CN213561102U - Clamping head locking pressing cap - Google Patents
Clamping head locking pressing cap Download PDFInfo
- Publication number
- CN213561102U CN213561102U CN202022008934.3U CN202022008934U CN213561102U CN 213561102 U CN213561102 U CN 213561102U CN 202022008934 U CN202022008934 U CN 202022008934U CN 213561102 U CN213561102 U CN 213561102U
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- China
- Prior art keywords
- sleeve
- outer sleeve
- chuck
- inner sleeve
- steel ball
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
A chuck locking pressing cap comprises an outer sleeve, an inner sleeve, a steel ball and a clamp spring; the outer circle surface of the outer sleeve is provided with a plurality of strip grooves, and the inner part of the outer sleeve is provided with a straight hole, a ball ring groove, a clamp spring groove and an internal thread; the outer circle of the inner sleeve is provided with a scapular surface, and the inner part of the inner sleeve is provided with an inner conical surface and an inner convex ring platform; the outer sleeve is internally provided with an inner sleeve, a steel ball and an inner snap spring, and the outer sleeve is connected with the steel ball and the inner sleeve in a reasonable combination way; the outer sleeve moves under the driving of the threads by rotating the outer sleeve, so that the inner sleeve moves in a static state, and the chuck moves to contract or expand at the same time to clamp and loosen a workpiece; the chuck locking pressing cap has the advantages of novel structural design, simple structure, convenience in use, high efficiency and low cost, does not damage the contact surface of a chuck, does not influence the use precision of the chuck, and is an ideal chuck locking pressing cap.
Description
Technical Field
The utility model belongs to the technical field of machine tool functional unit, a cap is pressed in chuck locking is related to.
Background
At present, the chuck is widely applied in the field of machining industry, not only can the machining precision of a product be guaranteed, but also the machining efficiency can be improved, the machining precision is fully determined and recognized by a user, and the chuck can be stably and effectively operated only by being matched with a chuck locking press cap when in use; at present, the chuck locking pressure cap has an integral type and a ball type, the integral type locking pressure cap has great damage to the surface of the chuck, and the clamping precision of the chuck is influenced; the ball type locking pressure cap has the advantages of complex structure, high processing difficulty, low processing efficiency and high product cost.
As a technical staff in the industry, how to design a chuck locking pressing cap through technical improvement so as to solve the technical problems that the technical staff in the industry needs to solve urgently.
Disclosure of Invention
The utility model provides a chuck locking pressure cap, which is arranged through a novel structure, by utilizing the reasonable connection of an outer sleeve, a steel ball and an inner sleeve, the inner sleeve can rotate in the outer sleeve, and the inner sleeve can move in a static state by rotating the outer sleeve, thereby driving the chuck to move, enabling the chuck to contract and expand, and realizing the clamping and loosening of a workpiece; the utility model is not only simple in structure, it is with low costs, still can not cause the harm to the chuck surface and can not influence the centre gripping precision of chuck.
In order to achieve the above object, the utility model adopts the following technical scheme: a chuck locking pressing cap comprises an outer sleeve, an inner sleeve, a steel ball and a clamp spring; the outer circle of the outer sleeve is provided with a plurality of symmetrically distributed strip-shaped grooves, the inner part of the outer sleeve is provided with a front inner straight hole, a ball ring groove, an inner snap spring groove and an internal thread, the front inner straight hole in the outer sleeve is positioned at the front end of the outer sleeve, the ball ring groove is arranged at the rear end of the front inner straight hole, the inner snap spring groove is arranged at the rear end of the ball ring groove, and the internal thread is arranged at the rear end of the inner snap spring groove; the inner sleeve is a cylinder with two steps, the shoulder blade surfaces of the large outer circle and the small outer circle are provided with oblique angles, and the inner sleeve is internally provided with a front inner conical surface, an inner convex ring platform and an inner straight hole; the small end of the inner conical surface is positioned on the front end surface of the inner sleeve, the rear end of the inner conical surface is provided with an inner convex ring platform, and the rear end of the inner convex ring platform is provided with an inner straight hole; a plurality of steel balls are arranged in a ball ring groove of an outer sleeve, the inner sleeve is arranged in the outer sleeve, the plurality of steel balls which are arranged are enabled to cover a small excircle of the inner sleeve and to be in contact with a shoulder blade surface of the inner sleeve, the small excircle of the inner sleeve is matched with a front inner straight hole of the outer sleeve, the front end surface of the inner sleeve is aligned with the front end surface of the outer sleeve, and finally a snap spring is arranged in an inner snap spring groove of the outer sleeve, so that the position stability of the inner sleeve is guaranteed.
