CN110126344B - Mechanical press closed height adjusts electromechanical protection device - Google Patents
Mechanical press closed height adjusts electromechanical protection device Download PDFInfo
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- CN110126344B CN110126344B CN201910456212.3A CN201910456212A CN110126344B CN 110126344 B CN110126344 B CN 110126344B CN 201910456212 A CN201910456212 A CN 201910456212A CN 110126344 B CN110126344 B CN 110126344B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/28—Arrangements for preventing distortion of, or damage to, presses or parts thereof
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Abstract
The pressure machine closed height of this machinery adjusts electromechanical protection device; it is related to mechanical press field; including being equipped with the limit block piece moved with adjusting screw rod in adjusting screw rod lower end; the annular axis platform of two brakings is vertically equipped at intervals on the outside of limit block piece; it is equipped on the outside of connector with the cooperation of limit block piece for detecting the travel switch of the adjusting screw rod operation stroke; travel switch is arranged between two brake hoop shape axis platforms, and travel switch is connect with controller；The locating piece with limit block piece cooperation limit is additionally provided on the outside of connector, boss is installed in one of them in limit block piece and locating piece, the cyclic annular platform of two protrusions is vertically equipped at intervals on another, boss setting is between the cyclic annular platform of two protrusions, spacing between less than two cyclic annular platforms of protrusion of spacing between the annular axis platform of two brakings.It realizes duplicate protection using mechanically and electrically device, can carry out mechanical protection in the way of mechanical damage formula in the case where electric prospection failure, have the advantages that safe and reliable.
Description
Technical field
The present invention relates to mechanical press technical field more particularly to mechanical press closed height adjustment mechanical and electrical protection dresses
It sets.
Background technique
Press machine mold close height refer to crank reach bottom dead centre when, between sliding block bottom surface and work top away from
From to adapt to different Sheet Metal Forming Technology requirements.The adjusting screw rod for being screwed into connecting rod lower end by rotation is long come the stretching for changing screw rod
Degree, so as to adjust the closed height of mold.The adjusting screw rod of existing mechanical press generallys use motor driven worm and gear,
Worm and gear drives adjusting screw rod rotation, and adjusting screw rod can carry out rotation and upper and lower telescopic moving relative to connecting rod, and drive cunning
Block moves in a straight line up and down, and then needs for sliding block to be adjusted to suitable position according to mold, and closed height is aobvious in displacement
It is shown on number device or touch screen.As shown in figure 19, and as the long-time of press machine uses, press machine produces at work
Raw vibration, it is possible to make to be displaced digital indicator damage or touch screen failure, once operator continues to carry out according to the data of mistake
Closed height adjustment, it will biggish loss is caused to press machine and product, gently then causes the product quality of production unqualified, weight
Then since closed height adjustment fault leads to serious accident, in actual production, such problems is relatively more, such as due to
Closed height leads to that sliding block lifting lug is dragged or balancer piston rod is pulled off or ejects when being more than Upper-lower Limit, causes to slide
Block, which is fallen, smashes mold.However, the closed height adjustment of current most of mechanical press lacks necessary safeguard measure, make
When it cannot carry out closed height adjustment to press machine in the case where being displaced digital indicator damage or touching electric appliance failure
Position limitation protection.Therefore, designing a kind of closed height adjustment protective device becomes current urgent problem to be solved.
It should be noted that above content belongs to the technology category of cognition of inventor, the prior art is not necessarily constituted.
Summary of the invention
The present invention provides mechanical press closed heights to adjust electromechanical protection device, it is realized double using mechanically and electrically device
It protects again, and mechanical protection can be carried out in the way of mechanical damage formula in the case where electric prospection failure, there is safety
Reliable advantage so that mechanical press closed height adjustment it is more safe and accurate, ensure that mechanical press safety,
Reliability solves the problems of the prior art.
