Rapid vehicle type switching mechanism for vehicle frame marking machine

By designing a model quick switching mechanism for frame numbering machines, the problem of equipment in the mixed line production of multiple models is solved, and the automatic selection of model stamping templates is realized, reducing cost and footprint, and effectively preventing product quality and equipment damage.

CN222780175UActive Publication Date: 2025-04-22CHINA FAW CO LTD
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Patent Information

Application Number
CN202420087446.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-15
Publication Date
2025-04-22
Estimated Expiration
2034-01-15

AI Technical Summary

Technical Problem

In the case of mixed production of multiple models, existing frame shaping equipment cannot be compatible with the shaping requirements of different models, resulting in high costs, large footprint, inconvenient management, and the risk of choosing the wrong template, which can easily lead to poor product quality, equipment damage, personnel and mechanical injuries and loss of line suspension.

Method used

A vehicle model quick switching mechanism for frame numbering machines is designed, including an electric lifting car, a fast switching positioning locking mechanism, a signal transmission plug and a controller. By manually switching the etching head and plugging and unplugging the signal transmission plug, the controller automatically selects the corresponding vehicle model etching template.

Benefits of technology

The agency can automatically select vehicle models to stamp templates, reduce equipment quantity and floor area, reduce cost investment, and effectively prevent product quality problems and equipment damage caused by misoperation of personnel, and avoid loss of line shutdown.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to a vehicle type rapid switching mechanism for a vehicle frame marking machine. The vehicle type rapid switching mechanism comprises two electric lifting trolleys, a rapid switching positioning locking mechanism, a signal transmission plug and a controller. The rapid switching positioning locking mechanism is fixed to the electric lifting trolley and comprises a rapid switching clamping mechanism and a positioning mechanism. The signal transmission plug is arranged on the controller 4 and comprises a plurality of plug pins. According to the utility model, the engraving head is manually switched and the signal transmission plug is manually plugged, so that the controller automatically inputs a signal according to the signal transmission plug of the engraving head and selects an engraving template of a corresponding vehicle type; the mechanism can replace manual work to automatically select a vehicle type engraving template, is simple in overall structure and low in cost, effectively reduces the number of equipment, reduces the occupied area, reduces the cost investment, can realize effective mistake proofing of the equipment, and improves the production efficiency. And poor product quality, equipment damage and personnel mechanical injury caused by misoperation of personnel and line stop loss caused by equipment maintenance and product maintenance can be effectively eliminated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and in particular relates to a vehicle model rapid switching mechanism for a vehicle frame marking machine, which is suitable for a marking process of a scribing method. Background Art

[0002] The VIN number is engraved on the frame as required by the laws and regulations of the vehicle. Usually, the engraving is done by two methods: scratching and laser engraving. The scratching method is suitable for process environments with small output and sufficient assembly space, with simple structure and low cost; the laser engraving method is suitable for process environments with large output.

[0003] Usually, when engraving, the engraving equipment and the engraved parts are mechanically positioned, which is generally only applicable to one model. In the case of mixed production of multiple models, the mechanical positioning is not compatible, the engraving requirements are inconsistent, and the engraving templates are not universal. Currently, the only way to meet the requirements of the introduction of new models is to add new engraving equipment. This leads to high costs, large floor space, inconvenience in management, and the risk of choosing the wrong template, which can easily lead to poor product quality, equipment damage, mechanical injuries to personnel, and line downtime losses caused by equipment maintenance and product maintenance. Summary of the invention

[0004] The purpose of the utility model is to provide a low-cost vehicle type quick switching machine for numbering equipment to effectively prevent errors and eliminate the problems of poor product quality, equipment damage, mechanical injuries to personnel, and line downtime losses caused by equipment maintenance and product maintenance due to human misoperation.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A vehicle model quick switching mechanism for a vehicle frame marking machine, comprising an electric lifting trolley 1, a quick switching positioning locking mechanism 2, a signal transmission plug 3 and a controller 4;

[0007] The electric lifting trolley 1 can be moved to the bottom of the quick-switching positioning locking mechanism 2; the quick-switching positioning locking mechanism 2 includes a clamping mechanism and a positioning mechanism, the clamping mechanism is located on the frame marking machine, and the positioning mechanism is located on the marking head; the signal transmission plug 3 is located on the marking head; the controller 4 is located on the frame marking machine and can be docked with the signal transmission plug 3;

[0008] The electric lifting trolley 1 is used to lift the marking head, the fast switching positioning locking mechanism 2 is used to dock and lock the marking head with the frame marking machine, and the signal transmission plug 3 is used to connect the controller 4 with the marking head for communication to achieve VIN engraving.

