New energy charging small door testing and assembling device

The charging door testing and assembly device, which integrates pre-assembly fixtures for wire harnesses, assembly fixtures for the lower housing, and final assembly fixtures, solves the problem of complex charging door testing and assembly equipment, achieves efficient semi-automated production, reduces costs, and improves efficiency.

CN223172414UActive Publication Date: 2025-08-01SHANGHAI TUOZHAN ELECTRICAL & MECHANICAL EQUIP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422316786.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-08-01
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing testing and assembly equipment for charging doors has a complex structure, resulting in low assembly and testing efficiency and making it impossible to achieve efficient semi-automated production.

Method used

A test assembly device for a new energy charging gate was designed, comprising a wire harness pre-assembly fixture, a lower shell assembly fixture, and a final assembly fixture, all integrated on a workbench. The device enables semi-automatic assembly and testing of the charging gate through cylinders and contouring fixtures.

Benefits of technology

It enables efficient testing and assembly of charging gates, reduces equipment and labor costs, improves production efficiency, and features a simple and easy-to-maintain equipment structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223172414U_ABST
    Figure CN223172414U_ABST
Patent Text Reader

Abstract

The utility model relates to a new energy charging small door testing and assembling device. The device comprises a wire harness preassembling tool, a lower shell assembling tool and a total assembling tool which are sequentially installed on a workbench. The lower shell assembly tool comprises a lower shell profiling tool A, a pressing block air cylinder arranged at the bottom of the lower shell profiling tool A, and a pressing block located above a center through hole of the lower shell profiling tool and fixedly installed at the movable end of the pressing block air cylinder. The general assembly tool comprises a lower shell profiling tool B, a door cover plate profiling tool, a cantilever and a pushing air cylinder which are used for fixing a lower shell in the lower shell profiling tool B, a hinge installation mechanism used for installing a hinge part between a door cover plate and the lower shell, and a detection mechanism used for detecting state signals of the door cover plate. The utility model has the advantages of simple structure and high assembling and testing efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a new energy charging small door test and assembly device, belonging to the technical field of new energy vehicle parts production. Background Art

[0002] The charging small door is a covering part of the new energy vehicle charging port, similar to the fuel filler cap of a traditional vehicle, mainly serving to protect the new energy vehicle charging port. The charging small door consists of a lower housing, a hinge, a plastic bolt, a damper, a spring, an indicator light, a switch sensor, a door cover plate, a connecting plate, a rear cover plate, and screws. At present, there are many devices and complex processes involved in the testing and assembly technology of charging small doors in the market. Therefore, there is an urgent need for an integrated device with a simple structure, high assembly and testing efficiency to test and assemble the charging small door. Summary of the Invention

[0003] The purpose of the utility model is to overcome the above deficiencies and provide an integrated new energy charging small door test and assembly device with a simple structure, high assembly and testing efficiency, for efficiently testing and assembling the charging small door.

[0004] The purpose of the utility model is achieved as follows:

[0005] The new energy charging small door test and assembly device includes a wire harness pre-assembly tooling, a lower housing assembly tooling, and a general assembly tooling that are sequentially installed on a workbench;

[0006] The wire harness pre-assembly tooling includes a first base installed on the workbench and a connector profiling tooling arranged on the first base;

[0007] The lower housing assembly tooling includes a second base installed on the workbench, a lower housing profiling tooling A installed on the second base, a pressing block cylinder arranged at the bottom of the lower housing profiling tooling A, and a pressing block fixed on the movable end of the pressing block cylinder and located above the central through hole of the lower housing profiling tooling;

[0008] The general assembly tooling includes a third base installed on the workbench, a lower housing profiling tooling B, a door cover plate profiling tooling, a cantilever and a pushing cylinder for fixing the lower housing in the lower housing profiling tooling B, a hinge installation mechanism for installing the hinge part between the door cover plate and the lower housing, and a detection mechanism for detecting the state signal of the door cover plate.

[0009] Furthermore, the first base is fixedly installed on the workbench through four columns.

[0010] Furthermore, two pressing rods are symmetrically and rotatably installed at both ends of the pressing block.

[0011] Further, the middle part of the cantilever is hinged to the third base through a connecting rod, the tail end of the cantilever is hinged to the movable end of a cantilever cylinder installed on the third base, and a pressing head is installed at the head of the cantilever.

[0012] Further, the hinge installation mechanism includes a lifting cylinder and a hinge cylinder installed on the third base, and a clamping cylinder installed at the movable end of the lifting cylinder.

