CN221089043U - Clamping jaw mechanism and clamping device - Google Patents

Abstract

The application relates to a clamping jaw mechanism and a clamping device, wherein the clamping jaw mechanism comprises a clamping assembly and a driving assembly, the clamping assembly comprises a base body, a first transmission part and two clamping jaws which are hinged, the movable end of the first transmission part is hinged with two swinging parts, one side of the two swinging parts, which is far away from the first transmission part, is respectively connected with the driving ends of the two clamping jaws, the middle parts of the two clamping jaws are provided with hinge shafts, and the hinge shafts are rotatably arranged on the base body; the output end of the driving assembly is connected with a screw rod, the movement of the screw rod acts on the first transmission piece, and the first transmission piece is driven to move relative to the base body so as to realize the opening and closing actions of the two clamping jaws. The clamping jaw mechanism solves the problems that the opening angle of the clamping jaw of the existing crown block cannot be adjusted and different use requirements are difficult to meet.

Description

Clamping jaw mechanism and clamping device

Technical Field

The application relates to the technical field of soft package battery formation component separation equipment, in particular to a clamping jaw mechanism and a clamping device.

Background

In the production process of the battery by adopting the formation and capacity-division process, the crown block with clamping jaws is required to be used for placing the battery into the formation clamp and the capacity-division clamp, and the battery is taken out from the formation clamp and the capacity-division clamp after the formation and the capacity division of the battery are carried out.

The prior application number is CN202122203249.0, which discloses a crown block device, comprising a first driving piece and a clamping jaw assembly, wherein the first driving piece is used for driving a first sliding plate or a first clamping block in the clamping jaw assembly to move relative to a bottom plate, so that clamping opening and clamping are realized, and a plurality of workpieces to be clamped can be conveniently clamped. The first driving piece is the cylinder, realizes the clamping jaw action in order to press from both sides the getting through the cylinder drive, but the output point position of cylinder only has two, consequently the cylinder can only control the clamping jaw and open and close, can't adjust the open angle of clamping jaw, is difficult to satisfy different user demands.

Disclosure of utility model

The application aims to provide a clamping jaw mechanism and a clamping device, which solve the problems that the opening angle of the clamping jaw of the existing crown block cannot be adjusted and different use requirements are difficult to meet.

To this end, in a first aspect, embodiments of the present application provide a jaw mechanism comprising:

The clamping assembly comprises a base body, a first transmission part and two clamping jaws which are hinged, wherein the movable end of the first transmission part is hinged with two swinging parts, one sides of the two swinging parts, which are far away from the first transmission part, are respectively connected with the driving ends of the two clamping jaws, the middle parts of the two clamping jaws are provided with hinge shafts, and the hinge shafts are rotatably arranged on the base body; and

The driving assembly is connected with a screw rod at the output end, and the movement of the screw rod acts on the first transmission piece to drive the first transmission piece to move relative to the base body so as to realize the opening and closing actions of the two clamping jaws.

In a possible implementation manner, the device further comprises a movable plate, the movable plate is connected to the screw rod and is movably arranged along a moving direction parallel to the movable end of the first transmission piece under the action of the screw rod, the clamping assembly is provided with a plurality of clamping assemblies, the distance between each first transmission piece and the movable plate in the moving direction of the movable plate is the same, and each first transmission piece is covered on a plane perpendicular to the moving direction of the movable plate.

In one possible embodiment, each first transmission element is connected to the movable plate or is arranged at a distance from the movable plate.

In one possible implementation manner, the clamping device further comprises a connecting piece, wherein a plurality of mounting positions are arranged on the connecting piece, and each clamping component is respectively arranged on each mounting position.

In one possible implementation manner, the clamping assembly further comprises a workbench, the connecting piece is fixedly arranged on the workbench, the first transmission piece is movably arranged on the corresponding installation position along the moving direction of the movable plate, the movable plate and the first transmission piece are arranged at intervals, the clamping assembly further comprises a reset component connected with the first transmission piece, and the reset component acts on the first transmission piece to reset the first transmission piece.

