Flexible compartment plate arc welding positioning tool

Abstract

The invention provides a flexible compartment plate arc welding positioning tool, and relates to the technical field of automobile production. The two lower shells are connected to the outer portions of the butt-joint supporting pieces, the lower shells are connected with the two butt-joint supporting pieces, and the double-end hydraulic cylinders are installed on the outer portions of the butt-joint supporting pieces. An upper shell is mounted at the top of the lower shell, and a clamp assembly seat is mounted at the top of the upper shell; and a positioning clamp is mounted at the top of the clamp assembly seat. According to different sizes of carriage plates of various vehicle types, the clamp assembling seat is movably adjusted through driving of the servo motor, the position of the positioning clamp is changed, and the welding positioning requirements of different carriage plate sizes of various vehicle types are better met. The problems that according to a traditional welding method of current truck carriage plate manufacturing enterprises, corresponding clamps are used for different vehicle types, the number of the clamps is large, time is consumed for replacing the clamps in the production process, part of enterprises share the clamps, vehicle type replacement cannot be accurately and fully automatically conducted, manual adjustment is needed, and the welding quality is uneven are solved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile production, and in particular to a flexible compartment plate arc welding positioning tool. Background Art

[0002] As a key component of a truck, the truck bed has a variety of materials, structures and functions, which can fully meet the transportation needs of various types of goods. In the production process of truck bed plates, welding is an indispensable link. With the continuous development and progress of the manufacturing industry, the welding method of truck bed plates has gradually changed from traditional manual welding to robot welding. In order to effectively ensure the welding quality of truck bed plates, positioning tooling is required to firmly fix the truck bed plates.

[0003] At present, the welding method adopted by truck body manufacturers is relatively traditional. Different models use their own corresponding welding fixtures. As the diversification of models accelerates, the number of fixtures required has increased sharply; it takes a long time to replace welding fixtures during the production process, resulting in long interruptions in the production process and low production efficiency; the large number of fixtures adds a lot of costs to storage and management; although some companies use shared fixtures, they are unable to achieve accurate, fully automatic and rapid replacement when dealing with rapid changes in vehicle models, and require manual adjustment with reference to a ruler, resulting in uneven welding quality in different batches. Summary of the invention

[0004] The present invention relates to a flexible box plate arc welding positioning tool, which solves the problem that the current truck box plate manufacturing companies have traditional welding methods. Different vehicle models use corresponding fixtures. With the diversification of vehicle models, the number of fixtures increases sharply, and it is time-consuming to replace fixtures during production, resulting in production interruptions and low efficiency. There are many fixtures and the storage and management costs are high. Although some companies use shared fixtures, they cannot be accurately and automatically replaced when the vehicle model changes, and manual adjustment is required, resulting in uneven welding quality.

[0005] In a first aspect of the present disclosure, a flexible compartment plate arc welding positioning tool is provided, which specifically includes: a docking support, a lower shell, an upper shell, a fixture assembly seat, a limit pin, a servo motor, a movable switching seat, a double-headed cylinder and a double-headed hydraulic cylinder; the docking support is externally connected to two lower shells, the lower shell is connected to the two docking supports, and a double-headed hydraulic cylinder is installed on the outside of the docking support; an upper shell is installed on the top of the lower shell, and a fixture assembly seat is installed on the top of the upper shell; a positioning fixture is installed on the top of the fixture assembly seat, and limit pins are connected internally at both ends of the fixture assembly seat, and the limit pins are connected to the upper shell; a servo motor is installed on the outside of the lower shell, and a movable switching seat is installed on the top of the lower shell, and the movable switching seat is connected to the servo motor; a double-headed cylinder is installed on the top of the movable switching seat, the double-headed cylinder is located in the bottom of the upper shell, and the double-headed cylinder is connected to the two limit pins.

[0006] Furthermore, the inner side of the clamp assembly seat is in sliding contact with the outer side of the upper shell body, two slide grooves are provided on the top of the upper shell body, and a T-shaped slider is provided on the inner side of the clamp assembly seat. The T-shaped slider is slidably connected to the slide groove provided in the upper shell body. Through the sliding cooperation between the T-shaped slider and the slide groove, the clamp assembly seat is guided to move. According to the different sizes of the body panels of various vehicle models, the clamp assembly seat is moved and adjusted to change the position of the positioning fixture.