[0013] Further, the detection mechanism includes a lifting cylinder installed on the third base, and a pressing cylinder installed at the movable end of the lifting cylinder and used for pressing the door cover plate.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] By integrally installing a wire harness pre-assembly tooling, a lower shell assembly tooling, and a general assembly tooling on the workbench, the present utility model successively completes the plugging of the plug connector of the switch sensor wire harness, the assembly of the rear cover plate, the switch sensor, the locking device and the lower shell, and the hinge installation and pressing detection of the door cover plate; the device has a simple structure, is convenient for maintenance and repair, and reduces costs; the operation is simple and convenient, realizing semi-automatic production of the assembly test of the new energy charging small door, reducing labor costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the test assembly device for the new energy charging small door of the present utility model.

[0017] Figure 2 It is a schematic structural diagram of the wire harness pre-assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0018] Figure 3 It is a top view of the wire harness pre-assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0019] Figure 4 It is a schematic structural diagram of the lower shell assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0020] Figure 5 It is a top view of the lower shell assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0021] Figure 6 It is a schematic structural diagram of the general assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0022] Figure 7 It is a top view of the general assembly tooling of the test assembly device for the new energy charging small door of the present utility model.

[0023] Wherein:

[0024] Workbench 1, harness pre-assembly tooling 2, lower housing assembly tooling 3, and general assembly tooling 4;

[0025] Connector 10, switch sensor 11, lower housing 12, lock 13, rear cover plate 14, door cover plate 15, indicator light 16, spring 17, plastic bolt 18, damper 19, first base 21, connector profiling tooling 22, column 23, second base 31, lower housing profiling tooling A 32, pressing block cylinder 33, pressing block 34, pressing rod 35, third base 41, lower housing profiling tooling B 42, door cover plate profiling tooling 43, cantilever 44, pushing cylinder 45, detection mechanism 46, lifting cylinder 47, hinge cylinder 48, clamping cylinder 49;

[0026] Connecting rod 441, cantilever cylinder 442, pressing head 443, lifting cylinder 461, pressing cylinder 462. Specific embodiments

[0027] See Figures 1 to 7 , a new energy charging small door test and assembly device according to the present utility model, includes a harness pre-assembly tooling 2, a lower housing assembly tooling 3, and a general assembly tooling 4 that are sequentially installed on the workbench 1;

[0028] The harness pre-assembly tooling 2 includes a first base 21 fixedly installed on the workbench 1 through four columns 23, and a connector profiling tooling 22 arranged on the first base 21; place the connector 10 in the connector profiling tooling 22 and fix it tightly, insert the wire harness plug of the switch sensor 11 into the connector 10; after insertion, manually pull it out to detect whether there is a problem of incomplete insertion and falling off;

[0029] The lower housing assembly tooling 3 includes a second base 31 installed on the workbench 1, a lower housing profiling tooling A 32 installed on the second base 31, a pressing block cylinder 33 arranged at the bottom of the lower housing profiling tooling A 32, and a pressing block 34 fixedly installed on the movable end of the pressing block cylinder 33 above the central through hole of the lower housing profiling tooling A 32; two pressing rods 35 are symmetrically and rotatably installed at both ends of the pressing block 34; close the pressing rods 35, then place the lower housing 12 in the lower housing profiling tooling A 32, the central hollow part of the lower housing 12 is sleeved on the outer circle of the pressing rods 35, open the pressing rods 35, the pressing block cylinder 33 drives the pressing rods 35 to press down, and the pressing rods 35 press the lower housing 12 and fix it in the lower housing profiling tooling A 32; manually insert and install the lock 13 onto the lower housing 12, install the rear cover plate 14 and the indicator light 16 onto the lower housing 12 and tighten them, then install the connector 10 and the switch sensor 11 completed in the previous process to the buckle of the lower housing 12, after all installations, take out the lower housing 12;

[0030] The final assembly tool 4 includes a third base 41 mounted on the workbench 1, a lower shell profiling tool B42 mounted on the third base 41, a door cover profiling tool 43, a cantilever 44 and a pushing cylinder 45 for fixing the lower shell 12 in the lower shell profiling tool B42, a hinge installation mechanism for installing the hinged portion between the door cover 15 and the lower shell 12, and a detection mechanism 46 for detecting a status signal of the door cover 15;

[0031] The middle part of the cantilever 44 is hinged to the third base 41 through a connecting rod 441, and the tail end of the cantilever 44 is hinged to the movable end of the cantilever cylinder 442 installed on the third base 41, and the head of the cantilever 44 is installed with a pressing head 443; the lower shell 12 assembled in the previous step is placed in the lower shell profiling tool B42, and the door cover 15 is placed in the door cover profiling tool 43; using the positional relationship between the two sets of profiling tooling, the hinged parts of the lower shell 12 and the door cover 15 are automatically aligned, and the plastic pin 18 is pre-installed to the hinged part; the cylinder 45 is used to push the rear cover 14 on the back of the lower shell 12; using the leverage of the connecting rod 441, the cantilever cylinder 442 pushes the cantilever 44 to press the pressing head 443 against the front of the lower shell 12, and the lower shell 12 is fixed in the lower shell profiling tool B42;

