Positioning tool for oil tank workpiece welding
By designing positioning tooling for welding oil tank workpieces, and using adjustment grooves and nut structures to achieve rapid and accurate positioning of workpieces, the problems of inaccurate welding positioning and high cost in the prior art are solved. They are suitable for workpieces of multiple models and positions, and the welding is improved Accuracy and practicality.
Patent Information
- Application Number
- CN202421129781.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-22
AI Technical Summary
In the prior art, when welding workpieces in the oil tank, the tape measure measurement error is large and the hand shake is likely to cause inaccurate welding positioning, and the existing positioning tooling cannot be applied to workpieces of different models and locations, resulting in high costs and numerous costs.
A positioning tool for welding oil tank workpieces is designed, including a first scale, a second scale, a positioning member and abutment member. The rapid and accurate positioning of the workpiece is achieved through the adjustment groove and nut structure, and the vibration is reduced through the abutment member. , suitable for workpieces of multiple models and locations.
It realizes rapid and accurate positioning of workpieces, improves welding accuracy, reduces costs, and is suitable for oil tank workpieces in multiple models and different locations, reducing the need for rework correction.
Smart Images
Figure CN222307808U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil tank processing, in particular to a positioning tool for welding an oil tank workpiece. Background Art
[0002] Multiple workpieces will be welded on the outer surface of the oil tank, such as a mounting seat with mounting holes, which is used to install a valve block or a pipe clamp, etc. In the prior art, when welding a workpiece, a tape measure is generally used to measure the welding position of the workpiece on the surface of the oil tank, and then the workpiece is held for welding. However, the measurement error of the tape measure is large, and hand shaking is prone to occur during welding, which results in inaccurate welding positioning, requiring rework and correction, which is time-consuming and laborious. In addition, the workpiece is also positioned by a positioning tool, but the existing positioning tool can only position the workpiece at a fixed position, and cannot be applied to different workpieces or different types of oil tanks, resulting in a large number of positioning tools and high costs. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a positioning tool for oil tank workpiece welding, which can not only quickly and accurately position the workpiece, but also reduce the workpiece shaking during welding, and the welding accuracy is higher. In addition, it can also position multiple models of oil tanks and workpieces in different positions, with lower cost and better practicality.
[0004] According to the positioning tool for welding a fuel tank workpiece of the embodiment of the utility model, when the workpiece is welded to the fuel tank, the positioning tool for welding the fuel tank workpiece is used to position the workpiece, and the positioning tool for welding the fuel tank workpiece comprises a first scale, a second scale, a positioning member and at least two abutting members, the first scale is provided with a first adjustment groove extending along the length direction of the first scale, the second scale is provided with a second adjustment groove extending along the length direction of the second scale, the second scale is staggered with the first scale so that the second adjustment groove is staggered with the first adjustment groove, the positioning member is penetrated at the staggered position of the first adjustment groove and the second adjustment groove, and can be slidably adjusted along the length direction of the first adjustment groove and the length direction of the second adjustment groove, the first scale and the second scale can be rotated and adjusted around the positioning member, the positioning member is used to place the workpiece, at least two abutting members are respectively provided on the first scale and the second scale, and the abutting member is used to abut the adjacent surface of the surface of the fuel tank on which the workpiece is installed.
[0005] The positioning tool for welding a fuel tank workpiece according to the embodiment of the utility model has at least the following beneficial effects:
[0006] When the workpiece needs to be welded, the first scale and the second scale are rotated and adjusted around the positioning member so that the length direction of the first scale and the length direction of the second scale are perpendicular, and then the positioning member is slid and adjusted along the length direction of the first adjustment groove and the length direction of the second adjustment groove so that the positioning member is located at the preset scale line position on the first scale and the second scale, and then the abutment member on the first scale abuts against one of the adjacent surfaces of the surface of the oil tank for mounting the workpiece, and the abutment member on the second scale abuts against another adjacent surface of the surface of the oil tank for mounting the workpiece, and finally the workpiece to be welded is placed on the positioning member, so that the workpiece can be quickly and accurately positioned, thereby facilitating subsequent welding, and because the abutment member abuts against the adjacent surface of the surface of the oil tank for mounting the workpiece, the workpiece jitter can be reduced during the welding process, thereby making the welding accuracy higher, and in addition, because the positioning member can be slid and adjusted along the length direction of the first adjustment groove and the length direction of the second adjustment groove, it can be applied to the situation where the distance between the welding position of the workpiece and the edge of the surface of the oil tank mounting the workpiece is different, so that multiple models of oil tanks and workpieces at different positions can be positioned, with lower cost and better practicality.
