A machining jig for mounting a flange

CN224750644UActive Publication Date: 2026-09-15KS FAITH DIECATING CO LTD
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Patent Information

Application Number
CN202521866574.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-01
Publication Date
2026-09-15
Estimated Expiration
2035-09-01

AI Technical Summary

Technical Problem

[0003]法兰盘需要进行端面加工,目前常见的螺栓压夹的装夹工具在夹持法兰盘的时候,经常固定不牢固,且固定操作太复杂

Benefits of technology

1、该安装法兰的机加工夹具,通过设置预定位组件、支撑组件、第一压持组件和第二压持组件,将安装法兰放入预定位组件的预定位槽内,支撑组件对安装法兰进行支撑,第一压持组件的第一定位气缸带动第一压杆下压、第二压持组件的第二定位气缸带动第二压杆下压,可快速的压住安装法兰。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to flange machining fixture technical field, and disclose a kind of machining fixture of mounting flange, for clamping machining fixture of mounting flange and for the fixed base plate of mounting machining fixture.This machining fixture of mounting flange, by setting prepositioning assembly, support component, first pressure holding component and second pressure holding component, install flange is placed into the prepositioning groove of prepositioning assembly, support component supports installation flange, the first positioning cylinder of first pressure holding component drives first pressure rod to press down, the second positioning cylinder of second pressure holding component drives second pressure rod to press down, installation flange can be quickly pressed.
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Description

Technical Field

[0001] This utility model relates to the field of flange processing fixture technology, specifically a machining fixture for installing flanges. Background Technology

[0002] Flanges are parts used to connect shafts to each other, and are used for connecting pipe ends; flanges are also used on equipment inlets and outlets for connecting two pieces of equipment, such as gearbox flanges, flange connections, or flange joints.

[0003] Flanges require end face machining. Currently, common bolt clamping tools often fail to secure flanges properly, and the clamping operation is too complicated. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a machining fixture for mounting flanges, which solves the problems mentioned in the background.

[0005] This utility model provides the following technical solution: a machining fixture for mounting flanges, comprising: a machining fixture for clamping and mounting flanges and a fixed base plate for mounting the machining fixture; The mounting flange includes a flange protrusion, and an inner edge plate is integrally formed and connected inside the flange protrusion. The inner edge plate is provided with an inner diameter groove, and a mating groove is provided between the flange protrusion and the inner edge plate. The machining fixture includes a pre-positioning assembly for docking with the flange protrusion, a positioning post for docking with the inner diameter groove, a support assembly for supporting the flange protrusion, a first pressing assembly, and a second pressing assembly. The pre-positioning assembly, positioning post, support assembly, first pressing assembly, and second pressing assembly are all mounted on the top of the fixed base plate.

[0006] Preferably, the pre-positioning component includes a positioning plate, on which a plurality of fixing posts are mounted, the fixing posts are mounted on a fixed base plate, and a pre-positioning groove is formed on the positioning plate, the inner wall of the pre-positioning groove being connected to the surface of the flange protrusion.

[0007] Preferably, movable grooves are provided on both sides of the inner wall of the prepositioning groove.

[0008] Preferably, the support assembly includes multiple pillars, each pillar having a support portion at its top, the top of which is connected to the bottom of the flange protrusion.

[0009] Preferably, the first pressing assembly includes a first positioning cylinder and a first pressing rod. A first connecting shaft is installed on the telescopic end of the first positioning cylinder. The first pressing rod is installed on the telescopic end of the first positioning cylinder through the first connecting shaft. A connecting seat is installed on the first positioning cylinder. A second connecting shaft is installed on the connecting seat. Connecting arms are installed at both ends of the second connecting shaft. A third connecting shaft is provided on the first pressing rod. One end of the third connecting shaft is connected to one end of the connecting arm. One end of the first pressing rod is connected to the top of the flange protrusion.

