Synchronous lifting and locking mechanism for fine positioning pin and supporting block

By designing a synchronous lifting and locking mechanism for precision positioning pins and support blocks, the problems of insufficient positioning accuracy and lack of self-locking functions in the manufacturing of battery boxes of new energy vehicles are solved, and high-precision positioning and smooth down-line handling are achieved.

CN222971355UActive Publication Date: 2025-06-13SHANGHAI JUNYI IND AUTOMATION CO LTD
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Patent Information

Application Number
CN202421892881.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-06-13
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

In the welding of battery boxes for new energy vehicles, the positioning accuracy of the existing positioning tooling is insufficient and lacks self-locking function, which makes it difficult for the support surface and positioning pin to be separated from the welded parts after welding, affecting the downline handling and height adjustment.

Method used

A synchronous lifting locking mechanism of fine positioning pin and support block is designed. By sharing a lifting mechanism, combined with precision linear guide rail and cylinder drive, precise positioning and self-locking functions are achieved.

Benefits of technology

It improves positioning accuracy and service life, reduces the height of welding products, enhances the accessibility of welding robots, and ensures the smoothness of the downline of the products after welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a precise positioning pin and supporting block synchronous lifting locking mechanism, which is used for positioning and clamping a rear beam of a new energy battery box, and comprises a bottom plate, a supporting block and a precise positioning pin, the jacking mechanism is arranged on the bottom plate; the jacking block is arranged at the output end of the jacking mechanism, and the jacking block is jacked in the receding hole along with the action of the jacking mechanism; the supporting block is arranged on the jacking block and is used for supporting a rear beam of the new energy battery box; the fine positioning pin is arranged on the jacking block, located on one side of the supporting block and used for being inserted into a positioning hole of the rear beam of the new energy battery box to position the rear beam of the new energy battery box; and the pressing mechanism is arranged on the bottom plate and used for pressing the rear beam of the new energy battery box. The fine positioning pin and the supporting block share one lifting mechanism, so that the structure is simple, the size is small, and the occupied space is small.
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Description

Technical Field

[0001] The utility model relates to the technical field of manufacturing and welding of battery boxes for new energy vehicles, and in particular to a synchronous lifting and locking mechanism for a precision positioning pin and a supporting block. Background Art

[0002] The manufacturing and welding of new energy vehicle battery boxes requires the accuracy of welding positioning tools to be higher than that of automobile sheet metal spot welding positioning tools, to ensure accurate positioning of welded parts and highly accurate positioning of support surfaces. At the same time, the positioning pins must be self-locking. After welding, the support surfaces and positioning pins must be separated from welded parts to avoid adhesion to welded parts. There should be no jamming or adhesion when unloading and the number of supports should be minimized during transportation. In the current existing solutions, the mobile positioning pins are driven by double guide rods, the positioning accuracy cannot be guaranteed and there is no self-locking function. The support mechanism is fixed, which is not convenient for offline transportation of workpieces and increases the height of the fixture. Summary of the invention

[0003] According to an embodiment of the utility model, a precision positioning pin and a support block synchronous lifting and locking mechanism is provided for positioning and clamping the rear beam of a new energy battery box, comprising:

[0004] A bottom plate, wherein a clearance hole is provided on the bottom plate;

[0005] A lifting mechanism, the lifting mechanism is arranged on the bottom plate;

[0006] A lifting block is arranged at the output end of the lifting mechanism, and is lifted in the clearance hole as the lifting mechanism acts;

[0007] A support block, which is arranged on the jacking block and is used to support the rear beam of the new energy battery box;

[0008] A precision positioning pin is arranged on the jacking block and is located on one side of the support block, and is used to be inserted into the positioning hole of the rear beam of the new energy battery box to position the rear beam of the new energy battery box;

[0009] The clamping mechanism is arranged on the bottom plate and is used to clamp the rear beam of the new energy battery box.

[0010] Furthermore, the lifting mechanism comprises:

[0011] A guide rail mounting plate, the guide rail mounting plate is arranged on the bottom plate;

[0012] Precision linear guide rails, which are arranged on the guide rail mounting plate, and the lifting block is slidably connected to the precision linear guide rails;

[0013] A cylinder seat, which is arranged at the bottom of the base plate;

[0014] A lifting cylinder, the fixed end of which is hinged on a cylinder seat, and the output end of which is hinged on a lifting block.

[0015] Furthermore, a reinforcing plate is provided between the guide rail mounting plate and the bottom plate.

[0016] Furthermore, the pressing mechanism includes:

[0017] A pressing cylinder, which is arranged on the bottom plate;

[0018] A pressing plate, which is arranged at the output end of the pressing cylinder.

[0019] Furthermore, a protective block is provided at the pressing end of the pressing plate.

[0020] A synchronous lifting and locking mechanism for a precision positioning pin and a support block according to an embodiment of the present invention has the following beneficial effects:

[0021] 1. The precision positioning pin and the support block share one lifting mechanism, with a simple structure, small volume, and small occupied space;

[0022] 2. The setting of the precision linear guide rail ensures the repeatability accuracy of the positioning pin and the support block, improves the positioning accuracy and service life;

[0023] 3. Reduces the height of the welded product, improves the accessibility of the welding robot, and ensures the smoothness of the product offline after welding.

[0024] It should be understood that both the foregoing general description and the following detailed description are exemplary and intended to provide further explanation of the claimed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 FIG. is a schematic perspective view of a synchronous lifting and locking mechanism for a precision positioning pin and a support block according to an embodiment of the present invention.

[0026] Figure 2 FIG. is a schematic front view of a synchronous lifting and locking mechanism for a precision positioning pin and a support block according to an embodiment of the present invention. DETAILED DESCRIPTION

[0027] The following will describe in detail the preferred embodiments of the present invention with reference to the accompanying drawings and further elaborate on the present invention.

[0028] First, a synchronous lifting and locking mechanism for a precision positioning pin and a support block according to an embodiment of the present invention will be described in combination with Figures 1-2 It is used for positioning during the welding of the rear beam 7 of a new energy battery box and has a wide range of application scenarios.

[0029] Such as Figures 1-2As shown, a precise positioning pin and support block synchronous lifting and locking mechanism of an embodiment of the utility model comprises a base plate 1, a lifting mechanism, a lifting block 3, a support block 4, a precise positioning pin 5 and a clamping mechanism.

[0030] Specifically, Figures 1-2 As shown, the bottom plate 1 is provided with a clearance hole for providing a lifting space for the lifting mechanism.

[0031] Specifically, Figures 1-2 As shown, the lifting mechanism is arranged on the base plate 1 to provide a driving force for lifting.

[0032] Specifically, Figures 1-2 As shown, the lifting block 3 is arranged at the output end of the lifting mechanism, and is lifted in the clearance hole as the lifting mechanism acts.

[0033] Specifically, Figures 1-2 As shown, the support block 4 is arranged on the lifting block 3 to support the rear beam 7 of the new energy battery box.

[0034] Specifically, Figures 1-2 As shown, the precision positioning pin 5 is arranged on the lifting block 3 and is located on one side of the support block 4, and is used to be inserted into the positioning hole 71 of the rear beam 7 of the new energy battery box to position the rear beam 7 of the new energy battery box. The precision positioning pin 5 and the support block 4 share a lifting mechanism to save space.

[0035] Specifically, Figures 1-2 As shown, the clamping mechanism is arranged on the bottom plate 1 and is used to clamp the rear beam 7 of the new energy battery box.

[0036] Further, if Figures 1-2 As shown, the lifting mechanism includes: a guide rail mounting plate 21, a precision linear guide rail 22, a cylinder seat 23 and a lifting cylinder 24. The guide rail mounting plate 21 is arranged on the base plate 1; the precision linear guide rail 22 is arranged on the guide rail mounting plate 21, and the lifting block 3 is slidably connected to the precision linear guide rail 22; the cylinder seat 23 is arranged at the bottom of the base plate 1; the fixed end of the lifting cylinder 24 is hinged on the cylinder seat 23, and the output end of the lifting cylinder 24 is hinged on the lifting block 3.

[0037] Further, if Figures 1-2 As shown, a reinforcing plate 25 is provided between the guide rail mounting plate 21 and the base plate 1 to enhance the strength and improve the reliability of the equipment.

[0038] Further, if Figures 1-2 As shown, the pressing mechanism comprises: a pressing cylinder 61 and a pressing plate 62. The pressing cylinder 61 is arranged on the bottom plate 1; the pressing plate 62 is arranged at the output end of the pressing cylinder 61.

[0039] Further, if Figures 1-2As shown, a protective block 63 is provided at the pressing end of the pressing plate 62 to prevent wear of the rear beam 7 of the new energy battery box.

[0040] During use, the lifting cylinder 24 is controlled to operate, driving the lifting block 3 to lift on the precision linear guide 22, and further driving the support block 4 and the precision positioning pin 5 to lift. The support block 4 supports the rear beam 7 of the new energy battery box, and the precision positioning pin 5 is inserted into the positioning hole 71 of the rear beam 7 of the new energy battery box. Then the pressing cylinder 61 operates to drive the pressing plate 62 to press the rear beam 7 of the new energy battery box, realizing the position locking of the rear beam 7 of the new energy battery box, so as to perform subsequent welding operations.

[0041] As above, with reference to Figures 1-2 A precision positioning pin and support block synchronous lifting and locking mechanism according to an embodiment of the present invention is described, having the following beneficial effects:

[0042] 1. The precision positioning pin 5 and the support block 4 share a lifting mechanism, with a simple structure, small size, and small occupied space;

[0043] 2. The setting of the precision linear guide 22 ensures the repeatability accuracy of the positioning pin and the repeatability accuracy of the support block 4, improving the positioning accuracy and service life;

[0044] 3. Reduces the height of the welded product, improves the accessibility of the welding robot, and ensures the smoothness of the welded product offline.

[0045] It should be noted that in this specification, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, the elements defined by the statement "comprising..." do not exclude the presence of additional identical elements in the process, method, article or device including the said elements.

[0046] Although the content of the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as a limitation of the present invention. After those skilled in the art have read the above content, various modifications and substitutions to the present invention will be obvious. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims

1. A precision positioning pin and support block synchronous lifting and locking mechanism, used for positioning and clamping the rear beam of a new energy battery box, characterized in that: Include: A bottom plate, wherein a clearance hole is provided on the bottom plate; A lifting mechanism, wherein the lifting mechanism is arranged on the bottom plate; A lifting block, which is arranged at the output end of the lifting mechanism and is lifted in the clearance hole as the lifting mechanism acts; A support block, which is arranged on the lifting block and is used to support the rear beam of the new energy battery box; A precision positioning pin, which is arranged on the jacking block and located on one side of the support block, and is used to be inserted into the positioning hole of the rear beam of the new energy battery box to position the rear beam of the new energy battery box; A clamping mechanism is arranged on the base plate and is used to clamp the rear beam of the new energy battery box.

2. The precise positioning pin and support block synchronous lifting and locking mechanism as claimed in claim 1, characterized in that: The lifting mechanism comprises: A guide rail mounting plate, the guide rail mounting plate being arranged on the bottom plate; A precision linear guide rail, wherein the precision linear guide rail is arranged on the guide rail mounting plate, and the lifting block is slidably connected to the precision linear guide rail; A cylinder seat, the cylinder seat being arranged at the bottom of the base plate; A lifting cylinder, wherein the fixed end of the lifting cylinder is hinged on the cylinder seat, and the output end of the lifting cylinder is hinged on the lifting block.

3. The precise positioning pin and support block synchronous lifting and locking mechanism as claimed in claim 2, characterized in that: A reinforcing plate is provided between the guide rail mounting plate and the bottom plate.

4. The precise positioning pin and support block synchronous lifting and locking mechanism as claimed in claim 1, characterized in that: The clamping mechanism comprises: A pressing cylinder, the pressing cylinder being arranged on the bottom plate; A clamping plate is arranged at the output end of the clamping cylinder.

5. The precise positioning pin and support block synchronous lifting and locking mechanism as claimed in claim 4, characterized in that: A protective block is provided at the pressing end of the pressing plate.