Clamp for machining automobile exhaust pipe connector

Abstract

The utility model discloses a fixture for processing an automobile exhaust pipe joint, which comprises a mounting table, the mounting table is provided with a port positioning block, a direction positioning component, an abutting positioning block and a pressing positioning block, and the port positioning block, the direction positioning component, the abutting positioning block and the pressing positioning block are matched to form a mounting cavity for mounting a joint main body. And the port positioning block is inserted into the positioning port of the joint main body so as to fix the positioning port. According to the utility model, the port positioning block, the direction positioning assembly, the abutting positioning block and the pressing positioning block are matched to realize quick and reliable clamping of the joint main body, and the joint main body is fixed in four directions, so that the joint main body is prevented from shifting or shaking when a conical port end is subjected to surface milling, and the processing precision of surface milling is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to clamping equipment technical field, especially in automobile exhaust pipe joint processing clamp. BACKGROUND

[0002] ‌The automobile exhaust pipe joint plays a vital role in the automobile exhaust system, the main function of the exhaust pipe joint is to connect the exhaust pipe and the muffler, ensures that the exhaust gas can smoothly from the engine, the design of exhaust pipe joint can effectively reduce the vibration and noise of exhaust system, provides more comfortable driving experience.

[0003] An automobile exhaust pipe joint exists, as shown in Figure 8 and Figure 9 The utility model discloses a clamp for automobile exhaust pipe joint processing, including joint body 100, the joint body 100 is the elbow pipe shape, one end of joint body 100 is the positioning port 101, the other end of joint body 100 is the taper end 102, first positioning convex column 103 and second positioning convex column 104 are arranged on the joint body 100, and the end of second positioning convex column 104 is provided with positioning inclined plane 1041. The above-mentioned automobile exhaust pipe joint needs to do the milling surface processing to the inner wall and the outer wall of the taper end 102 in the processing process, because the shape of the automobile exhaust pipe joint is irregular, the traditional clamp is difficult to position and fix the automobile exhaust pipe joint with irregular shape, which leads to the insufficient milling surface precision of the processing, affects the installation of the automobile exhaust pipe joint, and further affects the engine performance.

[0004] Therefore, it is necessary to improve the prior art. UTILITY MODEL CONTENTS

[0005] The utility model discloses a clamp for automobile exhaust pipe joint processing, including joint body 100, the joint body 100 is the elbow pipe shape, one end of joint body 100 is the positioning port 101, the other end of joint body 100 is the taper end 102, first positioning convex column 103 and second positioning convex column 104 are arranged on the joint body 100, and the end of second positioning convex column 104 is provided with positioning inclined plane 1041.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] The utility model provides an automobile exhaust pipe joint processing clamp, including installation platform, the installation platform is provided with port positioning block, direction positioning assembly, abutting positioning block and compression positioning block, port positioning block, direction positioning assembly, abutting positioning block and compression positioning block cooperation forms the installation cavity for installing the joint body, port positioning block inserts the positioning port of joint body to realize the fixation to positioning port, direction positioning assembly realizes the direction fixation to joint body through first positioning convex post, compression positioning block is compressed in second positioning convex post, abutting positioning block abuts in the side of second positioning convex post of joint body.

[0008] Further, the side of the port positioning block is provided with an outer peripheral positioning block, the outer peripheral positioning block is provided with a compression ball head matched with the outer peripheral wall of the positioning port of the joint body.

[0009] Further, the direction positioning assembly includes a compression block, a first clamping block, and a second clamping block, the compression block, the first clamping block, and the second clamping block cooperate to form a receiving cavity for the first positioning convex post to extend into.

[0010] Further, the side of the second clamping block facing the inside of the receiving cavity is provided with a telescopic ball head, a return spring is arranged between the telescopic ball head and the second clamping block, so that the telescopic ball head always has a movement trend extending into the receiving cavity.

[0011] Further, the side of the abutting positioning block facing the joint body is provided with a telescopic compression block, when the telescopic compression block is located at a first position relative to the abutting positioning block, the telescopic compression block is matched with the joint body, when the telescopic compression block is located at a second position relative to the abutting positioning block, the telescopic compression block is disengaged from the matching with the joint body.

[0012] Further, the side of the compression positioning block facing the joint body is provided with a compression inclined surface, the compression inclined surface is matched with a positioning inclined surface.

[0013] Further, the compression positioning block is rotationally connected with the installation platform, when the compression positioning block is located at a third position relative to the installation platform, the compression inclined surface is matched with the positioning inclined surface, when the compression positioning block is located at a fourth position relative to the installation platform, the compression inclined surface is disengaged from the matching with the positioning inclined surface.

