CN220592827U - Self-centering pneumatic vice - Google Patents
Self-centering pneumatic vice Download PDFInfo
- Publication number
- CN220592827U CN220592827U CN202322280190.4U CN202322280190U CN220592827U CN 220592827 U CN220592827 U CN 220592827U CN 202322280190 U CN202322280190 U CN 202322280190U CN 220592827 U CN220592827 U CN 220592827U
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- main body
- cavity
- self
- air inlet
- movable jaw
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- 239000004519 grease Substances 0.000 claims description 3
- 210000002445 nipple Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011295 pitch Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 239000008188 pellet Substances 0.000 abstract description 5
- 210000001847 jaw Anatomy 0.000 description 40
- 210000003781 tooth socket Anatomy 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of clamps, in particular to a self-centering pneumatic vice. The side wall of the bottom plate is provided with a first air inlet hole, a cavity is arranged in the bottom plate, the lower part of the cavity is communicated with the first air inlet hole, a core block is arranged in the cavity, a main body is arranged on the bottom plate, a second air inlet hole is arranged on the side wall of the main body, the second air inlet hole is communicated with the upper part of the cavity, a pair of oblique sliding holes are symmetrically arranged in the main body, the core block is slidably arranged in the oblique sliding holes, a support column is arranged on the upper part of the core block in the oblique sliding holes, a movable jaw is arranged on the upper part of the support column, and a main jaw is arranged at the inner side end of the movable jaw. This application is earlier through the lower part gas injection of first inlet port to the die cavity, and then makes the pellet upwards move, and then makes the pillar upwards move, and two movable jaws keep away from each other, put into the work piece and stop to first inlet port gas injection this moment, simultaneously through the upper portion gas injection of second inlet port to the die cavity, and then makes the pellet downwardly move, pillar downwardly move, and two movable jaws are close to each other and press from both sides tight work piece.
Description
Technical Field
The utility model relates to the technical field of clamps.
Background
In the production and manufacturing of machining, automation and the like, when a workpiece is clamped, a common clamping mode is that a vice is used for clamping, and a common vice is that a fixed jaw and a movable jaw are used, and the movable jaw is driven to advance or retreat by a person through a handle to rotate a screw rod, so that the workpiece is clamped or loosened. The clamping mode can not realize rapid clamping of workpieces, and can not realize automatic production, and the labor force is hardly reduced and the production efficiency is hardly improved.
Disclosure of Invention
The utility model provides a self-centering pneumatic vice, which aims to solve the technical problem of low working efficiency caused by clamping or loosening a workpiece by a vice by manpower in the prior art.
The technical scheme adopted by the utility model for achieving the purpose is as follows:
a self-centering pneumatic vice is characterized in that a first air inlet hole 4-2 is formed in the side wall of a bottom plate 4, a cavity 6 is formed in the bottom plate 4, the lower portion of the cavity 6 is communicated with the first air inlet hole 4-2, a core block 5 is arranged in the cavity 6, a main body 3 is arranged on the bottom plate 4, a second air inlet hole 3-8 is formed in the side wall of the main body 3, the second air inlet hole 3-8 is communicated with the upper portion of the cavity 6, a pair of inclined slide holes 3-1 are symmetrically formed in the main body 3, the core block 5 is slidably arranged in the inclined slide holes 3-1, a support column 2 is arranged on the upper portion of the core block 5 in the inclined slide holes 3-1, a movable jaw 1 is arranged on the upper portion of the support column 2, and a main jaw 1-2 is arranged at the inner side end of the movable jaw 1.
The main body 3 is longitudinally penetrated with a threaded hole 3-4, a bolt 7 is arranged at the upper part of the threaded hole 3-4, a second air inlet hole 3-8 is communicated with the upper part of the cavity 6 through the threaded hole 3-4, a guide sleeve 8 is arranged on the core block 5 in the threaded hole 3-4, and a spring 9 is arranged on the guide sleeve 8 in the threaded hole 3-4.
