CN209256349U - A kind of clamping device for processing thin-wall sleeve - Google Patents
A kind of clamping device for processing thin-wall sleeve Download PDFInfo
- Publication number
- CN209256349U CN209256349U CN201822004804.5U CN201822004804U CN209256349U CN 209256349 U CN209256349 U CN 209256349U CN 201822004804 U CN201822004804 U CN 201822004804U CN 209256349 U CN209256349 U CN 209256349U
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- wall sleeve
- thin
- clamp
- clamp body
- telescopic rod
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Abstract
The utility model provides a kind of clamping device for processing thin-wall sleeve, thin-wall sleeve accommodation groove is equipped on the top of clamp body, clamp jaw is evenly distributed with along thin-wall sleeve accommodation groove on fixture body sidewall, the middle part of clamp jaw and clamp body are hinged, the top of clamp jaw is equipped with clamping jaw, and clamping jaw is located at the surface of thin-wall sleeve accommodation groove slot inward flange position and is arranged towards thin-wall sleeve accommodation groove groove face；The lower end of clamp jaw is hinged with telescopic rod, and cavity is equipped in clamp body, and the free end of telescopic rod passes through the side wall of clamp body and extends in cavity, and telescopic rod and clamp body are slidably matched and link with the driving mechanism being arranged in cavity.It is positioned by frock clamping, radial force is transformed into axially loaded, solve parts fixation problem on deformation.And more clamping jaws simultaneously clamp on, workpiece uniform force, while guaranteeing product quality, improve production efficiency, and reduce the requirement to worker operation technical ability.
Description
Technical field
The utility model relates to frock clamps, and in particular to a kind of clamping device for processing thin-wall sleeve.
Background technique
Thin-walled part causes deformation in processing to be always the difficult point in machining seriously because its rigidity is too poor.Clamping
Deformation is to cause the principal element of machining deformation.When processing thin-wall sleeve inner hole, the method for conventional three claw clip outer circle clampings, although side
Just, part elastic deformation is often easily led to because clamping force is improper and generates form error, and prismatic is presented in the inner hole after processing.Therefore,
In clamping parts, radial force is transformed into axially loaded, is the main method for solving parts fixation deformation.And generally axially
The tooling of compression, mostly with screw pressing plate clamping, screw compresses one by one, and clamping efficiency is low, and each point stress that compresses is not easy uniformly, to work
People's operative skill requires high.
Summary of the invention
For the deficiency of technology, the utility model provides a kind of clamping device for processing thin-wall sleeve.
A kind of clamping device for processing thin-wall sleeve, including clamp body accommodate on the top of the clamp body equipped with thin-wall sleeve
Slot, it is characterised in that: be evenly distributed with clamp jaw, the clamp jaw along the thin-wall sleeve accommodation groove on the fixture body sidewall
Middle part and the clamp body it is hinged, the top of the clamp jaw is equipped with clamping jaw, and the clamping jaw is located at the thin-wall sleeve accommodation groove
The surface of slot inward flange position and towards the thin-wall sleeve accommodation groove groove face be arranged；The lower end of the clamp jaw is hinged with flexible
Bar, is equipped with cavity in the clamp body, and the free end of the telescopic rod passes through the side wall of the clamp body and extends to described
In cavity, the telescopic rod and the clamp body are slidably matched and link with the driving mechanism being arranged in the cavity.It is flexible
Bar pushes clamp jaw, and clamp jaw makes clamping jaw clamp the workpiece being placed in thin-wall sleeve accommodation groove, due to clamping jaw by leverage
Contact direction it is vertical with the thin-wall sleeve accommodation groove groove face so that clamping jaw and the active force of workpiece are axial parallel with workpiece.
Further are as follows: the cavity includes cylinder chamber and slideway, the center of the cylinder chamber and the thin-wall sleeve accommodation groove
The free end of overlapping of axles, the telescopic rod is located in the cylinder chamber, and the length of telescopic bar is identical and with the cylinder chamber
Angle is identical, and the slideway is communicated and is vertically arranged with the cylinder chamber, and the slideway is located at the lower part of the clamp body and leans on
The free end of the nearly telescopic rod；The driving mechanism includes lock shaft and lock ball, the lock ball and the cylinder chamber phase
It matches and is slided with the cylinder chamber and is arranged, the lock ball is located at the lower section of the telescopic rod and the end face with the telescopic rod
Contact, the lock shaft are slidably arranged in the slideway, and the position that the lock ball is corresponded on the lock shaft is equipped with ball
Body accommodation groove, sphere accommodation groove one end end are half ball groove, and other end end is surface groove；When half ball groove on lock shaft
When correspondence cylinder chamber, in half ball groove, the upper portion of lock ball is moved in cylinder chamber for the lock ball lower portion
Lock shaft makes surface groove correspond to cylinder chamber gradually, and lock ball is moved to tiltedly under the action of the thrust of cylinder chamber side wall from half ball groove
It is moved on the slot of face and on surface groove, so that telescopic rod be pushed to be displaced outwardly, telescopic rod pushes clamp jaw, and clamp jaw passes through lever
Effect makes clamping jaw clamp the workpiece being placed in thin-wall sleeve accommodation groove.
Further are as follows: the surface groove is plane or is arcwall face, the surface groove of different sides, so that clamping jaw contact acts on
The change curve of power is different.
Further are as follows: be respectively equipped with return spring and clamping screw at the both ends of the lock shaft, the clamping screw with
The slideway is threadedly engaged and is connected in the locking axial end, and the clamping screw is located at the lock shaft equipped with described oblique
The side of face slot；The return spring inner end is connected on the end face of the lock shaft, and the outer end of the return spring is fixed on
In the slideway.
Further are as follows: the return spring is connected on plug, and the plug is installed in the slideway.
Further are as follows: square hole is equipped in the outer end end face of the clamping screw, for placing spanner.
Further are as follows: it is cased with matched sliding sleeve on the telescopic rod and is slidably matched with the sliding sleeve, institute
Sliding sleeve is stated to be installed in the inner wall of the clamp body；The sliding sleeve is wear-resistant material.
Further are as follows: the contact surface of the clamping jaw and workpiece is strip and is arcwall face.
Further are as follows: the section of the slideway and lock shaft is circle, is opened on the lock shaft circumference along its axial direction
Equipped with limit sliding chutes, positioning pin is equipped in the limit sliding chutes, described positioning pin one end is slidably matched with the limit sliding chutes,
The other end of the positioning pin is fixedly connected with the clamp body；While facilitating processing, prevent lock shaft from rotating in slideway.
The utility model has the beneficial effects that being positioned by frock clamping, radial force is transformed into axially loaded, is solved
Parts fixation problem on deformation.And more clamping jaws simultaneously clamp on, workpiece uniform force, while guaranteeing product quality, improve life
Efficiency is produced, and reduces the requirement to worker operation technical ability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model.
In figure, 1, clamp body；11, cylinder chamber；12, slideway；121, plug；13, thin-wall sleeve accommodation groove；2, clamp jaw；21,
Clamping jaw；3, telescopic rod；31, sliding sleeve；4, lock shaft；40, sphere accommodation groove；41, surface groove；42, half ball groove；5, locking screw
Bolt；51, square hole；6, return spring；7, lock ball；8, positioning pin.
Specific embodiment
It elaborates with reference to the accompanying drawing to the utility model.It should be noted that a left side in the example of the utility model,
In, the positional terms such as right, upper and lower, be only relative concept or be to refer to the normal operating condition of product each other, without answering
This is considered restrictive.
