CN211577379U

CN211577379U - Lithium ion battery pressure core surveys short circuit automation equipment

Info

Publication number: CN211577379U
Application number: CN201921748402.4U
Authority: CN
Inventors: 温恒
Original assignee: Ganzhou Norway Technology Co ltd
Current assignee: Ganzhou Norway Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-09-25
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to the technical field of lithium battery testing equipment, in particular to lithium battery core pressing and short circuit testing automation equipment, which comprises a lower pressing piece and a core pressing copper die, a core pressing copper die is arranged below the lower pressing piece, first circular grooves are symmetrically arranged on the bottom end surface of the lower pressing piece at equal intervals, the two sides of the first circular groove are symmetrically provided with sliding grooves, the top end of the first circular groove is provided with a first groove, the inner side wall of the first groove is provided with a first thread, the top end of the first groove is provided with a second groove, the first thread is connected with the second thread through threads, the second thread is arranged on the outer side wall of the circular ring lug, the utility model has good auxiliary function for the core pressing work, when the core pressing operation is carried out, the core pressing device not only can have a good protection effect on the electric core, but also can lead the electric core to be more stable in compression and fixation, and is not easy to loosen, so that the core pressing operation is normally carried out, and the production benefit is further ensured.

Description

Lithium ion battery pressure core surveys short circuit automation equipment

Technical Field

The utility model relates to a lithium battery test equipment technical field specifically is a lithium ion battery presses core to survey short circuit automation equipment.

Background

The lithium ion battery has the characteristics of high specific energy, large specific power, long service life, wide working range and the like, is applied to pure electric vehicles and hybrid electric vehicles, and is supported and promoted by governments of various countries in the last decade, the technology of the lithium ion battery is rapidly developed, the manufacturing process of the lithium ion battery mainly comprises the working procedures of batching, coating, flaking, assembling, injecting, forming and the like, the industrialization of the lithium ion battery is also promoted forward, core pressing and short circuit detection in the assembling link are very important for the production of the lithium battery, Chinese patent document with the authorization publication number of CN209200090U in the prior art discloses an automatic device for detecting the short circuit of the lithium ion battery core pressing, wherein the two working procedures of core pressing and short circuit detection in the lithium battery assembling are combined on the same machine at the same time, the complex work is simplified, the production efficiency is improved, and the production cost is reduced, have very high practicality, but the same problem that exists, when carrying out the pressure core during operation, it sets up the pressure core copper mould on the pressure core station, the rethread pushes down the piece and pushes down with electric core, and then realize the pressure core work, at this in-process, it controls the dynamics of pushing down of piece through pneumatic cylinder control yaanli, even though like this also can exist with the pressure of pushing down the piece to electric core too big, cause the impaired fracture even of electric core, perhaps the undersize of pressure, can not press the electric core firmly, and then cause not hard up, influence going on of pressure core work, for this, the utility model provides a lithium ion battery pressure core surveys short circuit automation equipment is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion battery presses core to survey short circuit automation equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium ion battery core pressing surveys short circuit automation equipment, includes pushes down piece and pressure core copper mould, it is provided with pressure core copper mould to push down the piece below, it sets up first circular slot to push down piece bottom face equidistance symmetry, first circular slot bilateral symmetry sets up the spout, the top sets up first recess, first recess inside wall sets up first screw thread, the top sets up the second recess, first screw thread and second screw thread threaded connection, the second screw thread sets up on ring lug lateral wall, ring lug integrated into one piece sets up in ring one side, the ring joint is in the second recess, first circular slot bottom integrated into one piece is provided with first spring, first spring other end integrated into one piece sets up at first cylinder end, first cylinder one end avris integrated into one piece symmetry sets up the slider, slider sliding connection spout, the first cylinder other end sets up second circular slot, And terminal surface integrated into one piece sets up the second spring, second spring other end integrated into one piece sets up in third circular slot bottom, third circular slot equidistance symmetry sets up at the stripper plate up end, third circular slot bottom end integrated into one piece sets up the second cylinder, second cylinder other end integrated into one piece sets up the third spring, third spring other end integrated into one piece sets up in the second circular slot, terminal surface bonds under the stripper plate has the rubber pad.

Preferably, the diameter of the third circular groove is equal to the diameter of the first cylinder, the diameter of the first circular groove is larger than the diameter of the second cylinder, and the diameter of the second cylinder is equal to the diameter of the second circular groove.

Preferably, the slider and the first spring are arranged at the same end of the first cylinder, the cross section of the slider is the same as that of the sliding groove, and the length of the slider is smaller than that of the sliding groove.

Preferably, the diameter of the cylinder is equal to the inner diameter of the circular ring, the inner diameter of the circular ring bump and the diameter of the first circular groove.

Preferably, the outer diameter of the circular ring is larger than the outer diameter of the circular ring lug, the inner diameter of the circular ring is equal to that of the circular ring lug, the outer diameter of the circular ring is equal to that of the second groove, and the outer diameter of the circular ring lug is equal to that of the first groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through the utility model discloses can have fine auxiliary action to the pressure core work, when carrying out the pressure core during operation, not only can have fine guard action to electric core, still make compressing tightly of electric core fixed more firm, the not easy normal clear of guaranteeing the pressure core work that becomes flexible, and then guarantee the productivity effect.

Drawings

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

FIG. 2 is an exploded bottom view of the connection structure of the present invention;

fig. 3 is an exploded top view of the connection structure of the present invention.

In the figure: lower pressing member 1, pressure core copper mould 2, first circular slot 3, spout 4, first recess 5, first screw thread 6, second recess 7, second screw thread 8, ring lug 9, ring 10, first spring 11, first cylinder 12, slider 13, second circular slot 14, second spring 15, third circular slot 16, second cylinder 17, third spring 18, stripper plate 19, rubber pad 20.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model relates to an automatic device for testing short circuit by pressing a core of a lithium ion battery, which comprises a lower pressing piece 1 and a core pressing copper die 2, wherein the core pressing copper die 2 is arranged below the lower pressing piece 1, first circular grooves 3 are symmetrically arranged on the bottom end surface of the lower pressing piece 1 at equal intervals, sliding grooves 4 are symmetrically arranged on two sides of the first circular grooves 3, first grooves 5 are arranged on the top ends of the first circular grooves 3, the inner side wall of each first groove 5 is also provided with a first thread 6, the top end of the first groove is provided with a second groove 7, the first thread 6 is in threaded connection with the second thread 8, the second thread 8 is arranged on the outer side wall of a circular ring bump 9, the circular ring bump 9 is integrally formed on one side of a circular ring 10, the circular ring 10 is clamped in the second groove 7, the outer diameter of the circular ring 10 is required to be larger than the outer diameter of the circular ring bump 9, the inner diameter of the circular ring 10 is equal to the inner diameter of the circular ring bump 9, the outer diameter of the circular ring, the purpose of this is that the connection between the ring projection 9 and the first recess 5 is more stable and secure with respect to the connection between the ring 10 and the second recess 7.

For the bottom end of the first circular groove 3 is integrally formed with a first spring 11, the other end of the first spring 11 is integrally formed at the end of a first cylinder 12, and the diameter of the cylinder 12 is equal to the inner diameter of a circular ring 10, the inner diameter of a circular ring bump 9 and the diameter of the first circular groove 3, one end side of the first cylinder 12 is integrally formed with a sliding block 13 symmetrically, the sliding block 13 is connected with a sliding groove 4 in a sliding way, and the cross section of the sliding block 13 is the same as that of the sliding groove 4, the sliding block 13 is connected with the sliding groove 4, and the length of the sliding block 13 is smaller than that of the sliding groove 4, so that the sliding of the first cylinder 12 in the first circular groove 3 is more stable, the sliding block 13 and the first spring 11 are at the same end of the first cylinder 12, the other end of the first cylinder 12 is provided with a second circular groove 14, and the end surface is integrally formed with a second spring 15, and the other end of, the third circular grooves 16 are symmetrically arranged on the upper end surface of the extrusion plate 19 in an equidistance manner, the bottom end of the third circular grooves 16 is integrally provided with a second cylinder 17, the diameter of the third circular grooves 16 is equal to that of the first cylinder 12, the diameter of the first circular grooves 16 is larger than that of the second cylinder 17, and the diameter of the second cylinder 17 is equal to that of the second circular grooves 14, so that the first cylinder 12 can stably slide in the third circular grooves 16, the second cylinder 17 can stably slide in the second circular grooves 14, the other end of the second cylinder 17 is integrally provided with a third spring 18, the other end of the third spring 18 is integrally arranged in the second circular grooves 14, the lower end surface of the extrusion plate 19 is bonded with a rubber pad 20, and the first spring 11, the second spring 14 and the third spring 18 which are arranged in the utility model are all used for the purpose of having good buffer protection effect on the electric core when core pressing work is carried out, and the purpose that rubber pad 20 is bonded to the bottom end of extrusion plate 19 needs to be described here, on one hand, the rubber pad has a further protective effect on the electric core, and on the other hand, due to the friction force of rubber pad 20, the rubber pad has a good auxiliary effect on fixing the electric core, so that the electric core is not easy to loosen, the efficiency of core pressing work is further improved, and the productivity is improved, and the rubber pad is very practical.

Chinese patent document with notice number CN209200090U mentioned to the background art center discloses a lithium ion battery core pressing short circuit automatic equipment, which closes the core pressing and short circuit measuring two processes in the lithium battery assembly on the same machine and simultaneously carries out, simplifies the complex work, reduces the production cost while improving the production efficiency, has very high practicability, but has fragile battery core and battery core loosening condition, to the utility model discloses a first circular groove 3 is seted up to the bottom of casting die under to set up stripper plate 19, can realize not only having fine protection to the battery core, can also carry out fine fixing with the battery core, can not become flexible easily, guarantees the normal operation of core pressing work, and then guarantees the productivity effect.

The working principle is as follows: through the utility model discloses can have fine auxiliary action to the pressure core work, at carrying out the pressure core during operation, not only can have fine guard action to electric core, still make compressing tightly of electric core fixed more firm, difficult not hard up normal clear of guaranteeing the pressure core work, and then guarantee the productivity effect, the utility model discloses the purpose of first spring 11, second spring 14 and third spring 18 that set up all is to carrying out the pressure core during operation, has fine buffering guard action to electric core to the setting effect of rubber pad 20 is also very useful, has further guard action to electric core on the one hand, and on the other hand is because the frictional force of rubber pad 20 has fine supplementary effect to the fixed of electric core for electric core is difficult not hard up, the going on of the pressure core work of being convenient for, and then improves the productivity effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium ion battery presses core to survey short circuit automation equipment, includes holding down piece (1) and pressure core copper mould (2), its characterized in that: the lower part of the lower part (1) is provided with a pressing core copper die (2), the bottom end face of the lower part (1) is symmetrically provided with first circular grooves (3) at equal intervals, the two sides of each first circular groove (3) are symmetrically provided with sliding grooves (4), the top end of each first circular groove is provided with a first groove (5), the inner side wall of each first groove (5) is provided with a first thread (6), the top end of each first groove is provided with a second groove (7), the first threads (6) are in threaded connection with second threads (8), the second threads (8) are arranged on the outer side wall of a circular ring lug (9), the circular ring lug (9) is integrally formed on one side of a circular ring (10), the circular ring (10) is clamped in the second groove (7), the bottom end of the first circular groove (3) is integrally formed with a first spring (11), and the other end of the first spring (11) is integrally formed at the end part of a first cylinder (12), first cylinder (12) one end avris integrated into one piece symmetry sets up slider (13), slider (13) sliding connection spout (4), first cylinder (12) other end sets up second circular slot (14) and terminal surface integrated into one piece sets up second spring (15), second spring (15) other end integrated into one piece sets up in third circular slot (16) bottom, third circular slot (16) equidistance symmetry sets up in stripper plate (19) up end, third circular slot (16) bottom integrated into one piece sets up second cylinder (17), second cylinder (17) other end integrated into one piece sets up third spring (18), third spring (18) other end integrated into one piece sets up in second circular slot (14), terminal surface bonds under stripper plate (19) has rubber pad (20).

2. The lithium ion battery voltage core short circuit detection automation equipment of claim 1, characterized in that: the diameter of the third circular groove (16) is equal to that of the first cylinder (12), the diameter of the first circular groove (3) is larger than that of the second cylinder (17), and the diameter of the second cylinder (17) is equal to that of the second circular groove (14).

3. The lithium ion battery voltage core short circuit detection automation equipment of claim 1, characterized in that: the sliding block (13) and the first spring (11) are arranged at the same end of the first cylinder (12), the cross section of the sliding block (13) is the same as that of the sliding groove (4), and the length of the sliding block (13) is smaller than that of the sliding groove (4).

4. The lithium ion battery voltage core short circuit detection automation equipment of claim 1, characterized in that: the diameter of the cylinder (12) is equal to the inner diameter of the circular ring (10), the inner diameter of the circular ring bump (9) and the diameter of the first circular groove (3).

5. The lithium ion battery voltage core short circuit detection automation equipment of claim 1, characterized in that: the outer diameter of the circular ring (10) is larger than the outer diameter of the circular ring lug (9), the inner diameters of the circular ring (10) and the circular ring lug (9) are equal, the outer diameter of the circular ring (10) is equal to the diameter of the second groove (7), and the outer diameter of the circular ring lug (9) is equal to the diameter of the first groove (5).