CN206936892U - A kind of car clamp device of pneumatic type casing - Google Patents
A kind of car clamp device of pneumatic type casing Download PDFInfo
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- CN206936892U CN206936892U CN201720449748.9U CN201720449748U CN206936892U CN 206936892 U CN206936892 U CN 206936892U CN 201720449748 U CN201720449748 U CN 201720449748U CN 206936892 U CN206936892 U CN 206936892U
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- cylinder
- elasticity
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- cylindrical
- sleeve
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Abstract
The utility model provides a kind of car clamp device of pneumatic type casing, including the cylindrical folder cylinder of elasticity, sleeve, pull bar, piston cylinder, piston, one end of the cylindrical folder cylinder of elasticity has the endoporus of a clamping casing, the outer wall of the cylindrical folder cylinder of elasticity corresponding to the endoporus is a male cone (strobilus masculinus), and at least three slots are evenly equipped with the barrel of the cylindrical folder cylinder of elasticity corresponding to endoporus and form at least three valve holding portions；Sleeve has a taper hole, and the internal face of taper hole is to have an inner conical surface to match with male cone (strobilus masculinus), and sleeve is set on the cylindrical folder cylinder of elasticity, and inner conical surface is engaged with male cone (strobilus masculinus)；Piston is placed in piston cylinder, the cylindrical folder cylinder of pull bar one end connection piston other end connection elasticity；Piston moves in piston cylinder, drives pull bar axial movement, and inner conical surface of male cone (strobilus masculinus) of the pull bar with the cylindrical folder cylinder of dynamic elasticity along sleeve slides, and casing is radially held or unclamped in holding portion tightly in the cylindrical folder cylinder moving process of elasticity.
Description
Technical field
It the utility model is related to holding device design technical field, more particularly to a kind of car clamp device of pneumatic type casing.
Background technology
For small-sized fan casing, die casting is with steady quality, production efficiency is high and cost is cheap and as relatively managing
The selection thought.But the dimensional accuracy of die casting is not high, and draw taper is inevitable, thus its bearing chamber or with end cap coordinate
Seam must be required by finishing processing to meet that the high accuracy of itself and bearing or stator core coordinates.
In machining thin-walled parts, most it is worth noting that preventing workpiece from being deformed because of clamping.It is as shown in Figure 1-2
Intermediate frequency axial flow blower band pedestal enclosure (aluminum alloy die casting), maximum difficult point areThe processing of endoporus, even if not being
Three-jaw 3 directly clamps, but presss from both sides the only surplus 21mm (as shown in Figure 3-4) of its left end with the elastic steel bushing 4 of cracking, bear it is powerful
During cutting force, because the shake of casing makes its inwall be in fish scale-shaped, cause the forfeiture of dimensional accuracy and surface roughness.
Utility model content
To solve the problems, such as in background technology, the utility model provides a kind of car clamp device of pneumatic type casing, including
The cylindrical folder cylinder of elasticity, sleeve, pull bar, piston cylinder, piston, one end of the cylindrical folder cylinder of elasticity have the interior of a clamping casing
Hole, the outer wall of the cylindrical folder cylinder of elasticity corresponding to the endoporus is a male cone (strobilus masculinus), and on the barrel of the cylindrical folder cylinder of elasticity corresponding to endoporus
It is evenly equipped with least two slots and forms at least two valve holding portions；The sleeve has a taper hole, and the internal face of the taper hole is to have
One inner conical surface to match with the male cone (strobilus masculinus), the sleeve are set on the cylindrical folder cylinder of the elasticity, the inner conical surface and institute
Male cone (strobilus masculinus) is stated to be engaged；The piston is placed in the piston cylinder, and described pull bar one end connects the piston other end connection institute
State the cylindrical folder cylinder of elasticity；
The piston moves in the piston cylinder, drives the pull bar to move axially, and the pull bar drives the elasticity
Inner conical surface of the male cone (strobilus masculinus) of cylindrical folder cylinder along the sleeve slides, holding portion described in the cylindrical folder cylinder moving process of elasticity
Radially hold tightly or unclamp the casing.
Preferably, the casing includes cylinder and the pedestal being arranged on cylinder side wall, the endoporus clamps described
One end of the cylinder of casing.
Preferably, being provided with a rotation preventing device on the end face of the sleeve, cylinder one end of the casing puts in the endoporus
In after, the rotation preventing device is close in the pedestal side.
Preferably, the bushing core coaxially sequentially sets slide opening and taper hole, the cylindrical folder cylinder of elasticity includes slip
Portion and clamping part, the endoporus and the male cone (strobilus masculinus) are arranged on the clamping part, and the sliding part is placed in the slide opening, institute
State clamping part to be placed in the taper hole, the coaxially connected sliding part of pull bar, the pull bar pulls the cylindrical folder of elasticity
Cylinder is mobile, and the sliding part slides along the slide opening, and the clamping part slides along the taper hole.
Preferably, the sleeve is fixed to by a clamp body on the ring flange of lathe, the piston cylinder is fixed to described
On machine tool head box, the lathe drives the cylindrical folder cylinder of the elasticity, sleeve, pull bar, piston cylinder and is clamped in elastic cylindrical
The casing pressed from both sides in cylinder rotates around axis.
Preferably, the piston cylinder is a cylinder, the first air flue and are respectively arranged with the cylinder of the piston both sides
Two air flues, the cylinder interacvity air-filling by first air flue and the second air flue to piston both sides, the piston move left and right.
Preferably, the gap width of the slot is 1mm.
Preferably, the gradient of the male cone (strobilus masculinus), inner conical surface is 10 °.
Preferably, the cylindrical folder cylinder of elasticity is made of spring steel.
The utility model is allowed to compared with prior art, have the advantage that and actively imitate due to using above technical scheme
Fruit is：
1) the car clamp device of pneumatic type casing provided by the utility model, using adjustable between piston and piston cylinder, controllable
Cooperation, to obtain just right clamping force, can avoid in the prior art using scroll chuck clamp when because of screw clamp clamp force
The problem of being difficult to control and causing workpiece to be permanently deformed；
2) the car clamp device of pneumatic type casing provided by the utility model, by sleeve and elasticity it is cylindrical folder cylinder cooperation,
Axial tightening power is developed into radial clamping force, solves the problems, such as that this kind of thin-walled parts of casing are difficult to clamping；
3) the car clamp device of pneumatic type casing provided by the utility model, realized using the cylindrical folder cylinder of elasticity to casing
Clamping and positioning, the cylindrical folder cylinder of elasticity possess enough intensity, and with excellent reply rigidity；Meanwhile the cylindrical folder cylinder of elasticity
The setting of upper slot so that the cylindrical folder cylinder of elasticity further obtains good tighten up and elasticity recovery function；
4) the car clamp device of pneumatic type casing provided by the utility model, the end face of sleeve are additionally provided with one and casing base phase
The rotation preventing device supported, the skidding that casing may occur when rough turn cutting force is excessive can be prevented.
Brief description of the drawings
With reference to accompanying drawing, by hereafter state detailed description, above-mentioned and other spy of the present utility model can be more clearly understood that
Seek peace advantage, wherein：
Fig. 1 is the front view of pneumatic type casing；
Fig. 2 is the side view of pneumatic type casing；
Fig. 3 is the front view of elastic steel bushing casing vehicle clamper of cracking in the prior art；
Fig. 4 is the side view of elastic steel bushing casing vehicle clamper of cracking in the prior art；
Fig. 5 is the structural representation of the car clamp device of pneumatic type casing provided by the utility model；
Fig. 6 is A in Fig. 5 to schematic diagram；
Fig. 7 is the side view of the cylindrical folder cylinder of elasticity in the utility model；
Fig. 8 is the B-B sectional views in Fig. 7；
Fig. 9 is the sectional view of the utility model middle sleeve；
Figure 10 is the side view of the utility model middle sleeve.
Embodiment
Referring to the accompanying drawing for showing the utility model embodiment, the utility model is described in more detail.However, this reality
It can in many different forms be realized with new, and should not be construed as being limited by the embodiment herein proposed.On the contrary, propose
These embodiments be in order to reach fully and complete disclosure, and make those skilled in the art understand completely this practicality newly
The scope of type.In these accompanying drawings, for clarity, the size and relative size in layer and region may be exaggerated.
With reference to shown in figure 5-10, the utility model provides a kind of car clamp device of pneumatic type casing, including elastic cylindrical
Cylinder 5, sleeve 6, pull bar 9, piston cylinder, piston 13 are pressed from both sides, one end of the cylindrical folder cylinder 5 of elasticity has the endoporus 504 of a clamping casing, should
The outer wall of the cylindrical folder cylinder of elasticity corresponding to endoporus is a male cone (strobilus masculinus) 503, and on the barrel of the cylindrical folder cylinder of elasticity corresponding to endoporus 504
It is evenly equipped with least two slots 506 and forms at least two valve holding portions 507；Sleeve 6 has a taper hole 601, the internal face of taper hole 601
To there is an inner conical surface 602 to match with male cone (strobilus masculinus) 503, sleeve 6 is set on the cylindrical folder cylinder 5 of elasticity, inner conical surface 602 and outer cone
Face 503 is engaged；Piston 13 is placed in piston cylinder, the cylindrical folder cylinder 5 of the one end of pull bar 9 connection piston 13 other end connection elasticity.
Piston 13 moves in piston cylinder, drives pull bar 9 to move axially, male cone (strobilus masculinus) of the pull bar 9 with the cylindrical folder cylinder 5 of dynamic elasticity
503 slide along the inner conical surface 602 of sleeve 6, and machine is radially held or unclamped in holding portion 507 tightly in the cylindrical folder moving process of cylinder 5 of elasticity
Shell.
The utility model uses adjustable between piston and piston cylinder, controllable cooperation, to obtain just right clamping force,
Workpiece is caused to be permanently deformed because screw clamp clamp force is whard to control when can avoid clamping using scroll chuck in the prior art
The problem of.Moreover, axial tightening power is developed into radial clamping by the utility model by the cooperation of sleeve and the cylindrical folder cylinder of elasticity
Power, solve the problems, such as that this kind of thin-walled parts of casing are difficult to clamping.In addition, the utility model also using the cylindrical folder cylinder of elasticity come real
The now clamping and positioning to casing, the cylindrical folder cylinder of elasticity possess enough intensity, and with excellent reply rigidity；Meanwhile bullet
Property cylindrical folder cylinder on slot setting so that the cylindrical folder cylinder of elasticity further obtains good tightens up and elasticity recovery function.
In the present embodiment, reference picture 7-8, the cylindrical folder cylinder 5 of elasticity include the sliding part 502 and folder that coaxial order is set
Portion 501 is held, screwed hole 505 is wherein provided with sliding part 502 and is used to connect with the one end for being connected connecting rod 9, clamping part 501 is used for
Clamp casing；Endoporus 504 is arranged at the center of clamping part 502, and male cone (strobilus masculinus) 503 is the outside wall surface of clamping part 501.Reference picture
9-10, slide opening 603 and taper hole 601 are coaxially sequentially set, and the internal face of taper hole 601 is inner conical surface 602 at the center of sleeve 6.
Fig. 5 is referred again to, sliding part 502 is placed in slide opening 603, and clamping part 501 is placed in taper hole 601；Pull bar 9 pulls the cylindrical folder cylinder of elasticity
5 movements, sliding part 502 slide along slide opening 603, and clamping part 501 slides along taper hole 601.
Certainly, in other embodiments, can also omit the setting of sliding part and slide opening, in the present embodiment by sliding part and
The guide effect of axial movement is played in the setting of slide opening.
In the present embodiment, four slots 506 are circumferentially evenly equipped with the barrel of the cylindrical folder cylinder 5 of elasticity so that elasticity is cylindrical
It is in four holding portions 507 that the barrel of folder cylinder 5, which is divided,；When inner conical surface of the cylindrical male cone (strobilus masculinus) 503 for pressing from both sides cylinder 5 of elasticity along sleeve 6
When 602 slip, four holding portions 507 receive the pressure of radial direction, radially tighten up and will hold tightly at once so as to deform, and due to cutting
The setting of seam 506, the again deformation to the cylindrical folder cylinder 5 of elasticity leave space.
Certainly, two or three or five slots 506 can be also evenly equipped with other embodiments, be not limited herein, can
It is adjusted as the case may be.
Wherein, the gap width d of slot 506 is 1mm.Certainly, the gap width d of slot 506 in other embodiments
Numerical value can be also adjusted as the case may be, be not limited herein.
Wherein, male cone (strobilus masculinus), gradient α, the β value of inner conical surface are 10 °, what the setting of this gradient can be clamped and be relaxed
Optimum efficiency.Certainly, male cone (strobilus masculinus), the numerical value of gradient α, β of inner conical surface can also enter as the case may be in other embodiments
Row adjustment, is not limited herein.
Wherein, the cylindrical folder cylinder 5 of elasticity is made of spring steel；Specifically optional spring steel 65Mn, is first quenched to 50-
55HRC refines endoporus and male cone (strobilus masculinus) again, not only to possess sufficient intensity but also can to obtain excellent reply rigidity.
In the present embodiment, reference picture 1-2, casing 1 include cylinder 101 and the pedestal being arranged in the side wall of cylinder 101
102, endoporus 504 clamps one end of the cylinder 101 of casing 1.A rotation preventing device 4, the circle of casing 1 are provided with the end face of sleeve 6
After 101 one end of cylinder are put in endoporus 504, rotation preventing device 4 is close in the side of pedestal 102.The utility model, can by the setting of rotation preventing device
Prevent the skidding that casing may occur when rough turn cutting force is excessive.
Wherein, rotation preventing device 4 is specially a straight pin, and the pin-and-hole 604 supporting with straight pin is provided with the end face of sleeve 6,
Cylinder puts in the interference fit of pin-and-hole 604 and realizes connection.Certainly, in other embodiments, rotation preventing device 4 or other structures shape
Formula, such as be directly projection cube structure etc., it is not limited herein.
In the present embodiment, sleeve 6 is fixed to by a clamp body 8 on the ring flange 8 of lathe, and piston cylinder is fixed to lathe
On headstock 10, lathe is with the cylindrical folder cylinder 5 of dynamic elasticity, sleeve 6, pull bar 9, piston cylinder and is clamped in the cylindrical folder cylinder of elasticity
Casing 1 around axis rotate, consequently facilitating subsequently can face work, bore hole operation.
In the present embodiment, piston cylinder selects cylinder, is made up of cylinder body 12 and cylinder cap 11.The left and right sides of piston 13
The first air flue a is respectively arranged with cylinder and the second air flue b, the first air flue a and the second air flue b inflates into cylinder, so as to real
Existing piston 13 moves left and right, so as to drive pull bar 9 to move axially.
Certainly, in other embodiments, a hydraulic cylinder also can be selected in piston cylinder, is not limited herein, can be according to specific feelings
Condition is adjusted.
Just a kind of course of work of car clamp device of pneumatic type casing provided by the utility model is made further below
Illustrate, it is specific as follows：
1) first, by casing die casting fill in its it is cylindrical for gap coordinate it is elastic it is cylindrical press from both sides the endoporus 504 of cylinder 5 in, and
Rotating housing makes its pedestal side be close to Non-slip material 4；Cylinder right chamber air inlet is made by the second air flue b, piston 13 is moved to left and driven
Pull bar 9 and with the cylindrical folder cylinder 5 of its rigidly connected elasticity to left movement；Because the outer rim of the cylindrical folder cylinder 5 of elasticity has opened up 4
Uniform slot wide 1mm, while its male cone (strobilus masculinus) is in the slip of inner conical surface 602 along sleeve 6,4 openings of holding portion 507 are radially
Tighten up and can hold tightly；Clamping complete.
2) turning is carried out to casing：1. right side is gone out with billmpse tool light；2. go out casing endoporus by hole boring cutter car；
3) after turnery processing completes parking, cylinder block left chamber body air inlet is made by the first air flue a, moves to right piston 13, from
And pushing drawing rod 9 and moved to right with the cylindrical folder cylinder 5 of its rigidly connected elasticity, with the elastic recovery of the cylindrical folder cylinder 5 of elasticity, elasticity
Cylindrical folder cylinder 5 is with the cylindrical of casing and recovers to initial clearance fit state, takes out casing, the time processing cycle just completes.