As depicted in figs. 1 and 2, a kind of clamping device for processing thin-wall sleeve, including clamp body 1, in the upper of the clamp body 1
Portion be equipped with thin-wall sleeve accommodation groove 13, on 1 side wall of clamp body along the thin-wall sleeve accommodation groove 13 be uniformly distributed there are three folder
Tight pawl 2, the middle part of the clamp jaw 2 and the clamp body 1 are hinged, and the top of the clamp jaw 2 is equipped with clamping jaw 21, the clamping jaw
21 are located at the surface of the 13 slot inward flange position of thin-wall sleeve accommodation groove and are arranged towards 13 groove face of thin-wall sleeve accommodation groove；
The lower end of the clamp jaw 2 is hinged with telescopic rod 3, cavity is equipped in the clamp body 1, the free end of the telescopic rod 3 is worn
Cross the side wall of the clamp body 1 and extend in the cavity, the telescopic rod 3 be slidably matched with the clamp body 1 and with
The driving mechanism linkage being arranged in the cavity；
The cavity includes cylinder chamber 11 and slideway 12, the central axis of the cylinder chamber 11 and the thin-wall sleeve accommodation groove 13
Be overlapped, the free end of the telescopic rod 3 is located in the cylinder chamber 11,3 length of telescopic rod it is identical and with the cylinder chamber
11 angle is identical, and the slideway 12 is communicated and is vertically arranged with the cylinder chamber 11, and the slideway 12 is located at the clamp body 1
Lower part and close to the telescopic rod 3 free end；The driving mechanism includes lock shaft 4 and lock ball 7, the lock ball 7
Match with the cylinder chamber 11 and slided with the cylinder chamber 11 and is arranged, the lock ball 7 is located at the lower section of the telescopic rod 3
And contacted with the end face of the telescopic rod 3, the lock shaft 4 is slidably arranged in the slideway 12, right on the lock shaft 4
The position of the lock ball is answered to be equipped with sphere accommodation groove 40,40 one end end of sphere accommodation groove is half ball groove 42, the other end
End is surface groove 41；The surface groove 41 is plane or is arcwall face, the surface groove 41 of different sides, so that 21 contact of clamping jaw
The change curve of active force is different.
Return spring 6 and clamping screw 5, the clamping screw 5 and the cunning are respectively equipped at the both ends of the lock shaft 4
Road 12 is threadedly engaged and is connected on 4 end face of lock shaft, and the clamping screw 5 is located at the lock shaft 4 equipped with described oblique
The side of face slot 41；6 inner end of return spring is connected on the end face of the lock shaft 4, and the outer end of the return spring 6 is solid
It is scheduled in the slideway 12.
The return spring 6 is connected on plug 121, and the plug 121 is installed in the slideway 12；In the locking
Square hole 51 is equipped in the outer end end face of bolt 5, for placing spanner.Matched sliding is cased on the telescopic rod 3
Set 31 is simultaneously slidably matched with the sliding sleeve 31, and the sliding sleeve 31 is installed in the inner wall of the clamp body 1；The sliding sleeve 31
For wear-resistant material.The contact surface of the clamping jaw 21 and workpiece is strip and is arcwall face.
The section of the slideway 12 and lock shaft 4 is circle, is opened up on 4 circumference of lock shaft along its axial direction limited
Position sliding slot, is equipped with positioning pin 8, described 8 one end of positioning pin is slidably matched with the limit sliding chutes, described in the limit sliding chutes
The other end of positioning pin 8 is fixedly connected with the clamp body 1；While facilitating processing, prevent lock shaft 4 from turning in slideway 12
It is dynamic.
Working principle of the utility model is: telescopic rod pushes clamp jaw, clamp jaw puts clamping jaw clamping by leverage
The workpiece in thin-wall sleeve accommodation groove is set, since the contact direction of clamping jaw is vertical with the thin-wall sleeve accommodation groove groove face, so that folder
Pawl is axial parallel with workpiece with the active force of workpiece.When half ball groove on lock shaft corresponds to cylinder chamber, under the lock ball
Half portion is located in half ball groove, and in cylinder chamber, mobile lock shaft makes surface groove corresponding circle gradually for the upper portion of lock ball
Barrel chamber, lock ball are moved on surface groove from half ball groove under the action of the thrust of cylinder chamber side wall and move on surface groove,
To push telescopic rod to be displaced outwardly, telescopic rod pushes clamp jaw, and clamp jaw is placed on clamping jaw clamping thin by leverage
Wall covers the workpiece in accommodation groove.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of clamping device for processing thin-wall sleeve, including clamp body are equipped with thin-wall sleeve accommodation groove on the top of the clamp body,
It is characterized by: it is evenly distributed with clamp jaw along the thin-wall sleeve accommodation groove on the fixture body sidewall, the clamp jaw
Middle part and the clamp body are hinged, and the top of the clamp jaw is equipped with clamping jaw, and the clamping jaw is located at the thin-wall sleeve accommodation groove slot
The surface of inward flange position and towards the thin-wall sleeve accommodation groove groove face be arranged；The lower end of the clamp jaw is hinged with flexible
Bar, is equipped with cavity in the clamp body, and the free end of the telescopic rod passes through the side wall of the clamp body and extends to described
In cavity, the telescopic rod and the clamp body are slidably matched and link with the driving mechanism being arranged in the cavity.
