Tool for assisting welding spot splicing of head structure of linear accelerator

Abstract

The utility model relates to the technical field of auxiliary tools in the welding and assembling process of linear accelerators, in particular to a tool for assisting welding spot splicing of a head structure of a linear accelerator, which comprises a bottom plate, a bent ruler positioning structure and presser foot positioning structures, and at least one presser foot positioning structure is arranged on one side, close to each other, of each of two third part projection stations. The two sides, close to one end of the first part placing station, of the second part placing station are each provided with a bent ruler positioning structure, and the portions, on the sides, away from each other, of the bottom plate of the two fourth parts are each provided with at least two bent ruler positioning structures and at least one presser foot positioning structure. And at least three presser foot positioning structures are arranged on a projection station of the circular large through hole of the second part. The welding spot splicing precision and position of the head structure of the linear accelerator are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary tools for a linear accelerator welding assembly process, and in particular provides a tool for assisting the assembly of welding points of a linear accelerator head structure. Background Art

[0002] At present, there are many structural components in the head of medical linear accelerators. Each component needs to be spliced ​​and then connected through welding points. For linear accelerators, the requirements for the size and accuracy of welding points are very high. Conventional manual welding cannot guarantee the accuracy of welding. It often happens that products are scrapped due to insufficient accuracy of welding points. Therefore, there is an urgent need for a tooling to assist the welding points of the head structure of linear accelerators to improve the product qualification rate and improve production efficiency. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a tooling for assisting the welding points of the head structure of a linear accelerator.

[0004] The utility model is implemented in this way, providing a tool for assisting the welding points of a linear accelerator head structure, wherein the linear accelerator head structure comprises a first component, a second component, two third components and two fourth components, the first component is a rectangular plate-shaped structure, a large circular through hole is provided in the middle of the second component, a straight edge is provided on the outer side to butt with the second component, the third component is a strip plate structure, and the fourth component is a special-shaped structure, one end of the two third components is pressed on the first component, and the butt edge of the second component is close to the second component, the subsequent parts of the two third components are pressed on both sides of the first component and extend from the first component, one end of the two fourth components is butt with the end of the two third components respectively, and the bottom surface is butt with the upper surface of both sides of the second component, the tool comprises a bottom plate, a plurality of bending ruler positioning structures and a plurality of presser foot positioning structures, a first component placement station and a second component placement station are provided on the bottom plate, and a portion of the third component extending out of the first component is placed on the bottom plate A third component projection station is projected on, at least one presser foot positioning structure is provided on the side where the two third component projection stations are close to each other, and at least one bending ruler positioning structure is provided on the side where they are away from each other. When positioning, the presser foot positioning structure and the bending ruler positioning structure on both sides of a third component are both against the two sides of the third component, and a bending ruler positioning structure is respectively provided on both sides of the second component placement station close to one end of the first component placement station. When positioning, the two bending ruler positioning structures are respectively against the sides of the two third component ends away from each other. At least two bending ruler positioning structures and at least one presser foot positioning structure are provided on the bottom plates on the sides where the two fourth components are away from each other. When positioning, the bending ruler positioning structure and the presser foot positioning structure are both against the corresponding fourth component. At least three presser foot positioning structures are provided on the projection station of the circular large through hole of the second component, and when positioning, at least two are respectively against the two fourth components, and at least one is against the inner wall of the circular large through hole close to the first component.

[0005] Preferably, the bending ruler positioning structure includes a bending ruler seat, a bending ruler and a bending ruler positioning pin. The bending ruler seat is fixed on the base plate. The bending ruler is a right-angle structure. A long hole is provided on the horizontal section of the bending ruler. The bending ruler positioning pin passes through the long hole and is rotatably connected to the bending ruler seat. When positioning, the bending ruler abuts against the head structure of the linear accelerator.

[0006] Further preferably, a portion of the bending ruler seat of the bending ruler positioning structure on the side where the two projection stations of the third component are far away from each other is located below the third component during positioning.

[0007] Further preferably, the presser foot positioning structure includes a presser foot seat, a presser foot support rod and a presser foot, the presser foot seat is fixed on the base plate, the lower end of the presser foot support rod is fixed on the presser foot seat, the upper end is provided with a collar, the collar is provided with an internal thread, the presser foot is a rod-type structure, the presser foot is threadedly connected to the collar, and a pressure block with an increased diameter is provided at one end of the presser foot close to the linear accelerator head structure, and the pressure block abuts against the linear accelerator head structure during positioning.