In one possible implementation manner, the reset component includes a fitting and an elastic reset component, the fitting is disposed on the first transmission component, and two sides of the elastic reset component are respectively matched with the connecting component and the fitting.

In one possible embodiment, the fitting is movably arranged on the first transmission part to adjust the deformation of the elastic restoring part.

In one possible implementation manner, the device further comprises a second transmission assembly, the second transmission assembly comprises a first sliding part and a second sliding part which are matched with the screw rod, threads on two sides of the screw rod are opposite in rotation direction, fork rods are hinged to the first sliding part and the second sliding part, and the two fork rods are hinged to each other and are connected with the movable plate at the other ends.

In one possible implementation, the fork rod is further provided with a rotating member in contact with the movable plate.

In a second aspect, an embodiment of the present application provides a gripping apparatus, including: a jaw mechanism as claimed in the first aspect.

According to the clamping jaw mechanism and the clamping device provided by the embodiment of the application, the clamping jaw mechanism adopts the movement of the screw rod as a power source, the screw rod is provided with a plurality of output points, the movement of the screw rod can drive the movement of the first transmission part, and the first transmission part can adjust the opening angle between the two clamping jaws through the two swinging parts in the moving process, so that the opening of different angles between the clamping jaws can be realized, the clamping jaw mechanism can be compatible with various specification and size battery cores, and the use requirements of different users are met.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In addition, in the drawings, like parts are designated with like reference numerals and the drawings are not drawn to actual scale.

FIG. 1 is a schematic view showing the overall structure of a jaw mechanism according to an embodiment of the present application;

FIG. 2 shows a schematic structural view of the drive assembly of FIG. 1;

FIG. 3 shows a schematic structural view of the second transmission assembly of FIG. 1;

Fig. 4 shows a schematic structural view of the clamping assembly of fig. 1.

Reference numerals illustrate:

1. A clamping assembly; 11. a first transmission member; 12. a clamping jaw; 13. a swinging member;

14. a reset member; 141. a fitting; 142. an elastic reset piece; 15. a base;

2. a drive assembly; 21. a screw rod; 22. a motor; 23. a pulley assembly;

3. a movable plate; 4. a connecting piece; 5. a work table;

6. a second transmission assembly; 61. a first slider; 62. a second slider; 63. a fork lever; 64. and a rotating member.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In order to solve the problems that the existing crown block with clamping jaws adopts an air cylinder as a power source, the clamping jaws are driven by the air cylinder to move so as to clamp, but the output points of the air cylinder are only two, so that the air cylinder can only control the opening and closing of the clamping jaws and can not adjust the opening angle of the clamping jaws, and the use requirements of different users are difficult to meet; the application provides a clamping jaw mechanism, which adopts the movement of a screw rod as a power source, the screw rod is provided with a plurality of output points, so that the clamping jaw can be opened at different angles, the clamping jaw mechanism can be compatible with battery cells with various specifications and sizes, and the use requirements of different users are met.

As shown in fig. 1 to 4, an embodiment of the present application provides a jaw mechanism including:

the clamping assembly 1 comprises a base 15, a first transmission piece 11 and two clamping jaws 12 which are hinged, wherein two swinging pieces 13 are hinged at the movable end of the first transmission piece 11, one sides of the two swinging pieces 13, which are far away from the first transmission piece 11, are respectively connected with the driving ends of the two clamping jaws 12, the middle parts of the two clamping jaws 12 are provided with hinge shafts, and the hinge shafts are rotatably arranged on the base 15; and

The driving assembly 2, the output end of the driving assembly 2 is connected with a screw rod 21, the screw rod 21 can adopt a trapezoidal screw rod 21 or a ball screw rod 21, the motion of the screw rod 21 acts on the first transmission piece 11, and the first transmission piece 11 is driven to be opposite to the base 15 so as to realize the opening and closing actions of the two clamping jaws 12.

