CN208132015U - A kind of foward-push step collet chuck - Google Patents
A kind of foward-push step collet chuck Download PDFInfo
- Publication number
- CN208132015U CN208132015U CN201820300097.1U CN201820300097U CN208132015U CN 208132015 U CN208132015 U CN 208132015U CN 201820300097 U CN201820300097 U CN 201820300097U CN 208132015 U CN208132015 U CN 208132015U
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- China
- Prior art keywords
- clamping
- collet chuck
- grain
- annular convex
- convex platform
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Abstract
The utility model relates to mechanical structures, more specifically, it is related to a kind of foward-push step collet chuck, including collet chuck body ontology, it is characterised in that, collet chuck body ontology includes fixed and clamping section, fixation is connect with clamping section, and clamping section center is equipped with the clamping hole through clamping section, is equipped with annular convex platform on the separate fixed end face in clamping section, the first open circles that annular convex platform is constituted are intertwined with clamping hole, and the first hollow circular diameter that annular convex platform is constituted is greater than the diameter of clamping hole；The side wall of collet chuck body ontology is equipped with strip groove, and clamping hole, annular convex platform are divided into more equal parts by strip groove, and the front end face of clamping section and the inner wall of annular convex platform form mounting portion, clamping jaw grain are symmetrically arranged on the mounting portion.The utility model installs clamping jaw grain by the way that annular convex platform is arranged in clamping end surface, more can firmly clamp workpiece by clamping jaw grain, meanwhile, convenient for the replacement of tooling；Select various sizes of clamping jaw grain that can meet the installation requirement of various sizes of workpiece size.
Description
Technical field
The utility model relates to mechanical structures, more particularly, to a kind of foward-push step collet chuck.
Background technique
In the prior art, circular bar generally uses chuck or clamp to carry out clamping, fixation of the collet chuck seat as collet
Device, determines the assembly precision of collet, so that the precision of process production and processing is influenced, in addition, in the prior art, use
Collet chuck clamping face effect is bad, and clamping force is inadequate, is easy to skid in process, burns out folder cylinder.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of clamping workpiece efficiency that effectively improves is provided
Foward-push step collet chuck.
To solve the above problems, technical solution provided by the utility model is：A kind of foward-push step collet chuck, including collet chuck
Body ontology, wherein the collet chuck body ontology includes fixed part and clamping section, and fixed part is connect with clamping section, the clamping
Portion center is equipped with the clamping hole through clamping section, is equipped with annular convex platform, annular on the separate fixed end face in the clamping section
The first open circles that boss is constituted are intertwined with clamping hole, and the first hollow circular diameter that annular convex platform is constituted is greater than clamping
The diameter in hole；The side wall of the collet chuck body ontology is equipped with strip groove, and clamping hole, annular convex platform are divided into mostly etc. by strip groove
Point, the front end face of clamping section and the inner wall of annular convex platform form mounting portion, and clamping jaw grain is symmetrically arranged on the mounting portion.It is pressing from both sides
The center of the end face in tight portion is equipped with through clamping section until the clamping hole of fixed part, is surrounded by a diameter ratio in clamping hole
The end face of the big annular convex platform of clamping bore dia, annular convex platform and clamping section constitutes mounting portion, and clamping jaw grain is set at mounting portion, passes through
Clamping jaw grain, which is arranged, can make the promptly workpiece more fastened that can select to close according to the size of workpiece product during the work time
The size of suitable clamping jaw grain is installed, and various sizes of production requirement is adapted it to；Workpiece is connect with clamping hole, due to clamping
Hole is divided into more equal parts by strip groove, when drum jacket is axially moved back and forth by the power that pull rod passes over, drum jacket phase
Collet chuck body is axially moved, so that clamping hole and clamping jaw grain be made to make release and clamping movement.
Further, the clamping jaw grain is fan ring structure.By clamping jaw grain be set as fan ring structure, with meet its with
The cooperation of boss and clamping hole.
Further, the inner wall of face and annular convex platform where the orthodrome of the clamping jaw grain connects, multiple clamping jaw grains
Face where small arc-shaped connects and composes the second open circles, and the second open circles are connected with clamping hole.The clamping jaw of multiple fan ring structures
Grain, which is combined, can form an annular clamping jaw grain, and the open circles of annular clamping jaw grain are connected to clamping hole.
Further, the small arc-shaped of the clamping jaw grain is equipped with multiple grooves on the whole.The groove is laterally and vertical
To arranged in a crossed manner.Face where the small arc-shaped of clamping jaw grain is directly connected with workpiece, and groove is arranged above, can increase itself and work
The frictional force on part surface.
Further, the annular convex platform is equipped with the first circular hole, and the clamping jaw grain is equipped with the second circular hole, described
The first circular hole and the inner wall of the second circular hole be equipped with helicitic texture, the first circular hole is connected by screw to the second circular hole.
Further, the fixed part is hollow cylindrical structure, and the clamping section is trapezoidal shape structure.It clamps
The diameter in portion is greater than the diameter of fixed part, and fixed part is set as cylindrical structure, is adapted with the inner-cavity structure of drum jacket, and incite somebody to action
Clamping section is set as trapezoidal shape structure, and the diameter of clamping section is greater than the diameter of fixed part, when drum jacket axially moves, due to folder
The diameter in tight portion is big, and when drum jacket moves at clamping section, the internal chamber wall of drum jacket then generates active force to clamping section, thus
Clamping section is set to make pinching action.
Compared with prior art, beneficial effect is：A kind of foward-push step collet chuck provided by the utility model, by pressing from both sides
Tight end surface setting annular convex platform installs clamping jaw grain, more can firmly clamp workpiece by clamping jaw grain, meanwhile, it is convenient for tooling
Replacement；Select various sizes of clamping jaw grain that can meet the installation requirement of various sizes of workpiece size.
Detailed description of the invention
Fig. 1 is the utility model clamping machine tool device overall structure diagram.
Fig. 2 is the utility model drawbar structure diagram.
Fig. 3 is the utility model location seat structure schematic diagram.
Fig. 4 is the utility model drum jacket structural schematic diagram.
Fig. 5 is the utility model collet chuck body structural schematic diagram.
Fig. 6 is the utility model collet chuck body stereoscopic schematic diagram.
Fig. 7 is the utility model clamping jaw kernel structure schematic diagram.
Fig. 8 is the utility model clamping jaw grain stereoscopic schematic diagram.
Fig. 9 is the utility model collet chuck lid structural schematic diagram.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
Shown in as shown in Figures 1 to 9, foward-push collet chuck provided by the utility model is mainly used for clamping machine tool device, machine
Bed clamping device includes positioning seat 1, drum jacket 2, collet chuck body 3, collet chuck lid 4 and pull rod 5；Match with drum jacket 21 inner cavity of positioning seat
Installation is closed, inner cavity and the collet chuck body 3 of collet chuck body 3 are coupled, and the one of 1 inner cavity of positioning seat and drum jacket 2 is protruded into one end of pull rod 5
End connection；The other end of positioning seat 1 is connect with collet chuck lid 4；Wherein, the collet chuck body 3 is clamping section close to one end of collet chuck lid 4
32, it is fixed part 31 close to one end of pull rod 5, the clamping jaw grain 6 for clamping workpiece is additionally provided on the clamping section 32；Positioning
The side wall of seat 1 is equipped with stop screw hole 11, and the side wall of drum jacket 2 is equipped with stop screw slot 22, peace in stop screw hole 11
It is installed with screw, screw is in stop screw hole 11 to stop screw slot 22；Drum jacket 2 is connect with 3 clamping section 32 of collet chuck body
One end be additionally provided with for limit collet chuck body 3 skidding spacer pin 21.
As shown in Figure 5, Figure 6, specifically, 32 center of clamping section is equipped with the clamping hole 33 through clamping section 32, in clamping section
32 are equipped with annular convex platform 34 far from fixed end face, and the first open circles that annular convex platform 34 is constituted mutually are passed through with clamping hole 33
It wears, the first hollow circular diameter that annular convex platform 34 is constituted is greater than the diameter of clamping hole 33；The side wall of collet chuck body 3 is equipped with strip groove
36, clamping hole 33, annular convex platform 34 are divided into more equal parts by strip groove 36, wherein fixed part 31 is hollow structure, clamping section 32
Front end face and annular convex platform 34 inner wall formed mounting portion 37, clamping jaw grain 6 be set to mounting portion 37 on.In the end face of clamping section 32
Center be equipped with through clamping section 32 until the clamping hole 33 of fixed part 31, is surrounded by diameter than dress in clamping hole 33
The end face of the big annular convex platform 34 of 33 diameter of folder hole, annular convex platform 34 and clamping section 32 constitutes mounting portion 37, and clamping jaw grain 6 is set to installation
At portion 37, by be arranged that clamping jaw grain 6 can make more to fasten promptly workpiece during the work time can be according to workpiece product
Size selects the size of suitable clamping jaw grain 6 to be installed, and adapts it to various sizes of production requirement；Workpiece and clamping hole
33 connections, since clamping hole 33 is divided into more equal parts by strip groove 36, when the power that drum jacket 2 is passed over by pull rod 5
When returning axial movement, drum jacket 2 is axially moved relative to collet chuck body 3, so that clamping hole 33 and clamping jaw grain 6 be made to unclamp and press from both sides
Tight movement.
As shown in Figure 7, Figure 8, in addition, clamping jaw grain 6 is fan ring structure, fan ring structure is set by clamping jaw grain 6, with full
The cooperation of foot itself and boss and clamping hole 33.Face where the orthodrome of clamping jaw grain 6 is connect with the inner wall of annular convex platform 34, multiple folders
Face where the small arc-shaped of pawl grain 6 connects and composes the second open circles, and the second open circles are connected with clamping hole 33.Multiple fan ring junctions
The clamping jaw grain 6 of structure, which is combined, can form an annular clamping jaw grain 6, and the open circles and clamping hole 33 of annular clamping jaw grain 6 connect
It is logical.The small arc-shaped of clamping jaw grain 6 is equipped with multiple grooves 62 on the whole, and groove 62 is horizontal and vertical arranged in a crossed manner.Clamping jaw grain 6 it is small
Face where circular arc is directly connected with workpiece, and groove 62 is being arranged above, can increase the frictional force of itself and workpiece surface.Annular
Boss 34 is equipped with the first circular hole 35, and clamping jaw grain 6 is equipped with the second circular hole 61, and the inner wall of the first circular hole 35 and the second circular hole 61 is equal
Equipped with helicitic texture, the first circular hole 35 is connected by screw to the second circular hole 61.
Wherein, fixed part 31 is hollow cylindrical structure, and clamping section 32 is trapezoidal shape structure, and the inner cavity of drum jacket is equipped with
The cone structure 23 matched with 32 halfpace structure of clamping section.The diameter of clamping section 32 is greater than the diameter of fixed part 31, will fix
Portion 31 is set as cylindrical structure, is adapted with the inner-cavity structure of drum jacket 2, and clamping section 32 is set as trapezoidal shape structure, clamps
The diameter that the diameter in portion 32 is greater than fixed part 31, since the diameter of clamping section 32 is big, works as cylinder when drum jacket 2 axially moves
When collet 2 is moved at clamping section 32, the internal chamber wall of drum jacket 2 then generates active force to clamping section 32, to make clamping section 32
Make pinching action.
In the present invention, positioning seat 1 and machine tool chief axis cone match are installed, and are locked it in by screw mounting hole
On main shaft, 1 inner cavity of positioning seat and drum jacket 2 cooperate, and 1 end face step circles of positioning seat and collet chuck lid 4 cooperate, and positioning seat 1 is equivalent to
The matched parent of tooling, inner cavity from level to level tooling cooperate installation, it is all linked with one another composition a whole set of can be with the work of normal operation
Dress；The outer wall and positioning seat 1 of drum jacket 2 cooperate, and inner cavity and collet chuck body 3 cooperate, and drum jacket 2 revolves clockwise in positioning seat 1
Turn and the threaded connection on pull rod 5；The other end of pull rod 5 and the hydraulic cylinder of equipment connect, and hydraulic cylinder passes to pressure
Pull rod 5 is to drive drum jacket 2 to axially move in the cavity of positioning seat 1；The fixed tight limit of one piece of screw is installed on positioning seat 1
Position screw slots 22, prevent drum jacket 2 from skidding in circumferencial direction；Collet chuck body 3 is using the spacer pin 21 of 2 inner cavity of drum jacket as installation
Guiding, spacer pin 21, which also has, prevents collet chuck body 3 from occurring radial slipping phenomenon in drum jacket 2, is matched by the interior exocoel of the two
Installation is closed, collet chuck body 3 is generated by the active force from drum jacket 2 and unclamps pinching action, and 6 operation of clamping jaw grain, clamping jaw grain are driven
With merging using the locking of collet chuck lid 4, clamping jaw grain 6 is driven 6 collet chuck bodies 3 by collet chuck body 3, and work can be clamped or unclamped to product
Industry；Collet chuck lid 4 is oriented to using 1 step circles of positioning seat as installation, is locked on positioning seat 1 by screw, mainly to clamping jaw grain 6
The position-limiting action of an axial direction is played with collet chuck body 3.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (7)
1. a kind of foward-push step collet chuck, including collet chuck body ontology, which is characterized in that the collet chuck body ontology includes fixed part
And clamping section, fixed part are connect with clamping section, the clamping section center is equipped with the clamping hole through clamping section, in the folder
Tight portion is equipped with annular convex platform far from the end face of fixed part, and the first open circles that annular convex platform is constituted mutually are passed through with clamping hole
It wears, the first hollow circular diameter that annular convex platform is constituted is greater than the diameter of clamping hole；The side wall of the collet chuck body ontology is equipped with
Clamping hole, annular convex platform are divided into more equal parts by strip groove, strip groove, and the front end face of clamping section and the inner wall of annular convex platform are formed
Mounting portion is symmetrically arranged with clamping jaw grain on the mounting portion.
2. a kind of foward-push step collet chuck according to claim 1, which is characterized in that the clamping jaw grain is fan ring junction
Structure.
3. a kind of foward-push step collet chuck according to claim 2, which is characterized in that the orthodrome institute of the clamping jaw grain
It is connected in the inner wall of face and annular convex platform, face where the small arc-shaped of multiple clamping jaw grains connects and composes the second open circles, and second is hollow
Circle is connected with clamping hole.
4. a kind of foward-push step collet chuck according to claim 2, which is characterized in that the small arc-shaped institute of the clamping jaw grain
It is equipped with multiple grooves on the whole.
5. a kind of foward-push step collet chuck according to claim 4, which is characterized in that the horizontal and vertical friendship of the groove
Fork setting.
6. a kind of foward-push step collet chuck according to claim 3, which is characterized in that the annular convex platform is equipped with the
One circular hole, the clamping jaw grain are equipped with the second circular hole, and the inner wall of first circular hole and the second circular hole is equipped with screw thread knot
Structure, the first circular hole are connected by screw to the second circular hole.
7. a kind of foward-push step collet chuck according to claim 3, which is characterized in that the fixed part is hollow circle
Column construction, the clamping section are trapezoidal shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820300097.1U CN208132015U (en) | 2018-03-05 | 2018-03-05 | A kind of foward-push step collet chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820300097.1U CN208132015U (en) | 2018-03-05 | 2018-03-05 | A kind of foward-push step collet chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208132015U true CN208132015U (en) | 2018-11-23 |
Family
ID=64288702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820300097.1U Expired - Fee Related CN208132015U (en) | 2018-03-05 | 2018-03-05 | A kind of foward-push step collet chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208132015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142625A (en) * | 2019-06-14 | 2019-08-20 | 江阴机械制造有限公司 | A kind of mold rapid-replacement positioning device, machine tool assembly and application method |
-
2018
- 2018-03-05 CN CN201820300097.1U patent/CN208132015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142625A (en) * | 2019-06-14 | 2019-08-20 | 江阴机械制造有限公司 | A kind of mold rapid-replacement positioning device, machine tool assembly and application method |
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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 |
Granted publication date: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |