CN113829100A - High-precision outer diameter positioning clamp and feeding and discharging method thereof - Google Patents

High-precision outer diameter positioning clamp and feeding and discharging method thereof Download PDF

Info

Publication number
CN113829100A
CN113829100A CN202111234642.4A CN202111234642A CN113829100A CN 113829100 A CN113829100 A CN 113829100A CN 202111234642 A CN202111234642 A CN 202111234642A CN 113829100 A CN113829100 A CN 113829100A
Authority
CN
China
Prior art keywords
transition
pressing block
transition plate
plate
upper pressing
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.)
Granted
Application number
CN202111234642.4A
Other languages
Chinese (zh)
Other versions
CN113829100B (en
Inventor
张兆祥
郭祥龙
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.)
Nanjing Kangni Precision Mechanics Co ltd
Original Assignee
Nanjing Kangni Precision Mechanics 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 Nanjing Kangni Precision Mechanics Co ltd filed Critical Nanjing Kangni Precision Mechanics Co ltd
Priority to CN202111234642.4A priority Critical patent/CN113829100B/en
Publication of CN113829100A publication Critical patent/CN113829100A/en
Application granted granted Critical
Publication of CN113829100B publication Critical patent/CN113829100B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • B23Q3/08Work-clamping means other than mechanically-actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a high-precision outer diameter positioning fixture and a loading and unloading method thereof, wherein the fixture comprises a supporting plate and a base which are arranged up and down, a supporting seat and a movable spacer bush are arranged in a central hole of the base, an upper pressing block is arranged on the supporting plate and used for limiting the top of a part on the supporting seat, the movable spacer bush is sleeved between the supporting seat and the base and is in rolling connection with the base through a ball bush, a positioning spring is arranged at the bottom of the movable spacer bush, and the inner wall of the upper side of the movable spacer bush is a conical surface which contracts downwards and is used for positioning and clamping the outer side surface of the part under the action of the positioning spring. The invention realizes the circumferential zero-clearance positioning and clamping of the part by utilizing the ball sleeve and the taper spacer bush, ensures that the part is clamped, automatically searches the center, can reduce the circumferential clamping deformation of the part to the maximum extent, and is suitable for the precision machining of the part with high concentricity requirement.

