CN208341747U - A kind of pneumatic main shaft holder - Google Patents
A kind of pneumatic main shaft holder Download PDFInfo
- Publication number
- CN208341747U CN208341747U CN201820757124.8U CN201820757124U CN208341747U CN 208341747 U CN208341747 U CN 208341747U CN 201820757124 U CN201820757124 U CN 201820757124U CN 208341747 U CN208341747 U CN 208341747U
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- synchronizing wheel
- main shaft
- piston
- base
- shaft holder
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Abstract
The utility model provides a kind of pneumatic main shaft holder, belongs to field of mechanical technique.It solves existing main shaft holder stroke short the problems such as can not clamping special-shaped workpiece.This pneumatic main shaft holder includes base, the bearing block and piston being set in base, the cylinder chamber for piston transverse shifting is installed between bearing block and base, stomata one and stomata two are offered on base, the synchronizing wheel of hollow form is provided in bearing block, several bearings are provided between synchronizing wheel and bearing block, the collet being made of several valve collet sliding blocks for clamping workpiece is provided in synchronizing wheel, it is in mating connection by guide rail between each collet sliding block and synchronizing wheel, the tapered shape of the inner wall of synchronizing wheel, and guide rail is set on the inner wall of synchronizing wheel, the end of each collet sliding block is respectively fixedly connected by the pulling plate of its transverse shifting of piston driving, the folder hole designed according to shape of product is offered in the middle part of collet.The utility model is with that can clamp special-shaped workpiece, and jaw travel is big, and the advantages of the operation is stable.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to holder, in particular to a kind of pneumatic main shaft holder.
Background technique
Main shaft holder is widely used on lathe for clamping pole class workpiece, many kinds of, and application is most at present
Be elastic collet, elastic collet is a kind of conical structure, multiple openings is provided on the generatrix direction of circular cone, by by bullet
Property collet is placed in conehead main shaft, and make elastic collet relative to conehead main axle moving can be achieved with elastic collet to work
Part steps up and loosens.
But structure is complicated for the power mechanism of driving elastic collet movement currently on the market, clamps low efficiency, and press from both sides
The shift motion of head is short, big irregularly-shaped hole can not be also opened up in collet interior, therefore can not clamp some special-shaped workpieces and large size
Part.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, and special-shaped work can be clamped by providing one kind
Part, jaw travel is big, and the pneumatic main shaft holder of the operation is stable.
The purpose of this utility model can be realized by the following technical scheme: a kind of pneumatic main shaft holder, including base, if
The bearing block and piston being placed in base, are fixedly connected between bearing block and base by bolt, which is characterized in that the bearing
It is installed with the cylinder chamber for piston transverse shifting between seat and base, offers the gas being connected with cylinder chamber on the base
Hole one and stomata two are provided with the synchronizing wheel of hollow form in the bearing block, are arranged between the synchronizing wheel and bearing block
There are several bearings, the collet for being made of several valve collet sliding blocks and being used for clamping workpiece is provided in the synchronizing wheel, it is each to press from both sides
It is in mating connection by guide rail between head slider and synchronizing wheel, the tapered shape of the inner wall of the synchronizing wheel, and guide rail is arranged
In on the inner wall of synchronizing wheel, the end of each collet sliding block is respectively fixedly connected by the pulling plate of its transverse shifting of piston driving, described
The folder hole designed according to shape of product is offered in the middle part of collet.
In a kind of above-mentioned pneumatic main shaft holder, the outer end of the piston is stretched out outside base, and piston stretches out machine
End outside seat is equipped with waterproof cover, and bushing, and the bushing one end and waterproof are provided between the waterproof cover and synchronizing wheel
Lid is fixedly connected with the other end and is fixedly connected with pulling plate.
In a kind of above-mentioned pneumatic main shaft holder, the guide rail can lead for I-shaped guide rail, dovetail guide or T shape
Rail.
In a kind of above-mentioned pneumatic main shaft holder, the guide rail and synchronizing wheel are integrated design, and guide rail can also be with
Collet sliding block integrated design.
In a kind of above-mentioned pneumatic main shaft holder, bearing, the waterproof are provided between the bushing and piston
The thrust plate for Limit Bearing is provided between lid and piston.
In a kind of above-mentioned pneumatic main shaft holder, the end of the synchronizing wheel, which has to offer to cooperate for bushing, is moved
Step groove, and be provided with sealing ring between bushing and the internal perisporium of the step groove of synchronizing wheel.
