Riveting and fixing device for pipe fitting and flange
By designing a riveting fixture for pipe fittings and flanges, first riveting and then brazing, the problem of burning through the exhaust manifold in the welding process is solved, and the stability and quality of the product are improved.
Patent Information
- Application Number
- CN202421767446.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The existing exhaust manifolds are prone to burn through due to thin walls during welding, resulting in damage to the manifold.
A riveting fixing device for pipe fittings and flanges is designed, and the flange fixing assembly, pipe fitting positioning assembly and riveting assembly are first riveted and then brazed to avoid burning through the manifold.
Through the riveting fixture, the exhaust manifold burns through during the welding process is effectively avoided, and the stability and quality of the product are improved.
Smart Images
Figure CN222902387U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a riveting and fixing device for pipe fittings and flanges, belonging to the field of automobile part processing. Background Art
[0002] The exhaust manifold is a commonly used structural part in automobiles, mainly applicable to the exhaust of automobiles.
[0003] The existing exhaust manifolds mainly include pipe fittings and flanges. The pipe fittings and flanges are first welded by MIG method, and then sent to the next process for brazing.
[0004] However, due to the generally thin exhaust manifold, after the above process, it is easy to burn through the pipe fittings and damage the manifold. To solve this problem, this solution designs a riveting and fixing device for pipe fittings and flanges, which rivets the pipe fittings and flanges before brazing, and then performs brazing to avoid the phenomenon of the manifold being burned through. Content of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a riveting and fixing device for pipe fittings and flanges to solve the problems.
[0006] To achieve the above purpose, the utility model is realized through the following technical solutions: a riveting and fixing device for pipe fittings and flanges, including a flange fixing component, a pipe fitting positioning component, a riveting component, and a base; the flange fixing component is used to detachably fasten the flange to the base; the pipe fitting positioning component is used to drive the pipe fitting to dock with the flange and press the pipe fitting tightly into the flange; the riveting component acts on the pipe fitting inserted into the flange to rivet the pipe fitting and the flange.
[0007] Preferably, the flange fixing component includes a pressing tongue arranged on the base and a first driving part for driving the pressing tongue to lift and lower; the first driving part drives the pressing tongue to move downward to tightly press the flange.
[0008] Preferably, the pipe fitting positioning component includes a first positioning component, and the first positioning component limits the movement path of the pipe fitting.
[0009] Preferably, the first positioning component includes a linear slide rail, a sliding seat, and a sleeve; the sleeve is fixedly installed on the sliding seat; the sliding seat is installed on the linear slide rail to make the sleeve move along the linear slide rail.
[0010] Preferably, the sleeve is hollow for a kit to be inserted.
[0011] Preferably, a handle is arranged on the sliding seat.
[0012] Preferably, the pipe fitting positioning assembly includes a second positioning assembly which is inserted into the pipe fitting for positioning the direction of the pipe fitting inserted into the flange.
[0013] Preferably, the second positioning assembly includes a socket and a plug rod. The plug rod penetrates through the socket and is inserted into the pipe fitting.
[0014] Preferably, the riveting assembly includes a plurality of riveting blocks, a convex shaft and a second driving member. The convex shaft is arranged on the axis of the plurality of annularly arranged riveting blocks. The top of the convex shaft is wide and the bottom is narrow. When the second driving member drives the convex shaft to contract, the convex shaft abuts against the riveting blocks, causing the plurality of riveting blocks to move outwards, thereby squeezing the pipe fitting and the flange.
[0015] Preferably, the outer side of the riveting block is wrapped by a frustum which is arranged on the base and makes the riveting block protrude from the base table surface. A sliding groove for installing the riveting block is arranged inside the frustum, enabling the riveting block to move along the sliding groove.
[0016] Advantageous Effects
[0017] The present utility model relies on the flange fixing assembly to realize the fastening of the flange, thus eliminating the need for manual support. Then, the pipe fitting positioning assembly is used to insert the pipe fitting along a predetermined path and position the insertion direction, achieving a unified specification and model for the product. The riveting assembly is utilized to quickly complete the riveting of the two, with a simple and practical structure. Brief Description of the Drawings
[0018] Other features, purposes and advantages of the present utility model will become more obvious by reading the following detailed description of non-restrictive embodiments with reference to the accompanying drawings:
[0019] Figure 1 is a schematic structural view of a device for riveting and fixing a pipe fitting and a flange according to the present utility model;
[0020] Figure 2 for the present utility model Figure 1 is a top view structural schematic;
[0021] Figure 3 is a schematic structural view of the riveting assembly of the present utility model;
[0022] Figure 4 is a three-dimensional structural schematic of the riveting assembly of the present utility model;
[0023] Figure 5 is a cross-sectional structural schematic of the riveting assembly of the present utility model. Detailed Embodiments
[0024] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0025] Please refer to Figures 1-5 , the present utility model provides a technical solution for a riveting and fixing device for pipe fittings and flanges: including a flange fixing component 2, a pipe fitting positioning component, a riveting component 7, and a base 1;
[0026] The flange fixing component 2 is used to detachably fasten the flange 5 to the base 1; preferably, the flange fixing component 2 includes a pressing tongue 22 arranged on the base 1 and a first driving member 21 for driving the pressing tongue 22 to move up and down; the first driving member 21 drives the pressing tongue 22 to move downwards, so that the pressing tongue 22 tightly presses the flange 5. In one embodiment, the flange 5 is placed on the base 1, and then two flange fixing components 2 are arranged diagonally to tightly press two diagonals of the flange 5 respectively (please refer to Figure 2 ), so that the flange 5 is fixed on the base 1.
[0027] The pipe fitting positioning component is used to drive the pipe fitting 6 to be butted against the flange 5; preferably, the pipe fitting positioning component includes a first positioning component 3, and the first positioning component 3 limits the moving path of the pipe fitting 6; specifically, the first positioning component 3 includes a linear slide rail 33, a sliding seat 32, and a sleeve 34; the sleeve 34 is fixedly installed on the sliding seat 32; the sliding seat 32 is installed on the linear slide rail 33, so that the sleeve 34 moves along the path of the linear slide rail 33; the sleeve 34 drives the pipe fitting 6 to be inserted onto the flange 5 along the path of the linear slide rail 33. Further, in order to enable the sleeve 34 to drive the pipe fitting 7, the sleeve 34 is hollow for the pipe fitting 7 to be inserted. Further, for the convenience of the sliding of the sleeve 34, a handle 31 is arranged on the sliding seat 32, and a person holds the handle 31 to push the sliding seat 32 to move along the linear slide rail 33.
[0028] The pipe fitting positioning component tightly presses and inserts the pipe fitting 6 into the flange 5; preferably, the pipe fitting positioning component includes a second positioning component 4, and the second positioning component 4 is inserted into the pipe fitting 6 to be used for directionally positioning the pipe fitting 6 inserted into the flange 5. Specifically, the second positioning component 4 includes a socket 41 and a plug rod 42; the plug rod 42 penetrates through the socket 41, and the plug rod 42 is inserted into the pipe fitting 6; by inserting the plug rod 42 into the pipe fitting 6, one is to position the insertion direction of the pipe fitting 6, and the other is to fix the pipe fitting 6 to prevent the pipe fitting 6 from slipping after being stressed.
[0029] The riveting assembly 7 acts on the pipe fitting 6 inserted into the flange 5 to rivet the pipe fitting 6 and the flange 5. Preferably, the riveting assembly 7 includes a plurality of riveting blocks 72, a convex shaft 71, and a second driving member 73; the convex shaft 71 is disposed on the axis of the plurality of annularly arranged riveting blocks 72; the top of the convex shaft 71 is wide and the bottom is narrow. When the second driving member 73 drives the convex shaft 71 to contract, the convex shaft 71 abuts against the riveting blocks 72, causing the plurality of riveting blocks 72 to move outward, thereby squeezing the pipe fitting 6 and the flange 5; in one embodiment, the convex shaft 71 is in the shape of an inverted frustum 74, and the top radius of the convex shaft 71 is greater than the inner radius of the annularly arranged riveting blocks 72, so that the convex shaft 71 can squeeze the riveting blocks 72. Further, in order to make the squeezed riveting blocks 72 move in a predetermined direction, the outer side of the riveting blocks 72 is wrapped by a frustum 74. The frustum 74 is disposed on the base 1 and the riveting blocks 72 protrude from the tabletop of the base 1; a sliding groove 75 for installing the riveting blocks 72 is provided inside the frustum 74, so that the riveting blocks 72 move along the sliding groove 75.
