CN212470362U

CN212470362U - Welding jig is used in production of lithium cell group

Info

Publication number: CN212470362U
Application number: CN202020945812.4U
Authority: CN
Inventors: 罗春燕; 梁林海
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-05
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a welding jig is used in production of lithium cell group relates to lithium cell processing technology field. The utility model comprises a bottom plate, wherein a blanking channel is arranged at one end of the bottom plate; a supporting plate is vertically arranged on one side of the bottom plate, which is far away from the blanking channel; a connecting plate is arranged at one side of the top end of the supporting plate close to the bottom plate; the end part of the connecting plate is provided with a cylinder; a clamping plate is fixed at the end part of the piston rod of the cylinder; the surfaces of the bottom plates and the two sides of the clamping plate are matched with limiting plates in a sliding way; a servo motor is arranged on one side of the bottom plate; a bidirectional threaded rod is fixed at the rotating shaft end of the servo motor; two ends of the bidirectional threaded rod are respectively in threaded fit with the two limiting plates. The utility model discloses a blanking passageway carries out the guide to the lithium cell, and splint separate the centre gripping to a plurality of lithium cells are automatic under the effect of cylinder, and two limiting plates carry on spacingly to the lithium cell both ends of centre gripping under the effect of two-way threaded rod, and centre gripping efficiency is higher, and use cost is low, has reduced the cost of lithium cell production, and the practicality is stronger.

Description

Welding jig is used in production of lithium cell group

Technical Field

The utility model belongs to the technical field of lithium cell processing, especially, relate to a welding jig is used in production of lithium cell group.

Background

With the development of new energy industry, more and more power systems adopt novel energy sources to replace fuels such as gasoline and coal, particularly, when the lithium battery is used as a fire-heating lithium battery, for example, the lithium battery can be used in automobiles and motorcycles, and is used as a novel energy source, so that the environment is protected, the energy is saved, the lithium battery applies pressure through electrodes after welding pieces are combined, and a method of welding by using resistance heat generated by current passing through a contact surface of a joint and an adjacent area is called as resistance welding. The resistance welding has the characteristics of high production efficiency, low cost, material saving, easy automation and the like, so the resistance welding is widely applied to various industrial departments of aviation, aerospace, energy, electronics, automobiles, light industry and the like and is one of important welding processes.

The embodiment of the cylindrical battery welding clamp disclosed in the chinese patent CN206998118U (application number: 201720680718.9) is that an upper clamp is opened by a mechanical arm, a cylindrical lithium battery is placed in a containing cavity between the upper clamp and a lower clamp, and then the upper clamp is closed by the mechanical carrying arm, a first positioning module is pushed by a cylinder and is pressed against two ends of the lithium battery by a second positioning module, at this time, a rotating motor is opened, a rotating shaft is driven by the rotating motor to rotate, the welding process of the whole circumference is completed, a scrap tray on a workbench can receive scraps falling during welding, the cleanness and safety of equipment are ensured, when the lithium battery is clamped and fixed, the lithium battery needs to be placed in the containing cavity one by matching with the mechanical arm, the efficiency is low, the cost required by matching with the mechanical arm is high, and the cost of lithium battery production is additionally increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a welding jig is used in lithium cell group production uses through the cooperation of bottom plate, unloading passageway, splint and limiting plate, has solved the problem that current lithium cell welding jig is efficient, use cost is higher.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a welding fixture for lithium battery pack production, which comprises a bottom plate, wherein a blanking channel is arranged at one end of the bottom plate; a supporting plate is vertically arranged on one side, far away from the blanking channel, of the bottom plate; a connecting plate is arranged at one side, close to the bottom plate, of the top end of the supporting plate; the end part of the connecting plate is provided with a cylinder; a clamping plate is fixed at the end part of the piston rod of the cylinder; the limiting plates are in sliding fit with the surfaces of the bottom plates and positioned on the two sides of the clamping plate; a servo motor is arranged on one side of the bottom plate; a bidirectional threaded rod is fixed at the rotating shaft end of the servo motor; and two ends of the bidirectional threaded rod are respectively in threaded fit with the two limiting plates.

