CN203592166U - Clamp for roughly turning outer circle and roughly reaming inner hole of air cylinder sleeve - Google Patents

Clamp for roughly turning outer circle and roughly reaming inner hole of air cylinder sleeve Download PDF

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Publication number
CN203592166U
CN203592166U CN201320819032.5U CN201320819032U CN203592166U CN 203592166 U CN203592166 U CN 203592166U CN 201320819032 U CN201320819032 U CN 201320819032U CN 203592166 U CN203592166 U CN 203592166U
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China
Prior art keywords
mandrel
roughly
clamp
piece
expander
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CN201320819032.5U
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Chinese (zh)
Inventor
杨庆年
郭燕清
徐斌
景长生
杨海涛
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CHENGDU GALAXY POWER Co Ltd
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CHENGDU GALAXY POWER Co Ltd
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Priority to CN201320819032.5U priority Critical patent/CN203592166U/en
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Abstract

The utility model relates to a clamp for roughly turning an outer circle and roughly reaming an inner hole of an air cylinder sleeve. The clamp comprises a mandrel (1), a double-cone pull rod (2), an expansion block (4), an expansion tire (5) and a reamer (6). The double-cone pull rod (2) is sleeved with the mandrel (1), the front end of the double-cone pull rod (2) serves as a working section (13), the rear end of the double-cone pull rod (2) serves as a limiting section (14), the expansion block (4) is installed in a radial grove of the mandrel (1) in a matched mode, the expansion block (4) is arranged in the radial direction of the mandrel (1), the outer side face of the expansion block (4) is matched with the inner circle face of the expansion tire (5), annular reset springs (12) are arranged in a spring annular groove of the expansion tire (5), and the reamer (6) is fixed on the front end face of the mandrel (1). The clamp has the advantages that the process of roughly reaming the inner hole and the process of roughly turning the outer circle are completed at the same time, a tool is assembled on the clamp, the wall thickness difference of the air cylinder sleeve can be controlled, and the problems that the rejection rate is high, and quality is reduced due to the wall thickness difference are solved.

Description

A kind of rough turn cylindrical of cylinder jacket and slightly cut with scissors internal clamp
Technical field
The utility model relates to mechanical industry auto parts and components clamp for machining, particularly the rough turn cylindrical of a kind of cylinder jacket and slightly cut with scissors internal clamp.
Background technology
Industry inside cylinder cover generally adopts thick hinge endoporus and rough turn cylindrical two procedures to divide the roughing technology mode of order processing at present.Thick hinge endoporus generally adopts the processing mode that liner blank both ends of the surface outer rim is benchmark; Rough turn cylindrical generally adopts endoporus after thick hinge endoporus as benchmark, fixture use in the middle of the clamp structure of sliding sleeve or single cone.And this processing mode requires high to the rough-cast quality level of cylinder jacket, and existing casting level is difficult to the level that reaches desirable in industry, when so thick hinge endoporus, just cause cylinder jacket and main shaft to be difficult to concentric, after processing, cause cylinder jacket circumferencial direction to have inhomogeneous wall thickness, and cause inhomogeneous wall thickness so that the rough turn cylindrical of Internal hole positioning is corresponding, cause the percent defective of product higher, Quality Down.This Project design a kind of rough turn outer circle clamp that closes order processing based on thick hinge endoporus and rough turn cylindrical, solved the problem that processing mode and former fixture can not meet the demands.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, the rough turn cylindrical of a kind of cylinder jacket is provided and slightly cuts with scissors internal clamp, enable on a process equipment, complete thick hinge endoporus and thick cylindrical turning process simultaneously, on fixture, assemble cutter, realize the Wall-Thickness Difference of control cylinder cover, because Wall-Thickness Difference causes, percent defective is higher, the problem of Quality Down in solution.
The purpose of this utility model is achieved through the following technical solutions: the rough turn cylindrical of a kind of cylinder jacket and slightly cut with scissors internal clamp, it comprises mandrel, bicone pull bar, the piece that rises, expander and reamer, bicone drag link sleeve is contained in mandrel, the front end of bicone pull bar is active section, the rear end of bicone pull bar is spacing section, in the radial slot of mandrel, coordinate the piece that rises is installed, the radially setting of piece along mandrel of rising, and the piece lateral surface that rises coordinates with the inner headed face of expander, the spring annular groove of expander is in-built annular returning spring; Described spacing section has external screw thread, coordinates stop nut and locking nut are installed successively on spacing section, and the outside of locking nut also coordinates back-up ring is installed, and stop nut coordinates with mandrel afterbody respectively with back-up ring; Reamer is fixed on the front end face of mandrel by attachment screw.
On described active section, be provided with conical surface A, the inner side of the piece that rises is provided with conical surface B, and conical surface A coordinates and contacts with conical surface B.
Described reamer is that machine presss from both sides four sword roughing reamers.
On described mandrel, coordinate spacer pin is installed, spacer pin is along the radially setting of mandrel, and spacer pin coordinates with expander two end slots.
The utlity model has following advantage:
1, on a process equipment, slightly cut with scissors endoporus and the processing of rough turn cylindrical two procedures simultaneously, solve the problem that former fixture can not meet new processing mode, while having realized processing, control cylinder jacket circumferencial direction and exist relatively thick poor, control in 0.2mm~0.3mm scope.
2, because rise piece and the bicone pull bar conical surface are to join work, in the time of clamping, the every piece that rises all can evenly swell, and has guaranteed the contact area of expander and cylinder cover inner hole, makes location more accurately, reliably.
3, mandrel and expander transmit the circumferential axial freedom of torsional forces and the restriction expander of main shaft simultaneously with spacer pin.
4, each 45 degree conical surfaces inside expander two ends, under fixture releasing orientation, have guaranteed that expander is under the effect of spring, can limit the axial freedom of expander and return to original state.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of bicone pull bar;
Fig. 3 is the sectional structure schematic diagram of piece of rising;
In figure: 1-mandrel, 2-bicone pull bar, 3-spacer pin, the 4-piece that rises, 5-expander, 6-reamer, 7-attachment screw, 8-cylinder jacket, 9-locking nut, 10-stop nut, 11-back-up ring, 12-annular returning spring, 13-active section, spacing section of 14-, 15-conical surface A, 16-conical surface B.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of rough turn cylindrical of cylinder jacket and slightly cut with scissors internal clamp, it comprises mandrel 1, bicone pull bar 2, piece 4 rises, expander 5 and reamer 6, bicone pull bar 2 is sleeved in mandrel 1, the front end of bicone pull bar 2 is active section 13, the rear end of bicone pull bar 2 is spacing section 14, in mandrel 1 radial slot, coordinate the piece 4 that rises is installed, the radially setting of piece 4 along mandrel 1 of rising, and piece 4 lateral surfaces that rise coordinate with the inner headed face of expander 5, the spring annular groove of expander 5 is in-built annular returning spring 12, bicone pull bar 2, piece 4 rises, expander 5 forms swelling device, on bicone pull bar 2, be processed into cylindrical shape and cone shape, this structure processing technology is good, bicone pull bar 2 rotates any angle can move axially to implement the tensioner to cylinder jacket 8 by it, described spacing section 14 has external screw thread, on spacing section 14, coordinate stop nut 10 and locking nut 9 are installed successively, the outside of locking nut 9 also coordinates back-up ring 11 is installed, stop nut 10 coordinates with mandrel 1 afterbody respectively with back-up ring 11, locking nut 9, stop nut 10, back-up ring 11 form stopping means, to prevent without cylinder jacket clamping in the situation that, because bicone pull bar 2 excessive slip cause coming off of expander 5, reamer 6 is fixed on the front end face of mandrel 1 by attachment screw 7.
As shown in Figures 2 and 3, on described active section 13, be provided with conical surface A15, the inner side of the piece 4 that rises is provided with conical surface B16, and conical surface A15 coordinates and contacts with conical surface B16.
Reamer 6 presss from both sides four sword roughing reamers for machine.
On mandrel 1, five screw holes of each design, coordinate spacer pin 3 are installed on mandrel 1, and spacer pin 3 is along the radially setting of mandrel 1, and the end of spacer pin 3 coordinates with active section 13, to transmit the torsional forces of main shaft and to limit the circumferential axial freedom of expander 5.

Claims (4)

1. the rough turn cylindrical of cylinder jacket and slightly cut with scissors internal clamp, it is characterized in that: it comprises mandrel (1), bicone pull bar (2), piece (4) rises, expander (5) and reamer (6), bicone pull bar (2) is sleeved in mandrel (1), the front end of bicone pull bar (2) is active section (13), the rear end of bicone pull bar (2) is spacing section (14), in the radial slot of mandrel (1), coordinate the piece that rises (4) is installed, the radially setting of piece (4) along mandrel (1) of rising, and the piece that rises (4) lateral surface coordinates with the inner headed face of expander (5), the spring annular groove of expander (5) is in-built annular returning spring (12), described spacing section (14) have external screw thread, on spacing section (14), coordinate stop nut (10) and locking nut (9) are installed successively, the outside of locking nut (9) also coordinates back-up ring (11) is installed, and stop nut (10) coordinates with mandrel (1) afterbody respectively with back-up ring (11), reamer (6) is fixed on the front end face of mandrel (1) by attachment screw (7).
2. the rough turn cylindrical of a kind of cylinder jacket according to claim 1 and slightly cut with scissors internal clamp, it is characterized in that: on described active section (13), be provided with conical surface A(15), the rise inner side of piece (4) is provided with conical surface B(16), conical surface A(15) with conical surface B(16) coordinate and contact.
3. the rough turn cylindrical of a kind of cylinder jacket according to claim 1 and slightly cut with scissors internal clamp, is characterized in that: described reamer (6) presss from both sides four sword roughing reamers for machine.
4. the rough turn cylindrical of a kind of cylinder jacket according to claim 1 and slightly cut with scissors internal clamp, it is characterized in that: upper cooperation of described mandrel (1) is provided with spacer pin (3), spacer pin (3) is along the radially setting of mandrel (1), and spacer pin (3) coordinates with expander (5) two end slots.
CN201320819032.5U 2013-12-13 2013-12-13 Clamp for roughly turning outer circle and roughly reaming inner hole of air cylinder sleeve Active CN203592166U (en)

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CN201320819032.5U CN203592166U (en) 2013-12-13 2013-12-13 Clamp for roughly turning outer circle and roughly reaming inner hole of air cylinder sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320819032.5U CN203592166U (en) 2013-12-13 2013-12-13 Clamp for roughly turning outer circle and roughly reaming inner hole of air cylinder sleeve

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690325A (en) * 2015-02-11 2015-06-10 武文成 Hydraulic die-tensioning device
CN106064310A (en) * 2016-07-28 2016-11-02 宁夏宏源长城机床有限公司 Round-ring like part complex machining device
CN106984844A (en) * 2017-04-17 2017-07-28 横店集团东磁股份有限公司 A kind of modified ringfeder device
CN107243760A (en) * 2017-07-25 2017-10-13 成都银河动力有限公司 A kind of cylinder jacket reaming jig
CN108544168A (en) * 2018-06-10 2018-09-18 常州神力电机股份有限公司 A kind of small internal diameter iron core laminated expander tooling

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690325A (en) * 2015-02-11 2015-06-10 武文成 Hydraulic die-tensioning device
CN104690325B (en) * 2015-02-11 2017-11-24 武文成 A kind of hydraulic expanding die device
CN106064310A (en) * 2016-07-28 2016-11-02 宁夏宏源长城机床有限公司 Round-ring like part complex machining device
CN106064310B (en) * 2016-07-28 2017-11-14 宁夏宏源长城机床有限公司 Round-ring like part complex machining device
CN106984844A (en) * 2017-04-17 2017-07-28 横店集团东磁股份有限公司 A kind of modified ringfeder device
CN107243760A (en) * 2017-07-25 2017-10-13 成都银河动力有限公司 A kind of cylinder jacket reaming jig
CN107243760B (en) * 2017-07-25 2023-05-23 成都银河动力有限公司 Cylinder sleeve reaming clamp
CN108544168A (en) * 2018-06-10 2018-09-18 常州神力电机股份有限公司 A kind of small internal diameter iron core laminated expander tooling

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