CN104475574B - A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash and cold-bending method - Google Patents

A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash and cold-bending method Download PDF

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Publication number
CN104475574B
CN104475574B CN201410692894.5A CN201410692894A CN104475574B CN 104475574 B CN104475574 B CN 104475574B CN 201410692894 A CN201410692894 A CN 201410692894A CN 104475574 B CN104475574 B CN 104475574B
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China
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section bar
clod wash
module
hydraulic press
stuck
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CN104475574A (en
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魏海
周军
陈国民
管敏
周小冬
张翼
吉中良
苏丹
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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Shanghai Jiangnan Changxing Shipbuilding Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00Bending rods, profiles, or tubes
    • B21D7/06Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)

Abstract

The present invention relates to a kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash, clod wash for the linear shaped steel in Ship Structure is processed, this clod wash mould includes mold base, stuck-module, roll-off module and bolster, positive and negative two kinds of section bars can be bent linear by replacing mold base, change the outfit and use on hydraulic press, it is arranged on hydraulic press master cylinder (seaming chuck) position, hydraulic press mechanical force vertically downward is changed into cross force by the two of mould inclined-planes and reaches extruded purpose, this section bar is all provided with promising adaptation Ship Structure differently curved linearly. the clod wash mould of patent of the present invention and processing method want to reduce allowance during section bar clod wash, reduce shipbuilding cost, improve production efficiency, solve the technical task of ultrashort section bar machine-shaping.