A strip-shaped screw through hole 1-4 is longitudinally formed in the movable jaw 1, a loosening screw 1-6 is arranged in the screw through hole 1-4, the movable jaw 1 is arranged on the support column 2 through the loosening screw 1-6, the equal tooth pitch of the lower end of the movable jaw 1 is provided with a first tooth socket 1-5, and the upper end of the support column 2 is provided with a second tooth socket 2-1 corresponding to the first tooth socket 1-5.
The outer side end of the movable jaw 1 is provided with an auxiliary jaw 1-3 through a screw, and the upper end of the movable jaw 1 is provided with an upper cover 1-7 through an upper cover screw 1-8.
A base plate 3-5 is arranged between the two movable jaws 1 on the main body 3, and a positioning block 3-6 is arranged on one side of the movable jaw 1 on the base plate 3-5.
The side wall of the main body 3 is provided with an oil filling nozzle 3-7, and the oil filling nozzle 3-7 is communicated with the inclined slide hole 3-1.
The side wall of the bottom plate 4 is provided with a fixed notch 4-1.
The main body 3 is provided with a main screw via hole 3-2, the main screw via hole 3-2 is internally provided with a main screw 3-3, and the bottom plate 4 is connected with the main body 3 through the main screw 3-3.
Compared with the prior art, the utility model has the following advantages:
be equipped with first inlet port on the lateral wall of this application bottom plate, be equipped with the die cavity in the bottom plate, the lower part and the first inlet port intercommunication of die cavity, installation pellet in the die cavity installs the main part on the bottom plate, is equipped with the second inlet port on the lateral wall of main part, and the second inlet port communicates with the upper portion of die cavity, and the symmetry sets up a pair of oblique slide hole in the main part, pellet slidable mounting in oblique slide hole, and the upper portion that lies in the pellet in the oblique slide hole is equipped with the pillar, and movable jaw is installed on the upper portion of pillar, and main jaw is installed to movable jaw's inboard end. During operation, air pressure is injected to the lower part of the cavity through the first air inlet hole, then the core block moves upwards, then the support column moves upwards along the inclined sliding hole, the two movable jaws are far away from each other, a workpiece is placed at the moment, then air injection to the first air inlet hole is stopped, air pressure injected into the first air inlet hole is discharged, air pressure is injected to the upper part of the cavity through the second air inlet hole, the core block moves downwards, then the support column moves downwards along the inclined sliding hole, the two movable jaws are close to each other to clamp the workpiece, the purpose of automatically clamping and loosening the workpiece is achieved, production efficiency is improved, and labor cost is saved.
Drawings
Fig. 1 is a perspective view of a self-centering pneumatic vise of the present utility model.
Fig. 2 is a side view of a self-centering pneumatic vise of the present utility model.
Fig. 3 is a top view of a self-centering pneumatic vise of the present utility model.
Fig. 4 is a structural development of a self-centering pneumatic vise of the present utility model.
Fig. 5 is a front cross-sectional view of a self-centering pneumatic vise of the present utility model.
Fig. 6 is a side cross-sectional view of a self-centering pneumatic vise of the present utility model.
In the figure: 1. a movable jaw; 1-2, a main jaw; 1-3, auxiliary jaws; 1-4, screw via holes; 1-5, a first tooth socket; 1-6, loosening a screw; 1-7, an upper cover; 1-8, upper cover screws; 2. a support post; 2-1, a second tooth socket; 3. a main body; 3-1, oblique sliding holes; 3-2, a main screw via hole; 3-3, a main screw; 3-4, threaded holes; 3-5, backing plate; 3-6, positioning blocks; 3-7, a grease nipple; 3-8, a second air inlet hole; 4. a bottom plate; 4-1, fixing the notch; 4-2, a first air inlet hole; 5. a core block; 6. a cavity; 7. a bolt; 8. guide sleeve; 9. and (3) a spring.