[0007] Furthermore, guide holes are provided at the opposite ends of the clamp assembly seat, and a limit pin is slidably connected to the guide hole provided in the clamp assembly seat. A return spring is sleeved on the outside of the limit pin, one end of the return spring is in contact with the limit pin, and the other end of the return spring is in contact with the clamp assembly seat, so that the return spring has an elastic return effect on the limit pin.

[0008] Furthermore, movable holes are provided on both sides of the upper shell body, and limit grooves are arranged on the upper and lower sides of the movable hole, the guide hole is connected with the movable hole and the limit groove, the end of the limit pin is inserted into the movable hole, and the upper and lower ends of the limit pin are located in the limit groove. After the upper shell body is adjusted to a suitable position, the guide hole is connected with the movable hole and the limit groove, and the limit pin is inserted into the movable hole and the limit groove under the thrust of the reset spring, thereby fixing the fixture assembly seat.

[0009] Furthermore, two guide rods are provided inside the lower shell, and two through holes are provided inside the movable switching seat. The guide rods slide through the through holes provided in the movable switching seat, and the movable switching seat is guided to move through the sliding cooperation between the guide rods and the through holes.

[0010] Furthermore, a screw is installed on the driving shaft of the servo motor, the screw is rotatably connected to the lower shell, a screw hole is provided inside the movable switching seat, and the screw is threadedly connected to the screw hole provided in the movable switching seat.

[0011] Furthermore, a transmission groove is provided inside the limit pin, and the height of the piston rod of the double-headed cylinder is flush with the height of the transmission groove provided on the limit pin. When the piston rod of the double-headed cylinder extends outward, the end of the piston rod of the double-headed cylinder is inserted into the transmission groove, and when the piston rod of the double-headed cylinder contracts inward, the end of the piston rod of the double-headed cylinder is separated from the transmission groove. When the fixture assembly seat needs to be adjusted, the servo motor drives the movable switching seat to move so that the movable switching seat is at the bottom of the fixture assembly seat that needs to be moved, and the piston rod of the double-headed cylinder extends outward so that the end of the piston rod of the double-headed cylinder is inserted into the transmission groove. The limit pin is affected by the thrust of the double-headed cylinder and moves in the opposite direction. The reset spring is compressed by force, so that the limit pin is separated from the movable hole and the limit groove, and the fixture assembly seat is released from the locked state.

[0012] Furthermore, the docking support is provided with cross columns at both ends, and the end of the lower shell is provided with a through hole. The cross column passes through the through hole provided on the lower shell. The cylinder body of the double-headed hydraulic cylinder is connected to the docking support, and the piston rod of the double-headed hydraulic cylinder is connected to the lower shell. Through the sliding cooperation between the cross column and the through hole, the lower shell is guided to move. According to the different widths of the compartment plate, the lower shell can be driven to move by the double-headed hydraulic cylinder to change the spacing distance between the two sets of positioning fixtures.

[0013] The present invention provides a flexible compartment plate arc welding positioning tool, which has the following beneficial effects:

[0014] When the present invention is in use, the movement and guidance of the clamp assembly seat is realized through the sliding cooperation between the T-shaped slider and the slide groove. According to the difference in the size of the compartment plates of different vehicle models, the clamp assembly seat can be moved and adjusted, thereby changing the position of the positioning clamp, and better meeting the welding positioning requirements of different compartment plate sizes of various vehicle models; and through the elastic reset effect of the reset spring, after the upper shell body is adjusted to a suitable position, the guide hole is in a connected state with the movable hole and the limit groove, and the limit pin is inserted into the movable hole and the limit groove under the influence of the thrust of the reset spring, which has a fixing effect on the clamp assembly seat and ensures the stability of the positioning clamp when it is in a working state.

[0015] In addition, the movement of the movable switching seat is precisely guided by the sliding cooperation between the guide rod and the through hole; when the fixture assembly seat needs to be adjusted, the servo motor drives the movable switching seat to move to the required position, that is, the bottom of the fixture assembly seat; the piston rod of the double-headed cylinder extends outward and inserts into the transmission groove, and under the influence of the thrust of the double-headed cylinder, the limit pin moves in the opposite direction, and the reset spring is compressed, so that the limit pin is separated from the movable hole and the limit groove, thereby releasing the locking state of the fixture assembly seat, and the servo motor drives the double-headed cylinder to move, the piston rod moves in the movable hole, and drives the fixture assembly seat to move synchronously through the double-headed cylinder, so as to realize automatic adjustment of the positioning fixture and effectively ensure the adjustment accuracy.

[0016] In addition, the movement and guidance of the lower shell body is achieved through the sliding cooperation between the cross column and the through hole. According to the different widths of the compartment plates, the lower shell body can be driven to move by a double-headed hydraulic cylinder, thereby adjusting the spacing between the two sets of positioning fixtures to better meet the welding positioning requirements of compartment plates of different widths. It has strong versatility.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0020] In the attached picture:

[0021] Figure 1 The overall axial side structure schematic diagram of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0022] Figure 2 A schematic diagram of the axial structure of the butt joint support member of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0023] Figure 3 A schematic diagram of the connection structure between the lower shell and the upper shell of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0024] Figure 4 A schematic diagram of the split structure of the lower shell and the upper shell of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0025] Figure 5 A schematic diagram of the axial structure of the upper shell of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0026] Figure 6 A schematic diagram of the connection structure between the fixture assembly seat and the limit pin of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0027] Figure 7 A schematic diagram of the split structure of the fixture assembly seat and the limit pin of the flexible compartment plate arc welding positioning tooling of the present application is shown;

[0028] Figure 8 A schematic diagram of the connection structure between the movable switching seat and the double-head cylinder of the flexible compartment plate arc welding positioning tooling of the present application is shown.

[0029] Reference numerals list

[0030] 1. Docking support; 11. Horizontal column;

[0031] 2. Lower shell; 21. Guide rod; 22. Perforation;

[0032] 3. Upper shell; 31. Slide groove; 32. Activity hole; 321. Limiting groove;

[0033] 4. Clamp assembly seat; 41. T-shaped slider; 42. Guide hole;

[0034] 5. Limit latch; 51. Transmission slot;

[0035] 6. Return spring;

[0036] 7. Servo motor; 71. Screw;

[0037] 8. movable switching seat; 81. through hole; 82. screw hole;

[0038] 9. Double-head cylinder;

[0039] 10. Double-head hydraulic cylinder. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example 1: Please refer to Figures 1 to 8 :

[0042] The present invention proposes a flexible compartment plate arc welding positioning tool, comprising: a docking support 1, a lower shell 2, an upper shell 3, a fixture assembly seat 4, a limit pin 5, a servo motor 7, a movable switching seat 8, a double-headed cylinder 9 and a double-headed hydraulic cylinder 10; the docking support 1 is externally connected to two lower shells 2, the lower shell 2 is connected to the two docking supports 1, and a double-headed hydraulic cylinder 10 is installed on the outside of the docking support 1; the upper shell 3 is installed on the top of the lower shell 2, and the fixture assembly seat 4 is installed on the top of the upper shell 3; a positioning fixture is installed on the top of the fixture assembly seat 4, and the limit pins 5 are connected to the two ends of the fixture assembly seat 4, and the limit pins 5 are connected to the upper shell 3; the servo motor 7 is installed on the outside of the lower shell 2, and the movable switching seat is installed on the top of the lower shell 2 8. The movable switching seat 8 is connected to the servo motor 7; a double-headed cylinder 9 is installed on the top of the movable switching seat 8, and the double-headed cylinder 9 is located in the bottom of the upper shell body 3, and the double-headed cylinder 9 is connected to two limit pins 5; the inner side of the clamp assembly seat 4 is in sliding contact with the outer side of the upper shell body 3, and two slide grooves 31 are arranged on the top of the upper shell body 3. A T-shaped slider 41 is arranged on the inner side of the clamp assembly seat 4, and the T-shaped slider 41 is slidably connected to the slide groove 31 provided on the upper shell body 3; through the sliding cooperation between the T-shaped slider 41 and the slide groove 31, the clamp assembly seat 4 is guided to move, and the clamp assembly seat 4 is moved and adjusted according to the different sizes of the compartment plates of various models, and the position of the positioning fixture is changed to better meet the welding positioning requirements of different compartment plate sizes of various models.

[0043] In the disclosed embodiment, the fixture assembly seat 4 is provided with guide holes 42 at opposite ends, the limit pin 5 is slidably connected in the guide hole 42 provided in the fixture assembly seat 4, and a return spring 6 is sleeved on the outside of the limit pin 5, one end of the return spring 6 is in contact with the limit pin 5, and the other end of the return spring 6 is in contact with the fixture assembly seat 4, and movable holes 32 are provided on both sides of the upper shell 3, and limit grooves 321 are arranged on the upper and lower sides of the movable hole 32, and the guide hole 42 is connected with the movable hole 32 and the limit groove 321, and the end of the limit pin 5 is inserted into the movable hole 32, and the upper and lower ends of the limit pin 5 are located in the limit groove 321;

[0044] By adopting the above technical solution, the limit pin 5 is elastically reset by the reset spring 6. After the upper shell 3 is adjusted to a suitable position, the guide hole 42 is connected with the movable hole 32 and the limit groove 321. The limit pin 5 is inserted into the movable hole 32 and the limit groove 321 under the thrust of the reset spring 6, which fixes the fixture assembly seat 4 and ensures the stability of the positioning fixture when it is in working state.

