Assembly tool for front anti-collision beam of automobile

Abstract

The utility model relates to an assembly tool for a front anti-collision beam of an automobile. The device comprises a base, a translation seat, two sets of energy absorption box positioning assemblies and an anti-collision beam positioning assembly, the energy absorption box positioning assembly is composed of a first base, a first bearing table, a mounting frame, a servo electric cylinder, a first air cylinder and a second air cylinder, a first clamping block is fixed to a push rod of the servo electric cylinder, a second clamping block is fixed to a push rod of the first air cylinder, and a third clamping block is fixed to a push rod of the second air cylinder; the anti-collision beam positioning assembly is composed of two second bases, two second bearing tables, a third air cylinder and a traction rod, and the traction rod is driven by the third air cylinder to move. The four side faces of the energy absorption box are positioned through the first bearing table, the first clamping block, the second clamping block and the third clamping block, so that the functions of positioning and correcting the front anti-collision beam assembly are achieved, and it is ensured that the two connecting pieces can abut against the front end faces of the two longitudinal beams in an opposite mode.

Description

Technical Field

[0001] This utility model relates to an automotive assembly tooling, and more particularly to an automotive front bumper beam assembly tooling. Background Technology

[0002] The automotive engine compartment frame is the core structure that bears the powertrain, resists collisions, and transmits loads. It mainly consists of longitudinal beam assemblies, wheel arch assemblies, front fender assemblies, crossbeam assemblies, and front anti-collision crossbeam assemblies. The front anti-collision crossbeam assembly consists of an anti-collision beam, two energy-absorbing boxes, and two connecting plates. The connecting plates are used to connect and fix the front anti-collision crossbeam assembly to the front end of the two longitudinal beams. The connection method is bolt connection.

[0003] When installing the engine compartment frame of an automobile, whether manually or with a robot, various tooling fixtures are needed to pre-position the components to improve the efficiency of screwing. The installation of the front bumper crossbeam assembly and longitudinal beams also requires corresponding assembly fixtures. Furthermore, since the front bumper crossbeam assembly itself is composed of multiple components, stress or other external forces can sometimes cause deformation in the final product. This can lead to misalignment between the mounting holes of the two connecting pieces and the two longitudinal beams, requiring manual correction before assembly, which significantly reduces production efficiency. Summary of the Invention

[0004] This utility model provides an assembly fixture for a front bumper beam of an automobile; it solves the problem in the prior art that the mounting holes of the front bumper beam of an automobile cannot be aligned with those of the longitudinal beam during the assembly process.

[0005] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a car front anti-collision beam assembly tooling, including: a base, a translation base, two sets of energy-absorbing box positioning components and an anti-collision beam positioning component, wherein the translation base is horizontally slidably arranged relative to the base.

[0006] The energy-absorbing box positioning assembly consists of a first base, a first support platform, a mounting frame, a servo electric cylinder, a first cylinder, and a second cylinder. The first base is fixed to the translation seat, the first support platform is horizontally fixed to the first base, the mounting frame is fixed to the first base, the servo electric cylinder is fixed to the first support platform, and its extension and retraction directions are horizontally distributed left and right. A first clamping block is fixed to the push rod of the servo electric cylinder. The first cylinder is fixed to the first base and directly opposite the servo electric cylinder. A second clamping block is fixed to the push rod of the first cylinder. The second cylinder is vertically fixed downwards to the mounting frame, and a third clamping block is fixed to the push rod of the second cylinder. The two sets of the energy-absorbing box positioning assemblies are arranged in a mirror image of each other.

[0007] The anti-collision beam positioning assembly consists of two second bases, two second support platforms, a third cylinder, and a traction rod. The second bases are fixed on the translation seat, the second support platforms are fixed on the second bases, the third cylinder is horizontally fixed on the translation seat, and the traction rod is driven to move by the third cylinder.

[0008] This utility model is placed entirely on the front side of the longitudinal beam. Two sets of energy-absorbing box positioning components and anti-collision beam positioning components are used to position and correct the front anti-collision beam assembly. The specific positioning principle is as follows: When in the positioning state, the servo electric cylinder, the first cylinder, and the second cylinder are all in the retracted state. Then, the front anti-collision beam assembly is placed on this utility model, the two energy-absorbing boxes are placed on the two first support platforms, and the anti-collision beam is placed on the two second support platforms. The third cylinder is activated, driving the traction rod to move. The traction rod will push the anti-collision beam to move away from the first support platform until the two pieces on the front anti-collision beam assembly are aligned. The connecting piece abuts against the sides of the two first support platforms. Then, the servo cylinder extends under control, pushing the first clamping block closer to the energy-absorbing box. The extension length of the servo cylinder is preset by the program, so that the distance between the two first clamping blocks is the marked outer distance between the two energy-absorbing boxes. Then, the first cylinder and the second cylinder are pushed out under control. At this time, all four sides of the energy-absorbing box are completely positioned. Even if there is a slight deformation of the two energy-absorbing boxes, it will be corrected back to the standard state under the positioning effect of this utility model. Then, the translation seat moves towards the front end of the longitudinal beam until the two connecting pieces abut against the front end faces of the two longitudinal beams.

[0009] Furthermore, the mounting bracket consists of two side supports and a top plate. A positioning plate is fixed to the bottom of the top plate, and the positioning plate has several positioning screw holes at different positions. A cylinder seat is fixed to the second cylinder, and the cylinder seat can be fixed to the positioning screw holes with bolts. Different car models have completely different specifications for their front bumper beam assemblies. When the overall installation height of the front bumper beam assembly changes, it can be adjusted by replacing the first and second bases with different heights. When the distance between the two energy-absorbing boxes changes significantly, the position of the second cylinder also needs to be adjusted. Therefore, a positioning plate and positioning screw holes at different positions are provided.

[0010] Therefore, this utility model has the following features compared with the prior art: 1. The four sides of the energy-absorbing box are positioned by the first support platform, the first clamping block, the second clamping block and the third clamping block, thereby playing a positioning and correction function for the front anti-collision beam assembly, ensuring that the front ends of the two connecting pieces and the two longitudinal beams can be directly aligned and abutted; 2. This utility model can also be adapted to different models of front anti-collision beam assemblies by replacing the bases of different heights and adjusting the installation position of the second cylinder. Attached Figure Description

[0011] Appendix Figure 1 This is a structural schematic diagram of a front bumper beam assembly;

[0012] Appendix Figure 2 This is a schematic diagram of the structure of this utility model;

[0013] Appendix Figure 3 This is a structural schematic diagram of the first support platform;

[0014] Appendix Figure 4 This is a top view of a front bumper beam assembly placed on the first and second support platforms. Detailed Implementation

[0015] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0016] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0017] Example 1: See Figure 2 and Figure 4 A car front anti-collision beam assembly tooling includes: a base 10, a translation seat 20, two sets of energy-absorbing box positioning components 100 and anti-collision beam positioning components 200, wherein the translation seat is horizontally slidable back and forth relative to the base;

[0018] The energy-absorbing box positioning assembly consists of a first base 110, a first support platform 120, a mounting bracket 130, a servo electric cylinder 140, a first cylinder 150, and a second cylinder 160. The first base is fixed to a translation seat, the first support platform is horizontally fixed to the first base, the mounting bracket is fixed to the first base, the servo electric cylinder is fixed to the first support platform, and its extension and retraction directions are horizontally distributed left and right. A first clamping block 141 is fixed to the push rod of the servo electric cylinder. The first cylinder is fixed to the first base and is directly opposite to the servo electric cylinder. A second clamping block 151 is fixed to the push rod of the first cylinder. The second cylinder is vertically fixed to the mounting bracket. A third clamping block 161 is fixed to the push rod of the second cylinder. The two sets of energy-absorbing box positioning assemblies are arranged as mirror images of each other.

[0019] The anti-collision beam positioning assembly consists of two second bases 210, two second support platforms 220, a third cylinder 230, and a traction rod 240. The second bases are fixed on the translation seats, the second support platforms are fixed on the second bases, the third cylinders are horizontally fixed on the translation seats, and the traction rods are driven to move by the third cylinders.

[0020] See Figure 1 This embodiment is used to install and position a front anti-collision beam assembly, including an anti-collision beam 1, two energy-absorbing boxes 2 and two connecting plates 3, which need to be connected to two front longitudinal beams 4.

[0021] In this embodiment, the entire assembly is placed in front of the longitudinal beam. Two sets of energy-absorbing box positioning components and anti-collision beam positioning components are used to position and correct the front anti-collision beam assembly. The specific positioning principle is as follows: When in the positioning state, the servo electric cylinder, the first cylinder, and the second cylinder are all in the retracted state. Then, the front anti-collision beam assembly is placed on this embodiment, the two energy-absorbing boxes are placed on the two first support platforms, and the anti-collision beam is placed on the two second support platforms. The third cylinder is activated, driving the traction rod to move. The traction rod will push the anti-collision beam to move away from the first support platform until the two pieces on the front anti-collision beam assembly are aligned. The connecting piece abuts against the sides of the two first support platforms. Then, the servo cylinder extends under control, pushing the first clamping block closer to the energy-absorbing box. The extension length of the servo cylinder is preset by the program, so that the distance between the two first clamping blocks is the marked outer distance between the two energy-absorbing boxes. Then, the first cylinder and the second cylinder are pushed out under control. At this time, all four sides of the energy-absorbing box are completely positioned. Even if there is a slight deformation of the two energy-absorbing boxes, it will be corrected back to the standard state under the positioning effect of this embodiment. Then, the translation seat moves towards the front end of the longitudinal beam until the two connecting pieces abut against the front end faces of the two longitudinal beams.

[0022] See Figure 2 The mounting bracket consists of two side supports 131 and a top plate 132. A positioning plate 133 is fixed to the bottom of the top plate. The positioning plate has several positioning screw holes at different positions. A cylinder seat 162 is fixed to the second cylinder, and the cylinder seat can be fixed to the positioning screw holes with bolts. The specifications of the front bumper beam assembly are completely different for different car models. When the overall installation height of the front bumper beam assembly changes, it can be adjusted by replacing the first and second bases of different heights. When the distance between the two energy-absorbing boxes changes significantly, the position of the second cylinder also needs to be adjusted. Therefore, a positioning plate and positioning screw holes at different positions are provided.

[0023] See Figure 2 and Figure 4 The translation seat is provided with two first slide rails 21 that are horizontally distributed front and back. A first sliding seat 22 is slidably mounted on the first slide rail. The traction rod is vertically fixed on the first sliding seat. The push rod of the third cylinder is fixedly connected to the first sliding seat.

[0024] For details, see Figure 3 The upper surface of the first support platform is provided with several grooves 121 distributed from left to right. The grooves can reduce the contact area between the first support platform and the energy-absorbing box, thereby reducing wear.

[0025] For details, see Figure 2 The base is provided with at least two second slide rails 11 that are horizontally distributed front and back. At least two sliders 12 that are fixedly connected to the bottom of the translation seat are slidably mounted on the second slide rails. A driver is provided between the base and the translation seat. The driver can be any existing linear reciprocating servo drive device such as a synchronous belt driver, servo electric cylinder, or lead screw driver.

[0026] This invention can be modified in many ways, as will be apparent to those skilled in the art, and such modifications are not considered to depart from the scope of this invention. All such modifications that are obvious to those skilled in the art are included within the scope of these claims.

Claims

1. A tooling for assembling a front bumper beam for automobiles, characterized in that, include: The base, the translation seat, two sets of energy-absorbing box positioning components and the anti-collision beam positioning components are provided, and the translation seat is horizontally slidable back and forth relative to the base. The energy-absorbing box positioning assembly consists of a first base, a first support platform, a mounting frame, a servo electric cylinder, a first cylinder, and a second cylinder. The first base is fixed to the translation seat, the first support platform is horizontally fixed to the first base, the mounting frame is fixed to the first base, the servo electric cylinder is fixed to the first support platform, and its extension and retraction directions are horizontally distributed left and right. A first clamping block is fixed to the push rod of the servo electric cylinder. The first cylinder is fixed to the first base and directly opposite the servo electric cylinder. A second clamping block is fixed to the push rod of the first cylinder. The second cylinder is vertically fixed downwards to the mounting frame, and a third clamping block is fixed to the push rod of the second cylinder. The two sets of the energy-absorbing box positioning assemblies are arranged in a mirror image of each other. The anti-collision beam positioning assembly consists of two second bases, two second support platforms, a third cylinder, and a traction rod. The second bases are fixed on the translation seat, the second support platforms are fixed on the second bases, the third cylinder is horizontally fixed on the translation seat, and the traction rod is driven to move by the third cylinder.

2. The automotive front anti-collision beam assembly fixture according to claim 1, characterized in that: The mounting bracket consists of two side supports and a top plate. A positioning plate is fixed to the bottom of the top plate. The positioning plate has several positioning screw holes at different positions. A cylinder seat is fixed to the second cylinder. The cylinder seat can be fixed to the positioning screw holes with bolts.

3. The automotive front bumper beam assembly fixture according to claim 1, characterized in that: The translation seat is provided with two first slide rails that are horizontally distributed front and back. A first sliding seat is slidably mounted on the first slide rail. The traction rod is vertically fixed on the first sliding seat. The push rod of the third cylinder is fixedly connected to the first sliding seat.

4. The automotive front bumper beam assembly fixture according to claim 1, characterized in that: The upper surface of the first support platform is provided with several grooves distributed from left to right.

5. The automotive front bumper beam assembly fixture according to claim 1, characterized in that: The base is provided with at least two second slide rails that are horizontally distributed front and back. At least two sliders that are fixedly connected to the bottom of the translation seat are slidably mounted on the second slide rails. A driver is provided between the base and the translation seat.

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