CN220093848U - Clamping tool for machining end face of cylindrical workpiece - Google Patents
Clamping tool for machining end face of cylindrical workpiece Download PDFInfo
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- CN220093848U CN220093848U CN202321618538.XU CN202321618538U CN220093848U CN 220093848 U CN220093848 U CN 220093848U CN 202321618538 U CN202321618538 U CN 202321618538U CN 220093848 U CN220093848 U CN 220093848U
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- clamping cylinder
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- machining
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- 238000003754 machining Methods 0.000 title claims abstract description 21
- 230000000694 effects Effects 0.000 abstract description 5
- 238000003801 milling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of machining tools and provides a clamping tool for machining an end face of a cylindrical workpiece, which comprises a base and a clamping cylinder arranged on the upper side of the base, wherein a positioning hole matched with the tail end of the workpiece is formed in the middle of the clamping cylinder; the top of the clamping cylinder is provided with a tightening part and a connecting part, the front end of the tightening part and the connecting part are provided with shrinkage joints, the front end of the tightening part is provided with tightening screws, one ends of the tightening screws are connected with the connecting part through threads, and the shrinkage joints are reduced through tightening the tightening screws so as to fasten workpieces. The utility model can conveniently and rapidly clamp the workpiece, has firm clamping and good centering effect, and ensures the precision requirement between processing characteristics.
Description
Technical Field
The utility model relates to the technical field of machining tools, in particular to a clamping tool for machining an end face of a cylindrical workpiece.
Background
The machining center is developed by the numerically controlled milling machine, when the machining center is used for machining a workpiece, the workpiece is required to be clamped and fixed by using a clamp or a tool, the traditional clamping tool is used for clamping and fixing a cylindrical workpiece by using a chuck or a V-shaped clamping block, when the end face of the cylindrical workpiece is required to be machined, such as a plurality of notches are machined on the outer edge, the angle and the distance between the corresponding notches are required to be high, the workpiece is required to be kept in an upright state, and when the length of the machined workpiece is long, the centering effect of the cylindrical workpiece is poor by using the traditional clamping tool, the clamping is not firm enough, and the precision requirement between the machining characteristics of the outer edge is difficult to guarantee.
Disclosure of Invention
The utility model aims to provide a clamping tool for machining the end face of a cylindrical workpiece, which can conveniently clamp the workpiece, and has the advantages of clamping and fastening and good centering effect.
The embodiment of the utility model is realized by the following technical scheme: the clamping tool for machining the end face of the cylindrical workpiece comprises a base and a clamping cylinder arranged on the upper side of the base, wherein a positioning hole matched with the tail end of the workpiece is formed in the middle of the clamping cylinder; the top of the clamping cylinder is provided with a tightening part and a connecting part, the front end of the tightening part and the connecting part are provided with shrinkage joints, the front end of the tightening part is provided with tightening screws, one ends of the tightening screws are connected with the connecting part through threads, and the shrinkage joints are reduced through tightening the tightening screws so as to fasten workpieces.
Preferably, the shrinkage joint comprises a first slit and a second slit, the first slit is vertical to the second slit, the first slit is arranged along the axial direction of the clamping cylinder, and the second slit is arranged around the circumference of the clamping cylinder.
Preferably, a supporting piece is detachably connected to the top of the clamping cylinder, and the supporting piece is contacted with the lower side of the end face of the workpiece.
Preferably, the supporting piece is of a cylindrical structure, and the supporting piece is in threaded connection with the clamping cylinder.
Preferably, the connecting part is arranged at the edge of the clamping cylinder and protrudes outwards along the radial direction of the clamping cylinder, and the connecting part is provided with an avoidance gap.
Preferably, the clamping cylinder and the base are vertically arranged, and the positioning hole penetrates through the clamping cylinder and the base.
Preferably, the positioning hole is internally provided with a multi-stage stepped hole.
Preferably, mounting counter bores are formed in four corners of the base.
The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects: compared with the prior art, the utility model vertically installs the processed workpiece in the centering hole of the clamping cylinder, so that the end surface clings to the end surface of the clamping cylinder, the tightening screw is rotated to gradually tighten the tightening joint between the connecting part and the tightening part, the positioning hole is further reduced to be abutted against the surface of the cylindrical workpiece, the operation is simple and quick, the centering effect is good, the clamping is tight, and the precision of the end surface milling notch is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a clamping tool for machining an end face of a cylindrical workpiece according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of the clamping tool of the present utility model after clamping a workpiece;
fig. 3 is a top view of a clamping tool for machining an end face of a cylindrical workpiece in the utility model.
Icon: the clamping device comprises a base, a mounting counter bore, a 2-clamping cylinder, a 21-positioning hole, a 22-tightening part, a 23-supporting piece, a 24-connecting part, a 241-avoidance notch, a 25-shrinkage joint, a 251-first gap, a 252-second gap and a 26-tightening screw.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Examples
The following further describes, with reference to fig. 1-3, a clamping tool for processing an end face of a cylindrical workpiece, where the clamping tool includes a base 1 and a clamping cylinder 2 disposed on an upper side of the base 1, and a positioning hole 21 adapted to a tail end of the workpiece is disposed in a middle of the clamping cylinder 2; the top end of the clamping cylinder 2 is provided with a tightening part 22 and a connecting part 24, the front end of the tightening part 22 and the connecting part 24 are provided with shrinkage joints 25, the front end of the tightening part 22 is provided with tightening screws 26, one ends of the tightening screws 26 are in threaded connection with the connecting part 24, and the shrinkage joints 25 are shrunk by tightening the tightening screws 26 so as to fasten a workpiece; specifically, when the cylindrical workpiece centering device is used, the tail end of the cylindrical workpiece to be machined is placed into the positioning hole 21 of the clamping cylinder 2, the front end machining disc surface of the workpiece is tightly attached to the end surface of the clamping cylinder 2, the tightening screw 26 is used for tightening, the shrinkage joint 25 is reduced, the shrinkage part and the connecting part 24 are tensioned, the shrinkage part is matched with the positioning hole 21 to tightly support and fasten the outer surface of the workpiece, the clamping is simple and convenient, the centering effect of the longer cylindrical workpiece is better, and the precision requirement before the notch of the end surface is machined later is ensured.
As shown in fig. 1, the shrinkage joint 25 in the present embodiment includes a first slit 251 and a second slit 252, the first slit 251 being held perpendicular to the second slit 252, and the first slit 251 being arranged in the axial direction of the grip cylinder 2, the second slit 252 being arranged around the circumferential direction of the grip cylinder 2; specifically, the width of the second gap 252 is the same as the width of the first gap 251, so that the difficulty in tightening the tightening screw 26 is reduced, and the operator saves more effort.
As shown in fig. 2, in order to allow a sufficient space on the lower side when the milling cutter is penetrated through the machining gap, the milling cutter does not contact the end surface of the clamping cylinder 2 to generate a collision cutter, and therefore, in this embodiment, the supporting member 23 is detachably connected to the top of the clamping cylinder 2, and the supporting member 23 contacts the lower side of the end surface of the workpiece.
For convenience of assembly, the supporting member 23 is of a cylindrical structure, and the supporting member 23 is screw-coupled with the clamping cylinder 2.
As shown in fig. 1, in the present embodiment, the connecting portion 24 protrudes outward along the radial direction of the edge of the clamping cylinder 2, and the connecting portion 24 begins to have a avoidance notch 241; specifically, setting this avoidance gap 241 is convenient for the milling cutter to have a larger vertical cutter setting amount.
As shown in fig. 3, the clamping cylinder 2 is arranged perpendicular to the base 1, so that the crushed aggregates can be easily discharged from the clamping cylinder 2 during processing, and the positioning holes 21 penetrate through the clamping cylinder 2 and the base 1, so that impurity fragments can leak out from the positioning holes 21.
In order to ensure that the workpiece falls down or has axial displacement after being inserted into the positioning hole 21, a multi-stage stepped hole is arranged in the positioning hole 21, the opening position of the stepped hole is determined according to the annular bulge on the surface of the workpiece, and the stepped hole is matched with the annular bulge, so that the workpiece can be supported.
In order to facilitate the fixture to be installed on a workbench of a machining center, four corners of a base 1 are provided with installing counter bores 11; specifically, the tool is locked on the workbench by penetrating the mounting counter bore 11 through the bolt and the nut.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a centre gripping frock that cylindricality work piece terminal surface processing was used which characterized in that: the clamping device comprises a base (1) and a clamping cylinder (2) arranged on the upper side of the base (1), wherein a positioning hole (21) matched with the tail end of a workpiece is formed in the middle of the clamping cylinder (2);
the clamping cylinder is characterized in that a tightening part (22) and a connecting part (24) are arranged at the top end of the clamping cylinder (2), a shrinkage joint (25) is arranged at the front end of the tightening part (22) and the connecting part (24), a tightening screw (26) is arranged at the front end of the tightening part (22), one end of the tightening screw (26) is in threaded connection with the connecting part (24), and the shrinkage joint (25) is reduced by tightening the tightening screw (26) so as to fasten a workpiece.
2. The clamping fixture for machining an end face of a cylindrical workpiece according to claim 1, wherein: the shrinkage joint (25) comprises a first slit (251) and a second slit (252), the first slit (251) is vertical to the second slit (252), the first slit (251) is arranged along the axial direction of the clamping cylinder (2), and the second slit (252) is arranged around the circumferential direction of the clamping cylinder (2).
3. The clamping fixture for machining an end face of a cylindrical workpiece according to claim 1, wherein: the top of the clamping cylinder (2) is detachably connected with a supporting piece (23), and the supporting piece (23) is contacted with the lower side of the end face of the workpiece.
4. The clamping fixture for machining the end face of a cylindrical workpiece according to claim 3, wherein: the supporting piece (23) is of a cylindrical structure, and the supporting piece (23) is in threaded connection with the clamping cylinder (2).
5. The clamping fixture for machining an end face of a cylindrical workpiece according to claim 1, wherein: the connecting part (24) is arranged at the edge of the clamping cylinder (2) and protrudes outwards along the radial direction of the clamping cylinder, and the connecting part (24) is provided with a avoidance gap (241).
6. The clamping fixture for machining an end face of a cylindrical workpiece according to claim 1, wherein: the clamping cylinder (2) is vertically arranged with the base (1), and the positioning hole (21) penetrates through the clamping cylinder (2) and the base (1).
7. The clamping tool for machining the end face of a cylindrical workpiece according to claim 6, wherein: the inside of the positioning hole (21) is provided with a multi-stage stepped hole.
8. The clamping fixture for machining an end face of a cylindrical workpiece according to claim 1, wherein: four corners of the base (1) are provided with mounting counter bores (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618538.XU CN220093848U (en) | 2023-06-25 | 2023-06-25 | Clamping tool for machining end face of cylindrical workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321618538.XU CN220093848U (en) | 2023-06-25 | 2023-06-25 | Clamping tool for machining end face of cylindrical workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220093848U true CN220093848U (en) | 2023-11-28 |
Family
ID=88849224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321618538.XU Active CN220093848U (en) | 2023-06-25 | 2023-06-25 | Clamping tool for machining end face of cylindrical workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220093848U (en) |
-
2023
- 2023-06-25 CN CN202321618538.XU patent/CN220093848U/en active Active
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