[0014] With the above structure, the beneficial effects of the utility model are that: the utility model discloses a clamp for automobile exhaust pipe joint machining, which comprises a mounting table, a port positioning block, a direction positioning assembly, an abutting positioning block and a pressing positioning block are arranged on the mounting table, and the port positioning block, the direction positioning assembly, the abutting positioning block and the pressing positioning block cooperatively form a mounting cavity for mounting a joint body. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiment of the utility model, the drawings needed to be used in the following specific embodiment description will be simply introduced, and obviously, the drawings in the following description are some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the overall structure schematic of the utility model Figure 1 ;

[0017] Figure 2 It is the overall structure schematic of the utility model Figure 2 (joint body is not shown);

[0018] Figure 3 It is the A place structure enlarged schematic of the utility model Figure 2 ;

[0019] Figure 4 It is the three-dimensional schematic of the port positioning block of the utility model;

[0020] Figure 5 It is the three-dimensional schematic of the direction positioning assembly of the utility model;

[0021] Figure 6 It is the three-dimensional schematic of the abutting positioning block of the utility model;

[0022] Figure 7 It is the three-dimensional schematic of the pressing positioning block of the utility model;

[0023] Figure 8 It is the three-dimensional schematic of the joint body of the utility model Figure 1 ;

[0024] Figure 9 It is the three-dimensional schematic of the joint body of the utility model Figure 2 .

[0025] Figures 1 to 9 Reference numerals are as follows:

[0026] 1, mounting table; 2, port positioning block; 21, outer peripheral positioning block; 211, compression ball head; 3, direction positioning assembly; 31, compression block; 32, first clamping block; 33, second clamping block; 331, telescopic ball head; 34, accommodating cavity; 4, abutting positioning block; 41, telescopic compression block; 5, compression positioning block; 51, compression inclined surface; 6, mounting cavity; 100, connector main body; 101, positioning port; 102, tapered end; 103, first positioning protruding column; 104, second positioning protruding column; 1041, positioning inclined surface. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purpose, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, a large number of specific details are set forth in order to provide a sufficient understanding of the present application. However, the present application can be implemented in many different ways other than those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0028] In the description of the present application, it should be understood that if these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, if these terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "a plurality of" appears, the meaning of the term "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0030] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0031] In the utility model, unless another definite provision and limitation, if there is the term " install ", " link ", " connect ", " fix " and so on, these terms should be broad sense understanding. For example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For ordinary skilled in the art, can understand the concrete meaning of the above terms in the utility model according to specific circumstances.

[0032] It should be noted that if an element is referred to as " fixed to " or " disposed on " another element, it can be directly on the other element or there can be intervening elements. If an element is referred to as " connected " to another element, it can be directly connected to the other element or intervening elements can be present. Unless otherwise stated, the terms "vertical", "horizontal", "top", "bottom", "left", "right" and the like as can be used herein are made only with reference to the exemplary illustrations as shown in the drawings and are merely used for description.

[0033] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0034] As Figures 1 to 9As shown, a kind of fixture for automobile exhaust pipe joint processing, including installation platform 1, port locating block 2, direction positioning component 3, abutting locating block 4 and compression locating block 5 are provided on the installation platform 1, the port locating block 2, direction positioning component 3, abutting locating block 4 and compression locating block 5 cooperation is formed with the installation cavity 6 for installing joint body 100, the port locating block 2 is inserted into the locating port 101 of the joint body 100, to realize the fixation of locating port 101, the direction of the joint body 100 is fixed by the first positioning convex column 103 of the direction positioning component 3, the compression locating block 5 is compressed in the second positioning convex column 104, the abutting locating block 4 is abutted on the side of the joint body 100, which is opposite to the second positioning convex column 104.

[0035] Based on the above embodiment, the utility model wants to solve is provided a kind of fixture for automobile exhaust pipe joint processing, including installation platform 1, port locating block 2, direction positioning component 3, abutting locating block 4 and compression locating block 5 are provided on the installation platform 1, the port locating block 2, direction positioning component 3, abutting locating block 4 and compression locating block 5 cooperation is formed with the installation cavity 6 for installing joint body 100. The utility model realizes the quick, reliable clamping of joint body 100 by the cooperation of port locating block 2, direction positioning component 3, abutting locating block 4 and compression locating block 5, and realizes the fixation of joint body 100 in four directions, avoids the displacement or shaking of joint body 100 when milling surface processing is carried out to taper end 102, guarantees the precision of milling surface processing.

[0036] The specific clamping process of joint body 100: the locating port 101 of joint body 100 is sleeved on the outer periphery of port locating block 2, then the first positioning convex column 103 is inserted into the accommodating cavity 34 formed by the cooperation of compression block 31, first clamping block 32 and second clamping block 33, trigger foot switch, so that the telescopic compression block 41 of the abutting locating block 4 is extended, and the telescopic compression block 41 is abutted on the side of the joint body 100, which is opposite to the second positioning convex column 104, finally rotate compression locating block 5, so that the compression inclined surface 51 of compression locating block 5 is matched with positioning inclined surface 1041. By the above operation, the fixation of joint body 100 in four directions is realized, so that the clamping of joint body 100 is convenient and reliable, and then the precision of taper end 102 milling surface processing of joint body 100 is improved.

[0037] As another preferred scheme of the utility model, the side of the port locating block 2 is provided with outer periphery locating block 21, and the outer periphery locating block 21 is provided with compression ball head 211 matched with the outer periphery wall of the locating port 101 of the joint body 100. Figure 2 And Figure 4As shown, the port positioning block 2 is inserted into the positioning port 101 of the joint body 100, and the outer peripheral positioning block 21 is fixed to the inner peripheral wall of the positioning port 101, and the compression ball head 211 on the outer peripheral positioning block 21 is fixed to the outer peripheral wall of the positioning port 101. The compression ball head 211 is arranged to make the contact area between the outer peripheral positioning block 21 and the outer peripheral wall of the positioning port 101 small, so as to facilitate the installation of the joint body 100.

[0038] As another preferred embodiment of the utility model, the direction positioning assembly 3 comprises a compression block 31, a first clamping block 32 and a second clamping block 33, and the compression block 31, the first clamping block 32 and the second clamping block 33 are cooperatively formed with a containing cavity 34 for the first positioning column 103 to extend into. One side of the second clamping block 33 towards the inside of the containing cavity 34 is provided with a telescopic ball head 331, and a return spring (not shown in the figure) is arranged between the telescopic ball head 331 and the second clamping block 33, so that the telescopic ball head 331 always has a movement tendency of extending into the inside of the containing cavity 34. In this embodiment, as shown in Figure 2 and Figure 5 As shown, the direction positioning assembly 3 is used to quickly position the installation direction of the joint body 100, and the containing cavity 34 formed by the compression block 31, the first clamping block 32 and the second clamping block 33 is used to fix the first positioning column 103 in all directions in the circumferential direction, so as to reduce the vibration of the joint body 100 in the machining process and ensure the machining precision of the milling surface. The telescopic ball head 331 is arranged to facilitate the installation of the first positioning column 103. When the first positioning column 103 extends into the containing cavity 34, the telescopic ball head 331 is retracted under the pressure of the first positioning column 103 and overcomes the elastic force of the return spring. After the first positioning column 103 extends into the containing cavity 34, the telescopic ball head 331 is abutted against the outer periphery of the first positioning column 103 under the elastic force of the return spring, so as to fix the first positioning column 103.

[0039] As another preferred embodiment of the utility model, one side of the abutting positioning block 4 towards the joint body 100 is provided with a telescopic compression block 41. When the telescopic compression block 41 is located at a first position relative to the abutting positioning block 4, the telescopic compression block 41 is abutted against the joint body 100. When the telescopic compression block 41 is located at a second position relative to the abutting positioning block 4, the telescopic compression block 41 is disengaged from the abutment with the joint body 100. In this embodiment, as shown in Figure 2 and Figure 6As shown, the setting of the telescopic pressing block 41 facilitates the clamping and dismounting of the joint body 100. When the telescopic pressing block 41 is located at the first position relative to the abutting positioning block 4, specifically, the telescopic pressing block 41 is extended relative to the abutting positioning block 4, so that the telescopic pressing block 41 abuts against the outer wall of the joint body 100; when the telescopic pressing block 41 is located at the second position relative to the abutting positioning block 4, specifically, the telescopic pressing block 41 is retracted relative to the abutting positioning block 4, so that the telescopic pressing block 41 is disengaged from the abutting cooperation with the joint body 100. In a further preferred embodiment, the telescopic pressing block 41 is realized to be telescopic through hydraulic control, and the abutting positioning block 4 is connected with a foot switch for controlling the hydraulic operation.

[0040] As another preferred scheme of the utility model, the side of the pressing positioning block 5 facing the joint body 100 is provided with a pressing inclined surface 51, and the pressing inclined surface 51 is correspondingly matched with the positioning inclined surface 1041. The pressing positioning block 5 is rotationally connected with the mounting table 1, when the pressing positioning block 5 is located at the third position relative to the mounting table 1, the pressing inclined surface 51 is abutted and matched with the positioning inclined surface 1041, when the pressing positioning block 5 is located at the fourth position relative to the mounting table 1, the pressing inclined surface 51 is disengaged from the abutting cooperation with the positioning inclined surface 1041. In this embodiment, as shown in Figure 2 and Figure 7 As shown, through the setting of the pressing inclined surface 51 and the positioning inclined surface 1041, the contact area of the pressing positioning block 5 with the joint body 100 is increased, and the reliability of the fixation of the joint body 100 by the pressing positioning block 5 is improved. In this embodiment, the pressing positioning block 5 is rotationally connected with the mounting table 1, and the position of the pressing positioning block 5 relative to the mounting table 1 is manually changed. When the pressing positioning block 5 is located at the third position relative to the mounting table 1, specifically, the pressing positioning block 5 is vertically arranged relative to the mounting table 1, at this time, the pressing inclined surface 51 is abutted and matched with the positioning inclined surface 1041, realizing the fixation of the joint body 100 by the pressing positioning block 5; when the pressing positioning block 5 is located at the fourth position relative to the mounting table 1, specifically, the pressing positioning block 5 is rotated away from the joint body 100, at this time, the pressing inclined surface 51 is disengaged from the abutting cooperation with the positioning inclined surface 1041, and the fixation of the joint body 100 by the pressing positioning block 5 is released.

[0041] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation on the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments need not and cannot be exhausted. The changes or variations deduced therefrom are still within the protection scope of the utility model.

Claims

1. A fixture for processing automotive exhaust pipe connectors, comprising a mounting table (1), characterized in that: The mounting platform (1) is provided with a port positioning block (2), a direction positioning component (3), an abutment positioning block (4), and a clamping positioning block (5). The port positioning block (2), the direction positioning component (3), the abutment positioning block (4), and the clamping positioning block (5) cooperate to form a mounting cavity (6) for mounting the connector body (100). The port positioning block (2) is inserted into the positioning port (101) of the connector body (100) to fix the positioning port (101). The direction positioning component (3) fixes the direction of the connector body (100) through the first positioning protrusion (103). The clamping positioning block (5) is pressed against the second positioning protrusion (104). The abutment positioning block (4) abuts against the side of the connector body (100) opposite to the second positioning protrusion (104).

2. The fixture for machining automotive exhaust pipe connectors according to claim 1, characterized in that: A peripheral positioning block (21) is provided on the side of the port positioning block (2), and the peripheral positioning block (21) is provided with a pressing ball head (211) that abuts against the peripheral wall of the positioning port (101) of the connector body (100).

3. The fixture for machining automotive exhaust pipe connectors according to claim 1, characterized in that: The orientation positioning component (3) includes a clamping block (31), a first clamping block (32) and a second clamping block (33), which cooperate to form a receiving cavity (34) into which the first positioning protrusion (103) extends.

4. A fixture for machining automotive exhaust pipe connectors according to claim 3, characterized in that: A telescopic ball head (331) is provided on the side of the second clamping block (33) facing the inside of the receiving cavity (34). A return spring is provided between the telescopic ball head (331) and the second clamping block (33) so that the telescopic ball head (331) always has a tendency to extend into the receiving cavity (34).

5. A fixture for machining automotive exhaust pipe connectors according to claim 1, characterized in that: A telescopic pressure block (41) is provided on the side of the abutment positioning block (4) facing the connector body (100). When the telescopic pressure block (41) is in the first position relative to the abutment positioning block (4), the telescopic pressure block (41) abuts against the connector body (100). When the telescopic pressure block (41) is in the second position relative to the abutment positioning block (4), the telescopic pressure block (41) disengages from the connector body (100) and abuts against it.

6. A fixture for machining automotive exhaust pipe connectors according to claim 1, characterized in that: The clamping positioning block (5) has a clamping inclined surface (51) on the side facing the connector body (100), and the clamping inclined surface (51) and the positioning inclined surface (1041) are correspondingly matched.

7. A fixture for machining automotive exhaust pipe connectors according to claim 6, characterized in that: The clamping and positioning block (5) is rotatably connected to the mounting platform (1). When the clamping and positioning block (5) is in the third position relative to the mounting platform (1), the clamping inclined surface (51) and the positioning inclined surface (1041) abut against each other. When the clamping and positioning block (5) is in the fourth position relative to the mounting platform (1), the clamping inclined surface (51) and the positioning inclined surface (1041) disengage and abut against each other.

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