A head assembly welding tool

CN224794949UActive Publication Date: 2026-09-25CHANGZHOU RONGHUA HEAD TECH CO LTD
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Patent Information

Application Number
CN202521792074.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-09-25
Estimated Expiration
2035-08-22

AI Technical Summary

Technical Problem

[0003]在封头与罐体的组焊过程中,封头与罐体的同轴度极其重要,传统的工装多采用简易固定方式,难以保证封头与罐体的同轴度,导致封头与罐体的组焊质量较低

Benefits of technology

本实用新型中,封头与罐体被夹持组件夹持,接着连接板二在导向杆上进行水平移动,导向杆为罐体的移动提供导向作用,确保封头与罐体的同轴度,便于对封头与罐体进行组焊处理。

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Abstract

The utility model relates to the technical field of head, especially seal head assembly welding tool, including base, both ends of base top are fixedly installed with support plate, four guide rods are arranged between two support plates, one end of four guide rods is fixedly installed with two connecting plate no.
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Description

Technical Field

[0001] This utility model relates to the field of end cap technology, and in particular to an end cap assembly welding fixture. Background Technology

[0002] Head assembly welding is a key process in the manufacturing of pressure vessels, storage tanks, heat exchangers and other equipment. It refers to the process of connecting the head and the tank body into a complete sealed structure through welding. This process directly affects the strength, sealing performance and dimensional accuracy of the equipment, and requires strict control of welding deformation, residual stress and weld quality.

[0003] During the welding process of the end cap and the tank body, the coaxiality of the end cap and the tank body is extremely important. Traditional tooling often uses simple fixing methods, which makes it difficult to ensure the coaxiality of the end cap and the tank body, resulting in low welding quality of the end cap and the tank body. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a welding fixture for end cap assembly.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A welding fixture for end caps includes a base, with support plates fixedly installed at both ends of the top of the base. Four guide rods are arranged between the two support plates. Two connecting plates are fixedly installed at one end of each of the four guide rods, and a clamping assembly is provided on the connecting plate. Four connecting plates are slidably sleeved at the other ends of the four guide rods. An electric push rod is arranged between the two connecting plates, and a clamping assembly is provided on the connecting plate. A horizontal plate is arranged between the bottoms of the two support plates. A bottom support assembly is fixedly installed at one end of the horizontal plate, and a bottom support assembly is movably arranged at the other end of the horizontal plate. The clamping assembly includes a cylinder, which drives a mounting block to be installed. An arc-shaped clamping plate is fixed to one end of the mounting block by screws.

[0006] In addition, a preferred structure is that the top of the cross plate is provided with a groove.

[0007] Furthermore, in a preferred configuration, the bottom support assembly includes an electric telescopic rod, the bottom of which is fixedly installed to the horizontal plate, and a support platform is fixedly installed on the top of the electric telescopic rod, with an L-shaped support seat threaded onto the top of the support platform.

[0008] In addition, in a preferred configuration, the bottom support assembly two includes a first electric telescopic rod, with a first slider and a first support platform fixedly installed at the bottom and top of the first electric telescopic rod, respectively. The first slider slides within a groove, and an L-shaped support seat two is threaded onto the top of the first support platform. A passive push plate is fixedly installed on one side of the first electric telescopic rod.

[0009] In addition, in a preferred configuration, the bottom support assembly includes a second electric telescopic rod, with a second slider and a second support platform fixedly installed at the bottom and top of the second electric telescopic rod, respectively. The second slider slides within a groove, and a support seat is threaded onto the top of the second support platform.

[0010] Furthermore, in a preferred configuration, an electric push rod is provided between the first electric telescopic rod and the second electric telescopic rod.

[0011] Furthermore, in a preferred configuration, a cylinder two is fixedly mounted on one of the two support plates, and a main push plate is driven by the cylinder two. L-shaped push rods are fixedly mounted on both ends of one side of the main push plate, and a push rod is fixedly mounted on the other end of one side of the main push plate. The two L-shaped push rods are respectively fixedly connected to the two connecting plates two, and the push rods are fixedly connected to the passive push plate.

[0012] The beneficial effects of this utility model are as follows: In this invention, the end cap and the tank body are clamped by the clamping assembly, and then the connecting plate two moves horizontally on the guide rod. The guide rod provides guidance for the movement of the tank body, ensuring the coaxiality of the end cap and the tank body, and facilitating the welding of the end cap and the tank body. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a head welding fixture proposed in this utility model; Figure 2 This is a schematic diagram of the base and support plate structure of a head welding fixture proposed in this utility model; Figure 3 This is a schematic diagram of the structure of a head welding fixture proposed in this utility model when the head is clamped. Figure 4 This is a schematic diagram of the structure of a tank body being clamped by a welding fixture for end cap assembly proposed in this utility model; Figure 5 This is a schematic diagram of the main pusher plate structure of a head welding fixture proposed in this utility model; Figure 6 This is a schematic diagram of the clamping component structure of a head welding fixture proposed in this utility model; Figure 7 This is a schematic diagram of the bottom support component of a welding fixture for end caps proposed in this utility model; Figure 8 This is a schematic diagram of the bottom support component of a head welding fixture proposed in this utility model.

[0014] In the diagram: 1. Base, 2. Support plate, 3. Guide rod, 4. Clamping assembly, 41. Cylinder 1, 42. Mounting block, 43. Arc-shaped clamping plate, 5. Horizontal plate, 51. Slide groove, 6. Bottom support assembly 1, 61. Electric telescopic rod, 62. Support platform, 63. L-shaped support seat 1, 7. Bottom support assembly 2, 71. First electric telescopic rod, 711. First slider, 712. Passive push plate, 72. First support platform, 73. L-shaped support seat 2, 74. Second electric telescopic rod, 741. Second slider, 75. Second support platform, 76. Support seat, 77. Electric push rod 1, 8. Cylinder 2, 9. Connecting plate 1, 10. Main push plate, 101. L-shaped push rod, 102. Push rod, 11. Connecting plate 2, 12. Electric push rod 2. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figure 1-8 A welding fixture for end caps includes a base 1, with support plates 2 fixedly installed at both ends of the top of the base 1. Four guide rods 3 are arranged between the two support plates 2. Two connecting plates 9 are fixedly installed at one end of the four guide rods 3. Clamping components 4 are arranged on the connecting plates 9. Four connecting plates 11 are slidably sleeved at the other end of the four guide rods 3. Electric push rods 12 are arranged between the two connecting plates 11. Clamping components 4 are arranged on the connecting plates 11. A horizontal plate 5 is arranged between the bottoms of the two support plates 2. A bottom support component 6 is fixedly installed at one end of the horizontal plate 5. A bottom support component 7 is movably arranged at the other end of the horizontal plate 5. The clamping assembly 4 includes a cylinder 41, which drives an mounting block 42. One end of the mounting block 42 is fixed with an arc-shaped clamping plate 43 by screws. The arc-shaped clamping plate 43 can be removed and replaced to facilitate clamping and fixing heads and tanks of different sizes.

[0017] Meanwhile, a groove 51 is provided at the top of the horizontal plate 5.

[0018] Furthermore, the bottom support assembly 6 includes an electric telescopic rod 61, the bottom of which is fixedly installed with the horizontal plate 5, and a support platform 62 is fixedly installed on the top of the electric telescopic rod 61. An L-shaped support seat 63 is threadedly installed on the top of the support platform 62. The L-shaped support seat 63 supports the end cap and can be removed and replaced to facilitate the placement of end caps of different sizes.

[0019] Meanwhile, the bottom support assembly 7 includes a first electric telescopic rod 71. The bottom and top of the first electric telescopic rod 71 are respectively fixedly installed with a first slider 711 and a first support platform 72. The first slider 711 slides in the slide groove 51. The top of the first support platform 72 is threaded with an L-shaped support seat 73. The L-shaped support seat 73 supports the tank and can be removed and replaced to facilitate the placement of tanks of different sizes. A passive push plate 712 is fixedly installed on one side of the first electric telescopic rod 71. By pushing the passive push plate 712, the L-shaped support seat 73 is moved synchronously.

[0020] Meanwhile, the bottom support assembly 7 includes a second electric telescopic rod 74. The bottom and top of the second electric telescopic rod 74 are respectively fixedly installed with a second slider 741 and a second support platform 75. The second slider 741 slides in the groove 51. The top of the second support platform 75 is threaded with a support seat 76. The support seat 76 supports the tank and can be removed and replaced to facilitate the placement of tanks of different sizes.

[0021] Meanwhile, an electric push rod 77 is provided between the first electric telescopic rod 71 and the second electric telescopic rod 74. The electric push rod 77 can extend or retract to change the distance between the support base 76 and the L-shaped support base 73, thereby allowing tanks of different sizes to be placed.

[0022] Furthermore, a cylinder 8 is fixedly installed on one of the two support plates 2. The cylinder 8 drives the main push plate 10. L-shaped push rods 101 are fixedly installed at both ends on one side of the main push plate 10, and push rods 102 are fixedly installed at the other end of the main push plate 10. The two L-shaped push rods 101 are fixedly connected to the two connecting plates 11 respectively, and the push rods 102 are fixedly connected to the passive push plate 712. The cylinder 8 can drive the connecting plate 11, the support seat 76, and the L-shaped support seat 73 to move, thereby driving the tank to move.

[0023] In this embodiment, the electric telescopic rod 61 is activated to raise the L-shaped support base 63 to a suitable position. Then, the end cap is placed on the L-shaped support base 63. Next, two cylinders 41 are simultaneously activated, driving the two arc-shaped clamping plates 43 to move towards each other, thereby clamping the end cap. Then, the first electric telescopic rod 71 and the second electric telescopic rod 74 are activated, raising the L-shaped support base 73 and support base 76 to a position horizontal with the L-shaped support base 63, thus lifting the tank body... The end caps are placed on L-shaped support base 73 and support base 76 respectively. Then, cylinder 41 is started, which drives the arc-shaped clamping plate 43 to move. The tank body is clamped by the four arc-shaped clamping plates 43. Then, cylinder 8 is started, which drives the main push plate 10 to move. Through L-shaped push rod 101 and push rod 102, the connecting plate 11 and the first electric telescopic rod 71 are moved synchronously, thereby making the tank body move synchronously. When it moves to the appropriate position, the end caps and the tank body can be welded. When welding tanks and heads of different sizes is required, the electric telescopic rod 61, the first electric telescopic rod 71, and the second electric telescopic rod 74 drive the L-shaped support seat 1 63, the L-shaped support seat 2 73, and the support seat 76 to move to the appropriate height. The electric push rod 1 77 extends or retracts, adjusting the distance between the L-shaped support seat 2 73 and the support seat 76 to the appropriate value. The electric push rod 2 12 extends or retracts, adjusting the distance between the two connecting plates 2 11 to the appropriate value, thereby clamping and fixing the heads and tanks of different sizes.

[0024] In this invention, the end cap and the tank body are clamped by the clamping assembly 4, and then the connecting plate 11 moves horizontally on the guide rod 3. The guide rod 3 provides guidance for the movement of the tank body, ensuring the coaxiality of the end cap and the tank body, and facilitating the welding of the end cap and the tank body.

[0025] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A welding fixture for assembling a head, comprising a base (1), characterized in that, The base (1) has support plates (2) fixedly installed at both ends of the top. Four guide rods (3) are arranged between the two support plates (2). Two connecting plates (9) are fixedly installed at one end of the four guide rods (3). A clamping assembly (4) is provided on the connecting plate (9). Four connecting plates (11) are slidably sleeved at the other end of the four guide rods (3). An electric push rod (12) is arranged between the two connecting plates (11). A clamping assembly (4) is provided on the connecting plate (11). A horizontal plate (5) is arranged between the bottoms of the two support plates (2). A bottom support assembly (6) is fixedly installed at one end of the horizontal plate (5). A bottom support assembly (7) is movably arranged at the other end of the horizontal plate (5). The clamping assembly (4) includes a cylinder (41), which drives a mounting block (42) to be installed. An arc-shaped clamping plate (43) is fixedly installed on one end of the mounting block (42) by screws.

2. The head assembly welding fixture according to claim 1, characterized in that, The top of the horizontal plate (5) is provided with a groove (51).

3. The head assembly welding fixture according to claim 1, characterized in that, The bottom support assembly (6) includes an electric telescopic rod (61), the bottom of which is fixedly installed with the horizontal plate (5), and a support platform (62) is fixedly installed on the top of the electric telescopic rod (61). An L-shaped support seat (63) is threadedly installed on the top of the support platform (62).

4. The head assembly welding fixture according to claim 1, characterized in that, The bottom support assembly 2 (7) includes a first electric telescopic rod (71), a first slider (711) and a first support platform (72) are fixedly installed at the bottom and top of the first electric telescopic rod (71), the first slider (711) slides in the groove (51), the top of the first support platform (72) is threaded with an L-shaped support seat 2 (73), and a passive push plate (712) is fixedly installed on one side of the first electric telescopic rod (71).

5. The head assembly welding fixture according to claim 4, characterized in that, The bottom support assembly 2 (7) includes a second electric telescopic rod (74). The bottom and top of the second electric telescopic rod (74) are respectively fixedly installed with a second slider (741) and a second support platform (75). The second slider (741) slides in the groove (51), and the top of the second support platform (75) is threaded with a support seat (76).

6. The head assembly welding fixture according to claim 5, characterized in that, An electric push rod (77) is provided between the first electric telescopic rod (71) and the second electric telescopic rod (74).

7. The head assembly welding fixture according to claim 1, characterized in that, One of the two support plates (2) is fixedly installed with a cylinder two (8), which drives the main push plate (10). L-shaped push rods (101) are fixedly installed at both ends on one side of the main push plate (10), and push rods (102) are fixedly installed at the other end on the other side of the main push plate (10). The two L-shaped push rods (101) are fixedly connected to the two connecting plates two (11) respectively, and the push rods (102) are fixedly connected to the passive push plate (712).