CN104875055A - Single-row Z-direction positioning fixture with leftward-rightward rotational fine adjustment function - Google Patents

Single-row Z-direction positioning fixture with leftward-rightward rotational fine adjustment function Download PDF

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Publication number
CN104875055A
CN104875055A CN201510279008.0A CN201510279008A CN104875055A CN 104875055 A CN104875055 A CN 104875055A CN 201510279008 A CN201510279008 A CN 201510279008A CN 104875055 A CN104875055 A CN 104875055A
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CN
China
Prior art keywords
rotating shaft
pressing plate
clamping
positioning fixture
fine setting
Prior art date
Application number
CN201510279008.0A
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Chinese (zh)
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CN104875055B (en
Inventor
沈成辉
刘世泉
李欢
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佛山市普拉迪数控科技有限公司
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Priority to CN201510279008.0A priority Critical patent/CN104875055B/en
Publication of CN104875055A publication Critical patent/CN104875055A/en
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Publication of CN104875055B publication Critical patent/CN104875055B/en

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    • 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
    • B23Q3/061Work-clamping means adapted for holding a plurality of workpieces
    • 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
    • B23Q3/064Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
    • 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

Abstract

The invention discloses a single-row Z-direction positioning fixture with a leftward-rightward rotational fine adjustment function. The positioning fixture comprises a clamping table and a plurality of Z-direction positioning devices, wherein a clamping groove is formed transversely in the working surface of the clamping table; long workpieces are placed on both sides along the inner transverse direction of the clamping groove respectively; the plurality of Z-direction positioning devices are vertically arranged in the clamping groove at intervals along the transverse middle line position of the clamping groove; the Z-direction positioning devices comprise Z-direction driving mechanisms, Z-direction connecting shafts, revolving shaft connecting seats, pressure plates and revolving shafts; the revolving shafts are fixedly connected with the pressure plates through nuts in order that the pressure plates rotate along with the rotation of the revolving shafts and gaps are reserved between the pressure plates and the upper surface of a connecting table; the gaps are the amplitudes of leftward-rightward rotation fine adjustment of the pressure plates. By adopting the single-row Z-direction positioning fixture with leftward-rightward rotational fine adjustment function provided by the invention, a plurality of workpieces can be clamped at one step, influence of the size deviations of workpiece batches is avoided, a good clamping effect is achieved, and the machining accuracy of each workpiece is ensured.

Description

A kind of single can left-right rotation fine setting Z-direction positioning fixture

Technical field

The present invention relates to clamping tool for machine work field, particularly relate to a kind of single can left-right rotation fine setting Z-direction positioning fixture.

Background technology

In workpiece process, all need to adopt fixture to carry out clamping position to workpiece, and in small lot batch manufacture processing, General Requirements clamp structure is simple, cost-saving, but these fixtures generally once can only clamp a workpiece, and can not carry out clamping position operation to multiple workpiece, inefficiency simultaneously.

The existing fixture under pressure carrying out clamping position operation to multiple workpiece controls it by cylinder to press down, and the Workpiece fixing on both sides is clamped in slot, require that the workpiece on both sides needs same model and same specification, but inevitably there is certain dimensional discrepancy between workpiece, if the workpiece size error on both sides is greater than 1mm, the workpiece that existing fixture under pressure is large to size only carries out clamping and positioning, the workpiece that another side size is little then can not clamp, the Workpiece Machining Accuracy that size is little can be caused low, error is larger, and machining accuracy is lower.

Summary of the invention

The object of the invention is to propose a kind of single can the Z-direction positioning fixture of left-right rotation fine setting, the microscler fixture of the multiple workpiece of disposable clamping, not by work-piece batch own dimensions offset issue, clamping effect is good, guarantees the machining accuracy of each workpiece.

For reaching this object, the present invention by the following technical solutions:

Single can left-right rotation fine setting a Z-direction positioning fixture, comprise clamping bench and multiple Z-direction positioner;

The work top of described clamping bench is horizontally arranged with clamping groove, the both sides of horizontal direction in the groove that elongated workpiece is positioned over described clamping groove respectively, multiple described Z-direction positioner is installed on described clamping groove along the transversal centerline location interval of described clamping groove is vertical;

Described Z-direction positioner comprises Z-direction driving mechanism, Z-direction connecting axle, rotating shaft Connection Block, pressing plate and rotating shaft;

The vertical bottom being installed on described clamping groove of described Z-direction driving mechanism, one end of described Z-direction connecting axle is connected to described Z-direction driving mechanism, the other end is vertically connected at the bottom of described rotating shaft Connection Block, described rotating shaft Connection Block comprises connected unit and rotating shaft installation base, described rotating shaft installation base protrudes the upper surface being arranged at described connected unit, described rotating shaft installation base passes described pressing plate through the Z-direction through hole of described pressing plate, and described rotating shaft is installed, described rotating shaft is rotatably installed in the installing hole of described rotating shaft installation base, described pressing plate is limited in the top of described connected unit by the two ends that described rotating shaft protrudes from described installing hole, described rotating shaft is fixedly connected with described pressing plate by nut, described pressing plate is rotated with the rotation of described rotating shaft, and make to leave gap between the upper surface of described pressing plate and described connected unit, described gap is the amplitude of the left-right rotation fine setting of described pressing plate,

By described Z-direction driving mechanisms control, it moves up and down described pressing plate, and the workpiece be positioned at below its right and left is pressed on described slot thus carries out Z-direction location.

More excellent, the vertical bottom being installed on described clamping groove of described Z-direction driving mechanism, and being positioned at the below of the groove face of described clamping groove, one end of described Z-direction connecting axle is connected to described Z-direction driving mechanism, and the other end passes described groove face and is vertically connected at the bottom of described rotating shaft Connection Block.

More excellent, the work top of described clamping bench has been horizontally arranged at interval multiple clamping groove.

More excellent, bottom and the described connected unit corresponding position of described pressing plate are provided with horizontal slot, and the groove width of described horizontal slot is greater than the width of described connected unit.

More excellent, the bottom surrounding of described clamping bench is provided with protective cover, and the polycrystalline substance of described clamping bench is gone along with sb. to guard him in described protective cover.

More excellent, described Z-direction driving mechanism is twin shaft clamping cylinder.

More excellent, the Z-direction through hole of described pressing plate is the square opening with the mating shapes of the boss bottom of described rotating shaft installation base, and the shape of described boss bottom is less than the shape of described square opening.

More excellent, the corner of described square opening is provided with the empty avoiding fabrication hole for rotating fine setting.

More excellent, the two ends that described rotating shaft protrudes from described installing hole are symmetrical, and are fixedly connected with described pressing plate respectively by two described nuts.

More excellent, every side of described clamping groove at least can clamp a workpiece.

Beneficial effect of the present invention: 1, with axis of rotation, the workpiece making pressing plate little to size also compresses pressing plate according to the dimensional discrepancy of down either side workpiece, guarantees the machining accuracy of each workpiece; 2, the fixture of the multiple elongated workpiece of disposable clamping, operating efficiency is high; 3, limit by two nuts the gap stayed in left-right rotation fine setting and finely tune, operate simple and easy, controllability is high.

Accompanying drawing explanation

Fig. 1 is the structural representation of one embodiment of the present of invention;

Fig. 2 is the structural representation of one embodiment of the present of invention;

Fig. 3 is the structural representation of the Z-direction positioner of one embodiment of the present of invention;

Fig. 4 is the cross-sectional view of the Z-direction positioner of one embodiment of the present of invention;

Fig. 5 is the structural representation of the Z-direction positioner of one embodiment of the present of invention;

Fig. 6 is that the part-structure of the Z-direction positioner of one embodiment of the present of invention splits schematic diagram.

Wherein: clamping bench 1, Z-direction positioner 2, workpiece 10, clamping groove 11, protective cover 12, anti-bits axle sleeve 111, Z-direction driving mechanism 21, Z-direction connecting axle 22, rotating shaft Connection Block 23, pressing plate 24, rotating shaft 25, connected unit 231, rotating shaft installation base 232, installing hole 233, gap 240, Z-direction through hole 241, horizontal slot 242, empty avoiding fabrication hole 243, nut 251.

Detailed description of the invention

Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.

As shown in figures 1 to 6, a kind of single can left-right rotation fine setting Z-direction positioning fixture, comprise clamping bench 1 and multiple Z-direction positioner 2;

The work top of described clamping bench 1 is horizontally arranged with clamping groove 11, the both sides of horizontal direction in the groove that elongated workpiece 10 is positioned over described clamping groove 11 respectively, multiple described Z-direction positioner 2 is installed on described clamping groove 11 along the transversal centerline location interval of described clamping groove 11 is vertical;

Described Z-direction positioner 2 comprises Z-direction driving mechanism 21, Z-direction connecting axle 22, rotating shaft Connection Block 23, pressing plate 24 and rotating shaft 25;

The vertical bottom being installed on described clamping groove 11 of described Z-direction driving mechanism 21, one end of described Z-direction connecting axle 22 is connected to described Z-direction driving mechanism 21, the other end is vertically connected at the bottom of described rotating shaft Connection Block 23, described rotating shaft Connection Block 23 comprises connected unit 231 and rotating shaft installation base 232, described rotating shaft installation base 232 protrudes the upper surface being arranged at described connected unit 231, described rotating shaft installation base 231 passes described pressing plate 24 through the Z-direction through hole 241 of described pressing plate 24, and described rotating shaft 25 is installed, described rotating shaft 25 is rotatably installed in the installing hole 233 of described rotating shaft installation base 232, described pressing plate 24 is limited in the top of described connected unit 231 by the two ends that described rotating shaft 25 protrudes from described installing hole 233, described rotating shaft 25 is fixedly connected with described pressing plate 24 by nut 251, described pressing plate 24 is rotated with the rotation of described rotating shaft 25, and make to leave gap 240 between described pressing plate 24 and the upper surface of described connected unit 231, described gap 240 is the amplitude of the left-right rotation fine setting of described pressing plate 24,

Described pressing plate 24 controls it by described Z-direction driving mechanism 21 and moves up and down, and the workpiece 10 be positioned at below its right and left is pressed on described slot thus carries out Z-direction location.

Overall structure is multiple Z-direction positioner 2 and the combining of the clamping groove 11 of horizontally set, be suitable for the clamping with tubulose or the elongated workpiece such as cylindric, as shown in Figure 1, positioning pressure perpendicular to clamping bench 1 is provided to elongated workpiece 10 by multiple Z-direction positioner 2, make elongated workpiece 10 be subject to downward pressure compaction in the groove face of clamping groove 11, can prevent elongated workpiece 10 from adding play axially in man-hour.Cutter adds man-hour to elongated workpiece 10, and elongated workpiece 10 can not be moved under the pressuring action of clamping groove 11 groove face and Z-direction positioner 2, elongated workpiece 10 is carried out to the location of multistation, improves the machining accuracy of workpiece.Wherein, pressing plate 24 is limited in the top of the connected unit 231 of rotating shaft Connection Block 23 by rotating shaft 25, and and leave gap 240 between the upper surface of connected unit 231, the gap 240 of leaving a blank can be used for the left-right rotation fine setting of pressing plate 24.Certain dimensional discrepancy is inevitably there is between workpiece, workpiece size error when both sides is greater than 1mm, when the size of the workpiece below pressing plate 24 left and right sides exists deviation, pressing plate 24 can be rotated relative to rotating shaft Connection Block 23 by the design of rotating shaft 25.When pressing plate 24 is depressed into the large workpiece of size, pressing plate 24 presses down except pulling force except what be subject to Z-direction positioner 2, also can by the top power of large-size workpiece, top power makes to be provided with pressing plate 24 and drives rotating shaft 25 to rotate, the workpiece making hold-down plate surface be partial to size little presses down, simultaneously little to size workpiece also serves clamping and positioning effect, guarantees that both sides workpiece all can be clamped.As shown in Figure 4, the present invention can the Z-direction positioning fixture of left-right rotation fine setting can the fixture of the large small workpiece of disposable clamping different size, realize the automatic quick position to size workpiece devious and clamping function, versatility is high, clamping effect is good, do not affect the machining accuracy of workpiece, effectively avoid existing workpiece and there is dimensional discrepancy and the not good phenomenon of the clamping effect occurred.

More excellent, the vertical bottom being installed on described clamping groove 11 of described Z-direction driving mechanism 21, and be positioned at the below of the groove face of described clamping groove 11, one end of described Z-direction connecting axle 22 is connected to described Z-direction driving mechanism 21, and the other end passes described groove face and is vertically connected at the bottom of described rotating shaft Connection Block 23.Z-direction driving mechanism 21 is arranged at the below of the groove face of clamping groove 11, is namely positioned at the below of clamping bench 1, avoids adding man-hour to the workpiece of clamping, and the scrap produced has influence on the operation of Z-direction driving mechanism 21.

More excellent, the work top of described clamping bench 1 has been horizontally arranged at interval multiple clamping groove 11.Spaced clamping groove 11 leaving a blank on the work top of clamping bench 1 is conducive to the cleaning of clamping bench 1 being processed scrap, and cleaning efficiency is higher.

More excellent, the described groove face place that described Z-direction connecting axle 22 passes is provided with anti-bits axle sleeve 111.When effectively preventing the scrap produced during processing work to be active in by Z-direction connecting axle 22 in the through hole of clamping groove 11, dropped in Z-direction driving mechanism 21 by its gap between the two, affect the operation of Z-direction driving mechanism 21.

More excellent, bottom and described connected unit 231 corresponding position of described pressing plate 24 are provided with horizontal slot 242, and the groove width of described horizontal slot 242 is greater than the width of described connected unit 231.Be provided with the horizontal slot 242 that can hold connected unit 231, and its groove width is greater than the width of connected unit 231, so that pressing plate 24 is not subject to the obstruction of connected unit 231 relative to the left and right fine-adjustment rotary of connected unit 231.

More excellent, the bottom surrounding of described clamping bench 1 is provided with protective cover 12, and the polycrystalline substance of described clamping bench 1 is gone along with sb. to guard him in described protective cover 12.As shown in Figure 2, clamping bench 1 surrounding adopts protective cover 12 to protect, and the driving under clamping bench 1 can be made all to be hidden in the inside, and meanwhile, the aluminium bits preventing processing from producing, cooling fluid fly into fixture bottom surface, make fixture entirety more beautiful and clean.

More excellent, described gap 240 is 2-5mm.Below pressing plate 24, its dimensional discrepancy of workpiece of both sides is generally not more than 3mm, and therefore arranging gap 240 between pressing plate 24 and connected unit 231 is the suitableeest interstice coverage for 2-5mm, and the compression effect that conference affects pressing plate 24 is crossed in gap 240.

More excellent, described Z-direction driving mechanism 21 is twin shaft clamping cylinder.The general cylinder of twin shaft clamping cylinder ratio of rigidity is large, and twin shaft cylinder spindle nose can not rotate, and compresses great efforts, more effectively can meet the requirement of machine finishing.

More excellent, described pressing plate 24 is inverted cone shape pressing plate.Inverted cone shape pressing plate has inclined plane, makes pressing plate 24 be applicable to tubular or has the workpiece of cambered surface, play axially when effectively avoiding work pieces process.

More excellent, the Z-direction through hole 241 of described pressing plate 24 is the square opening with the mating shapes of the boss bottom of described rotating shaft installation base 231, and the shape of described boss bottom is less than the shape of described square opening.The shape of the boss bottom of rotating shaft installation base 231 is the same with the shape of described square opening, square opening has multiple vertical plane, convenient being used for aligns, when pressing plate 24 is installed on rotating shaft Connection Block 23, the middle axial plane of pressing plate 24 is effectively avoided to be not parallel to the horizontal direction of clamping groove 11 and the clamping effect easily reduced workpiece, avoid workpiece to channel bit man-hour adding, guarantee the machining accuracy of workpiece.

More excellent, the corner of described square opening is provided with the empty avoiding fabrication hole 243 for rotating fine setting.As shown in Figure 6, empty avoiding fabrication hole 243 is provided with.

More excellent, the two ends that described rotating shaft 25 protrudes from described installing hole 233 are symmetrical, and are fixedly connected with described pressing plate 24 respectively by two described nuts 251.The two ends that rotating shaft 25 protrudes from described installing hole 233 are symmetrical, guarantee that Z-direction driving mechanism 21 acts on the thrust of rotating shaft 25 or pulling force can be distributed in rotating shaft 25 uniformly, guarantee that pressing plate is pressed on the consistent of the pressure of each point of workpiece 24 times, reduce evitable error.In addition, often end is symmetrically arranged with two nuts 251 and is connected with pressing plate 24, and the gap by the upper surface of two nuts, 251 pairs of pressing plates 24 and connected unit 231 limits and finely tunes, and operate simple and easy, controllability is high.

More excellent, every side of described clamping groove 11 at least can clamp a workpiece.By increasing the size of clamping groove 11, can be used for clamping multiple workpiece, effectively improving the clamping efficiency of workpiece.

Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.

Claims (10)

1. single can left-right rotation fine setting a Z-direction positioning fixture, it is characterized in that: comprise clamping bench and multiple Z-direction positioner;
The work top of described clamping bench is horizontally arranged with clamping groove, the both sides of horizontal direction in the groove that elongated workpiece is positioned over described clamping groove respectively, multiple described Z-direction positioner is installed on described clamping groove along the transversal centerline location interval of described clamping groove is vertical;
Described Z-direction positioner comprises Z-direction driving mechanism, Z-direction connecting axle, rotating shaft Connection Block, pressing plate and rotating shaft;
The vertical bottom being installed on described clamping groove of described Z-direction driving mechanism, one end of described Z-direction connecting axle is connected to described Z-direction driving mechanism, the other end is vertically connected at the bottom of described rotating shaft Connection Block, described rotating shaft Connection Block comprises connected unit and rotating shaft installation base, described rotating shaft installation base protrudes the upper surface being arranged at described connected unit, described rotating shaft installation base passes described pressing plate through the Z-direction through hole of described pressing plate, and described rotating shaft is installed, described rotating shaft is rotatably installed in the installing hole of described rotating shaft installation base, described pressing plate is limited in the top of described connected unit by the two ends that described rotating shaft protrudes from described installing hole, described rotating shaft is fixedly connected with described pressing plate by nut, described pressing plate is rotated with the rotation of described rotating shaft, and make to leave gap between the upper surface of described pressing plate and described connected unit, described gap is the amplitude of the left-right rotation fine setting of described pressing plate,
By described Z-direction driving mechanisms control, it moves up and down described pressing plate, and the workpiece be positioned at below its right and left is pressed on described slot thus carries out Z-direction location.
2. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: the vertical bottom being installed on described clamping groove of described Z-direction driving mechanism, and be positioned at the below of the groove face of described clamping groove, one end of described Z-direction connecting axle is connected to described Z-direction driving mechanism, and the other end passes described groove face and is vertically connected at the bottom of described rotating shaft Connection Block.
3. according to claim 1 and 2 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: the work top of described clamping bench has been horizontally arranged at interval multiple clamping groove.
4. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: bottom and the described connected unit corresponding position of described pressing plate are provided with horizontal slot, and the groove width of described horizontal slot is greater than the width of described connected unit.
5. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: the bottom surrounding of described clamping bench is provided with protective cover, the polycrystalline substance of described clamping bench is gone along with sb. to guard him in described protective cover.
6. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: described Z-direction driving mechanism is twin shaft clamping cylinder.
7. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: the Z-direction through hole of described pressing plate is the square opening with the mating shapes of the boss bottom of described rotating shaft installation base, and the shape of described boss bottom is less than the shape of described square opening.
8. according to claim 7 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: the corner of described square opening is provided with the empty avoiding fabrication hole for rotating fine setting.
9. according to claim 1 a kind of single can the Z-direction positioning fixture of left-right rotation fine setting, it is characterized in that: the two ends that described rotating shaft protrudes from described installing hole are symmetrical, and are fixedly connected with described pressing plate respectively by two described nuts.
10. according to claim 1 a kind of single can left-right rotation fine setting Z-direction positioning fixture, it is characterized in that: every side of described clamping groove at least can clamp a workpiece.
CN201510279008.0A 2015-05-27 2015-05-27 It is a kind of it is single can left-right rotation fine setting Z-direction positioning fixture CN104875055B (en)

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CN201510279008.0A CN104875055B (en) 2015-05-27 2015-05-27 It is a kind of it is single can left-right rotation fine setting Z-direction positioning fixture

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Application Number Priority Date Filing Date Title
CN201510279008.0A CN104875055B (en) 2015-05-27 2015-05-27 It is a kind of it is single can left-right rotation fine setting Z-direction positioning fixture

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CN104875055B CN104875055B (en) 2017-11-21

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888052A (en) * 1955-05-24 1959-05-26 Siewek Tool Company Swingably mounted bench clamp
CN203197637U (en) * 2013-04-27 2013-09-18 重庆山青机械制造有限公司 Milling fixture for clamping fifth reverse gear shift levels
CN103658751A (en) * 2012-09-12 2014-03-26 大连升隆机械有限公司 Adjustable drilling jig for shaft
CN103962863A (en) * 2014-05-12 2014-08-06 如皋市同泰电力器材有限公司 Railway fine tool machining auxiliary clamp
CN104440254A (en) * 2014-11-30 2015-03-25 重庆信奇建材机械制造有限公司 Parallel linkage clamping mechanism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888052A (en) * 1955-05-24 1959-05-26 Siewek Tool Company Swingably mounted bench clamp
CN103658751A (en) * 2012-09-12 2014-03-26 大连升隆机械有限公司 Adjustable drilling jig for shaft
CN203197637U (en) * 2013-04-27 2013-09-18 重庆山青机械制造有限公司 Milling fixture for clamping fifth reverse gear shift levels
CN103962863A (en) * 2014-05-12 2014-08-06 如皋市同泰电力器材有限公司 Railway fine tool machining auxiliary clamp
CN104440254A (en) * 2014-11-30 2015-03-25 重庆信奇建材机械制造有限公司 Parallel linkage clamping mechanism

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