Used technical solution is the present invention to solve above-mentioned technical problem:
Mechanical press closed height adjusts electromechanical protection device, including adjusting screw rod, the adjusting screw rod are mounted on company
On fitting, the connector is connecting rod or thread bush, and the adjusting screw rod lower end is equipped with the limit moved with adjusting screw rod
Position block piece, on the outside of the limit block piece on be vertically equipped at intervals with the annular axis platforms of two brakings, the connector outside equipped with and system
The cooperation of rotating ring shape axis platform will brake annular axis platform and be set as annular for detecting the travel switch of the adjusting screw rod operation stroke
Purpose be can ensure limit block piece when rotating to any position, travel switch can play electric appliance position-limiting action.It is described
Travel switch is arranged between two brake hoop shape axis platforms, and the annular axis platform of two brakings can be mobile with adjusting screw rod in limit block piece
During touched with travel switch, travel switch issues limit control signal, and the travel switch connect with controller, stroke
Limit control signal is passed to controller by switch, and controller can drive the motor of adjusting screw rod movement to stop turning by control
It moves to control mold and adjust no more than two spacing braked between annular axis platforms of height, plays and mold close height is carried out
The effect of first weight position limitation protection.
The locating piece with limit block piece cooperation limit is additionally provided on the outside of the connector, in the limit block piece and locating piece
One of them on boss is installed, the cyclic annular platforms of two protrusions are vertically equipped at intervals on another, the boss is arranged at two
Between raised ring-type platform, its purpose is in the case where travel switch limits control failure, motor will continue to drive for setting
Adjusting screw rod movement, when more than limiting safe distance opposite between block piece and locating piece, locating piece is touched with limit block piece
It hits and severs the cyclic annular platform of protrusion limited inside block piece, generate abnormal sound alarm, play and the second weight is carried out to mold close height
The effect of position limitation protection；Meanwhile between the annular axis platforms of two brakings between the cyclic annular platform of the spacing protrusion described less than two between
Away from, it is first so to can be realized electric prospection, after electric prospection failure, the posterior duplicate protection of mechanical protection.
It further include bracket, the bracket is L-shaped structure, and the outer circle of the connector is arranged in the horizontal segment of the bracket
On, the travel switch is vertically set in the bracket vertical section.
Preferably, the limit block piece limits dead block by muti-piece, be circumferentially uniformly arranged along the adjusting screw rod outer wall and
At, and limit on non-threaded section of the bottom end that the adjusting screw rod is arranged in dead block.
Preferably, outer wall circumferential direction uniform intervals of the locating piece by muti-piece locating piece along the connector are arranged,
The setting number of the locating piece is identical as the number of the dead block of limit.
Preferably, the dead block of the limit and the locating piece are sector structure.By locating piece and limit dead block setting
It enables to limit the central angle of dead block on the central axes of adjusting screw rod for multiple fan-shaped block structures, while to fix
The central angle of block avoids on the central axes of connector because setting locating piece and the dead block of limit to whole cyclic structure and bringing
Central axes cannot centering bring bias well problem.
Preferably, the circumferential arc length of the locating piece is greater than the spacing between the two neighboring dead block of limit, so can
Guarantee that the boss rotation any position on the outside of locating piece moves between the cyclic annular platforms of two protrusions all on the inside of the dead block of limit.
In one embodiment, the bottom end of the locating piece, two cyclic annular platform settings of protrusion are arranged in the boss
At the both ends of each limit block piece, the boss setting is between two cyclic annular platforms of protrusion.
In one embodiment, the top of the limit block piece is arranged in the boss, and two cyclic annular platforms of protrusion are set
It sets at the both ends of each locating piece, the boss setting is between two cyclic annular platforms of protrusion.
Preferably, the controller is PLC controller.
Preferably, the distance between two described cyclic annular platforms of protrusion be equal to the adjusting screw rod movement travel and safety away from
The sum of from, the safe distance is 5-10mm, and the safe distance is the protrusion cyclic annular the distance between platform and the boss.
