CN108015371A - A kind of low pressure casting die venting plug linear cutting clamp - Google Patents
A kind of low pressure casting die venting plug linear cutting clamp Download PDFInfo
- Publication number
- CN108015371A CN108015371A CN201711474219.5A CN201711474219A CN108015371A CN 108015371 A CN108015371 A CN 108015371A CN 201711474219 A CN201711474219 A CN 201711474219A CN 108015371 A CN108015371 A CN 108015371A
- Authority
- CN
- China
- Prior art keywords
- fixture
- venting plug
- low pressure
- linear cutting
- top plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000013022 venting Methods 0.000 title claims abstract description 57
- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 238000005266 casting Methods 0.000 title claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention discloses a kind of low pressure casting die venting plug linear cutting clamp, it is characterised in that including：Pedestal, fixture clamping seat, fixture top plate, shaft and handle, the fixture clamping seat is fitted together for fixing venting plug with the fixture top plate, the shaft is rotatably installed on the pedestal, one end of the shaft is fixed with the fixture clamping seat or the fixture top plate, and the other end of the shaft connects the handle.In actual work, first pass through pedestal whole fixture is installed on linear cutting equipment；Then pull down fixture clamping seat and clamping is carried out to each venting plug, then fixture clamping seat is assemblied together with fixture top plate and fixes some venting plugs to be processed；Finally the venting plug fixed feeding wire cutting machine is processed.When needing indexing, only need operation handle that the indexing of venting plug can be achieved, without clamping conventionally is removed carry out secondary clamping, the processing efficiency of venting plug is greatly improved.
Description
Technical field
The present invention relates to tooling and fixture technical field, more particularly to a kind of clamp for machining of low pressure casting die venting plug.
Background technology
Venting plug is common a kind of dieparts on low pressure casting metal die, for easily producing trapped gas inside cavity
The position that is largely vented of position and needing.Existing venting plug, its structure are main as shown in Figure 1, including hexagon-head 01, bar
Body portion 02 and work department 03；The deflation area 04 of six isogonisms is provided with the work department, is additionally provided with the clearance groove 05 of intersection.
It is less efficient when processing deflation area 04 or clearance groove 05, it is necessary to be carried out on cutting on line machine.One application number
A kind of wire cutting frock of low pressure casting die venting plug is disclosed for 201320721987.7 Chinese utility model patent, is wrapped
Include bottom plate and the clamping being arranged in bottom plate.The frock can disposably clamp the more venting plugs, and will the batches of row
Vent plug, which is placed on wire cutting machine, processes deflation area and clearance groove.But, it is necessary to overturn the clamping three times, clamping is turned over when processing
Turn inconvenience, cause inefficiency.In addition, the clamping of the frock by between shrinking left and right jack isolate groove clamp exhaust
Plug, the stability not only clamped is poor, but also clamping is easily broken off, it is difficult to suitable for industrial applications.
The content of the invention
For defect existing in the prior art, it is an object of the invention to provide a kind of clamping structure stabilization, processing effect
The high venting plug linear cutting clamp of rate.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of low pressure casting die venting plug linear cutting clamp, it is characterised in that including：Pedestal, fixture clamping seat, fixture
Top plate, shaft and handle, the fixture clamping seat are fitted together for fixing venting plug, the shaft with the fixture top plate
It is rotatably installed on the pedestal, one end of the shaft is fixed with the fixture clamping seat or the fixture top plate, described turn
The other end of axis connects the handle.
As a further illustration of the above scheme, being molded on the fixture clamping seat fluted, set in the groove
There are some fixture jacks, the rod body part of the venting plug be able to cannot pass through by the fixture jack, the head of the venting plug
The fixture jack；Some and one-to-one through hole of fixture jack is equipped with the fixture top plate, in the through hole
Interior to be equipped with fore-set, the first spring and headless screw, the fore-set is used for compressing the head of the venting plug, and the headless screw is twisted
Tightly on the through hole, first spring is connected between the fore-set and the headless screw, to described one pressure of fore-set
Power.
As a further illustration of the above scheme, the fixture top plate is placed in the groove and with through the groove
The milled screw of side wall is locked.
As a further illustration of the above scheme, being equipped with bearing between the shaft and the pedestal, the bearing leads to
Cross pressing plate and the first screw is fixed on pedestal.
As a further illustration of the above scheme, one end of the shaft by the second screw and the fixture clamping seat and
The fixture top plate is fixed.
As a further illustration of the above scheme, the other end of the shaft is connected by crank with the handle.
As a further illustration of the above scheme, telescopic positioning pin is equipped with the handle, on the pedestal
Equipped with location hole corresponding with the positioning pin.
As a further illustration of the above scheme, one end of the positioning pin is fixed with handle, the positioning pin it is another
End is equipped with coupling sleeve through the crank between the handle and the crank, the positioning pin and the coupling sleeve it
Between be equipped with second spring；In this way, operating the handle can be achieved the flexible of the positioning pin.
As a further illustration of the above scheme, the quantity of the fixture jack is 36.
As a further illustration of the above scheme, one end of the shaft is non-circular anti-rotation end, set in anti-rotation end
There is screw hole, the axis of the screw hole is parallel with the axis of the shaft；It is equipped with the fixture clamping seat and the fixture top plate
Anti-rotating hole corresponding with anti-rotation end transverse cross-sectional shape, the anti-rotation end be plugged in the anti-rotating hole and by with the spiral shell
Hole coordinates the 3rd screw lock.
The beneficial effects of the invention are as follows：
First, by setting the structures such as fixture clamping seat, fixture top plate, shaft, handle, in actual work, pedestal is first passed through
Whole fixture is installed on linear cutting equipment；Then pull down fixture clamping seat and clamping is carried out to each venting plug, then by fixture
Clamping seat is assemblied together with fixture top plate and fixes some venting plugs to be processed；Finally the venting plug fixed feeding line is cut
Cutting mill device is processed.When needing indexing, only need operation handle that the indexing of venting plug can be achieved, without as traditional skill
Clamping is removed carry out secondary clamping by art like that, and the processing efficiency of venting plug is greatly improved.
2nd, using fixture clamping seat and fixture top plate come clamping venting plug, not only clamping structure is reliable and stable, but also avoids
Clamping breakage problem in conventional art, service life length, suitable for industrial applications.
3rd, by setting telescopic positioning pin on handle, location hole corresponding with positioning pin is set on pedestal, when
When needing indexing, operation handle is only needed to eject positioning pin, then rotational handle makes positioning pin be directed at next location hole insertion i.e.
Can, accurate positioning is easy to operate.
Brief description of the drawings
Fig. 1 show venting plug structure diagram.
Fig. 2 show venting plug linear cutting clamp structure diagram provided by the invention.
Fig. 3 show venting plug linear cutting clamp side view provided by the invention.
Fig. 4 show venting plug linear cutting clamp sectional view provided by the invention.
Fig. 5 show venting plug linear cutting clamp structure decomposition figure provided by the invention.
Description of reference numerals：
01：Hexagon-head, 02：Rod body part, 03：Work department, 04：Deflation area, 05：Clearance groove.
1：Pedestal, 2：Fixture clamping seat, 3：Fixture top plate, 4：Shaft, 5：Handle, 6：Venting plug, 7：Fore-set, 8：First bullet
Spring, 9：Headless screw, 10：Deep groove ball bearing, 11：Pressing plate, 12：Screw, 13：Soket head cap screw, 14：Crank, 15：Positioning pin,
16：Coupling sleeve, 17：Second spring, 18：Location hole, 19：Milled screw.
Embodiment
In the description of the present invention, it is necessary to which explanation, for the noun of locality, if any term, " " center ", " transverse direction ", " indulge
To ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ",
The indicating position such as " bottom ", " interior ", " outer ", " clockwise ", " counterclockwise " and position relationship are based on orientation shown in the drawings or position
Relation is put, it is of the invention necessary with simplified description, rather than the device or element of instruction or hint meaning to be for only for ease of narration
Construct and operate with specific orientation, with particular orientation, it is impossible to be interpreted as the specific protection domain of the limitation present invention.