[0009] Furthermore, the electric lifting trolley 1 includes a frame structure, a lifting base plate and an electric lifting hydraulic cylinder; four universal wheels are installed at the bottom of the frame structure, the lifting base plate is fixed to the frame structure through a slide rail, and can slide along the track in the Z direction. The electric lifting hydraulic cylinder is fixed between the frame base and the lifting base plate with bolts. When in use, the electric hydraulic lifting cylinder moves in the Z direction to lift the lifting base plate.

[0010] Furthermore, it also includes a handle welded and fixed to the frame structure.

[0011] Furthermore, the positioning mechanism consists of two positioning pins and a base plate, the positioning pins are fastened to the base plate by threaded connection, and the base plate is fastened to the marking head by threaded connection.

[0012] Furthermore, the clamping mechanism consists of four quick-change clamps and a base plate, the quick-change clamps are fastened to the base plate by threaded connection, and the base plate is fastened to the marking machine by threaded connection.

[0013] Furthermore, the signal transmission plug 3 includes plug pins, a plug housing and a transmission cable.

[0014] Furthermore, the controller 4 includes a 19-core aviation plug, a marking head and a marking head terminal block; the marking head is the main actuator of the marking equipment, and after receiving the task command, the marking head performs the marking task; the marking head terminal block is located inside the signal transmission plug 3 and is fixed on the marking head; the 19-core aviation plug is connected to the controller, and the 19-core aviation plug can be plugged into the signal transmission plug 3 to realize signal transmission.

[0015] Further, the marking head is composed of two upper leaning positions, two positioning pins, a side leaning position, an auxiliary handle, a clamping cylinder and a pressure head, which are connected to each other using bolts.

[0016] Furthermore, the two upper rest positions and the side rest positions are used for Y-direction limit contact with the frame when the marking equipment is working; the auxiliary handle is used to move the marking head; the two locating pins are used for X / Z direction positioning of the marking head and the frame; the clamping cylinder ventilation drives the pressure head to move, clamping the marking head to the frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model is used for a vehicle model quick switching mechanism of a vehicle frame marking machine, which is mainly composed of an electric lifting trolley, a quick switching positioning locking mechanism, a signal transmission plug and a controller. It relies on manual switching of a marking head and manual plugging and unplugging of the signal transmission plug, so that the controller automatically selects a corresponding vehicle model marking template according to an input signal of the signal transmission plug of the marking head. The mechanism can automatically select the vehicle model marking template instead of manual operation, has a simple overall structure and low cost, effectively reduces the number of equipment, reduces the floor space, reduces cost investment, and can realize effective error prevention of equipment, which can effectively eliminate poor product quality, equipment damage, mechanical injuries to personnel, and line stop losses caused by equipment maintenance and product maintenance due to personnel misoperation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 To create a flow chart;

[0021] Figure 2 It is a structural schematic diagram of a vehicle model quick switching mechanism used in a vehicle frame numbering machine;

[0022] Figure 3 It is a schematic diagram of the quick-change clamping and positioning mechanism;

[0023] Figure 4 This is the pin-to-pin wiring diagram of the controller.

[0024] In the figure, 1. Electric lifting trolley 2. Quick switching positioning locking mechanism 3. Signal transmission plug 4. Controller. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with embodiments:

[0026] like Figure 1 As shown, the overall structure of the scribing engraving equipment is relatively simple, and the engraving steps are:

[0027] 1. Confirm the model;

[0028] 2. Vehicle type quick switching mechanism;

[0029] 3. Move the equipment to the frame;

[0030] 4. Enter the VIN number;

[0031] 5. The device starts and the engraving is completed.

[0032] The utility model is used for a vehicle model quick switching mechanism of a vehicle frame marking machine, which is a key component connecting a marking head and a scoring type marking device body and can realize quick and accurate switching of different vehicle models.