In a kind of above-mentioned pneumatic main shaft holder, bearing plate is fixed on the end of the synchronizing wheel.
In a kind of above-mentioned pneumatic main shaft holder, it is provided with sealing ring between the waterproof cover and bushing, it is described
It is provided with sealing ring between bearing block and base, sealing ring, the piston and axis are provided between the piston and base
It holds and is also equipped with sealing ring between seat.
Compared with prior art, this pneumatic main shaft holder has the advantage that
1, using the collet being made of multiple collet sliding blocks, each independent collet sliding block inner surface is easily worked out various
The cavity of anisotropic shape, so that collet is capable of clamping various special-shaped workpieces, application range is wider；
2, it is additionally arranged the guide rail being cooperatively connected with collet sliding block in the design of capitate shape inside synchronizing wheel, it is not only mobile accurate steady
It is fixed, and mobile stroke is bigger, is capable of clamping large-scale workpiece；
3, it is additionally arranged waterproof cover and is provided with sealing ring between the components, play the role of dustproof and waterproof.
Detailed description of the invention
Fig. 1 is the positive structure diagram of this pneumatic main shaft holder.
Fig. 2 is the schematic cross-sectional view of this pneumatic main shaft holder.
In figure, 1, pulling plate；2, waterproof cover；3, thrust plate；4, piston；5, bearing block；6, synchronizing wheel；7, collet；7a, collet
Sliding block；8, sealing ring；9, base；10, bearing plate；11, cylinder chamber；12, stomata one；13, stomata two；14, bearing；15, it leads
Rail；16, folder hole；17, bushing；18, step groove.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, this pneumatic main shaft holder includes base 9, the bearing block 5 and piston 4 being set in base 9,
It is fixedly connected between bearing block 5 and base 9 by bolt, the gas for 4 transverse shifting of piston is installed between bearing block 5 and base 9
Cylinder chamber 11 offers the stomata 1 and stomata 2 13 being connected with cylinder chamber 11 on base 9, is provided in bearing block 5 hollow
The synchronizing wheel 6 of shape is provided with several bearings 14 between synchronizing wheel 6 and bearing block 5, be provided in synchronizing wheel 6 by several folders
Head slider 7a composition is used for the collet 7 of clamping workpiece, passes through 15 company of matching of guide rail between each collet sliding block 7a and synchronizing wheel 6
It connects, the tapered shape of the inner wall of synchronizing wheel 6, and guide rail 15 is set on the inner wall of synchronizing wheel 6, the end difference of each collet sliding block 7a
It is fixed with the pulling plate 1 for driving its transverse shifting by piston 4, offers the folder hole 16 designed according to shape of product in the middle part of collet 7,
The outer end of piston 4 is stretched out outside base 9, and the end stretched out outside base 9 of piston 4 is equipped with waterproof cover 2, waterproof cover 2 with it is synchronous
It is provided with bushing 17 between wheel 6, and 17 one end of bushing is fixedly connected with the other end with waterproof cover 2 and is fixedly connected with pulling plate 1, guide rail 15 can
For I-shaped guide rail 15, dovetail guide 15 or T-rail 15.
The working principle of this pneumatic main shaft holder is as follows: clamping air pressure and is entered in cylinder chamber 11 by stomata 2 13, pushes and live
Plug 4 does pinching action outward, and piston 4 pushes the splash guard being connected with bushing 17 to move outward, the drawing being connected at this time with bushing 17
Plate 1 also follows piston 4 to move outward, so that several collet sliding block 7a is driven to move backward according to the track of guide rail 15,
The clamping to workpiece is realized under the action of taper, otherwise unclamps air pressure and cylinder chamber 11 is entered by stomata 1, similarly to work
Principle realizes the release to workpiece.
It further describes in detail and is provided with bearing 14 between the bushing 17 in this pneumatic main shaft holder and piston 4, waterproof cover 2 and work
The thrust plate 3 for Limit Bearing 14 is provided between plug 4, the end of synchronizing wheel 6, which has to offer to cooperate for bushing 17, moves
Step groove 18, and sealing ring 8 is provided between bushing 17 and the internal perisporium of the step groove of synchronizing wheel 6 18, the end of synchronizing wheel 6
On be fixed with bearing plate 10.
In order to which the waterproof effect of this pneumatic main shaft holder is more preferable, sealing ring is provided between its waterproof cover 2 and bushing 17
8, it is provided with sealing ring 8 between bearing block 5 and base 9, sealing ring 8, piston 4 and bearing block are provided between piston 4 and base 9
Sealing ring 8 is also provided between 5.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. a kind of pneumatic main shaft holder, including base (9), bearing (14) seat (5) and the piston (4) being set in base (9), axis
It holds and is fixedly connected between (14) seat (5) and base (9) by bolt, which is characterized in that described bearing (14) seat (5) and base
(9) it is installed with the cylinder chamber (11) for piston (4) transverse shifting between, is offered on the base (9) and cylinder chamber (11)
The stomata one (12) and stomata two (13) being connected, the interior synchronizing wheel (6) for being provided with hollow form of the bearing (14) seat (5),
Several bearings (14), setting in the synchronizing wheel (6) are provided between the synchronizing wheel (6) and bearing (14) seat (5)
By the collet (7) being made of several valve collet sliding blocks (7a) for clamping workpiece, between each collet sliding block (7a) and synchronizing wheel (6)
It is in mating connection by guide rail (15), the tapered shape of inner wall of the synchronizing wheel (6), and guide rail (15) is set to synchronizing wheel
(6) on inner wall, the pulling plate (1) that its transverse shifting is driven by piston (4), institute is respectively fixedly connected in the end of each collet sliding block (7a)
The folder hole (16) designed according to shape of product is offered in the middle part of the collet (7) stated.
2. a kind of pneumatic main shaft holder according to claim 1, which is characterized in that stretch the outer end of the piston (4)
Outside, and piston (4) stretches out base (9) outer end and is equipped with waterproof cover (2) base (9) out, the waterproof cover (2) with it is synchronous
It is provided with bushing (17) between wheel (6), and bushing (17) one end is fixedly connected with the other end and pulling plate (1) mutually admittedly with waterproof cover (2)
Even.
3. a kind of pneumatic main shaft holder according to claim 1, which is characterized in that the guide rail (15) can be I-shaped
Guide rail, dovetail guide or T-rail.
4. a kind of pneumatic main shaft holder according to claim 1, which is characterized in that the guide rail (15) and synchronizing wheel
(6) it is integrated design.
5. a kind of pneumatic main shaft holder according to claim 2, which is characterized in that the bushing (17) and piston (4)
Between be provided with bearing (14), the thrust plate for Limit Bearing (14) is provided between the waterproof cover (2) and piston (4)
(3).
6. a kind of pneumatic main shaft holder according to claim 2, which is characterized in that the end of the synchronizing wheel (6) has
Have and offer the step groove (18) mobile for bushing (17) cooperation, and bushing (17) and the step groove (18) of synchronizing wheel (6) is interior
Sealing ring (8) are provided between peripheral wall.
7. a kind of pneumatic main shaft holder according to claim 1, which is characterized in that on the end of the synchronizing wheel (6)
It is fixed with bearing plate (10).
8. a kind of pneumatic main shaft holder according to claim 2, which is characterized in that the waterproof cover (2) and bushing
(17) it is provided between sealing ring (8), is provided with sealing ring (8) between the bearing (14) seat (5) and base (9), it is described
Piston (4) and base (9) between be provided with sealing ring (8), be also provided between the piston (4) and bearing (14) seat (5)
There are sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757124.8U CN208341747U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic main shaft holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757124.8U CN208341747U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic main shaft holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208341747U true CN208341747U (en) | 2019-01-08 |
Family
ID=64890209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820757124.8U Active CN208341747U (en) | 2018-05-21 | 2018-05-21 | A kind of pneumatic main shaft holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208341747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792632A (en) * | 2020-12-30 | 2021-05-14 | 浙江巨跃齿轮有限公司 | Oil pump gear end face machining power head and machining process thereof |
-
2018
- 2018-05-21 CN CN201820757124.8U patent/CN208341747U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792632A (en) * | 2020-12-30 | 2021-05-14 | 浙江巨跃齿轮有限公司 | Oil pump gear end face machining power head and machining process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220408 Address after: 317507 801-1 (West), pu'ao Industrial Zone, RuoHeng Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Taizhou Tailong Technology Co.,Ltd. Address before: 317599 Honglu Dengkou, Baizhang South Road, xiaaoyan village, Chengdong street, Wenling City, Taizhou City, Zhejiang Province Patentee before: WENLING CHENGDONG BOWEI PLASTIC MOULD FACTORY |
|
| TR01 | Transfer of patent right |