High-precision assembly tool for automobile instrument panel cross beam
By designing a rotary assembly table and high-precision assembly tooling with multiple positioning mechanisms, the assembly accuracy and cost issues of the dashboard beam were resolved, achieving high-precision assembly and cost savings.
Patent Information
- Application Number
- CN202422920414.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The assembly accuracy of existing automobile dashboard crossbeams is difficult to guarantee, and different models of dashboard crossbeams require customized assembly tooling, resulting in high production and R&D costs.
A high-precision assembly tool was designed, including a rotary assembly table, a reference positioning pin, an angle locking mechanism and an elastic locking mechanism. It can independently position the automobile dashboard beam parts in the vehicle coordinate system, eliminate the influence of errors, and is suitable for the assembly of two different types of beams.
High-precision assembly of automobile instrument panel beams is achieved, assembly errors are reduced, and one set of tooling can be applied to two types of beams, saving production and R&D costs.
Smart Images

Figure CN223455448U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts assembly, and specifically relates to a high-precision assembly tool for automobile instrument panel cross beams. BACKGROUND
[0002] The assembly precision of the automobile instrument panel cross beam currently depends on multiple precise positioning references provided on the parts, and the precision and structure of the parts are relied on to ensure the finished product after assembly. The assembly tool only provides basic assembly support and does not provide position assurance. In this assembly mode, the assembly precision of the automobile instrument panel cross beam is difficult to guarantee, and the assembly error is large. Moreover, the current assembly tool is generally only suitable for the assembly of one type of automobile instrument panel cross beam. Enterprises usually need to customize different assembly tools for each type of automobile instrument panel cross beam, resulting in high production and research and development costs. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model provides a high-precision assembly tool for automobile instrument panel cross beams. The high-precision assembly tool can independently position the constituent parts of the automobile instrument panel cross beam on the vehicle coordinate, eliminate the influence of part errors, ensure the size of the assembly is qualified, and a set of tool is suitable for the assembly of two different types of automobile instrument panel cross beams, which can effectively save the production and research and development costs of enterprises.
[0004] A high-precision assembly tool for automobile instrument panel cross beams, comprising a workbench, a rotating assembly table and a elastic translation positioning mechanism mounted above the workbench, a reference positioning pin positioned on the rotating assembly table according to the vehicle coordinate system, an angle locking mechanism and an elastic locking mechanism, the reference positioning pin is used for positioning the cross beam, the rotating assembly table is suspended on the workbench and the rotating angle is determined by the angle locking mechanism, the elastic translation positioning mechanism is used for preassembling the air conditioner and can provide a rotating space for the rotating assembly table, and the elastic locking mechanism is used for positioning the display support.
[0005] As a preferred embodiment of the above technical solution, the elastic translation positioning mechanism is mounted in the middle of the top surface of the workbench, the rotating assembly table avoids the elastic translation positioning mechanism in the middle, and the two sides are mounting platforms. The rotating assembly table is supported by a bearing support at both ends and is manually driven to rotate by a hand-operated turntable and a speed reducer.
[0006] As a preferred embodiment of the above technical solution, the angle locking mechanism comprises a positioning disc and a spring positioning pin. The positioning disc is mounted on one side of the rotating assembly table, and the spring positioning pin is mounted above the bearing support adjacent to the positioning disc. After the rotating assembly table is rotated to a specified angle, the spring positioning pin slides into the positioning hole on the positioning disc.
[0007] As the preferred technical scheme, a group of reference positioning pins are arranged on each side of the mounting platform, each group of the reference positioning pins is provided with two pins, a positioning base plate vertically fixed on the mounting platform is manually adjusted in and out by a linkage mechanism, the positions of the two reference positioning pins are suitable for positioning two different types of cross beams respectively, a pressing part used in cooperation with the reference positioning pins is further arranged on one side of the positioning base plate, and the positioning base plate can slide along the Y axis.
[0008] As the preferred technical scheme, the linkage mechanism comprises a lever support, the two reference positioning pins are hingedly connected to two ends of the lever support in parallel, and the lever support is driven by a quick clamp.
[0009] As the preferred technical scheme, the elastic translation positioning mechanism comprises a sliding table, a lifting table is arranged above the sliding table, the lifting table is manually adjusted in height, a profiled positioning support for supporting an air conditioner is arranged on the lifting table, and the sliding table is reset by a reset assembly.
[0010] As the preferred technical scheme, the elastic locking mechanism comprises a locking pin, the locking pin can be slidably extended to position and reset by the reset assembly.
[0011] As the preferred technical scheme, a Z-direction positioning rod is further arranged on the mounting platform for mounting the reference positioning pins, the Z-direction positioning rod can be slidably extended to position and reset by the reset assembly.
[0012] As the preferred technical scheme, the reset assembly comprises a connecting spring, the connecting spring is used for connecting a positioning member and a sliding member, the sliding member is provided with a limiting hole, after the sliding member is slid to a specified position, the limiting hole is inserted by a locking block connected to the end of a button to limit, after the button is pressed, the locking block is lifted to release the sliding member and reset.
[0013] Compared with the prior art, the automobile instrument panel cross beam positioning device has the following beneficial effects:
[0014] The rotation assembly table, the reference positioning pin, the angle locking mechanism and the elastic locking mechanism are arranged, so that different parts of the automobile instrument panel cross beam can be positioned and mounted on the whole vehicle coordinate system, each part can be independently positioned, the influence of part errors is eliminated, the size of the assembled assembly is guaranteed to be qualified, one set of tooling is suitable for assembling two different types of automobile instrument panel cross beams, and the production and development cost of enterprises can be effectively saved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The structure of the utility model is shown Figure 1 .
[0016] Figure 2The utility model discloses a structure schematic diagram Figure 2 .
[0017] Figure 3 It is mechanism schematic drawing of elastic translation positioning mechanism.
[0018] Figure 4 It is assembly structure schematic drawing of reference positioning pin.
[0019] Figure 5 It is Figure 2 Enlarged view of A in the middle.
[0020] Figure 6 It is structure schematic drawing of elastic locking mechanism.
[0021] Figure 7 It is assembly structure schematic drawing of Z direction positioning rod.
[0022] The signs are as follows: 1-workbench, 2-rotary assembly table, 3-elastic translation positioning mechanism, 301-slideway table, 302-lifting table, 3021-upper sliding frame, 3022-linear module, 3023-adjusting support, 3024-rotating wheel, 3025-positioning rod, 3026-lifting adjusting handle, 3027-waist type hole, 3028-guiding seat, 3029-guiding rod, 30210-limiting block, 30211-vertical hole, 30212-pin shaft, 303-imitation positioning support, 4-reference positioning pin, 5-angle locking mechanism, 501-positioning disc, 502-spring positioning pin, 6-elastic locking mechanism, 601-locking pin, 7-bearing support, 8-hand-operated rotary disc, 9-reducer, 10-linkage mechanism, 1001-lever support, 1002-speed clamp, 11-positioning base plate, 12-pressing part, 13-Z direction positioning rod, 14-connecting spring, 15-limiting hole, 16-button, 17-locking block, 18-coupling, 19-pin shaft. DETAILED DESCRIPTION
[0023] To make the purpose, technical scheme and advantages of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.
[0024] The utility model will be further described in detail below in conjunction with the drawings:
[0025] As Figure 1 , Figure 2The high-precision assembly tool for automobile instrument panel crossbeam comprises a workbench 1, a rotary assembly table 2 and an elastic translation positioning mechanism 3 installed above the workbench 1, a reference positioning pin 4 positioned on the rotary assembly table 2 according to the whole vehicle coordinate system, an angle locking mechanism 5 and an elastic locking mechanism 6, the reference positioning pin 4 is used for positioning the crossbeam, the rotary assembly table 2 is suspended on the workbench 1 and the rotary angle is determined through the angle locking mechanism 5, the elastic translation positioning mechanism 3 is used for preassembling the air conditioner and can provide a rotary space for the rotary assembly table 2, and the elastic locking mechanism 6 is used for positioning the display support.