Description

High-precision outer diameter positioning clamp and feeding and discharging method thereof
Technical Field
The invention relates to a high-precision outer diameter positioning clamp and a feeding and discharging method thereof, and belongs to the technical field of high-precision clamps.
Background
For the clamp for positioning and processing the inner hole by the outer diameter, the following forms exist at present: 1. the manual clamp needs manual clamping and pressing, cannot ensure the consistency of clamping each time, cannot ensure the processing quality of products, and is easy to cause misoperation in mass production; 2. pneumatic and hydraulically operated fixture, pneumatic and hydraulically operated fixture that uses at present are three-jaw structure basically, and this kind of structure positioning accuracy is not high, and the part is easy to press from both sides the deformation, and the condition of drunkenness about probably appearing in the course of working, consequently is not suitable for the part that machining precision required is high, in addition when atmospheric pressure or hydraulic pressure were disconnected, anchor clamps can loosen, have the potential safety hazard.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the technical problems of the existing clamp, the invention provides a high-precision outer diameter positioning clamp and a feeding and discharging method thereof.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a high-precision outer diameter positioning fixture which comprises a supporting plate and a base which are arranged up and down, wherein a supporting seat and a movable spacer bush are arranged in a central hole of the base, an upper pressing block is arranged on the supporting plate and used for limiting the top of a part on the supporting seat, the movable spacer bush is sleeved between the supporting seat and the base and is in rolling connection with the base through a ball bush, a positioning spring is arranged at the bottom of the movable spacer bush, and the inner wall of the upper side of the movable spacer bush is a conical surface which contracts downwards and is used for positioning and clamping the outer side surface of the part (which is in line contact with the part) under the action of the positioning spring.
Furthermore, the movable spacer is connected with a screw rod, the base is provided with a long groove for the screw rod to pass through, the support plate is provided with a transition plate in sliding connection, the transition plate is connected with a lower pressing block, and the transition plate is pushed to drive the lower pressing block to press the screw rod downwards, so that the clamping limit of the movable spacer on the part is relieved.
Furthermore, the screw is provided with a bearing, so that the sliding friction force of the lower pressing block can be effectively reduced; the bottom of the lower pressing block is provided with a transition inclined plane, so that the screw can be gradually pressed down conveniently.
Furthermore, the upper pressing block is connected with the supporting plate in a sliding mode, a return spring is connected between the upper pressing block and the supporting plate, a shifting rod is arranged on the supporting plate, the upper end of the shifting rod is connected with the upper pressing block, the middle of the shifting rod is hinged to the supporting plate, the lower end of the shifting rod is pushed through the transition plate to drive the upper pressing block to retreat, and therefore top limit of the part is relieved.
Furthermore, the top of the inner end of the upper pressing block is an oblique plane, the cylindrical pin is arranged on the supporting plate, and the sliding limit of the upper pressing block is realized through the matching of the oblique plane and the cylindrical pin.
Furthermore, a transition pin penetrates through the supporting plate, and a disc spring is arranged between the transition pin and the supporting plate and used for driving the transition pin to abut against the outer end of the upper pressing block, so that the inner end of the upper pressing block presses parts on the supporting seat.
Furthermore, a sliding groove for the transition pin to pass through is formed in the transition plate, a limiting shaft is connected to the bottom of the transition pin and used for achieving sliding connection of the transition plate and the supporting plate, the bottom of the transition plate is step-shaped, and the transition plate is pushed to drive the transition pin to press downwards, so that the pressing and limiting of the upper pressing block on the part are relieved.
Furthermore, a bearing is sleeved on the limiting shaft, so that the sliding friction force of the transition plate is overcome in a rolling mode; the step surfaces at the bottom of the transition plate are in slope transition, so that transition between steps is convenient to realize.
The invention provides a blanking method based on the high-precision outer diameter positioning clamp, which comprises the following steps:
p1: the transition plate is pushed to move forwards, the transition pin is driven to move downwards through the step transition at the bottom of the transition plate, and the pressing force of the upper pressing block on the part is released while the disc spring is compressed;
p2: continuously pushing the transition plate to move forwards, and pressing the screw rod downwards through the lower pressing block, so that the movable spacer bush is driven to move downwards, and the clamping limit of the movable spacer bush on the part is relieved;
p3: the transition plate is continuously pushed to move forwards, the shift lever is pushed to rotate by the transition plate, the shift lever drives the upper pressing block to move backwards, the top limit of the part is removed, and the part is taken out.
The invention also provides a feeding method based on the high-precision outer diameter positioning clamp, which comprises the following steps:
