CN202278426U - Blank self-centering and tensioning mechanism - Google Patents

Blank self-centering and tensioning mechanism Download PDF

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Publication number
CN202278426U
CN202278426U CN201120422359XU CN201120422359U CN202278426U CN 202278426 U CN202278426 U CN 202278426U CN 201120422359X U CN201120422359X U CN 201120422359XU CN 201120422359 U CN201120422359 U CN 201120422359U CN 202278426 U CN202278426 U CN 202278426U
Authority
CN
China
Prior art keywords
slip cap
tapered sleeve
blank
tensioning
blank self
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201120422359XU
Other languages
Chinese (zh)
Inventor
尤梅洲
肖照贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI BANGY MACHINERY TECHNOLOGY Co Ltd
Original Assignee
WUXI BANGY MACHINERY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUXI BANGY MACHINERY TECHNOLOGY Co Ltd filed Critical WUXI BANGY MACHINERY TECHNOLOGY Co Ltd
Priority to CN201120422359XU priority Critical patent/CN202278426U/en
Application granted granted Critical
Publication of CN202278426U publication Critical patent/CN202278426U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a blank self-centering and tensioning mechanism, which comprises a clamp plate and is characterized in that a tensioning air cylinder is arranged below the clamp plate, a pull rod is arranged on a piston rod of the tensioning air cylinder and is connected with a pull rod shaft, a conical sleeve is sleeved outside the pull rod shaft, and the outer surface of the upper end of the conical sleeve is a conical face; and a guiding base is sleeved outside the conical sleeve, a sliding sleeve is sleeved outside the guiding base and the conical sleeve, three square holes are uniformly drilled on the upper part of the sliding sleeve along the circumferential direction of the sliding sleeve and are internally provided with a tooth-surface positioning slider respectively, and the inner surface of each tooth-surface positioning slider is matched with a conical outer surface of the upper end of the conical sleeve. A gap is formed between the guiding base and the sliding sleeve and is internally provided with a strong spring, the lower end of the strong spring is connected with the guiding base, and the upper end of the strong spring supports against a concave groove on the inner surface of the sliding sleeve. According to the utility model, the problem of poor positioning caused by poor blank roundness during large-surface machining in the prior art is solved.

Description

Blank self-centering tensioning mechanism
Technical field
The utility model relates to a kind of tensioning mechanism, especially a kind of machining blank self-centering tensioning mechanism that is used for.
Background technology
When clamping tool for machine work designs, run into through regular meeting and to have only the endoporus blank to locate, but big face need be processed the part that can't find available pressure point.Resilient sleeve is used in general endoporus location, but because the circularity of blank is bad, produces the bad situation in location through regular meeting.
Summary of the invention
The purpose of the utility model is to overcome the deficiency that exists in the prior art, and a kind of blank self-centering tensioning mechanism is provided, and realizes the location and clamps good.
The technical scheme that provides according to the utility model; Said blank self-centering tensioning mechanism comprises jig plate, characteristic: the tension cylinder is installed below said jig plate; On the piston rod of tension cylinder pull bar is installed; Cylinder lever connecting rod axle on the pull bar is arranged with tapered sleeve outside pull rod shaft, said tapered sleeve upper end outer surface is a taper seat; Sheathed guide holder outside said tapered sleeve; Sheathed slip cap outside guide holder and tapered sleeve; Circumferencial direction on said slip cap top along slip cap evenly offers three square holes; In square hole, be respectively arranged with flank of tooth positioning sliding block, the inner surface of said flank of tooth positioning sliding block matches with the conical external surface of tapered sleeve upper end.
Between said guide holder and slip cap, have the space, in the space, be provided with brute spring, the lower end of said brute spring is connected with guide holder, and the groove of slip cap inner surface is withstood in the upper end of brute spring.
A plurality of supporting bases are installed on said jig plate, and said supporting base is provided with a plurality of adjustable supports that are used for holding workpieces.
Said adjustable support is fixed on the supporting base by nut.
Second screw and spring washer and the pull rod shaft of said tapered sleeve through the pull rod shaft upper end fixed.
The outer surface of said flank of tooth positioning sliding block is provided with the tooth of the blank hole that is used for embedding workpiece.
Periphery at three flank of tooth positioning sliding blocks is provided with leaf spring.
Arranged outside has spacer pin in the bottom of said tapered sleeve, in the bottom of said slip cap along slip cap radially be provided with through hole, said spacer pin is arranged in the said through hole.
The described blank self-centering of the utility model tensioning mechanism has solved in the prior art big face and has added man-hour, because the bad location of causing of blank circularity is bad and the problem that can't positive compress.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
Below in conjunction with concrete accompanying drawing the utility model is described further.
Like Fig. 1 ~ shown in Figure 2: blank self-centering tensioning mechanism comprises tension cylinder 1, jig plate 2, supporting base 3, nut 4, adjustable support 5, leaf spring 6, slip cap 7, tapered sleeve 8, pull rod shaft 9, spring washer 10, flank of tooth positioning sliding block 11, guide holder 12, brute spring 13, spacer pin 14, pull bar 15, first screw 16, second screw 17, workpiece 18 etc.
The utility model comprises jig plate 2; Below jig plate 2, tension cylinder 1 is installed, pull bar 15 is installed, cylinder lever connecting rod axle 9 on the pull bar 15 on the piston rod of tension cylinder 1 through first screw 16; Outside pull rod shaft 9, be arranged with tapered sleeve 8; Said tapered sleeve 8 is fixing with pull rod shaft 9 with spring washer 10 through second screw 17 of pull rod shaft 9 upper ends, and said tapered sleeve 8 upper end outer surfaces are taper seat, and arranged outside has spacer pin 14 in the bottom of tapered sleeve 8; Sheathed guide holder 12 outside said tapered sleeve 8; Sheathed slip cap 7 outside guide holder 12 and tapered sleeve 8; Circumferencial direction on said slip cap 7 tops along slip cap 7 evenly offers three square holes; In square hole, be respectively arranged with flank of tooth positioning sliding block 11; The inner surface of said flank of tooth positioning sliding block 11 matches with the conical external surface of tapered sleeve 8 upper ends, and the outer surface of flank of tooth positioning sliding block 11 is provided with the tooth of the blank hole that is used for embedding workpiece 18, is provided with leaf spring 6 in the periphery of three flank of tooth positioning sliding blocks 11;
Between said guide holder 12 and slip cap 7, have the space, in the space, be provided with brute spring 13, the lower end of said brute spring 13 is connected with guide holder 12, and the groove of slip cap 7 inner surfaces is withstood in the upper end of brute spring 13;
A plurality of supporting bases 3 are installed on said jig plate 2, and said supporting base 3 is provided with a plurality of adjustable supports 5 that are used for holding workpieces 18, and said adjustable support 5 is fixed on the supporting base 3 by nut 4;
In the bottom of said slip cap 7 along slip cap 7 radially be provided with through hole, said spacer pin 14 is arranged in the said through hole, to limit the shift position of slip cap 7.
The course of work of the utility model: after workpiece 18 usefulness blank hole are inserted slip cap 7; Adopt 1 time motion of tension cylinder, because tapered sleeve 8 is cone match with flank of tooth positioning sliding block 11, so tapered sleeve 8 is by when drop-down; Three blank hole that flank of tooth positioning sliding block 11 all outwards slides and pushes up workpiece 18; At this moment, because the effect of brute spring 13, slip cap 7 can not move down; Embed the blank hole of workpiece 18 when the tooth of flank of tooth positioning sliding block 11 outer surfaces after, tension cylinder 1 continues drop-down, makes slip cap 7 be with workpiece 18 to move to adjustable support 5, make workpiece 18 fix on the adjustable support 5 after, tension workpiece 18 is accomplished the centering tension of workpiece 18.

Claims (8)

1. blank self-centering tensioning mechanism; Comprise jig plate (2); It is characterized in that: in the below of said jig plate (2) tension cylinder (1) is installed, on the piston rod of tension cylinder (1) pull bar (15) is installed, pull bar (15) is gone up cylinder lever connecting rod axle (9); Outside pull rod shaft (9), be arranged with tapered sleeve (8), said tapered sleeve (8) upper end outer surface is a taper seat; Sheathed guide holder (12) outside said tapered sleeve (8); Sheathed slip cap (7) outside guide holder (12) and tapered sleeve (8); Circumferencial direction on said slip cap (7) top along slip cap (7) evenly offers three square holes; In square hole, be respectively arranged with flank of tooth positioning sliding block (11), the inner surface of said flank of tooth positioning sliding block (11) matches with the conical external surface of tapered sleeve (8) upper end.
2. blank self-centering tensioning mechanism as claimed in claim 1; It is characterized in that: between said guide holder (12) and slip cap (7), have the space; In the space, be provided with brute spring (13); The lower end of said brute spring (13) is connected with guide holder (12), and the groove of slip cap (7) inner surface is withstood in the upper end of brute spring (13).
3. blank self-centering tensioning mechanism as claimed in claim 1 is characterized in that: a plurality of supporting bases (3) are installed on said jig plate (2), and said supporting base (3) is provided with a plurality of adjustable supports (5) that are used for holding workpieces (18).
4. blank self-centering tensioning mechanism as claimed in claim 3 is characterized in that: said adjustable support (5) is fixed on the supporting base (3) by nut (4).
5. blank self-centering tensioning mechanism as claimed in claim 1 is characterized in that: said tapered sleeve (8) is fixing with pull rod shaft (9) through second screw (17) and the spring washer (10) of pull rod shaft (9) upper end.
6. blank self-centering tensioning mechanism as claimed in claim 1 is characterized in that: the outer surface of said flank of tooth positioning sliding block (11) is provided with the tooth of the blank hole that is used for embedding workpiece (18).
7. blank self-centering tensioning mechanism as claimed in claim 1 is characterized in that: the periphery at three flank of tooth positioning sliding blocks (11) is provided with leaf spring (6).
8. blank self-centering tensioning mechanism as claimed in claim 1; It is characterized in that: the bottom arranged outside at said tapered sleeve (8) has spacer pin (14); In the bottom of said slip cap (7) along slip cap (7) radially be provided with through hole, said spacer pin (14) is arranged in the said through hole.
CN201120422359XU 2011-10-28 2011-10-28 Blank self-centering and tensioning mechanism Expired - Fee Related CN202278426U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120422359XU CN202278426U (en) 2011-10-28 2011-10-28 Blank self-centering and tensioning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120422359XU CN202278426U (en) 2011-10-28 2011-10-28 Blank self-centering and tensioning mechanism

Publications (1)

Publication Number Publication Date
CN202278426U true CN202278426U (en) 2012-06-20

Family

ID=46224611

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201120422359XU Expired - Fee Related CN202278426U (en) 2011-10-28 2011-10-28 Blank self-centering and tensioning mechanism

Country Status (1)

Country Link
CN (1) CN202278426U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102430950A (en) * 2011-10-28 2012-05-02 无锡倍安杰机械科技有限公司 Self-centering blank tensioning mechanism
CN104589120A (en) * 2015-01-16 2015-05-06 芜湖三联锻造有限公司 Disk type workpiece self-centering device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102430950A (en) * 2011-10-28 2012-05-02 无锡倍安杰机械科技有限公司 Self-centering blank tensioning mechanism
CN104589120A (en) * 2015-01-16 2015-05-06 芜湖三联锻造有限公司 Disk type workpiece self-centering device

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Legal Events

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C14 Grant of patent or utility model
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: 20120620

Termination date: 20161028