[0007] According to some embodiments of the utility model, the positioning member includes a positioning slide pin, a first nut and a seating portion, the positioning slide pin is inserted into the staggered position of the first adjustment slot and the second adjustment slot, the positioning slide pin is configured as a screw structure, the first nut is threadedly connected to the positioning slide pin, the seating portion is provided on the positioning slide pin, the seating portion and the first nut are respectively located on the side opposite to the first scale and the second scale, and the seating portion is used to seat the workpiece.
[0008] According to some embodiments of the utility model, the placement portion is configured to be cylindrical, the placement portion is provided with a threaded hole and is threadedly connected to the positioning slide pin through the threaded hole, and the placement portion is used for the workpiece to be sleeved.
[0009] According to some embodiments of the present utility model, the positioning member further includes a limiting plate, the limiting plate is connected to the positioning slide pin, and the placement portion is located on a side of the limiting plate away from the first nut.
[0010] According to some embodiments of the utility model, the positioning member also includes a first washer, which is sleeved on the positioning slide pin, and the first washer is located on the side of the first nut close to the seating portion. The first washer is provided with at least two first pointers along the circumferential direction, and the indicating direction of the first pointer is the radial direction of the first washer, and the indicating directions of two adjacent first pointers are perpendicular to each other.
[0011] According to some embodiments of the present invention, the abutment member is disposed in the first adjustment slot or the second adjustment slot, and can be slidably adjusted along the length direction of the first adjustment slot or the length direction of the second adjustment slot.
[0012] According to some embodiments of the utility model, the abutment member includes an abutment block and an adjusting slide pin, the abutment block is used to abut the adjacent surface of the oil tank on which the workpiece is installed, the adjusting slide pin is connected to the abutment block, the adjusting slide pin is arranged as a screw structure, and one end of the adjusting slide pin away from the abutment block is passed through the first adjusting groove or the second adjusting groove and is threadedly connected with a second nut.
[0013] According to some embodiments of the utility model, the abutment member also includes a second washer, which is sleeved on the adjusting slide pin, and the second washer is located on the side of the second nut close to the abutment block. The second washer is provided with at least two second pointers along the circumferential direction, and the indicating direction of the second pointer is the radial direction of the second washer, and the indicating directions of two adjacent second pointers are perpendicular to each other.
[0014] According to some embodiments of the present utility model, the abutment member is formed with an abutment surface, the abutment surface is perpendicular to the sliding adjustment direction of the abutment member, and the abutment surface is used to abut against an adjacent surface of the oil tank on which the workpiece is mounted.
[0015] According to some embodiments of the present invention, at least two first scales are provided, and at least two first scales are parallel to each other; and / or at least two second scales are provided, and at least two second scales are parallel to each other; the positioning piece is penetrated at the staggered position of any first adjustment slot and any second adjustment slot.
[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:
[0018] Figure 1 This is a structural schematic diagram of a positioning tool for welding a fuel tank workpiece according to an embodiment of the utility model;
[0019] Figure 2 for Figure 1 One of the perspectives
[0020] Figure 3 It is a partial exploded schematic diagram of a positioning tool for welding a fuel tank workpiece according to an embodiment of the utility model;
[0021] Figure 4 The exploded schematic diagram of the positioning part;
[0022] Figure 5 It is an exploded schematic diagram of the abutment;
[0023] Figure 6 This is a working schematic diagram of a positioning tool for welding a fuel tank workpiece according to an embodiment of the utility model.
[0024] Figure Number:
[0025] First scale 100; first adjustment slot 101;
[0026] Second scale 200; second adjustment slot 201;
[0027] Positioning member 300; positioning slide pin 301; first nut 302; placement portion 303; limiting piece 304; first washer 305; first pointer 306;
[0028] Abutment member 400; abutment block 401; adjustment slide pin 402; second nut 403; second washer 404; second pointer 405; abutment surface 406;
[0029] Oil tank 500; workpiece 501. DETAILED DESCRIPTION
[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0031] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0032] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.
[0034] Reference below Figures 1 to 6 The present invention describes a positioning tool for welding a fuel tank workpiece according to an embodiment of the present utility model.
[0035] refer to Figures 1 to 6 As shown, the positioning tool for welding the oil tank workpiece according to the embodiment of the utility model is used to position the workpiece 501 when the workpiece 501 is welded to the oil tank 500. The positioning tool for welding the oil tank workpiece includes a first scale 100, a second scale 200, a positioning member 300 and at least two abutment members 400.
[0036] The workpiece 501 of the oil tank 500 may be a mounting seat with a mounting hole, the mounting seat may be cylindrical, and the mounting seat may be used to mount a valve block, a pipe clamp or other components.
[0037] The first scale 100 is provided with a first adjustment groove 101 extending along the length direction of the first scale 100, and the first adjustment groove 101 can penetrate along the thickness direction of the first scale 100. In addition, it can be understood that the first scale 100 is also provided with a plurality of scale lines, and the plurality of scale lines are arranged along the length direction of the first scale 100.
[0038] The second scale 200 is provided with a second adjustment groove 201 extending along the length direction of the second scale 200, and the second adjustment groove 201 can penetrate along the thickness direction of the second scale 200. In addition, it can be understood that the second scale 200 is also provided with a plurality of scale lines, and the plurality of scale lines are arranged along the length direction of the second scale 200. The second scale 200 is staggered with the first scale 100 so that the second adjustment groove 201 is staggered with the first adjustment groove 101. In addition, the surface of the second scale 200 in the thickness direction can be fitted with the surface of the first scale 100 in the thickness direction, and the projection of the second adjustment groove 201 and the projection of the first adjustment groove 101 can partially overlap along the thickness direction of the first scale 100 and the second scale 200.
[0039] The positioning member 300 is arranged at the staggered position of the first adjustment groove 101 and the second adjustment groove 201. The first scale 100 and the second scale 200 are connected through the positioning member 300. The positioning member 300 can be slidably adjusted along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, so that the positioning member 300 can be located at different positions in the length direction of the first scale 100 and the length direction of the second scale 200. The first scale 100 and the second scale 200 can be rotated and adjusted around the positioning member 300, for example, they can be rotated and adjusted to make the first scale 100 and the second scale 200 perpendicular. The positioning member 300 is used to place the workpiece 501.
[0040] At least two abutment members 400 are respectively provided on the first scale 100 and the second scale 200 , that is, each first scale 100 and each second scale 200 is provided with an abutment member 400 , and the abutment member 400 is used to abut against the adjacent surface of the surface of the mounting workpiece 501 of the oil tank 500 .
[0041] In the present invention, when the workpiece 501 needs to be welded, the first scale 100 and the second scale 200 are rotated and adjusted around the positioning member 300, so that the length direction of the first scale 100 and the length direction of the second scale 200 are perpendicular, and then the positioning member 300 is slid and adjusted along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, so that the positioning member 300 is located at the preset scale line position on the first scale 100 and the second scale 200, and then the abutment member 400 on the first scale 100 abuts against one of the adjacent surfaces of the surface of the oil tank 500 for mounting the workpiece 501, and the abutment member 400 on the second scale 200 abuts against the other surface of the surface of the oil tank 500 for mounting the workpiece 501. Adjacent surfaces, and finally the workpiece 501 to be welded is placed on the positioning member 300, so that the workpiece 501 can be quickly and accurately positioned, thereby facilitating subsequent welding, and because the abutment member 400 abuts against the adjacent surface of the surface of the oil tank 500 for installing the workpiece 501, the jitter of the workpiece 501 can be reduced during the welding process, thereby making the welding accuracy higher. In addition, since the positioning member 300 can be slidably adjusted along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, it can be suitable for situations where the distance between the welding position of the workpiece 501 and the edge of the surface of the oil tank 500 where the workpiece 501 is installed is different, thereby being able to position multiple models of oil tanks 500 and workpieces 501 in different positions, with lower cost and better practicality.
[0042] It should be noted that the number of the first scale 100 and the second scale 200 can be one or more. When the first scale 100 and the second scale 200 are both one, only one positioning member 300 can be provided, so that one workpiece 501 can be positioned. When the number of the first scale 100 is multiple and / or the number of the second scale 200 is multiple, the number of positioning members 300 can be multiple, so that multiple workpieces 501 can be positioned at the same time. For example, when the number of the first scale 100 is two and the number of the second scale 200 is two, four workpieces 501 can be positioned at the same time. The positioning member 300 can be slidably adjusted along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, which means that the positioning member 300 can slide along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, and can be fixed after sliding to a preset position, and the first scale 100 and the second scale 200 can be rotated and adjusted around the positioning member 300, which means that the first scale 100 and the second scale 200 can be rotated around the positioning member 300, and after rotating until the first scale 100 and the second scale 200 form a preset angle, for example, a right angle, the first scale 100 and the second scale 200 can be fixed.
[0043] In some embodiments of the present invention, Figure 3 and Figure 4 As shown, the positioning member 300 includes a positioning pin 301, a first nut 302 and a seating portion 303. The positioning pin 301 is inserted into the staggered position of the first adjustment groove 101 and the second adjustment groove 201. The positioning pin 301 is configured as a screw structure. The first nut 302 is threadedly connected to the positioning pin 301. The seating portion 303 is disposed on the positioning pin 301. The seating portion 303 and the first nut 302 are respectively located on the opposite sides of the first scale 100 and the second scale 200. The seating portion 303 is used to seat the workpiece 501.
[0044] In this embodiment, a positioning pin 301 is provided to facilitate the sliding adjustment of the positioning member 300 along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, and at the same time facilitate the first scale 100 and the second scale 200 to rotate and adjust around the positioning member 300. A first nut 302 and a seating portion 303 are provided. Loosening the first nut 302 can facilitate the sliding of the positioning member 300, the rotation of the first scale 100 and the rotation of the second scale 200. Tightening the first nut 302 can fix the positioning member 300, the first scale 100 and the second scale 200. The structure is simple and the operation is convenient.
[0045] It should be noted that the first nut 302 can be set as a butterfly nut to facilitate the rotation of the first nut 302. Of course, the first nut 302 can also be other types of nut structures, which will not be repeated here. In addition, in some other embodiments of the utility model, the positioning member 300 can also be other structures. For example, the first nut 302 can be replaced with a limiter fixedly connected to the positioning slide pin 301.
[0046] In some embodiments of the present invention, Figures 2 to 4 As shown, the placement part 303 is set to be cylindrical and can be coaxial with the positioning slide pin 301, and the placement part 303 is used for the workpiece 501 to be mounted. The workpiece 501 welded on the outer surface of the oil tank 500 is generally a mounting seat with a mounting hole, and the mounting seat is used to mount a valve block or a pipe clamp, etc. In this embodiment, the placement part 303 is set to be cylindrical and can be coaxial with the positioning slide pin 301, and then when the workpiece 501 needs to be placed, the workpiece 501 can be mounted outside the placement part 303, which has a simpler structure, more convenient operation, and more time-saving and labor-saving.
[0047] It should be noted that in some other embodiments of the present invention, the placement portion 303 may also be other structures, for example, it may also be a clamp, which will not be described in detail here.
[0048] In some embodiments of the present invention, Figure 3 and Figure 4 As shown, the placement portion 303 is provided with a threaded hole and is threadedly connected to the positioning slide pin 301 through the threaded hole. The threaded hole can be coaxial with the placement portion 303. The threaded hole is provided, which not only makes it more convenient to install and remove the placement portion 303, but also allows the placement portion 303 with a suitable outer diameter to be selected according to the size of the workpiece 501, which is more practical.
[0049] It should be noted that in some other embodiments of the present invention, the placement portion 303 may also be snap-connected, welded, or integrally formed with the positioning slide pin 301, which will not be described in detail herein.
[0050] In some embodiments of the present invention, Figure 3 and Figure 4As shown, the positioning member 300 further includes a limiting piece 304, the limiting piece 304 is connected to the positioning pin 301, and the placement portion 303 is located on the side of the limiting piece 304 away from the first nut 302. For example, the limiting piece 304 can be circular and coaxial with the positioning pin 301, and the limiting piece 304 can be welded or integrally formed with the positioning pin 301. The setting of the limiting piece 304 can prevent the first nut 302 threadedly connected to the positioning pin 301 and the placement portion 303 from contacting the first scale 100 and the second scale 200 at the same time, thereby reducing the loosening of the first nut 302 and the placement portion 303, so that the locking effect of the first nut 302 is better.
[0051] In some embodiments of the present invention, Figure 4 As shown, the positioning slide pin 301 is sleeved with a first washer 305, and the first washer 305 is located on the side of the first nut 302 close to the placement portion 303. The first washer 305 is provided with at least two first pointers 306 along the circumferential direction, and the indication direction of the first pointer 306 is the radial direction of the first washer 305, and the indication directions of the two adjacent first pointers 306 are perpendicular. The first washer 305 is provided to better prevent the first nut 302 from loosening and wearing. The first pointer 306 is provided, which can not only indicate the direction, and then enable the first scale 100 and the second scale 200 to rotate quickly to a vertical state, but also cooperate with the scale lines on the first scale 100 and the second scale 200 to indicate the position, so that the positioning member 300 can slide quickly to a preset position along the length direction of the first adjustment groove 101 and the length direction of the second adjustment groove 201, which is more convenient to use, and has a better positioning effect on the workpiece 501 and more accurate positioning.
