CN220699407U - Pneumatic internal stay device - Google Patents
Pneumatic internal stay device Download PDFInfo
- Publication number
- CN220699407U CN220699407U CN202322432617.8U CN202322432617U CN220699407U CN 220699407 U CN220699407 U CN 220699407U CN 202322432617 U CN202322432617 U CN 202322432617U CN 220699407 U CN220699407 U CN 220699407U
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- inner shaft
- air cylinder
- elastic expansion
- mounting plate
- cylinder
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- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a pneumatic internal support device which comprises a mounting plate, an air cylinder, an inner shaft, a supporting seat and an expansion cylinder, wherein the air cylinder is arranged on one surface of the mounting plate, the supporting seat is arranged on the other surface of the mounting plate, the inner shaft is connected with the air cylinder, the inner shaft is driven by the air cylinder to move towards the direction close to or far away from the air cylinder, the inner shaft sequentially passes through the mounting plate and the supporting seat, the expansion cylinder comprises a circular ring part and a plurality of elastic expansion walls, the circular ring part is fixed on the supporting seat, one ends of the elastic expansion walls are arranged on the circular ring part in a surrounding mode at intervals, circular table-shaped holes are formed in the surrounding mode of the other ends of the elastic expansion walls, the elastic expansion walls are positioned on the periphery of the inner shaft, and a circular table block is arranged at the end part of the inner shaft far away from the air cylinder. The technical scheme is used for solving the problems that the existing workpiece fixing clamp is low in clamping efficiency and affects appearance.
Description
Technical Field
The utility model belongs to the technical field of clamping tools, and particularly relates to a pneumatic internal stay device.
Background
In the industry of hardware products, the processing and manufacturing of hardware workpieces need to be fixed on processing and manufacturing equipment to carry out subsequent operation, standardized clamps used for fixing the workpieces on conventional hardware workpiece processing and manufacturing equipment often need to assemble the workpieces one by one and then clamp and fix the workpieces through fixing connecting pieces such as manually installed locking screws and the like, the whole operation flow efficiency is low, the delivery capacity is influenced, the burden of operators is increased, human resources are consumed, and the outer surface of a product is easily damaged in a clamping mode from the outside, so that the appearance of the product is influenced.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a pneumatic internal support device which solves the problems of low clamping efficiency and influence on the appearance of the existing workpiece fixing clamp.
The utility model provides a pneumatic internal support device, which comprises a mounting plate, an air cylinder, an inner shaft, a supporting seat and an expansion cylinder, wherein the air cylinder is arranged on one surface of the mounting plate, the supporting seat is arranged on the other surface of the mounting plate, the inner shaft is connected with the air cylinder, the inner shaft is driven by the air cylinder to move towards the direction close to or far away from the air cylinder, the inner shaft sequentially passes through the mounting plate and the supporting seat, the expansion cylinder comprises a circular ring part and a plurality of elastic expansion walls, the circular ring part is fixed on the supporting seat, one ends of the plurality of elastic expansion walls are arranged on the circular ring part in a surrounding manner at intervals, a circular table-shaped hole is formed at the other ends of the plurality of elastic expansion walls, the plurality of elastic expansion walls are positioned on the periphery of the inner shaft, and a circular table block is arranged at the end part of the inner shaft far away from the air cylinder, when the air cylinder drives the inner shaft to move towards the direction close to the air cylinder, the circular table block is inserted into the circular table-shaped hole, so that the plurality of elastic expansion walls are mutually far away from the outside; when the cylinder drives the inner shaft to move in the direction away from the cylinder, the round table block is separated from the round table-shaped hole, so that the elastic expansion walls are deformed and recovered and are close to each other to shrink.
Further, the number of the cylinders is multiple, and correspondingly, the number of the inner shafts, the supporting seats and the expansion cylinders is also multiple, and the cylinders, the inner shafts, the supporting seats and the expansion cylinders are arranged in one-to-one correspondence.
Further, the supporting seat is in threaded connection with the circular ring portion.
The pneumatic internal bracing device is suitable for clamping workpieces with inner holes, the inner holes of the workpieces can be sleeved outside the expansion cylinder when the workpieces are clamped, the inner shaft is driven by the air cylinder to move towards the direction close to the air cylinder, the round table block is inserted into the round table-shaped hole, so that the elastic expansion walls are mutually far away from each other to expand outwards, the workpieces are clamped through the elastic expansion walls, and the pneumatic internal bracing device has the advantages of high stability, is accurate in positioning and quick in clamping in the clamping process, and can avoid abrasion damage to the appearance of the workpieces when being clamped from the inner holes.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of a pneumatic internal support device.
Detailed Description
The utility model discloses a pneumatic internal support device which has the advantages of high clamping efficiency and capability of avoiding influencing the appearance of a workpiece.
The following description of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is shown, however, some, but not all embodiments of the utility model are shown. 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.
Referring to fig. 1, the utility model discloses a pneumatic internal support device, which comprises a mounting plate 1, an air cylinder 9, an inner shaft 3, a supporting seat 2 and an expansion cylinder 8, wherein the air cylinder 9 is arranged on one surface of the mounting plate 1, the supporting seat 2 is arranged on the other surface of the mounting plate 1, the inner shaft 3 is connected with the air cylinder 9, the air cylinder 9 drives the inner shaft 3 to move towards a direction approaching or far away from the air cylinder 9, the inner shaft 3 sequentially passes through the mounting plate 1 and the supporting seat 2, the expansion cylinder 8 comprises a circular ring part 5 and a plurality of elastic expansion walls 6, the circular ring part 5 is fixed on the supporting seat 2, one ends of the plurality of elastic expansion walls 6 are arranged on the circular ring part 5 at intervals, the other ends of the plurality of elastic expansion walls 6 are formed with circular truncated cone-shaped holes 7 in a surrounding manner, the plurality of elastic expansion walls 6 are positioned on the periphery of the inner shaft 3, the end part of the air cylinder 9 is provided with a circular truncated cone-shaped block 4, and when the air cylinder 9 drives the inner shaft 3 to move towards the direction approaching the mounting plate 1 and the supporting seat 2, the circular cone-shaped expansion walls 6 are inserted into the circular truncated cone-shaped holes 4 at intervals; when the cylinder 9 drives the inner shaft 3 to move away from the cylinder 9, the round table block 4 is separated from the round table-shaped hole 7, so that the plurality of elastic expansion walls 6 are deformed and restored and are close to each other to shrink.
The number of the air cylinders 9 is multiple, and correspondingly, the number of the inner shafts 3, the supporting seats 2 and the expansion cylinders 8 is also multiple, and the air cylinders 9, the inner shafts 3, the supporting seats 2 and the expansion cylinders 8 are arranged in one-to-one correspondence.
The supporting seat 2 is in threaded connection with the circular ring part 5.
The pneumatic internal bracing device provided by the utility model is suitable for clamping a workpiece with an inner hole, when the workpiece is clamped, the inner hole of the workpiece can be sleeved outside the expansion cylinder 8, the inner shaft 3 is driven to move towards the direction close to the cylinder 9 by the cylinder 9, the round table block 4 is inserted into the round table-shaped hole 7, so that a plurality of elastic expansion walls 6 are mutually far away from each other to expand outwards, the workpiece is clamped by the plurality of elastic expansion walls 6, and the pneumatic internal bracing device has the advantages of high stability, accurate positioning and quick clamping in the clamping process, and can avoid abrasion damage to the appearance of the workpiece when being clamped from the inner hole.
The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (3)
1. The pneumatic internal support device is characterized by comprising a mounting plate, an air cylinder, an inner shaft, a supporting seat and an expansion cylinder, wherein the air cylinder is arranged on one surface of the mounting plate, the supporting seat is arranged on the other surface of the mounting plate, the inner shaft is connected with the air cylinder, the inner shaft is driven by the air cylinder to move towards the direction close to or away from the air cylinder, the inner shaft sequentially passes through the mounting plate and the supporting seat, the expansion cylinder comprises a circular ring part and a plurality of elastic expansion walls, the circular ring part is fixed on the supporting seat, one ends of the elastic expansion walls are arranged on the circular ring part in a surrounding manner at intervals, a circular table-shaped hole is formed in the other ends of the elastic expansion walls, the elastic expansion walls are arranged on the periphery of the inner shaft, and a circular table block is arranged at the end part of the inner shaft far away from the air cylinder, so that when the air cylinder drives the inner shaft to move towards the direction close to the air cylinder, the circular table block is inserted into the circular table-shaped hole, and the elastic expansion walls are mutually far away from the outer side; when the cylinder drives the inner shaft to move in the direction away from the cylinder, the round table block is separated from the round table-shaped hole, so that the elastic expansion walls are deformed and recovered and are close to each other to shrink.
2. The pneumatic internal stay device according to claim 1, wherein the number of the cylinders is plural, and the number of the inner shafts, the supporting seats and the expansion cylinders are plural, and the plurality of the cylinders, the plurality of the inner shafts, the plurality of the supporting seats and the plurality of the expansion cylinders are arranged in one-to-one correspondence.
3. A pneumatic internal stay device according to claim 1, wherein the support seat is threadably connected to the annular ring portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322432617.8U CN220699407U (en) | 2023-09-08 | 2023-09-08 | Pneumatic internal stay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322432617.8U CN220699407U (en) | 2023-09-08 | 2023-09-08 | Pneumatic internal stay device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220699407U true CN220699407U (en) | 2024-04-02 |
Family
ID=90440313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322432617.8U Active CN220699407U (en) | 2023-09-08 | 2023-09-08 | Pneumatic internal stay device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220699407U (en) |
-
2023
- 2023-09-08 CN CN202322432617.8U patent/CN220699407U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |