CN107671576A - A kind of single positioning boring machine square products positioner - Google Patents
A kind of single positioning boring machine square products positioner Download PDFInfo
- Publication number
- CN107671576A CN107671576A CN201710935398.1A CN201710935398A CN107671576A CN 107671576 A CN107671576 A CN 107671576A CN 201710935398 A CN201710935398 A CN 201710935398A CN 107671576 A CN107671576 A CN 107671576A
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- China
- Prior art keywords
- depression bar
- firm banking
- hydraulic cylinder
- clamping
- longitudinal
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of single positioning boring machine square products positioner, including firm banking, controller, horizontal clamping motor, longitudinal clamping motor, firm banking side upper end to be provided with the controller；Firm banking upper end side is provided with the first compression hydraulic cylinder, and firm banking upper end opposite side is provided with the second compression hydraulic cylinder；Firm banking upper end side on both sides of the middle is provided with the horizontal clamping motor, and the horizontal clamping motor shaft end is provided with horizontal clamping plate；On front side of the firm banking upper center and rear side is provided with longitudinal clamping motor, and longitudinal clamping motor shaft end is provided with longitudinal clamping plate.Beneficial effect is：The automated exchanged cutter of part can be realized, labor intensity is small, and clamping efficiency is high, while can detect clamping pressure, while ensureing that part clamps, prevents from that piece surface is caused to damage.
Description
Technical field
The present invention relates to boring machine servicing unit field, and in particular to a kind of single positioning boring machine square products positioner.
Background technology
Boring machine mainly carries out the lathe of boring with boring cutter to the existing pre-manufactured hole of workpiece.Generally, boring cutter rotates to be main motion,
The movement of boring cutter or workpiece is feed motion.It is mainly used in machining high-precision hole or one-time positioning completes the finishing in multiple holes
Work, it can additionally be engaged in the processing of other machined surfaces relevant with hole finishing.It can also be entered using different cutter and annex
Row drilling, milling, the machining accuracy of cutting and surface quality are higher than drilling machine.Boring machine is that the main of large-size box part processing is set
It is standby.Screw thread and processing excircles and end face etc..
For traditional boring machine when carrying out the processing of square box class part, clamping device is mostly manual clamping.
Applicants have discovered that technical problem in the prior art at least be present：When carrying out parts fixation, it is necessary to carry out
Manual clamping, clamping is bothersome laborious, while can not detect clamping pressure, the small clamping for being unfavorable for part of clamping pressure, clamping pressure
Power is excessive easily to be damaged to piece surface.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of single positioning boring machine and positioned with square products
Device, clamping is wasted time and energy to solve in the prior art, can not realize clamping pressure detecting, the technologies such as clamping effect is undesirable are asked
Topic.Preferable technical scheme can realize the automated exchanged cutter of part in many technical schemes provided by the invention, and labor intensity is small,
Clamping efficiency is high, while can detect clamping pressure, while ensureing that part clamps, prevents from causing piece surface the skills such as damage
Art effect, elaboration as detailed below.
To achieve the above object, the invention provides technical scheme once：
A kind of single positioning boring machine square products positioner provided by the invention, including firm banking, controller, transverse direction
Clamping motor, longitudinal clamping motor, the firm banking both sides are provided with fixed groove；Install firm banking side upper end
There is the controller；
Firm banking upper end side is provided with the first compression hydraulic cylinder, and firm banking upper end opposite side is provided with
Second compresses hydraulic cylinder, and the first compression hydraulic cylinder and the second compression hydraulic cylinder electrically connect with the controller；Institute
State the first compression hydraulic cylinder upper end and the first depression bar support base is installed, the first depression bar support base upper end is provided with vertical pressure
Bar, the vertical depression bar lower end are provided with vertical clamping pressure sensor, the vertical clamping pressure sensor and the control
Device electrically connects；The second compression hydraulic cylinder upper end is provided with the second depression bar support base, the second depression bar support base upper end peace
Depression bar is aided in equipped with rotation；
Firm banking upper end side on both sides of the middle is provided with the horizontal clamping motor, the horizontal clamping motor with
The controller electrical connection, the horizontal clamping motor shaft end are provided with horizontal clamping plate, the horizontal clamping plate side installation
There is horizontal clamping pressure sensor, the horizontal clamping pressure sensor electrically connects with the controller；On the firm banking
End middle part front side and rear side are provided with longitudinal clamping motor, and longitudinal clamping motor electrically connects with the controller, institute
State longitudinal clamping motor shaft end and longitudinal clamping plate is installed, longitudinal clamping plate side is provided with longitudinal clamping pressure sensing
Device, longitudinal clamping pressure sensor electrically connect with the controller.
Using a kind of above-mentioned single positioning boring machine square products positioner, pass through the anchor of the firm banking
Device is fixedly mounted on the workbench of boring machine by groove, and when carrying out clamping to part, parts to be processed is placed on into the fixation
Base upper center, the controller control the horizontal clamping motor and longitudinal clamping motor work, the laterally folder
Horizontal clamping plate described in tight motor driven is moved to horizontal clamping of the piece surface realization to part, and the horizontal clamping pressure passes
Sensor detects clamping pressure in clamping process, and detection signal is passed into the controller, when clamping pressure reaches default
During value, the controller controls the horizontal clamping motor to be stopped, and realizes the horizontal clamping of part, and the longitudinal direction clamps electricity
Machine drives longitudinal clamping plate to be moved to piece surface realization and the longitudinal direction of part is clamped, longitudinal clamping pressure sensor
Clamping pressure is detected in clamping process, and detection signal is passed into the controller, when clamping pressure reaches preset value,
The controller controls longitudinal clamping motor to be stopped, and realizes the longitudinal direction clamping of part, holds the vertical depression bar, make
The vertical depression bar is rotated to part upper surface in the first depression bar support base upper end, is held the rotation auxiliary depression bar, is made
The rotation auxiliary depression bar is rotated in the second depression bar support base upper end to the U-shaped inside grooves of the vertical depression bar end,
The controller control described first compresses hydraulic cylinder and described second and compresses hydraulic cylinder synchronous work, passes through the vertical depression bar
Carrying out the compression of vertical direction to part, the vertical clamping pressure sensor detects clamping pressure in real time, and by detection signal
The controller is passed to, when clamping pressure reaches preset value, the controller control described first compresses hydraulic cylinder and institute
To state the second compression hydraulic cylinder to be stopped, realize the compression in part numerical value direction, device can realize the automated exchanged cutter to part,
Clamping efficiency is high, while can be clamped the detection and control of pressure, prevents clamping from causing piece surface to damage.
Preferably, the fixed groove is molded over the firm banking both sides, the fixation by mach mode
Groove is U-type groove, and the fixed groove shares four, and symmetrical, and the controller is fixedly mounted on by electronics base
Firm banking side upper end.
Preferably, the first compression hydraulic cylinder is fixedly mounted on the firm banking upper end one by bolt base
Side, the first compression hydraulic cylinder share two, and symmetrical.
Preferably, the second compression hydraulic cylinder is fixedly mounted on the firm banking upper end one by bolt base
Side, the second compression hydraulic cylinder share two, and symmetrical.
Preferably, the first depression bar support base, which is mounted by means of bolts on described first, compresses hydraulic cylinder upper end,
The first depression bar support base section is fixedly mounted on first depression bar by rotating shaft and supported into convex, the vertical depression bar
Seat upper end, the vertical depression bar end set have U-shaped groove, and the vertical depression bar is extended on the second depression bar support base
Side, the vertical clamping pressure sensor are embedded in the vertical depression bar lower end.
Preferably, the second depression bar support base, which is mounted by means of bolts on described second, compresses hydraulic cylinder upper end,
The second depression bar support base section is fixedly mounted on second depression bar into concave character type, the rotation auxiliary depression bar by rotating shaft
Support base upper end, the rotation aid in depression bar section into T fonts.
Preferably, the horizontal clamping motor is fixedly mounted in the side of the firm banking upper end by bolt base
Portion both sides, the horizontal clamping motor share two, and symmetrical, and the horizontal clamping plate is mounted by means of bolts on institute
Horizontal clamping motor shaft end is stated, the horizontal clamping pressure sensor is embedded in the horizontal clamping plate side.
Preferably, before longitudinal clamping motor is fixedly mounted on the firm banking upper center by bolt base
Side and rear side, longitudinal clamping motor share two, and symmetrical, and longitudinal clamping plate is mounted by means of bolts on
Longitudinal clamping motor shaft end, longitudinal clamping pressure sensor are embedded in longitudinal clamping plate side.
Beneficial effect is：The automated exchanged cutter of part can be realized, labor intensity is small, and clamping efficiency is high, while can examine
Clamping pressure is surveyed, while ensureing that part clamps, prevents from that piece surface is caused to damage.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the schematic top plan view of the present invention；
Fig. 3 is the close-up schematic view of the present invention
Fig. 4 is the control system block diagram of the present invention.