Detailed Description
According to the self-centering pneumatic vice disclosed by the utility model, as shown in a figure 1-2, a first air inlet 4-2 is arranged on the side wall of a bottom plate 4, a cavity 6 is arranged in the bottom plate 4, the lower part of the cavity 6 is communicated with the first air inlet 4-2, a core block 5 is arranged in the cavity 6, a main body 3 is arranged on the bottom plate 4, a main screw through hole 3-2 is arranged on the main body 3, a main screw 3-3 is arranged in the main screw through hole 3-2, the bottom plate 4 and the main body 3 are connected through the main screw 3-3, a pair of oblique sliding holes 3-1 are symmetrically arranged in the main body 3, the core block 5 is slidably arranged in the oblique sliding holes 3-1, a strut 2 is arranged in the oblique sliding holes 3-1 and is positioned at the upper part of the core block 5, a movable jaw 1 is arranged at the upper part of the strut 2, a strip-shaped screw through hole 1-4 is longitudinally arranged on the movable jaw 1, a loosening screw 1-6 is arranged in the screw through hole 1-4, the main screw through hole 3-2 is arranged on the strut 2, tooth sockets 1-5 are arranged at the lower end of the movable jaw 1 and are equally spaced from tooth sockets 1-5, the corresponding tooth sockets 1-5 are arranged at the first tooth sockets 1-5, the first tooth sockets 1-6 are not screwed down, and the first tooth sockets 1-6 are screwed down, the first tooth sockets 1-5 are not screwed down, and the second tooth sockets 1-1 can be adjusted, the purposes are achieved. The inner side end of the movable jaw 1 is provided with a main jaw 1-2 through a screw, the outer side end of the movable jaw 1 is provided with an auxiliary jaw 1-3 through a screw, the upper end of the movable jaw 1 is provided with an upper cover 1-7 through an upper cover screw 1-8, and impurities are prevented from entering the first tooth groove 1-5 and the second tooth groove 2-1 through the upper cover 1-7. As shown in FIG. 6, the main body 3 is longitudinally and penetratingly provided with a threaded hole 3-4, the threaded hole 3-4 is communicated with the cavity 6, a guide sleeve 8 is arranged on the core block 5 and positioned in the threaded hole 3-4, a spring 9 is arranged on the guide sleeve 8 and positioned in the threaded hole 3-4, a bolt 7 is arranged on the upper portion of the threaded hole 3-4, a second air inlet hole 3-8 is arranged on the side wall of the main body 3, the second air inlet hole 3-8 is communicated with the upper portion of the cavity 6 through the threaded hole 3-4, and maintenance and repair can be conveniently performed inside the threaded hole 3-4 through the disassembly of the bolt 7. A base plate 3-5 is arranged between the two movable jaws 1 on the main body 3, and a positioning block 3-6 is arranged on one side of the movable jaw 1 on the base plate 3-5 and used for positioning the bottom surface and the end surface of a workpiece. The side wall of the main body 3 is provided with an oil injection nozzle 3-7, the oil injection nozzle 3-7 is communicated with the inclined slide hole 3-1, and lubricating oil is injected into the inclined slide hole 3-1 through the oil injection nozzle 3-7. The side wall of the bottom plate 4 is provided with a fixing notch 4-1, and the self-centering pneumatic vice is fixed through the fixing notch 4-1.
Working principle: firstly, air pressure is injected into the lower part of a cavity 6 in a bottom plate 4 through a first air inlet hole 4-2, so that a core block 5 moves upwards, further, a support column 2 moves upwards along an inclined sliding hole 3-1, two movable jaws 1 move away from each other, at the moment, a workpiece is placed on the bottom surface and the end surface of the workpiece through a positioning block 3-6, after the workpiece is placed, air injection into the first air inlet hole 4-2 is stopped, air pressure of the first air inlet hole 4-2 injected into the lower part of the cavity 6 is discharged, the core block 5 moves downwards through the elastic force of a spring 9 arranged on a guide sleeve 8, further, the support column 2 moves downwards along the inclined sliding hole 3-1, the two movable jaws 1 drive the two main jaws 1-2 to be close to each other to clamp the workpiece, then air pressure is injected into the upper part of the cavity 6 through a second air inlet hole 3-8 to provide downward thrust for the core block 5, further, the clamping force of the two movable jaws 1 to the workpiece is increased, the two movable jaws 1 clamp the workpiece more firmly, and the air inlet hole is adjusted through the spring 9 with different strength, and the air inlet pressure is adjusted properly.
