate 14. The first pushing piece 12 is started, the fixed end of the first pushing piece 12 is rotationally connected with the first, and because the first rocker 131 is rotationally connected with the first bracket 11, when the power output end of the first pushing piece 12 stretches out and draws back, the first pushing piece 12 drives the first rocker 131 to rotate and simultaneously drives the first rotating to move, and finally drives the first clamping plate 14 to be far away from or close to the second clamping unit 2, so that the action of clamping or placing the battery cell 3 is completed, and the technical problem that the battery cell clamping jaw easily drops off during the process of clamping the battery cell 3 in the prior art is solved.

Referring to fig. 1 to 2, in some embodiments, the first clamping unit 1 further includes a first extension portion 15 and a first limiting block 16. The first extension part 15 is arranged at the bottom of the first bracket 11 along the horizontal direction, and the first extension part 15 is connected with the first bracket 11; the first limiting block 16 is disposed at one end of the first extension portion 15 away from the first bracket 11. The first extension 15 and the second extension 25 may provide a limiting effect on the first clamping plate 14.

Referring to fig. 1 to 2, the first clamping unit 1 further includes a first slider 17 and a first guide rail 18. The first sliding block 17 is arranged on one side of the first clamping plate 14 far away from the clamping space, the first sliding block 17 is fixedly connected with the first clamping plate 14, and the first sliding block 17 is rotationally connected with the other end of the first connecting rod 132; the first guide rail 18 is horizontally arranged, one end of the first guide rail 18 is connected with the first extension part 15, the other end of the first guide rail 18 is connected with the second clamping unit 2, the first guide rail 18 penetrates through the first clamping plate 14, and the first sliding block 17 is in sliding fit with the first guide rail 18.

The first connecting rod 132 drives the first slider 17 to slide on the first guide rail 18 along the horizontal direction, and through being provided with the first slider 17 and the first guide rail 18, the first clamping plate 14 can be prevented from shaking in the clamping process due to the influence of the gravity of the battery core 3 in the clamping process of the battery core 3, and the movement precision of the first clamping plate 14 can be controlled more accurately through the sliding fit of the first slider 17 and the first guide rail 18.

Referring to fig. 1 to 2, further, a second limiting block 19 is disposed on an upper end surface of the first extension portion 15. The second limiting block 19 is arranged, so that the situation that the power output end of the first pushing piece 12 is too large in movement stroke, so that the acting force applied to the battery cell 3 by clamping the battery cell 3 by the first clamping plate 14 is too large to damage the battery cell 3 can be avoided.

On the basis of the embodiment, the first clamping plate 14 is provided with an anti-slip pad close to the inner side wall of the battery cell 3. The anti-slip pad is arranged to prevent the battery cell 3 from falling due to the friction force in the grabbing process of the battery cell 3.

Further, the first pushing member 12 is a hydraulic cylinder, an electric push rod or an air cylinder. For the heavy battery cell 3, the first pushing piece 12 adopts a hydraulic cylinder.

The hydraulic cylinder mainly converts hydraulic energy into mechanical energy effectively, and the hydraulic cylinder mainly performs linear reciprocating motion in the using process, so that the whole equipment has a simple structure and reliable work, and can avoid a speed reducer when being mainly used for realizing reciprocating motion in the using process, has no transmission gap and is very stable in the operating process, thereby being widely applied to hydraulic systems of various machines.

The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference of two sides, and the hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, the piston, a piston rod, a sealing device, a buffer device and an exhaust device.

The hydraulic oil cylinder has various structural forms, can be effectively divided into a linear reciprocating motion type and a rotary swing type according to the motion mode, and the equipment can be divided into a single-acting type and a double-acting type according to the hydraulic pressure action condition; the structure type can be divided into a piston type, a plunger type and a swing type.

In a single-acting hydraulic cylinder, pressure oil is only supplied to one cavity of the hydraulic cylinder, the hydraulic pressure is used for enabling the cylinder to move in one direction, and the opposite direction is achieved by external force such as spring force, dead weight or external load; the motion of the double-acting hydraulic cylinder piston in two directions is completed by alternately feeding oil into the two cavities and by the action of hydraulic pressure.

