Flaring die for automobile exhaust pipe

Abstract

The utility model belongs to the technical field of exhaust pipe machining, and discloses an automobile exhaust pipe flaring die which comprises a bottom plate, the top of the bottom plate is connected with a support, one side of the support is connected with a first hydraulic cylinder in a penetrating mode, and the output end of the first hydraulic cylinder is connected with a flaring block. When the exhaust pipe body needs to be quickly centered, the exhaust pipe body penetrates through the two connecting plates through the centering grooves, then the connecting blocks are screwed, the connecting blocks drive the two screw rods to rotate, the two pressing plates relatively move on the screw rods and the rod pieces, the pressing plates clamp the exhaust pipe body through the arc grooves, and therefore the exhaust pipe body can be quickly centered. And the exhaust pipe body is located in the center of the centering groove, so that rapid centering of the exhaust pipe body and the flaring block is achieved, the reaming efficiency of the device is improved, and the reaming quality of the exhaust pipe body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of exhaust pipe processing, and in particular relates to an automobile exhaust pipe expanding die. Background Art

[0002] After the automobile exhaust pipe is formed, it needs to be expanded. Usually, the automobile exhaust pipe is fixed on the workbench, and then the expansion block is driven by the hydraulic cylinder to expand one end of the automobile exhaust pipe.

[0003] The existing automobile exhaust pipe expanding mold is usually difficult to quickly align the exhaust pipe and the expanding block during use, making it difficult to align the exhaust pipe and the expanding block, reducing the expanding quality of the automobile exhaust pipe, greatly reducing the expanding efficiency of the device, and being inconvenient to quickly expand the automobile exhaust pipe, reducing the convenience of the device. Utility Model Content

[0004] The utility model aims to provide an automobile exhaust pipe expanding die to solve the problem that the existing automobile exhaust pipe expanding die is difficult to quickly align the exhaust pipe with the expanding block, which easily reduces the expanding quality of the automobile exhaust pipe.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile exhaust pipe expansion mold, comprising: a bottom plate, the top of the bottom plate is connected to a bracket, one side of the bracket is penetrated and connected to a first hydraulic cylinder, the output end of the first hydraulic cylinder is connected to a expansion block, the top of the bottom plate and the inner top side of the bracket are both connected to a second hydraulic cylinder, the opposite ends of the two second hydraulic cylinders are both connected to a pressure block, and an exhaust pipe body is arranged between the two pressure blocks; a centering component, the centering component is connected to the top of the bottom plate, the centering component includes a connecting plate, the two connecting plates are symmetrically connected to the top of the bottom plate, and the two connecting plates are penetrated and opened with a centering groove, the centering groove and the expansion The block is coaxially arranged, and through grooves are opened between both sides of the connecting plate and the centering groove, and two mounting plates are symmetrically connected to both sides of the connecting plate, wherein a rod is connected between the two mounting plates, and the opposite sides of the other two mounting plates are rotatably connected with screws through bearings, and a connecting block is connected between the two screws, and the threads of the two screws are opposite, and pressure plates are symmetrically arranged inside the centering groove, and the two ends of the two pressure plates extend to the outside of the connecting plate through the through grooves, the screw is threadedly connected to one side of the pressure plate, and the rod passes through the other side of the pressure plate, and one side of the two pressure plates is opened with an arc groove; a storage component, which is arranged between the connecting plate and the bracket.

[0006] Preferably, the storage assembly includes a slide groove, two of the slide grooves are symmetrically opened on the top of the bottom plate, the slide groove is internally slidably connected with a slider, the top side of the slider extends to the outside of the slide groove, and the slider extends to the outside of the slide groove and is connected to the bottom of the connecting plate, both sides of the inner wall of the bracket are connected with a fixing plate, the fixing plate is penetrated by a limiting groove, an opening is opened between the limiting groove and the fixing plate, and one side of the connecting plate is connected to a limiting rod matching the limiting groove.

[0007] Preferably, the surface of the connecting block is covered with a rubber sleeve, and the surface of the rubber sleeve is provided with convex patterns.

[0008] Preferably, a handle is connected to the top of the connecting plate.

[0009] Preferably, a guide rod is connected between the two sides of the inner wall of the slide groove, and the guide rod passes through the slide block.

[0010] Preferably, both sides of the opening are arranged as inclined surfaces.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] (1) The utility model sets a centering component. When the exhaust pipe body needs to be quickly centered, the exhaust pipe body is passed through the centering groove through the two connecting plates, and then the connecting block is screwed, so that the connecting block drives the two screws to rotate, so that the two pressure plates move relatively on the screws and the rods, and the pressure plates clamp the exhaust pipe body through the arc groove, and the exhaust pipe body is located in the center of the centering groove, thereby realizing rapid centering of the exhaust pipe body and the expanding block, improving the expansion efficiency of the device, and improving the expansion quality of the exhaust pipe body.