[0010] Preferably, the second pressing assembly includes a second positioning cylinder and a second pressing rod. A fourth connecting shaft is installed on the telescopic end of the second positioning cylinder. The second pressing rod is installed on the telescopic end of the second positioning cylinder through the fourth connecting shaft. The bottom end of the second pressing rod is connected to the top of the flange protrusion.

[0011] Preferably, the fixed base plate is equipped with a positioning component for connecting with the docking groove; The positioning component includes a fixing block mounted on a fixed base plate. A mounting tube is mounted on the top of the fixing block. A mounting hole is opened on the surface of the mounting tube, and a mounting post is threadedly connected to the inner wall of the mounting hole. An anti-loosening nut is threadedly connected to the surface of the mounting post. A positioning post is inserted into the inner wall of the mounting tube. A fixing groove is opened on the surface of the positioning post, and one end of the mounting post is connected to the inner wall of the fixing groove.

[0012] Preferably, the abutment post includes an adjusting post, the fixing groove is formed on the surface of the adjusting post, one end of the mounting post is connected to the inner wall of the fixing groove, and the top of the adjusting post is provided with a frustum abutment block, and the surface of the frustum abutment block is connected to the inner wall of the docking groove.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The machining fixture for the mounting flange, by setting a pre-positioning component, a support component, a first pressing component and a second pressing component, places the mounting flange into the pre-positioning groove of the pre-positioning component, the support component supports the mounting flange, the first positioning cylinder of the first pressing component drives the first pressing rod to press down, and the second positioning cylinder of the second pressing component drives the second pressing rod to press down, which can quickly press the mounting flange.

[0014] 2. The machining fixture for the flange installation improves the stability of the flange clamping by setting a stop component and adjusting the position of the stop column so that the frustum stop block of the stop column abuts against the inner wall of the mating groove. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2This is a schematic diagram of the mounting flange structure of this utility model; Figure 3 This is a schematic diagram of the prepositioning component structure of this utility model; Figure 4 This is a schematic diagram of the support component structure of this utility model; Figure 5 This is a schematic diagram of the first pressing component of this utility model; Figure 6 This is a schematic diagram of the structure of the second pressing component of this utility model; Figure 7 This is a schematic diagram of the structure of the positioning component of this utility model; Figure 8 This is a schematic diagram of the positioning column structure of this utility model.

[0016] In the diagram: 1. Mounting flange; 101. Flange protrusion; 102. Inner edge plate; 103. Inner diameter groove; 104. Butt groove; 2. Pre-positioning assembly; 21. Positioning plate; 22. Fixing column; 23. Pre-positioning groove; 3. Positioning column; 4. Support assembly; 41. Support column; 42. Support part; 5. First pressing assembly; 51. First positioning cylinder; 52. First pressure rod; 53. First connecting shaft; 54. Connecting seat; 55. Second connecting shaft; 56. Connecting arm; 57. Third connecting shaft; 6. Second pressing assembly; 61. Second positioning cylinder; 62. Second pressure rod; 63. Fourth connecting shaft; 7. Movable groove; 8. Abutment assembly; 81. Mounting tube; 82. Mounting column; 83. Anti-loosening nut; 84. Abutment column; 841. Adjusting column; 842. Frustum abutment block; 85. Fixing groove; 9. Fixing base plate. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-8 A machining fixture for mounting a flange includes: a machining fixture for clamping the flange and a fixed base plate 9 for mounting the machining fixture; Please see Figure 2 The mounting flange 1 includes a flange protrusion 101, an inner edge plate 102 integrally formed and connected inside the flange protrusion 101, an inner diameter groove 103 is provided on the inner edge plate 102, and a mating groove 104 is provided between the flange protrusion 101 and the inner edge plate 102. The machining fixture includes a pre-positioning assembly 2 for docking with the flange protrusion 101, a positioning pin 3 for docking with the inner diameter groove 103, a support assembly 4 for supporting the flange protrusion 101, a first pressing assembly 5, and a second pressing assembly 6. The pre-positioning assembly 2, the positioning pin 3, the support assembly 4, the first pressing assembly 5, and the second pressing assembly 6 are all mounted on the top of the fixed base plate 9.

