Battery tray welding clamp

Abstract

The utility model discloses a welding fixture for a battery tray. The welding fixture comprises a bracket; the bottom plate is arranged on the bracket; the battery tray is arranged on the bottom plate; the limiting plates, the positioning assembly and the sliding supporting plate positioning assembly are arranged on the bottom plate, the positioning assembly and the sliding supporting plate positioning assembly are arranged at the two ends of the bottom plate respectively, and the limiting plates are located at the corners of the bottom plate respectively; the positioning assembly and the sliding supporting plate positioning assembly are arranged on the bottom plate, the supporting plate of the sliding supporting plate positioning assembly can move to be suitable for battery trays of different lengths, the positioning assembly and the clamps on the sliding supporting plate positioning assembly can position the positions of the battery trays, and the air cylinders drive the pressing blocks to abut against the corners of the battery trays. And the welding precision and quality are improved after positioning and fixing.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding fixtures, and in particular relates to a battery tray welding fixture. Background Art

[0002] The battery is the core of new energy vehicles and is generally installed on the chassis of the car and fixed by a pallet. The battery pallet is a frame structure, usually with a support plate and a frame around it. However, the load-bearing capacity of this structure is general. In order to improve the load-bearing capacity, the pallet is designed to be modular, with symmetrically arranged pallets and plug-in end plates at both ends. The pallet adopts a double-layer cavity design. Modular splicing can improve production efficiency. In order to weld this modular battery pallet, a battery pallet welding fixture is provided. Utility Model Content

[0003] In view of this, the technical problem to be solved by the present invention is to provide a battery tray welding fixture to solve the problem of the lack of welding fixtures for welding modular battery trays in the prior art.

[0004] In order to solve the above technical problems, the utility model discloses a battery tray welding fixture, comprising: a bracket; a base plate arranged on the bracket; and a battery tray arranged on the base plate; further comprising a limit plate, a positioning assembly and a sliding pallet positioning assembly arranged on the base plate, the positioning assembly and the sliding pallet positioning assembly are respectively arranged at both ends of the base plate, the limit plates are respectively located at the corners of the base plate, the positioning assembly has a single pressure head fixture, a double pressure head fixture and a double pressure head positioning fixture, the sliding pallet positioning assembly has a guide rail, a slider, a pallet , single pressure head fixture, single pressure head positioning fixture, two guide rails are arranged on the base plate, a slider is set on the bottom surface of the pallet to cooperate with the guide rails, the single pressure head fixture and the single pressure head positioning fixture are fixed on the pallet; the battery tray has side pallet plates, plug-in end plates and strips, the two side pallet plates are symmetrically arranged, the two plug-in end plates are respectively plugged into the ends of the two side pallet plates to form a pallet, and the strips are located at one end of the bottom surface of the battery tray; the positioning assembly is fixed on the base plate and is located at one end of the battery tray, and the sliding pallet positioning assembly is located at the other end of the battery tray.

[0005] Furthermore, the two limit plates are arranged on the supporting plate.

[0006] Furthermore, the above-mentioned single pressure head fixture has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad, the support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block.

[0007] Furthermore, the above-mentioned double pressure head fixture has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block. The double pressure head fixture has two pressure blocks and two upper pads, and the two pressure blocks are arranged on the connecting block one in front and one behind.

[0008] Furthermore, the above-mentioned single pressure head positioning fixture has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad, an upper pad, a positioning bracket and a positioning rod, the support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, the upper pad is fixed on the pressure block, the positioning bracket is fixed on one side of the pressure block, and the positioning rod is vertically penetrated into the positioning bracket.

[0009] Furthermore, the above-mentioned double-pressure head positioning fixture has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block. The double-pressure head positioning fixture has two pressure blocks and two upper pads. The two pressure blocks are arranged on the connecting block one in front and the other in the back. The positioning bracket is fixed to the front side of the pressure block, and the positioning rod is vertically passed through the positioning bracket.

[0010] Compared with the existing technology, this application can achieve the following technical effects:

[0011] The utility model provides a positioning assembly and a sliding pallet positioning assembly on the base plate. The pallet of the sliding pallet positioning assembly can be moved to adapt to battery trays of different lengths. The clamps on the positioning assembly and the sliding pallet positioning assembly can locate the position of the battery tray and drive the pressure block to press the corners of the battery tray through the cylinder. After positioning and fixing, the welding accuracy and quality are improved.

[0012] Of course, any product implementing this application does not necessarily need to achieve all of the technical effects described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0014] Figure 1 is a schematic diagram of a battery tray according to one embodiment of the present invention;

[0015] Figure 2 This is a schematic diagram of the cooperation between the battery tray and the welding fixture according to one embodiment of the present invention;

[0016] Figure 3 It is a schematic diagram of a double-pressure head positioning fixture according to one embodiment of the present invention.