[0033] like Figure 2 As shown, the vehicle type quick switching mechanism of the utility model for a vehicle frame marking machine includes an electric lifting trolley 1, a quick switching positioning locking mechanism 2, a signal transmission plug 3 and a controller 4.

[0034] The electric lifting trolley 1 is movable and moves to the bottom of the quick-switching positioning locking mechanism 2 during operation. The quick-switching positioning locking mechanism 2 includes a clamping mechanism and a positioning mechanism, wherein the clamping mechanism is located on the frame marking machine and the positioning mechanism is located on the marking head. The signal transmission plug 3 is located on the marking head. The controller 4 is located on the frame marking machine.

[0035] Among them, the electric lifting trolley 1 is used to lift the marking head, the quick-switching positioning locking mechanism 2 is used to dock and lock the marking head with the frame marking machine, and the signal transmission plug 3 is used to connect the controller 4 with the marking head for communication to achieve VIN engraving.

[0036] When switching vehicle models, manually move the electric lifting trolley 1 of the corresponding vehicle model to the bottom of the positioning locking mechanism 2, press the button to lift the marking head and fit it with the frame marking machine, manually dock and lock the quick-switching positioning locking mechanism 2, and dock the signal transmission plug 3 with the controller 4.

[0037] By short-circuiting the signals of different terminals of the signal transmission plug 3, different signals are outputted corresponding to different vehicle model templates. The controller 4 receives the control signal and performs logic control, which can be redesigned according to different application scenarios.

[0038] Among them, the electric lifting trolley 1 includes a frame structure, a lifting base plate and an electric lifting hydraulic cylinder. Four universal wheels are installed at the bottom of the frame structure; it also includes a handle welded and fixed to the frame structure; the lifting base plate is fixed to the frame structure through a slide rail and can slide along the track in the Z direction; the electric lifting hydraulic cylinder is fixed between the frame base and the lifting base plate with bolts. When in use, the electric hydraulic lifting cylinder moves in the Z direction to lift the lifting base plate.

[0039] The positioning mechanism is fixed on the marking head through bolt connection, and the clamping mechanism is fixed on the marking machine through bolt connection.

[0040] The utility model adopts double positioning pins for positioning and four quick-change clamps for locking, and only the quick-change clamps need to be locked during switching. The positioning pins are located on the positioning mechanism, and the four quick-change clamps are fixed to the marking machine through the bottom plate using bolts.

[0041] Specifically, Figure 3As shown, the positioning mechanism consists of two positioning pins and a base plate. The positioning pins are fastened to the base plate by threaded connection, and the base plate is fastened to the marking head by threaded connection.

[0042] The clamping mechanism consists of 4 quick-change clamps and a base plate. The quick-change clamps are fastened to the base plate through threaded connections, and the base plate is fastened to the marking machine through threaded connections.

[0043] like Figure 3 As shown, the marking head is composed of two upper leaning positions, two positioning pins, a side leaning position, an auxiliary handle, a clamping cylinder and a pressure head, which are connected to each other by bolts. The tooling positioning pin is a positioning pin of a quick switching positioning locking mechanism 2, which is fixed to the marking head by a threaded connection.

[0044] Among them, the two upper rest positions and the side rest positions are used for Y-direction limit contact with the frame when the marking equipment is working; the auxiliary handle is used to move the marking head; the two locating pins are used for X / Z direction positioning of the marking head and the frame; the clamping cylinder ventilation drives the pressure head to move, clamping the marking head to the frame.

[0045] The signal transmission plug 3 includes plug pins, a plug housing and a transmission cable.

[0046] The controller 4 includes a 19-core aviation plug, a marking head and a marking head terminal block.

[0047] The marking head is the main actuator of the marking device. After receiving the task command, the marking head performs the marking task. The terminal block of the marking head is located inside the signal transmission plug 3 and fixed on the marking head; the 19-core aviation plug is connected to the controller. After the 19-core aviation plug is plugged into the signal transmission plug 3, signal transmission is realized.