2. a kind of clamping device for processing thin-wall sleeve according to claim 1, it is characterised in that: the cavity includes cylinder
Chamber and slideway, the center overlapping of axles of the cylinder chamber and the thin-wall sleeve accommodation groove, the free end of the telescopic rod are located at described
In cylinder chamber, the length of telescopic bar is identical and identical as the angle of the cylinder chamber, and the slideway is communicated with the cylinder chamber
And be vertically arranged, the slideway is located at the lower part of the clamp body and the free end close to the telescopic rod；The driving mechanism
Including lock shaft and lock ball, the lock ball and the cylinder chamber match and slide setting, the lock with the cylinder chamber
Tight ball is located at the lower section of the telescopic rod and contacts with the end face of the telescopic rod, and the lock shaft is slidably arranged in the slideway
Interior, the position that the lock ball is corresponded on the lock shaft is equipped with sphere accommodation groove, and sphere accommodation groove one end end is
Half ball groove, other end end are surface groove.
3. a kind of clamping device for processing thin-wall sleeve according to claim 2, it is characterised in that: the surface groove is plane
It or is arcwall face.
4. a kind of clamping device for processing thin-wall sleeve according to claim 2 or 3, it is characterised in that: in the lock shaft
Both ends be respectively equipped with return spring and clamping screw, the clamping screw and the slideway are threadedly engaged and are connected to the lock
On mandrel end face, the clamping screw is located at the side that the lock shaft is equipped with the surface groove；The return spring inner end is supported
It connects on the end face of the lock shaft, the outer end of the return spring is fixed in the slideway.
5. a kind of clamping device for processing thin-wall sleeve according to claim 4, it is characterised in that: the return spring abuts
On plug, the plug is installed in the slideway.
6. a kind of clamping device for processing thin-wall sleeve according to claim 4, it is characterised in that: in the clamping screw
Square hole is equipped in the end face of outer end.
7. a kind of clamping device for processing thin-wall sleeve according to claim 4, it is characterised in that: covered on the telescopic rod
There is matched sliding sleeve and be slidably matched with the sliding sleeve, the sliding sleeve is installed in the inner wall of the clamp body.
8. a kind of clamping device for processing thin-wall sleeve according to claim 4, it is characterised in that: the clamping jaw and workpiece
Contact surface is strip and is arcwall face.
9. a kind of clamping device for processing thin-wall sleeve according to claim 4, it is characterised in that: the slideway and lock shaft
Section be circle, offer limit sliding chutes along its axial direction on the lock shaft circumference, be equipped in the limit sliding chutes
Positioning pin, described positioning pin one end are slidably matched with the limit sliding chutes, and the other end of the positioning pin and the clamp body are solid
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004804.5U CN209256349U (en) | 2018-12-02 | 2018-12-02 | A kind of clamping device for processing thin-wall sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004804.5U CN209256349U (en) | 2018-12-02 | 2018-12-02 | A kind of clamping device for processing thin-wall sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209256349U true CN209256349U (en) | 2019-08-16 |
Family
ID=67565568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822004804.5U Active CN209256349U (en) | 2018-12-02 | 2018-12-02 | A kind of clamping device for processing thin-wall sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209256349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151780A (en) * | 2020-01-03 | 2020-05-15 | 南京汽轮电机(集团)有限责任公司 | Variable gas turbine cylinder body inclined plane clamping device |
| CN111306140A (en) * | 2020-02-28 | 2020-06-19 | 贵州詹阳动力重工有限公司 | Limiting mechanism of oil cylinder of wheel type multipurpose engineering truck |
-
2018
- 2018-12-02 CN CN201822004804.5U patent/CN209256349U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111151780A (en) * | 2020-01-03 | 2020-05-15 | 南京汽轮电机(集团)有限责任公司 | Variable gas turbine cylinder body inclined plane clamping device |
| CN111306140A (en) * | 2020-02-28 | 2020-06-19 | 贵州詹阳动力重工有限公司 | Limiting mechanism of oil cylinder of wheel type multipurpose engineering truck |
| CN111306140B (en) * | 2020-02-28 | 2020-12-08 | 贵州詹阳动力重工有限公司 | Limiting mechanism of oil cylinder of wheel type multipurpose engineering truck |
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