The present invention realizes duplicate protection using mechanically and electrically device, and machinery can be utilized in the case where electric prospection failure
The mode of damage type carries out mechanical protection, have the advantages that it is safe and reliable so that mechanical press closed height adjustment more pacify
Entirely, safety, reliability and the service performance of mechanical press accurately, be ensure that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that adjusting screw rod is moved to limes superiors in the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram that adjusting screw rod is moved to limit inferior in the embodiment of the present invention 1；
Fig. 3 is the enlarged drawing in Fig. 1 at X；
Fig. 4 is the enlarged drawing in Fig. 2 at Y；
Fig. 5 is the sectional view of C-C in Fig. 1；
Fig. 6 is the perspective view that dead block is limited in Fig. 3；
Fig. 7 is the top view that the direction of arrow meaning is pressed in Fig. 6；
Fig. 8 is the perspective view of locating piece in Fig. 3；
Fig. 9 is the structural schematic diagram that adjusting screw rod is moved to limes superiors in the embodiment of the present invention 2；
Figure 10 is the structural schematic diagram that adjusting screw rod is moved to limit inferior in the embodiment of the present invention 2；
Figure 11 is the enlarged drawing at the A in Fig. 9；
Figure 12 is the enlarged drawing at the B in Figure 10；
Figure 13 is the sectional view of D-D in Fig. 9；
Figure 14 is the structural schematic diagram of the dead block of limit in Fig. 9；
Figure 15 is the perspective view that Figure 14 limits dead block；
Figure 16 is the perspective view of locating piece in Fig. 9；
Figure 17 is the perspective view of bracket of the invention；
Figure 18 is the attachment structure schematic diagram of the invention applied between adjusting screw rod and thread bush；
Figure 19 is the connection schematic diagram of prior art slider and balancer.
In figure, 1, adjusting screw rod, 2, connecting rod, 3, the dead block of limit, 301, the annular axis platform of braking, 302, the cyclic annular platform of protrusion,
4, travel switch, 5, bracket, 6, locating piece, 601, boss, 7, thread bush.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment and in conjunction with attached drawing, to the present invention
It is described in detail.
Embodiment 1
As shown in figures 1-8, mechanical press closed height adjusts electromechanical protection device, including adjusting screw rod 1, the adjusting
Screw rod 1 is mounted on connector, and the connector is connecting rod 2 or thread bush 7, and adjusting screw rod and thread bush are connected as existing skill
Art, as shown in figure 18,1 lower end of adjusting screw rod are equipped with the limit block piece moved with adjusting screw rod 1, the limiting block
It is vertically equipped at intervals with the annular axis platform 301 of two brakings on the outside of part, is equipped on the outside of the connector and matches with the annular axis platform 301 of braking
It shares in detection, the adjusting screw rod 1 runs the travel switch 4 of stroke, will brake annular axis platform 301 and is set as annular purpose
It is that can ensure to limit block piece when rotating to any position, travel switch 4 can play electric appliance position-limiting action.The stroke is opened
It closes 4 to be arranged between two brake hoop shape axis platforms 301, the annular axis platform 301 of two brakings can be moved in limit block piece with adjusting screw rod 1
It is touched in dynamic process with travel switch 4, travel switch 4 issues limit control signal, and the travel switch 4 connects with controller
It connects, which is arranged in the outside of mechanical press, is not drawn into this attached drawing, and travel switch 4 passes limit control signal
Pass controller, the motor that controller can drive adjusting screw rod 1 to move by control (motor is not drawn into the accompanying drawings)
It stops operating to control mold and adjust no more than two spacing braked between annular axis platforms 301 of height, plays and mold is sealed
Close the effect that height carries out the first weight position limitation protection.
The locating piece with limit block piece cooperation limit is additionally provided on the outside of the connector, in the limit block piece and locating piece
One of them on boss 601 is installed, the cyclic annular platforms 302 of two protrusions are vertically equipped at intervals on another, the boss 601 is set
It sets between two cyclic annular platforms 302 of protrusion, its purpose is in the case where travel switch 4 limits control failure (for setting
One heavy shielding failure), motor will continue to that adjusting screw rod 1 is driven to move, the safety opposite more than between limit block piece and locating piece
Apart from when, locating piece collides with limit block piece and severs the cyclic annular platform 302 of one of protrusion limited on the inside of block piece, produces
Raw abnormal sound alarm is played the role of carrying out mold close height the second weight position limitation protection.