[0030] The first driving member 21 and the second driving member 73 mentioned in this patent are conventional hydraulic elevators, which can be directly purchased on the market. Therefore, the starting circuit and its model structure will not be described in detail in this specification.
[0031] Working principle: Place the flange 5 on the base 1 where the riveting blocks 72 are located. The plurality of riveting blocks 72 are at the mouth of the flange 5. Then, drive the pressing tongue 22 to move downward through the first driving member 21, so that the pressing tongue 22 tightly presses the flange 5 to complete the fixation of the flange 5; then insert the pipe fitting 6 into the sleeve 34, and manually hold the handle 31 to push the sliding seat 32 to move along the linear slide rail 33, so that the pipe fitting 6 is inserted into the flange 5. Then, manually push the insertion rod 42 to insert the insertion rod 42 into the pipe fitting 6 to complete the positioning and fixation of the pipe fitting 6; finally, drive the convex shaft 71 to contract through the second driving member 73. The convex shaft 71 abuts against the riveting blocks 72, causing the plurality of riveting blocks 72 to move outward, thereby squeezing the pipe fitting 6 and the flange 5. The pipe fitting 6 and the flange 5 are relatively deformed under extrusion to complete riveting; then it is sent to the existing next process for brazing.
[0032] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.
[0033] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A riveting and fixing device for pipe fittings and flanges, characterized in that: It includes a flange fixing component, a pipe positioning component, a riveting component, and a base; the flange fixing component is used to detachably fasten the flange on the base; the pipe positioning component is used to drive the pipe to dock with the flange and press the pipe tightly into the flange; the riveting component acts on the pipe inserted into the flange to rivet the pipe and the flange.
2. The device for riveting and fixing pipe fittings and flanges according to claim 1, characterized in that: The flange fixing assembly includes a pressing tongue arranged on a base and a first driving member for driving the pressing tongue to move up and down; the first driving member drives the pressing tongue to move downward so that the pressing tongue presses the flange tightly.
3. The device for riveting and fixing pipe fittings and flanges according to claim 1, characterized in that: The pipe positioning assembly includes a first positioning assembly, and the first positioning assembly limits the moving path of the pipe.
4. The device for riveting and fixing pipe fittings and flanges according to claim 3, characterized in that: The first positioning assembly includes a linear slide rail, a sliding seat, and a sleeve; the sleeve is fixedly mounted on the sliding seat; the sliding seat is mounted on the linear slide rail so that the sleeve moves along the linear slide rail.
5. The device for riveting and fixing a pipe fitting and a flange according to claim 4, characterized in that: The sleeve is hollow so as to allow the kit to be inserted.
6. The device for riveting and fixing a pipe fitting and a flange according to claim 4, characterized in that: The sliding seat is provided with a handle.
7. The device for riveting and fixing a pipe fitting to a flange according to claim 3, characterized in that: The pipe fitting positioning assembly includes a second positioning assembly, which is inserted into the pipe fitting to position the direction of the pipe fitting inserted into the flange.
8. The device for riveting and fixing a pipe fitting to a flange according to claim 7, characterized in that: The second positioning component includes a socket and an insertion rod; the insertion rod passes through the socket and is inserted into the pipe fitting.
9. The device for riveting and fixing a pipe fitting to a flange according to claim 1, characterized in that: The riveting assembly includes a plurality of rivet blocks, a convex shaft, and a second driving member; the convex shaft is arranged on the axis of a plurality of annularly arranged rivet blocks; the convex shaft is wide at the top and narrow at the bottom, and when the second driving member drives the convex shaft to contract, the convex shaft presses against the rivet blocks, causing the plurality of rivet blocks to move outward, thereby squeezing the pipe fittings and the flanges.
10. A device for riveting and fixing pipe fittings and flanges according to claim 9, characterized in that: The outer side of the rivet block is wrapped by a round table, and the round table is arranged on the base, so that the rivet block protrudes from the base table surface; the inside of the round table is provided with a slide groove for installing the rivet block, so that the rivet block moves along the slide groove.