s1: the part is placed on the supporting seat, the transition plate retreats to release the deflector rod, so that the upper pressing block slides forwards under the action of the reset spring to abut against the cylindrical pin, and the top limit of the part is realized;
s2: the transition plate continues to retreat, and the lower pressing block loosens the screw rod, so that the movable spacer sleeve moves upwards under the action of the positioning spring, and the outer side surface of the part is clamped;
s3: the transition plate continuously retreats, the downward pressing of the transition pin is relieved through the step transition at the bottom of the transition plate, so that the transition pin props against the outer end of the upper pressing block under the action of the disc spring, and the upper pressing block is driven to press the part on the supporting seat.
Has the advantages that: compared with the prior art, the high-precision outer diameter positioning clamp and the feeding and discharging method thereof provided by the invention have the following advantages:
1. the automation degree is high. The automatic feeding and discharging device can be matched with a mechanical arm to realize automatic feeding and discharging of parts, solves trivial manual operation, saves a large amount of human and material cost, and improves the production efficiency of products.
2. The positioning precision is high. The taper movable spacer bush moves up and down in the base through the dense bead bush, so that the center of the part can be found at every time, the circumferential clamping deformation of the part is reduced to the maximum extent, the taper movable spacer bush is suitable for precision machining of parts with high concentricity requirements, the concentricity error can be guaranteed within 0.005mm, the machining precision of the precision part is effectively guaranteed, and the machining error is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a sectional view of a movable spacer according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a transition plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a limiting shaft according to an embodiment of the present disclosure;
the reference numerals in the figures include: 1. the device comprises a supporting plate, 2, a transition pin, 3, a deflector rod, 4, a transition plate, 5, a pushing block, 6, a cylinder, 7, a limiting shaft, 8, a lower pressing block, 9, a screw rod, 10, a base, 11, a supporting seat, 12, a movable spacer bush, 13, a part, 14, an upper pressing block, 15, a transition block, 16, a needle bearing, 17, a ball sleeve, 18, a positioning spring, 19, a disc spring, 20, a return spring, 21 and a cylindrical pin.
Detailed Description
The following description of the preferred embodiments of the present invention with reference to the accompanying drawings will more clearly and completely illustrate the technical solutions of the present invention.
As shown in fig. 1, a high-precision outer diameter positioning fixture comprises a supporting plate 1 and a base 10 which are installed up and down, wherein upper pressing blocks 14 which are symmetrically arranged are arranged on the supporting plate 1 and used for realizing top limiting and axial pressing of a part 13, a supporting seat 11 and a movable spacer bush 12 are arranged in a central hole of the base 10, the movable spacer bush 12 is sleeved between the supporting seat 11 and the base 10, the movable spacer bush 12 and the base 10 are in rolling connection through a plurality of ball sleeves 17, and a positioning spring 18 is arranged at the bottom of the movable spacer bush 12.
As shown in fig. 2, the center of the movable spacer 12 is in a taper form and is divided into an upper part and a lower part: the upper inner wall is a downward-contracting conical surface for positioning and clamping the outer side surface of the part 13 (forming line contact with the part) under the action of the positioning spring 18, and the lower inner wall is a downward-expanding conical surface (facilitating drainage).
In this embodiment, two sides of the movable spacer 12 are connected with screws 9, a U-shaped long groove through which the screw 9 passes is formed in the base 10, the support plate 1 is provided with a transition plate 4 in sliding connection, the transition plate 4 is connected with a lower pressing block 8, and the lower pressing block 8 is driven to press down the screw 9 by pushing the transition plate 4 to move forward, so that the clamping limit of the movable spacer 12 on the part 13 is released.
Furthermore, a needle bearing 16 is arranged on the screw 9, so that the sliding friction force of the lower pressing block 8 can be effectively reduced; the bottom of the lower pressing block 8 is provided with a transition inclined plane, so that the screw rod 9 is gradually pressed down conveniently.
In this embodiment, the upper pressing block 14 is slidably connected to the supporting plate 1, the transition block 15 is connected to the upper pressing block 14, the return spring 20 is connected between the transition block 15 and the supporting plate 1, the shift lever 3 is disposed on the supporting plate 1, the upper end of the shift lever 3 is connected to the transition block 15, the middle portion of the shift lever is hinged to the supporting plate 1, and the lower end of the shift lever 3 is pushed by the transition plate 4 to drive the transition block 15 and the upper pressing block 14 to retreat, so that the top limit of the part 13 is removed.
Furthermore, the top of the inner end of the upper pressing block 14 is an oblique plane, the supporting plate 1 is provided with a cylindrical pin 21, and the sliding limit of the upper pressing block 14 is realized through the matching of the oblique plane and the cylindrical pin 21; the support plate 1 is provided with a transition pin 2 in a penetrating manner, and a disc spring 19 is arranged between the transition pin 2 and the support plate 1 and used for driving the transition pin 2 to prop against the outer end of the upper pressing block 14 so that the inner end of the upper pressing block 14 compresses the part 13 on the support seat 11.
In the embodiment, a sliding groove for the transition pin 2 to pass through is formed in the transition plate 4, and the bottom of the transition pin 2 is connected with a limiting shaft 7 for realizing the sliding connection between the transition plate 4 and the support plate 1; as shown in fig. 3, the bottom of the transition plate 4 is stepped, and the transition plate 4 is pushed to move forward to drive the transition pin 2 to press down, so that the pressing limit of the upper pressing block 14 on the part 13 is released.
As shown in fig. 4, a needle bearing 16 is sleeved on the limit shaft 7, so that the sliding friction force of the transition plate 4 is overcome in a rolling manner; the step surfaces at the bottom of the transition plate 4 are in slope transition, so that transition between steps is convenient to realize.
Furthermore, a pushing block 5 is connected to the transition plate 4 and is in driving connection with a piston rod of the air cylinder 6, and the transition plate 4 is pushed to move forwards when the air cylinder 6 admits air, so that the blanking process is realized; when the air cylinder 6 is deflated, the transition plate 4 is driven to retreat, and the feeding process is realized. Therefore, when parts are machined, the air cylinder 6 is in a reset state, the part clamping is not pushed, the clamping state cannot be influenced even if the air is cut off suddenly, and potential safety hazards are solved.
The following provides a blanking method based on the high-precision outer diameter positioning clamp, which comprises the following steps:
p1 — release of the compressive force: the air cylinder 6 pushes the transition plate 4 to move forwards, the limiting shaft 7 is transited to a low step from a slope, the transition pin 2 is driven to move downwards, the pressing force on the upper pressing block 14 disappears while the disc spring 19 presses downwards, at the moment, no pressing force exists on the part 13, and the lower pressing block 8 just contacts with the bearing on the screw rod 9;
p2 — loosening clamping force: the air cylinder 6 continues to push the transition plate 4 to move forwards, the lower pressing block 8 presses down the bearing on the screw rod 9 to drive the screw rod 9 and the movable spacer 12 to move downwards, no clamping force is applied to the part 13 at the moment, the bearing on the screw rod 9 just moves to a plane position, and the transition plate 4 just contacts the deflector rod 3;
p3 — upper press block 14 retreating: the air cylinder 6 continues to push the transition plate 4 to move forwards, the transition plate 4 pushes the shift lever 3 to rotate, the shift lever 3 drives the transition block 15 and the upper pressing block 14 to move backwards, and at the moment, the part 13 is completely released, so that the part 13 can be taken out.
The feeding method based on the high-precision outer diameter positioning clamp comprises the following steps:
s1- -resetting of the upper press block 14: the part 13 is placed on the supporting seat 11, the air cylinder 6 drives the transition plate 4 to contract backwards, so that the upper pressing block 14 slides forwards to reset under the action of the reset spring 20, but no pressing force is applied to the part 13, and at the moment, the bearing on the screw 9 just moves to the inclined plane position;
s2 — clamping part: the air cylinder 6 continues to drive the transition plate 4 to contract backwards, so that the movable spacer bush 12 moves upwards under the action of the positioning spring 18, the part 13 is clamped and automatic centering is realized, and the limiting shaft 7 just moves to a slope position at the moment;
s3- -pressing part: the air cylinder 6 continues to drive the transition plate 4 to contract backwards, the limiting shaft 7 is transited to a high step from a slope, the transition pin 2 is enabled to prop against the outer end of the upper pressing block 14 under the action of the disc spring 19, so that the inner end of the upper pressing block 14 is enabled to press the part 13 on the supporting seat 11, and the pressing force can be adjusted through the disc springs 19 of different specifications.
The method ensures that the clamp can find the positive center of the part and can not separate the part from the reference surface through three continuous steps, improves the processing precision of the part and reduces errors. The invention is suitable for parts with high requirement on machining precision, has small clamping and compressing deformation, and can not move up and down during machining. The structure has high rigidity and hardness, convenient clamping and high safety, and is suitable for parts with inner holes positioned and processed by outer diameters.
The above detailed description merely describes preferred embodiments of the present invention and does not limit the scope of the invention. Without departing from the spirit and scope of the present invention, it should be understood that various changes, substitutions and alterations can be made herein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a high accuracy external diameter positioning fixture, its characterized in that, backup pad (1), base (10) including installing from top to bottom, be equipped with supporting seat (11), activity spacer (12) in the centre bore of base (10), be equipped with briquetting (14) on backup pad (1) for it is spacing to realize the top of part (13) on supporting seat (11), activity spacer (12) cup joint between supporting seat (11) and base (10), through ball cover (17) roll connection between activity spacer (12) and base (10), the bottom of activity spacer (12) is equipped with positioning spring (18), and its upper side inner wall is the conical surface of shrink downwards, is used for fixing a position and the lateral surface of clamp part (13) under positioning spring (18)'s effect.
2. The high-precision outer diameter positioning fixture is characterized in that a screw rod (9) is connected to the movable spacer bush (12), a long groove for the screw rod (9) to penetrate through is formed in the base (10), a transition plate (4) in sliding connection is arranged on the supporting plate (1), a lower pressing block (8) is connected to the transition plate (4), and the transition plate (4) is pushed to drive the lower pressing block (8) to press the screw rod (9) downwards, so that the clamping limit of the movable spacer bush (12) on the part (13) is relieved.
3. A high-precision outer diameter positioning clamp as claimed in claim 2, wherein the screw (9) is provided with a bearing, and the bottom of the lower pressing block (8) is provided with a transition inclined surface.
4. The high-precision outer diameter positioning fixture is characterized in that the upper pressing block (14) is connected with the support plate (1) in a sliding mode, a return spring (20) is connected between the upper pressing block and the support plate, the support plate (1) is provided with a shifting rod (3), the upper end of the shifting rod (3) is connected with the upper pressing block (14), the middle portion of the shifting rod (3) is hinged to the support plate (1), and the lower end of the shifting rod (3) is pushed through the transition plate (4) to drive the upper pressing block (14) to retreat, so that top limit of the part (13) is relieved.
5. A high-precision outer diameter positioning clamp according to claim 4, characterized in that the top of the inner end of the upper pressing block (14) is a chamfered surface, the supporting plate (1) is provided with a cylindrical pin (21), and the sliding limit of the upper pressing block (14) is realized through the cooperation of the chamfered surface and the cylindrical pin (21).
6. A high-precision outer diameter positioning clamp according to claim 5, characterized in that a transition pin (2) is arranged on the support plate (1) in a penetrating manner, and a disc spring (19) is arranged between the transition pin (2) and the support plate (1) and used for driving the transition pin (2) to abut against the outer end of the upper pressing block (14) so as to enable the inner end of the upper pressing block (14) to press the part (13).
7. The high-precision outer diameter positioning clamp according to claim 6, characterized in that a sliding groove for the transition plate (4) to pass through is formed in the transition plate (4), a limiting shaft (7) is arranged at the bottom of the transition plate (2) and used for achieving sliding connection of the transition plate (4) and the support plate (1), the bottom of the transition plate (4) is step-shaped, and the transition plate (4) is pushed to drive the transition plate (2) to press downwards, so that the pressing limit of the upper pressing block (14) on the part (13) is released.
8. The high-precision outer diameter positioning clamp according to claim 7, wherein a bearing is sleeved on the limiting shaft (7), and a step surface at the bottom of the transition plate (4) is in transition through a slope.
9. The blanking method based on the high-precision outer diameter positioning clamp of claim 7 is characterized by comprising the following steps:
p1: the transition plate (4) is pushed to move forwards, the transition pin (2) is driven to move downwards through the step transition at the bottom of the transition plate (4), and the pressing force of the upper pressing block (14) on the part (13) is released while the disc spring (19) is compressed;
p2: the transition plate (4) is continuously pushed to move forwards, the screw (9) is pressed downwards through the pressing block (8), so that the movable spacer bush (12) is driven to move downwards, and the clamping limit of the movable spacer bush (12) to the part (13) is released;
p3: the transition plate (4) is continuously pushed to move forwards, the shifting rod (3) is pushed to rotate by the transition plate (4), the shifting rod (3) drives the upper pressing block (14) to move backwards, the top limit of the part (13) is released, and the part (13) is taken out afterwards.
10. A feeding method based on the high-precision outer diameter positioning clamp of claim 7 is characterized by comprising the following steps:
s1: the part is placed on the supporting seat (11), the transition plate (4) retreats to release the shift lever (3), so that the upper pressing block (14) slides forwards under the action of the return spring (20) to prop against the cylindrical pin (21), and the top limit of the part (13) is realized;
s2: the transition plate (4) continuously retreats, and the lower pressing block (8) loosens the screw (9) so that the movable spacer bush (12) moves upwards under the action of the positioning spring (18) to clamp the outer side surface of the part (13);
s3: the transition plate (4) continuously retreats, the downward pressing of the transition pin (2) is relieved through the step transition at the bottom of the transition plate (4), so that the transition pin (2) is propped against the outer end of the upper pressing block (14) under the action of the disc spring (19), and the upper pressing block (14) is driven to press the part (13).
CN202111234642.4A 2021-10-22 2021-10-22 High-precision outer diameter positioning clamp and feeding and discharging method thereof Active CN113829100B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111234642.4A CN113829100B (en) 2021-10-22 2021-10-22 High-precision outer diameter positioning clamp and feeding and discharging method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111234642.4A CN113829100B (en) 2021-10-22 2021-10-22 High-precision outer diameter positioning clamp and feeding and discharging method thereof

Publications (2)

Publication Number Publication Date
CN113829100A true CN113829100A (en) 2021-12-24
CN113829100B CN113829100B (en) 2024-03-22

Family

ID=78965966

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111234642.4A Active CN113829100B (en) 2021-10-22 2021-10-22 High-precision outer diameter positioning clamp and feeding and discharging method thereof

Country Status (1)

Country Link
CN (1) CN113829100B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202684568U (en) * 2012-07-25 2013-01-23 重庆大江美利信压铸有限责任公司 Integrated high-accuracy positioning and clamping fixture
CN203900960U (en) * 2014-05-15 2014-10-29 鹰普(中国)有限公司 Pneumatic hinge clamping tool
CN105364579A (en) * 2015-12-07 2016-03-02 吴中区光福华宇钣金厂 Pneumatic fixing clamp
CN205765727U (en) * 2016-05-19 2016-12-07 常州市金海基机械制造有限公司 A kind of machine components automatic fixer
CN205765054U (en) * 2016-05-31 2016-12-07 上海微电子装备有限公司 A kind of locating clip clamper for plate type part
CN206366655U (en) * 2016-12-14 2017-08-01 南京数控机床有限公司 A kind of axial workpiece clamping device
CN206702827U (en) * 2017-02-17 2017-12-05 郴州市恒通模具科技有限公司 A kind of fixture for being used to clamp precision component processing

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202684568U (en) * 2012-07-25 2013-01-23 重庆大江美利信压铸有限责任公司 Integrated high-accuracy positioning and clamping fixture
CN203900960U (en) * 2014-05-15 2014-10-29 鹰普(中国)有限公司 Pneumatic hinge clamping tool
CN105364579A (en) * 2015-12-07 2016-03-02 吴中区光福华宇钣金厂 Pneumatic fixing clamp
CN205765727U (en) * 2016-05-19 2016-12-07 常州市金海基机械制造有限公司 A kind of machine components automatic fixer
CN205765054U (en) * 2016-05-31 2016-12-07 上海微电子装备有限公司 A kind of locating clip clamper for plate type part
CN206366655U (en) * 2016-12-14 2017-08-01 南京数控机床有限公司 A kind of axial workpiece clamping device
CN206702827U (en) * 2017-02-17 2017-12-05 郴州市恒通模具科技有限公司 A kind of fixture for being used to clamp precision component processing

Also Published As

Publication number Publication date
CN113829100B (en) 2024-03-22

Similar Documents

Publication Publication Date Title
CN110385154B (en) Pipetting device, pipette tip coupler and pipette tip: apparatus and method
US20020152789A1 (en) Press apparatus
CN108857338B (en) ABS solenoid valve body retaining ring pressure equipment device
CN109366355B (en) Automatic bar clamping chuck device and clamping method thereof
CN216398855U (en) Hydraulic energy storage pneumatic quick-change clamp
CN113829100A (en) High-precision outer diameter positioning clamp and feeding and discharging method thereof
CN112476282A (en) Internal pressing device
CN213258020U (en) Bush press fitting clamp with error proofing function
CN211959690U (en) Drill point supporting mechanism
CN103737372B (en) Expansion sleeve linkage compression mechanism
CN211489200U (en) High-strength arc split type support for agricultural machinery and machining device
CN210255140U (en) Positioning element of hydraulic structure
CN216802518U (en) Quick positioning and clamping device for multiple boss parts of long hole shaft
CN211680072U (en) Workpiece positioning and pressing device
CN206982184U (en) A kind of lathe automatic clamping device
CN113319201A (en) Thrust bearing flanging gasket lock pressing opening die
CN215588058U (en) Internal expanding gear clamp
CN104493308A (en) Efficient hobbing clamp for small inner hole gears
CN214814946U (en) Double-station engine connecting rod fixing clamp
CN218698356U (en) Roller press-fitting device for cylindrical roller bearing
CN219336709U (en) Rear axle bushing extrusion equipment
CN220719189U (en) Roller thrust block crimping device
CN218427081U (en) Gas-liquid linkage five-axis machining center clamp
CN219818839U (en) Floating support stable compression structure for strong spring compression
CN219705001U (en) Quick take-out device for vehicle steering gear shell bearing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant