Automobile part welding fixture
By designing a multi-component collaborative clamping mechanism, the problem that existing fixtures are difficult to clamp out-of-tolerance exhaust pipes is solved, efficient welding fixation is achieved, the welding scrap rate is reduced, and product quality is improved.
Patent Information
- Application Number
- CN202421685506.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-07-17
AI Technical Summary
When welding exhaust pipes, existing fixtures are unable to effectively clamp and fix exhaust pipes of various out-of-tolerance sizes, resulting in a high welding scrap rate and affecting product quality.
A welding fixture for automobile parts is designed, which includes a clamping mechanism on a base plate, including a first clamping component for clamping the exhaust pipe flange, a second clamping component for clamping the outer wall of the exhaust pipe, and a third clamping component for tightening the exhaust pipe orifice. Through the coordinated action of these components, the exhaust pipe can be firmly and accurately clamped and fixed.
It effectively reduces the welding scrap rate, improves the welding quality and quality of the product, and ensures the accuracy and stability of clamping.
Smart Images
Figure CN223455422U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding fixture equipment technical field, concretely relates to a kind of automobile parts welding fixture. BACKGROUND
[0002] Clamp is the device for fixing machining object, making it occupy correct position to accept construction or detection in the process of mechanical manufacturing, also called fixture. In broad sense, the device for quickly, conveniently and safely installing workpiece in process is also called clamp, and clamp is usually composed of positioning element, clamping device, tool guiding element, indexing device, connecting element and clamp body, and welding fixture is used to ensure the size of welded part, improve assembly accuracy and efficiency, and prevent welding deformation.
[0003] When welding exhaust pipe, clamp is usually used to clamp and fix it. Since there is certain error in the casting process of exhaust pipe, the current hydraulic or pneumatic clamp either clamps the product and causes damage to the product due to the oversize of the product, or the clamping degree of the clamp does not meet the welding requirement due to the undersize of the product, which greatly increases the scrap rate of exhaust pipe during welding operation and greatly affects the quality of product. SUMMARY
[0004] Therefore, the utility model provides a kind of automobile parts welding fixture, can be realized the firm accurate clamping and fixing operation of various over-dimension exhaust pipes in certain range by the clamping and clamping mechanism arranged on base plate, ensure product welding quality, greatly reduce the scrap rate of product, improve the quality of product.
[0005] To solve the above technical problems, the utility model provides a kind of automobile parts welding fixture, including the base plate installed on rotary table, the base plate is U-shaped, and a plurality of through holes are respectively formed in the left and right sides of the base plate, the clamping and clamping mechanism for adjusting according to the actual size of product itself is arranged on the base plate, the clamping and clamping mechanism includes the first clamping assembly for clamping the flange plate of exhaust pipe arranged on the upper part of horizontal part of base plate, the second clamping assembly for clamping the outer lateral wall of exhaust pipe and the third clamping assembly for tightly pressing the exhaust port of exhaust pipe, the utility model can realize the clamping and fixing of flange plate of exhaust pipe by the first clamping assembly, realize the clamping and fixing of outer lateral wall of exhaust pipe by the second clamping assembly, realize the tightly pressing operation of pipe port of exhaust pipe by the third clamping assembly, which is convenient for realizing the firm accurate clamping and fixing operation of various over-dimension exhaust pipes in certain range, ensuring product welding quality, greatly reducing the scrap rate of product and improving the quality of product.
[0006] The first clamping assembly comprises a first fixed vertical plate arranged on the upper part of the horizontal part of the base plate, a first linear cylinder is arranged on the first fixed vertical plate, a cylinder rod of the first linear cylinder is fixed on the first fixed vertical plate, first arc-shaped pressing plates are respectively hingedly arranged on the left and right sides of the cylinder body of the first linear cylinder, arc-shaped sliding grooves are arranged on the first arc-shaped pressing plates, a hinge seat is arranged on the outer side of the first fixed vertical plate, a hinge shaft is arranged on the hinge seat, the hinge shaft penetrates and is slidingly arranged in the arc-shaped sliding groove, and a first pressing head is detachably arranged on the head of the first arc-shaped pressing plate.
[0007] The second clamping assembly comprises a second fixed plate arranged on the upper part of the horizontal part of the base plate, a V-shaped supporting plate is arranged on the inner side of the second fixed plate, a second linear cylinder is arranged on the second fixed plate, the first linear cylinder and the second linear cylinder are both hydraulic cylinders, a second pressing plate is hingedly arranged on the upper part of the cylinder rod of the second linear cylinder, a hinge plate is arranged on the second pressing plate, the other end of the hinge plate is hingedly arranged on the second fixed plate, a second pressing head is detachably arranged on the head of the second pressing plate, and the materials of the first pressing head and the second pressing head are both copper, which can avoid bruising the exhaust pipe.
[0008] The third clamping assembly comprises a third fixed plate arranged on the upper part of the horizontal part of the base plate, a screw rod is threadedly connected to the third fixed plate, a fixing cylinder for fixing the exhaust port of the exhaust pipe is arranged at the end of the screw rod, and a rotating handle is arranged at the other end of the screw rod.
[0009] Compared with the prior art, the present application has at least one of the following beneficial technical effects:
[0010] 1. The utility model can realize the clamping and fixing of the flange plate of the exhaust pipe through the first clamping assembly, realize the clamping and fixing of the outer side wall of the exhaust pipe through the second clamping assembly, realize the clamping operation of the pipe opening of the exhaust pipe through the third clamping assembly, facilitate the firm and accurate clamping and fixing operation of various out-of-tolerance size exhaust pipes within a certain range, ensure the product welding quality, greatly reduce the product scrap rate, and improve the product quality.
[0011] 2. The utility model can realize the pressing operation of the flange of the exhaust pipe placed in the inner side of the first fixed vertical plate through the extension of the cylinder rod of the first linear cylinder, and rotate the first arc-shaped pressing plate along the hinged shaft at the same time, in the process, due to the action of the arc-shaped sliding groove, the pressing plate and the arc-shaped sliding groove will slide along the first hinged shaft at the same time, and the first arc-shaped pressing plate rotates.
[0012] 3. The utility model can realize the pressing operation of the flange of the exhaust pipe placed in the V-shaped groove of the V-shaped support plate through the extension of the cylinder rod of the second linear cylinder, and rotate the first arc-shaped pressing plate along the hinged part of the hinged plate to press the outer side wall of the exhaust pipe.
[0013] 4. The utility model can realize the clamping and fixing operation of the length direction of the exhaust pipe by rotating the rotating handle to drive the screw rod to rotate and push the fixed cylinder to move to the end close to the exhaust port of the exhaust pipe to extrude and seal the exhaust port of the exhaust pipe, and it is more convenient. DRAWINGS
[0014] Figure 1 It is the structure schematic view of the utility model automobile part welding fixture and clamping good exhaust pipe;
[0015] Figure 2 It is the structure enlarged view of the utility model A place;
[0016] Figure 3 It is the structure enlarged view of the utility model B place;
[0017] Figure 4 It is the structure enlarged view of the utility model C place.
[0018] Explanation of reference signs: 100, substrate; 200, clamping clamping mechanism; 210, first clamping assembly; 211, first fixed vertical plate; 212, first linear cylinder; 213, first arc-shaped pressing plate; 214, arc-shaped sliding groove; 215, hinged seat; 216, hinged shaft; 217, first pressing head; 220, second clamping assembly; 221, second fixed plate; 222, V-shaped support plate; 223, second linear cylinder; 224, second pressing plate; 225, hinged plate; 226, second pressing head; 230, third clamping assembly; 231, third fixed plate; 232, screw rod; 233, fixed cylinder; 234, rotating handle. DETAILED DESCRIPTION
[0019] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the following will combine the drawings of the embodiments of the present application to make a detailed description. Figures 1-4 The technical scheme of the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.
[0020] As Figures 1-4 shown: the present embodiment provides a kind of automobile parts welding fixture, including the substrate 100 installed on rotary table, substrate 100 is U type, substrate 100 left and right sides are respectively provided with a plurality of through holes, substrate 100 is provided with the clamping clamping mechanism 200 for being adjusted according to the actual size of product itself, clamping mechanism includes the first clamping assembly 210 for being clamped to the flange of exhaust pipe on the upper part of the horizontal part of substrate 100, the second clamping assembly 220 for the outer lateral wall of exhaust pipe is clamped and the third clamping assembly 230 for the exhaust port of exhaust pipe is tightly pressed, the present application can be realized by the first clamping assembly 210 to the flange of exhaust pipe is clamped and fixed, by the second clamping assembly 220 to the outer lateral wall of exhaust pipe is clamped and fixed, by the third clamping assembly 230 to the pipe opening of exhaust pipe is tightly pressed operation, it is convenient to realize the firm and accurate clamping and fixing operation of various over-dimensioned exhaust pipes in certain range, guarantee product welding quality, greatly reduce the product scrap rate, improve the quality of product.
[0021] According to one embodiment of the present application, as Figure 1 and Figure 2As shown in the first clamping assembly 210 includes a first fixed vertical plate 211 arranged on the horizontal part of the base plate 100, a first linear cylinder 212 is arranged on the first fixed vertical plate 211, the cylinder rod of the first linear cylinder 212 is fixed on the first fixed vertical plate 211, the left and right sides of the cylinder body of the first linear cylinder 212 are respectively hingedly provided with a first arc-shaped pressing plate 213, an arc-shaped sliding groove 214 is formed in the first arc-shaped pressing plate 213, a hinge seat 215 is arranged on the outside of the first fixed vertical plate 211, a hinge shaft 216 is arranged on the hinge seat 215, the hinge shaft 216 penetrates and is slidingly arranged in the arc-shaped sliding groove 214, and a first pressing head 217 is detachably arranged on the head of the first arc-shaped pressing plate 213, the arc-shaped sliding groove 214 on the first arc-shaped pressing plate 213 and the hinge shaft 216 on the hinge seat 215 can guide the first arc-shaped pressing plate 213, the hinge seat 215 can limit the hinge shaft 216, the first linear cylinder 212 can push the first arc-shaped pressing plate 213 to rotate along the hinge shaft 216, and the flange of the exhaust pipe placed on the inside of the first fixed vertical plate 211 can be pressed tightly, and in the process, the pressing plate and the arc-shaped sliding groove 214 can slide along the first hinge shaft 216 while the first arc-shaped pressing plate 213 rotates.
[0022] According to an embodiment of the utility model, Figure 1 and Figure 3 As shown in the second clamping assembly 220 includes a second fixed plate 221 arranged on the horizontal part of the base plate 100, a V-shaped support plate 222 is arranged on the inside of the second fixed plate 221, a second linear cylinder 223 is arranged on the second fixed plate 221, the first linear cylinder 212 and the second linear cylinder 223 are all hydraulic cylinders, a second pressing plate 224 is hingedly arranged on the upper part of the cylinder rod of the second linear cylinder 223, a hinge plate 225 is arranged on the second pressing plate 224, the other end of the hinge plate 225 is hingedly arranged on the second fixed plate 221, a second pressing head 226 is detachably arranged on the head of the second pressing plate 224, and the materials of the first pressing head 217 and the second pressing head 226 are both copper, which can avoid bruising the exhaust pipe, the outside wall of the exhaust pipe can be placed in the V-shaped groove of the V-shaped support plate 222, the cylinder rod of the second linear cylinder 223 is extended, the second pressing plate 224 rotates along the hinge part of the hinge plate 225 to press the outside wall of the exhaust pipe under the action of the cylinder rod of the second linear cylinder 223.
[0023] According to an embodiment of the utility model, Figure 1 and Figure 4As shown, the third clamping assembly 230 includes a third fixed plate 231 arranged on the upper part of the horizontal part of the base plate 100, a screw rod 232 is threadedly connected to the third fixed plate 231, a fixing cylinder 233 for fixing the exhaust port of the exhaust pipe is arranged at the end of the screw rod 232, and a rotating handle 234 is arranged at the other end of the screw rod 232, the utility model can realize the clamping and fixing operation of the length direction of the exhaust pipe by rotating the rotating handle 234 to drive the screw rod 232 to rotate to push the fixing cylinder 233 to move to the end close to the exhaust port of the exhaust pipe to extrude and seal the exhaust port of the exhaust pipe, thereby realizing the clamping and fixing operation of the length direction of the exhaust pipe, and being more convenient.
[0024] The use method of the utility model:
[0025] First of all, it needs to be clear that the welding fixture involved in the utility model is mainly used for clamping and fixing the tubular elbow pipe with a flange during the clamping and fixing operation in the welding process, and the utility model takes the exhaust pipe as an example to elaborate the use method in detail, when the welding operation of the exhaust pipe is needed, first of all, the clamping and fixing operation is carried out, the operation places the exhaust pipe to be welded in the V-shaped groove of the V-shaped support plate 222, then the flange end is pasted to the first fixed plate, then the cylinder rod of the first linear cylinder 212 and the second linear cylinder 223 is simultaneously started to extend, under the extension of the cylinder rod of the first linear cylinder 212, the first arc-shaped pressing plate 213 is pushed to rotate along the hinge shaft 216 to realize the pressing operation of the flange of the exhaust pipe placed in the inner side of the first fixed vertical plate 211, at the same time, under the extension of the cylinder rod of the second linear cylinder 223, the second pressing plate 224 is additionally hinged to the cylinder rod and hinged to the hinge plate 225, the second pressing plate 224 is rotated along the hinge part of the hinge plate 225 to press the outer side wall of the exhaust pipe, then the operator rotates the rotating handle 234, the rotation of the rotating handle 234 can drive the screw rod 232 to rotate to push the fixing cylinder 233 to move to the end close to the exhaust port of the exhaust pipe to extrude and seal the exhaust port of the exhaust pipe, thereby realizing the clamping and fixing operation of the length direction of the exhaust pipe, the utility model can realize the clamping and fixing of the flange plate of the exhaust pipe through the first clamping assembly 210, realize the clamping and fixing of the outer side wall of the exhaust pipe through the second clamping assembly 220, and realize the pressing operation of the pipe opening of the exhaust pipe through the third clamping assembly 230, so that the firm and accurate clamping and fixing operation of various out-of-tolerance size exhaust pipes within a certain range is realized, the product welding quality is guaranteed, the product scrap rate is greatly reduced, and the product quality is improved.
[0026] In addition, it needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles described in the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.
Claims
1. An automotive part welding fixture comprising a base plate (100) mounted on a turntable, characterized in that, The substrate (100) is U-shaped, a plurality of through holes are formed on the left and right sides of the substrate (100), a clamping and clamping mechanism (200) is arranged on the substrate (100) and is convenient for adjusting according to the actual size of the product, the clamping and clamping mechanism comprises a first clamping assembly (210) arranged on the upper part of the horizontal part of the substrate (100) and used for clamping the flange plate of the exhaust pipe, a second clamping assembly (220) used for clamping the outer wall of the exhaust pipe, and a third clamping assembly (230) used for clamping the exhaust port of the exhaust pipe.
2. The automotive part welding fixture of claim 1, wherein: The first clamping assembly (210) comprises a first fixed vertical plate (211) arranged on the upper part of the horizontal part of the substrate (100), a first linear cylinder (212) is arranged on the first fixed vertical plate (211), the cylinder rod of the first linear cylinder (212) is fixed on the first fixed vertical plate (211), first arc-shaped pressing plates (213) are hingedly arranged on the left and right sides of the cylinder body of the first linear cylinder (212), arc-shaped sliding grooves (214) are formed in the first arc-shaped pressing plates (213), a hinged seat (215) is arranged on the outer side of the first fixed vertical plate (211), a hinge shaft (216) is arranged on the hinged seat (215), the hinge shaft (216) penetrates and slidably arranged in the arc-shaped sliding grooves (214), and first pressing heads (217) are detachably arranged on the heads of the first arc-shaped pressing plates (213).
3. The automotive part welding fixture of claim 2, wherein: The second clamping assembly (220) comprises a second fixed plate (221) arranged on the upper part of the horizontal part of the substrate (100), a V-shaped supporting plate (222) is arranged on the inner side of the second fixed plate (221), a second linear cylinder (223) is arranged on the second fixed plate (221), a second pressing plate (224) is hingedly arranged on the upper part of the cylinder rod of the second linear cylinder (223), a hinge plate (225) is arranged on the second pressing plate (224), the other end of the hinge plate (225) is hingedly arranged on the second fixed plate (221), and second pressing heads (226) are detachably arranged on the heads of the second pressing plate (224).
4. The automotive part welding fixture of claim 3, wherein: The third clamping assembly (230) comprises a third fixed plate (231) arranged on the upper part of the horizontal part of the substrate (100), a screw rod (232) is threadedly connected to the third fixed plate (231), a fixing cylinder (233) for fixing the exhaust port of the exhaust pipe is arranged at the end of the screw rod (232), and a rotating handle (234) is arranged at the other end of the screw rod (232).
5. The automotive part welding fixture of claim 4, wherein: The first linear cylinder (212) and the second linear cylinder (223) are both hydraulic oil cylinders.
6. The automotive part welding fixture of claim 5, wherein: The materials of the first pressing heads (217) and the second pressing heads (226) are both copper.