[0008] Compared with the prior art, the advantages of the utility model are:

[0009] Provided is a tooling for assisting the welding point assembly of a linear accelerator head structure. During the welding point assembly of the linear accelerator head structure, the positions of various components are accurately located, the accuracy and position of the welding point assembly are ensured, the qualified rate of the product is improved, and the production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention is further described in detail below with reference to the accompanying drawings and implementation modes:

[0011] Figure 1 This is a schematic diagram of the top view structure of the utility model;

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

[0013] Figure 3 It is a right side structural schematic diagram of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the bending ruler positioning structure;

[0015] Figure 5 It is a structural schematic diagram of the presser foot positioning structure. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0017] refer to Figure 1 , Figure 2 and Figure 3The utility model provides a tooling for assisting the welding points of a linear accelerator head structure, wherein the linear accelerator head structure comprises a first component 1, a second component 2, two third components 3 and two fourth components 4, wherein the first component 1 is a rectangular plate-shaped structure, a large circular through hole is provided in the middle of the second component 2, and a straight edge is provided on the outer side to connect with the second component 2, the third component 3 is a strip plate structure, and the fourth component 4 is a special-shaped structure, one end of the two third components 3 is pressed on a side of the first component 1 and the second component 2 butting edge close to the second component 2, the subsequent parts of the two third components 3 are pressed on both sides of the first component 1 and extend from the first component 1, one end of the two fourth components 4 is respectively butted with the end parts of the two third components 3, and the bottom surface is butted with the upper surfaces of both sides of the second component 2, the tooling comprises a bottom plate 5, a plurality of bending ruler positioning structures 6 and a plurality of presser foot positioning structures 7, a first component 1 placement station and a second component 2 placement station are provided on the bottom plate 5, and a portion of the third component 3 extending out of the first component 1 is on the bottom plate 5 There is a projection station for projection of the third component 3, at least one presser foot positioning structure 7 is provided on the side where the two third component 3 projection stations are close to each other, and at least one bending ruler positioning structure 6 is provided on the side away from each other. When positioning, the presser foot positioning structure 7 and the bending ruler positioning structure 6 on both sides of a third component 3 are both against the two sides of the third component 3, and a bending ruler positioning structure 6 is provided on both sides of the second component 2 placement station close to one end of the first component 1 placement station. When positioning, the two bending ruler positioning structures 6 are respectively against the sides away from each other at the ends of the two third components 3. At least two bending ruler positioning structures 6 and at least one presser foot positioning structure 7 are provided on the bottom plate 5 on the side where the two fourth components 4 are away from each other. When positioning, the bending ruler positioning structure 6 and the presser foot positioning structure 7 are both against the corresponding fourth component 4. At least three presser foot positioning structures 7 are provided on the projection station of the circular large through hole of the second component 2, and when positioning, at least two are respectively against the two fourth components 4, and at least one is against the inner wall of the circular large through hole close to the first component 1.

[0018] When the utility model is used to accurately position and weld various parts of the head structure of the linear accelerator, the first part 1 is placed on the first part 1 placement station of the base plate 5, the second part 2 is placed on the second part 2 placement station, the two third parts 3 are placed on the first part 1 and the second part 2, and the two fourth parts 4 are placed on the corresponding positions of the second part 2. The various bending ruler positioning structures 6 and the various pressure foot positioning structures 7 are adjusted so that the bending ruler positioning structures 6 and the pressure foot positioning structures 7 can limit the four parts to the target positions respectively, and then the welding points can be assembled.

[0019] refer to Figure 4As a specific implementation of the bending ruler positioning structure 6, the bending ruler positioning structure 6 includes a bending ruler seat 8, a bending ruler 9 and a bending ruler positioning pin 10. The bending ruler seat 8 is fixed on the base plate 5. The bending ruler 9 is a right-angle structure. A long hole is provided on the horizontal section of the bending ruler 9. The bending ruler positioning pin 10 passes through the long hole and is rotatably connected to the bending ruler seat 8. When positioning, the bending ruler 9 abuts against the head structure of the linear accelerator.

[0020] In the process of positioning each component by the bending ruler positioning structure 6, the bending ruler positioning pin is first loosened, and the position of the bending ruler 9 is adjusted according to the position so that the vertical section of the bending ruler 9 is against each position of the linear accelerator head structure, thereby completing the positioning of each component by the bending ruler positioning structure 6.

[0021] In order to make the two third components 3 more stable and ensure the accuracy of the welding points, as an improvement of the technical solution, the bending ruler seat 8 of the bending ruler positioning structure 6 on the side where the two projection stations of the third components 3 are far away from each other is partially located below the third component 3 during positioning.

[0022] Reference Figure 5 As a specific implementation of the presser foot positioning structure 7, the presser foot positioning structure 7 includes a presser foot seat 11, a presser foot support rod 12 and a presser foot 13. The presser foot seat 11 is fixed on the base plate 5, the lower end of the presser foot support rod 12 is fixed on the presser foot seat 11, and a collar is provided on the upper end, and an internal thread is provided in the collar. The presser foot 13 is a rod-type structure, and the presser foot 13 is threadedly connected to the collar, and a pressure block with an increased diameter is provided at one end of the presser foot 13 close to the linear accelerator head structure, and the pressure block abuts against the linear accelerator head structure during positioning.

[0023] In the process of positioning each component by the presser foot positioning structure 7, the other end of the presser foot 13 is twisted according to the position of each part so that the pressing block can be pressed against each part.

[0024] By using the bending ruler positioning structures 6 and the pressure foot positioning structures 7 to position each part, each part can be welded and assembled, thereby completing the welding and assembly of the linear accelerator head structure.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A tooling for assisting the welding points of a linear accelerator head structure, the linear accelerator head structure comprising a first component (1), a second component (2), two third components (3) and two fourth components (4), the first component (1) being a rectangular plate structure, the second component (2) being provided with a large circular through hole in the middle and a straight edge on the outer side for docking with the second component (2), the third component (3) being a strip plate structure, the fourth component (4) being a special-shaped structure, one end of the two third components (3) being pressed on a side of the first component (1) and the docking edge of the second component (2) close to the second component (2), the subsequent parts of the two third components (3) being pressed on both sides of the first component (1) and extending from the first component (1), one end of the two fourth components (4) being docked with the ends of the two third components (3) respectively, and the bottom surface being docked with the upper surfaces of both sides of the second component (2), characterized in that: The tooling comprises a base plate (5), a plurality of bending ruler positioning structures (6) and a plurality of presser foot positioning structures (7); a first component (1) placement station and a second component (2) placement station are provided on the base plate (5); a portion of the third component (3) extending out of the first component (1) is projected onto the base plate (5) with a third component (3) projection station; at least one presser foot positioning structure (7) is provided on the sides of the two third component (3) projection stations that are close to each other, and at least one bending ruler positioning structure (6) is provided on the sides that are far away from each other; when positioning, the presser foot positioning structures (7) and the bending ruler positioning structures (6) on both sides of a third component (3) are both against both sides of the third component (3); the second component (2) placement station is close to the first component (1) and the presser foot positioning structure (7) and the bending ruler positioning structure (6) are both against both sides of the third component (3); ) are placed at both sides of one end of the workstation, and a bending ruler positioning structure (6) is provided respectively. When positioning, the two bending ruler positioning structures (6) are respectively against the sides of the ends of the two third components (3) that are away from each other. At least two bending ruler positioning structures (6) and at least one presser foot positioning structure (7) are provided on the bottom plate (5) on the sides of the two fourth components (4) that are away from each other. When positioning, the bending ruler positioning structures (6) and the presser foot positioning structures (7) are both abutted against the corresponding fourth components (4). At least three presser foot positioning structures (7) are provided on the projection workstation of the large circular through hole of the second component (2). When positioning, at least two of them are respectively abutted against the two fourth components (4), and at least one is abutted against the inner wall of the large circular through hole close to the first component (1).

2. The tooling for assisting the welding points of the linear accelerator head structure according to claim 1, characterized in that: The bending ruler positioning structure (6) comprises a bending ruler seat (8), a bending ruler (9) and a bending ruler positioning pin (10); the bending ruler seat (8) is fixed on the base plate (5); the bending ruler (9) is a right-angle structure; a long hole is provided on the horizontal section of the bending ruler (9); the bending ruler positioning pin (10) passes through the long hole and is rotatably connected to the bending ruler seat (8); when positioning, the bending ruler (9) abuts against the head structure of the linear accelerator.

3. The tooling for assisting the welding points of the linear accelerator head structure according to claim 2, characterized in that: The bending ruler seat (8) of the bending ruler positioning structure (6) on the side where the projection stations of the two third components (3) are far away from each other is partially located below the third component (3) during positioning.

4. The tooling for assisting the welding points of the linear accelerator head structure according to claim 1, characterized in that: The presser foot positioning structure (7) comprises a presser foot seat (11), a presser foot support rod (12) and a presser foot (13); the presser foot seat (11) is fixed on the base plate (5); the lower end of the presser foot support rod (12) is fixed on the presser foot seat (11); the upper end is provided with a sleeve ring, and the sleeve ring is provided with an internal thread; the presser foot (13) is a rod-shaped structure, the presser foot (13) is threadedly connected to the sleeve ring, and a pressure block with an increased diameter is provided at one end of the presser foot (13) close to the linear accelerator head structure, and the pressure block abuts against the linear accelerator head structure during positioning.

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