CN104084811A - Dual-ring positioning clamp for output shaft - Google Patents

Dual-ring positioning clamp for output shaft Download PDF

Info

Publication number
CN104084811A
CN104084811A CN201410282227.XA CN201410282227A CN104084811A CN 104084811 A CN104084811 A CN 104084811A CN 201410282227 A CN201410282227 A CN 201410282227A CN 104084811 A CN104084811 A CN 104084811A
Authority
CN
China
Prior art keywords
mounting plate
output shaft
fixture
adjustment
plate
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.)
Pending
Application number
CN201410282227.XA
Other languages
Chinese (zh)
Inventor
杨勇
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.)
SHIYAN HEJUN INDUSTRIAL Co Ltd
Original Assignee
SHIYAN HEJUN INDUSTRIAL 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 SHIYAN HEJUN INDUSTRIAL Co Ltd filed Critical SHIYAN HEJUN INDUSTRIAL Co Ltd
Priority to CN201410282227.XA priority Critical patent/CN104084811A/en
Publication of CN104084811A publication Critical patent/CN104084811A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

Abstract

The invention provides a dual-ring positioning clamp for an output shaft. The dual-ring positioning clamp comprises a clamp body with an upper mounting plate and a lower mounting plate, a cavity is formed between the upper mounting plate and the lower mounting plate, and the upper sides of the lower mounting plate and the upper mounting plate are respectively fixedly connected with a lower pressure ring assembly and an upper pressure assembly through screws. A plurality of support blocks are mounted on the upper surface of an upper connecting sleeve through screws and are circumferentially uniformly distributed on the periphery of the upper connecting sleeve, three hydraulic pressure plate mechanisms are uniformly circumferentially distributed on the upper mounting plate, and a circumferential limit pin mechanism is mounted on the upper mounting plate and is capable of circumferentially positioning the output shaft. An upper pressure ring and a lower pressure ring clamp the output shaft, the output shaft is positioned by self-centering, perpendicularity of the output shaft is guaranteed, and the output shaft is axially limited by the support blocks and circumferentially positioned by the circumferential limit pin mechanism, so that accurate positioning of the output shaft is reliably guaranteed. By the aid of the hydraulic pressure plate mechanisms, pressing force is reliable; quick discharging is realized by a discharging oil cylinder, and time and labor are saved.

Description

A kind of output shaft dicyclo positioning fixture
Technical field
The present invention relates to work in-process and process in the heart the positioning fixture of output shaft, especially a kind of output shaft dicyclo positioning fixture.
Background technology
Output shaft is the key components and parts of automobile, the length of output shaft reaches more than 500 millimeters, position accuracy demand is high, work in-process is processed the vestibule on output shaft in the heart at present, conventionally adopt plain clamp vertical output shaft placement positioning, adopt vee-block excircle orientation, mode in conjunction with axial limiting is located, adopt pneumatic pinch, because the length of output shaft is long, its cylindrical is multidiameter neck, location, an axle journal place therein, repetitive positioning accuracy is not high, the axis of output shaft in the vertical direction deviation is large, machining accuracy is unstable, can not ensure position accuracy demand.
Summary of the invention
In order to improve the machining accuracy of output shaft, ensure the reliable location of output shaft, increase work efficiency, the present invention proposes a kind of output shaft dicyclo positioning fixture.
For this reason, technical scheme of the present invention is: a kind of output shaft dicyclo positioning fixture, comprise chuck body, chuck body has lower installation board, upper mounting plate, upper mounting plate, it between lower installation board, is cavity, the center of upper mounting plate is that sky is begun to speak, it is characterized in that: on lower installation board, be fixedly connected with lower hold-down ring assembly by screw, the structure of lower hold-down ring assembly is: above lower joint sleeve, have interior rockover rank spacing, the first elastic compression ring is installed in lower joint sleeve from top to bottom successively, the first adjustment ring, lower piston, the overhang table component level of lower piston is in the hydraulic cavities of lower joint sleeve, by the first cover plate shutoff,
On upper mounting plate, be fixedly connected with hold-down ring assembly by screw, the structure of upper hold-down ring assembly is: above upper joint sleeve, have interior rockover rank spacing, the second elastic compression ring, the second adjustment ring, upper piston are installed in upper joint sleeve from top to bottom successively, the overhang table component level of upper piston is in the hydraulic cavities of upper joint sleeve, by the second cover plate shutoff;
On described upper joint sleeve, by screw, multiple back-up blocks are installed, multiple back-up block circumference uniform distributions;
Be positioned at the peripheral position of upper joint sleeve, on upper mounting plate, be uniformly distributed along the circumference and be provided with three hydraulic strip clamps, the structure of described hydraulic strip clamp: chuck body is provided with holding tank, above holding tank, be fixed with installing plate, clamping cylinder is positioned at holding tank, clamping cylinder is upwards arranged on installing plate, the piston rod of clamping cylinder stretches out above installing plate, the medium position of pressing plate is hinged with a swing arm, the lower end of swing arm is hinged on again on installing plate by bearing, the head position of pressing plate is clamping point, the tail position of pressing plate and the piston rod of clamping cylinder are hinged,
Circumferential spacer pin mechanism is installed on upper mounting plate, output shaft is circumferentially located.
Further restriction to technique scheme: the structure of described circumferential spacer pin mechanism: be fixed with guide holder on upper mounting plate, spacer pin and guide holder are slidably matched, the rear end of guide holder is fixed with cover plate, a screw rod is threaded with the centre bore of cover plate, the head of screw rod is connected with spacer pin, the afterbody of screw rod is provided with handle, between spacer pin and cover plate, is provided with back-moving spring.
Further restriction to technique scheme: the first adjustment ring and the second elastic compression ring are to adopt the spring steel that the trade mark is 65Mn to support.
Further improvement to technique scheme: the bottom at lower installation board is upwards provided with unloading fuel tank, a discharging jacking block is fixedly connected with the piston rod of unloading fuel tank.
Further improvement to technique scheme: be provided with two fixture pre-adjustment mechanisms on upper mounting plate, two fixture pre-adjustment mechanisms are 90o along circumference and arrange, in the time of assembling and adjustment fixture, is convenient to adjust center like this; The structure of fixture pre-adjustment mechanism: be fixed with thread support on upper mounting plate, adjusting lever has been threaded on thread support.
Beneficial effect: the upper and lower hold-down ring of employing of the present invention innovation clamps output shaft, realizes output shaft self-centering location, ensures the perpendicularity of output shaft, then by back-up block axial limiting, circumferentially the accurate location of Reliable guarantee output shaft is circumferentially located by spacer pin mechanism; Adopt hydraulic strip clamp, thrust is reliable, thrust substantially constant is constant; Adopt unloading fuel tank quickly discharging material, laborsaving saving time.
Brief description of the drawings
Fig. 1 is front view of the present invention (full sectional view).
Fig. 2 is top view of the present invention.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, further describe the present invention as follows: a kind of output shaft dicyclo positioning fixture, comprise chuck body 1, chuck body 1 has lower installation board 1a, upper mounting plate 1b, upper mounting plate 1b, between lower installation board 1a, it is cavity, upper mounting plate 1b center is that sky is begun to speak, on lower installation board, be fixedly connected with lower hold-down ring assembly by screw, the structure of lower hold-down ring assembly is: lower joint sleeve 19 has interior rockover rank spacing above, the first elastic compression ring 18 is installed in lower joint sleeve from top to bottom successively, the first adjustment ring 24, lower piston 20, the overhang table component level of lower piston 20 is in the hydraulic cavities of lower joint sleeve 19, by the first cover plate 21 shutoff,
On upper mounting plate, be fixedly connected with hold-down ring assembly by screw, the structure of upper hold-down ring assembly is: upper joint sleeve 11 has interior rockover rank spacing above, the second elastic compression ring 12, the second adjustment ring 13, upper piston 14 are installed in upper joint sleeve from top to bottom successively, the overhang table component level of upper piston 14 is in the hydraulic cavities of upper joint sleeve 11, by the second cover plate 15 shutoff;
On described upper joint sleeve, by screw, multiple back-up blocks 10 are installed, multiple back-up block 10 circumference uniform distributions;
Be positioned at the peripheral position of upper joint sleeve, on upper mounting plate, be uniformly distributed along the circumference and be provided with three hydraulic strip clamps, the structure of described hydraulic strip clamp: chuck body 1 is provided with holding tank, above holding tank, be fixed with installing plate 3, clamping cylinder 2 is positioned at holding tank, clamping cylinder 2 is upwards arranged on installing plate 3, the piston rod of clamping cylinder stretches out above installing plate 3, the medium position (by the second hinge 7) of pressing plate 6 is hinged with a swing arm 8, the lower end of swing arm 8 is hinged on again on installing plate 3 by (by the 3rd hinge 4) bearing, the head position of pressing plate is clamping point, the tail position of pressing plate and the piston rod of clamping cylinder (by the first hinge 5) are hinged,
Circumferential spacer pin mechanism is installed on upper mounting plate, output shaft is circumferentially located.
As shown in Figure 2, the structure of described circumferential spacer pin mechanism: be fixed with guide holder 25 on upper mounting plate, a spacer pin 28 is slidably matched with guide holder 25, the rear end of guide holder is fixed with cover plate 29, a screw rod 27 is threaded with the centre bore of cover plate 29, the head of screw rod 27 is connected with spacer pin 28, and the afterbody of screw rod is provided with handle 30, between spacer pin 28 and cover plate 29, is provided with back-moving spring 26.Shown in circumferentially spacer pin mechanism be not limited to structure shown in Fig. 2, also can adopt other structure, can reach circumferential spacing object just.
As shown in Figure 1, the first adjustment ring 18 and the second elastic compression ring 12 are to adopt the spring steel that the trade mark is 65Mn to make; The surface of Shi Xiang center, the upper and lower end face indent of the first adjustment ring 18 and the second elastic compression ring 12, in the time applying power from bottom to top, endoporus can shrink, to compress the cylindrical of power transmission shaft.
As shown in Figure 1, the present invention can upwards be provided with in the bottom of lower installation board 22, one discharging jacking blocks 23 of unloading fuel tank and be fixedly connected with the piston rod of unloading fuel tank 22, after machining, conveniently power transmission shaft is ejected.
As shown in Figure 1 and Figure 2, be provided with two fixture pre-adjustment mechanisms on upper mounting plate, two fixture pre-adjustment mechanisms are 90o along circumference and arrange, in the time of assembling and adjustment fixture, are convenient to adjust center like this; The structure of fixture pre-adjustment mechanism: be fixed with thread support 17 on upper mounting plate, adjusting lever 16 has been threaded on thread support 17.
Use principle of the present invention: put into from top to bottom power transmission shaft, supported of power transmission shaft 10 is axial, starts upper and lower hold-down ring assembly simultaneously, power transmission shaft self-centering location, then starts hydraulic strip clamp and compresses, and can process.