Description of reference numerals is as follows：
1st, firm banking；2nd, first hydraulic cylinder is compressed；3rd, horizontal clamping motor；4th, horizontal clamping pressure sensor；5th, it is horizontal
To clamping plate；6th, the first depression bar support base；7th, vertical depression bar；8th, rotation auxiliary depression bar；9th, the second depression bar support base；10th, second
Compress hydraulic cylinder；11st, longitudinal clamping motor；12nd, longitudinal clamping pressure sensor；13rd, longitudinal clamping plate；14th, fixed groove；
15th, controller；16th, vertical clamping pressure sensor.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belong to the scope that the present invention is protected.
Referring to shown in Fig. 1-Fig. 4, the invention provides a kind of single positioning boring machine square products positioner, including fixation
Base 1, controller 15, horizontal clamping motor 3, longitudinal clamping motor 11, the both sides of firm banking 1 are provided with fixed groove 14；Gu
Determine the side upper end of base 1 and controller 15 is installed；
The upper end side of firm banking 1 is provided with the first compression hydraulic cylinder 2, and the upper end opposite side of firm banking 1 is provided with second
Hydraulic cylinder 10 is compressed, the first compression hydraulic cylinder 2 and second compresses hydraulic cylinder 10 and electrically connected with controller 15；First compresses hydraulic pressure
The upper end of cylinder 2 is provided with the first depression bar support base 6, and the upper end of the first depression bar support base 6 is provided with vertical depression bar 7, the vertical lower end of depression bar 7
Vertical clamping pressure sensor 16 is provided with, vertical clamping pressure sensor 16 electrically connects with controller 15；Second compresses hydraulic pressure
The upper end of cylinder 10 is provided with the second depression bar support base 9, and the upper end of the second depression bar support base 9 is provided with rotation auxiliary depression bar 8；
The upper end side on both sides of the middle of firm banking 1 is provided with horizontal clamping motor 3, horizontal clamping motor 3 and controller 15
Electrical connection, the shaft end of horizontal clamping motor 3 are provided with horizontal clamping plate 5, and the side of horizontal clamping plate 5 is provided with horizontal clamping pressure biography
Sensor 4, horizontal clamping pressure sensor 4 electrically connect with controller 15；The upper center of firm banking 1 front side and rear side are provided with vertical
To clamping motor 11, longitudinal clamping motor 11 electrically connects with controller 15, and longitudinal shaft end of clamping motor 11 is provided with longitudinal clamping
Plate 13, longitudinal side of clamping plate 13 are provided with longitudinal clamping pressure sensor 12, longitudinal clamping pressure sensor 12 and controller
15 electrical connections.
As optional embodiment, fixed groove 14 is molded over the both sides of firm banking 1 by mach mode, fixed
Groove 14 is U-type groove, and fixed groove 14 shares four, and symmetrical, and controller 15 is fixedly mounted on by electronics base
The side upper end of base 1 is determined, for device to be fixedly mounted on to the workbench of boring machine；
First compression hydraulic cylinder 2 is fixedly mounted on the upper end side of firm banking 1 by bolt base, and first compresses hydraulic cylinder
2 share two, and symmetrical, and the compression for the vertical direction of part provides power；
Second compression hydraulic cylinder 10 is fixedly mounted on the upper end side of firm banking 1 by bolt base, and second compresses hydraulic pressure
Cylinder 10 shares two, and symmetrical, and the compression for the vertical direction of part provides power；
First depression bar support base 6 is mounted by means of bolts on the upper end of the first compression hydraulic cylinder 2, the first depression bar support base 6
Section is fixedly mounted on the upper end of the first depression bar support base 6, the vertical end set of depression bar 7 into convex, vertical depression bar 7 by rotating shaft
There is U-shaped groove, vertical depression bar 7 extends to the top of the second depression bar support base 9, and vertical clamping pressure sensor 16 is embedded in vertical pressure
The lower end of bar 7, auxiliary realizes the compression to the vertical direction of part, while realizes the detection and control of vertical direction compaction pressure；
Second depression bar support base 9 is mounted by means of bolts on the upper end of the second compression hydraulic cylinder 10, the second depression bar support base 9
Section is fixedly mounted on the upper end of the second depression bar support base 9, rotation auxiliary depression bar 8 into concave character type, rotation auxiliary depression bar 8 by rotating shaft
Section into T fonts, can passing power, auxiliary realizes the clamping of part vertical direction；
Horizontal clamping motor 3 is fixedly mounted on the upper end side on both sides of the middle of firm banking 1, horizontal clamping by bolt base
Motor 3 shares two, and symmetrical, and horizontal clamping plate 5 is mounted by means of bolts on the shaft end of horizontal clamping motor 3, laterally
Clamping pressure sensor 4 is embedded in the side of horizontal clamping plate 5, can realize the clamping of part horizontal direction, while can realize
The detection and control of the clamping pressure of horizontal direction；
Longitudinal clamping motor 11 is fixedly mounted on by bolt base on front side of the upper center of firm banking 1 and rear side, longitudinal direction
Clamping motor 11 shares two, and symmetrical, and longitudinal clamping plate 13 is mounted by means of bolts on longitudinal axle of clamping motor 11
End, longitudinal clamping pressure sensor 12 are embedded in longitudinal side of clamping plate 13, can realize the clamping of part longitudinal direction, simultaneously
The detection and control of the clamping pressure of longitudinal direction can be realized.
Using said structure, device is fixedly mounted on the workbench of boring machine by the fixed groove 14 of firm banking 1,
When carrying out clamping to part, parts to be processed is placed on the upper center of firm banking 1, controller 15 controls horizontal clamping motor
3 and longitudinal clamping motor 11 work, horizontal clamping motor 3 drives horizontal clamping plate 5 to be moved to piece surface and realized to part
Horizontal clamping, horizontal clamping pressure sensor 4 detects clamping pressure in clamping process, and detection signal is passed into controller
15, when clamping pressure reaches preset value, controller 15 controls horizontal clamping motor 3 to be stopped, and realizes the horizontal folder of part
Tightly, longitudinal clamping motor 11 drives longitudinal clamping plate 13 to be moved to piece surface realization and the longitudinal direction of part is clamped, and longitudinal direction clamps
Pressure sensor 12 detects clamping pressure in clamping process, and detection signal is passed into controller 15, when clamping pressure reaches
During to preset value, controller 15 controls longitudinal clamping motor 11 to be stopped, and realizes the longitudinal direction clamping of part, holds vertical depression bar
7, vertical depression bar 7 is rotated in the upper end of the first depression bar support base 6 to part upper surface, hold rotation auxiliary depression bar 8, make rotation auxiliary
Drape assist 8 is rotated in the upper end of the second depression bar support base 9 to the U-shaped inside grooves of the vertical end of depression bar 7, the control of controller 15 first
Compress the compression hydraulic cylinder 10 of hydraulic cylinder 2 and second to work asynchronously, carry out the compression of vertical direction to part by vertical depression bar 7,
Vertical clamping pressure sensor 16 detects clamping pressure in real time, and detection signal is passed into controller 15, when clamping pressure arrives
During up to preset value, the control of controller 15 first compression hydraulic cylinder 2 and second compresses hydraulic cylinder 10 and is stopped, and realizes part numerical value
The compression in direction, device can realize the automated exchanged cutter to part, and clamping efficiency is high, while can be clamped the detection of pressure
And control, prevent clamping from causing piece surface to damage.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
- A kind of 1. single positioning boring machine square products positioner, it is characterised in that：Including firm banking (1), controller (15), Horizontal clamping motor (3), longitudinal clamping motor (11), firm banking (1) both sides are provided with fixed groove (14)；It is described solid Determine base (1) side upper end and the controller (15) is installed；Firm banking (1) the upper end side is provided with the first compression hydraulic cylinder (2), firm banking (1) upper end opposite side Second compression hydraulic cylinder (10) is installed, described first compresses hydraulic cylinder (2) and the second compression hydraulic cylinder (10) and institute State controller (15) electrical connection；Described first compression hydraulic cylinder (2) upper end is provided with the first depression bar support base (6), and described first Depression bar support base (6) upper end is provided with vertical depression bar (7), and described vertical depression bar (7) lower end is provided with vertical clamping pressure sensing Device (16), the vertical clamping pressure sensor (16) electrically connect with the controller (15)；Described second compresses hydraulic cylinder (10) upper end is provided with the second depression bar support base (9), and the second depression bar support base (9) upper end is provided with rotation auxiliary depression bar (8)；Firm banking (1) upper end side on both sides of the middle is provided with the horizontal clamping motor (3), the horizontal clamping motor (3) electrically connected with the controller (15), horizontal clamping motor (3) shaft end is provided with horizontal clamping plate (5), the transverse direction Clamping plate (5) side is provided with horizontal clamping pressure sensor (4), the horizontal clamping pressure sensor (4) and the control Device (15) electrically connects；On front side of firm banking (1) upper center and rear side is provided with longitudinal clamping motor (11), described Longitudinal clamping motor (11) electrically connects with the controller (15), and longitudinal clamping motor (11) shaft end is provided with longitudinal clamping Plate (13), longitudinal clamping plate (13) side are provided with longitudinal clamping pressure sensor (12), and longitudinal clamping pressure passes Sensor (12) electrically connects with the controller (15).
