Liquid-cooled battery shell welding clamp

Abstract

The utility model provides a liquid-cooled battery shell welding clamp which comprises a clamp bottom plate, the surface of the top end of the clamp bottom plate is fixedly connected with a supporting rod base, the surface of the supporting rod base is in threaded connection with a supporting threaded rod, and the surface of the other end of the supporting threaded rod is fixedly connected with a mushroom cushion. The surface of the other side of the mushroom cushion is fixedly connected with a cushion plate support, the surface of the cushion plate support is connected with a rubber soft plate in a sleeved mode, and the other side of the cushion plate support is provided with a top end pressing clamp on the surface of the clamp bottom plate. And the fixing position of an existing welding clamp capable of fixing the top end is difficult to adjust and fix.

Description

Technical Field

[0001] The utility model mainly relates to the field of battery liquid cooling plate processing, and in particular to a liquid cooling battery shell welding fixture. Background Art

[0002] With the increasing number of new energy vehicles, the demand for automotive power batteries is also increasing. However, at this stage, the square battery shell welding fixtures of various automotive power battery manufacturers have problems such as inconvenient use, high defective product rate, poor versatility, and a set of fixtures for each product, which makes it difficult for battery manufacturers to reduce production costs.

[0003] In the invention patent application with application number CN201920969974.9 and publication date 2020.03.10, entitled "A welding fixture for battery casing", the invention patent application includes a fixing plate, a transverse clamping assembly arranged along the width direction of the fixing plate, a longitudinal clamping assembly arranged along the length direction of the fixing plate, and a pad arranged at the bottom of the battery casing. The fixture can conveniently and flexibly meet the clamping requirements of battery casings of various sizes through the arrangement of the transverse clamping assembly and the longitudinal clamping assembly, thereby effectively reducing the production cost of the product.

[0004] However, in actual use, the welding fixture cannot clamp and fix the top portion of the battery casing, and the fixing position of the existing welding fixture that can fix the top portion is difficult to adjust and fix. Utility Model Content

[0005] 1. Technical problems to be solved by the utility model:

[0006] The utility model provides a liquid-cooled battery shell welding fixture, which is used to solve the problem that the top part of the battery shell cannot be clamped and fixed, and the fixing position of the existing welding fixture that can fix the top part is difficult to adjust and fix.

[0007] 2. Technical solution:

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the present invention is as follows: a liquid-cooled battery shell welding fixture, comprising a fixture bottom plate, the top surface of the fixture bottom plate is fixedly connected to a support rod base, the surface of the support rod base is threadedly connected to a support threaded rod, the other end surface of the support threaded rod is fixedly connected to a mushroom pad, the other side surface of the mushroom pad is fixedly connected to a pad bracket, the surface of the pad bracket is sleeved with a rubber soft plate, and the other side of the pad bracket is provided with a top pressure clamp on the surface of the fixture bottom plate.

[0009] The top pressure clamp includes a screw support plate fixedly connected to the side surface of the clamp bottom plate, the upper end surface of the screw support plate is fixedly connected to a limiting screw, the surface of the limiting screw is movably connected to a swing pressure clamp, the upper part of the swing pressure clamp is threadedly connected to a limiting nut on the surface of the limiting screw, one side of the limiting screw is threadedly connected to the surface of the clamp bottom plate with a threaded push rod, the surface of the threaded push rod is provided with an adjusting nut, and the top surface of the threaded push rod is provided with an arc-shaped top plate.

[0010] Furthermore, the support rod base, the supporting threaded rod and the mushroom cushion are all arranged at a position opposite to the pad bracket, and a second set of pad bracket and rubber soft plate are arranged below the top pressure clamp.

[0011] Furthermore, a top pressure clamp is provided between the support rod base, a slot is provided at the top of the pad bracket, and the rubber soft plate is installed on the surface of the pad bracket through the slot.

[0012] Furthermore, one end of the swing clamp contacts the upper end of the arc-shaped top plate, and the swing clamp is adjusted to a height position on the surface of the limiting screw by a limiting nut.

[0013] Furthermore, the height of the arc-shaped top plate on one side of the swinging pressing clamp is adjusted by rotating the threaded top rod.

