An assembly fixture for upper crossbeam assembly

Abstract

The present invention discloses an upper crossbeam assembly assembly fixture, comprising a support frame, a welding bracket is arranged on the support frame, and a left support assembly and a right support assembly are arranged on the left and right sides of the welding bracket respectively, the left support assembly comprises a first support seat, a second flip positioning device is arranged on the left side of the first support seat, and a first support positioning device, a first flip positioning device, and a first clamping device are obliquely arranged on the left front welding bracket of the second flip positioning device; the right support assembly comprises a second support seat, a third flip positioning device is arranged on the right side of the second support seat, and a second support positioning device, a fourth flip positioning device, and a second clamping device are obliquely arranged on the right front welding bracket of the third flip positioning device; the present invention has novel structure, reasonable design, and is easy to use, improves the position accuracy of assembly, reduces the labor intensity of operators, and improves production efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of assembly fixtures, and in particular to an upper crossbeam assembly assembly fixture. Background Art

[0002] With the vigorous development of the automobile industry, market competition is becoming increasingly fierce. Improving automobile assembly efficiency, reducing maintenance costs, and improving safety during driving are increasingly valued by manufacturers and consumers. Among the sub-assembly parts of the automobile body, the upper crossbeam of the radiator is an important installation part on the body. It is located at the front of the body and is used to install the front bumper, front hood lock, radiator and other parts. The position accuracy of the upper crossbeam tooling of the radiator is directly related to the installation of the front bumper, radiator and other parts. In traditional processes, the assembly of the upper crossbeam assembly is usually done manually, which requires the cooperation of multiple people and there is no special fixture for positioning, resulting in the inability to guarantee the position accuracy. This not only increases the labor intensity of the operators and leads to low production efficiency, but also affects product quality and increases production costs. Summary of the invention

[0003] The purpose of the present invention is to solve the above technical problems and provide an upper crossbeam assembly assembly fixture.

[0004] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the present invention is: an upper crossbeam assembly assembly fixture, including a support frame, characterized in that: a welding bracket is arranged on the support frame, and a left support assembly and a right support assembly are arranged on the left and right sides of the welding bracket respectively, the left support assembly includes a first support seat, a second flip positioning device is arranged on the left side of the first support seat, and a first support positioning device, a first flip positioning device, and a first clamping device are obliquely arranged on the left front welding bracket of the second flip positioning device; the right support assembly includes a second support seat, a third flip positioning device is arranged on the right side of the second support seat, and a second support positioning device, a fourth flip positioning device, and a second clamping device are obliquely arranged on the right front welding bracket of the third flip positioning device;

[0005] The first clamping device comprises a support member, on which a first elbow clamp assembly, a first positioning sleeve, and a first support column are arranged, and the second clamping device has the same structure as the first clamping device and is symmetrically arranged along the center line of the welding bracket; the first flipping positioning device comprises a welding pad, on which a first flipping mechanism is arranged, and a flipping positioning pin seat is arranged at the upper end of the first flipping mechanism, a through hole is arranged at the front center position of the flipping positioning pin seat, and a pin A is arranged in the through hole, and the fourth flipping positioning device has the same structure as the first flipping positioning device; the first support positioning device comprises a positioning clamping assembly and a positioning support assembly, and the second support positioning device has the same structure as the first support positioning device and is symmetrically arranged along the center line of the welding bracket;

[0006] The third flip positioning device includes a flip positioning assembly, and a lateral positioning support assembly is arranged on the front side of the flip positioning assembly; the flip positioning assembly includes a second bottom plate, a pad plate is arranged on the second bottom plate, and a third flip mechanism is arranged on the pad plate, and a center positioning seat is arranged on the upper end of the third flip mechanism, and a through hole is arranged at the center position of the front end of the center positioning seat, and a pin D is arranged in the through hole; the lateral positioning support assembly includes a lateral positioning support plate, and a fourth elbow clamp assembly and a pad block are arranged on the left and right sides of the front side of the lateral positioning support plate, and a second positioning sleeve matching the pin C is arranged on the pad block; the second flip positioning device has the same structure as the flip positioning assembly.

[0007] Preferably: a threaded hole is provided on the first support seat, and screws and nuts are provided under the top plate of the first support seat, and the screws pass through the nuts and are threadedly connected to the top plate; the second support seat has the same structure as the first support seat and is symmetrically arranged along the center line of the welding bracket.

[0008] Preferably: the third flipping mechanism comprises a third fixed seat, and the third fixed seat is connected to a third flipping seat via a rotating shaft; the first flipping mechanism and the third flipping mechanism have the same structure.

[0009] Preferably, a groove is provided at the rear side of the third fixing seat, the cross section of the groove is U-shaped, and the third flip seat is vertically arranged in the groove.

[0010] Preferably: the positioning and clamping assembly includes a base, a positioning seat and a second elbow clamp assembly are arranged on the front and rear upper surfaces of the base, a pin hole is arranged at the center position of the top of the positioning seat, and a pin B is arranged in the pin hole; the positioning support assembly includes a first bottom plate, a third elbow clamp assembly, a second support column, and a positioning column are arranged on the first bottom plate; the third elbow clamp assembly has the same structure as the first elbow clamp assembly.

[0011] Preferably, the second toggle clamp assembly comprises a second toggle clamp pad, the second toggle clamp pad is provided with a second toggle clamp, a clamping piece is connected to the second toggle clamp via screws, a groove is provided at the front end of the clamping piece, and the latch B is located in the groove.

[0012] Preferably, the first toggle clamp assembly comprises a first toggle clamp pad block, the first toggle clamp pad block is provided with the first toggle clamp, and the first toggle clamp pad block is configured to be in a boss shape.

[0013] Compared with the traditional structure, the invention has the following beneficial effects:

[0014] 1. The present invention has novel structure, reasonable design, convenient use, improves the position accuracy of assembly, ensures product quality, reduces the labor intensity of operators, and reduces production costs.

[0015] 2. The steel vertical flipping mechanism can realize the positioning and clamping of the workpiece conveniently and quickly through the flipping function; the lateral positioning support assembly can position and clamp the workpiece while supporting it, which is safe and reliable and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the present invention;

[0017] Figure 2 A top view of the present invention;

[0018] Figure 3 is a structural schematic diagram of a first flip positioning device;

[0019] Figure 4 is a schematic structural diagram of a third flip positioning device;

[0020] Figure 5 It is a schematic diagram of the structure of the positioning and clamping assembly;

[0021] Figure 6 It is a schematic diagram of the structure of the positioning support assembly;

[0022] In the figure: 1. Support frame, 2. Welding bracket, 3. First support seat, 4. Second flip positioning device, 5. First support positioning device, 51. Positioning and clamping assembly, 511. Base, 512. Positioning seat, 513. Second elbow clamp assembly, 5131. Second elbow clamp pad, 5132. Second elbow clamp, 5133. Pressing member, 514. Pin B, 52. Positioning support assembly, 521. First bottom plate, 522. Third elbow clamp assembly, 523. Second support column, 524. Positioning column, 6. First flip positioning device, 61. Welding pad, 62. First flip mechanism, 63. Flip positioning pin seat, 64. Pin A, 7. First clamping device, 71. Support member, 72. First elbow clamp Assembly, 721. First elbow clamp pad, 722. First elbow clamp, 73. First positioning sleeve, 74. First support column, 8. Second support seat, 9. Third flip positioning device, 91. Flip positioning assembly, 911. Second base plate, 912. Pad, 913. Third flip mechanism, 9131. Rotating shaft, 9132. Third fixed seat, 9133. Third flip seat, 914. Center positioning seat, 915. Latch D, 92. Lateral positioning support assembly, 921. Lateral positioning support plate, 922. Pad, 923. Fourth elbow clamp assembly, 924. Latch C, 925. Second positioning sleeve, 10. Second support positioning device, 11. Fourth flip positioning device, 12. Second clamping device. DETAILED DESCRIPTION

[0023] The present invention will be further described below.

