Detachable ejector pin structure

Abstract

The utility model discloses a detachable ejector pin structure which comprises a group of chains arranged at intervals and a plurality of ejector pins arranged on the opposite side edges of the group of chains. The ejector pin comprises an inclined part, a horizontal part connected with the bottom end of the inclined part to form an included angle, a clamping ring seat arranged at the top end of the inclined part and a positioning ring part arranged at the end of the horizontal part and matched with the clamping ring seat, a plurality of connecting pieces are arranged on the side edge of the chain, and the clamping ring seat is correspondingly clamped and matched with the tops of the connecting pieces. The positioning ring piece is correspondingly matched with the bottom of the connecting piece in an abutting mode. The ejector pin is detachably connected to the side edge of the chain, and the space distance for supporting and positioning the battery piece is flexibly adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of sintering furnaces, and in particular relates to a detachable ejector pin structure. Background Art

[0002] The mesh belt of the sintering furnace can better fix the position of the battery cell in the sintering furnace, reduce the friction coefficient between the battery cell and the mesh belt ejector caused by the vibration of the mesh belt, avoid the problem of scratches on the back of the monocrystalline silicon battery cell after sintering, reduce the proportion of scratches on the back aluminum after screen printing sintering, and improve the qualified rate of the battery cell. For example, the existing patent number is CN201720486463.2, a kind of ejector mesh belt that prevents scratches on the back of the screen printing sintering, which discloses at least two pairs of ejectors that are evenly distributed on the upper surface of the mesh belt and are parallel to each other, and the plane where each pair of ejectors is located is perpendicular to the upper surface of the mesh belt. In the above-mentioned ejector mesh belt, the ejectors and the mesh belt are fixedly connected, and the installation of the ejectors is limited by its structure, and the spatial position of the supporting battery cell cannot be flexibly adjusted. Utility Model Content

[0003] The purpose of the utility model is to solve the above technical problems and provide a detachable ejector pin structure, so that the ejector pin can be detachably connected and arranged on the side of the chain, and the spatial distance of the supporting and positioning battery sheet can be flexibly adjusted. In order to achieve the above purpose, the technical solution of the utility model is as follows:

[0004] A detachable ejector pin structure comprises a group of chains arranged at intervals, and a plurality of ejectors arranged on opposite sides of the group of chains; the ejector pin comprises an inclined member, a horizontal member connected to the bottom ends of the inclined members to form an angle, a snap ring seat arranged at the top end of the inclined member, and a positioning ring member arranged at the end of the horizontal member and cooperating with the snap ring seat, a plurality of connecting plates are arranged on the side of the chain, the snap ring seat is correspondingly snap-fitted with the top of the connecting plate, and the positioning ring member is correspondingly abutted against the bottom of the connecting plate.

[0005] Specifically, a plurality of ejector pins between a group of the chains form a positioning space for supporting the battery cells.

[0006] Specifically, a convex bump is arranged on the upper part of the inclined member.

[0007] Specifically, a step portion is provided at a position of the horizontal member close to the clamping ring seat.

[0008] Specifically, the clamping ring seat includes a connecting portion arranged relatively in parallel and clamping portions respectively arranged on both sides of the connecting portion.

[0009] Specifically, the inclined member is connected to the center position of one side of the connecting portion.

[0010] Specifically, the connecting portion is arranged on the top of the connecting piece, and the clamping portions on both sides are positioned at two ends of the connecting piece.

[0011] Specifically, a connecting piece penetrating the positioning clamping ring seat and the positioning ring is provided in the connecting piece, a connecting hole is provided in the connecting piece, and the positioning ring is against the bottom of the connecting piece and is arranged to avoid the connecting hole.

[0012] Specifically, the connecting piece passes through the connecting hole and is crimped onto the positioning clamping ring seat and the positioning ring piece.

[0013] Compared with the prior art, the beneficial effects of the detachable ejector pin structure of the utility model are mainly reflected in:

[0014] By arranging a plurality of ejectors on the side of the chain, the plurality of ejectors effectively support and position the battery cells, and the flexible installation method is simpler and suitable for positioning battery cells of different sizes; the clamping ring seat and the positioning ring are arranged in coordination, which is convenient for disassembly, and the ejector pins can be firmly arranged on the connecting piece to ensure the supporting performance of the ejector pins. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the side view structure of the ejector pin of an embodiment of the utility model;

[0016] Figure 2 This is a schematic diagram of the ejector structure in this embodiment when viewed from above;

[0017] Figure 3 This is a photo of the ejector pin in this embodiment;

[0018] The numbers in the figure represent:

[0019] 1 chain, 11 connecting piece, 2 ejector pin, 21 inclined piece, 22 horizontal piece, 3 snap ring seat, 31 connecting part, 32 snap connection part, 4 positioning ring, 5 connecting part, 6 convex bump, 61 step part. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present utility model are clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0021] Example:

[0022] Reference Figure 1-3As shown, this embodiment is a detachable ejector structure, including a group of chains 1 arranged at intervals, and a plurality of ejectors 2 arranged on opposite sides of the group of chains 1; the ejector 2 includes an inclined member 21, a horizontal member 22 connected to the bottom end of the inclined member 21 to form an angle, a snap ring seat 3 arranged at the top of the inclined member 21, and a positioning ring member 4 arranged at the end of the horizontal member 22 and cooperating with the snap ring seat 3, a plurality of connecting pieces 11 are arranged on the side of the chain 1, the snap ring seat 3 is snap-fitted with the top of the connecting piece 11, the positioning ring member 4 is abutted against the bottom of the connecting piece 11, and a connecting piece 5 that passes through the positioning snap ring seat 3 and the positioning ring member 4 is arranged in the connecting piece 11.

[0023] A positioning space for supporting the battery cell is formed between a plurality of ejector pins 2 between a group of chains 1. The ejector pins located on both sides of a group of chains 1 are in a relatively horizontal position and can stably support the battery cell.

[0024] A convex bump 6 is provided on the upper portion of the inclined member 21 for positioning and supporting the battery cell, reducing the contact area with the back side of the battery cell, and avoiding scratching the back side of the battery cell.

[0025] A step portion 61 is provided at a position of the horizontal member 22 close to the clamping ring seat 3 , and the step portion 61 enhances the supporting strength of the horizontal member 22 .

[0026] The snap ring seat 3 includes a connection portion 31 arranged relatively parallel, and snap-on portions 32 respectively arranged on both sides of the connection portion 31. The snap-on portion 32 is a U-shaped structure, and the snap-on portion 32 is connected to the connection portion 31 in a vertical state. The inclined member 21 is connected to the center position of one side of the connection portion 31. The connection portion 31 is arranged on the top of the connecting piece 11, and the snap-on portions 32 on both sides are positioned at the two ends of the connecting piece 11, so as to keep the whole snap ring seat 3 buckled on the connecting piece 11.

[0027] A connection hole is provided in the connection sheet 11, and the positioning ring 4 is against the bottom of the connection sheet 11 and is arranged to avoid the connection hole. The connection member 5 passes through the connection hole and is crimped to the positioning clamping ring seat 3 and the positioning ring 4. In this embodiment, the connection member 5 is a bolt and nut assembly.

[0028] When this embodiment is used, a plurality of ejector pins 2 are detachably mounted on corresponding positions on the side of the chain 1 , and the plurality of ejector pins 2 support and position the battery cells.

[0029] In this embodiment, a plurality of ejector pins 2 are arranged on the side of the chain 1, and the plurality of ejector pins 2 effectively support and position the battery cell, and the flexible installation method is simpler and suitable for positioning different battery cell sizes; the clamping ring seat 3 and the positioning ring member 4 are arranged in coordination, and disassembly is convenient, and the ejector pin 2 can be stably arranged on the connecting piece 11, ensuring the supporting performance of the ejector pin 2.

[0030] In the description of this specification, the term "specific embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] Although the implementation methods disclosed in the utility model are as above, the above contents are only implementation methods adopted to facilitate the understanding of the utility model, and are not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.

Claims

1. The detachable ejector pin structure is characterized by: It comprises a group of chains arranged at intervals, and a plurality of ejectors arranged on opposite sides of the group of chains; the ejectors comprise an inclined member, a horizontal member connected to the bottom ends of the inclined members to form an angle, a snap ring seat arranged at the top end of the inclined member, and a positioning ring member arranged at the end of the horizontal member and cooperating with the snap ring seat, a plurality of connecting plates are arranged on the side of the chain, the snap ring seat is correspondingly snap-fitted with the top of the connecting plate, and the positioning ring member is correspondingly abutted with the bottom of the connecting plate.

2. The detachable ejector pin structure according to claim 1, characterized in that: A plurality of ejector pins between a group of the chains form a positioning space for supporting the battery sheet.

3. The detachable ejector pin structure according to claim 1, characterized in that: A convex bump is arranged on the upper part of the inclined member.

4. The detachable ejector pin structure according to claim 1, characterized in that: The horizontal member is provided with a step portion at a position close to the clamping ring seat.

5. The detachable ejector pin structure according to claim 1, characterized in that: The clamping ring seat comprises a connecting portion which is arranged relatively in parallel, and clamping portions which are respectively arranged on both sides of the connecting portion.

6. The detachable ejector pin structure according to claim 5, characterized in that: The inclined member is connected to the center position of one side of the connecting portion.

7. The detachable ejector pin structure according to claim 5, characterized in that: The connecting portion is arranged on the top of the connecting piece, and the clamping portions on both sides are positioned at the two ends of the connecting piece.

8. The detachable ejector pin structure according to claim 1, characterized in that: A connecting piece penetrating the positioning clamping ring seat and the positioning ring is arranged in the connecting piece, a connecting hole is arranged in the connecting piece, and the positioning ring is against the bottom of the connecting piece and is arranged to avoid the connecting hole.

9. The detachable ejector pin structure according to claim 8, characterized in that: The connecting piece passes through the connecting hole and is crimped to the positioning clamping ring seat and the positioning ring piece.

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