Intermittent turning tool clamp

Abstract

The utility model discloses an intermittent turning work fixture which is used for cutting a ball valve after rough milling, a through hole is formed in the center of the ball valve in a penetrating mode, one end of the ball valve is arranged towards the middle in a notch mode, the intermittent turning work fixture comprises a plunger, a turning auxiliary cover and a filling block, and the plunger is of a cylindrical structure and is arranged in the through hole of the ball valve. The plunger is provided with a notch, a positioning groove is concavely formed in the notch of the plunger, the turning auxiliary cover comprises a clamping cover and an ejector pin cover, the clamping cover and the ejector pin cover are correspondingly arranged at the two ends of the through hole of the ball valve respectively and fixed to the plunger, and the filling block is correspondingly arranged in the positioning groove. And the filling block and the surface of the ball valve are correspondingly spliced to form a spherical structure. The cutter is simple, reasonable and reliable in structure, the missing part is filled with the same material, so that the original state of a workpiece can be restored, the frequency and the cost for replacing the blade can be reduced while efficient cutting is kept, and the service life of the blade is longer.

Description

Technical Field

[0001] This utility model relates to a tooling fixture for intermittent machining. Background Technology

[0002] During the rough milling process of a ball valve, because a large portion of the spherical surface has been removed, the cutting tool experiences significant impact force at the cut surface, which can lead to rapid wear of the cutting tool. Due to the rapid wear of the cutting tool, dimensional accuracy control becomes difficult, tolerances are hard to control, and dimensions are unstable, making it impossible to control the machining dimensions according to the dimensional requirements on the drawings. Utility Model Content

[0003] The main technical problem solved by this utility model is to provide a tooling fixture for intermittent machining, which has a simple, reasonable and reliable structure. The missing parts are filled with the same material, so that the original state of the workpiece can be restored. While maintaining efficient cutting, it can reduce the frequency and cost of replacing the cutting tools and extend the service life of the cutting tools.

[0004] To solve the above-mentioned technical problems, the present invention provides a technical solution: a tooling fixture for intermittent turning, used for cutting a ball valve after rough milling. The ball valve has a through hole in its center, with one end recessed towards the center. The fixture includes a plunger, a turning auxiliary cover, and a filler block. The plunger is cylindrical and disposed in the through hole of the ball valve. The plunger has a positioning groove recessed in the recess. The turning auxiliary cover includes a clamping cover and a ejector cover. The clamping cover and the ejector cover are respectively disposed at both ends of the through hole of the ball valve and fixed to the plunger. The filler block is disposed in the positioning groove and is spliced ​​with the surface of the ball valve to form a spherical structure.

[0005] In a preferred embodiment of the present invention, the plunger is provided with two through-holes, a first threaded hole and a second threaded hole, which are symmetrically arranged in the axial direction.

[0006] In a preferred embodiment of the present invention, the clamping cap and the ejector cap are fastened at the first screw hole and the second screw hole of the plunger by a first locking bolt.

[0007] In a preferred embodiment of the present invention, the clamping cover is provided with a protruding first positioning protrusion at the first screw hole, and the ejector pin cover is provided with a protruding second positioning protrusion at the second screw hole.

[0008] In a preferred embodiment of the present invention, the plunger is provided with a positioning hole through the axial direction on one side of the first screw hole and the second screw hole.

[0009] In a preferred embodiment of the present invention, the clamping cover is provided with a protruding third positioning protrusion at the positioning hole, and the ejector pin cover is provided with a protruding fourth positioning protrusion at the positioning hole.

[0010] In a preferred embodiment of the present invention, the filling block and the plunger are fastened by two symmetrical second locking bolts.

[0011] In a preferred embodiment of the present invention, the filling block, plunger and ball valve are fastened by a third locking bolt.

[0012] The beneficial effects of this utility model are: the intermittent machining tooling fixture pointed out by this utility model has a simple, reasonable and reliable structure. The missing parts are filled with the same material, so the original state of the workpiece can be restored. While maintaining efficient cutting, it can reduce the frequency and cost of replacing the cutting tools and extend the service life of the cutting tools. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein:

[0014] Figure 1 This is a perspective view of a preferred embodiment of a discontinuous machining tooling fixture of the present invention;

[0015] Figure 2 yes Figure 1 Top view;

[0016] Figure 3 yes Figure 2 A cross-sectional view of surface AA;

[0017] Figure 4 This is a perspective view of a plunger in a preferred embodiment of a discontinuous machining tooling fixture of the present invention;

[0018] Figure 5 This is a perspective view of a preferred embodiment of a clamping cover for intermittent machining tooling fixture of the present invention;

[0019] Figure 6 This is a perspective view of the ejector pin cover of a preferred embodiment of a discontinuous machining tooling fixture of the present invention;

[0020] Figure 7 This is a perspective view of the filling block of a preferred embodiment of the intermittent machining tooling fixture of this utility model. Detailed Implementation

[0021] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] Please see Figures 1-7 As shown, the embodiments of this utility model include:

[0023] A tooling fixture for intermittent machining includes a plunger 1, a turning auxiliary cover, and a filler block 2, used for positioning a ball valve 3 after rough milling.

[0024] The ball valve 3 has a through hole 4 running through its center, with one end of it having a notch 5 facing inwards. This structure is formed after rough milling.

[0025] The plunger 1 is cylindrical and is installed in the through hole 4 of the ball valve 3, serving as an intermediate component to facilitate the installation and fixing of various components.

[0026] The plunger 1 has two through screw holes 6 and 7 symmetrically arranged in the axial direction. The turning auxiliary cover includes a clamping cover 8 and a ejector cover 9. The clamping cover 8 and the ejector cover 9 are respectively disposed at both ends of the through hole 4 of the ball valve 3 and fixed on the plunger 1. The clamping cover 8 and the ejector cover 9 are fastened at the first screw hole 6 and the second screw hole 7 of the plunger 1 by a first locking bolt 10 to ensure a stable connection between the clamping cover 8 and the ejector cover 9 and the plunger 1.

[0027] The clamping cover 8 is provided with a protruding first positioning protrusion 11 at the first screw hole 6, the ejector cover 9 is provided with a protruding second positioning protrusion 12 at the second screw hole 7, the plunger 1 is provided with a positioning hole 13 through the first screw hole 6 and the second screw hole 7 on one side, the clamping cover 8 is provided with a protruding third positioning protrusion 14 at the positioning hole 13, and the ejector cover 9 is provided with a protruding fourth positioning protrusion 15 at the positioning hole 13. The clamping cover 8 and the ejector cover 9 are positioned at the first screw hole 6, the second screw hole 7 and the positioning hole 13 respectively, which facilitates the quick positioning of the clamping cover 8 and the ejector cover 9 on the plunger 1 so as to facilitate the tightening of the first locking bolt 10.

[0028] The plunger 1 has a positioning groove 16 recessed in the notch 5. The filling block 2 is correspondingly disposed in the positioning groove 16, and the filling block 2 and the surface of the ball valve 3 are spliced ​​together to form a spherical structure to facilitate subsequent precision machining.

[0029] The filling block 2 and the plunger 1 are fastened by two symmetrical second locking bolts 17, thereby achieving a fixed connection between the filling block 2 and the plunger 1.

[0030] The end of the filling block 2 protrudes outward from the end of the plunger 1, and the ejector cap 9 is correspondingly arranged in a stepped structure at the end of the filling block 2 to limit the end of the filling block 2.

[0031] The filling block 2, plunger 1 and ball valve 3 are fastened by the third locking bolt 18, thereby achieving a fixed connection between the filling block 2, plunger 1 and ball valve 3.

[0032] The clamping cap and the ejector cap are respectively provided with ejector pin holes at the center of both outer ends to facilitate double-ejector auxiliary processing.

[0033] The above structure enables the ball valve to be restored to its original machining state after rough machining, so as to facilitate subsequent fine machining operations.

[0034] In summary, the intermittent machining tooling fixture disclosed in this utility model has a simple, reasonable, and reliable structure. The missing parts are filled with the same material, which can restore the original state of the workpiece. It can reduce the frequency and cost of replacing the cutting tools while maintaining efficient cutting, and the cutting tool life is longer.

[0035] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An interrupted machining jig for cutting a rough-milled ball valve, the ball valve having a through hole formed through the center thereof and one end of the through hole being concave toward the center, characterized in that, The application relates to a ball valve with a plunger, a turning auxiliary cover and a filling block, wherein the plunger is arranged in a through hole of the ball valve in a cylindrical structure, the plunger is concavely provided with a positioning groove at a notch, the turning auxiliary cover comprises a clamping cover and a thimble cover, the clamping cover and the thimble cover are correspondingly arranged at two ends of the through hole of the ball valve and are fixed on the plunger, and the filling block is correspondingly arranged in the positioning groove and is spliced with the surface of the ball valve to form a spherical structure.

2. The intermittent vehicle machining fixture of claim 1, wherein, The plunger is symmetrically provided with two first screw holes and second screw holes in the axial direction.

3. The intermittent vehicle machining fixture of claim 2, wherein, The clamping cover and the thimble cover are fastened by first locking bolts at the first screw holes and the second screw holes of the plunger.

4. The intermittent vehicle machining fixture of claim 2, wherein, The clamping cover is provided with a first positioning protrusion at the first screw hole, and the thimble cover is provided with a second positioning protrusion at the second screw hole.

5. The intermittent vehicle machining fixture of claim 2, wherein, The plunger is provided with a positioning hole in the axial direction on one side of the first screw hole and the second screw hole.

6. The intermittent vehicle machining fixture clamp of claim 5, wherein, The clamping cover is provided with a third positioning protrusion at the positioning hole, and the thimble cover is provided with a fourth positioning protrusion at the positioning hole.

7. The intermittent vehicle machining fixture of claim 1, wherein, The filling block and the plunger are fastened by two symmetrical second locking bolts.

8. The intermittent vehicle machining fixture of claim 1, wherein, The filling block, the plunger and the ball valve are fastened by a third locking bolt.

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