CN208438001U - A kind of telescoping clamp - Google Patents
A kind of telescoping clamp Download PDFInfo
- Publication number
- CN208438001U CN208438001U CN201821014616.4U CN201821014616U CN208438001U CN 208438001 U CN208438001 U CN 208438001U CN 201821014616 U CN201821014616 U CN 201821014616U CN 208438001 U CN208438001 U CN 208438001U
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- CN
- China
- Prior art keywords
- chuck body
- piston shaft
- backing plate
- hydraulic cavities
- hydraulic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of telescoping clamps, including chuck body, piston shaft, wear-resistant block and backing plate.Chuck body is tilted to be provided with accommodating cavity;The rear end of chuck body is equipped with end cap, and piston shaft is movably installed in chuck body;The front end of piston shaft is provided with L-shaped wear-resistant block;The first hydraulic cavities and the second hydraulic cavities are provided between chuck body and piston shaft;Self-locking spring is provided between piston shaft and end cap;Chuck body lower part is provided with backing plate;Backing plate is fixed by bolt and chuck body;By adjust backing plate thickness, come adapt to different height mold clamping.The utility model is simple and reasonable, it using L-shaped wear-resistant block, is covered diagonally downward, accurate positioning, clamping stability is good, it is provided with self-locking spring in chuck body, in the state of no hydraulic oil, self-locking function may be implemented, fixture is small in size, installation space is saved, smooth, long service life is acted.
Description
Technical field
The utility model relates to field of fixtures more particularly to a kind of telescoping clamps.
Background technique
It is mechanical energy that hydraulic cylinder, which is by hydraulic energy transfer, and hydraulic executes member using what the mechanical energy moved reciprocatingly
Part.Hydraulic cylinder is usually to be fixed in the end of cylinder barrel, and the other end of oil cylinder is cylinder rod, and cylinder rod can be with the drive of oil cylinder
It moves and carries out stretching motion.Hydraulic cylinder is commonly used for that fixture use is made, and has clamping force strong, simple to operate is excellent
Point.On large-scale press machine, for different stamping parts, different stamping dies is needed replacing.Usually in press machine
Fixture is set on board, mold is fixed on the positioning.Existing fixture is generally used vertical depression formula, and water easily occurs for mold
Smooth dynamic, positioning stability maintenance is poor, and fixture when not in use, easily generates interference to mold, while not having self-locking function, safety
Property is poor.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of telescoping clamp, for it is in the prior art not
Foot, by oblique pushing, cooperates the wear-resistant block of L-shaped structure, and position stability is good, while self-locking spring is arranged, and solves existing
Some fixtures are generally used vertical depression formula, there is that positioning stability maintenance is poor, and fixture when not in use, easily generates mold dry
It relates to, while not having self-locking function, the problem of safety difference.
In order to achieve the above objectives, the technical solution of the utility model is as follows: a kind of telescoping clamp, including chuck body,
Piston shaft, wear-resistant block and backing plate;The chuck body is tilted to be provided with the accommodating cavity through the chuck body;The fixture
The rear end of ontology is equipped with the end cap with chuck body cooperation sealing, and the work is movably installed in the chuck body
Fill in axis;The piston shaft is moved along the accommodating cavity, and the front end of the piston shaft is extended downwardly from the chuck body is tilted
The chuck body;The front end of the piston shaft is provided with L-shaped wear-resistant block;The chuck body and the piston shaft it
Between be provided with the first hydraulic cavities and the second hydraulic cavities;First hydraulic cavities and the second hydraulic cavities are along the length side of the piston shaft
It is arranged to being spaced apart from each other;First hydraulic cavities drive the piston shaft to eject axially forward along the piston shaft;Described second
Hydraulic cavities drive the piston shaft to bounce back axially backward along the piston shaft;It is provided between the piston shaft and the end cap
Self-locking spring;The chuck body lower part is provided with backing plate;The backing plate is fixed by bolt and the chuck body;Pass through
Adjust the thickness of the backing plate, come adapt to different height mold clamping.
As a kind of preferred embodiment of the utility model, movable sleeve is equipped with auxiliary and lives on the tail end side wall of the piston shaft
Plug.
As a kind of preferred embodiment of the utility model, strut is connected in the tail end of the piston shaft;The strut is worn
The end cap is crossed, the chuck body is stretched out;Sensor block is connected in the tail end of the strut;After being equipped on the end cap
The sensor block is located at interior by lid, the rear cover;It is covered after described and is provided with displacement sensor;Institute's displacement sensors are used
In the displacement for monitoring the sensor block.
As a kind of preferred embodiment of the utility model, it is provided in the chuck body and is connected to the piston shaft table
The oil chamber in face;Opening in the oil chamber is provided with sealing-plug.
As a kind of preferred embodiment of the utility model, it is provided with below the backing plate for fixing the chuck body
Fastening stud.
As a kind of preferred embodiment of the utility model, the side of the chuck body be provided with it is described first hydraulic
The first fuel feed hole that chamber is connected to and the second hydraulic cavities with second hydraulic chamber into communication.
Through the above technical solutions, the beneficial effect of technical solutions of the utility model is: the utility model structure is simply closed
Reason, using L-shaped wear-resistant block, covered diagonally downward, accurate positioning, clamping stability is good, fixture when not in use, piston
Inside axis retraction chuck body, mold will not be interfered, fixture is small in size, saves installation space;It is set in chuck body
It is equipped with self-locking spring, in the state of no hydraulic oil, self-locking function may be implemented, safety is good, long service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the inside schematic perspective view of the utility model.
Fig. 2 is the schematic diagram of the section structure of Fig. 1.
Fig. 3 is the cross section structure schematic diagram of the utility model.
Number and corresponding component title represented by letter in figure:
1. 2. piston shaft of chuck body, 3. rear cover
4. 5. backing plate of wear-resistant block, 6. displacement sensor
7. 8. auxiliary piston of oil chamber, 9. self-locking spring
10. end cap.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
In conjunction with Fig. 1 to Fig. 3, the utility model provides a kind of telescoping clamp, is used for board mold changing systems, realizes to mould
The positioning clamping of tool.The utility model includes chuck body 1, piston shaft 2, wear-resistant block 4 and backing plate 5.Chuck body 1 is tilted to be set
It is equipped with the accommodating cavity through chuck body 1.The rear end of chuck body 1 is equipped with the end cap 10 with the cooperation sealing of chuck body 1,
Piston shaft 2 is movably installed in chuck body 1.Piston shaft 2 is moved along accommodating cavity, and the front end of piston shaft 2 is from 1 introversion of chuck body
Chuck body 1 is stretched out obliquely.The front end of piston shaft 2 is provided with L-shaped wear-resistant block 4.Chuck body 1 and piston shaft 2 it
Between be provided with the first hydraulic cavities and the second hydraulic cavities.Sealing ring is both provided at the both ends of the first hydraulic cavities and the second hydraulic cavities.
First hydraulic cavities and the second hydraulic cavities are spaced apart from each other arrangement along the length direction of piston shaft 2.First hydraulic cavities drive 2 edge of piston shaft
Piston shaft 2 ejects axially forward.Second hydraulic cavities driving piston shaft 2 bounces back axially backward along piston shaft 2.In piston shaft 2 and end
Self-locking spring 9 is provided between lid 10.Self-locking spring 9 is in compressive state, carries out self-locking pushing tow to piston shaft 2.In fixture sheet
The side of body 1 be provided with the first fuel feed hole of the first hydraulic chamber into communication and with the second hydraulic cavities of the second hydraulic chamber into communication.This
Utility model, to the pressure difference of the first hydraulic cavities and the second hydraulic cavities, realizes the mechanical movement of piston shaft 2 by control hydraulic oil.?
1 lower part of chuck body is provided with backing plate 5;Backing plate 5 is fixed by bolt and chuck body 1.By adjusting the thickness of backing plate 5, come
Adapt to the clamping of the mold of different height.The fastening stud for stationary fixture ontology 1 is provided with below backing plate 5.
In order to solve the case where there are stiction in the utility model release process, pressure reinforcement is realized, in piston shaft 2
Tail end side wall on movable sleeve be equipped with auxiliary piston 8.