[0052] It should be noted that the first pointer 306 may be a groove structure, or may be formed by directly applying paint on the first gasket 305, or may be formed by protruding the end surface of the first gasket 305 to form the first pointer 306. There may be two or four first pointers 306.
[0053] In some embodiments of the present invention, Figures 1 to 3 and Figure 6 As shown, the abutment member 400 is disposed through the first adjustment groove 101 or the second adjustment groove 201, and can be slidably adjusted along the length direction of the first adjustment groove 101 or the length direction of the second adjustment groove 201. Such a configuration is not only more convenient for adjusting the distance between the abutment member 400 and the positioning member 300, but also more convenient for the abutment member 400 to abut against the adjacent surface of the surface of the oil tank 500 for installing the workpiece 501, which is more convenient to use and more practical.
[0054] In some embodiments of the present invention, Figure 3 and Figure 5 As shown, the abutment member 400 includes an abutment block 401 and an adjusting pin 402. The abutment block 401 is used to abut against the adjacent surface of the surface of the installation workpiece 501 of the oil tank 500. The adjusting pin 402 is connected to the abutment block 401. The adjusting pin 402 is set as a screw structure. One end of the adjusting pin 402 away from the abutment block 401 is inserted into the first adjusting groove 101 or the second adjusting groove 201 and is threadedly connected with a second nut 403. By loosening the second nut 403, the abutment member 400 can slide along the length direction of the first adjusting groove 101 or the length direction of the second adjusting groove 201. When the abutment member 400 slides to the preset position, the second nut 403 can be tightened, which is convenient to operate and saves time and effort.
[0055] It should be noted that the second nut 403 can be set as a butterfly nut to facilitate the rotation of the second nut 403. Of course, the second nut 403 can also be other types of nut structures, which will not be repeated here. In some other embodiments of the utility model, the abutment member 400 can also be directly fixedly connected to the first scale 100 and the second scale 200. In addition, the abutment member 400 can also be other structures. For example, the second nut 403 can be replaced with a limiter fixedly connected to the adjustment slide pin 402.
[0056] In some embodiments of the present invention, Figure 3 and Figure 5 As shown, the adjusting slide pin 402 is sleeved with a second washer 404, and the second washer 404 is located on a side of the second nut 403 close to the abutment block 401. The second washer 404 is provided with at least two second pointers 405 along the circumferential direction, and the indicating direction of the second pointer 405 is the radial direction of the second washer 404, and the indicating directions of the two adjacent second pointers 405 are perpendicular. The second washer 404 is provided to better prevent the second nut 403 from loosening and wearing. Among the two adjacent second pointers 405, the indicating direction of one second pointer 405 can extend along the length direction of the first adjusting groove 101 or the second adjusting groove 201, and the other second pointer 405 can be conveniently aligned with the scale line on the first scale 100 or the second scale 200, so as to facilitate the abutment member 400 to slide quickly to the preset position, which is more convenient to operate and saves time and effort.
[0057] It should be noted that the second pointer 405 may be a groove structure, or may be formed by directly applying paint on the second gasket 404, or may be formed by protruding the end surface of the second gasket 404 to form the second pointer 405. There may be two or four second pointers 405.
[0058] In some embodiments of the present invention, Figure 5As shown, the abutting member 400 is formed with an abutting surface 406, which is perpendicular to the sliding adjustment direction of the abutting member 400, and is used to abut against the adjacent surface of the surface of the installation workpiece 501 of the oil tank 500. The abutting surface 406 is provided, and the effect of abutting against the adjacent surface of the surface of the installation workpiece 501 of the oil tank 500 is better, thereby not only improving the positioning effect of the workpiece 501, but also further reducing the shaking of the workpiece 501, thereby improving the welding effect.
[0059] In some embodiments of the present invention, Figures 1 to 3 and Figure 6 As shown, at least two first scales 100 are provided, and at least two first scales 100 are parallel to each other; and / or at least two second scales 200 are provided, and at least two second scales 200 are parallel to each other; the staggered positions of any first adjustment groove 101 and any second adjustment groove 201 are penetrated with positioning members 300. For example, the first scale 100 can be provided with two and parallel to each other, and the second scale 200 can be provided with two and parallel to each other, so that the staggered positions of the first adjustment groove 101 and the second adjustment groove 201 are formed with four, and then four positioning members 300 can be penetrated, so that four workpieces 501 can be positioned, which is more efficient and more convenient to use.
[0060] It should be noted that the first scale 100 may be provided with at least two and the second scale 200 may be provided with one, or the second scale 200 may be provided with at least two and the first scale 100 may be provided with one, or both the first scale 100 and the second scale 200 may be provided with at least two, which will not be repeated here.
[0061] 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 the relevant technical field without departing from the purpose of the present invention.
Claims
1. A positioning tool for welding a fuel tank workpiece, used to position the workpiece when welding the workpiece to the fuel tank, characterized in that: include: A first scale having a first adjustment slot extending along a length direction of the first scale; A second scale having a second adjustment slot extending along the length direction of the second scale, the second scale being staggered with the first scale so that the second adjustment slot is staggered with the first adjustment slot; A positioning member is provided at the staggered position of the first adjusting groove and the second adjusting groove, and can be slidably adjusted along the length direction of the first adjusting groove and the length direction of the second adjusting groove, and the first scale and the second scale can be rotated and adjusted around the positioning member, and the positioning member is used to place the workpiece; At least two abutment members are respectively provided on the first scale and the second scale, and the abutment members are used to abut against adjacent surfaces of the oil tank surface on which the workpiece is mounted.
2. The positioning tool for welding a fuel tank workpiece according to claim 1, characterized in that: The positioning member comprises: A positioning slide pin is inserted into the staggered position of the first adjustment groove and the second adjustment groove, and the positioning slide pin is configured as a screw structure; A first nut, threadedly connected to the positioning slide pin; A placement portion is provided on the positioning slide pin, the placement portion and the first nut are respectively located on the side opposite to the first scale and the second scale, and the placement portion is used to place the workpiece.
3. The positioning tool for welding a fuel tank workpiece according to claim 2, characterized in that: The placement portion is set in a cylindrical shape. The placement portion is provided with a threaded hole and is threadedly connected to the positioning slide pin through the threaded hole. The placement portion is used for the workpiece to be sleeved.
4. The positioning tool for welding a fuel tank workpiece according to claim 3, characterized in that: The positioning member also includes: A limiting plate is connected to the positioning slide pin, and the placement portion is located on a side of the limiting plate that is away from the first nut.
5. The positioning tool for welding a fuel tank workpiece according to claim 2, characterized in that: The positioning member also includes: The first washer is sleeved on the positioning slide pin and located on a side of the first nut close to the seating portion. The first washer is provided with at least two first pointers along the circumferential direction. The indicating direction of the first pointers is the radial direction of the first washer, and the indicating directions of two adjacent first pointers are perpendicular to each other.
6. The positioning tool for welding a fuel tank workpiece according to any one of claims 1 to 5, characterized in that: The abutment member is disposed through the first adjustment slot or the second adjustment slot, and can be slidably adjusted along the length direction of the first adjustment slot or the length direction of the second adjustment slot.
7. The positioning tool for welding a fuel tank workpiece according to claim 6, characterized in that: The abutment member comprises: an abutment block for abutting against an adjacent surface of the oil tank on which the workpiece is mounted; An adjusting slide pin is connected to the abutment block. The adjusting slide pin is arranged as a screw structure. One end of the adjusting slide pin away from the abutment block is penetrated through the first adjusting groove or the second adjusting groove and is threadedly connected with a second nut.
8. The positioning tool for welding a fuel tank workpiece according to claim 7, characterized in that: The abutment member further comprises: The second washer is sleeved on the adjusting slide pin and located on the side of the second nut close to the abutment block. The second washer is provided with at least two second pointers along the circumferential direction. The indicating direction of the second pointers is the radial direction of the second washer, and the indicating directions of two adjacent second pointers are perpendicular to each other.
9. The positioning tool for welding a fuel tank workpiece according to claim 6, characterized in that: The abutment member is formed with an abutment surface, the abutment surface being perpendicular to a sliding adjustment direction of the abutment member, and the abutment surface being used to abut against an adjacent surface of the oil tank on which the workpiece is mounted.
10. The positioning tool for welding a fuel tank workpiece according to any one of claims 1 to 5, characterized in that: There are at least two first scales, and the at least two first scales are parallel to each other; and / or, There are at least two second scales, and the at least two second scales are parallel to each other; The positioning piece is disposed at the staggered position of any one of the first adjustment grooves and any one of the second adjustment grooves.