Meanwhile between the annular axis platforms 301 of two brakings between the cyclic annular platform 302 of the spacing protrusion described less than two between
Away from, it is first so to can be realized electric prospection, after electric prospection failure, the posterior duplicate protection of mechanical protection.
Further include bracket 5, as shown in figure 17, which is L-shaped structure, the horizontal segment vertical connections of bracket 5 it is outer
The distance between wall, the central axes of vertical section parallel links, and vertical section and 1 central axes of adjusting screw rod, which are greater than, limits dead block
The distance between 3 and 1 central axes of adjusting screw rod limit the distance between dead block 3 and 1 central axes of adjusting screw rod greater than locating piece
The distance between 5 and 1 central axes of adjusting screw rod, the travel switch 4 is vertically set in the vertical section of bracket 5, so that stroke
Switch 4 can be contacted with annular axis platform 301 is braked.
Further, the limit block piece is circumferentially uniformly arranged by three pieces of dead blocks 3 of limit along 1 outer wall of adjusting screw rod
For cyclic structure, or in other preferred embodiments, three pieces of dead blocks of limit are along 1 outer wall circumferential direction uniform intervals of adjusting screw rod
It is arranged, above three limits on non-threaded section of the bottom end that the adjusting screw rod 1 is arranged in dead block 3, certainly, at other
In preferred embodiment, it can also will limit dead block 3 and be set as four pieces, five pieces of equal more muti-pieces.Meanwhile in each dead block of limit
The cyclic annular platform 302 of protrusion there are two being all provided on 3, and it is separately positioned on the upper and lower ends for limiting dead 3 inside of block.
Further, outer wall circumferential direction uniform intervals of the locating piece by three pieces of locating pieces 6 along connector are arranged, fixed
The setting number of position block 6 is identical as the number for limiting dead block 3, and locating piece 5 can also be arranged in other preferred embodiments
It is four pieces, five pieces of equal more muti-pieces, while a boss 601 is equipped on each locating piece 6, the boss 601 setting is positioning
The bottom end in the outside of block 6, the boss 601 on locating piece 6 are arranged between the cyclic annular platforms 302 of two protrusions on the dead block 3 of limit, In
Under normal circumstances, boss 601 relatively moves adjusting screw rod 1 between the cyclic annular platform 302 of two protrusions.Above-mentioned locating piece 5 can simultaneously
Four pieces are set as, five pieces of equal more muti-pieces.Dead block 3 and the locating piece 5 of limiting is sector structure.By locating piece 5 and limit
The dead block 3 in position is set as multiple fan-shaped block structures and enables to the central angle for limiting dead block 3 in the central axes of adjusting screw rod 1
On, while making the central angle of locating piece 5 on the central axes of connector, it avoids because locating piece 5 and the dead block 3 of limit to be arranged
For whole cyclic structure bring central axes cannot centering bring bias well problem, while the side that this muti-piece splices
The more convenient maintenance of formula, replacement.
Further, the circumferential arc length of the locating piece 5 is greater than the spacing between the two neighboring dead block 3 of limit, so
It can guarantee that the boss 601 in 5 outside of locating piece rotates any position all in the cyclic annular platform of two protrusions for limiting dead 3 inside of block
It is moved between 302.
Preferably, the controller is PLC controller.
Preferably, the distance between two described cyclic annular platforms 302 of protrusion are equal to the movement travel and peace of the adjusting screw rod 1
The sum of full distance, the safe distance are 5-10mm, and the safe distance is the cyclic annular platform 302 of the protrusion and the boss 601
The distance between.
The working process of this embodiment is as follows:
It is required according to the different punching presses of press machine, needs to adjust the mold close height of press machine, start motor, motor band
Dynamic worm and gear, worm and gear drive adjusting screw rod 1 to rotate, the rotation of 1 opposite joints of adjusting screw rod, and move along its axis,
Adjusting screw rod 1 is mobile to drive the dead block 3 of limit to move up and down, and limits the braking annular axis platform of the upper and lower ends in dead 3 outside of block
301 can also move up and down.When the braking annular axis platform 301 that the dead block 3 of limit is moved up to upper end is touched with travel switch 4, row
Cheng Kaiguan 4 issues limit control signal and passes to controller, and controller controls motor stalls, and adjustment screw 1 stops moving
It is dynamic, and then protecting pressure machine closed height is more than that desired height prevents safety accident；It is displaced downwardly to down when limiting dead block 3
When the braking annular axis platform 301 at end is touched with travel switch 4, travel switch 4 issues limit control signal and passes to controller,
Controller controls motor stalls, and adjustment screw 1 stops movement, and then protecting pressure machine closed height is more than desired height
Prevent safety accident；First heavy position limitation protection is carried out to mold close height.
After failure occurs for travel switch 4, motor will continue to drive adjusting screw rod 1 mobile, when adjustment height is more than limit
Between dead block 3 and locating piece 6 when opposite safe distance, locating piece 6 and the dead block 3 of limit collide and will limit dead gear
The cyclic annular platform 302 of one of protrusion of 3 inside of block severs, and generates abnormal sound alarm, carries out second to mold close height and limit again
Protection.
Embodiment 2
The present embodiment is to the replacement limited in the structure that dead block 3 and locating piece 6 are made in embodiment 1, specific knot
Structure is
As shown in figures 9 to 16, boss 601 is arranged one, the top for limiting dead 3 inside of block is arranged in boss 601；It is convex
It plays cyclic annular platform 302 and is arranged two, the both ends in 6 outside of locating piece are arranged in the cyclic annular platform 302 of two protrusions, and a boss 601 is set
It sets between two cyclic annular platforms 302 of protrusion.It is so also able to achieve in the case where travel switch 4 limits control failure, electricity
Chance continues that adjusting screw rod 1 is driven to move, and when more than limiting safe distance opposite between dead block 3 and locating piece 6, limit is dead
It collides between the cyclic annular platform 302 of protrusion on boss 601 on block 3 and locating piece 3 and by wherein the one of 6 outside of locating piece
A cyclic annular platform 302 of protrusion severs, and generates abnormal sound alarm, plays the role of protecting mold close height progress second again.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or transformation made to embodiment of the present invention are fallen within the scope of protection of the present invention.
Place is not described in detail by the present invention, is the well-known technique of those skilled in the art of the present technique.
Claims (10)
1. mechanical press closed height adjusts electromechanical protection device, including adjusting screw rod, the adjusting screw rod are mounted on connection
On part, the connector is connecting rod or thread bush, which is characterized in that the adjusting screw rod lower end is equipped with adjusting screw rod
The limit block piece of movement, on the outside of the limit block piece on be vertically equipped at intervals with the annular axis platforms of two brakings, the connector outside
Equipped with, for detecting the travel switch of the adjusting screw rod operation stroke, the travel switch setting is two with the cooperation of limit block piece
It brakes between annular axis platform, the travel switch is connect with controller；
The locating piece with limit block piece cooperation limit is additionally provided on the outside of the connector, in the limit block piece and locating piece
Boss is installed on one of them, the cyclic annular platforms of two protrusions are vertically equipped at intervals on another, the boss setting is convex at two
It rises between cyclic annular platform, spacing between the cyclic annular platform of the spacing protrusion described less than two between the annular axis platform of two brakings.
2. mechanical press closed height according to claim 1 adjusts electromechanical protection device, which is characterized in that further include
Bracket, the bracket is L-shaped structure, and the bracket is equipped with the mounting base connecting with the outer circle of the connector, and described
Travel switch is vertically arranged on the bracket.
3. mechanical press closed height according to claim 1 adjusts electromechanical protection device, which is characterized in that the limit
Position block piece limits dead block by muti-piece and is circumferentially uniformly arranged along the adjusting screw rod outer wall, and limits dead block and be arranged in institute
It states on non-threaded section of adjusting screw rod.
4. mechanical press closed height according to claim 3 adjusts electromechanical protection device, which is characterized in that described fixed
Outer wall circumferential direction uniform intervals of the position part by muti-piece locating piece along the connector are arranged, the setting number of the locating piece with
The number of the dead block of limit is identical.
5. mechanical press closed height according to claim 4 adjusts electromechanical protection device, which is characterized in that the limit
The dead block in position and the locating piece are sector structure.
6. mechanical press closed height according to claim 5 adjusts electromechanical protection device, which is characterized in that described fixed
The circumferential arc length of position block is greater than the spacing between the two neighboring dead block of limit.
7. mechanical press closed height according to claim 1 adjusts electromechanical protection device, which is characterized in that described convex
The bottom end of the locating piece is arranged in platform, and the both ends of each limit block piece are arranged in two cyclic annular platforms of protrusion, described
Boss setting is between two cyclic annular platforms of protrusion.
8. mechanical press closed height according to claim 1 adjusts electromechanical protection device, which is characterized in that described convex
The top of the limit block piece is arranged in platform, and the both ends of each locating piece are arranged in two cyclic annular platforms of protrusion, described
Boss setting is between two cyclic annular platforms of protrusion.
9. mechanical press closed height according to claim 1 adjusts electromechanical protection device, which is characterized in that the control
Device processed is PLC controller.
10. mechanical press closed height according to claim 7 or 8 adjusts electromechanical protection device, which is characterized in that two
The distance between a described cyclic annular platform of protrusion is equal to the sum of movement travel and safe distance of the adjusting screw rod, the safety away from
From for 5-10mm, the safe distance is the protrusion cyclic annular the distance between platform and the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456212.3A CN110126344B (en) | 2019-05-29 | 2019-05-29 | Mechanical press closed height adjusts electromechanical protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910456212.3A CN110126344B (en) | 2019-05-29 | 2019-05-29 | Mechanical press closed height adjusts electromechanical protection device |
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| CN110126344A CN110126344A (en) | 2019-08-16 |
| CN110126344B true CN110126344B (en) | 2019-11-29 |
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| CN201910456212.3A Active CN110126344B (en) | 2019-05-29 | 2019-05-29 | Mechanical press closed height adjusts electromechanical protection device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3364073B2 (en) * | 1995-12-27 | 2003-01-08 | ワイケイケイ株式会社 | Manufacturing method of press-formed product |
| CN201565545U (en) * | 2009-12-25 | 2010-09-01 | 江苏省徐州锻压机床厂集团有限公司 | Closing height adjusting mechanism of press |
| CN101934240A (en) * | 2010-08-07 | 2011-01-05 | 湖北宜都宜运机电工程有限公司 | Gear sheet hammer type crusher |
| CN204079104U (en) * | 2014-07-16 | 2015-01-07 | 宝钢集团新疆八一钢铁有限公司 | Torque motor tension force fender guard |
| CN203994833U (en) * | 2014-08-20 | 2014-12-10 | 沃得重型机床（中国）有限公司 | crank press closed height adjusting device |
| CN204913075U (en) * | 2015-08-31 | 2015-12-30 | 樊建 | Machine electric protection device |
| CN206312774U (en) * | 2016-12-08 | 2017-07-07 | 济南二机床集团有限公司 | A kind of limit switch trigger mechanism |
| CN106926511B (en) * | 2017-05-11 | 2018-06-29 | 荣成华东锻压机床股份有限公司 | The protection of mechanical press electromechanical overload and stretching device and method |
| CN207525715U (en) * | 2017-11-12 | 2018-06-22 | 江苏润源水务设备有限公司 | A kind of screw open-close machine crosses limiting and protecting device |
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2019
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Effective date of registration: 20230523 Address after: No.59 Xingye Road, Rongcheng City, Weihai City, Shandong Province, 264300 Patentee after: RONGCHENG HUADONG METAL-FORMING MACHINERY CO.,LTD. Address before: No.59 Xingye Road, Rongcheng City, Weihai City, Shandong Province, 264300 Patentee before: RONGCHENG HUADONG METAL-FORMING MACHINERY CO.,LTD. Patentee before: Yan Haozhe |
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Denomination of invention: Mechanical press enclosed height adjustment electromechanical protection device Granted publication date: 20191129 Pledgee: China Construction Bank Corporation Rongcheng Sub-branch Pledgor: RONGCHENG HUADONG METAL-FORMING MACHINERY CO.,LTD. Registration number: Y2024980028123 |
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