In addition, description purpose is only used for if any term " first ", " second ", and it is not intended that indicating or implying relatively heavy
The property wanted or the implicit quantity for indicating technical characteristic.Thus, " first " is defined, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense is gone to understand, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can also be that machinery connects
Connect；It can be directly connected or be connected by intermediary, can be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise prescribed and limit, fisrt feature second feature it " on " or it " under " can include
First and second features directly contact, can also include fisrt feature and second feature not be direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature the
Directly over two features and oblique upper, or be only to represent that fisrt feature level height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include fisrt feature immediately below second feature or obliquely downward, or only table
Show that fisrt feature level height is less than second feature.
With reference to the attached drawing of specification, by being further described to the embodiment of the present invention, make this hair
Bright technical solution and its advantage is clearer, clear and definite.Embodiment is described below with reference to attached drawing to be exemplary, purport
Explaining the present invention, and be not considered as limiting the invention.
As Figure 2-Figure 5, a kind of low pressure casting die venting plug linear cutting clamp, including：Pedestal 1, fixture clamping seat
2nd, fixture top plate 3, shaft 4 and handle 5, the fixture clamping seat 2 are fitted together with the fixture top plate 3 and are vented for fixed
Plug 6, the shaft 4 is rotatably installed on pedestal 1, one end of the shaft 4 and the 2 or described fixture top plate of fixture clamping seat
3 fix, and the other end of the shaft 4 connects the handle 5.
Wherein, it is molded on the fixture clamping seat 2 fluted, some fixture jacks is equipped with the groove, it is described
The rod body part of venting plug 6 can cannot pass through the fixture jack by the fixture jack, the head of the venting plug 6.
The fixture top plate 3 is placed in the groove and is locked with the milled screw 19 through the recess sidewall solid
It is fixed.Some and one-to-one through hole of fixture jack is equipped with the fixture top plate 3, fore-set is equipped with the through hole
7th, the first spring 8 and headless screw 9, the fore-set 7 are used for compressing the head of the venting plug 6, and the headless screw 9 is tightened in
On through hole, first spring 8 is connected between the fore-set 7 and the headless screw 9, to described 7 one pressure of fore-set, with
Avoiding the size difference of fore-set causes the venting plug 6 to be compacted.
Deep groove ball bearing 10 is equipped between the shaft 4 and the pedestal 1, the deep groove ball bearing 10 passes through pressing plate 11
It is fixed on screw 12 on pedestal 1.One end of the shaft 4 is hexagonal, and screw hole, the spiral shell are equipped with the hexagonal end
The axis in hole is parallel with the axis of the shaft；In the fixture clamping seat 2 and the fixture top plate 3 is equipped with and hexagonal hole,
The hexagonal end of shaft 4 is plugged in the hexagonal hole and by coordinating the locking of soket head cap screw 13 solid with the screw hole
It is fixed, fixed so as to fulfill the shaft 4 and the fixture clamping seat 2 and the fixture top plate 3.The other end of the shaft 4 leads to
Cross crank 14 to be connected with the handle 5, fixed between shaft 4 and crank 14 by screw lock.Herein, using hexagonal end
The benefit of portion and hexagonal hole is：Avoid sending between shaft 4 and fixture clamping seat 2 and fixture top plate 3 and relatively rotate.At other
In embodiment, the end of shaft 4 can also be arranged to other anti-rotation shapes such as triangle, quadrangle, be not limited to the present embodiment.
Positioning pin 15 is equipped with handle 5, coupling sleeve 16 is equipped between handle 5 and the crank 14, in positioning pin 15
Second spring 17 is equipped between coupling sleeve 16, location hole 18 corresponding with positioning pin 1 is equipped with the pedestal 1.In this way, behaviour
Make handle 5 and the flexible of positioning pin 15 can be achieved, so that positioning pin 15 injects or extract out location hole 18.When needing indexing,
Operation handle 5 is only needed to eject positioning pin 15, then rotational handle 5 makes positioning pin 15 be directed at next insertion of location hole 18,
Accurate positioning, it is easy to operate.