Those skilled in the art should be understood that the utility model can be realized without de- with many other concrete forms
From spirit or scope of the present utility model.Although it also have been described embodiment of the present utility model, it should be understood that the utility model is not
These embodiments should be limited to, the utility model that those skilled in the art can be as appended claims define is spiritual
Make and changing and modifications with the scope of.
Claims (9)
- A kind of 1. car clamp device of pneumatic type casing, it is characterised in that including elasticity it is cylindrical folder cylinder, sleeve, pull bar, piston cylinder, Piston, one end of the cylindrical folder cylinder of elasticity have the endoporus of a clamping casing, and elasticity corresponding to the endoporus is cylindrical to press from both sides the outer of cylinder Wall is a male cone (strobilus masculinus), and at least three slots are evenly equipped with the barrel of the cylindrical folder cylinder of elasticity corresponding to endoporus and form at least three valves armful Tight portion；The sleeve has a taper hole, and the internal face of the taper hole is to have an inner conical surface to match with the male cone (strobilus masculinus), described Sleeve is set on the cylindrical folder cylinder of the elasticity, and the inner conical surface is engaged with the male cone (strobilus masculinus)；The piston is placed in the work In plug cylinder, described pull bar one end connects the piston other end and connects the cylindrical folder cylinder of elasticity；The piston moves in the piston cylinder, drives the pull bar to move axially, and the pull bar drives the elasticity cylindrical Press from both sides inner conical surface of the male cone (strobilus masculinus) of cylinder along the sleeve to slide, holding portion described in the cylindrical folder cylinder moving process of elasticity is radially Hold tightly or unclamp the casing.
- 2. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the casing include cylinder and The pedestal being arranged on cylinder side wall, the endoporus clamp one end of the cylinder of the casing.
- 3. the car clamp device of pneumatic type casing according to claim 2, it is characterised in that set on the end face of the sleeve There is a rotation preventing device, after cylinder one end of the casing is put in the endoporus, the rotation preventing device is close in the pedestal side.
- 4. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the coaxial order of bushing core Slide opening and taper hole are set, and the cylindrical folder cylinder of elasticity includes sliding part and clamping part, and the endoporus and the male cone (strobilus masculinus) are set On the clamping part, the sliding part is placed in the slide opening, and the clamping part is placed in the taper hole, and the pull bar is coaxial The sliding part is connected, the pull bar pulls the cylindrical folder cylinder movement of the elasticity, and the sliding part slides along the slide opening, described Clamping part slides along the taper hole.
- 5. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the sleeve passes through a clamp body On ring flange fixed to lathe, the piston cylinder is fixed on machine tool head box, and the lathe drives the cylindrical folder of elasticity Cylinder, sleeve, pull bar, piston cylinder and be clamped in elasticity it is cylindrical folder cylinder in casing around axis rotate.
- 6. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the piston cylinder is a cylinder, Be respectively arranged with the first air flue and the second air flue on the cylinder of the piston both sides, by first air flue and the second air flue to The cylinder interacvity air-filling of piston both sides, the piston move left and right.
- 7. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the gap width of the slot is 1mm。
- 8. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the male cone (strobilus masculinus), inner conical surface Gradient is 10 °.
- 9. the car clamp device of pneumatic type casing according to claim 1, it is characterised in that the cylindrical folder cylinder of elasticity uses Spring steel is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449748.9U CN206936892U (en) | 2017-04-26 | 2017-04-26 | A kind of car clamp device of pneumatic type casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720449748.9U CN206936892U (en) | 2017-04-26 | 2017-04-26 | A kind of car clamp device of pneumatic type casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206936892U true CN206936892U (en) | 2018-01-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720449748.9U Expired - Fee Related CN206936892U (en) | 2017-04-26 | 2017-04-26 | A kind of car clamp device of pneumatic type casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206936892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543956A (en) * | 2018-05-17 | 2018-09-18 | 于伟忱 | Portable numerical control pipe fitting flat head chamfering machine |
-
2017
- 2017-04-26 CN CN201720449748.9U patent/CN206936892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543956A (en) * | 2018-05-17 | 2018-09-18 | 于伟忱 | Portable numerical control pipe fitting flat head chamfering machine |
| CN108543956B (en) * | 2018-05-17 | 2024-02-23 | 于伟忱 | Portable numerical control pipe fitting flat head chamfering machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200426 |