CN204505888U - A kind of slide unit hydraulic press - Google Patents
A kind of slide unit hydraulic press Download PDFInfo
- Publication number
- CN204505888U CN204505888U CN201520056491.1U CN201520056491U CN204505888U CN 204505888 U CN204505888 U CN 204505888U CN 201520056491 U CN201520056491 U CN 201520056491U CN 204505888 U CN204505888 U CN 204505888U
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- slide unit
- plate
- cylinder
- hydraulic
- lower plate
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Abstract
The utility model discloses a kind of slide unit hydraulic press, comprise frame, upper plate, middle plate, lower plate, hydraulic cylinder, guide pillar, slide unit assembly, switch module, hollow type post, safe grating, blinds are sealed up a door, double startup box, fuel tank, electric cabinet; Described frame is provided with base plate and substrate, and hydraulic pressure platform is provided with upper plate, middle plate, lower plate by guide pillar; Described lower plate is locked to pay and is fixedly installed slide unit assembly, and described upper plate and lower plate right front ends are equipped with switch module; About described hydraulic pressure platform front, two sides are vertically equipped with two hollow type posts, and described hollow type post is fixedly installed safe grating relatively; Be provided with double startup box before described substrate, described base plate is provided with fuel tank, motor pump and magnetic valve group; Described power house is provided with blinds and seals up a door and Qianmen, and described power house side is provided with control cabinet; This novel pneumatic slip die holder and hollow type post heat dissipation channel, improve heat spreader effect, improves continuous seepage ability.
Description
Technical field
The utility model relates to a kind of hydraulic press technical equipment field, particularly a kind of slide unit hydraulic press.
Background technology
The type of hydraulic press is a lot, usually various PC is applied to, PVC, the thin film switch male and fomale(M&F)s such as PET are shaping, also can be used for other metals (nonmetal) hot-forming, being applicable to the trimming of various aluminium alloy (almag) die casting, water dividing gap, cutting the processing technologys such as cinder ladle, is the semi-automatic processing production equipment of machinery; Also can be used for the industry such as pressing, trimming, assembling, punching press of other handware assembling, riveted, punch forming and non-metallic products.Along with the development of society, technology is in continuous progress, and cost of labor increases, and awareness of safety improves; Machining equipment requires the personal safety with the safety protection facility, particularly equipment operator of higher standard, is more and more subject to the attention of incorporated business.
In prior art, four post three-plate type hydraulic press equipment, in hydraulic pressure trimming operation, operating personnel's workbench is fixed, and protection Design is unreasonable, and operating personnel need hand to protrude in operating desk, just can carry out replacement of products, and the accident that usually can damage occurs; In petrol station, cooling effect is undesirable, and affect the processing of complete machine consecutive production, working (machining) efficiency is low.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of slide unit hydraulic press, for deficiency of the prior art, arranges a kind of sliding desk type pneumatic control slip die holder, during each replacement of products, automatic sliding out, fundamentally avoids the danger that operating personnel occur to injure, and optimizes the runner of hot-air in petrol station, improve hot-air conducting, guarantee heat radiation and the cooling effect of petrol station, improve continuous seepage working ability, enhance productivity.
For achieving the above object, the technical solution of the utility model is as follows: a kind of slide unit hydraulic press, comprise frame, upper plate, middle plate, lower plate, hydraulic cylinder, guide pillar, slide unit assembly, switch module, hollow type post, safe grating, blinds sealed up a door, double startup box, hydralic pressure gauge, fuel tank, motor pump, magnetic valve group, source of the gas assembly, oil pipe line, electric cabinet, slide unit base plate, gib block, slip die holder, floating junction, cylinder, cylinder block, fixed block, buffer, caging bolt, it is characterized in that:
Described frame is welded by metal side tube and is formed, and be provided with base plate bottom described frame, middle part is provided with substrate, and described substrate top is divided into hydraulic pressure platform, and bottom is divided into power house; Described hydraulic pressure platform is provided with upper plate, middle plate, lower plate by four guide pillar assemblings; Described upper plate and lower plate are fixed, and described middle plate is actively socketed on described guide pillar, and described middle plate is fixedly connected with the piston of hydraulic cylinder, and described hydraulic cylinder is arranged at above described upper plate, and described hydraulic cylinder front portion is provided with hydralic pressure gauge; Described lower plate is locked to pay and is fixedly installed slide unit assembly, and described upper plate and lower plate right front ends are equipped with switch module; About described hydraulic pressure platform front, two sides are vertically equipped with two hollow type posts, and described hollow type post is fixedly installed safe grating relatively; Described substrate front is welded and fixed and is provided with double startup box, and described double startup box is triangular multi-face box body, and center, its inclined-plane is provided with the button that rises suddenly, described in button two side that rises suddenly be provided with and two open button; Described base plate is provided with fuel tank, and described fuel tank is fixedly installed motor pump and magnetic valve group, oil pump is communicated with described hydraulic cylinder by oil pipe line; Be provided with blinds on rear side of about described power house to seal up a door, front is provided with Qianmen, is provided with pin cup below described base plate, and the side of described power house is fixedly installed the gentle source component of electric cabinet, described electric cabinet and motor pump, fuel tank, proximity switch, magnetic valve group, double startup box, hydraulic cylinder, cylinder, hydralic pressure gauge, oil pipe line electric signal connect.
Described hollow type post is aluminium section bar, and is fixedly connected with on the substrate, and described hollow type post is through described substrate, and its hollow core portion is communicated with described power house, and the thermal current in described power house is discharged upward by described hollow type post.
Described slide unit assembly comprises slide unit base plate, gib block, slip die holder, floating junction, cylinder, cylinder block, fixed block, buffer, caging bolt; Described slide unit base plate is paid by lock and is fixed in described lower plate, and be relatively spirally connected about described gib block and be fixedly installed on described slide unit base, described gib block is arranged with two in parallel, and described slip die holder slides and is connected in described gib block; Described slip die holder front is fixedly connected with described floating junction, described floating junction and cylinder piston affixed, described cylinder is spirally connected by described cylinder block and is fixed on the front end of described slide unit base plate, and described cylinder is communicated with compressed air source by tracheae; On described slide unit base plate, floating junction two side is spirally connected and is fixedly installed two fixed blocks, described fixed block is provided with buffer and caging bolt, and described buffer and caging bolt be spacing and buffering to described slip die holder.
Described switch module comprises mount pad, mounting rod, mounting blocks, knob bolt, proximity switch; Described mount pad is provided with two, is spirally connected respectively and is vertically fixed on described upper plate and the right front end face of lower plate; Mounting rod is provided with in described mount pad, on described mounting rod, socket is provided with three mounting blocks, described mounting blocks is provided with knob bolt, described knob bolt regulates the position of described mounting blocks on described mounting rod, described mounting blocks is equipped with proximity switch, and described proximity switch is controlled by the hydraulic position of control cabinet centering plate.
Operation principle of the present utility model is: adopt four post three-plate type hydraulic structures, described middle plate is driven by hydraulic cylinder knee-action and is coordinated by four guide pillars accurate from moistening copper sheathing as guiding, the vertical precision of guiding is high, and realizes advanced positions up and down and the fast slow-action joint of hydraulic press by proximity switch and control cabinet; Power house adopts hydraulic package and magnetic valve group to control, and pressure stability is durable in use; Fast downlink can be reached, slow pressurization, zooming effect; Enhance productivity, the double effects of protection mould and product; The power house that fuel tank is placed in frame is inner, and reduce and take up an area space, outward appearance is lightly attractive in appearance; Oil circuit loop design is easy, and horsepower demand is little, and maintenance easily, has effects of energy conservation and environmental protection; Adopt oil circuit technology of closed loop, mold can not glide automatically, improves safety coefficient; Employing is two opens button, and rise suddenly button, and install safe grating; Upper and lower pressing action is realized by hydraulic control by control cabinet; Comprise motor pump, fuel tank, proximity switch, magnetic valve group, hydraulic cylinder, oil pipe line, hydralic pressure gauge is all connected with described control cabinet electric signal, mold is assembled on middle plate, bed die is assembled in lower plate, and workman places product to bed die, presses two to open button, mold presses down automatically, completes product and automatically processes; If workman's hand does not leave mould or product, safe grating is responded to automatically, machine akinesia; If fault met by machine, workman presses the button that rises suddenly at once, and hydraulic cylinder drives patrix to rise at once, and machine stops action; Sealed up a door by the blinds on rear side of left and right in power house and ventilate, hot inside air is derived via the hollow type post of front side, and form thermal current passway, cooling heat dissipation is effective.
Pass through technique scheme, the beneficial effect of technical solutions of the utility model is: arrange a kind of sliding desk type pneumatic control slip die holder, during each replacement of products, automatic sliding out, fundamentally avoid the danger that operating personnel occur to injure, adopt oil circuit technology of closed loop, mold can not glide automatically, improves hydraulic press misoperation safety coefficient; Adopt and start box configuration both hands start button and the press button that rises suddenly, and install safe grating, many measures improve the security of operative; Design blinds is sealed up a door and heat-dissipating channel structure, improves the runner of hot-air in petrol station, improves hot-air conducting, guarantees heat radiation and the cooling effect of petrol station, improves continuous seepage working ability, enhances productivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of slide unit hydraulic press perspective view disclosed in the utility model embodiment;
Fig. 2 is side schematic view before a kind of slide unit hydraulic press disclosed in the utility model embodiment;
Fig. 3 is side schematic view after a kind of slide unit hydraulic press disclosed in the utility model embodiment;
Fig. 4 is A place partial enlarged drawing in the utility model embodiment Fig. 3.
Numeral and the corresponding component title represented by letter in figure:
1. plate 4. lower plate in frame 2. upper plate 3.
5. hydraulic cylinder 6. guide pillar 7. slide unit assembly 8. switch module
9. hollow type post 10. safe grating 11. blinds is sealed up a door 12. double startup boxes
13. hydralic pressure gauge 14. fuel tank 15. motor pump 16. magnetic valve groups
17. source of the gas assembly 18. oil pipe line 19. electric cabinet 20. slide unit base plates
21. gib blocks 22. slide die holder 23. floating junction 24. cylinder
25. cylinder block 26. fixed block 27. buffer 28. caging bolts
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the utility model provides a kind of slide unit hydraulic press, comprises frame 1, upper plate 2, middle plate 3, lower plate 4, hydraulic cylinder 5, guide pillar 6, slide unit assembly 7, switch module 8, hollow type post 9, safe grating 10, blinds seal up a door 11, double startup box 12, hydralic pressure gauge 13, fuel tank 14, motor pump 15, magnetic valve group 16, source of the gas assembly 17, oil pipe line 18, electric cabinet 19, slide unit base plate 20, gib block 21, slip die holder 22, floating junction 23, cylinder 24, cylinder block 25, fixed block 26, buffer 27, caging bolt 28.
Described frame 1 is welded by metal side tube and is formed, and be provided with base plate bottom described frame 1, middle part is provided with substrate, and described substrate top is divided into hydraulic pressure platform, and bottom is divided into power house; Described hydraulic pressure platform is provided with upper plate 2, middle plate 3, lower plate 4 by four guide pillar 6 assemblings; Described upper plate 2 is fixed with lower plate 4, and described middle plate 3 is actively socketed on described guide pillar 6, and described middle plate 3 is fixedly connected with the piston of hydraulic cylinder 5, and described hydraulic cylinder 5 is arranged at above described upper plate 2, and described hydraulic cylinder 5 front portion is provided with hydralic pressure gauge 13; Described lower plate 4 is locked to pay and is fixedly installed slide unit assembly 7, and described upper plate 2 and lower plate 4 right front ends are equipped with switch module 8; About described hydraulic pressure platform front, two sides are vertically equipped with two hollow type posts 9, and described hollow type post 9 is fixedly installed safe grating 10 relatively; Described substrate front is welded and fixed and is provided with double startup box 12, and described double startup box 12 is triangular multi-face box body, and center, its inclined-plane is provided with the button that rises suddenly, described in button two side that rises suddenly be provided with and two open button; Described base plate is provided with fuel tank 14, described fuel tank 14 is fixedly installed motor pump 15 and magnetic valve group 16, oil pump is communicated with described hydraulic cylinder 5 by oil pipe line 18; About described power house, rear side is provided with blinds and seals up a door 11, front is provided with Qianmen, is provided with pin cup below described base plate, and the side of described power house is fixedly installed the gentle source component 17 of electric cabinet 19, described electric cabinet 19 and motor pump 15, fuel tank 14, proximity switch, magnetic valve group 16, double startup box 12, hydraulic cylinder 5, cylinder 24, hydralic pressure gauge 13, oil pipe line 18 electric signal connect.
Described hollow type post 9 is aluminium section bar, and is fixedly connected with on the substrate, and described hollow type post 9 is through described substrate, and its hollow core portion is communicated with described power house, and the thermal current in described power house is discharged upward by described hollow type post 9.
Described slide unit assembly 7 comprises slide unit base plate 20, gib block 21, slip die holder 22, floating junction 23, cylinder 24, cylinder block 25, fixed block 26, buffer 27, caging bolt 28; Described slide unit base plate 20 is paid by lock and is fixed in described lower plate 4, and described gib block about 21 is relatively spirally connected and is fixedly installed on described slide unit base 20, and described gib block 21 is arranged with two in parallel, and described slip die holder 22 slides and is connected in described gib block 21; Described slip die holder 22 front is fixedly connected with described floating junction 23, described floating junction 23 is affixed with cylinder 24 piston, described cylinder 24 is spirally connected by described cylinder block 25 and is fixed on the front end of described slide unit base plate 20, and described cylinder 24 is communicated with compressed air source by tracheae; On described slide unit base plate 20, floating junction 23 2 side is spirally connected and is fixedly installed two fixed blocks 26, described fixed block 26 is provided with buffer 27 and caging bolt 28, and described buffer 27 and caging bolt 28 be spacing and buffering to described slip die holder 22.
Described switch module 8 comprises mount pad, mounting rod, mounting blocks, knob bolt, proximity switch; Described mount pad is provided with two, is spirally connected respectively and is vertically fixed on described upper plate and the right front end face of lower plate; Mounting rod is provided with in described mount pad, on described mounting rod, socket is provided with three mounting blocks, described mounting blocks is provided with knob bolt, described knob bolt regulates the position of described mounting blocks on described mounting rod, described mounting blocks is equipped with proximity switch, and described proximity switch is controlled by the hydraulic position of control cabinet 19 centering plate 3.
The utility model concrete operation step is: adopt four post three-plate type hydraulic structures, described middle plate 3 is driven by hydraulic cylinder 5 knee-action and is coordinated by four guide pillars 6 accurate from moistening copper sheathing as guiding, the vertical precision of guiding is high, and realizes advanced positions up and down and the fast slow-action joint of hydraulic press by proximity switch and control cabinet 19; Upper and lower pressing action is realized by hydraulic control by control cabinet 19; Comprise motor pump 15, fuel tank 14, proximity switch, magnetic valve group 16, hydraulic cylinder 5, cylinder 24, oil pipe line 18 is all connected with described control cabinet 19 electric signal, mold is assembled on middle plate 3, bed die is assembled in lower plate 4, and workman places product to bed die, presses two to open button, middle plate 3 mould presses down automatically, completes product and automatically processes; If workman's hand does not leave mould or product, safe grating 10 is responded to automatically, machine akinesia; If fault met by machine, workman presses the button that rises suddenly at once, and hydraulic cylinder drives patrix to rise at once, and machine stops action; Power house adopts hydraulic package and magnetic valve group 16 control, and pressure stability, realizes fast downlink, slow pressurization, rises fast; The power house that fuel tank 14 is positioned at frame is inner, and adopt oil circuit technology of closed loop, mold can not glide automatically, improves safety coefficient; Employing is two opens button, and rise suddenly button, and install safe grating 10, improves the security in operative's process.
By above-mentioned specific embodiment, the beneficial effects of the utility model are: arrange a kind of sliding desk type pneumatic control slip die holder, during each replacement of products, automatic sliding out, fundamentally avoid the danger that operating personnel occur to injure, adopt oil circuit technology of closed loop, mold can not glide automatically, improves hydraulic press misoperation safety coefficient; Adopt and start box configuration both hands start button and the press button that rises suddenly, and install safe grating, many measures improve the security of operative; Design blinds is sealed up a door and heat-dissipating channel structure, improves the runner of hot-air in petrol station, improves hot-air conducting, guarantees heat radiation and the cooling effect of petrol station, improves continuous seepage working ability, enhances productivity.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a slide unit hydraulic press, it is characterized in that, comprise frame, upper plate, middle plate, lower plate, hydraulic cylinder, guide pillar, slide unit assembly, switch module, hollow type post, safe grating, blinds are sealed up a door, double startup box, hydralic pressure gauge, fuel tank, motor pump, magnetic valve group, source of the gas assembly, oil pipe line, electric cabinet, slide unit base plate, gib block, slip die holder, floating junction, cylinder, cylinder block, fixed block, buffer, caging bolt; Described frame is welded by metal side tube and is formed, and be provided with base plate bottom described frame, middle part is provided with substrate, and described substrate top is divided into hydraulic pressure platform, and bottom is divided into power house; Described hydraulic pressure platform is provided with upper plate, middle plate, lower plate by four guide pillar assemblings; Described upper plate and lower plate are fixed, and described middle plate is actively socketed on described guide pillar, and described middle plate is fixedly connected with the piston of hydraulic cylinder, and described hydraulic cylinder is arranged at above described upper plate, and described hydraulic cylinder front portion is provided with hydralic pressure gauge; Described lower plate is locked to pay and is fixedly installed slide unit assembly, and described upper plate and lower plate right front ends are equipped with switch module; About described hydraulic pressure platform front, two sides are vertically equipped with two hollow type posts, and described hollow type post is fixedly installed safe grating relatively; Described substrate front is welded and fixed and is provided with double startup box, and described double startup box is triangular multi-face box body, and center, its inclined-plane is provided with the button that rises suddenly, described in button two side that rises suddenly be provided with and two open button; Described base plate is provided with fuel tank, and described fuel tank is fixedly installed motor pump and magnetic valve group, oil pump is communicated with described hydraulic cylinder by oil pipe line; Be provided with blinds on rear side of about described power house to seal up a door, front is provided with Qianmen, is provided with pin cup below described base plate, and the side of described power house is fixedly installed the gentle source component of electric cabinet, described electric cabinet and motor pump, fuel tank, proximity switch, magnetic valve group, double startup box, hydraulic cylinder, cylinder, hydralic pressure gauge, oil pipe line electric signal connect.
2. a kind of slide unit hydraulic press according to claim 1, it is characterized in that, described hollow type post is aluminium section bar, and be fixedly connected with on the substrate, described hollow type post is through described substrate, its hollow core portion is communicated with described power house, and the thermal current in described power house is discharged upward by described hollow type post.
3. a kind of slide unit hydraulic press according to claim 1, is characterized in that, described slide unit assembly comprises slide unit base plate, gib block, slip die holder, floating junction, cylinder, cylinder block, fixed block, buffer, caging bolt; Described slide unit base plate is paid by lock and is fixed in described lower plate, and be relatively spirally connected about described gib block and be fixedly installed on described slide unit base, described gib block is arranged with two in parallel, and described slip die holder slides and is connected in described gib block; Described slip die holder front is fixedly connected with described floating junction, described floating junction and cylinder piston affixed, described cylinder is spirally connected by described cylinder block and is fixed on the front end of described slide unit base plate, and described cylinder is communicated with compressed air source by tracheae; On described slide unit base plate, floating junction two side is spirally connected and is fixedly installed two fixed blocks, described fixed block is provided with buffer and caging bolt, and described buffer and caging bolt be spacing and buffering to described slip die holder.
4. a kind of slide unit hydraulic press according to claim 1, it is characterized in that, described switch module comprises mount pad, mounting rod, mounting blocks, knob bolt, proximity switch; Described mount pad is provided with two, is spirally connected respectively and is vertically fixed on described upper plate and the right front end face of lower plate; Mounting rod is provided with in described mount pad, on described mounting rod, socket is provided with three mounting blocks, described mounting blocks is provided with knob bolt, described knob bolt regulates the position of described mounting blocks on described mounting rod, described mounting blocks is equipped with proximity switch, and described proximity switch is controlled by the hydraulic position of control cabinet centering plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056491.1U CN204505888U (en) | 2015-01-27 | 2015-01-27 | A kind of slide unit hydraulic press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056491.1U CN204505888U (en) | 2015-01-27 | 2015-01-27 | A kind of slide unit hydraulic press |
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| Publication Number | Publication Date |
|---|---|
| CN204505888U true CN204505888U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520056491.1U Expired - Fee Related CN204505888U (en) | 2015-01-27 | 2015-01-27 | A kind of slide unit hydraulic press |
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| CN (1) | CN204505888U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728587A (en) * | 2016-04-20 | 2016-07-06 | 苏州鸿普精密模具有限公司 | Bending mechanism for automobile door lock latch production line |
| CN106626508A (en) * | 2016-11-21 | 2017-05-10 | 惠安县冠威机械设备有限公司 | Punch press high in safety |
| CN107214445A (en) * | 2017-06-28 | 2017-09-29 | 安徽舜禹水务股份有限公司 | A kind of pump impeller blade welds module |
| CN108943793A (en) * | 2018-05-31 | 2018-12-07 | 张天才 | A kind of good band die type hydraulic press of novel damping cushion performance |
| CN109779881A (en) * | 2019-01-21 | 2019-05-21 | 湖北工程职业学院 | A kind of Miniature pneumatic press |
| CN110239129A (en) * | 2019-05-30 | 2019-09-17 | 东莞盛翔精密金属有限公司 | A kind of pressing machine, control circuit and working method |
| CN110666027A (en) * | 2019-11-07 | 2020-01-10 | 南通福马重型机床制造有限公司 | Multifunctional gate type hydraulic machine |
| CN111231394A (en) * | 2019-12-31 | 2020-06-05 | 太田机械江苏有限公司 | Pressing method of four-column hydraulic press |
-
2015
- 2015-01-27 CN CN201520056491.1U patent/CN204505888U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728587A (en) * | 2016-04-20 | 2016-07-06 | 苏州鸿普精密模具有限公司 | Bending mechanism for automobile door lock latch production line |
| CN106626508A (en) * | 2016-11-21 | 2017-05-10 | 惠安县冠威机械设备有限公司 | Punch press high in safety |
| CN107214445A (en) * | 2017-06-28 | 2017-09-29 | 安徽舜禹水务股份有限公司 | A kind of pump impeller blade welds module |
| CN108943793A (en) * | 2018-05-31 | 2018-12-07 | 张天才 | A kind of good band die type hydraulic press of novel damping cushion performance |
| CN109779881A (en) * | 2019-01-21 | 2019-05-21 | 湖北工程职业学院 | A kind of Miniature pneumatic press |
| CN110239129A (en) * | 2019-05-30 | 2019-09-17 | 东莞盛翔精密金属有限公司 | A kind of pressing machine, control circuit and working method |
| CN110666027A (en) * | 2019-11-07 | 2020-01-10 | 南通福马重型机床制造有限公司 | Multifunctional gate type hydraulic machine |
| CN111231394A (en) * | 2019-12-31 | 2020-06-05 | 太田机械江苏有限公司 | Pressing method of four-column hydraulic press |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160127 |
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| EXPY | Termination of patent right or utility model |