Low pressure casting die venting plug linear cutting clamp provided in this embodiment includes following work step：1) by pedestal 1
It is installed on linear cutting equipment.2) pull down each venting plug 6 to be processed of 2 pairs of the fixture clamping seat and carry out clamping, then will
The fixture clamping seat 2 is assemblied together with the fixture top plate 3 and fixes some venting plugs 6 to be processed.3) will be solid
The venting plug 6 set is sent into wire cutting machine and is processed.4) when needing indexing, operate the handle 5 and can be achieved
The indexing of the venting plug 6, without clamping conventionally is removed carry out secondary clamping, is greatly improved venting plug
Processing efficiency.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, not office of the invention
It is limited to above-mentioned embodiment, this hair is all fallen within using the improvement and replacement of techniques well known on the basis of the present invention
Bright protection domain, protection scope of the present invention should limit it by each claim and its equivalent.
Claims (10)
- A kind of 1. low pressure casting die venting plug linear cutting clamp, it is characterised in that including：Pedestal, fixture clamping seat, fixture top Plate, shaft and handle, the fixture clamping seat are fitted together for fixing venting plug with the fixture top plate, and the shaft turns Dynamic to be installed on the pedestal, one end of the shaft is fixed with the fixture top plate, described in the other end connection of the shaft Handle.
- 2. a kind of low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that in the folder It is molded fluted on tool clamping seat, some fixture jacks is equipped with the groove, the rod body part of the venting plug can pass through institute Fixture jack is stated, the head of the venting plug cannot pass through the fixture jack；Some and institute is equipped with the fixture top plate The one-to-one through hole of fixture jack is stated, fore-set, the first spring and headless screw are equipped with the through hole, the fore-set is used for The head of the venting plug is compressed, the headless screw is tightened on the through hole, and first spring is connected to the fore-set Between the headless screw, to described one pressure of fore-set.
- A kind of 3. low pressure casting die venting plug linear cutting clamp according to claim 2, it is characterised in that the fixture Top plate is placed in the groove and is locked with the milled screw through the recess sidewall.
- 4. a kind of low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that at described turn Bearing is equipped between axis and the pedestal, the bearing is fixed on pedestal by pressing plate and the first screw.
- A kind of 5. low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that the shaft One end fixed by the second screw and the fixture clamping seat and the fixture top plate.
- A kind of 6. low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that the shaft The other end be connected by crank with the handle.
- 7. a kind of low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that in the hand Handle is equipped with telescopic positioning pin, and location hole corresponding with the positioning pin is equipped with the pedestal.
- A kind of 8. low pressure casting die venting plug linear cutting clamp according to claim 7, it is characterised in that the positioning One end of pin is fixed with handle, and the other end of the positioning pin passes through the crank, is set between the handle and the crank There is coupling sleeve, second spring is equipped between the positioning pin and the coupling sleeve；In this way, operating the handle can be achieved institute State the flexible of positioning pin.
- A kind of 9. low pressure casting die venting plug linear cutting clamp according to claim 2, it is characterised in that the fixture The quantity of jack is 36.
- 10. a kind of low pressure casting die venting plug linear cutting clamp according to claim 1, it is characterised in that described turn One end of axis is non-circular anti-rotation end, and screw hole is equipped with anti-rotation end, and the axis of the screw hole and the axis of the shaft are put down OK；Anti-rotating hole corresponding with anti-rotation end transverse cross-sectional shape is equipped with the fixture clamping seat and the fixture top plate, it is described Anti-rotation end is plugged in the anti-rotating hole and by coordinating the 3rd screw lock with the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474219.5A CN108015371A (en) | 2017-12-29 | 2017-12-29 | A kind of low pressure casting die venting plug linear cutting clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711474219.5A CN108015371A (en) | 2017-12-29 | 2017-12-29 | A kind of low pressure casting die venting plug linear cutting clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108015371A true CN108015371A (en) | 2018-05-11 |
Family
ID=62072272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711474219.5A Pending CN108015371A (en) | 2017-12-29 | 2017-12-29 | A kind of low pressure casting die venting plug linear cutting clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108015371A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100972342B1 (en) * | 2010-01-13 | 2010-07-26 | 이호형 | A fixing jig for mould pin head cutting |
| CN203526744U (en) * | 2013-11-16 | 2014-04-09 | 佛山市南海奔达模具有限公司 | Wire-electrode cutting fixture for venting plug of low-pressure casting mold |
| CN103878710A (en) * | 2012-12-21 | 2014-06-25 | J.施迈茨有限公司 | Clamping device |
| CN203664876U (en) * | 2013-12-16 | 2014-06-25 | 湖北博世达科技发展有限公司 | Wire cutting machining device |
| US20140291941A1 (en) * | 2013-03-27 | 2014-10-02 | Vertex Machinery Works Co., Ltd. | Upright chuck assembly |
| CN204248491U (en) * | 2014-12-04 | 2015-04-08 | 四川川钨硬质合金有限公司 | A kind of fixture of milling carbide alloy end face of shaft bush |
| CN204565572U (en) * | 2015-02-03 | 2015-08-19 | 上海众力汽车部件有限公司 | A kind of nail pressing fixture |
| CN105234699A (en) * | 2015-10-13 | 2016-01-13 | 福建兵工装备有限公司 | Thin-wall revolving body workpiece indexing, drilling and milling rapid clamping device |
| CN205184573U (en) * | 2015-11-12 | 2016-04-27 | 上海胜僖汽车配件有限公司 | Quick positioning jig |
| CN205465345U (en) * | 2016-03-29 | 2016-08-17 | 西安法士特汽车传动有限公司 | Anchor clamps mechanism is done to single cylinder double acting |
| CN206393237U (en) * | 2017-01-18 | 2017-08-11 | 中山市景程五金制品有限公司 | Clamping device for machining tubular structures |
| CN207997047U (en) * | 2017-12-29 | 2018-10-23 | 佛山职业技术学院 | A kind of low pressure casting die venting plug linear cutting clamp |
-
2017
- 2017-12-29 CN CN201711474219.5A patent/CN108015371A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100972342B1 (en) * | 2010-01-13 | 2010-07-26 | 이호형 | A fixing jig for mould pin head cutting |
| CN103878710A (en) * | 2012-12-21 | 2014-06-25 | J.施迈茨有限公司 | Clamping device |
| US20140291941A1 (en) * | 2013-03-27 | 2014-10-02 | Vertex Machinery Works Co., Ltd. | Upright chuck assembly |
| CN203526744U (en) * | 2013-11-16 | 2014-04-09 | 佛山市南海奔达模具有限公司 | Wire-electrode cutting fixture for venting plug of low-pressure casting mold |
| CN203664876U (en) * | 2013-12-16 | 2014-06-25 | 湖北博世达科技发展有限公司 | Wire cutting machining device |
| CN204248491U (en) * | 2014-12-04 | 2015-04-08 | 四川川钨硬质合金有限公司 | A kind of fixture of milling carbide alloy end face of shaft bush |
| CN204565572U (en) * | 2015-02-03 | 2015-08-19 | 上海众力汽车部件有限公司 | A kind of nail pressing fixture |
| CN105234699A (en) * | 2015-10-13 | 2016-01-13 | 福建兵工装备有限公司 | Thin-wall revolving body workpiece indexing, drilling and milling rapid clamping device |
| CN205184573U (en) * | 2015-11-12 | 2016-04-27 | 上海胜僖汽车配件有限公司 | Quick positioning jig |
| CN205465345U (en) * | 2016-03-29 | 2016-08-17 | 西安法士特汽车传动有限公司 | Anchor clamps mechanism is done to single cylinder double acting |
| CN206393237U (en) * | 2017-01-18 | 2017-08-11 | 中山市景程五金制品有限公司 | Clamping device for machining tubular structures |
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