[0017] Figure ID

[0018] Bracket 1, base plate 2, battery tray 3, limit plate 4, positioning assembly 5, sliding tray positioning assembly 6, single pressure head fixture 7, double pressure head fixture 8, double pressure head positioning fixture 9, guide rail 10, slider 11, tray 12, single pressure head positioning fixture 13, side tray plate 14, plug-in end plate 15, strip 16, fixed seat 20, support block 21, cylinder 22, rotating bracket 23, connecting block 24, pressure block 25, lower pad 26, upper pad 27, positioning bracket 28, positioning rod 29, limit slot 30, limit column 31. DETAILED DESCRIPTION

[0019] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0020] Please refer to Figures 1 to 3 , Figure 1 is a schematic diagram of a battery tray according to one embodiment of the present invention; Figure 2 This is a schematic diagram of the cooperation between the battery tray and the welding fixture according to one embodiment of the present invention; Figure 3 It is a schematic diagram of a double-pressure head positioning fixture according to one embodiment of the present invention.

[0021] A battery tray welding fixture, comprising: a bracket 1; a base plate 2 arranged on the bracket 1; and a battery tray 3 arranged on the base plate 2; further comprising a limit plate 4, a positioning assembly 5 and a sliding pallet positioning assembly 6 arranged on the base plate 2, the positioning assembly 5 and the sliding pallet positioning assembly 6 being respectively arranged at both ends of the base plate 2, the limit plates 4 being respectively located at the corners of the base plate 2, the positioning assembly 5 having two single pressure head fixtures 7, a double pressure head fixture 8 and two double pressure head positioning fixtures 9, the sliding pallet positioning assembly 6 having a guide rail 10, a slider 11, a pallet 12, three single pressure head fixtures 7 and two single pressure head fixtures The ram positioning fixture 13 has two guide rails 10 mounted on the base plate 2. A slider 11 is mounted on the bottom surface of the support plate 12 to cooperate with the guide rails 10. The single ram fixture 7 and the single ram positioning fixture 13 are fixed to the support plate 12. The battery tray 3 has side tray plates 14, plug-in end plates 15, and a strip 16. The two side tray plates 14 are symmetrically arranged. The two plug-in end plates 15 are respectively plugged into the ends of the two side tray plates 14 to form a tray. The strip 16 is located at one end of the bottom surface of the battery tray 3. The positioning assembly 5 is fixed to the base plate 2 and is located at one end of the battery tray 3. The sliding support positioning assembly 6 is located at the other end of the battery tray 3. The limit plates are located on both sides of the longitudinal corners of the battery tray 3, of which two limit plates are mounted on the support plate.

[0022] The single pressure head fixture 7 has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block.

[0023] The double pressure head fixture 8 has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block. The double pressure head fixture has two pressure blocks and two upper pads, and the two pressure blocks are arranged on the connecting block one in front and one behind.

[0024] The single pressure head positioning fixture 13 has a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad, an upper pad, a positioning bracket and a positioning rod. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, the upper pad is fixed on the pressure block, the positioning bracket is fixed on one side of the pressure block, the positioning rod is vertically penetrated on the positioning bracket, the positioning bracket is provided with a limiting groove, the positioning rod is provided with a limiting column, the positioning rod moves along the through hole on the positioning bracket, and rotating the positioning rod to make the limiting column cooperate with the limiting groove can limit the axial movement of the positioning rod along the through hole.

[0025] The double-head positioning fixture 9 comprises a fixed seat 20, a support block 21, a cylinder 22, a rotating bracket 23, a connecting block 24, a pressing block 25, a lower pad 26 and an upper pad 27. The support block 21 is fixed to the inner side of the fixed seat 20, the cylinder 22 is fixed to the outer side of the fixed seat 20, one end of the rotating bracket 23 is connected to the rotating shaft on the cylinder 22, the other end of the rotating bracket 23 is fixed to the connecting block 24, the pressing block 25 is fixed to the connecting block 24, the lower pad 26 is fixed to the support block 21, and the upper pad 27 is fixed to the pressing block 2 5, the double-pressure head positioning fixture 9 has two pressure blocks 25 and two upper pads 27. The two pressure blocks 25 are arranged on the connecting block 24 one in front and one behind. The positioning bracket 28 is fixed to one side of the front pressure block 25. The positioning rod 29 is vertically penetrated on the positioning bracket 28. The positioning bracket 28 is provided with a limiting groove 30. The positioning rod 29 is provided with a limiting column 31. The positioning rod 29 moves along the through-hole on the positioning bracket 28. Rotating the positioning rod 29 so that the limiting column 31 cooperates with the limiting groove 30 can limit the axial movement of the positioning rod 29 along the through-hole.

[0026] The edge of the battery tray 3 falls on the support block 21 of the fixture. The lower pad 26 and the upper pad 27 are made of nylon to prevent scratches and bumps. The two double-head positioning fixtures 9 and one double-head fixture 8 of the positioning assembly 5 are located at the wide edge of the battery tray 3. The two single-head fixtures 7 are respectively located at the long edge of the battery tray 3. The front side pressure blocks 25 of the two double-head positioning fixtures 9 are pressed on the bar 16, and the rear side pressure blocks 25 are pressed on the plug-in end plate 15. The end of the positioning rod 29 is inserted into the positioning hole on the bar 16. The double-head fixture 8 and the two double-head positioning fixtures 9 are arranged side by side; the two single-head positioning fixtures of the sliding pallet positioning assembly 6 13 and a single pressure head fixture 7 are located at the wide side edge of the battery tray 3, and the two single pressure head fixtures 7 are respectively located at the long side edges of the battery tray 3. The pressure blocks 25 of the two single pressure head positioning fixtures 13 are pressed on the plug-in end plate 15, and the ends of the positioning rods 29 are inserted into the positioning holes on the plug-in end plate 15; when welding is required, the module components of the battery tray 3 are placed on the fixture, and the rotating bracket 23 of each fixture is flipped by hand so that the pressure block 25 is pressed on the battery tray 3. Press the start button, and the cylinder 22 of each fixture is fed with air flow. The air pressure is increased to drive the pressure block 25 to press the battery tray 3, that is, the battery tray 3 is fixed, and then the battery tray 3 can be welded.

[0027] The utility model provides a positioning assembly 5 and a sliding pallet positioning assembly 6 on the base plate 2. The pallet 12 of the sliding pallet positioning assembly 6 can be moved to adapt to battery trays 3 of different lengths. The clamps on the positioning assembly 5 and the sliding pallet positioning assembly 6 can locate the position of the battery tray 3 and drive the pressure block 25 to press the corners of the battery tray 3 through the cylinder 22. After positioning and fixing, the welding accuracy and quality are improved.

[0028] The above description shows and describes several preferred embodiments of the present invention. However, as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention as taught herein or through the techniques or knowledge in the relevant field. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A battery tray welding fixture, comprising: bracket; A base plate disposed on the bracket; and a battery tray disposed on the base plate; The feature is that it also includes a limit plate, a positioning assembly and a sliding pallet positioning assembly arranged on the base plate, the positioning assembly and the sliding pallet positioning assembly are respectively arranged at both ends of the base plate, the limit plates are respectively located at the corners of the base plate, the positioning assembly has a single pressure head fixture, a double pressure head fixture and a double pressure head positioning fixture, the sliding pallet positioning assembly has a guide rail, a slider, a pallet, a single pressure head fixture, and a single pressure head positioning fixture, two guide rails are arranged on the base plate, a slider is provided on the bottom surface of the pallet to cooperate with the guide rails, and the single pressure head fixture and the single pressure head positioning fixture are fixed to the pallet; the battery tray has a side tray plate, a plug-in end plate and a strip piece, the two side tray plates are symmetrically arranged, the two plug-in end plates are respectively plugged into the ends of the two side tray plates and form a tray, and the strip piece is located at one end of the bottom surface of the battery tray; the positioning assembly is fixed on the base plate and is located at one end of the battery tray, and the sliding pallet positioning assembly is located at the other end of the battery tray.

2. The battery tray welding fixture according to claim 1, characterized in that: The two limiting plates are arranged on the supporting plate.

3. The battery tray welding fixture according to claim 1, characterized in that: The single pressure head fixture comprises a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block.

4. The battery tray welding fixture according to claim 1, characterized in that: The double pressure head fixture comprises a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block. The double pressure head fixture has two pressure blocks and two upper pads, and the two pressure blocks are arranged on the connecting block one in front and one behind.

5. The battery tray welding fixture according to claim 1, characterized in that: The single pressure head positioning fixture comprises a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad, an upper pad, a positioning bracket and a positioning rod. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, the upper pad is fixed on the pressure block, the positioning bracket is fixed on one side of the pressure block, and the positioning rod is vertically penetrated through the positioning bracket.

6. The battery tray welding fixture according to claim 1, characterized in that: The double-pressure head positioning fixture comprises a fixed seat, a support block, a cylinder, a rotating bracket, a connecting block, a pressure block, a lower pad and an upper pad. The support block is fixed to the inner side of the fixed seat, the cylinder is fixed to the outer side of the fixed seat, one end of the rotating bracket is connected to the rotating shaft on the cylinder, the other end of the rotating bracket is fixed to the connecting block, the pressure block is fixed to the connecting block, the lower pad is fixed on the support block, and the upper pad is fixed on the pressure block. The double-pressure head positioning fixture has two pressure blocks and two upper pads. The two pressure blocks are arranged on the connecting block one in front and the other in the back. The positioning bracket is fixed to one side of the pressure block on the front side, and the positioning rod is vertically penetrated into the positioning bracket.

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