[0048] The utility model customizes the controller plug pins, and automatically outputs the vehicle model information by short-circuiting the 15-pin and the 11-pin, and the 15-pin and the 12-pin. After plugging in, the corresponding vehicle model template can be automatically called, and the template error prevention function is provided.

[0049] The utility model is used for a vehicle model quick switching mechanism of a vehicle frame marking machine. It relies on manual switching of the marking head and manual plugging and unplugging of the signal transmission plug, so that the controller automatically selects the corresponding vehicle model marking template according to the input signal of the signal transmission plug of the marking head. The mechanism can automatically select the vehicle model marking template instead of manual operation. The overall structure is simple and the cost is low. It can effectively prevent errors in the equipment and effectively eliminate poor product quality, equipment damage, mechanical injuries to personnel, and line stop losses caused by equipment maintenance and product maintenance due to personnel misoperation.

[0050] Example 1

[0051] The numbering equipment for a certain model of Hongqi uses a scratching type marking device. The model quick switching mechanism can quickly switch the marking device body and the marking head. The operator only needs to plug in the corresponding plug, and the equipment controller can automatically identify the corresponding model and automatically call the preset template. The switching time of this structure is less than 60s, which can meet the beat requirements of the 1JPH production line.

[0052] This mechanism can eliminate the problems of template quality errors and equipment failures caused by human negligence.

[0053] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A vehicle type quick switching mechanism for a vehicle frame marking machine, characterized in that: It comprises an electric lifting trolley (1), a quick-switching positioning locking mechanism (2), a signal transmission plug (3) and a controller (4); The electric lifting trolley (1) can be moved to the bottom of the quick-switching positioning locking mechanism (2); the quick-switching positioning locking mechanism (2) comprises a clamping mechanism and a positioning mechanism, the clamping mechanism is located on the frame marking machine, and the positioning mechanism is located on the marking head; the signal transmission plug (3) is located on the marking head; the controller (4) is located on the frame marking machine and can be docked with the signal transmission plug (3); The electric lifting trolley (1) is used to lift the marking head, the fast switching positioning locking mechanism (2) is used to dock and lock the marking head with the frame marking machine, and the signal transmission plug (3) is used to connect the controller (4) with the marking head for communication, thereby realizing VIN marking.

2. A vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The electric lifting trolley (1) comprises a frame structure, a lifting base plate and an electric lifting hydraulic cylinder; four universal wheels are installed at the bottom of the frame structure, the lifting base plate is fixed to the frame structure by means of a slide rail and can slide along the rail in the Z direction; the electric lifting hydraulic cylinder is fixed between the frame base and the lifting base plate by bolts; when in use, the electric hydraulic lifting cylinder moves in the Z direction to lift the lifting base plate.

3. A vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 2, characterized in that: It also includes a handle which is welded and fixed to the frame structure.

4. A vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The positioning mechanism consists of two positioning pins and a base plate. The positioning pins are fastened to the base plate through threaded connection, and the base plate is fastened to the marking head through threaded connection.

5. The vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The clamping mechanism consists of four quick-change clamps and a base plate. The quick-change clamps are fastened to the base plate through threaded connection, and the base plate is fastened to the marking machine through threaded connection.

6. The vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The signal transmission plug (3) comprises a plug pin, a plug housing and a transmission cable.

7. The vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The controller (4) comprises a 19-core aviation plug, a marking head and a marking head terminal block; the marking head is the main actuator of the marking device, and after receiving a task command, the marking head performs the marking task; the marking head terminal block is located inside the signal transmission plug (3) and is fixed on the marking head; the 19-core aviation plug is connected to the controller, and the 19-core aviation plug can be plugged into the signal transmission plug (3) to achieve signal transmission.

8. The vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 1, characterized in that: The marking head consists of 2 upper rests, 2 locating pins, side rests, auxiliary handles, clamping cylinders and pressure heads, which are connected to each other using bolts.

9. A vehicle type quick switching mechanism for a vehicle frame marking machine according to claim 8, characterized in that: The two upper leaning positions and the side leaning positions are used to limit the Y direction of the marking equipment in contact with the frame when it is working; the auxiliary handle is used to move the marking head; the two locating pins are used to position the marking head and the frame in the X / Z direction; the clamping cylinder is ventilated to drive the pressure head to move, and the marking head is clamped to the frame.