[0024] Referring to the accompanying drawings, an upper crossbeam assembly assembly fixture includes a support frame 1, characterized in that: a welding bracket 2 is arranged on the support frame 1, and a left support assembly and a right support assembly are arranged on the left and right sides of the welding bracket 2, respectively; the left support assembly includes a first support seat 3, a second flip positioning device 4 is arranged on the left side of the first support seat 3, and a first support positioning device 5, a first flip positioning device 6, and a first clamping device 7 are obliquely arranged on the left front welding bracket 2 of the second flip positioning device 4; the right support assembly includes a second support seat 8, a third flip positioning device 9 is arranged on the right side of the second support seat 8, and a second support positioning device 10, a fourth flip positioning device 11, and a second clamping device 12 are obliquely arranged on the right front welding bracket 2 of the third flip positioning device 9;

[0025] The first clamping device 7 includes a support member 71, on which a first elbow clamp assembly 72, a first positioning sleeve 73, and a first support column 74 are arranged. The second clamping device 12 has the same structure as the first clamping device 7 and is symmetrically arranged along the center line of the welding bracket 2; the first flipping positioning device 6 includes a welding pad 61, on which a first flipping mechanism 62 is arranged, and a flipping positioning pin seat 63 is arranged at the upper end of the first flipping mechanism 62, and a through hole is arranged at the front center position of the flipping positioning pin seat 63, and a pin A64 is arranged in the through hole, and the fourth flipping positioning device 11 has the same structure as the first flipping positioning device 6; the first supporting positioning device 5 includes a positioning clamping assembly 51 and a positioning supporting assembly 52, and the second supporting positioning device 10 has the same structure as the first supporting positioning device 5 and is symmetrically arranged along the center line of the welding bracket 2;

[0026] The third flip positioning device 9 includes a flip positioning component 91, and a lateral positioning support component 92 is arranged on the front side of the flip positioning component 91; the flip positioning component 91 includes a second bottom plate 911, and a pad 912 is arranged on the second bottom plate 911, and a third flip mechanism 913 is arranged on the pad 912, and a center positioning seat 914 is arranged on the upper end of the third flip mechanism 913, and a through hole is arranged at the center position of the front end of the center positioning seat 914, and a pin D915 is arranged in the through hole; the lateral positioning support component 92 includes a lateral positioning support plate 921, and a fourth elbow clamp component 923 and a pad 922 are arranged on the left and right sides of the front side of the lateral positioning support plate 921, and a second positioning sleeve 925 matched with the pin C924 is arranged on the pad 922; the second flip positioning device 4 has the same structure as the flip positioning component 91.

[0027] In this preferred embodiment, a threaded hole is provided on the first support seat 3, and screws and nuts are provided under the top plate of the first support seat 3, and the screws pass through the nuts and are threadedly connected to the top plate; the second support seat 8 has the same structure as the first support seat 3 and is symmetrically arranged along the center line of the welding bracket 2.

[0028] In this preferred embodiment, the third flipping mechanism 913 includes a third fixed seat 9132 , and the third flipping seat 9133 is connected to the third fixed seat 9132 via a rotating shaft 9131 ; the first flipping mechanism 62 and the third flipping mechanism 913 have the same structure.

[0029] In this preferred embodiment, a groove is provided at the rear side of the third fixing seat 9132 , and the cross section of the groove is U-shaped. The third flip seat 9133 is vertically arranged in the groove.

[0030] In this preferred embodiment, the positioning and clamping assembly 51 includes a base 511, and a positioning seat 512 and a second elbow clamp assembly 513 are arranged on the front and rear surfaces of the upper surface of the base 511. A pin hole is arranged at the center position of the top of the positioning seat 512, and a pin B514 is arranged in the pin hole; the positioning support assembly 52 includes a first bottom plate 521, and a third elbow clamp assembly 522, a second support column 523, and a positioning column 524 are arranged on the first bottom plate 521; the third elbow clamp assembly 522 has the same structure as the first elbow clamp assembly 72.