[0032] The hinge installation mechanism comprises a lifting cylinder 47 and a hinge cylinder 48 mounted on the third base 41, and a pinching cylinder 49 mounted at the movable end of the lifting cylinder 47. The hinge cylinder 48 provides positioning for the spring 17 and damper 19 to be preassembled together to form a pre-assembled hinge assembly. The lifting cylinder 47 then drives the pinching cylinder 49 downward, which then grips the pre-assembled hinge assembly. The lifting cylinder 47 then drives the pinching cylinder 49 upward, causing the pre-assembled hinge assembly to automatically engage with the plastic pin 18 at the hinged joint between the lower housing 12 and the door cover 15, completing the hinge installation between the lower housing 12 and the door cover 15.

[0033] The detection mechanism 46 includes a lifting cylinder 461 mounted on the third base 41 and a pressing cylinder 462 mounted on the movable end of the lifting cylinder 461 and used to press the door cover 15. After the hinge is installed, the cantilever 44 retracts, closing the door cover 15. The lifting cylinder 461 lifts the pressing cylinder 462, which presses the door cover 15 to simulate the opening and closing process of the door cover 15. The electrical signal from the switch sensor 11 is used to detect whether the charging door meets the installation requirements. When the charging door is open, that is, the door cover 15 is separated from the switch sensor 11, the resistance value must meet 187Ω, +2.87, -1.87; when the charging door is closed, that is, the door cover 15 presses the switch sensor 11, the resistance value must meet 2057Ω, +21.57, -20.57. After the inspection is completed, the product is removed, and the assembly and testing of the charging door are completed.

[0034] The new energy charging small door test assembly device of the utility model, through the wire harness pre-assembly tooling 2, the lower shell assembly tooling 3 and the general assembly tooling 4 sequentially installed on the workbench 1, respectively complete the plugging of the wire harness of the switch sensor 11 into the connector 10, the assembly of the rear cover plate 14, the switch sensor 11, the stopper 13 and the lower shell 12, and the hinge installation and pressing detection of the door cover plate 15; the device has a simple structure, is convenient for maintenance and reduces costs; the operation is simple and convenient, realizes the semi-automatic production of the new energy charging small door assembly test, reduces the labor cost and improves the production efficiency.

[0035] In addition: it should be noted that the above specific implementation manner is only an optimized solution of this patent, and any changes or improvements made by those skilled in the art according to the above conceptions are within the protection scope of this patent.

Claims

1. New energy charging small door test assembly device, characterized in that: It includes a wire harness pre-assembly tooling (2), a lower shell assembly tooling (3), and a general assembly tooling (4) that are successively installed on a workbench (1). The wire harness pre-assembly tooling (2) includes a first base (21) installed on the workbench (1) and a connector profiling tooling (22) arranged on the first base (21). The lower shell assembly tooling (3) includes a second base (31) installed on the workbench (1), a lower shell profiling tooling A (32) installed on the second base (31), a pressing block cylinder (33) arranged at the bottom of the lower shell profiling tooling A (32), and a pressing block (34) located above the central through-hole of the lower shell profiling tooling A (32) and fixedly installed on the movable end of the pressing block cylinder (33). The general assembly tooling (4) includes a third base (41) installed on the workbench (1), a lower shell profiling tooling B (42) installed on the third base (41), a door cover profiling tooling (43), a cantilever (44) and a pushing cylinder (45) for fixing the lower shell in the lower shell profiling tooling B (42), a hinge installation mechanism for installing the hinge part between the door cover and the lower shell, and a detection mechanism (46) for detecting the state signal of the door cover.

2. The new energy charging small door test assembly device according to claim 1, characterized in that: The first base (21) is fixedly installed on the workbench (1) through four columns (23).

3. The new energy charging small door test and assembly device according to claim 1, wherein: Two pressing rods (35) are symmetrically and rotatably installed at both ends of the pressing block (34).

4. The new energy charging small door test and assembly device according to claim 1, wherein: The middle part of the cantilever (44) is hinged to the third base (41) through a connecting rod (441), the tail end of the cantilever (44) is hinged to the movable end of a cantilever cylinder (442) installed on the third base (41), and a pressing head (443) is installed at the head of the cantilever (44).

5. The new energy charging small door test and assembly device according to claim 1, characterized in that: The hinge installation mechanism includes a lifting cylinder (47) and a hinge cylinder (48) installed on the third base (41), and a clamping cylinder (49) installed on the movable end of the lifting cylinder (47).

6. The new energy charging small door test and assembly device according to claim 1, wherein: The detection mechanism (46) includes a lifting cylinder (461) installed on the third base (41) and a pressing cylinder (462) installed on the movable end of the lifting cylinder (461) and used for pressing the door cover.