[0019] Please see Figure 3-4 The pre-positioning component 2 includes a positioning plate 21, on which a plurality of fixing posts 22 are mounted. The fixing posts 22 are mounted on a fixed base plate 9. A pre-positioning groove 23 is provided on the positioning plate 21. The inner wall of the pre-positioning groove 23 is connected to the surface of the flange protrusion 101. Movable grooves 7 are provided on both sides of the inner wall of the pre-positioning groove 23. The movable grooves 7 provide space for the hand to move, making it convenient to pick up and install the flange 1. The support component 4 includes a plurality of pillars 41. A support part 42 is provided on the top of the pillar 41. The top of the support part 42 is connected to the bottom of the flange protrusion 101.

[0020] Please see Figure 5-6 The first pressing assembly 5 includes a first positioning cylinder 51 and a first pressing rod 52. A first connecting shaft 53 is installed on the telescopic end of the first positioning cylinder 51. The first pressing rod 52 is installed on the telescopic end of the first positioning cylinder 51 through the first connecting shaft 53. A connecting seat 54 is installed on the first positioning cylinder 51. A second connecting shaft 55 is installed on the connecting seat 54. Connecting arms 56 are installed at both ends of the second connecting shaft 55. A third connecting shaft 57 is provided on the first pressing rod 52. One end of the third connecting shaft 57 is connected to one end of the connecting arm 56. One end of the first pressing rod 52 is connected to the top of the flange protrusion 101. The second pressing assembly 6 includes a second positioning cylinder 61 and a second pressing rod 62. A fourth connecting shaft 63 is installed on the telescopic end of the second positioning cylinder 61. The second pressing rod 62 is installed on the telescopic end of the second positioning cylinder 61 through the fourth connecting shaft 63. The bottom end of the second pressing rod 62 is connected to the top of the flange protrusion 101.

[0021] Please see Figure 7-8A positioning assembly 8 for connecting with the mating groove 104 is installed on the fixed base plate 9. The positioning assembly 8 includes a fixing block installed on the fixed base plate 9. An installation tube 81 is installed on the top of the fixing block. An installation hole is opened on the surface of the installation tube 81, and an installation post 82 is threadedly connected to the inner wall of the installation hole. An anti-loosening nut 83 is threadedly connected to the surface of the installation post 82. A positioning post 84 is inserted into the inner wall of the installation tube 81. A fixing groove 85 is opened on the surface of the positioning post 84. One end of the installation post 82 is connected to the inner wall of the fixing groove 85. The positioning post 84 includes an adjusting post 841. The fixing groove 85 is opened on the surface of the adjusting post 841. A frustum positioning block 842 is provided at the top of the adjusting post 841, and the surface of the frustum positioning block 842 is connected to the inner wall of the mating groove 104. Adjusting the position of the positioning post 84 makes the frustum positioning block 842 of the positioning post 84 abut against the inner wall of the mating groove 104, thereby improving the stability of clamping the mounting flange 1.

