Clamp for machining three-way valve body
By combining the axial positioning components and the radial positioning components, the problem of rotation angle error in the machining of the three-way valve body is solved, and efficient and precise machining of the three-way valve body is achieved.
Patent Information
- Application Number
- CN202520172212.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-26
AI Technical Summary
The existing fixture has a large rotation angle error when machining three-way valve bodies, which affects the coaxiality of the internal threads of the left and right through holes of the three-way valve body and reduces machining efficiency.
The three-way valve body is positioned using axial and radial positioning components. Stable positioning of the three-way valve body and repositioning after rotating 180° are achieved through coaxially arranged positioning shaft, through hole and turning shaft, ensuring the machining accuracy of the other end.
It improves the stability and convenience of machining the three-way valve body, enhances the coaxiality of the through hole, and increases machining efficiency.
Smart Images
Figure CN223802017U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fixture, especially in a kind of clamp for processing tee valve body. BACKGROUND
[0002] Tee valve is a kind of valve device with three ports, including an inlet and two outlets, inlet is usually located on the left side, and two outlets are located on the right side and bottom respectively, in order to facilitate the disassembly of tee valve body, the inlet and outlet of tee valve body left and right sides are usually turned inner thread, and it needs to be clamped by clamp when turning.
[0003] In prior art, clamp includes two clamping blocks and driving assembly for driving two clamping blocks to approach or move away from each other, when the inner thread of the through hole on the left side of tee valve body needs to be turned, tee valve is placed between two clamping blocks, and driving assembly drives two clamping blocks to approach each other and clamp tee valve body, after turning is completed, tee valve body is rotated 180 °, and the right side through hole is turned; during the rotation of tee valve body, its rotation angle error is large, which affects the coaxiality of inner thread of tee valve body left and right side through hole, and reduces the processing efficiency of tee valve body. UTILITY MODEL CONTENTS
[0004] In order to overcome the deficiencies of prior art, the purpose of the utility model is to provide a kind of clamp for processing tee valve body, to improve the processing efficiency of tee valve body.
[0005] The technical scheme adopted by the utility model is:
[0006] A kind of clamp for processing tee valve body, including connecting plate, for positioning tee valve body, radial positioning assembly and axial positioning assembly are arranged between tee valve body and connecting plate, tee valve body is detachably connected with connecting plate by radial positioning assembly and axial positioning assembly, two ends of the connecting plate in radial direction are respectively provided with positioning shaft and turning shaft, the positioning shaft, the through hole of tee valve body in radial direction and the turning shaft are coaxially arranged.
[0007] Optionally, the radial positioning assembly includes two first positioning pins, two first positioning pins are symmetrically arranged about a center, and the first positioning pin penetrates the positioning plate in vertical direction and is detachably connected with tee valve body.
[0008] Optionally, the axial positioning assembly includes second positioning pin and nut, one end of the second positioning pin penetrates the connecting plate and tee valve body in vertical direction and is threadedly connected with the nut, the other end of the second positioning pin abuts against the bottom side of the connecting plate, and the bottom side of the nut abuts against the top side of tee valve body.
[0009] Optionally, a counterweight is arranged between the screw cap and the top side of the tee valve body, one end of the second positioning pin penetrates the connecting plate, the tee valve body, the counterweight and the screw cap in sequence along the vertical direction, and the inner wall of the counterweight abuts against the outer wall of the second positioning pin.
[0010] Optionally, one end of the connecting plate in the radial direction is vertically provided with a mounting plate, the bottom side of the mounting plate is connected with the top side of the connecting plate, the mounting plate is provided with a positioning hole along the radial direction of the connecting plate, the positioning shaft penetrates the positioning hole along the radial direction, and the outer periphery of the positioning shaft abuts against the hole wall of the positioning hole.
[0011] Optionally, the outer periphery of the positioning shaft is provided with a positioning block, and the positioning block abuts against the two sides of the mounting plate close to each other.
[0012] Optionally, the outer periphery of the positioning block is sleeved with a positioning plate, and the positioning plate is detachably connected between the mounting plate.
[0013] The utility model discloses the beneficial effect lies in:
[0014] The axial positioning assembly and the radial positioning assembly are used for positioning the tee valve body, one side of the tee valve body is turned, the stability in the turning process of the tee valve body is improved, the axial positioning assembly and the radial positioning assembly are opened, the tee valve body is rotated 180 DEG, the tee valve body is positioned through the radial positioning assembly and the axial positioning assembly again, one end of the tee valve body can be turned, the convenience of the turning of the tee valve body is improved, the positioning shaft, the through hole in the radial direction of the tee valve body and the turning shaft are coaxially arranged, the coaxiality of the threaded through hole of the tee valve body is further improved, and the machining efficiency of the tee valve body is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic view of the utility model;
[0016] Figure 2 It is the sectional view of the whole structure of the utility model;
[0017] Figure 3 It is the plan view of the whole structure of the utility model.
[0018] The correspondence between the reference signs and names in the drawing is as follows: 1, connecting plate;2, tee valve body;3, first positioning pin;4, second positioning pin;5, screw cap;6, counterweight;7, mounting plate;8, positioning shaft;81, positioning block;9, positioning plate;91, locking bolt. DETAILED DESCRIPTION
[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figures 1-3 The present application provides a technical scheme:
[0021] Refer to Figure 1 A clamp for machining a tee valve body, comprising a connecting plate 1 for positioning the tee valve body 2, the tee valve body 2 being placed on the top side of the connecting plate 1, a radial positioning assembly and an axial positioning assembly being provided between the tee valve body 2 and the connecting plate 1, the tee valve body 2 being detachably connected with the connecting plate 1 through the radial positioning assembly and the axial positioning assembly, the connecting plate 1 being provided with a positioning shaft 8 and a turning shaft at both ends in the radial direction, the positioning shaft 8, the through hole of the tee valve body 2 in the radial direction and the turning shaft being coaxially arranged.
[0022] Refer to Figures 1-2 One end of the connecting plate 1 in the radial direction is vertically provided with a mounting plate 7, the bottom side of the mounting plate 7 is fixedly connected with the top side of the connecting plate 1, the mounting plate 7 is provided with a positioning hole along the radial direction of the connecting plate 1, the positioning shaft 8 penetrates the positioning hole in the radial direction, the outer periphery of the positioning shaft 8 abuts against the hole wall of the positioning hole, the outer periphery of the positioning shaft 8 is fixedly connected with a positioning block 81, the positioning block 81 abuts against both sides of the mounting plate 7, the outer periphery of the positioning block 81 is sleeved with a positioning plate 9, the positioning plate 9 is provided with a groove matched with the positioning block 81 in the inside, the opening of the groove is arranged towards the mounting plate 7, the side of the positioning block 81 away from the mounting plate 7 abuts against the groove bottom, both sides of the positioning plate 9 and the mounting plate 7 abut against each other, the positioning plate 9 and the mounting plate 7 are detachably connected through a locking assembly, the locking assembly comprises a plurality of locking bolts 91, the locking bolts 91 penetrate the positioning plate 9 in the radial direction and are threadedly connected with the mounting plate 7 in sequence, the positioning shaft 8 is connected with a three-jaw chuck on a lathe, and the positioning shaft 8 is clamped into the three-jaw chuck.
[0023] Refer to Figures 1-3 The radial positioning assembly comprises two first positioning pins 3, the two first positioning pins 3 are centrally symmetrically arranged, the first positioning pin 3 penetrates the positioning plate 9 in the vertical direction and is threadedly connected with the tee valve body 2, the radial positioning assembly is provided with a plurality of groups, and the plurality of groups of radial positioning assemblies are uniformly and separately arranged on the tee valve body 2.
[0024] The axial positioning assembly comprises a second positioning pin 4 and a nut 5, a counterweight 6 is arranged between the top side of the three-way valve body 2 and the nut 5, one end of the second positioning pin 4 penetrates the connecting plate 1, the three-way valve body 2, the counterweight 6 and the nut 5 in sequence along the vertical direction and is threadedly connected with the nut 5, the inner wall of the counterweight 6 abuts against the outer wall of the second positioning pin 4, the other end of the second positioning pin 4 abuts against the bottom side of the connecting plate 1, the bottom side of the nut 5 abuts against the top side of the three-way valve body 2, the connecting plate 1 is positioned by a positioning shaft 8, and the three-way valve body 2 is positioned by the axial positioning assembly and the radial positioning assembly; after the axial positioning assembly and the radial positioning assembly are opened, the three-way valve body 2 is rotated by 180 degrees around the second positioning pin 4, and then the three-way valve body 2 is positioned, so that the other end of the three-way valve body 2 can be turned.
[0025] Finally, it should be noted that: the above only for the preferred examples of the utility model have, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A fixture for machining a tee valve body, comprising a connection plate (1) for positioning a tee valve body (2), characterized in that, The radial positioning assembly and the axial positioning assembly are arranged between the three-way valve body (2) and the connecting plate (1), the three-way valve body (2) is detachably connected with the connecting plate (1) through the radial positioning assembly and the axial positioning assembly, two ends in the radial direction of the connecting plate (1) are respectively provided with a positioning shaft (8) and a turning shaft, and the positioning shaft (8), the through hole in the radial direction of the three-way valve body (2) and the turning shaft are coaxially arranged.
2. A fixture for machining tee valve bodies according to claim 1, wherein The radial positioning assembly comprises two first positioning pins (3), the two first positioning pins (3) are centrally symmetrically arranged, and the first positioning pins (3) penetrate the positioning plate (9) in the vertical direction and are detachably connected with the three-way valve body (2).
3. A fixture for machining tee valve bodies as defined in claim 2 wherein, The axial positioning assembly comprises a second positioning pin (4) and a nut (5), one end of the second positioning pin (4) penetrates the connecting plate (1) and the three-way valve body (2) in the vertical direction and is threadedly connected with the nut (5), the other end of the second positioning pin (4) abuts against the bottom side of the connecting plate (1), and the bottom side of the nut (5) abuts against the top side of the three-way valve body (2).
4. The fixture for machining tee valve bodies of claim 3, wherein, A counterweight (6) is arranged between the nut (5) and the top side of the three-way valve body (2), one end of the second positioning pin (4) penetrates the connecting plate (1), the three-way valve body (2), the counterweight (6) and the nut (5) in the vertical direction in sequence, and the inner wall of the counterweight (6) abuts against the outer wall of the second positioning pin (4).
5. The fixture for machining tee valve bodies of claim 1 wherein, One end of the connecting plate (1) in the radial direction is vertically provided with a mounting plate (7), the bottom side of the mounting plate (7) is connected with the top side of the connecting plate (1), the mounting plate (7) is provided with a positioning hole in the radial direction of the connecting plate (1), the positioning shaft (8) penetrates the positioning hole in the radial direction, and the outer periphery of the positioning shaft (8) abuts against the hole wall of the positioning hole.
6. The fixture for machining tee valve bodies of claim 1 wherein, The outer periphery of the positioning shaft (8) is provided with a positioning block (81), and the positioning block (81) abuts against the two sides of the mounting plate (7) close to each other.
7. A fixture for machining tee valve bodies as defined in claim 6 wherein, The outer periphery of the positioning block (81) is sleeved with a positioning plate (9), and the positioning plate (9) is detachably connected with the mounting plate (7).