Furthermore, partition plates are arranged on the surface array of the clamping plate away from the cylinder; u-shaped grooves are formed in the surfaces of the clamping plates and between two adjacent partition plates; both sides of one end of the clapboard, which is far away from the clamping plate, are of a bevel structure; and one end of the clamping plate, which is close to the supporting plate, is provided with a guide sleeve.

Furthermore, slotted holes are formed in the surface of the limiting plate and between two adjacent partition plates; and the bottom of the limiting plate is provided with a threaded hole matched with the bidirectional threaded rod.

Furthermore, a guide rod matched with the guide sleeve is arranged on the surface of the supporting plate and between the bottom plate and the connecting plate.

Furthermore, a channel matched with the bidirectional threaded rod is arranged between the two sides of the bottom plate; the peripheral side surfaces at the two ends of the channel are communicated with the upper surface of the bottom plate.

Furthermore, the blanking channel is obliquely arranged relative to the bottom plate; the inclination angle of the blanking channel is between 20 and 50 degrees.

The utility model discloses following beneficial effect has:

the utility model discloses a cooperation of bottom plate, unloading passageway, splint and limiting plate is used, and the unloading passageway carries out the guide to the lithium cell, and splint separate the centre gripping to a plurality of lithium cells are automatic under the effect of cylinder, and two limiting plates carry on spacingly to the lithium cell both ends of centre gripping under the effect of two-way threaded rod, and centre gripping efficiency is higher, and use cost is low, has reduced the cost of lithium cell production, and the practicality is stronger.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a welding jig for lithium battery pack production according to the present invention;

FIG. 2 is a schematic view of an assembly structure of a bottom plate, a blanking channel and a bidirectional threaded rod;

FIG. 3 is a schematic view of the splint;

FIG. 4 is a schematic structural diagram of a limiting plate;

in the drawings, the components represented by the respective reference numerals are listed below:

1-bottom plate, 2-blanking channel, 3-cylinder, 4-clamping plate, 5-limiting plate, 6-servo motor, 7-bidirectional threaded rod, 101-supporting plate, 102-connecting plate, 103-guide rod, 104-groove, 401-baffle, 402-U-shaped groove, 403-guide sleeve, 501-groove hole and 502-threaded hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention relates to a welding fixture for lithium battery pack production, which comprises a bottom plate 1,

one end of the bottom plate 1 is provided with a blanking channel 2; a supporting plate 101 is vertically arranged on one side of the bottom plate 1, which is far away from the blanking channel 2; a connecting plate 102 is arranged at one side of the top end of the supporting plate 101 close to the bottom plate 1; the end of the connecting plate 102 is provided with a cylinder 3; a clamping plate 4 is fixed at the end part of a piston rod of the cylinder 3; the surface of the bottom plate 1 and two sides of the clamping plate 4 are in sliding fit with limiting plates 5; one side of the bottom plate 1 is provided with a servo motor 6; a bidirectional threaded rod 7 is fixed at the rotating shaft end of the servo motor 6; two ends of the bidirectional threaded rod 7 are respectively in threaded fit with the two limiting plates 5.

Wherein, the surface array of the clamping plate 4 far away from the cylinder 3 is provided with a clapboard 401; u-shaped grooves 402 are formed in the surfaces of the clamping plates 4 and between two adjacent partition plates 401; both sides of one end of the partition board 401 far away from the clamping board 4 are of a bevel cutting structure; the clamping plate 4 is provided with a guide sleeve 403 at one end close to the supporting plate 101.

Slotted holes 501 are formed in the surface of the limiting plate 5 and between two adjacent partition plates 401; the bottom of the limiting plate 5 is provided with a threaded hole 502 matched with the bidirectional threaded rod 7.

Wherein, a guide rod 103 matched with the guide sleeve 403 is arranged on the surface of the support plate 101 and between the bottom plate 1 and the connecting plate 102.