Description

A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash and cold-bending method
Technical field
The present invention relates to machining, be related specifically to the clod wash mould and the clod wash processing method that utilize hydraulic press to carry out section bar clod wash.
Background technology
Along with the fast development of modern science and technology, the appearance of cold-frame bender, in making, small lot, the processing of section bar part obtains good solution. As the important procedure shape extrusion of shipbuilding, it is very high to the required precision of cold-frame bender, and cold-frame bender is for now so that serving vital effect precision shipbuilding in the future.
Curved shaped steel bending in Ship Structure is made by the bending of 400T cold-frame bender. But, limitation due to cold-frame bender equipment, when section bar clod wash at the allowance (two ends each 350) that must place 700, so cause a large amount of wastes of material, and length at all cannot clod wash at the section bar of about 1M, generally in the cold-frame bender of configuration, frame is 600 with left and right frame clearance distance, so bending one root type steel is by the waste of the allowance of generation 1200, need various for shaped steel such as shipbuildings and measure big industry, so can cause a large amount of wastes of material. The most important is in that, length at all cannot clod wash at the shaped steel use cold-frame bender of about 1M. In this case, short shaped steel must flow through firer and carries out manual operation, it is necessary to first carry out shaped steel heating, then the shaped steel after heating is curved molding. The shaped steel hot bending of a piece 1M length needs 2 people to operate the used time 2 hours, and forming quality is poor, the baked generation of material character changes. The bending machining workload carrying out the ultrashort rib of boats and ships and vertical bone is very big, the shaped steel of about length 1M is wasted time and energy at shaped steel hot bending, deformation after the material cooled down makes again Mass accuracy be difficult to control to, and work efficiency is slow, to become one of bottleneck of thing amount lifting.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of new clod wash mould utilizing hydraulic press to carry out section bar clod wash and processing technique.The clod wash mould of patent of the present invention and processing method want to reduce allowance during section bar clod wash, reduce shipbuilding cost, improve production efficiency, solve the technical task of ultrashort section bar machine-shaping.
In order to reach foregoing invention purpose, the technical scheme that patent of the present invention provides is as follows:
A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash, this hydraulic press is provided with master cylinder and operation platform, this master cylinder bottom is push-down head vertically downward, this push-down head is downwards just to described operation platform, it is characterized in that, described clod wash mould includes stuck-module, roll-off module, mold base and bolster, the right angled triangle that described stuck-module generally stands upside down, the inclination angle of its hypotenuse is 45 degree, described roll-off module is upright right angled triangle, the inclination angle of its hypotenuse is 45 degree, the top of described stuck-module is fixed on described push-down head, described roll-off module and stuck-module are close together by inclined-plane, the stroke apparatus playing fixation it is provided with between roll-off module and stuck-module, described mold base is fixed on described operation platform, this mold base is provided with medial wall, construction surface and outer lug, the side of described stuck-module can be close on described medial wall up or down, cope match-plate pattern in described bolster is fixed on the bottom surface of described roll-off module, it is linear that lower bolster in bolster is fixed in construction surface in described outer lug, described lower bolster and cope match-plate pattern to be relatively provided with for section bar cold roll forming.
Utilizing hydraulic press to carry out in the clod wash mould of section bar clod wash in the present invention, the height of described stuck-module is the 2/3 of the effective impulse stroke of hydraulic press, and the topside area of this stuck-module is identical with the area of described seaming chuck.
Hydraulic press is utilized to carry out in the clod wash mould of section bar clod wash in the present invention, described stroke apparatus is the buckling body with draw-in groove being arranged at stuck-module and roll-off module both sides, the both sides of described stuck-module and roll-off module are equipped with fin near the incline position place contacted, and described fin is embedded in corresponding draw-in groove respectively.
Utilizing hydraulic press to carry out in the clod wash mould of section bar clod wash in the present invention, described section bar includes angle steel, flat-bulb steel and half rounds, this section bar is all provided with promising adaptation Ship Structure differently curved linearly.
Utilizing hydraulic press to carry out in the clod wash mould of section bar clod wash in the present invention, the bottom of described roll-off module is provided with an embedded groove, and described cope match-plate pattern can be located in embedded groove with plugging.
A kind of method utilizing above-mentioned clod wash mould to carry out section bar clod wash, it is characterised in that the method comprises the following steps that
The first step, according to the specification requirement of boats and ships upper sectional material and curved linear, the type of selected linear section bar, calculates curved linear flexibility, and marks anti-straight line on section bar, and this anti-straight line is turned into straight line after section bar cold roll forming;
Second step, installation clod wash mould on hydraulic press, and need selected good described bolster according to linear, prepare clod wash operation after carrying out construction debugging;
3rd step, by on profile hoisting to described clod wash mould, clod wash operation is first proceeded by from one end, the master cylinder push-down head of hydraulic press produces pressure vertically downward, this pressure produces vertically outside pressure through 45 degree of slide surfaces of stuck-module and roll-off module, described section bar is produced folding force by described cope match-plate pattern and lower bolster by this vertical pressure, and owing to being provided with the linear face of section bar bending between described cope match-plate pattern and lower bolster, this section bar is slowly deformed;