In order to preferably control the movement travel of piston shaft 2, operation precision is improved, is connected with branch in the tail end of piston shaft 2
Bar;Strut passes through end cap 10, stretches out chuck body 1;Sensor block is connected in the tail end of strut;Rear cover is installed on end cap 10
3, sensor block is located at interior by rear cover 3;Displacement sensor 6 is provided on rear cover 3;Displacement sensor 6 is for monitoring sensor block
Displacement.
In order to improve the fluency of the utility model operation, greasy property is improved, is provided with and is connected in chuck body 1
The oil chamber 7 on 2 surface of piston shaft;Opening in oil chamber 7 is provided with sealing-plug.Filled with lubrication in oil chamber 7
Oil.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: the utility model is simple and reasonable, use
L-shaped wear-resistant block 4, is covered, accurate positioning diagonally downward, and clamping stability is good, fixture when not in use, piston shaft retraction
Inside chuck body 1, mold will not be interfered, fixture is small in size, saves installation space;It is provided in chuck body 1
In the state of no hydraulic oil self-locking function may be implemented, safety is good, long service life in self-locking spring 9.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of telescoping clamp, which is characterized in that including chuck body, piston shaft, wear-resistant block and backing plate;The chuck body
It is tilted to be provided with the accommodating cavity through the chuck body;The rear end of the chuck body is equipped with matches with the chuck body
The end cap for closing sealing, is movably installed with the piston shaft in the chuck body;The piston shaft is moved along the accommodating cavity,
The front end of the piston shaft extends downwardly the chuck body from the chuck body is tilted;It is set in the front end of the piston shaft
It is equipped with L-shaped wear-resistant block;The first hydraulic cavities and the second hydraulic cavities are provided between the chuck body and the piston shaft;Institute
It states the first hydraulic cavities and the second hydraulic cavities and is spaced apart from each other arrangement along the length direction of the piston shaft;The first hydraulic cavities driving
The piston shaft ejects axially forward along the piston shaft;Second hydraulic cavities drive the piston shaft along the piston shaft axis
To bouncing back backward;Self-locking spring is provided between the piston shaft and the end cap;It is provided in the chuck body lower part
Backing plate;The backing plate is fixed by bolt and the chuck body;By adjusting the thickness of the backing plate, to adapt to different height
Mold clamping.
2. telescoping clamp according to claim 1, which is characterized in that the movable sleeve on the tail end side wall of the piston shaft
Equipped with auxiliary piston.
3. telescoping clamp according to claim 2, which is characterized in that be connected with strut in the tail end of the piston shaft;
The strut passes through the end cap, stretches out the chuck body;Sensor block is connected in the tail end of the strut;In the end cap
On rear cover is installed, in the sensor block is located at by the rear cover;It is covered after described and is provided with displacement sensor;Institute's rheme
Displacement sensor is used to monitor the displacement of the sensor block.
4. telescoping clamp according to claim 3, which is characterized in that be provided in the chuck body and be connected to institute
State the oil chamber on piston shaft surface;Opening in the oil chamber is provided with sealing-plug.
5. telescoping clamp according to claim 2, which is characterized in that be provided with below the backing plate for fixing
State the fastening stud of chuck body.
6. telescoping clamp according to claim 2, which is characterized in that be provided with and institute in the side of the chuck body
State the first fuel feed hole of the first hydraulic chamber into communication and the second hydraulic cavities with second hydraulic chamber into communication.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821014616.4U CN208438001U (en) | 2018-06-28 | 2018-06-28 | A kind of telescoping clamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821014616.4U CN208438001U (en) | 2018-06-28 | 2018-06-28 | A kind of telescoping clamp |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208438001U true CN208438001U (en) | 2019-01-29 |
Family
ID=65087910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821014616.4U Active CN208438001U (en) | 2018-06-28 | 2018-06-28 | A kind of telescoping clamp |
Country Status (1)
Country | Link |
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CN (1) | CN208438001U (en) |
-
2018
- 2018-06-28 CN CN201821014616.4U patent/CN208438001U/en active Active
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