[0045] In the disclosed embodiment, two guide rods 21 are provided inside the lower shell 2, and two through holes 81 are provided inside the movable switching seat 8. The guide rods 21 slide through the through holes 81 provided on the movable switching seat 8. A screw 71 is installed on the driving shaft of the servo motor 7. The screw 71 is rotatably connected with the lower shell 2. A screw hole 82 is provided inside the movable switching seat 8. The screw 71 is threadedly connected to the screw hole 82 provided on the movable switching seat 8. A transmission groove 51 is provided inside the limit pin 5. The height of the piston rod of the double-headed cylinder 9 is flush with the height of the transmission groove 51 provided on the limit pin 5. When the piston rod of the double-headed cylinder 9 extends outward, the end of the piston rod of the double-headed cylinder 9 is inserted into the transmission groove 51. When the piston rod of the double-headed cylinder 9 contracts inward, the end of the piston rod of the double-headed cylinder 9 is separated from the transmission groove 51.

[0046] By adopting the above technical scheme, the sliding cooperation between the guide rod 21 and the through hole 81 is used to guide the movement of the movable switching seat 8. When the fixture assembly seat 4 needs to be adjusted, the servo motor 7 drives the movable switching seat 8 to move so that the movable switching seat 8 is at the bottom of the fixture assembly seat 4 that needs to be moved, and the piston rod of the double-headed cylinder 9 extends outward so that the piston rod end of the double-headed cylinder 9 is inserted into the transmission groove 51. The limit pin 5 is moved in the opposite direction by the thrust of the double-headed cylinder 9, and the reset spring 6 is compressed so that the limit pin 5 is separated from the movable hole 32 and the limit groove 321, and the fixture assembly seat 4 is unlocked. The servo motor 7 drives the double-headed cylinder 9 to move, and the piston rod of the double-headed cylinder 9 moves in the movable hole 32. The fixture assembly seat 4 is driven to move synchronously through the double-headed cylinder 9, thereby realizing the automatic adjustment effect of the positioning fixture and effectively ensuring the adjustment accuracy.

[0047] Embodiment 2, on the basis of embodiment 1, the docking support 1 is provided with cross columns 11 at both ends, the end of the lower shell 2 is provided with a through hole 22, the cross column 11 penetrates through the through hole 22 provided in the lower shell 2, the cylinder body of the double-headed hydraulic cylinder 10 is connected to the docking support 1, and the piston rod of the double-headed hydraulic cylinder 10 is connected to the lower shell 2;

[0048] By adopting the above technical solution, the sliding cooperation between the cross column 11 and the through hole 22 can be used to guide the movement of the lower shell body 2. According to the different widths of the compartment plates, the lower shell body 2 can be driven to move by the double-headed hydraulic cylinder 10, and the spacing distance between the two sets of positioning fixtures can be changed. It is better suitable for the welding positioning requirements of compartment plates of different widths and has extremely strong universal performance.

[0049] The working principle of this embodiment is as follows: according to the different sizes of the compartment plates of various models, the clamp assembly seat 4 is moved and adjusted; the servo motor 7 drives the movable switching seat 8 to move, so that the movable switching seat 8 is at the bottom of the clamp assembly seat 4 to be moved, and the piston rod of the double-headed cylinder 9 extends outward, so that the piston rod end of the double-headed cylinder 9 is inserted into the transmission groove 51, and the limit pin 5 is affected by the thrust of the double-headed cylinder 9 and moves in the reverse direction, and the return spring 6 is compressed by the force, so that the limit pin 5 is separated from the movable hole 32 and the limit groove 321, and the clamp assembly seat 4 is unlocked; the servo motor 7 drives the double-headed cylinder 9 to move, and the piston rod of the double-headed cylinder 9 moves in the movable hole 32, and the double-headed cylinder 9 drives the limit pin 5 to move in the movable hole 32. The clamp assembly seat 4 moves synchronously to achieve the automatic adjustment effect of the positioning clamp; after the upper shell body 3 is adjusted to the appropriate position, the guide hole 42 is connected with the movable hole 32 and the limit groove 321, and the piston rod of the double-headed cylinder 9 contracts inwardly, so that the piston rod end of the double-headed cylinder 9 is separated from the transmission groove 51, and the limit pin 5 is inserted into the movable hole 32 and the limit groove 321 under the thrust of the return spring 6, which has the effect of fixing the clamp assembly seat 4 and ensuring the stability of the positioning clamp in the working state; according to the different widths of the compartment plate, the lower shell body 2 can be driven to move by the double-headed hydraulic cylinder 10 to change the spacing between the two sets of positioning clamps, so as to better meet the welding positioning requirements of compartment plates of different widths.

[0050] In this article, there are a few points to note:

[0051] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0052] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0053] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A flexible compartment plate arc welding positioning tool, comprising: A docking support (1), a lower shell (2), an upper shell (3), a fixture assembly seat (4), a limit pin (5), a servo motor (7), a movable switching seat (8), a double-headed cylinder (9) and a double-headed hydraulic cylinder (10); characterized in that the docking support (1) is externally connected to two lower shells (2), the lower shells (2) are connected to the two docking support members (1), and a double-headed hydraulic cylinder (10) is installed externally on the docking support (1); the upper shell (3) is installed on the top of the lower shell (2), and the fixture assembly seat is installed on the top of the upper shell (3) (4); a positioning fixture is installed on the top of the fixture assembly seat (4); limit pins (5) are connected to the two ends of the fixture assembly seat (4); the limit pins (5) are connected to the upper shell (3); a servo motor (7) is installed on the outside of the lower shell (2); a movable switching seat (8) is installed on the top of the lower shell (2); the movable switching seat (8) is connected to the servo motor (7); a double-headed cylinder (9) is installed on the top of the movable switching seat (8); the double-headed cylinder (9) is located in the bottom of the upper shell (3), and the double-headed cylinder (9) is connected to the two limit pins (5).

2. A flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: The inner side of the clamp assembly seat (4) is in sliding contact with the outer side of the upper shell (3); two slide grooves (31) are provided on the top of the upper shell (3); a T-shaped slider (41) is provided on the inner side of the clamp assembly seat (4); and the T-shaped slider (41) is slidably connected to the slide groove (31) provided on the upper shell (3).

3. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: The clamp assembly seat (4) is provided with guide holes (42) at two opposite ends, and the limit pin (5) is slidably connected in the guide hole (42) provided in the clamp assembly seat (4). A return spring (6) is sleeved on the outside of the limit pin (5), one end of the return spring (6) contacts with the limit pin (5), and the other end of the return spring (6) contacts with the clamp assembly seat (4).

4. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: The upper shell (3) is provided with movable holes (32) on both sides, and limit grooves (321) are arranged in an array on the upper and lower sides of the movable hole (32). The guide hole (42) is connected to the movable hole (32) and the limit groove (321), and the end of the limit pin (5) is inserted into the movable hole (32), and the upper and lower ends of the limit pin (5) are located in the limit groove (321).

5. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: Two guide rods (21) are arranged inside the lower shell (2), two through holes (81) are arranged inside the movable switching seat (8), and the guide rods (21) slide through the through holes (81) provided in the movable switching seat (8).

6. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: A screw rod (71) is installed on the driving shaft of the servo motor (7), and the screw rod (71) is rotatably connected to the lower housing (2). A screw hole (82) is provided inside the movable switching seat (8), and the screw rod (71) is threadedly connected to the screw hole (82) provided in the movable switching seat (8).

7. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: A transmission groove (51) is arranged inside the limit latch (5); the height of the piston rod of the double-headed cylinder (9) is flush with the height of the transmission groove (51) arranged on the limit latch (5); when the piston rod of the double-headed cylinder (9) extends outward, the end of the piston rod of the double-headed cylinder (9) is inserted into the transmission groove (51); when the piston rod of the double-headed cylinder (9) contracts inward, the end of the piston rod of the double-headed cylinder (9) is separated from the transmission groove (51).

8. The flexible compartment plate arc welding positioning tool according to claim 1, characterized in that: The docking support member (1) is provided with transverse columns (11) at both ends, and a through hole (22) is provided at the end of the lower shell (2). The transverse column (11) passes through the through hole (22) provided in the lower shell (2). The cylinder body of the double-headed hydraulic cylinder (10) is connected to the docking support member (1), and the piston rod of the double-headed hydraulic cylinder (10) is connected to the lower shell (2).

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