Curved part welding and fixing tool

By designing a welded fixed tooling for curved parts including lever drive cylinder and triangular distributed press holder, the problems of complex structure, high cost and single applicability of fixed tools in the prior art are solved, and the rapid and fast curved parts are achieved. Strong adaptability fixation.

CN222429781UActive Publication Date: 2025-02-07SHENYANG LAIJIN AUTOMOBILE PARTS
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Patent Information

Application Number
CN202421051595.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-02-07
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

In the prior art, the clamping and fixing tooling for welding curved parts has a complex structure, high cost and single applicability.

Method used

A curved piece welded fixing tool is provided, including a first support part and a second support part arranged at intervals. The top of the first support part is provided with two support bodies of different heights, and the lever drive cylinder is arranged on the second support part. , the press rod is driven to swing back and forth, so that the press holder body distributed in a triangle can be adapted to the top surface of the curved member at different positions, and can achieve rapid fixation through the joint clamping of the upper and lower five points.

Benefits of technology

The tooling does not require a contoured design clamp, which saves the processing cost of the tooling. Due to the driving of the lever drive cylinder, the distance of the pressing rod can be adaptively adjusted, and is adapted to curved parts of different curved shapes, which is highly adaptable.

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Abstract

The utility model relates to the technical field of welding equipment, in particular to a curved piece welding fixing tool which comprises a first supporting part and a second supporting part which are arranged at intervals, two supporting bodies are arranged at the top of the first supporting part, and the heights of the top ends of the two supporting bodies are different. The lever driving cylinder is arranged on the side, away from the first supporting part, of the second supporting part, a lever of the lever driving cylinder is located at the top of the second supporting part and connected with the pressing rod, and the pressing rod extends to the position above the top of the first supporting part. A first pressing body and two second pressing bodies which are distributed in a triangular shape are arranged on the side, facing the top of the first supporting part, of the pressing rod, and the pressing ends of the second pressing bodies are lower than the pressing end of the first pressing body; the lever driving cylinder can drive the pressing rod to swing back and forth, so that the first pressing body and the second pressing body are close to or away from the top of the first supporting part. The problems that an existing clamping and fixing tool for curved part welding is complex in structure, high in cost and single in applicability can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a curved piece welding fixing tool. Background Art

[0002] A car is made up of more than 10,000 parts and is a complex mechanical body. In order for this complex mechanical body to run stably and safely, the quality of each component needs to be guaranteed.

[0003] In the prior art, automobiles need to use some curved parts, and many of the curved parts are formed by welding two or more curved parts together, or by welding a curved part and a straight part together. In order to ensure that the shape and size of these curved parts meet the quality requirements, the prior art needs to fix the curved parts to be welded when welding these curved parts, and then use a robot for welding.

[0004] However, the inventors found that in the prior art, a structure that fits the curved shape of the curved piece is processed in a pseudo-contour manner, and the curved piece is clamped and fixed using the structure. This fixing structure is complex to process, has high cost, and has a single applicability. Therefore, this technical problem needs to be solved urgently. Utility Model Content

[0005] The utility model aims to provide a curved piece welding fixing tool, so as to solve the problems of complex structure, high cost and single applicability of the current curved piece welding clamping and fixing tool.

[0006] In order to solve the above technical problems, the utility model provides a curved piece welding fixing tool, comprising: a first support portion and a second support portion arranged at intervals, two support bodies are arranged on the top of the first support portion, and the top ends of the two support bodies have different heights;

[0007] The lever-driven cylinder is arranged on a side of the second supporting part away from the first supporting part, the lever of the lever-driven cylinder is located at the top of the second supporting part and connected to the pressure rod, and the pressure rod extends to above the top of the first supporting part;

[0008] Wherein, a first pressing body and two second pressing bodies distributed in a triangular shape are arranged on one side of the pressing rod toward the top of the first supporting part, and the pressing end of the second pressing body is lower than the pressing end of the first pressing body;

[0009] The lever driving cylinder can drive the pressing rod to swing back and forth, so that the first pressing body and the second pressing body are close to or away from the top of the first supporting part.

[0010] In some embodiments, the second pressing body extends toward the top of the first supporting portion in a curved manner.

[0011] In some embodiments, the ends of the pressing ends of the two second pressing bodies are flat surfaces;

[0012] Alternatively, the ends of the pressing ends of the two second pressing bodies are in a sawtooth shape.

[0013] In some embodiments, the pressure rod is T-shaped, and one end of the long side of the T-shaped pressure rod is detachably connected to the lever of the lever driving cylinder, and a plurality of first through holes are arranged at intervals on the long side, and the second pressure holding body is detachably connected to the pressure rod by bolts passing through the first through holes, and a plurality of second through holes are arranged at intervals on the short side of the T-shaped pressure rod, and the first pressure holding body is detachably connected to the pressure rod by bolts passing through the second through holes.

[0014] In some embodiments, the top end of one of the two supporting bodies is a plane with a preset area; or, the top end of one of the two supporting bodies is an elongated strip, and the elongated top end extends from the first supporting portion to the second supporting portion.

[0015] Compared with the prior art, the utility model provides a curved part welding and fixing tooling, in which two support bodies of different heights arranged on the top of the first support part can support the bottom surface of the curved part, and at the same time, the lever-driven cylinder arranged on the second support part can drive the pressure rod to press the top surface of the curved part at the top of the first support part, and the two second pressing bodies distributed in a triangle arranged on the pressure rod are lower than the pressing end of the first pressing body, so that they can be adaptively pressed at different positions on the top surface of the curved part, and then the curved part can be quickly fixed by clamping together at five upper and lower points. In summary, since the curved part welding and fixing tooling provided by the utility model does not require a contoured design of the clamping parts, the processing cost of the tooling is saved; in addition, since the pressure rod is driven by the lever-driven cylinder to swing, the downward pressing distance of the pressure rod can be adaptively adjusted to adapt to the pressing of curved parts with different curved shapes, and the adaptability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments disclosed by the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments disclosed by the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a first-view structural diagram of a curved part welding fixture;

[0018] Figure 2 It is a second-view structural diagram of a curved piece welding fixture;

[0019] Figure 3It is a third-view structural diagram of the curved part welding fixture.

[0020] Description of Reference Numerals

[0021] 1. First support part; 11. Support body; 2. Second support part; 3. Lever drive cylinder; 4. Pressure rod; 41. First pressure holding body; 42. Second pressure holding body; 43. Long side; 431. First through hole; 44. Short side; 441. Second through hole; 5. Curved part. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the embodiments disclosed in the present application in conjunction with the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to exemplarily illustrate the principles disclosed in the present application, but cannot be used to limit the scope of the present application. The present application can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0023] The present application discloses and provides these embodiments in order to make the present application disclosed thoroughly and completely, and to fully express the scope disclosed in the present application to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0024] It should be noted that, in the description disclosed in this application, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing the disclosure of this application and simplifying the description, and do not indicate or imply 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 disclosure of this application. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] In addition, the words "first", "second" and similar words used in the disclosure of this application do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of also including other elements.

[0026] It should also be noted that in the description disclosed in this application, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the disclosure of this application can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0027] All terms used in this application disclosure have the same meanings as those understood by those of ordinary skill in the art to which this application disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as those in general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0028] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered part of the specification.

[0029] like Figure 1-Figure 3 As shown, a curved part welding and fixing tool comprises: a first support part 1 and a second support part 2 arranged at intervals, two support bodies 11 are arranged on the top of the first support part 1, and the top ends of the two support bodies 11 are at different heights; a lever-driven cylinder 3 is arranged on the side of the second support part 2 away from the first support part 1, and the lever of the lever-driven cylinder 3 is located at the top of the second support part 2 and connected to a pressure rod 4, and the pressure rod 4 extends to above the top of the first support part 1; wherein, a first pressing body 41 and two second pressing bodies 42 distributed in a triangular shape are arranged on the side of the pressure rod 4 facing the top of the first support part 1, and the pressing end of the second pressing body 42 is lower than the pressing end of the first pressing body 41; the lever-driven cylinder 3 can drive the pressure rod 4 to swing back and forth, so that the first pressing body 41 and the second pressing body 42 are close to or away from the top of the first support part 1.

[0030] Specifically, the first support part 1 and the second support part 2 can be any form of support structure, such as a frame, a block, etc., and for the convenience of installation in actual production, through holes or bolt holes can be set on the top of the first support part 1 and the second support part 2 to facilitate installation on a machine table or a work platform.

[0031] The two supports 11 of different heights can be detachably connected to the top of the first support part 1 according to actual use needs, for example, by a snap connection or a bolt connection; the two supports 11 of different heights can be arranged opposite to the first pressing body 41 or the second pressing body 42, or can be arranged opposite to each other. The supports 11 can be in various shapes such as plates, blocks, strips, columns, etc. The top support end of the supports 11 can be a plane, a curved surface, or a serrated surface. A flexible layer or an anti-scratch layer can also be arranged on the top support end of the supports 11 to protect the curved member 5.

[0032] The first pressing body 41 and the pressing body can be in various shapes such as plate, block, strip, column, etc. The top supporting end of the support body 11 can be a plane, a curved surface or a serrated surface. In order to protect the curved part 5, a flexible layer or an anti-scratch layer can be set at the top supporting end of the support body 11.

[0033] The lever-driven cylinder 3 can be purchased and can be a lever air cylinder, a lever hydraulic cylinder, or a lever electric cylinder, and the specific form can be determined according to the energy form of the production site.

[0034] The curved piece welding and fixing tool provided by the utility model has two support bodies 11 of different heights arranged on the top of the first support part 1, which can support the bottom surface of the curved piece 5. At the same time, the lever-driven cylinder 3 arranged on the second support part 2 can drive the pressure rod 4 to press the top surface of the curved piece 5 at the top of the first support part 1, and the two second pressing bodies 42 arranged on the pressure rod 4 in a triangular distribution are lower than the pressing end of the first pressing body 41, so that they can be adaptively pressed at different positions on the top surface of the curved piece 5, and then the curved piece 5 can be quickly fixed by clamping together at five upper and lower points. In summary, since the curved piece welding and fixing tool provided by the utility model does not require a contoured design of the clamping parts, the processing cost of the tool is saved; in addition, since the pressure rod 4 is driven by the lever-driven cylinder 3 to swing, the downward pressing distance of the pressure rod 4 can be adaptively adjusted to adapt to the pressing of curved pieces 5 with different bending shapes, and the adaptability is strong.

[0035] In some embodiments of the present invention, the second pressing body 42 extends toward the top of the first supporting portion 1 in a curved manner.

[0036] Specifically, the second pressing body 42 is preferably extended in an arc shape toward the top of the first supporting portion 1, and the bending directions of the two second pressing bodies 42 can be the same or different. Such a curved extension of the second pressing body 42 can avoid the curved position of the curved member 5 and can be adapted to a variety of curved members 5.

[0037] In some embodiments of the present invention, the ends of the pressing ends of the two second pressing bodies 42 are flat; or, the ends of the pressing ends of the two second pressing bodies 42 are sawtooth-shaped.

[0038] In some embodiments of the utility model, the pressure rod 4 is T-shaped, one end of the long side 43 of the T-shaped pressure rod 4 is detachably connected to the lever of the lever driving cylinder 3, a plurality of first through holes 431 are arranged at intervals on the long side 43, the second pressure holding body 42 is detachably connected to the pressure rod 4 by passing bolts through the first through holes 431, a plurality of second through holes 441 are arranged at intervals on the short side 44 of the T-shaped pressure rod 4, the first pressure holding body 41 is detachably connected to the pressure rod 4 by passing bolts through the second through holes 441.

[0039] Specifically, by setting the pressure rod 4 to be T-shaped and detachably connected to the lever, the pressure rod 4 and the first pressure holding body 41 and the second pressure holding body 42 located on the pressure rod 4 can form a module, and multiple modules can be set to adapt to clamping curved parts 5 of various shapes; the long side 43 and the short side 44 of the T-shaped pressure rod 4 are respectively provided with multiple through holes, and the clamping of curved parts 5 of various shapes can be further achieved by adjusting the connection between the first pressure holding body 41 and the second pressure holding body 42 and different through holes.

[0040] In some embodiments of the present invention, the top end of one of the two support bodies 11 is a plane with a preset area; or the top end of one of the two support bodies 11 is elongated, and the elongated top end extends from the first support portion 1 to the second support portion 2.

[0041] Specifically, by setting a plane with a preset area at the top of one support body 11, the curved piece 5 can be better supported, and the preset area can be specifically set according to actual needs, for example, one square centimeter. The top of one support body 11 is set to be a strip, so that it forms a triangular support structure with the top of another support body 11, so that the curved piece 5 can be supported and placed relatively stably.

[0042] It should be noted that even if the tops of the two support bodies 11 are in contact with and support the curved piece 5 in a point-supported manner, a good clamping of the curved piece 5 can be achieved by cooperating with a first pressing body 41 and two second pressing bodies 42 distributed in a triangle; and there is no need to worry about the curved piece 5 falling when placing the curved piece 5 on the support body 11, that is, when the tops of the two support bodies 11 are point-supported structures, when placing the curved piece 5, after the first pressing body 41 and the second pressing body 42 press and clamp the curved piece 5, the device or robot arm for placing the curved piece 5 can be withdrawn.

[0043] So far, the various embodiments disclosed in the present utility model have been described in detail. In order to avoid obscuring the concept disclosed in the present utility model, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0044] Although some specific embodiments disclosed in the present utility model have been described in detail through examples, it should be understood by those skilled in the art that the above examples are only for illustration and not for limiting the scope of the present utility model. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present utility model. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments may be combined in any manner.

Claims

1. The curved part welding fixture is characterized by: include: A first support portion (1) and a second support portion (2) are arranged at intervals, two support bodies (11) are arranged on the top of the first support portion (1), and the top ends of the two support bodies (11) are at different heights; A lever-driven cylinder (3) is arranged on a side of the second support portion (2) away from the first support portion (1); a lever of the lever-driven cylinder (3) is located at the top of the second support portion (2) and is connected to a pressure rod (4); and the pressure rod (4) extends to above the top of the first support portion (1); A first pressing body (41) and two second pressing bodies (42) distributed in a triangular shape are arranged on one side of the pressing rod (4) facing the top of the first supporting portion (1), and the pressing end of the second pressing body (42) is lower than the pressing end of the first pressing body (41); The lever drive cylinder can drive the pressure rod to swing back and forth, so that the first pressure holding body (41) and the second pressure holding body (42) are close to or away from the top of the first support part (1).

2. The curved piece welding and fixing tool according to claim 1, characterized in that: The second pressing body (42) extends in a curved manner toward the top of the first supporting portion (1).

3. The curved piece welding and fixing tool according to claim 1 or 2, characterized in that: The ends of the pressing ends of the two second pressing bodies (42) are flat; or the ends of the pressing ends of the two second pressing bodies (42) are sawtooth-shaped.

4. The curved piece welding and fixing tool according to claim 1, characterized in that: The pressure rod (4) is T-shaped, one end of the long side (43) of the T-shaped pressure rod is detachably connected to the lever of the lever driving cylinder (3), a plurality of first through holes (431) are arranged at intervals on the long side (43), two second pressure holding bodies (42) are detachably connected to the pressure rod (4) by bolts passing through the first through holes (431), a plurality of second through holes (441) are arranged at intervals on the short side (44) of the T-shaped pressure rod (4), and the first pressure holding body (41) is detachably connected to the pressure rod (4) by bolts passing through the second through holes (441).

5. The curved piece welding and fixing tool according to claim 1, characterized in that: The top end of one of the two supporting bodies (11) is a plane with a preset area; or, the top end of one of the two supporting bodies (11) is in the shape of an elongated strip, and the elongated top end extends in the direction from the first supporting portion (1) to the second supporting portion (2).