Claims (7)

1. an output shaft dicyclo positioning fixture, comprise chuck body, chuck body has lower installation board, upper mounting plate, upper mounting plate, it between lower installation board, is cavity, the center of upper mounting plate is that sky is begun to speak, it is characterized in that: on lower installation board, be fixedly connected with lower hold-down ring assembly by screw, the structure of lower hold-down ring assembly is: above lower joint sleeve, have interior rockover rank spacing, the first elastic compression ring is installed in lower joint sleeve from top to bottom successively, the first adjustment ring, lower piston, the overhang table component level of lower piston is in the hydraulic cavities of lower joint sleeve, by the first cover plate shutoff,
On upper mounting plate, be fixedly connected with hold-down ring assembly by screw, the structure of upper hold-down ring assembly is: above upper joint sleeve, have interior rockover rank spacing, the second elastic compression ring, the second adjustment ring, upper piston are installed in upper joint sleeve from top to bottom successively, the overhang table component level of upper piston is in the hydraulic cavities of upper joint sleeve, by the second cover plate shutoff;
On described upper joint sleeve, by screw, multiple back-up blocks are installed, multiple back-up block circumference uniform distributions;
Be positioned at the peripheral position of upper joint sleeve, on upper mounting plate, be uniformly distributed along the circumference and be provided with three hydraulic strip clamps, the structure of described hydraulic strip clamp: chuck body is provided with holding tank, above holding tank, be fixed with installing plate, clamping cylinder is positioned at holding tank, clamping cylinder is upwards arranged on installing plate, the piston rod of clamping cylinder stretches out above installing plate, the medium position of pressing plate is hinged with a swing arm, the lower end of swing arm is hinged on again on installing plate by bearing, the head position of pressing plate is clamping point, the tail position of pressing plate and the piston rod of clamping cylinder are hinged,
Circumferential spacer pin mechanism is installed on upper mounting plate, output shaft is circumferentially located.
2. a kind of output shaft dicyclo positioning fixture according to claim 1, it is characterized in that the structure of circumferential spacer pin mechanism: on upper mounting plate, be fixed with guide holder, spacer pin and guide holder are slidably matched, the rear end of guide holder is fixed with cover plate, a screw rod is threaded with the centre bore of cover plate, the head of screw rod is connected with spacer pin, and the afterbody of screw rod is provided with handle, between spacer pin and cover plate, is provided with back-moving spring.
3. according to a kind of output shaft dicyclo positioning fixture described in claim 1 or 2, it is characterized in that: the first adjustment ring and the second elastic compression ring are to adopt the spring steel that the trade mark is 65Mn to support.
4. according to a kind of output shaft dicyclo positioning fixture described in claim 1 or 2, it is characterized in that: the bottom at lower installation board is upwards provided with unloading fuel tank, a discharging jacking block is fixedly connected with the piston rod of unloading fuel tank.
5. a kind of output shaft dicyclo positioning fixture according to claim 3, is characterized in that: the bottom at lower installation board is upwards provided with unloading fuel tank, a discharging jacking block is fixedly connected with the piston rod of unloading fuel tank.
6. according to a kind of output shaft dicyclo positioning fixture described in claim 1 or 2, it is characterized in that: on upper mounting plate, be provided with two fixture pre-adjustment mechanisms, two fixture pre-adjustment mechanisms are 90o along circumference and arrange, in the time of assembling and adjustment fixture, are convenient to adjust center like this; The structure of fixture pre-adjustment mechanism: be fixed with thread support on upper mounting plate, adjusting lever has been threaded on thread support.
7. a kind of output shaft dicyclo positioning fixture according to claim 5, it is characterized in that: on upper mounting plate, be provided with two fixture pre-adjustment mechanisms, two fixture pre-adjustment mechanisms are 90o along circumference and arrange, in the time of assembling and adjustment fixture, are convenient to adjust center like this; The structure of fixture pre-adjustment mechanism: be fixed with thread support on upper mounting plate, adjusting lever has been threaded on thread support.
CN201410282227.XA 2014-06-23 2014-06-23 Dual-ring positioning clamp for output shaft Pending CN104084811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410282227.XA CN104084811A (en) 2014-06-23 2014-06-23 Dual-ring positioning clamp for output shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410282227.XA CN104084811A (en) 2014-06-23 2014-06-23 Dual-ring positioning clamp for output shaft

Publications (1)

Publication Number Publication Date
CN104084811A true CN104084811A (en) 2014-10-08

Family

ID=51632628

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410282227.XA Pending CN104084811A (en) 2014-06-23 2014-06-23 Dual-ring positioning clamp for output shaft

Country Status (1)

Country Link
CN (1) CN104084811A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385005A (en) * 2014-10-20 2015-03-04 芜湖市泰能电热器具有限公司 Clamping device for processing of casing
CN105881061A (en) * 2014-12-26 2016-08-24 浙江汇鑫传动机械有限公司 Cycloid output shaft unitized machining fixture
CN112894542A (en) * 2021-01-19 2021-06-04 宁波跨马卡车部件有限公司 Production equipment and production method of truck brake pad
CN113021038A (en) * 2021-03-29 2021-06-25 宜昌长机科技有限责任公司 Multi-station tooth-making clamp and clamping method for cutter used in sugar industry

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104385005A (en) * 2014-10-20 2015-03-04 芜湖市泰能电热器具有限公司 Clamping device for processing of casing
CN104385005B (en) * 2014-10-20 2017-01-11 长泰朗德机械设备有限公司 Clamping device for processing of casing
CN105881061A (en) * 2014-12-26 2016-08-24 浙江汇鑫传动机械有限公司 Cycloid output shaft unitized machining fixture
CN112894542A (en) * 2021-01-19 2021-06-04 宁波跨马卡车部件有限公司 Production equipment and production method of truck brake pad
CN113021038A (en) * 2021-03-29 2021-06-25 宜昌长机科技有限责任公司 Multi-station tooth-making clamp and clamping method for cutter used in sugar industry

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Legal Events

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PB01 Publication
C06 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141008

WD01 Invention patent application deemed withdrawn after publication