When gas is injected into the cavity 6 to enable the core block 5 to move upwards, the two movable jaws 1 are far away from each other to drive the two auxiliary jaws 1-3 to be far away from each other, so that the auxiliary jaws 1-3 prop against the inner wall of the cylindrical workpiece to clamp the cylindrical workpiece.
The present utility model has been described in terms of embodiments, and it will be appreciated by those of skill in the art that various changes can be made to the features and embodiments, or equivalents can be substituted, without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The self-centering pneumatic vice is characterized in that a first air inlet hole (4-2) is formed in the side wall of a bottom plate (4), a cavity (6) is formed in the bottom plate (4), the lower portion of the cavity (6) is communicated with the first air inlet hole (4-2), a core block (5) is installed in the cavity (6), a main body (3) is installed on the bottom plate (4), a second air inlet hole (3-8) is formed in the side wall of the main body (3), the second air inlet hole (3-8) is communicated with the upper portion of the cavity (6), a pair of oblique sliding holes (3-1) are symmetrically formed in the main body (3), the core block (5) is slidably installed in the oblique sliding holes (3-1), a support column (2) is arranged on the upper portion of the core block (5), a movable jaw (1) is installed on the upper portion of the support column (2), and a main jaw (1-2) is installed at the inner side end of the movable jaw (1).
2. The self-centering pneumatic vice according to claim 1, wherein the main body (3) is longitudinally provided with a threaded hole (3-4) in a penetrating manner, a bolt (7) is arranged at the upper part of the threaded hole (3-4), the second air inlet hole (3-8) is communicated with the upper part of the cavity (6) through the threaded hole (3-4), the guide sleeve (8) is arranged in the threaded hole (3-4) on the core block (5), and the spring (9) is arranged on the guide sleeve (8) in the threaded hole (3-4).
3. The self-centering pneumatic vice according to claim 1, wherein strip-shaped screw through holes (1-4) are longitudinally formed in the movable jaw (1), loosening screws (1-6) are arranged in the screw through holes (1-4), the movable jaw (1) is arranged on the support column (2) through the loosening screws (1-6), first tooth grooves (1-5) are formed in the lower end of the movable jaw (1) at equal tooth pitches, and second tooth grooves (2-1) are formed in the upper end of the support column (2) corresponding to the first tooth grooves (1-5).
4. The self-centering pneumatic vice according to claim 1, wherein the outer side end of the movable jaw (1) is provided with the auxiliary jaw (1-3) through a screw, and the upper end of the movable jaw (1) is provided with the upper cover (1-7) through an upper cover screw (1-8).
5. The self-centering pneumatic vice according to claim 1, wherein a base plate (3-5) is arranged between the two movable jaws (1) on the main body (3), and a positioning block (3-6) is arranged on one side of the movable jaw (1) on the base plate (3-5).
6. The self-centering pneumatic vice according to claim 1, wherein the side wall of the main body (3) is provided with a grease nipple (3-7), and the grease nipple (3-7) is communicated with the inclined sliding hole (3-1).
7. A self-centering pneumatic vice according to claim 1, characterized in that the side walls of the base plate (4) are provided with fixing notches (4-1).
8. The self-centering pneumatic vice according to claim 1, wherein the main body (3) is provided with a main screw via hole (3-2), the main screw via hole (3-2) is internally provided with a main screw (3-3), and the bottom plate (4) is connected with the main body (3) through the main screw (3-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322280190.4U CN220592827U (en) | 2023-08-24 | 2023-08-24 | Self-centering pneumatic vice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322280190.4U CN220592827U (en) | 2023-08-24 | 2023-08-24 | Self-centering pneumatic vice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220592827U true CN220592827U (en) | 2024-03-15 |
Family
ID=90182365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322280190.4U Active CN220592827U (en) | 2023-08-24 | 2023-08-24 | Self-centering pneumatic vice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220592827U (en) |
-
2023
- 2023-08-24 CN CN202322280190.4U patent/CN220592827U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |