CN210349991U

CN210349991U - Lamination hold-down mechanism and device

Info

Publication number: CN210349991U
Application number: CN201921434125.XU
Authority: CN
Inventors: 梁亨健; 罗林; 胡德军; 周俊雄; 周俊杰
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-04-17
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a lamination pressing mechanism, which comprises a lamination pressing component, wherein the lamination pressing component comprises an installation block, an installation guide rail, a sliding seat and a pressing cutter; the mounting guide rail is arranged on the mounting block; the sliding seat is arranged on the installation guide rail; the pressing knife is arranged on the sliding seat. The utility model also provides a lamination closing device. The utility model discloses a lamination hold-down mechanism simple structure sets up in the installation piece through installing the guide rail slope for the sliding seat drives the cutter pressing and has certain inclination when taking out, thereby takes the diaphragm when avoiding the cutter pressing to take out, and can smooth diaphragm and pole piece, guarantees the alignment degree of diaphragm and pole piece, thereby guarantees the quality of electric core product.

Description

Lamination hold-down mechanism and device

Technical Field

The utility model relates to an electricity core production technical field specifically, relates to a lamination hold-down mechanism and device.

Background

In the manufacturing process of the lithium battery, a laminating machine is generally adopted to perform Z-shaped lamination assembly on a positive plate, a negative plate and a diaphragm of a lithium battery cell to manufacture the cell. At present, a common lamination mode is that a lamination table moves back and forth between two lamination positions, a positive and negative sheet taking mechanical arm alternately discharges materials at the lamination positions, an isolating film forms a Z shape to separate a positive electrode sheet and a negative electrode sheet, the processes are repeated in a circulating mode to form a complete battery cell, in the lamination process, when the mechanical arm presses the electrode sheets, a pressing knife is drawn out from the lower side of a next layer of diaphragm and then presses the upper side of the electrode sheets, the pressing knife is in contact with the diaphragm, in the drawing-out process, the pressing knife is easy to take up the diaphragm in the drawing-out process, the alignment degree of the diaphragm and the electrode sheets is poor, and the quality of a battery cell product is influenced.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model discloses a lamination hold-down mechanism, it includes: the lamination pressing assembly comprises a mounting block, a mounting guide rail, a sliding seat and a pressing cutter; the mounting guide rail is arranged on the mounting block; the sliding seat is arranged on the installation guide rail; the pressing knife is arranged on the sliding seat.

According to an embodiment of the present invention, the mounting rail is disposed in the mounting block in an inclined manner.

According to the utility model discloses an embodiment, above-mentioned lamination compresses tightly subassembly still includes the regulating part, and the regulating part sets up in the sliding seat.

According to an embodiment of the present invention, the adjusting member includes an adjusting fixing block, an ejector block and a pushing block; the top block is inserted into the adjusting fixed block and is abutted against the sliding seat; the ejector pad is inserted in the adjusting fixing block and is abutted to the ejector block.

According to an embodiment of the present invention, the top block has a limiting hole.

According to an embodiment of the present invention, the lamination pressing assembly further includes an elastic member; the two ends of the elastic piece are respectively connected with the mounting block and the sliding seat.

According to an embodiment of the present invention, the lamination pressing mechanism further comprises a lamination pressing moving assembly; the lamination pressing assembly is arranged on the lamination pressing moving assembly.

According to an embodiment of the present invention, the lamination pressing moving assembly includes a moving bracket, a vertical moving member, and a horizontal moving member; vertical moving member and horizontal moving member all set up in the movable support.

According to the utility model discloses an embodiment, be equipped with the buffer block on the above-mentioned movable support.

The utility model discloses another aspect provides a lamination closing device, including foretell lamination hold-down mechanism.

The utility model has the advantages that: the utility model discloses a lamination hold-down mechanism simple structure sets up in the installation piece through installing the guide rail slope for the sliding seat drives the cutter pressing and has certain inclination when taking out, thereby takes the diaphragm when avoiding the cutter pressing to take out, and can smooth diaphragm and pole piece, guarantees the alignment degree of diaphragm and pole piece, thereby guarantees the quality of electric core product.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural view of a lamination pressing mechanism in an embodiment of the present invention;

fig. 2 is a schematic structural view of a lamination hold-down assembly according to an embodiment of the present invention;

fig. 3 is another schematic view of a lamination hold-down assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of another embodiment of a lamination hold-down assembly according to the present invention;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

fig. 6 is a schematic diagram of a lamination in an embodiment of the present invention.