Through adopting the activity of lead screw 21 as power supply, lead screw 21 has a plurality of output points, the motion of lead screw 21 can drive the removal of first driving medium 11, first driving medium 11 drives two swinging members 13 in the removal in-process and swings, two swinging members 13 are acted on two clamping jaw 12 respectively, two clamping jaw 12 realize articulated through the articulated shaft that is connected, connect on pedestal 15 through the articulated shaft, in order to restrict the position of clamping jaw 12, thereby realize the swing of two swinging members 12 in order to adjust the angle of opening between two clamping jaw 12, thereby can realize opening of different angles between clamping jaw 12, can compatible multiple specification and size's electricity core, satisfy different user's user demand.

The driving assembly 2 includes a motor 22 or a rotating cylinder, etc., and the screw 21 is connected to an output end of the driving assembly 2, thereby realizing rotation of the screw 21. Wherein, can be directly with lead screw 21 through motor 22 or rotate the cylinder and be connected in order to drive the lead screw 21 motion, drive assembly 2 can also be connected with lead screw 21 through the drive unit, and the drive unit includes belt pulley assembly 23 or gear assembly etc. can adjust drive assembly 2's mounted position through the setting of drive unit to adapt to different application scenario. In the application, the driving assembly 2 is taken as a servo motor 22, a transmission part is taken as a belt pulley assembly 23 for example, the belt pulley assembly 23 comprises two synchronous wheels which rotate and are arranged at intervals, a synchronous belt is sleeved outside the two synchronous wheels, one synchronous wheel is connected with an output shaft of the servo motor 22, and the other synchronous wheel is connected with a screw rod 21; so the motion of the output shaft of the servo motor 22 drives the synchronous wheel of the necklace to rotate, and the other synchronous wheel synchronously rotates under the action of the synchronous belt to drive the screw rod 21 to rotate.

The screw rod 21 is connected with a movable plate 3, the movable plate 3 is movably arranged along a moving direction parallel to the movable end of the first transmission piece 11 under the action of the movement of the screw rod 21, a plurality of clamping assemblies 1 are arranged, the distance between each first transmission piece 11 and the movable plate 3 is the same in the moving direction of the movable plate 3, and each first transmission piece 11 is covered by the movable plate 3 on a plane perpendicular to the moving direction of the movable plate; the rotation of the screw 21 drives the movable plate 3 to move, in the moving direction of the movable plate 3, the movable plate 3 covers each first transmission member 11 on a plane perpendicular to the moving direction of the movable plate 3, and in the moving stroke of the movable plate 3, the movable plate can act on the plurality of clamping assemblies 1 to realize the work of the plurality of clamping assemblies 1 through one driving assembly 2.

The distance between each first transmission member 11 and the movable plate 3 is the same, so that the movable plate 3 can drive each first transmission member 11 to synchronously move in the moving process, thereby realizing that a plurality of clamping assemblies 1 can simultaneously perform clamping operation and the like.

Each first transmission member 11 is connected with the movable plate 3 or is arranged at intervals; each first transmission piece 11 is connected with the movable plate 3, so that the movable plate 3 can be ensured to move to drive the first transmission pieces 11 to move along with the movable plate, and the clamping assemblies 1 can be synchronously opened; of course, each first transmission member 11 may be further disposed at an interval with the movable plate 3, so that distances between each first transmission member 11 and the movable plate 3 are the same, and synchronous movement of a plurality of first transmission members 11 can be achieved, and requirements of different application scenarios can be met. Of course, the movable plate 3 may be a horizontal plate-shaped structure or an inclined plate-shaped structure, and may be adaptively adjusted according to different space conditions of the application scene.

The clamping jaw mechanism further comprises a connecting piece 4, a plurality of mounting positions are arranged on the connecting piece 4, and each clamping assembly 1 is respectively arranged on each mounting position. The plurality of clamping assemblies 1 are connected simultaneously through the arrangement of the connecting pieces 4, and the plurality of clamping assemblies 1 are provided with placement positions through the arrangement of the installation positions; the consistency of the distances between the plurality of first transmission members 11 and the movable plate 3 on the plurality of clamping assemblies 1 is conveniently ensured through the arrangement of the connecting members 4.

The clamping jaw mechanism further comprises a workbench 5, the connecting piece 4 is fixedly arranged on the workbench 5, the first transmission piece 11 is movably arranged on the corresponding installation position along the moving direction of the movable plate 3, the movable plate 3 and the first transmission piece 11 are arranged at intervals, the clamping assembly 1 further comprises a reset component 14 connected with the first transmission piece 11, and the reset component 14 acts on the first transmission piece 11 to reset the first transmission piece 11; under the forward movement of the movable plate 3, the first transmission member 11 moves along with the movable plate 3 until the movable plate 3 contacts the first transmission member 11 and continues to move, so that the clamping jaws 12 are opened; because the first transmission piece 11 and the movable plate 3 are arranged at intervals, the movable plate 3 does not act on the first transmission piece 11 in the range of the reverse movement travel, so that the contact between the first transmission piece 11 and the movable plate 3 is canceled, the first transmission piece 11 returns to the original state under the reset acting force of the reset component 14, and in the process of restoring the first transmission piece 11 to the original state, the two clamping jaws 12 are mutually close to be in a gradually closed state until the clamping jaws 12 clamp the battery cell and then keep stable.

The reset component 14 comprises a fitting 141 and an elastic reset piece 142, the fitting 141 is arranged on the first transmission piece 11, and two sides of the elastic reset piece 142 are respectively matched with the connecting piece 4 and the fitting 141; by providing an abutment force to one side of elastic return member 142 by fitting 141, the other side of elastic return member 142 abuts with connecting member 4; the installation position is the hole site of seting up in connecting piece 4 for running through, and in first driving medium 11 worn to establish the hole site, assembly part 141 still can provide spacing effect for first driving medium 11, can effectively avoid first driving medium 11 to drop from the installation position. Wherein fitting 141 and first transmission member 11 may be integrally formed or fitting 141 and first transmission member 11 may be detachably connected.

The assembly member 141 is movably disposed on the first transmission member 11 to adjust the deformation amount of the elastic restoring member 142, and the assembly member 141 includes a nut, the first transmission member 11 is formed with a thread engaged with the nut, the elastic restoring member 142 includes a spring, etc., and after the first transmission member 11 is disposed on the movable member, the spring is sleeved on the outer circumferential side of the first transmission member 11, and then the nut is mounted on the first transmission member 11 such that both ends of the spring are respectively abutted against the nut and the movable member. The compression amount of the spring is adjusted by adjusting the distance between the nut and the movable piece, and the distance between the two clamping jaws 12 after the first transmission piece 11 is reset is adjusted, so that the clamping effect can be guaranteed for products with different models and sizes, and the application range of the device is improved.

The clamping jaw mechanism further comprises a second transmission assembly 6, the second transmission assembly 6 comprises a first sliding piece 61 and a second sliding piece 62 which are matched with the screw rod 21, threads on two sides of the screw rod 21 are in opposite directions, fork rods 63 are hinged to the first sliding piece 61 and the second sliding piece 62, and the two fork rods 63 are hinged and arranged, and the other ends of the fork rods 63 are connected with the movable plate 3; the first sliding piece 61 and the second sliding piece 62 synchronously and reversely move along with the rotation of the screw rod 21, and the other end of the fork rod 63 is connected with the movable plate 3 through the hinged fit between the two fork rods 63; the synchronous reverse movement of the first slider 61 and the second slider 62 drives the linear movement of the movable plate 3 through the fork 63, thereby driving the movable plate 3 to move toward the first transmission member 11 or away from the first transmission member 11.