[0022] Place the mounting flange 1 into the pre-positioning groove 23 of the positioning plate 21, insert the positioning pin 3 into the inner diameter groove 103, and make the bottom of the flange protrusion 101 contact the top of the support part 42 to support the mounting flange 1. Activate the first positioning cylinder 51 and the second positioning cylinder 61. The first positioning cylinder 51 drives the first pressure rod 52 to press down, so that the first pressure rod 52 presses down on the top of the flange protrusion 101. The second positioning cylinder 61 drives the second pressure rod 62 to press down. The second pressure rod 62 is on the top of the flange protrusion 101, which can quickly press the mounting flange 1, making it convenient to operate and quickly clamp the mounting flange 1.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A machining fixture for mounting flanges, characterized in that, include: Machining fixtures for clamping and mounting flanges and a fixed base plate for mounting the machining fixtures (9); The mounting flange (1) includes a flange protrusion (101), and an inner edge plate (102) is integrally formed and connected inside the flange protrusion (101). An inner diameter groove (103) is provided on the inner edge plate (102), and a mating groove (104) is provided between the flange protrusion (101) and the inner edge plate (102). The machining fixture includes a pre-positioning assembly (2) for docking with the flange protrusion (101), a positioning pin (3) for docking with the inner diameter groove (103), a support assembly (4) for supporting the flange protrusion (101), a first pressing assembly (5) and a second pressing assembly (6), wherein the pre-positioning assembly (2), the positioning pin (3), the support assembly (4), the first pressing assembly (5) and the second pressing assembly (6) are all mounted on the top of the fixed base plate (9).

2. The machining fixture for mounting a flange according to claim 1, characterized in that, The prepositioning component (2) includes a positioning plate (21), on which a plurality of fixing posts (22) are installed. The fixing posts (22) are installed on a fixing base plate (9). A prepositioning groove (23) is provided on the positioning plate (21), and the inner wall of the prepositioning groove (23) is connected to the surface of the flange protrusion (101).

3. The machining fixture for mounting a flange according to claim 2, characterized in that, Movable grooves (7) are provided on both sides of the inner wall of the prepositioning groove (23).

4. The machining fixture for mounting a flange according to claim 1, characterized in that, The support assembly (4) includes a plurality of pillars (41), and a support portion (42) is provided on the top of the pillars (41). The top of the support portion (42) is connected to the bottom of the flange protrusion (101).

5. A machining fixture for mounting flanges according to claim 1, characterized in that, The first pressing assembly (5) includes a first positioning cylinder (51) and a first pressing rod (52). A first connecting shaft (53) is installed on the telescopic end of the first positioning cylinder (51). The first pressing rod (52) is installed on the telescopic end of the first positioning cylinder (51) through the first connecting shaft (53). A connecting seat (54) is installed on the first positioning cylinder (51). A second connecting shaft (55) is installed on the connecting seat (54). Connecting arms (56) are installed at both ends of the second connecting shaft (55). A third connecting shaft (57) is provided on the first pressing rod (52). One end of the third connecting shaft (57) is connected to one end of the connecting arm (56). One end of the first pressing rod (52) is connected to the top of the flange protrusion (101).

6. A machining fixture for mounting flanges according to claim 1, characterized in that, The second pressing assembly (6) includes a second positioning cylinder (61) and a second pressing rod (62). The telescopic end of the second positioning cylinder (61) is equipped with a fourth connecting shaft (63). The second pressing rod (62) is mounted on the telescopic end of the second positioning cylinder (61) through the fourth connecting shaft (63). The bottom end of the second pressing rod (62) is connected to the top of the flange protrusion (101).

7. A machining fixture for mounting flanges according to claim 1, characterized in that, The fixed base plate (9) is equipped with a positioning component (8) for connecting with the docking groove (104). The positioning component (8) includes a fixing block mounted on a fixed base plate (9). A mounting tube (81) is mounted on the top of the fixing block. A mounting hole is opened on the surface of the mounting tube (81), and a mounting post (82) is threadedly connected to the inner wall of the mounting hole. A lock nut (83) is threadedly connected to the surface of the mounting post (82). A positioning post (84) is inserted into the inner wall of the mounting tube (81). A fixing groove (85) is opened on the surface of the positioning post (84), and one end of the mounting post (82) is connected to the inner wall of the fixing groove (85).

8. A machining fixture for mounting a flange according to claim 7, characterized in that, The abutment post (84) includes an adjustment post (841), the fixing groove (85) is opened on the surface of the adjustment post (841), the top of the adjustment post (841) is provided with a frustum abutment block (842), and the surface of the frustum abutment block (842) is connected to the inner wall of the docking groove (104).