[0014] Furthermore, the supporting threaded rod and the mushroom cushion form a telescopic structure on one side of the support rod base.

[0015] 3.Beneficial effects:

[0016] The utility model has a reasonable design. Before welding the liquid-cooled battery shell, the rubber soft plate is inserted into the slot at the top of the pad bracket so that the rubber soft plate protrudes from the inner surface of the pad bracket. The liquid-cooled battery shell is placed on one side of the two pad brackets. The supporting threaded rod is rotated to move the mushroom soft pads to be fixed on both sides of the liquid-cooled battery shell. The liquid-cooled battery shell is fixed to the pad bracket and the surface of the rubber soft plate, thereby achieving the purpose of fixing and clamping the liquid-cooled battery shell on all sides.

[0017] The fixed height of the arc-shaped top plate is controlled by controlling the height of the adjusting nut and the threaded push rod in the top pressure clamp, and the position of the surface of the arc-shaped top plate at one end of the swinging pressure clamp is swung to control the fixed position of the other end of the swinging pressure clamp on the surface of the liquid-cooled battery housing. The fixed position of the swinging pressure clamp is controlled by the limit nut, so that the other end of the swinging pressure clamp is fixed to the top position of the liquid-cooled battery housing. On the one hand, the top of the liquid-cooled battery housing is fixed, and on the other hand, the fixed position of the top of the liquid-cooled battery housing is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic top view of the utility model;

[0020] Figure 3 This is a schematic diagram of the top pressing pliers of the present utility model.

[0021] Reference numerals:

[0022] 1. Clamp base; 2. Support rod base; 3. Support threaded rod; 4. Mushroom cushion; 5. Pad bracket; 6. Rubber soft board; 7. Top pressure clamp; 701. Screw support plate; 702. Limit screw; 703. Swing pressure clamp; 704. Limit nut; 705. Threaded top rod; 706. Adjusting nut; 707. Arc top plate. DETAILED DESCRIPTION

[0023] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0026] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," "provided with," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example

[0027] Refer to the attached Figure 1-3 , including a clamp base plate 1, the top surface of the clamp base plate 1 is fixedly connected to a support rod base 2, the surface of the support rod base 2 is threadedly connected to a supporting threaded rod 3, the other end surface of the supporting threaded rod 3 is fixedly connected to a mushroom pad 4, the other side surface of the mushroom pad 4 is fixedly connected to a pad bracket 5, the surface of the pad bracket 5 is sleeved with a rubber soft board 6, and the other side of the pad bracket 5 is provided with a top pressure clamp 7 on the surface of the clamp base plate 1. The basic device is fixed and clamped by the movable mushroom pad 4 and the rubber soft board 6, and the purpose of adjusting and fixing the top of the liquid-cooled battery casing is achieved by the top pressure clamp 7.

[0028] The top pressure clamp 7 includes a screw support plate 701 fixedly connected to the surface of one side of the clamp base plate 1, the upper end surface of the screw support plate 701 is fixedly connected to a limiting screw 702, the surface of the limiting screw 702 is movably connected to a swing pressure clamp 703, the upper part of the swing pressure clamp 703 is threadedly connected to a limiting nut 704 on the surface of the limiting screw 702, one side of the limiting screw 702 is threadedly connected to the surface of the clamp base plate 1, the surface of the threaded push rod 705 is provided with an adjusting nut 706, and the top surface of the threaded push rod 705 is provided with an arc-shaped top plate 707.

[0029] The support rod base 2, supporting threaded rod 3 and mushroom cushion 4 are all arranged at the position opposite to the pad bracket 5. A second set of pad bracket 5 and rubber soft plate 6 are arranged below the top pressure clamp 7. A top pressure clamp 7 is arranged between the support rod base 2. A slot is provided at the top of the pad bracket 5. The rubber soft plate 6 is installed on the surface of the pad bracket 5 through the slot. One end of the swinging pressure clamp 703 contacts the upper end of the arc-shaped top plate 707. The swinging pressure clamp 703 is adjusted to the height position on the surface of the limiting screw 702 by the limiting nut 704. The arc top plate 707 adjusts the height of the arc top plate 707 on the side of the swinging pressure clamp 703 by rotating the threaded top rod 705. The supporting threaded rod 3 and mushroom cushion 4 form a telescopic structure on one side of the support rod base 2.

[0030] In this embodiment, before welding the liquid-cooled battery housing, the rubber soft plate 6 is inserted into the slot at the top of the pad bracket 5 so that the rubber soft plate 6 protrudes from the inner surface of the pad bracket 5. The liquid-cooled battery housing is placed on one side of the two pad brackets 5. The mushroom soft pads 4 are moved and fixed to both sides of the liquid-cooled battery housing by rotating the supporting threaded rod 3. The liquid-cooled battery housing is fixed to the pad bracket 5 and the surface of the rubber soft plate 6, thereby achieving the purpose of fixing and clamping the liquid-cooled battery housing on all sides.

[0031] By controlling the height of the adjusting nut 706 and the threaded top rod 705 in the top pressure clamp 7, the fixed height of the arc-shaped top plate 707 is controlled. By swinging the position of the surface of the arc-shaped top plate 707 at one end of the swinging pressure clamp 703, the fixed position of the other end of the swinging pressure clamp 703 on the surface of the liquid-cooled battery housing is controlled. The fixed position of the swinging pressure clamp 703 is controlled by the limiting nut 704, so that the other end of the swinging pressure clamp 703 is fixed to the top position of the liquid-cooled battery housing. On the one hand, the top of the liquid-cooled battery housing is fixed, and on the other hand, the fixed position of the top of the liquid-cooled battery housing is adjusted.

[0032] The above-mentioned embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which all fall within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.

Claims

1. A liquid-cooled battery housing welding fixture, characterized in that : It comprises a fixture base plate (1), the top surface of the fixture base plate (1) is fixedly connected to a support rod base (2), the surface of the support rod base (2) is threadedly connected to a support threaded rod (3), the other end surface of the support threaded rod (3) is fixedly connected to a mushroom cushion (4), the other side surface of the mushroom cushion (4) is fixedly connected to a pad bracket (5), the surface of the pad bracket (5) is sleeved with a rubber soft plate (6), and the other side of the pad bracket (5) is provided with a top pressure clamp (7) on the surface of the fixture base plate (1). The top pressure clamp (7) includes a screw support plate (701) fixedly connected to the surface of one side of the clamp base plate (1), the upper end surface of the screw support plate (701) is fixedly connected to a limiting screw (702), the surface of the limiting screw (702) is movably connected to a swing pressure clamp (703), a limiting nut (704) is threadedly connected to the surface of the limiting screw (702) above the swing pressure clamp (703), one side of the limiting screw (702) is threadedly connected to the surface of the clamp base plate (1), an adjusting nut (706) is provided on the surface of the threaded push rod (705), and an arc-shaped top plate (707) is provided on the top surface of the threaded push rod (705).

2. A liquid-cooled battery housing welding fixture according to claim 1, characterized in that: The support rod base (2), the supporting threaded rod (3) and the mushroom cushion (4) are all arranged at a position opposite to the pad bracket (5), and a second set of pad brackets (5) and a rubber soft plate (6) are arranged below the top pressure clamp (7).

3. The liquid-cooled battery housing welding fixture according to claim 1, characterized in that: A top pressure clamp (7) is provided between the support rod bases (2), a slot is provided at the top of the pad bracket (5), and the rubber soft plate (6) is mounted on the surface of the pad bracket (5) through the slot.

4. The liquid-cooled battery housing welding fixture according to claim 3, characterized in that: One end of the swinging pressure clamp (703) contacts the upper end of the arc-shaped top plate (707), and the height position of the swinging pressure clamp (703) on the surface of the limiting screw (702) is adjusted by a limiting nut (704).

5. The liquid-cooled battery housing welding fixture according to claim 1, characterized in that: The arc-shaped top plate (707) is adjusted in height on one side of the swinging pressing clamp (703) by rotating the threaded top rod (705).

6. The liquid-cooled battery housing welding fixture according to claim 5, characterized in that: The supporting threaded rod (3) and the mushroom cushion (4) form a telescopic structure on one side of the support rod base (2).

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