The fork rod 63 is also provided with a rotating piece 64 which is contacted with the movable plate 3; the synchronous reverse movement of the first sliding member 61 and the second sliding member 62 drives the fork rod 63 to reciprocate on the side far away from the first sliding member 61, the two fork rods 63 do crossed circular movement, the rotating member 64 positioned on the fork rod 63 synchronously swings along with the swinging of the fork rod 63, and the two rotating members 64 positioned on the two fork rods 63 do crossed circular movement. The two rotating members 64 on the two fork bars 63 act on the movable plate 3, thereby generating uniform and stable pressure on the movable plate 3. Alternatively, the rotating member 64 may be replaced with a roller bearing, or other rolling type bearing.

In addition, two or more groups of second transmission assemblies 6 can be arranged according to the length of the movable plate 3, so that the stability of acting force applied to the movable plate 3 can be ensured, and the stability of acting force of the movable plate 3 to the groups of clamping assemblies 1 can be ensured.

Referring to fig. 1-4, the disclosed embodiments also provide a gripping device that includes a jaw mechanism as described in the previous embodiments.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on something" but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.

Claims (10)

1. A jaw mechanism, comprising:

The clamping assembly (1) comprises a base body (15), a first transmission part (11) and two clamping jaws (12) which are hinged, wherein two swinging parts (13) are hinged at the movable end of the first transmission part (11), one sides of the two swinging parts (13) away from the first transmission part (11) are respectively connected with the driving ends of the two clamping jaws (12), the middle parts of the two clamping jaws (12) are provided with hinge shafts, and the hinge shafts are rotatably arranged on the base body (15); and

The driving assembly (2), the output of driving assembly (2) is connected with lead screw (21), the motion of lead screw (21) acts on first driving medium (11), drives first driving medium (11) relatively pedestal (15) removes in order to realize two clamping jaw (12) the action of opening and shutting.

2. A jaw mechanism according to claim 1, further comprising a movable plate (3), said movable plate (3) being connected to said screw (21) and being movably arranged under the action of said screw (21) in a direction parallel to the movement of the movable end of said first transmission member (11), said clamping assembly (1) being provided with a plurality of said first transmission members (11) and said movable plate (3) being at the same distance in the movement direction of said movable plate (3), said movable plate (3) covering each said first transmission member (11) on a plane perpendicular to its own movement direction.

3. Jaw mechanism according to claim 2, characterized in that each of said first transmission members (11) is connected to or spaced apart from said movable plate (3).

4. A jaw mechanism according to claim 2, further comprising a connector (4), wherein a plurality of mounting locations are provided on the connector (4), each of the clamping assemblies (1) being provided on each of the mounting locations.

5. The clamping jaw mechanism as claimed in claim 4, further comprising a workbench (5), wherein the connecting piece (4) is fixedly arranged on the workbench (5), the first transmission piece (11) is movably arranged on the corresponding mounting position along the moving direction of the movable plate (3), the movable plate (3) and the first transmission piece (11) are arranged at intervals, the clamping assembly (1) further comprises a reset component (14) connected with the first transmission piece (11), and the reset component (14) acts on the first transmission piece (11) to reset the first transmission piece (11).

6. A jaw mechanism according to claim 5, characterized in that said return member (14) comprises a fitting (141) and an elastic return member (142), said fitting (141) being provided on said first transmission member (11), both sides of said elastic return member (142) being respectively engaged with said connecting member (4) and said fitting (141).

7. A jaw mechanism according to claim 6, characterized in that said fitting (141) is movably arranged on said first transmission member (11) to adjust the amount of deformation of said elastic return member (142).

8. A jaw mechanism according to claim 2, further comprising a second transmission assembly (6), wherein the second transmission assembly (6) comprises a first sliding part (61) and a second sliding part (62) which are matched with the screw rod (21), threads on two sides of the screw rod (21) are oppositely rotated, fork rods (63) are hinged on the first sliding part (61) and the second sliding part (62), and the two fork rods (63) are hinged and are connected with the movable plate (3) at the other ends.

9. Jaw mechanism according to claim 8, characterized in that said fork lever (63) is further provided with a rotating member (64) in contact with said mobile plate (3).

10. A gripping device, comprising: a jaw mechanism according to any one of claims 1-9.