Description of reference numerals:

2. a lamination pressing mechanism; 21. a lamination pressing assembly; 211. mounting blocks; 212. installing a guide rail; 213. a sliding seat; 2131. mounting holes; 214. pressing a cutter; 215. an adjustment member; 2151. adjusting the fixed block; 2152. A top block; 2153. a push block; 216. an elastic member; 217. a drive block; 22. a lamination pressing moving assembly; 221. moving the support; 222. a vertical moving member; 223. a horizontal moving member; 23. a buffer block; 3. a load-bearing platform; 501. a diaphragm; 502. a positive plate; 503. and a negative plate.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:

referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a lamination pressing mechanism according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of the lamination pressing assembly in the embodiment of the present invention. As shown, the lamination pressing mechanism 2 includes a lamination pressing moving assembly 22 and two lamination pressing assemblies 21. The two lamination pressing assemblies 21 are oppositely arranged on the lamination pressing moving assembly 22.

In this embodiment, the number of the lamination pressing mechanisms 2 is two, the two lamination pressing mechanisms 2 are arranged in parallel, and the two lamination pressing mechanisms 2 compress the diaphragm or the pole piece.

Further, the lamination pressing movement assembly 22 includes a movement bracket 221, a vertical moving member 222, and a horizontal moving member 222. The movable support 221 comprises two vertical plates 2211 and two transverse plates 2212, the vertical plates 2211 are arranged in parallel, the transverse plates 2212 are arranged at one ends of the two vertical plates 2211 to form a support shaped like a Chinese character 'men', and the transverse plates 2212 are connected with a lamination pressing driving mechanism. Two risers 2211 slide respectively through vertical moving member 222 and set up in the mounting bracket. The horizontal moving member 222 is disposed on a surface of the horizontal plate 2212 away from the vertical plate 2211. In particular, the vertical moving member 222 and the horizontal moving member 222 are linear guide rails.

Referring to fig. 3, 4 and 5, fig. 3 is another schematic structural diagram of the lamination pressing assembly according to the embodiment of the present invention; fig. 4 is a schematic view of another embodiment of a lamination hold-down assembly according to the present invention; fig. 5 is a sectional view a-a of fig. 4. As shown, each lamination hold-down assembly 21 includes a mounting block 211, a mounting rail 212, a sliding seat 213, and a press blade 214. The mounting block 211 is slidably disposed on the horizontal moving member 222, a driving block 217 is disposed on the mounting block 211, and the driving block 217 is connected to the lamination pressing driving mechanism. The mounting rail 212 is obliquely provided to the mounting block 211. The sliding base 213 is slidably disposed on the mounting rail 212 via a slider. The pressing blade 214 is disposed on the sliding seat 213.

When the lamination pressing driving mechanism drives the two mounting blocks 211 to slide oppositely to a preset position, the lamination pressing driving mechanism drives the moving support 221 to drive the two lamination pressing assemblies 21 to descend, and the two sides of the diaphragm or the pole piece are pressed; after two installation blocks 211 of lamination pressing actuating mechanism drive slide to the predetermined position mutually back on the back, lamination pressing actuating mechanism drive removes support 221 and drives two lamination pressing assemblies 21 and rise, two pressing knives 214 do not compress tightly diaphragm or pole piece this moment, because installation guide rail 212 slope sets up, consequently, be certain inclination with diaphragm or pole piece and take out when pressing knife 214 takes out, both can reduce the friction, can prevent to take up the pole piece again, and, pressing knife 214 can be with diaphragm or pole piece exhibition flat when extracting, improve the production quality of electric core.

Preferably, the mounting block 211 is further provided with a connecting plate 218, the driving block 217 is screwed on the connecting plate 218 through a bolt, and the distance between the left pressing knife 214 and the right pressing knife 214 is adjusted by adjusting the position of the driving block 217 on the connecting plate 218, so that the cells with different sizes are pressed tightly.

Preferably, the two surfaces of the pressing knife 214 are pasted with teflon coatings, and the teflon coatings have non-stick performance, so that the pressing knife 214 can be effectively prevented from lifting a diaphragm or a pole piece when being pulled out.

Preferably, the sliding seat 213 has a plurality of mounting holes 2131, and the plurality of mounting holes 2131 are a plurality of mounting positions, so that a user can mount the pressing blade 214 to a predetermined position as required, and adjust the position of the pressing blade 214, which is convenient to use.

Preferably, each lamination hold-down assembly 21 further includes an adjustment member 215. The adjusting member 215 includes an adjusting fixing block 2151, a top block 2152, and a push block 2153. The adjusting fixing block 2151 is provided with an L-shaped inner cavity, one end of the ejector block 2152 is inserted into the inner cavity of the adjusting fixing block 2151, the other end of the ejector block 2152 abuts against the sliding seat 213, one end of the push block 2153 is inserted into the inner cavity of the adjusting fixing block 2151, the ejector block 2152 and the push block 2153 are perpendicular to each other, one end, inserted into the inner cavity of the adjusting fixing block 2151, of the ejector block 2152 is provided with a first inclined surface, one end, inserted into the inner cavity of the adjusting fixing block 2151, of the push block 2153 is provided with a second inclined surface, and the first inclined surface and the second inclined surface are in contact with each other.

Preferably, the top block 2152 has a limit hole 21521. During specific application, the bolt penetrates through the adjusting fixing block 2151 and the limiting hole 21521 in sequence to fix the ejection block 2152, and it needs to be noted that the aperture of the limiting hole 21521 is larger than the diameter of the bolt, so that the ejection block 2152 is pushed by the push block 2153 to move.

Preferably, each lamination hold-down assembly 21 further includes a resilient member 216. One end of the elastic member 216 is connected to the connection post of the mounting block 211, and the other end of the elastic member 216 is connected to the connection post of the sliding seat 213, specifically, the elastic member 216 is a tension spring. When the pressing knife 214 presses the diaphragm or the pole piece, the elastic part 216 is stretched, the elastic part 216 is to be restored to an unstretched state, the pulling force of the elastic part 216 acts on the sliding seat 213 to enable the sliding seat to have a tendency of sliding towards the direction of the mounting block 211, so that the pressing knife 214 generates certain pressure on the diaphragm or the pole piece to ensure that the diaphragm or the pole piece is pressed, meanwhile, the elastic part 216 can automatically adapt to the different thicknesses of the pole piece according to the difference of the thicknesses of the pole piece, and the situation that the unstable pole piece is pressed due to the fact that the same force is adopted is.

Preferably, a buffer block 23 is arranged between the two lamination pressing assemblies 21 which are oppositely arranged, the buffer block 23 is arranged on the moving bracket 221, and when the two lamination pressing assemblies 21 move towards each other, the buffer block 23 plays a role in buffering and preventing the two lamination pressing assemblies 21 from being directly impacted together to cause damage.

The utility model also provides a lamination closing device, lamination closing device include lamination hold-down mechanism 2, lamination compress tightly actuating mechanism (not shown in the figure) and load-bearing platform 3. The lamination pressing driving mechanism is connected with the lamination pressing mechanism 2. The load-bearing platform 3 is located between the lamination hold-down mechanisms 2.

The lamination pressing driving mechanism comprises a horizontal driving part and a vertical driving part. The horizontal driving part is connected to the driving block 217 on the mounting block 211. The vertical driving part is connected with the moving bracket 221. The horizontal driving part can drive the driving block 217 to drive the mounting block 211 to slide horizontally on the movable bracket 221, and the vertical driving part can drive the movable bracket 221 to slide vertically. When the double-face cam driving mechanism is specifically applied, the horizontal driving part and the vertical driving part can adopt two independent driving elements, for example, two cylinders are adopted for driving respectively, and the horizontal driving part and the vertical driving part can also share one driving element, for example, a double-face cam structure.

When the device is used specifically, the bearing platform 3 can be lifted through the driving of the air cylinder, when the vertical driving part drives the moving support 221 to move upwards, the left horizontal driving part and the right horizontal driving part respectively drive the left lamination compressing assembly 21 and the right lamination compressing assembly 21 to slide back on the lamination compressing moving assembly 22 to a preset position, and at the moment, the two lamination compressing assemblies 21 are far away from each other and do not compress the diaphragm or the pole piece; when the left horizontal driving part and the right horizontal driving part respectively drive the left lamination compressing assembly 21 and the right lamination compressing assembly 21 to slide back on the lamination compressing moving assembly 22, the vertical driving part drives the moving support 221 to move downwards at the same time, at the moment, the two lamination compressing assemblies 21 are close to compress two sides of a diaphragm or a pole piece, in the lamination process, the cylinder drives the bearing platform 3 to descend by the height of one lamination layer by one layer, and the reciprocating operation is carried out, so that the diaphragm 501, the positive pole piece 502 and the negative pole piece 503 are laminated into a Z-shaped lamination as shown in fig. 6.

When the lamination pressing device is applied specifically, the lamination pressing driving mechanism is electrically connected with a control system of the lamination pressing device, and the control system of the lamination pressing device controls the lamination pressing driving mechanism to actuate, so that the effect of automatic control of the lamination pressing device is achieved. Of course, the control system of the lamination pressing device can be any one of an industrial personal computer, a PLC or a single chip microcomputer, and the description is omitted here.

To sum up, in the utility model discloses in one or more embodiments, the utility model discloses a lamination hold-down mechanism simple structure sets up in the installation piece through installing the guide rail slope for certain inclination has when the sliding seat drives the cutter presser and takes out, thereby takes the diaphragm up when avoiding the cutter presser to take out, and can smooth diaphragm and pole piece, guarantees the degree of alignment of diaphragm and pole piece, thereby guarantees the quality of electric core product.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made by the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A lamination pressing mechanism, characterized by comprising a lamination pressing assembly (21), wherein the lamination pressing assembly (21) comprises a mounting block (211), a mounting guide rail (212), a sliding seat (213) and a pressing knife (214); the mounting guide rail (212) is arranged on the mounting block (211); the sliding seat (213) is arranged on the mounting guide rail (212); the pressing knife (214) is arranged on the sliding seat (213).

2. The lamination hold-down mechanism according to claim 1, wherein said mounting rail (212) is provided obliquely to said mounting block (211).

3. The lamination hold-down mechanism according to claim 1, wherein the lamination hold-down assembly (21) further comprises an adjustment member (215), the adjustment member (215) being disposed at the sliding seat (213).

4. The lamination hold-down mechanism according to claim 3, wherein said adjustment member (215) comprises an adjustment fixing block (2151), a top block (2152), and a push block (2153); the ejector block (2152) is inserted into the adjusting fixing block (2151) and abuts against the sliding seat (213); the pushing block (2153) is inserted into the adjusting fixing block (2151) and abuts against the ejecting block (2152).

5. The lamination hold-down mechanism according to claim 4, wherein the top block (2152) has a limit hole (21521).

6. The lamination hold-down mechanism according to claim 1, wherein said lamination hold-down assembly (21) further comprises a resilient member (216); two ends of the elastic piece (216) are respectively connected with the mounting block (211) and the sliding seat (213).

7. The lamination hold-down mechanism according to claim 1, further comprising a lamination hold-down movement assembly (22); the lamination pressing assembly (21) is arranged on the lamination pressing moving assembly (22).

8. The lamination pressing mechanism according to claim 7, wherein the lamination pressing moving assembly (22) includes a moving bracket (221), a vertical moving member (222), and a horizontal moving member (223); the vertical moving member (222) and the horizontal moving member (223) are both disposed on the moving bracket (221).

9. The lamination hold-down mechanism according to claim 8, wherein a buffer block (23) is provided on the moving bracket (221).

10. A lamination hold-down device, comprising: the lamination hold-down mechanism of any one of claims 1 to 9.