CN211082443U - Cylinder self-locking device and gang drill cylinder thereof - Google Patents
Cylinder self-locking device and gang drill cylinder thereof Download PDFInfo
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- CN211082443U CN211082443U CN201921365388.XU CN201921365388U CN211082443U CN 211082443 U CN211082443 U CN 211082443U CN 201921365388 U CN201921365388 U CN 201921365388U CN 211082443 U CN211082443 U CN 211082443U
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Abstract
The utility model provides a cylinder self-locking device and gang drill cylinder thereof, the self-locking device comprises a self-locking seat, a first mounting hole for inserting the gang drill cylinder and a groove for placing a locking slider are arranged on the self-locking seat, and the locking slider is pressed between the groove wall of the groove and the piston of the gang drill cylinder through a self-locking spring; when the piston ejects the rotating shaft, the self-locking spring pushes the locking slide block out along the groove and is clamped in the notch of the outer wall of the piston. The utility model discloses can pin the piston through self-lock device after the pivot descends, the gang drill cylinder is in the work position all the time after the gas failure to the tool retracting phenomenon can not take place, and the depth of processing of hole site is unanimous.
Description
Technical Field
The utility model belongs to the technical field of the gang drill, a self-lock device is related to, especially relate to a cylinder self-lock device and gang drill cylinder thereof.
Background
At present, in the furniture manufacturing industry, the connection of panel furniture and the installation of hardware fittings mostly need to punch holes on the surface of a panel, and punching equipment is generally a woodworking machine or a punching machine with a pneumatic gang drill. However, the existing pneumatic gang drill structure has no self-locking function, the rotating shaft which needs to work is driven to descend only by the cylinder, and the rotating shaft is lifted and reset by the reset spring after descending. The air pressure type gang drill structure needs to supply air to the air cylinder all the time after the rotating shaft descends so as to enable the rotating shaft to be in a working position state, the required air pressure is large, and the rotating shaft is easy to return upwards under the condition of insufficient air supply, namely the cutter is withdrawn, so that the processing depth of a drill bit to a hole position is influenced, and the drilling depth quality and consistency are difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
In view of the above prior art's shortcoming, the utility model aims to provide a cylinder self-lock device and gang drill cylinder thereof for solve among the prior art problem that the pivot easily moves back the sword under the not enough condition of air feed.
In order to achieve the above objects and other related objects, the present invention provides a cylinder self-locking device, which comprises:
the self-locking seat is provided with a first mounting hole for inserting the gang drill cylinder and a groove for placing the locking sliding block, and the groove is communicated with the first mounting hole;
one end of the locking sliding block is pressed on the groove wall of the groove through a self-locking spring, and the other end of the locking sliding block is abutted against the piston of the gang drill cylinder through the self-locking spring;
when the gang drill cylinder is used for air intake and the piston is used for ejecting the rotating shaft, the self-locking spring pushes the locking slide block out along the groove and is clamped in the gap of the outer wall of the piston.
In an embodiment of the utility model, from the lock seat still be equipped with first mounting hole parallel arrangement's second mounting hole, insert in the second mounting hole from the auto-lock cylinder of lock seat, the rigid coupling has the briquetting on the auto-lock cylinder promotes the briquetting is impressed in the holding tank of locking slider, locking slider card is gone into the breach.
In an embodiment of the utility model, from the lock seat still be equipped with first mounting hole is the second mounting hole that the contained angle set up, insert in the second mounting hole from the auto-lock cylinder of lock seat, the auto-lock cylinder is double-acting cylinder, this auto-lock cylinder's telescopic link lug connection locking slider drives when admitting air locking slider is to keeping away from breach one side is removed.
In an embodiment of the present invention, the first mounting hole and the cylinder body of the gang drill cylinder adopt interference fit.
In an embodiment of the present invention, the notch is an annular groove and is located the outer wall of the locking slider, the supporting surface for supporting the notch on the locking slider is a curved surface, and the curved surface is adapted to the annular groove.
In an embodiment of the present invention, the side wall of the pressing block and the groove wall of the accommodating groove are respectively provided with an inclined plane, the inclined plane is away from the self-locking cylinder, which is closer to the self-locking cylinder, is closer to the first mounting hole.
In an embodiment of the present invention, the pressing block is a special-shaped column with a parallelogram cross section.
In an embodiment of the present invention, the second mounting hole is connected to the cylinder body of the self-locking cylinder by a screw thread.
In an embodiment of the present invention, the self-locking seat is provided with a threaded hole for connecting the box body.
The utility model also provides a gang drill cylinder, include cylinder body and arrange in piston in the cylinder body, the coaxial pivot that is equipped with on the piston, the gang drill cylinder still includes above-mentioned arbitrary any cylinder self-lock device
As above, the utility model discloses a cylinder self-lock device and gang drill cylinder thereof pins the piston through self-lock device after the pivot descends, can allow gang drill cylinder to cut off gas this moment for the pivot is in the work position all the time, can not take place the tool retracting phenomenon when the pivot punches this moment, and the depth of processing of hole site is unanimous.
Drawings
Fig. 1 is a schematic view illustrating the assembly of the self-locking device and the gang drill cylinder according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a self-locking device according to an embodiment of the present invention.
FIG. 3 is a cross-sectional view of the self-locking socket of FIG. 2 in an embodiment.
Fig. 4 is a bottom view of the self-locking device of the present invention in an embodiment.
Fig. 5 is a bottom view of the locking slider according to an embodiment of the present invention.
Description of the element reference numerals
1 gang drill cylinder
11 cylinder body
12 piston
13 rotating shaft
14 spring
15 cylinder front cover
16 cylinder gland
2 self-locking device
21 self-locking seat
22 locking slide block
221 accommodating groove
222 support part
223 bearing surface
224 guide part
23 briquetting
24 self-locking spring
25 self-locking cylinder
26 first mounting hole
261 stepped bore
27 groove
28 second mounting hole
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The gang drill cylinder 1 is often used for a box (not shown) of a woodworking machine or a punching machine for punching a plate. As shown in fig. 1, the gang drill cylinder 1 includes a cylinder block 11, a piston 12 disposed in the cylinder block 11, and a rotating shaft 13 coaxially disposed on the piston 12, wherein a cylinder front cover 15 and a cylinder gland 16 are respectively covered at two axial ends of the cylinder block 11. Wherein, a through hole for the piston 12 to extend out is arranged on the front cover 15 of the cylinder. In addition, a spring 14 is further sleeved on the piston 12, one end of the spring 14 abuts against the piston 12, and the other end of the spring 14 abuts against a cylinder front cover 15.
When the gang drill cylinder 1 is charged, the piston 12 thereof is pushed, the rotating shaft 13 is pushed out along with the piston, the plate is punched, and the spring 14 is compressed. When the gas of the gang drill cylinder 1 is cut off, the piston 12 is pushed to reset according to the counterforce of the spring 14. Because in the process of punching, the gang drill cylinder 1 must continuously admit air, so the required air pressure is large, if insufficient air supply occurs, the cutter retreats, and the punching effect is influenced.
In order to solve the above problem, the utility model provides a cylinder self-lock device, please refer to fig. 1 for install on the cylinder body 11 of gang drill cylinder 1, when gang drill cylinder 1 promotes pivot 13 ejecting, by self-lock device 2 with pivot 13 position locking, but gang drill cylinder 1 outage this moment.
As shown in fig. 1-3, the cylinder self-locking device includes a self-locking seat 21 and a locking slider 22, the self-locking seat 21 is provided with a first mounting hole 26 for inserting the gang drill cylinder 1 and a groove 27 for placing the locking slider 22, wherein the groove 27 is communicated with the first mounting hole 26. To facilitate the mounting and dismounting of the locking slider 22, a groove 27 is provided on an axial end face of the self-locking seat 21. The axial direction of the first mounting hole 26 is further provided with a stepped hole 261, when the gang drill cylinder 1 is inserted into the first mounting hole 26, the cylinder front cover 15 of the gang drill cylinder 1 abuts against the stepped surface of the stepped hole 261, the piston 12 and the rotating shaft 13 of the gang drill cylinder 1 are inserted into the first mounting hole 26, and meanwhile, the cylinder body 11 of the gang drill cylinder 1 is in interference fit with the hole wall of the stepped hole 261 to be fixed.
In the radial direction of the first mounting hole 26, one end of the locking slider 22 is pressed against the groove wall of the groove 27 through the self-locking spring 24, when the gang drill cylinder 1 is inserted into the first mounting hole 26, the self-locking spring 24 presses the other end of the locking slider 22 against the outer wall of the piston 12 thereof, and at this time, the self-locking spring 24 is in a compressed state, as shown in fig. 1 and 3. Of course, the self-locking spring 24, the locking slider 22 and the self-locking seat 21 may be fixed together as a whole, for example, the self-locking spring 24 may be adhered to the groove walls of the groove 27 of the locking slider 22 and the self-locking seat 21, respectively. The groove 27 may be disposed perpendicular to the first mounting hole 26, or may be disposed at other angles, which is not limited. When the gang drill cylinder 1 is mounted on a box body (not shown) of a woodworking machine or a punching machine, the gang drill cylinder 1 is fixed on the box body through the self-locking seat 21, and the axial end face of the self-locking seat 21 where the groove 27 is located is attached to the surface of the box body, so that a cavity for placing the locking slide block 22 and the self-locking spring 24 is formed.
As shown in fig. 1, a notch is further provided on the outer wall of the piston 12, and the notch may be a hole or a groove, when the rotating shaft 13 is not ejected, the notch is located on the rear side of the ejecting direction of the rotating shaft 13 compared with the locking slider 22, and when the gang drill cylinder 1 pushes the rotating shaft 13 to eject through the piston 12, and the notch passes through the locking slider 22, the locking spring 24 thereof pushes the locking slider 22 out along the groove 27 and is locked in the notch, so as to lock the protruding position of the rotating shaft 13 through the piston 12.
To ensure that the locking of the piston 12 by the self-locking spring 24 is more robust without damaging the surface of the piston 12. In this embodiment, as shown in fig. 4 and 5, the notch may be an annular groove formed on the outer wall of the locking slider 22, and the supporting surface 223 of the locking slider 22 abutting against the notch is a curved surface, which is adapted to the annular groove, and both have the same curvature radius. Therefore, after the locking slider 22 is clamped into the notch, the supporting portion 222 is attached to the curved surface of the rotating shaft 13, so that a larger contact area is provided, the contact stress of the contact portion of the locking slider 22 and the rotating shaft is ensured to be smaller, and the surface materials of the locking slider 22 and the piston 12 are prevented from being damaged.
After the lock pin slider is clamped into the notch of the piston 12, the lock pin slider is reset by using a self-locking cylinder 25 arranged on the self-locking seat 21. In this embodiment, as shown in fig. 1 to fig. 3, a second mounting hole 28 for inserting the self-locking cylinder 25 is formed on the self-locking seat 21, the second mounting hole 28 is communicated with the groove 27, and a screw thread may be tapped on a hole wall of the second mounting hole 28, so that the cylinder body of the self-locking cylinder 25 is in threaded connection with the second mounting hole 28.
In an embodiment, the second mounting hole 28 is formed in the radial direction of the first mounting hole 26, for example, the second mounting seat is vertically communicated with the groove 27, the self-locking cylinder 25 is a double-acting cylinder, the telescopic rod of the self-locking cylinder 25 can be directly connected with the locking slider 22, and when the self-locking cylinder 25 is used for air intake, the telescopic rod drives the locking slider 22 to move to the side away from the notch until the locking slider 22 is completely withdrawn from the notch.
In another embodiment, the second mounting hole 28 is disposed parallel to the first mounting hole 26 to reduce the overall volume of the self-locking device 2, as shown in fig. 2 and 3. Meanwhile, the telescopic rod of the self-locking cylinder 25 is fixedly connected with a pressing block 23 by fasteners such as bolts and screws, and correspondingly, the locking slide 22 is provided with an accommodating groove 221, the accommodating groove 221 can penetrate through two axial end faces of the locking slide 22, and can also be formed by inwards recessing the axial end face close to the second mounting hole 28 to form the accommodating groove 221. The side wall of the pressing block 23 has an inclined surface, and the corresponding receiving groove 221 has a matching inclined surface, where the inclined surface is far away from the self-locking cylinder 25 and is closer to the first mounting hole 26 than the inclined surface is close to the self-locking cylinder 25, and the inclined surface may be a plane or a curved surface. The pressing block 23 can also be a special-shaped column which is integrally inclined, and the section of the special-shaped column is a parallelogram. It should be noted that, in the process of pressing the pressing block 23 into the accommodating groove 221, the position on the inclined surface of the pressing block 23 far from the self-locking cylinder 25 starts to be pressed down from the position on the inclined surface of the accommodating groove 221 near the self-locking cylinder 25, so that the locking slider 22 gradually exits from the notch along with the continuous pressing down of the pressing block 23.
When the piston 12 needs to be reset, the self-locking cylinder 25 is filled with air to push the pressing block 23, one end of the inclined surface of the pressing block 23, which is far away from the cylinder body 11 of the self-locking cylinder 25, starts to press down along the inclined surface of the accommodating groove 221, and the locking slide block 22 gradually exits from the notch in the pressing process. After the locking slider 22 is completely withdrawn from the notch, the piston 12 pulls the rotating shaft 13 to reset under the action of the reset spring 14.
Further, two threaded holes for connecting the box body are axially formed in the self-locking seat 21, as shown in fig. 4, one threaded hole is symmetrically formed on each side of a connecting line formed by connecting the axis of the first mounting hole 26 and the axis of the second mounting hole 28, and the threaded hole is arranged close to the second mounting hole 28. In another embodiment, in order to avoid the threaded hole, the locking slider 22 is composed of a supporting portion 222 abutting against the notch and a guiding portion 224 forming the receiving groove 221, wherein the locking slider 22 composed of the supporting portion 222 and the guiding portion 224 is substantially Y-shaped, as shown in fig. 4 and 5, and accordingly, the groove 27 is adapted according to the shape of the locking slider 22, so that the groove 27 is composed of a supporting groove for placing the supporting portion 222 and a guiding groove for placing the guiding portion 224, and at this time, one end of the self-locking spring 24 abuts against the groove wall of the supporting groove, and the other end abuts against the supporting portion 222.
The utility model discloses a gang drill cylinder 1 has self-lock device 2, pins piston 12 through self-lock device 2 after pivot 13 descends, can allow gang drill cylinder 1 gassing off this moment for pivot 13 is in the work position all the time, and the cutter withdrawal phenomenon can not take place when pivot 13 punches this moment, and the depth of processing of hole site is unanimous.
Meanwhile, air supply is needed only when the rotating shaft 13 is pushed, so that the required air quantity is small, and energy is saved.
Referring to fig. 1, the following describes an assembly process of the self-locking device 2 of the present embodiment:
the locking slider 22 and the self-locking spring 24 are first inserted into the recess 27.
Subsequently, the gang drill cylinder 1 is inserted into the first mounting hole 26, the cylinder front cover 15 of the gang drill cylinder 1 abuts against the step surface of the step hole 261, the rotating shaft 13 passes through the first mounting hole 26, at this time, one end of the self-locking spring 24 abuts against the groove wall of the groove 27, the other end of the self-locking spring 24 abuts against the locking slider 22 on the piston 12 of the gang drill cylinder 1, and meanwhile, the gap of the piston 12 is located on the rear side of the ejection direction of the rotating shaft 13 compared with the locking slider 22.
Next, the lock cylinder 25 is screwed into the second mounting hole 28.
Finally, the self-locking seat 21 is connected to the case.
Referring to fig. 1, the following describes the working principle of the self-locking device 2 of the present embodiment:
and (3) starting drilling, enabling the gang drill cylinder 1 to start air intake, enabling the piston 12 to drive the rotating shaft 13 to eject outwards, enabling the self-locking spring 24 to push the locking slider 22 out along the groove 27 and clamp the locking slider into the notch when the notch passes through the locking slider 22, locking the extending position of the rotating shaft 13 through the piston 12, and enabling the gang drill cylinder 1 to cut off air and rotate to perform drilling action.
After drilling is finished, the self-locking cylinder 25 is charged, the pressing block 23 is pushed, the pressing block 23 is pressed into the accommodating groove 221, one end, far away from the cylinder body 11 of the self-locking cylinder 25, on the inclined surface of the pressing block 23 is pressed downwards along the inclined surface of the accommodating groove 221, the position, far away from the self-locking cylinder 25, on the inclined surface of the pressing block 23 is pressed downwards from the position, close to the self-locking cylinder 25, on the inclined surface of the accommodating groove 221, so that the locking slide block 22 gradually exits from the notch along with continuous. After the locking slider 22 is completely withdrawn from the notch, the piston 12 pulls the rotating shaft 13 to reset under the action of the reset spring 14.
To sum up, the utility model discloses various shortcomings in the prior art have effectively been overcome and high industry value has.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A cylinder self-lock device, characterized in that, self-lock device includes:
the self-locking seat is provided with a first mounting hole for inserting the gang drill cylinder and a groove for placing the locking sliding block, and the groove is communicated with the first mounting hole;
one end of the locking sliding block is pressed on the groove wall of the groove through a self-locking spring, and the other end of the locking sliding block is abutted against the piston of the gang drill cylinder through the self-locking spring;
when the air inlet of the gang drill cylinder is utilized and the rotating shaft of the gang drill cylinder is ejected out by the piston, the self-locking spring pushes the locking slide block out along the groove and clamps the locking slide block into the gap of the outer wall of the piston.
2. The cylinder self-locking device according to claim 1, characterized in that: the self-locking seat is further provided with a second mounting hole which is parallel to the first mounting hole, the self-locking cylinder of the self-locking seat is inserted into the second mounting hole, a pressing block is fixedly connected to the self-locking cylinder and pushes the pressing block to be pressed into the accommodating groove of the locking sliding block, and the locking sliding block is clamped into the notch.
3. The cylinder self-locking device according to claim 1, characterized in that: the self-locking seat is further provided with a second mounting hole which is arranged at an included angle with the first mounting hole, the self-locking cylinder of the self-locking seat is inserted into the second mounting hole, the self-locking cylinder is a double-acting cylinder, and a telescopic rod of the self-locking cylinder is directly connected with the locking sliding block and drives the locking sliding block to move towards one side of the notch when air enters the self-locking seat.
4. The cylinder self-locking device according to claim 1, characterized in that: the first mounting hole and the cylinder body of the gang drill cylinder adopt interference fit.
5. The cylinder self-locking device according to claim 1, characterized in that: the breach is the annular groove and locates locking slider's outer wall, the last holding surface that supports the breach of locking slider is the curved surface, this curved surface with the annular groove suits.
6. The cylinder self-locking device according to claim 2, characterized in that: the lateral wall of briquetting and the cell wall of holding tank are equipped with an inclined plane respectively, the inclined plane is kept away from auto-lock cylinder department is close more in its department of being close to auto-lock cylinder is close to first mounting hole.
7. The cylinder self-locking device according to claim 6, characterized in that: the pressing block is a special-shaped column with a parallelogram section.
8. The cylinder self-locking device according to claim 2 or 3, characterized in that: the second mounting hole is in threaded connection with the cylinder body of the self-locking cylinder.
9. The cylinder self-locking device according to claim 1, characterized in that: and the self-locking seat is provided with a threaded hole for connecting the box body.
10. A gang drill cylinder comprises a cylinder body and a piston arranged in the cylinder body, wherein a rotating shaft is coaxially arranged on the piston, and the gang drill cylinder further comprises a cylinder self-locking device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921365388.XU CN211082443U (en) | 2019-08-21 | 2019-08-21 | Cylinder self-locking device and gang drill cylinder thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921365388.XU CN211082443U (en) | 2019-08-21 | 2019-08-21 | Cylinder self-locking device and gang drill cylinder thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082443U true CN211082443U (en) | 2020-07-24 |
Family
ID=71644779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921365388.XU Active CN211082443U (en) | 2019-08-21 | 2019-08-21 | Cylinder self-locking device and gang drill cylinder thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211082443U (en) |
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2019
- 2019-08-21 CN CN201921365388.XU patent/CN211082443U/en active Active
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