- A kind of 2. single positioning boring machine square products positioner according to claim 1, it is characterised in that：The anchor Groove (14) is molded over the firm banking (1) both sides by mach mode, and the fixed groove (14) is U-type groove, described Fixed groove (14) shares four, and symmetrical, and the controller (15) is fixedly mounted on the fixation by electronics base Base (1) side upper end.
- A kind of 3. single positioning boring machine square products positioner according to claim 1, it is characterised in that：First pressure Tight hydraulic cylinder (2) is fixedly mounted on the firm banking (1) upper end side by bolt base, and described first compresses hydraulic cylinder (2) two are shared, and it is symmetrical.
- A kind of 4. single positioning boring machine square products positioner according to claim 1, it is characterised in that：Second pressure Tight hydraulic cylinder (10) is fixedly mounted on the firm banking (1) upper end side by bolt base, and described second compresses hydraulic cylinder (10) two are shared, and it is symmetrical.
- A kind of 5. single positioning boring machine square products positioner according to claim 1, it is characterised in that：First pressure Bar support base (6) is mounted by means of bolts on described first and compresses hydraulic cylinder (2) upper end, the first depression bar support base (6) Into convex, the vertical depression bar (7) is fixedly mounted on the first depression bar support base (6) upper end by rotating shaft, described in section Vertical depression bar (7) end set has U-shaped groove, and the vertical depression bar (7) is extended to above the second depression bar support base (9), The vertical clamping pressure sensor (16) is embedded in described vertical depression bar (7) lower end.
- A kind of 6. single positioning boring machine square products positioner according to claim 1, it is characterised in that：Second pressure Bar support base (9) is mounted by means of bolts on described second and compresses hydraulic cylinder (10) upper end, the second depression bar support base (9) Section is fixedly mounted on the second depression bar support base (9) upper end into concave character type, the rotation auxiliary depression bar (8) by rotating shaft, The rotation aids in depression bar (8) section into T fonts.
- A kind of 7. single positioning boring machine square products positioner according to claim 1, it is characterised in that：The laterally folder Tight motor (3) is fixedly mounted on the firm banking (1) upper end side on both sides of the middle, the horizontal clamping electricity by bolt base Machine (3) shares two, and symmetrical, and the horizontal clamping plate (5) is mounted by means of bolts on the horizontal clamping motor (3) shaft end, the horizontal clamping pressure sensor (4) are embedded in horizontal clamping plate (5) side.
- A kind of 8. single positioning boring machine square products positioner according to claim 1, it is characterised in that：The longitudinal direction folder Tight motor (11) is fixedly mounted on by bolt base on front side of the firm banking (1) upper center and rear side, the longitudinal direction folder Tight motor (11) shares two, and symmetrical, and longitudinal clamping plate (13) is mounted by means of bolts on the longitudinal direction folder Tight motor (11) shaft end, longitudinal clamping pressure sensor (12) are embedded in longitudinal clamping plate (13) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935398.1A CN107671576A (en) | 2017-10-10 | 2017-10-10 | A kind of single positioning boring machine square products positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710935398.1A CN107671576A (en) | 2017-10-10 | 2017-10-10 | A kind of single positioning boring machine square products positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107671576A true CN107671576A (en) | 2018-02-09 |
Family
ID=61140060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710935398.1A Pending CN107671576A (en) | 2017-10-10 | 2017-10-10 | A kind of single positioning boring machine square products positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107671576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818037A (en) * | 2018-07-07 | 2018-11-16 | 无锡市海诚机电设备有限公司 | A kind of rotatable multi-angle clamping device of lathe |
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| CN201261135Y (en) * | 2008-10-05 | 2009-06-24 | 韦星野 | Hydraulic clamp for thin wall sleeve rough boring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108818037A (en) * | 2018-07-07 | 2018-11-16 | 无锡市海诚机电设备有限公司 | A kind of rotatable multi-angle clamping device of lathe |
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Application publication date: 20180209 |