[0031] In this preferred embodiment, the second toggle clamp assembly 513 includes a second toggle clamp pad 5131, on which a second toggle clamp 5132 is disposed, and a clamping piece 5133 is connected to the second toggle clamp 5132 via screws, wherein a groove is disposed at the front end of the clamping piece 5133, and a latch B514 is located in the groove.

[0032] In the preferred embodiment, the first toggle clamp assembly 72 includes a first toggle clamp pad 721 , on which a first toggle clamp 722 is disposed, and the first toggle clamp pad 721 is configured in a boss shape.

[0033] In specific implementation, the upper crossbeam workpiece is divided from left to right into workpiece A, workpiece B, and workpiece C, with a connector A between workpiece A and workpiece B, and a connector B between workpiece B and workpiece C. The middle part of workpiece B is placed on the first support seat 3 and the second support seat 8, the third flip seat 9133 is flipped forward, and the handle is screwed and fixed, and the pin D is inserted to press the workpiece, and the workpiece can also be pressed by adjusting the screws on the first support seat 3 and the second support seat 8. Workpiece A is positioned and clamped by the first support positioning device 5, the first flip positioning device 6, and the first clamping device 7; the right end of workpiece A is placed on the positioning seat 512, the pin hole on the positioning seat 512 is aligned with the corresponding mounting hole on the workpiece, and the pin B514 is inserted into the pin hole for positioning; the middle part of workpiece A is placed below the flip positioning pin seat 63, the flip seat on the first flip positioning device 6 is flipped forward by the rotating axis, the handle is tightened to fix it, and the pin A64 is inserted to clamp the workpiece; the left end of workpiece A is placed on the first support column 74, the pressure head of the first elbow clamp 722 is pressed downward, and the first support column 74 is used to clamp the workpiece. The positioning and clamping method of workpiece C is the same as that of workpiece A. The connecting piece A between workpiece A and workpiece B is positioned and clamped by the positioning support assembly 52, the mounting hole on the connecting piece A is sleeved on the positioning column 524, and the connecting piece A is clamped by the third elbow clamp assembly 522 and the second support column 523. The connector B between workpiece B and workpiece C is positioned and pressed by the lateral positioning support assembly 92 and the positioning support assembly on the second support positioning device 10. The lateral mounting hole of the connector B corresponds to the positioning hole on the second positioning sleeve 925. The pin C924 is inserted for positioning. The connector B is pressed by the pressure head on the fourth toggle clamp assembly 923. The vertical mounting hole on the connector B is sleeved on the positioning column of the second support positioning device 10. The toggle clamp assembly cooperates with the support column to press the connector B. Through the above operation, the upper crossbeam can be assembled quickly and accurately, which improves the assembly position accuracy and ensures product quality.

[0034] The above embodiments of the present invention are merely examples to clearly illustrate the present invention, but are not intended to limit the protection scope of the present invention. All equivalent technical solutions also belong to the scope of the present invention. The patent protection scope of the present invention should be defined by the claims.

Claims

1. An upper crossbeam assembly fixture, comprising a support frame (1), characterized in that: The support frame (1) is provided with a welding support (2), and a left support assembly and a right support assembly are respectively provided on the left and right sides of the welding support (2), the left support assembly comprising a first support seat (3), a second flip positioning device (4) is provided on the left side of the first support seat (3), and a first support positioning device (5), a first flip positioning device (6), and a first clamping device (7) are obliquely provided on the left front welding support (2) of the second flip positioning device (4); the right support assembly comprises a second support seat (8), a third flip positioning device (9) is provided on the right side of the second support seat (8), and a second support positioning device (10), a fourth flip positioning device (11), and a second clamping device (12) are obliquely provided on the right front welding support (2) of the third flip positioning device (9); The first clamping device (7) comprises a support member (71), on which a first toggle clamp assembly (72), a first positioning sleeve (73), and a first support column (74) are arranged; the second clamping device (12) has the same structure as the first clamping device (7) and is symmetrically arranged along the center line of the welding bracket (2); the first flipping positioning device (6) comprises a welding pad (61), on which a first flipping mechanism (62) is arranged; a flipping positioning pin seat (63) is arranged at the upper end of the first flipping mechanism (62); a through hole is arranged at the center position of the front end of the flipping positioning pin seat (63), and a pin A (64) is arranged in the through hole; the fourth flipping positioning device (11) has the same structure as the first flipping positioning device (6); the first supporting positioning device (5) comprises The invention comprises a positioning and clamping assembly (51) and a positioning and supporting assembly (52), wherein the second supporting and positioning device (10) has the same structure as the first supporting and positioning device (5) and is symmetrically arranged along the center line of the welding bracket (2); the positioning and clamping assembly (51) comprises a base (511), and a positioning seat (512) and a second toggle clamp assembly (513) are arranged on the front and rear of the upper surface of the base (511); a latch hole is arranged at the center position of the top end of the positioning seat (512), and a latch pin B (514) is arranged in the latch hole; the positioning and supporting assembly (52) comprises a first bottom plate (521), and a third toggle clamp assembly (522), a second supporting column (523), and a positioning column (524) are arranged on the first bottom plate (521); the third toggle clamp assembly (522) has the same structure as the first toggle clamp assembly (72); The third flip positioning device (9) comprises a flip positioning component (91), and a lateral positioning support component (92) is arranged on the front side of the flip positioning component (91); the flip positioning component (91) comprises a second bottom plate (911), a pad (912) is arranged on the second bottom plate (911), a third flip mechanism (913) is arranged on the pad (912), a center positioning seat (914) is arranged on the upper end of the third flip mechanism (913), a through hole is arranged at the center position of the front end of the center positioning seat (914), and a latch D (915) is arranged in the through hole; the lateral positioning support component (92) comprises a side The lateral positioning support plate (921) is provided with a fourth toggle clamp assembly (923) and a cushion block (922) on the left and right sides of the front of the lateral positioning support plate (921); the cushion block (922) is provided with a second positioning sleeve (925) matched with the latch C (924); the second flip positioning device (4) has the same structure as the flip positioning assembly (91); the third flip mechanism (913) includes a third fixed seat (9132); the third fixed seat (9132) is connected to the third flip seat (9133) via a rotating shaft (9131); the first flip mechanism (62) has the same structure as the third flip mechanism (913).

2. The upper crossbeam assembly assembly fixture according to claim 1, characterized in that: The first support seat (3) is provided with a threaded hole, and screws and nuts are provided below the top plate of the first support seat (3), and the screws pass through the nuts and are threadedly connected to the top plate; the second support seat (8) has the same structure as the first support seat (3) and is symmetrically arranged along the center line of the welding bracket (2).

3. The upper crossbeam assembly assembly fixture according to claim 1, characterized in that: A groove is provided on the rear side of the third fixed seat (9132), the cross section of the groove is U-shaped, and the third flip seat (9133) is vertically arranged in the groove.

4. The upper crossbeam assembly assembly fixture according to claim 1, characterized in that: The second toggle clamp assembly (513) comprises a second toggle clamp pad (5131), a second toggle clamp (5132) being arranged on the second toggle clamp pad (5131), a pressing piece (5133) being connected to the second toggle clamp (5132) via screws, a groove being arranged at the front end of the pressing piece (5133), and a latch pin B (514) being located in the groove.

5. The upper crossbeam assembly assembly fixture according to claim 1, characterized in that: The first toggle clamp assembly (72) comprises a first toggle clamp pad (721), on which a first toggle clamp (722) is arranged, and the first toggle clamp pad (721) is arranged in a boss shape.

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