The piston type hydraulic cylinder can be divided into a single rod type structure and a double rod type structure, the fixing mode of the piston type hydraulic cylinder is that the cylinder body is fixed and the piston rod is fixed, and the hydraulic cylinder has a single action type structure and a double action type structure according to the action condition of hydraulic pressure. In a single-acting hydraulic cylinder, pressure oil is only supplied to one cavity of the hydraulic cylinder, the hydraulic pressure is used for enabling the cylinder to move in one direction, and the opposite direction is achieved by external force such as spring force, dead weight or external load; the motion of the double-acting hydraulic cylinder piston in two directions is completed by alternately feeding oil into the two cavities and by the action of hydraulic pressure.

The electric push rod is also called a linear driver, and is a novel linear actuator mainly composed of mechanisms such as a motor push rod, a control device and the like, and can be regarded as an extension of a rotating motor in terms of structure.

An electric putter is an electric drive device that converts the rotational motion of an electric motor into linear reciprocating motion of a putter. Can be used in various simple or complex process flows as an execution machine to realize remote control, centralized control or automatic control.

The electric push rod has the characteristics of novel and exquisite design, small volume, high precision, complete synchronization, good self-locking performance, sanitation, direct driving of a motor, no need of an air source and an oil way of a pipeline and the like, and is widely used for various industrial equipment such as production lines, automobiles, ventilation window opening, military industry, stages, spinning, sewage treatment and the like.

In some embodiments, the first clamping plate 14 is provided with a plurality of weight reducing holes, which may reduce the dead weight of the first clamping plate 14.

Referring to fig. 3 to 4, the second clamping unit 2 includes a second bracket 21, a second pushing member 22, a second rocker mechanism 23 and a second clamping plate 24. The second bracket 21 is fixedly arranged below the base 100, and a second accommodating cavity is formed in the inner side wall of the second bracket 21; the second pushing piece 22 is arranged in the second accommodating cavity, and the fixed end of the second pushing piece 22 is rotationally connected with the upper part of the second accommodating cavity; the second rocker mechanism 23 comprises a second rocker 231, a second connecting rod 232 and a second rotating shaft 233, and one end of the second rocker 231 is rotatably connected with the second bracket 21; the other end of the second rocker 231 is rotatably connected with one end of the second connecting rod 232 through a second rotating shaft 233; the second rotating shaft 233 is connected with the power output end of the second pushing piece 22; and the second clamping plate 24 is vertically arranged on the inner side of the second bracket 21, and the outer side wall of the second clamping plate 24 is rotationally connected with the other end of the second connecting rod 232.

The second pushing piece 22 is started, the fixed end of the second pushing piece 22 is rotationally connected with the second, and because the second rocker 231 is rotationally connected with the second bracket 21, when the power output end of the second pushing piece 22 stretches and contracts, the second pushing piece 22 drives the second rocker 231 to rotate, simultaneously drives the second rotating to move, and finally drives the second clamping plate 24 to be far away from or close to the first clamping plate 14, so that the action of clamping or placing the battery cell 3 is completed.

Referring to fig. 3 to 4, in some embodiments, the second clamping unit 2 further includes a second extension portion 25 and a third limiting block 26. The second extension part 25 is arranged at the bottom of the second bracket 21 along the horizontal direction, and the second extension part 25 is connected with the second bracket 21; the third limiting block 26 is disposed at one end of the second extension portion 25 away from the second bracket 21. The second extension 25 and the second extension 25 may provide a limiting effect on the second clamping plate 24.

Referring to fig. 3 to 4, the second clamping unit 2 further includes a second slider 27 and a second rail 28. The second slider 27 is arranged on one side of the second clamping plate 24 far away from the clamping space, the second slider 27 is fixedly connected with the second clamping plate 24, and the second slider 27 is rotationally connected with the other end of the second connecting rod 232; the second guide rail 28 is horizontally arranged, the second guide rail 28 is parallel and collinear with the first guide rail 18, one end of the second guide rail 28 is connected with the second extension part 25, the other end of the second guide rail 28 is connected with the first guide rail 18, the second guide rail 28 penetrates through the second clamping plate 24, and the second sliding block 27 is in sliding fit with the second guide rail 28.

The second connecting rod 232 drives the second slider 27 to slide on the second guide rail 28 along the horizontal direction, and through being provided with the second slider 27 and the second guide rail 28, the second clamping plate 24 can be prevented from shaking in the clamping process due to the influence of the gravity of the battery core 3 in the clamping process of the battery core 3, and the movement precision of the second clamping plate 24 can be controlled more accurately through the sliding fit of the second slider 27 and the second guide rail 28.

Referring to fig. 3 to 4, further, a fourth limiting block 29 is disposed on an upper end surface of the second extension portion 25. The fourth limiting block 29 is arranged, so that the situation that the second pushing piece 22 has overlarge movement stroke of the power output end, so that the second clamping plate 24 clamps the battery cell 3 and exerts overlarge acting force to damage the battery cell 3 can be avoided.

On the basis of the embodiment, the second clamping plate 24 is provided with an anti-slip pad near the inner side wall of the battery cell 3. The anti-slip pad is arranged to prevent the battery cell 3 from falling due to the friction force in the grabbing process of the battery cell 3.

Further, the second pushing member 22 is a hydraulic cylinder, an electric push rod or an air cylinder.

On the basis of the embodiment, the anti-slip pad is a silica gel sheet.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a electricity core clamping jaw, its characterized in that includes base, flange, first clamping unit and second clamping unit, the flange is located on the base, the flange is used for being connected with the arm, first clamping unit with the second clamping unit is located respectively the one end of base, first clamping unit includes:

The first bracket is fixedly arranged below the base, and a first accommodating cavity is formed in the inner side wall of the first bracket;

the first pushing piece is arranged in the first accommodating cavity, and the fixed end of the first pushing piece is rotationally connected with the upper part of the first accommodating cavity;

The first rocker mechanism comprises a first rocker, a first connecting rod and a first rotating shaft, and one end of the first rocker is rotationally connected with the first bracket; the other end of the first rocker is rotationally connected with one end of the first connecting rod through the first rotating shaft; the first rotating shaft is connected with the power output end of the first pushing piece; and

The first clamping plate is vertically arranged on the inner side of the first bracket, and the outer side wall of the first clamping plate is rotationally connected with the other end of the first connecting rod;

and a clamping space for clamping the battery core is formed between the first clamping plate and the second clamping unit.

2. The cell jaw of claim 1, wherein the first clamping unit further comprises:

The first extension part is arranged at the bottom of the first bracket along the horizontal direction and is connected with the first bracket;

The first limiting block is arranged at one end, far away from the first bracket, of the first extension part.

3. The cell jaw of claim 2, wherein the first clamping unit further comprises:

The first sliding block is arranged on one side, far away from the clamping space, of the first clamping plate, is fixedly connected with the first clamping plate and is rotationally connected with the other end of the first connecting rod;

The first guide rail is horizontally arranged, one end of the first guide rail is connected with the first extension part, the other end of the first guide rail is connected with the second clamping unit, the first guide rail penetrates through the first clamping plate, and the first sliding block is in sliding fit with the first guide rail.

4. A cell jaw as claimed in claim 3, characterized in that: the upper end face of the first extension part is provided with a second limiting block.

5. A cell jaw as claimed in claim 4, wherein: the first clamping plate is provided with an anti-slip pad close to the inner side wall of the battery cell.

6. A cell jaw as claimed in claim 5, wherein: the first pushing piece is a hydraulic cylinder, an electric push rod or an air cylinder.

7. A cell jaw as defined in claim 6, wherein: the first clamping plate is provided with a plurality of lightening holes.

8. A cell jaw as claimed in claim 7, wherein: the second clamping unit includes:

The second bracket is fixedly arranged below the base, and a second accommodating cavity is formed in the inner side wall of the second bracket;

The second pushing piece is arranged in the second accommodating cavity, and the fixed end of the second pushing piece is rotationally connected with the upper part of the second accommodating cavity;

The second rocker mechanism comprises a second rocker, a second connecting rod and a second rotating shaft, and one end of the second rocker is rotationally connected with the second bracket; the other end of the second rocker is rotationally connected with one end of the second connecting rod through the second rotating shaft; the second rotating shaft is connected with the power output end of the second pushing piece; and

The second clamping plate is vertically arranged on the inner side of the second bracket, and the outer side wall of the second clamping plate is rotationally connected with the other end of the second connecting rod.

9. A cell jaw as claimed in claim 8, wherein: the first support and the second support are made of aluminum alloy.

10. A cell jaw as claimed in claim 9, wherein: the anti-slip pad is a silica gel sheet.