The outer circle front end of the outer sleeve is provided with six strip-shaped grooves which are uniformly distributed, and the six strip-shaped grooves are communicated with the front end of the outer sleeve.
The width of the ball ring groove in the outer sleeve is larger than the diameter of the steel ball, and the bottom diameter of the ball ring groove is larger than the outer diameter of the ring formed by the steel balls.
The size and the angle of the front inner taper hole of the inner sleeve are matched with the front outer taper surface of the chuck,
the diameter of the inner convex ring platform of the inner sleeve is smaller than the diameter of the large excircle of the chuck but larger than the bottom diameter of the outer ring groove of the chuck; the thickness of the inner convex ring platform of the inner sleeve is smaller than the width of the outer ring groove of the chuck.
The diameter of the small excircle of the inner sleeve is equal to or less than the inner diameter of the ring composed of a plurality of steel balls.
The utility model has the advantages that: through the design, the outer sleeve is reasonably combined and connected with the steel ball and the inner sleeve, when the outer sleeve is rotated, the steel ball arranged in the ball ring groove of the outer sleeve can slide on the shoulder blade surface of the inner sleeve, the inner sleeve is still in a static state, the outer sleeve moves under the driving of the screw thread of the outer sleeve, so that the inner sleeve is driven to move in the static state, and meanwhile, the chuck is displaced, so that the chuck is contracted or expanded, and the chuck clamps or loosens a workpiece; the utility model discloses structural design is novel, and convenient to use, efficient, it is with low costs, do not harm the chuck surface, do not influence chuck use accuracy, be the chuck locking pressure cap of an ideal.
Drawings
Fig. 1 is an exploded schematic view of the three-dimensional structure of the present invention;
FIG. 2 is a schematic view of the whole section of the jacket
FIG. 3 is a schematic view of the inner sleeve of the present invention
FIG. 4 is a schematic view of the utility model in a front view and a full section;
FIG. 5 is a schematic view of the whole section of the chuck after being assembled
Reference numerals: 1-outer sleeve, 2-steel ball, 3-inner sleeve, 4-inner snap spring, 11-front inner straight hole, 12-ball ring groove, 13-inner snap spring groove, 14-internal thread, 15-outer sleeve rear end face, 16-outer sleeve front end face, 31-front inner conical hole, 32-inner snap ring platform, 33-shoulder blade face, 34-inner straight hole, 35-inner sleeve front end face, 36-inner sleeve rear end face, 8-chuck, 81-chuck ring groove
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in the attached figures 1 and 2, the chuck locking pressing cap comprises an outer sleeve 1, wherein the outer diameter of the outer sleeve 1
The length is 27.5, six grooves which are uniformly distributed and have the width of 6, the depth of 3 and the length of 15 are communicated with the front end surface of the excircle are arranged on the excircle of the excircle; the purpose is as follows: the locking pressing cap can be screwed or loosened at a plurality of angles by using a hook head spanner; an M48X1.5 long internal thread 14 with the length of 10.5 is processed in the locking press cap from the rear end surface 15 of the outer sleeve, and the front end of the internal thread 14 is processed
A hollow cutter groove with the width of 3 is processed at the front end of the hollow cutter groove
A long 2 straight hole is processed at the front end of the straight hollow hole
An inner clamp spring groove 13 with the width of 1.5, and the front end of the inner clamp spring groove 13 is processed
A long 3 inner straight hole is processed at the front end of the inner straight hole
A 4.5 wide ball ring groove 12, the front end of the ball ring groove 12 is processed to be communicated with the front end surface
Front inner straight hole 11; an inner sleeve 3, a steel ball 2 and a clamp spring 4 are arranged in the outer sleeve 1.
The inner sleeve 3 has a large outer diameter of
Length of 4, small outer diameter of
The length is 6.5, the scapular surface 33 of the big and small outer circles is a slope of 10 degrees and tends to the direction of the big outer circle; the front end face 35 of the inner sleeve 3 is processed with a small diameter
Front inner taper hole 31 with 30 degree oblique angle and 5 degree deep, small diameter
The diameter of the front end face 35 of the inner sleeve is processed at the rear end of the front inner taper hole 31
An inner boss 32 having a width of 1.5; the rear end of the inner convex ring platform 32 is processed to be communicated with the rear end 36 of the inner sleeve 3, and the diameter is
Inner straight bore 34; placing 34 steel balls 2 with the diameter of 4 into a ball groove 12 of an outer sleeve 1, placing an inner sleeve 3 into the outer sleeve 1, wherein a small excircle with the diameter of 40 at the front end of the inner sleeve 3 is matched with an inner straight hole 11 with the diameter of 40 of the outer sleeve 1, and the 34 steel balls 2 cover the small excircle with the diameter of 40 of the inner sleeve 3 and are in contact with a scapular surface 33 of the inner sleeve 3; diameter of the hole
The inner snap spring 4 with the thickness of 1.5 is arranged in the inner snap spring groove 13 of the outer sleeve 1, the front end surface 35 of the inner sleeve 3 is arranged together with the front end surface 16 of the outer sleeve 1, and the inner sleeve 3 can rotate in the outer sleeve 1.
The chuck 8 is arranged in the chuck locking pressing cap, the front inner conical surface 31 of the inner sleeve 3 is contacted with the front outer conical surface 82 of the chuck 8, and the inner convex ring boss 32 of the inner sleeve 3 is clamped in the outer ring groove 81 of the chuck 8; thus, when the outer sleeve 1 is screwed down, the steel balls 2 arranged in the ball ring grooves 12 roll on the shoulder blade surface 33 of the inner sleeve 3, so that the inner sleeve 3 is still in a static state, the outer sleeve 1 is driven by the internal threads 14 to move when rotating, and meanwhile, the inner sleeve 3 is driven to move in a static state, so that the chuck 8 is displaced and contracted, and the object is clamped by the chuck 8; on the contrary, when the outer sleeve 1 is loosened, the outer sleeve 1 can drive the inner sleeve 3 to move in a static state, so that the chuck 8 is opened, and the chuck loosens the object.
The utility model discloses simple structure, convenient to use, it is with low costs, do not harm the chuck surface, do not influence chuck use accuracy, be the chuck locking pressure cap of an ideal.
Claims (5)
1. The utility model provides a chuck locking pressure cap which characterized in that: the steel ball clamping device comprises an outer sleeve, wherein a plurality of symmetrically distributed strip-shaped grooves are formed in the outer circle of the outer sleeve, a front inner straight hole, a ball ring groove, a clamp spring groove and an internal thread are formed in the outer sleeve, and an inner sleeve, a steel ball and an inner clamp spring are arranged in the outer sleeve; the outer circle of the inner sleeve is provided with a scapular surface, and the inner part of the inner sleeve is provided with a front inner conical surface, an inner convex ring platform and an inner straight hole; the steel ball arranged in the ball ring groove of the outer sleeve covers the small excircle of the inner sleeve and contacts with the scapular surface of the inner sleeve, the small excircle of the inner sleeve is embedded in the front inner straight hole of the outer sleeve, and the inner sleeve can rotate in the outer sleeve and is fixed in position.
2. The collet locking gland of claim 1, wherein: six rectangular recesses that overcoat excircle front end has evenly distributed, and six rectangular recesses all link up with the overcoat front end.
3. The collet locking gland of claim 1, wherein: the width of the ball ring groove in the outer sleeve is larger than the diameter of the steel ball.
4. The collet locking gland of claim 1, wherein: the small end of the front inner conical surface in the inner sleeve is arranged on the front end surface of the inner sleeve.
5. The collet locking gland of claim 1, wherein: the diameter of the inner convex ring platform of the inner sleeve is 0.5-0.7mm smaller than the diameter of the large excircle of the chuck; the thickness of the inner convex ring platform is smaller than the width of the outer ring groove of the chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022008934.3U CN213561102U (en) | 2020-09-07 | 2020-09-07 | Clamping head locking pressing cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022008934.3U CN213561102U (en) | 2020-09-07 | 2020-09-07 | Clamping head locking pressing cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213561102U true CN213561102U (en) | 2021-06-29 |
Family
ID=76571336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022008934.3U Active CN213561102U (en) | 2020-09-07 | 2020-09-07 | Clamping head locking pressing cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213561102U (en) |
-
2020
- 2020-09-07 CN CN202022008934.3U patent/CN213561102U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A collet locking pressure cap Effective date of registration: 20211105 Granted publication date: 20210629 Pledgee: Dezhou Bank Co.,Ltd. Pingyuan sub branch Pledgor: SHANDONG ZHENG ZHOU MACHINERY CO.,LTD. Registration number: Y2021980012000 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221026 Granted publication date: 20210629 Pledgee: Dezhou Bank Co.,Ltd. Pingyuan sub branch Pledgor: SHANDONG ZHENG ZHOU MACHINERY CO.,LTD. Registration number: Y2021980012000 |