CN106270750A - A kind of plate shearing machine back material stopping automatic lifting method - Google Patents
A kind of plate shearing machine back material stopping automatic lifting method Download PDFInfo
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- CN106270750A CN106270750A CN201610793961.1A CN201610793961A CN106270750A CN 106270750 A CN106270750 A CN 106270750A CN 201610793961 A CN201610793961 A CN 201610793961A CN 106270750 A CN106270750 A CN 106270750A
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- material stopping
- back material
- screw
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- shearing machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/10—Stops for positioning work
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- Mechanical Engineering (AREA)
- Accessories And Tools For Shearing Machines (AREA)
- Shearing Machines (AREA)
Abstract
The invention discloses a kind of plate shearing machine back material stopping automatic lifting method, belong to plate shearing machine field, when which solving the big and long sheet material of existing plate shearing machine processing, rear material stopping device produces and hinders, and needs to remove back blocking beam, the problem but affecting production efficiency.The inventive system comprises back material stopping and upper tool post, also include driver, screw rod box, the first directive wheel, reverse wheel and the second directive wheel, described screw rod box is fixed on upper tool post, one end of screw rod box is connected with driver, the other end is provided with link, link is provided with two steel wire ropes, and wherein steel cable is connected with back material stopping through the first directive wheel, and another steel cable sequentially passes through reverse wheel, the second directive wheel is connected with back material stopping；Described the first directive wheel, reverse wheel and the second directive wheel are each attached on upper tool post.The present invention can make back material stopping quickly rise, and concedes more deep space to sheet material to be processed, decreases manpower and time, substantially increase production efficiency.
Description
The application is a kind of invention entitled " plate shearing machine back material stopping apparatus for automatically lifting and method thereof ", filing date 2015
On April 27, in, the divisional application of the patent application of Application No. 2015102051515.
Technical field
The invention belongs to plate shearing machine field, specifically, relate to a kind of plate shearing machine back material stopping automatic lifting method.
Background technology
Plate shearing machine be with a blade relative to another blade do reciprocating linear motion shear sheet material machine.It is to borrow in motion
Top cutter and fixing bottom knife, use rational gap blade, the sheet metal of various thickness applied shearing force, makes plate
Material is separated by required size fracture.Plate shearing machine belongs to the one in metal forming machinery, and Main Function is exactly metal-working industry.
Product is widely used in the industries such as aviation, light industry, metallurgy, chemical industry, building, boats and ships, automobile, electric power, electrical equipment, decoration and provides required
Special-purpose machinery and complete set of equipments.Plate shearing machine generally comprises workbench, upper tool post and rear material stopping device etc., and rear material stopping device plays
The effect of location workpiece size, but when processed sheet material is relatively big, and when built-in length is beyond the back material stopping degree of depth, rear material stopping device is then
Creating blanketing, in the case, common practices is that back blocking beam is directly removed, and waits after processing this big sheet material
Again back blocking beam is loaded onto, but so repeated disassembled and assembled brings the deuce to pay to production, wastes manpower and time.
Chinese Patent Application No. 201320129768.X, publication date in JIUYUE, 2013 patent document of 11 days, disclose one
Automatic lifting numerical control bender back material stopping system, including the X-axis rear material stopping device being symmetricly set on left and right sidesing wall plate, is arranged on institute
State the R axle rear material stopping device on X-axis rear material stopping device, the back blocking beam being fixedly mounted on R axle rear material stopping device and X
Axle, R axle servo motor transmission system.The line slideway auxiliary of this utility model and ball-screw be secondary and the utilization of servomotor,
Ensure that the positioning precision of X-axis and running precision and the speed of service.R axle back material stopping is in lifting linking member and the tight occlusion of gear
Under by the control of servomotor, up-down adjustment that can be steady, sensitive.Only need to be when user needs different R axle height
Input corresponding numerical value in CNC Panel, save the trouble manually adjusted.And this kind of set-up mode decreases manually tune
Whole potential safety hazard, improves the work efficiency of operator, also has very great help the precision improving workpiece, is effectively improved machine
The NC postprocessing level of bed apparatus.
Chinese Patent Application No. 201320688155.X, the patent document in publication date on May 28th, 2014, disclose one
Hydraulic plate shears back material stopping transmission device, is respectively arranged at two ends with support end plate, front and back supports end plate before and after the backgauge support of left and right
Between be separately installed with ball-screw and the line slideway that axis is parallel to each other, on the ball-screw of the left and right sides and line slideway
Being separately installed with backgauge screw bolt seat, backgauge screw bolt seat can linearly move by guide rail under the driving of corresponding ball-screw respectively, gear
Being connected to backgauge foot on material screw bolt seat, backgauge foot is connected to the left and right sides of striker plate, the same side shaft of ball-screw
End is separately installed with the screw synchronous wheel of the identical number of teeth, drives the axle head of motor to be provided with driving wheel, and driving wheel passes through Timing Belt
Being in transmission connection with two screw synchronous wheels successively, what two screw synchronous were taken turns is respectively provided on two sides with regulating wheel.When fracture occurs in Timing Belt
Time, two ball-screws will stop operating simultaneously, and two backgauge screw bolt seats stop mobile simultaneously, do not result in inclining of striker plate both sides
Tiltedly.
Technical scheme disclosed in above-mentioned two parts of patent documents all there is problems in that when the sheet material that processing length is bigger,
Sheet material stretches into the length in plate shearing machine can be the longest, and even beyond the back material stopping degree of depth, now rear material stopping device can produce blanketing,
Make plate shearing machine can not sheared length more than the sheet material of depth capacity of rear material stopping device regulation, in this case it is desirable to by backstop
Material crossbeam is removed, and waits and is loaded onto by back blocking beam after processing this big sheet material again, and such repeated disassembled and assembled not only causes equipment to damage
Wound, also brings the deuce to pay to production, wastes manpower and time, reduce production efficiency.
Summary of the invention
1, problem to be solved
During for the sheet material that the processing of existing plate shearing machine is big and long, rear material stopping device produces and hinders, and needs to remove back material stopping horizontal
Beam, the problem but affecting production efficiency, the present invention provides a kind of plate shearing machine back material stopping automatic lifting method, when processing big and long
During sheet material, back material stopping can quickly rise, and concedes more deep space, after machining, rapid decrease to sheet material to be processed
Reset, continue the processing of other small dimension sheet materials, decrease manpower and time, substantially increase production efficiency.
2, technical scheme
For solving the problems referred to above, the present invention adopts the following technical scheme that.
A kind of plate shearing machine back material stopping apparatus for automatically lifting, including back material stopping and upper tool post, also include driver, screw rod box,
First directive wheel, reverse wheel and the second directive wheel, described screw rod box is fixed on upper tool post, one end of screw rod box and driver
Connecting, the other end is provided with link, and link is provided with two steel wire ropes, wherein steel cable through the first directive wheel with after
Backgauge is connected, and another steel cable sequentially passes through reverse wheel, the second directive wheel is connected with back material stopping；Described the first directive wheel,
Reverse wheel and the second directive wheel are each attached on upper tool post.
Preferably, described screw rod box includes screw rodb base, screw mandrel, guide rod and guide rod seat, and described guide rod is through leading
Pole socket is connected with link, and the other end is provided with screw；Described screw mandrel one end is connected with screw through screw rodb base, the other end with drive
Dynamic device is connected.
Preferably, described guide rod is provided with travel switch block.
Preferably, described back material stopping includes the first back material stopping assembly, back blocking beam and the second back material stopping assembly, described
The two ends of back blocking beam be vertically connected with the first back material stopping assembly, the second back material stopping assembly respectively.
Preferably, described upper tool post lower end is provided with U-lag guide rail link plate, described the first back material stopping assembly, after second
Backgauge assembly is provided with the slide protrusion matched with U-lag on U-lag guide rail link plate.
Preferably, described driver is motor and worm reduction box.
A kind of plate shearing machine back material stopping automatic lifting method, the steps include:
1) above-mentioned plate shearing machine back material stopping apparatus for automatically lifting is installed, screw rodb base and guide rod seat are fixed on upper tool post；Will
First directive wheel and reverse wheel are arranged on upper tool post the side near guide rod seat, are arranged on upper tool post by the second directive wheel and lean on
The side of nearly screw rodb base；It is fixed on link with steel wire rope one end, after the other end is fixed on first after walking around the first directive wheel
On backgauge assembly, then being fixed on link with steel cable one end, the other end is walked around reverse wheel and is walked around after 180 ° of commutations
It is fixed on after second directive wheel on the second back material stopping assembly；By convex for the slip on the first back material stopping assembly, the second back material stopping assembly
Rise and be connected with the U-lag guide rail link plate of upper tool post lower end；
2) arranging automatic control system, on upper tool post, the position near guide rod arranges the first travel switch and the second stroke
Switch, the distance between the first travel switch and the second travel switch is according to the first back material stopping assembly and the second back material stopping assembly institute
The distance that can rise determines；
3) original state is set, adjust guide rod distance screw rodb base farthest time be original state, now travel switch block with
First stroke switch contact；Adjust rope capacity, make the first back material stopping assembly and the second back material stopping assembly drop to minimum point；
4) back material stopping rises control automatically, starts driver, and driver drives screw mandrel rotates in screw, and screw pulls leads
Bar is close to screw rodb base, and now back material stopping rises, until travel switch block touches the second travel switch, driver power-off stops
Only, back material stopping rises to extreme higher position；
5) back material stopping declines control automatically, starts driver, and driver drives screw mandrel rotates in screw, and screw promotes and leads
Bar moves to away from screw rodb base direction, and now back material stopping declines, until travel switch block touches the first travel switch, drives
Device power-off stops, and back material stopping drops to initial position.
Preferably, described back material stopping is convex by the slip being arranged on the first back material stopping assembly and the second back material stopping assembly
Rise and complete, along the U-lag in U-lag guide rail link plate, the action that rises or falls.
3, beneficial effect
Compared to prior art, the invention have the benefit that
(1) screw mandrel screw motion in assembly of the invention uses driver drives screw rod box, then by steel wire rope through guiding
Wheel pulls back material stopping, simple in construction, and action is accurate, can lift back material stopping quickly and accurately, it is ensured that plate shearing machine completes big and long
The shearing of sheet material workpiece；
(2) assembly of the invention screw rod box includes screw rodb base, screw mandrel, guide rod and guide rod seat, and guide rod passes guide rod seat
Being connected with link, the other end is provided with screw；Screw mandrel one end is connected through screw rodb base with screw, and the other end is connected with driver,
Compact conformation, transmission is smooth, and efficiency is high, and production cost is low；
(3) assembly of the invention guide rod is provided with travel switch block, plays guide rod stroke limit induction of signal effect, from
And complete automatic hold function；
(4) assembly of the invention upper tool post lower end is provided with U-lag guide rail link plate, the first back material stopping assembly, the second back material stopping
Assembly is provided with the slide protrusion matched with U-lag on U-lag guide rail link plate, functions well as connection upper tool post and back material stopping
Effect, simultaneously back material stopping can be assisted to complete elevating function neatly；
(5) assembly of the invention driver is motor and worm reduction box, compact conformation, and transmission is accurate, and convenient
The layout of equipment；
(6) method of the present invention can automatically control back material stopping flexibly, accurately lift, to the production side of bringing of plate shearing machine
Just, especially at the sheet material that processing dimension specification is bigger, back material stopping produces and hinders, it is necessary in the case of removing back blocking beam,
This method avoids the repeated disassembled and assembled of equipment, decrease the damage of equipment, extend service life of equipment, and save work
Time, reduce the labor intensity of workman, bring large increase to production efficiency.
Accompanying drawing explanation
Fig. 1 is the perspective view of apparatus of the present invention；
Fig. 2 is apparatus of the present invention front views when not comprising upper tool post；
Fig. 3 is the top view of Fig. 2；
Structural representation when Fig. 4 is not comprise back material stopping and upper tool post in Fig. 2；
Fig. 5 is the upward view of Fig. 4；
Fig. 6 is the cross-sectional view of apparatus of the present invention screw rod box；
Fig. 7 is apparatus of the present invention position views on plate shearing machine.
In figure: 1, driver；2, screw rod box；3, link；5, the first directive wheel；4, reverse wheel；6, back material stopping；7, second
Directive wheel；8, upper tool post；9, the first back material stopping assembly；10, back blocking beam；11, the second back material stopping assembly；12, U-lag guide rail
Link plate；13, the first travel switch；14, the second travel switch；21, screw rodb base；22, screw；23, screw mandrel；24, guide rod；25, lead
Pole socket；26, travel switch block.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described below.
Embodiment 1
As shown in Fig. 1～Fig. 7, a kind of plate shearing machine back material stopping apparatus for automatically lifting, including back material stopping 6, upper tool post 8, drive
Device 1, screw rod box the 2, first directive wheel 5, reverse wheel 4 and the second directive wheel 7；Back material stopping 6 includes the first back material stopping assembly 9, backstop
Material crossbeam 10 and the second back material stopping assembly 11, the two ends of back blocking beam 10 respectively with first back material stopping assembly the 9, second back material stopping
Assembly 11 is vertically connected；Upper tool post 8 lower end is provided with U-lag guide rail link plate 12, first back material stopping assembly the 9, second back material stopping assembly
11 are provided with the slide protrusion matched with U-lag on U-lag guide rail link plate 12, first back material stopping assembly the 9, second back material stopping group
Part 11 is connected with the U-lag guide rail link plate 12 of upper tool post 8 lower end by slide protrusion；Driver 1 subtracts for motor and worm and gear
Speed case；Screw rod box 2 is fixed on upper tool post 8, and screw rod box 2 includes link 3, screw rodb base 21, screw mandrel 23, guide rod 24 and guide rod seat
25, guide rod 24 one end is connected through guide rod seat 25 with link 3, and the other end is provided with screw 22, and the outer surface of guide rod 24 is provided with row
Cheng Kaiguan block 26；Screw mandrel 23 one end is connected through screw rodb base 21 with screw 22, and the other end slows down with worm and gear in driver 1
Case outfan is connected；Link 3 is provided with two steel wire ropes, and wherein steel cable is through the first directive wheel 5 and back material stopping 6
First back material stopping assembly 9 is connected, after another steel cable sequentially passes through reverse wheel the 4, second directive wheel 7 and the second of back material stopping 6
Backgauge assembly 11 is connected；First directive wheel 5, reverse wheel 4 and the second directive wheel 7 are each attached on upper tool post 8.
A kind of plate shearing machine back material stopping automatic lifting method, the steps include:
1) above-mentioned a kind of plate shearing machine back material stopping apparatus for automatically lifting is installed, screw rodb base 21 and guide rod seat 25 are fixed on upper slitter
On frame 8；First directive wheel 5 and reverse wheel 4 are arranged on upper tool post 8 side near guide rod seat 25, the second directive wheel 7 is pacified
It is contained on upper tool post 8 side near screw rodb base 21；Being fixed on link 3 with steel wire rope one end, the other end is walked around first and is led
Being fixed on the first back material stopping assembly 9 after wheel 5, then be fixed on link 3 with steel cable one end, the other end is through commutation
Further around crossing the second directive wheel 7 after wheel 4 commutation 180 °, finally it is fixed on the second back material stopping assembly 11；By the first back material stopping assembly
9, in the slide protrusion on the second back material stopping assembly 11 snaps in the U-lag of U-lag guide rail link plate 12 of upper tool post 8 lower end, is made
One back material stopping assembly the 9, second back material stopping assembly 11 is connected with the U-lag guide rail link plate 12 of upper tool post 8 lower end；
2) automatic control system is set, upper tool post 8 arranges near the position of guide rod 24 first travel switch 13 and the
Two travel switches 14, the first travel switch 13 is connected with the motor in driver 1 through catalyst respectively with the second travel switch 14；
Distance between first travel switch 13 and the second travel switch 14 is equal to 500mm, the most corresponding first back material stopping assembly 9 or the
Two back material stopping assemblies 11 and step 1) described in the ultimate range that can rise of the junction point that is connected of two steel wire ropes be
500mm；
3) original state is set, adjusts guide rod 24 farthest apart from screw rodb base 21, be i.e. original state during distance 500mm, this
Time travel switch block 26 contact with the first travel switch 13；Adjust rope capacity, after making the first back material stopping assembly 9 and second
Backgauge assembly 11 drops to minimum point, and the i.e. first back material stopping assembly 9 and the second back material stopping assembly 11 are in level；
4) back material stopping 6 rises control automatically, starts the motor in driver 1, and motor rotates forward, the power of motor output
Driving screw mandrel 23 to rotate in screw 22 after worm reduction box speed change, screw 22 pulls guide rod 24 to lean on to screw rodb base 21
Closely, now back material stopping 6 by being arranged on the slide protrusion on the first back material stopping assembly 9 and the second back material stopping assembly 11 along U-shaped
U-lag in groove guide rail link plate 12 rises, until travel switch block 26 touches the second travel switch 14, motor is by catalyst
Controlling power-off to stop, back material stopping 6 rises to extreme higher position；
5) back material stopping 6 declines control automatically, starts the motor in driver 1, motor counter-rotating, the power of motor output
Driving screw mandrel 23 to rotate in screw 22 after worm reduction box speed change, screw 22 promotes guide rod 24 to away from screw rodb base 21
Direction is moved, and now back material stopping 6 is by being arranged on the slide protrusion edge on the first back material stopping assembly 9 and the second back material stopping assembly 11
The U-lag in U-lag guide rail link plate 12 to decline, until travel switch block 26 touches the first travel switch 13, driver 1
On motor by catalyst control power-off stop, back material stopping 6 drops to initial position.
The present invention can automatically control back material stopping flexibly, accurately lift, and brings conveniently to the production of plate shearing machine, especially
At the sheet material that processing dimension specification is bigger, back material stopping produces and hinders, it is necessary in the case of removing back blocking beam, this method is avoided
The repeated disassembled and assembled of equipment, decreases the damage of equipment, extends service life of equipment, and save labor time, reduces
The labor intensity of workman, brings large increase to production efficiency.
Claims (4)
1. a plate shearing machine back material stopping automatic lifting method, the steps include:
1) a kind of plate shearing machine back material stopping apparatus for automatically lifting is installed, screw rodb base (21) and guide rod seat (25) are fixed on upper tool post
(8) on；First directive wheel (5) and reverse wheel (4) are arranged on the upper side near guide rod seat (25) of upper tool post (8), by second
Directive wheel (7) is arranged on the upper side near screw rodb base (21) of upper tool post (8)；It is fixed on link (3) with steel wire rope one end,
The other end is fixed on after walking around the first directive wheel (5) on the first back material stopping assembly (9), then is fixed on even with steel cable one end
Connecing on frame (3), the other end further around crossing the second directive wheel (7), is finally fixed on the second back material stopping group after reverse wheel (4) commutates
On part (11)；U by the slide protrusion on the first back material stopping assembly (9), the second back material stopping assembly (11) Yu upper tool post (8) lower end
Shape groove guide rail link plate (12) connects；
2) automatic control system is set, arrange in the upper position near guide rod (24) of upper tool post (8) the first travel switch (13) and
Second travel switch (14), the distance between the first travel switch (13) and the second travel switch (14) is according to the first back material stopping group
The distance that part (9) and the second back material stopping assembly (11) can rise determines；
3) arranging original state, adjusting guide rod (24) when screw rodb base (21) is farthest is original state, now travel switch gear
Block (26) contacts with the first travel switch (13)；Adjust rope capacity, make the first back material stopping assembly (9) and the second back material stopping group
Part (11) drops to minimum point；
4) back material stopping (6) rises control automatically, starts driver (1), and driver (1) drives screw mandrel (23) in screw (22) inward turning
Turning, screw (22) pulls guide rod (24) close to screw rodb base (21), and now back material stopping (6) rises, until travel switch block
(26) touching the second travel switch (14), driver (1) power-off stops, and back material stopping (6) rises to extreme higher position；
5) back material stopping (6) declines control automatically, starts driver (1), and driver (1) drives screw mandrel (23) in screw (22) inward turning
Turning, screw (22) promotes guide rod (24) to move to away from screw rodb base (21) direction, and now back material stopping (6) declines, until stroke is opened
Closing block (26) and touch the first travel switch (13), driver (1) power-off stops, and back material stopping (6) drops to initial position.
A kind of plate shearing machine back material stopping automatic lifting method the most according to claim 1, it is characterised in that: described process is changed
The angle of the wire rope reverse after wheel (4) commutation is 180 °.
A kind of plate shearing machine back material stopping automatic lifting method the most according to claim 1, it is characterised in that: described the first row
Distance between Cheng Kaiguan (13) and the second travel switch (14) is equal to the first back material stopping assembly (9) and the second back material stopping assembly
(11) ultimate range that can rise.
A kind of plate shearing machine back material stopping automatic lifting method the most according to claim 1, it is characterised in that: described back material stopping
(6) slide protrusion by being arranged on the first back material stopping assembly (9) and the second back material stopping assembly (11) is hung along U-lag guide rail
U-lag in plate (12) completes the action risen or fallen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793961.1A CN106270750A (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping automatic lifting method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793961.1A CN106270750A (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping automatic lifting method |
| CN201510205151.5A CN104759684B (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping apparatus for automatically lifting |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510205151.5A Division CN104759684B (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping apparatus for automatically lifting |
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| CN106270750A true CN106270750A (en) | 2017-01-04 |
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| CN201610793961.1A Pending CN106270750A (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping automatic lifting method |
| CN201510205151.5A Active CN104759684B (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping apparatus for automatically lifting |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510205151.5A Active CN104759684B (en) | 2015-04-27 | 2015-04-27 | A kind of plate shearing machine back material stopping apparatus for automatically lifting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111761301A (en) * | 2020-05-28 | 2020-10-13 | 海宁赛维尼机电有限公司 | Method for manufacturing game machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106862629B (en) * | 2015-12-04 | 2018-10-09 | 安徽哈科数控机床制造有限公司 | A kind of rear material stopping device can automatic lifting plate shearing machine assembling and application method |
| CN105562810B (en) * | 2015-12-23 | 2018-01-12 | 广船国际有限公司 | The lazy-tongs and plate shearing machine of a kind of chain drive |
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| CN202398890U (en) * | 2011-12-30 | 2012-08-29 | 黄石华信机械设备有限公司 | Hydraulic lifting device for rear blocking beam of plate shearing machine |
| CN202850551U (en) * | 2012-10-13 | 2013-04-03 | 杭州大中泊奥科技有限公司 | Rapid two-layer lifting sidesway class stereo garage driven by motor-driven push rod |
| CN202971795U (en) * | 2012-12-25 | 2013-06-05 | 马新全 | Multilevel pipe-shaped linear motor-driven push rod |
| CN203184475U (en) * | 2013-03-21 | 2013-09-11 | 安徽中德机床股份有限公司 | Back material-stop system of automatic lifting numerical control bending machine |
| CN203278531U (en) * | 2013-05-06 | 2013-11-06 | 宁波市奉化润达医疗器械有限公司 | Control limit device of electronic push rod |
| CN203610773U (en) * | 2013-11-04 | 2014-05-28 | 江苏国力锻压机床有限公司 | Driving device for rear stock stop of hydraulic plate shearing machine |
| CN203992616U (en) * | 2014-08-08 | 2014-12-10 | 上海瑞铁数控机床有限公司 | The automatic lifting mechanism of back striker plate of plate shearing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111761301A (en) * | 2020-05-28 | 2020-10-13 | 海宁赛维尼机电有限公司 | Method for manufacturing game machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759684B (en) | 2017-03-01 |
| CN104759684A (en) | 2015-07-08 |
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Application publication date: 20170104 |