[0013] (2) The utility model sets a storage component. When it is necessary to store the two connecting plates, the connecting plates are pulled so that the connecting plates move in the slide grooves through the sliders, so that the limiting rods on one side of the connecting plates contact the fixed plates. The limiting rods can be inserted into the limiting grooves through the openings, thereby limiting the connection plates on the bottom plate. The storage of the connecting plates is realized, and it is convenient to remove the processed exhaust pipe body from the pressing block, which is beneficial to the use of the operator and improves the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a left-side structural schematic diagram of the connection plate of the utility model;

[0016] Figure 3 for Figure 1 A magnified image of point A;

[0017] In the figure: 1, bottom plate; 2, bracket; 3, first hydraulic cylinder; 4, expansion block; 5, second hydraulic cylinder; 6, pressure block; 7, exhaust pipe body; 8, connecting plate; 9, centering groove; 10, through groove; 11, mounting plate; 12, rod; 13, screw; 14, connecting block; 15, pressure plate; 16, arc groove; 17, limit rod; 18, slide groove; 19, slide block; 20, fixing plate; 21, limit groove; 22, opening. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Reference Figure 1-Figure 3 As shown, the utility model provides the following technical solutions: an automobile exhaust pipe expansion mold, comprising: a bottom plate 1, a bracket 2 is connected to the top of the bottom plate 1, a first hydraulic cylinder 3 is connected to one side of the bracket 2, an expansion block 4 is connected to the output end of the first hydraulic cylinder 3, a second hydraulic cylinder 5 is connected to the top of the bottom plate 1 and the inner top side of the bracket 2, a pressing block 6 is connected to the opposite ends of the two second hydraulic cylinders 5, and an exhaust pipe body 7 is arranged between the two pressing blocks 6; a centering component, the centering component is connected to the top of the bottom plate 1, the centering component includes a connecting plate 8, two connecting plates 8 are symmetrically connected to the top of the bottom plate 1, and the two connecting plates 8 are penetrated with a centering groove 9, the centering groove 9 is coaxially arranged with the expansion block 4, and both sides of the connecting plate 8 A through slot 10 is provided between the centering slot 9, and two mounting plates 11 are symmetrically connected to the two sides of the connecting plate 8, wherein a rod 12 is connected between the two mounting plates 11, and the opposite sides of the other two mounting plates 11 are rotatably connected with a screw 13 through a bearing, a connecting block 14 is connected between the two screws 13, and the threads of the two screws 13 are opposite, and the inner part of the centering slot 9 is symmetrically provided with a pressing plate 15, and the two ends of the two pressing plates 15 extend to the outside of the connecting plate 8 through the through slot 10, the screw 13 is threadedly connected to one side of the pressing plate 15, and the rod 12 passes through the other side of the pressing plate 15, and one side of the two pressing plates 15 is provided with an arc slot 16; a storage component, the storage component is arranged between the connecting plate 8 and the bracket 2

[0020] Through the above technical solution:

[0021] Specifically, when the exhaust pipe body 7 needs to be quickly centered, the exhaust pipe body 7 is passed through the two connecting plates 8 through the centering groove 9, and then the connecting block 14 is screwed so that the connecting block 14 drives the two screws 13 to rotate, so that the two pressure plates 15 move relative to each other on the screws 13 and the rod 12, and the pressure plate 15 clamps the exhaust pipe body 7 through the arc groove 16, and the exhaust pipe body 7 is located in the center position of the centering groove 9, and then the pressure block 6 clamps and fixes the exhaust pipe body 7 by controlling the second hydraulic cylinder 5, thereby realizing rapid centering of the exhaust pipe body 7 and the expanding block 4, improving the hole expansion efficiency of the device, and improving the hole expansion quality of the exhaust pipe body.

[0022] In the present utility model, further implementation modes are provided, referring to Figure 1 and Figure 2 The storage assembly includes a slide groove 18, and two slide grooves 18 are symmetrically opened at the top of the bottom plate 1. The inside of the slide groove 18 is slidably connected with a slider 19, and one side of the top of the slider 19 extends to the outside of the slide groove 18, and the slider 19 extends to the outside of the slide groove 18 and is connected to the bottom of the connecting plate 8. Both sides of the inner wall of the bracket 2 are connected with a fixing plate 20, and the fixing plate 20 is penetrated by a limiting groove 21, and an opening 22 is penetrated between the limiting groove 21 and the fixing plate 20, and one side of the connecting plate 8 is connected with a limiting rod 17 matching the limiting groove 21.

[0023] Through the above technical solution:

[0024] Specifically, when the two connecting plates 8 need to be stored, the connecting plate 8 is pulled so that the connecting plate 8 moves in the slide groove 18 through the slider 19, so that the limiting rod 17 on one side of the connecting plate 8 contacts the fixed plate 20, and the limiting rod 17 can be inserted into the limiting groove 21 through the opening 22, thereby limiting the connecting plate 8 on the base plate 1, thereby realizing the storage of the connecting plate 8, facilitating the removal of the processed exhaust pipe body 7 from the pressing block 6, facilitating the use of the operator, and improving the convenience of the device.

[0025] Reference Figure 1-Figure 3 The surface of the connecting block 14 is covered with a rubber sleeve, the surface of the rubber sleeve is provided with convex patterns, the top of the connecting plate 8 is connected to a handle, a guide rod is connected between the two sides of the inner wall of the slide groove 18, the guide rod passes through the slider 19, and both sides of the opening 22 are set as inclined surfaces.

[0026] Through the above technical solution:

[0027] Specifically, by providing convex patterns on the rubber sleeve, it is convenient to screw the connecting block 14, by providing a handle, it is convenient to pull the connecting plate 8, by providing a guide rod, the stability of the slider 19 during movement is improved, and by providing both sides of the opening 22 as inclined surfaces, it is convenient to quickly clip the limit rod 17 into the limit groove 21.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A car exhaust pipe expansion die, characterized in that: include: A bottom plate (1), the top of the bottom plate (1) is connected to a bracket (2), one side of the bracket (2) is penetrated by a first hydraulic cylinder (3), the output end of the first hydraulic cylinder (3) is connected to a flaring block (4), the top of the bottom plate (1) and the inner top side of the bracket (2) are both connected to a second hydraulic cylinder (5), the opposite ends of the two second hydraulic cylinders (5) are both connected to a pressing block (6), and an exhaust pipe body (7) is provided between the two pressing blocks (6); A centering component, the centering component is connected to the top of the base plate (1), the centering component comprises a connecting plate (8), two connecting plates (8) are symmetrically connected to the top of the base plate (1), and the two connecting plates (8) are both provided with a centering groove (9), the centering groove (9) is coaxially arranged with the expansion block (4), through grooves (10) are both provided between the two sides of the connecting plate (8) and the centering groove (9), and two mounting plates (11) are symmetrically connected to the two sides of the connecting plate (8), wherein a rod (12) is connected between the two mounting plates (11), and the other two The opposite side of the mounting plate (11) is rotatably connected to a screw rod (13) via a bearing, a connecting block (14) is connected between the two screw rods (13), and the threads of the two screw rods (13) are in opposite directions, a pressure plate (15) is symmetrically arranged inside the centering groove (9), and the two ends of the two pressure plates (15) extend to the outside of the connecting plate (8) through the through groove (10), the screw rod (13) is threadedly connected to one side of the pressure plate (15), and the rod (12) passes through the other side of the pressure plate (15), and an arc groove (16) is opened on one side of the two pressure plates (15); A storage assembly is arranged between the connecting plate (8) and the bracket (2).

2. The automobile exhaust pipe expansion die according to claim 1, characterized in that: The storage assembly comprises a slide groove (18), wherein two of the slide grooves (18) are symmetrically arranged at the top of the bottom plate (1), and a slider (19) is slidably connected inside the slide groove (18), and one side of the top of the slider (19) extends to the outside of the slide groove (18), and the slider (19) extends to the outside of the slide groove (18) and is connected to the bottom of the connecting plate (8), and both sides of the inner wall of the bracket (2) are connected to a fixing plate (20), and a limiting groove (21) is formed through the fixing plate (20), and an opening (22) is formed between the limiting groove (21) and the fixing plate (20), and one side of the connecting plate (8) is connected to a limiting rod (17) matching the limiting groove (21).

3. The automobile exhaust pipe expansion mold according to claim 1, characterized in that: The surface of the connection block (14) is covered with a rubber sleeve, and the surface of the rubber sleeve is provided with convex patterns.

4. The automobile exhaust pipe expansion die according to claim 2, characterized in that: The top of the connecting plate (8) is connected with a handle.

5. The automobile exhaust pipe expansion die according to claim 2, characterized in that: A guide rod is connected between the two sides of the inner wall of the slide groove (18), and the guide rod passes through the slide block (19).

6. The automobile exhaust pipe expansion die according to claim 2, characterized in that: Both sides of the opening (22) are arranged as inclined surfaces.

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