[0026] Specifically, the workbench 1 is welded by square steel and steel plate, and the workbench 1 is further provided with a roller at the bottom, facilitating walking, and the rotary assembly table 2 is composed of sectional materials.
[0027] In the embodiment, the elastic translation positioning mechanism 3 is installed at the middle part of the top surface of the workbench 1, the rotary assembly table 2 avoids the elastic translation positioning mechanism 3 at the middle part and is provided with installation platforms at both sides, and both ends of the rotary assembly table 2 are supported through bearing supports 7 and are driven to rotate manually through the cooperation of a hand-operated rotary disc 8 and a speed reducer 9.
[0028] In the embodiment, the angle locking mechanism 5 comprises a positioning disc 501 and a spring positioning pin 502, the positioning disc 501 is installed on one side of the rotary assembly table 2, the spring positioning pin 502 is installed above the bearing support 7 adjacent to the positioning disc 501, and after the rotary assembly table 2 is rotated to a specified angle, the spring positioning pin 502 slides into the positioning hole on the positioning disc 501, as shown in the figure. Figure 5
[0029] Specifically, the hand-operated rotary disc 8 is manually rotated to drive the speed reducer 9 to rotate, the output shaft of the speed reducer 9 is connected with the rotary assembly table 2 through a shaft coupling 18, so as to drive the rotary assembly table 2 to rotate. When the spring positioning pin 502 slides into the positioning hole on the positioning disc 501, the spring positioning pin 501 can be positioned by inserting a pin shaft 19, when the spring positioning pin 501 needs to be pulled out, the pin shaft 19 is removed, and the spring positioning pin 501 can be pulled out.
[0030] In the embodiment, a group of reference positioning pins 4 are arranged on each installation platform, each group of the reference positioning pins 4 comprises two pins arranged vertically, the two reference positioning pins 4 are manually adjusted in and out of a positioning base plate 11 fixed vertically on the installation platform through a linkage mechanism 10, the positions of the two reference positioning pins 4 are respectively suitable for positioning two different types of crossbeams, a pressing part 12 used in cooperation with the reference positioning pin 4 is further installed on one side of the positioning base plate 11, and the positioning base plate 11 can slide along the Y axis.
[0031] In the embodiment, the linkage mechanism 10 comprises a lever support 1001, two reference positioning pins 4 are hingedly connected to two ends of the lever support 1001 in parallel, the lever support 1001 is driven by a quick clamp 1002, as shown in the figure. Figure 4
[0032] Specifically, by operating the quick clamp 1002, the two reference positioning pins 4 arranged in parallel can be rotated back and forth around the hinge point on the lever support 1001, ensuring that only one of the two reference positioning pins 4 works, avoiding misinsertion, the positioning base plate 11 is connected with the mounting platform through a linear module arranged along the Y-axis direction, and can slide along the Y-axis. After the cross beam is positioned, the cross beam can be pressed on the rotary assembly table 2 by pushing the pressing component 12 mounted beside the reference positioning pin 4, and correspondingly, the pressing component 12 comprises two pressing blocks, since it is not necessary to consider avoiding the pressing cross beam, the two pressing blocks can act simultaneously, the pressing component 12 is a conventional pressing structure, and the structure will not be described in detail here.
[0033] In the embodiment, the elastic translation positioning mechanism 3 comprises a sliding table 301, a lifting table 302 is mounted above the sliding table 301, the lifting table 302 is manually adjusted, a profile positioning support 303 for supporting an air conditioner is mounted on the lifting table 302, and the sliding table 301 is reset by a reset assembly. The reset assembly of the elastic translation positioning mechanism 3 is not shown in the figure.
[0034] The high-precision assembly tool sets two vehicle model position profiles, can be suitable for two vehicle models, realizes non-interference sharing of the two vehicle models through the rotary assembly table 2; after the profile positioning support 303 of the lifting table 302 is installed with a preassembled air conditioner, the lifting table 302 is manually adjusted to rise, the product is pushed into the cross beam for assembly, after the assembly is completed, the lifting table 302 is manually adjusted to descend, the lifting table 302 is separated from the air conditioner, and then the reset assembly resets the sliding table 301, and the lifting table 302 retreats to a position not interfering with the rotation of the rotary assembly table 2;
[0035] Specifically, the sliding table 301 slides on the sliding rail, and the lifting table 302 is manually adjusted to lift. In the embodiment, the lifting table 302 comprises an upper sliding frame 3021, which is installed above the sliding table 301 through a vertically arranged linear module 3022. The sliding table 301 is provided with an adjusting support 3023, the front end of the adjusting support 3023 is provided with a rotating wheel 3024, the front end of the rotating wheel 3024 is vertically fixed with a positioning rod 3025, the positioning rod 3025 is eccentrically arranged, and the end of a lifting adjusting handle 3026 for manually adjusting the lifting is provided with a waist-shaped hole 3027 sleeving the positioning rod 3025. The sliding table 301 is provided with a guide seat 3028, the upper sliding frame 3021 is fixedly connected with a guide rod 3029 matched with the guide seat 3028. The guide seat is provided with a limiting block 30210, the limiting block 30210 is provided with a vertical hole 30211 movably matched with the lifting adjusting handle 3026, the middle part of the lifting adjusting handle 3026 is rotationally limited in the vertical hole 30211 through a pin shaft 30212, and the waist-shaped hole 3027 at the end of the lifting adjusting handle 3026 drives the rotating wheel 3024 to rotate through the adjustment of the positioning rod 3025, so that the lifting table 302 can be lifted along the linear module 3022, as shown in Figure 3 .
[0036] In the embodiment, the elastic locking mechanism 6 comprises a locking pin 01, the locking pin 601 can be slidably extended to be positioned and reset through a reset assembly, as shown in Figure 6 .
[0037] In the embodiment, the mounting platform for mounting the reference positioning pin 4 is further provided with a Z-direction positioning rod 13, the Z-direction positioning rod 13 can be slidably extended to be positioned and reset through a reset assembly, as shown in Figure 7 .
[0038] In the embodiment, the reset assembly comprises a connecting spring 14, the connecting spring 14 is used to connect a positioning member and a sliding member, the sliding member is provided with a limiting hole 15, after the sliding member is slid to a specified position, the limiting hole 15 is inserted and limited through a locking block 17 connected to the end of a button 16, after the button 16 is pressed, the locking block 17 is lifted, and the sliding member is released and reset.
[0039] Specifically, the slider for resetting the sliding table 301 refers to the sliding table 301, the slider for resetting the locking pin 601 and the Z-direction positioning rod 13 refers to the sliding block fixedly connected with the locking pin 601 and the Z-direction positioning rod 13, and a fixed bottom plate is arranged below the corresponding sliding block, and a guide rail matched with the sliding block is arranged above the fixed bottom plate, wherein the positioning member respectively refers to the fixed bottom plate or the positioning seat opposite to the fixed top plate for initially positioning the sliding table 301 on the elastic translation positioning mechanism 3, initially positioning the locking pin 601 on the elastic locking mechanism 6, and initially positioning the Z-direction positioning rod 13. Figure 6 、 Figure 7 as shown in
[0040] Taking the automobile instrument panel beam subassembly as an example, the working principle of the embodiment is as follows.
[0041] The operator rotates the manual handle 8, adjusts the rotating precision positioning tool to the angle required for assembling the beam in the first step,
[0042] The pressing part 12 on the rotating precision positioning tool is opened, the matched reference positioning pin 4 is passed through the positioning hole on the positioning base plate 11 by operating the tongs 1002, after the reference positioning pin 4 supports the left end of the beam in place, the right end of the beam is supported on the positioning surface of the Z-direction positioning rod 13, and the positioning pin position of the beam is pressed by the pressing part 12,
[0043] The reference positioning pin 11 on the right support is put into the tool right positioning hole, the right support is assembled to the beam on the left side, and the reference positioning pin 11 position on the right side of the right support is pressed by the pressing part 12, and the middle Z-direction support is moved to the original position without interfering with the assembly position;
[0044] The rotating assembly table 2 is adjusted to rotate 90°, the steering column is assembled, and the bolt is locked;
[0045] The angle of the rotating assembly table 2 is adjusted again, and the rotating assembly table 2 is positioned at the beam position by relying on the angle locking mechanism 5, and the air conditioner assembly is matched;
[0046] The air conditioner is put into the elastic translation positioning mechanism 3, the workpiece is positioned in advance by the profiling positioning support 303, then the air conditioner is pushed into the beam for positioning and matching, the bolt is fastened, and then the elastic translation positioning mechanism 3 is automatically returned by releasing the resetting assembly;
[0047] The four groups of locking pins 601 on the rotating assembly table 2 are adjusted to be in the extended state, the display support is placed to the locking pin 601 and pressed, the bolt connecting the display support and the beam is locked, and the locking pin 601 is automatically returned by releasing the resetting assembly;
[0048] The left and right clamping mechanisms are opened, and the assembled part can be taken out along the tool X-direction.
[0049] The above merely is preferred embodiment of the present utility model, and is not for limiting the present utility model, for the person skilled in the art, the present utility model can have various changes and changes. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A high-precision assembly tool for an automobile instrument panel cross beam, characterized by: The utility model provides a kind of air conditioner installation platform, including workbench, the rotary assembly table and elastic translation positioning mechanism of installation in the rotary assembly table upper of the workbench and the reference positioning pin positioned on the rotary assembly table according to whole car coordinate system, the reference positioning pin is used to position crossbeam, the rotary assembly table is suspended on the workbench and determines rotation angle by angle locking mechanism, the elastic translation positioning mechanism is used to preinstall air conditioner and can provide rotation space for the rotary assembly table, and the elastic locking mechanism is used to position display support.
2. The high precision assembly tool of claim 1, wherein: The elastic translation positioning mechanism is installed in the middle of the top surface of the workbench, the rotary assembly table avoids the elastic translation positioning mechanism in the middle, and the installation platform is provided on both sides. The rotary assembly table is supported by bearing support at both ends and is manually driven to rotate by a hand-operated turntable and a speed reducer.
3. The high precision assembly tool of claim 2, wherein: The angle locking mechanism includes a positioning disc and a spring positioning pin. The positioning disc is installed on one side of the rotary assembly table, and the spring positioning pin is installed above the bearing support adjacent to the positioning disc. After the rotary assembly table is rotated to a specified angle, the spring positioning pin slides into the positioning hole on the positioning disc.
4. The high precision assembly tooling of claim 2, wherein: Each installation platform is provided with a set of reference positioning pins. Each set of reference positioning pins is provided with two pins. The two pins are manually adjusted in and out of a positioning base plate fixed vertically on the installation platform by a linkage mechanism. The positions of the two reference positioning pins are suitable for positioning two different types of crossbeams, respectively. A pressing component is installed on one side of the positioning base plate for cooperation with the reference positioning pins. The positioning base plate can slide along the Y-axis.
5. The high precision assembly tool of claim 4, wherein: The linkage mechanism includes a lever support. The two reference positioning pins are hingedly connected to both ends of the lever support in parallel. The lever support is driven by a quick clamp.
6. The high precision assembly tooling of claim 2, wherein: The elastic translation positioning mechanism includes a sliding table. A lifting table is installed above the sliding table. The lifting table is manually adjusted in height. A profiled positioning support for supporting air conditioners is installed on the lifting table. The sliding table is reset by a reset assembly.
7. The high precision assembly tool of claim 2, wherein: The elastic locking mechanism includes a locking pin. The locking pin can be slidably extended for positioning and reset by a reset assembly.
8. The high precision assembly tooling of claim 3, wherein: A Z-direction positioning rod is also installed on the installation platform for installing the reference positioning pins. The Z-direction positioning rod can be slidably extended for positioning and reset by a reset assembly.
9. The high precision assembly tooling of claim 6 or 7 or 8, wherein: The reset assembly includes a connecting spring. The connecting spring is used to connect a positioning member and a sliding member. The sliding member is provided with a limiting hole. After the sliding member is slid to a specified position, the limiting hole is inserted by a locking block connected to the end of a button for limiting. After the button is pressed, the locking block is lifted to release the sliding member and reset.