Wherein, a channel 104 matched with the bidirectional threaded rod 7 is arranged between the two sides of the bottom plate 1; the peripheral sides of the two ends of the channel 104 are communicated with the upper surface of the bottom plate 1.

Wherein, the blanking channel 2 is obliquely arranged relative to the bottom plate 1; the inclination angle of the blanking channel 2 is between 20 and 50 degrees.

One specific application of this embodiment is: when in use, a plurality of lithium batteries roll down from the falling channel 2 and move to the surface of the bottom plate 1, because the guide sleeve 403 at one end of the clamping plate 4 is in sliding fit with the guide rod 103 on the surface of the supporting plate 101, the cylinder 3 is started and drives the clamping plate 4 to move downwards through the piston rod, because both sides of the bottom ends of the partition boards 401 are of the inclined cutting structure, a plurality of lithium batteries on the surface of the bottom board 1 are automatically separated and are positioned in the U-shaped groove 402 between two adjacent partition boards 401, the air cylinder 3 continuously drives the clamping board 4 to move downwards so that the clamping board 4 clamps the plurality of lithium batteries, the servo motor 6 drives the bidirectional threaded rod 7 to rotate when rotating, because two limiting plates 5 pass through screw hole 502 and two-way threaded rod 7 both ends screw-thread fit for two limiting plates 5 relative movement and carry out the centre gripping spacing to the lithium cell both ends that are located the centre gripping between splint 4 and the bottom plate 1, carry out welding machine work to the lithium cell through slotted hole 501 on limiting plate 5 surface during the welding.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A welding clamp for producing a lithium battery pack comprises a bottom plate (1),

the method is characterized in that:

a blanking channel (2) is arranged at one end of the bottom plate (1); a supporting plate (101) is vertically arranged on one side, away from the blanking channel (2), of the bottom plate (1); a connecting plate (102) is arranged on one side, close to the bottom plate (1), of the top end of the supporting plate (101); the end part of the connecting plate (102) is provided with a cylinder (3); a clamping plate (4) is fixed at the end part of the piston rod of the cylinder (3); the limiting plates (5) are in sliding fit with the surface of the bottom plate (1) and positioned at the two sides of the clamping plate (4); a servo motor (6) is arranged on one side of the bottom plate (1); a bidirectional threaded rod (7) is fixed at the rotating shaft end of the servo motor (6); and two ends of the bidirectional threaded rod (7) are respectively in threaded fit with the two limiting plates (5).

2. The welding fixture for producing the lithium battery pack is characterized in that the surface of the clamping plate (4) far away from the cylinder (3) is provided with a plurality of partition plates (401); u-shaped grooves (402) are formed in the surfaces of the clamping plates (4) and between two adjacent partition plates (401); both sides of one end, far away from the clamping plate (4), of the partition plate (401) are of an oblique cutting structure; and a guide sleeve (403) is arranged at one end of the clamping plate (4) close to the supporting plate (101).

3. The welding fixture for producing the lithium battery pack as claimed in claim 2, wherein slotted holes (501) are formed on the surfaces of the limiting plates (5) and between two adjacent separators (401); and a threaded hole (502) matched with the bidirectional threaded rod (7) is formed in the bottom of the limiting plate (5).

4. The welding fixture for producing the lithium battery pack is characterized in that a guide rod (103) matched with the guide sleeve (403) is arranged on the surface of the supporting plate (101) and between the bottom plate (1) and the connecting plate (102).

5. The welding fixture for producing the lithium battery pack is characterized in that a channel (104) matched with the bidirectional threaded rod (7) is arranged between two sides of the bottom plate (1); the peripheral side surfaces of two ends of the channel (104) are communicated with the upper surface of the bottom plate (1).

6. The welding fixture for lithium battery pack production according to claim 1, wherein the blanking channel (2) is arranged obliquely relative to the base plate (1); the inclination angle of the blanking channel (2) is between 20 and 50 degrees.