4th step, observes the anti-straight line on section bar when section bar deforms gradually, when the anti-straight line at position to be deformed becomes straight line, suspends described hydraulic press, stops the section bar that extruding is described;
5th step, change the extrusion position of described section bar, continue on described hydraulic press and carry out profile extrusion until described anti-straight line becomes straight line, complete the bending operation of described section bar, this section bar cold roll forming, whether final detection section bar is qualified, proceeds extruding adjust until qualified if defective.
In the above-mentioned method utilizing clod wash mould to carry out section bar clod wash, when the master cylinder of described hydraulic press rises, stuck-module rises with seaming chuck, described roll-off module produces being moved rearwards by of equivalent climb under stroke apparatus with the ramp effect being close to, and reserves section bar feed entrance point between described cope match-plate pattern and lower bolster.
In the above-mentioned method utilizing clod wash mould to carry out section bar clod wash, it is fixed on the cope match-plate pattern on roll-off module and is provided with linear groove between the lower bolster being fixed in mold base construction surface, section bar linear groove between cope match-plate pattern and lower bolster forms three fulcrums, and described section bar forms equidistant bending when the push-down head of hydraulic press declines.
Based on technique scheme, the clod wash mould of patent of the present invention and cold bending shaping method compared with prior art have following technological merit:
1. the present invention by solving a clod wash difficult problem for ultrashort section bar to the exploitation of hydraulic press section bar clod wash mould, carry out analyzing comprehensively and discussing in key elements such as technical, operability and economy, it is not limited to the constraint of common process, propose ultrashort section bar cold roll forming and replace the new process of manual hot briquetting, and work out corresponding operation content and technical measures for this. From two aspects of theory and practice, solve the technical task of ultrashort section bar machine-shaping.
2. the hydraulic press section bar clod wash mould of the present invention, it is possible to section bar clod wash surplus is foreshortened to 300 (two ends each 150), not only can bend the section bar within 1M, and can clod wash half rounds. If by firer's hot-working bent section, the shaped steel hot bending of a 1M length needs 2 people to operate the used time 2 hours, and forming quality is poor, the baked generation of material character changes. Needing 3 people to operate the shaped steel only needing just can bend for 5 minutes a 1M length if the hydraulic press shaped steel clod wash mould using the present invention is curved processing, its economic benefit is original 16 times simultaneously. Statistics effect is as shown in the table:
Work flow Staffing Activity duration Shaping rate To Effect of Materials
Firer bends 2 120 minutes Repeatedly shape Fragility increases
Cold stamping die bends 3 5 minutes Once-forming Nothing
Accompanying drawing explanation
Fig. 1 is that the present invention utilizes hydraulic press to carry out the building block schematic diagram of clod wash mould of section bar clod wash.
Fig. 2 is that the present invention utilizes hydraulic press to carry out the structural representation of bolster in the clod wash mould of section bar clod wash.
Fig. 3 is that the present invention utilizes hydraulic press to carry out the connection diagram of stroke apparatus and stuck-module and roll-off module in the clod wash mould of section bar clod wash.
Fig. 4 is that the present invention utilizes clod wash mould to carry out the operating procedure schematic diagram of cold roll forming.
Detailed description of the invention
The present invention is utilized hydraulic press to carry out the clod wash mould of section bar clod wash in conjunction with accompanying drawing and specific embodiment and clod wash processing method is further elaborated by we below; in the hope of more clearly illustrating its structure composition and concrete applying step, but the protection domain of patent of the present invention can not be limited with this.
The present invention is a kind of clod wash mould utilizing existing hydraulic press to carry out section bar particularly ultrashort section bar clod wash. This hydraulic press is provided with master cylinder and operation platform, this master cylinder bottom is push-down head vertically downward, this push-down head is downwards just to described operation platform, the present invention is as a kind of section bar clod wash mould being arranged on hydraulic press and using, and its principle is by the two of mould inclined-planes, hydraulic press mechanical force vertically downward to be changed into cross force reach extruded purpose.Described section bar includes angle steel, flat-bulb steel and half rounds, this section bar is all provided with promising adaptation Ship Structure differently curved linearly.
First please see Figure 1, Fig. 1 is that the present invention utilizes hydraulic press to carry out the building block schematic diagram of clod wash mould of section bar clod wash. As seen from the figure, hydraulic press section bar clod wash mould of the present invention is mainly made up of four significant components, respectively stuck-module 1, roll-off module 2, mold base 3 and bolster 4, and section bar each ingredient of clod wash mould is all made up of 60 70mm sheet material clouts.
The right angled triangle that described stuck-module 1 generally stands upside down, the inclination angle of its hypotenuse is 45 degree, and described roll-off module 2 is upright right angled triangle, and the inclination angle of its hypotenuse is 45 degree, and the top of described stuck-module is fixed on described push-down head. Here stuck-module is arranged on hydraulic press master cylinder (seaming chuck) position, and stuck-module top board is identical with seaming chuck area, in order to safety is fixing. The height of stuck-module is set as the 2/3 of the effective impulse stroke of hydraulic press, generally del, and for ensureing farthest to make good use of the pressure at right angle of hydraulic press, lateral surface one end is designed as 45 �� of inclined-planes.
Above-mentioned roll-off module 2 is close together by inclined-plane with stuck-module 1, is provided with the stroke apparatus 5 playing fixation between roll-off module 2 and stuck-module 1. Roll-off module 2 is similar with stuck-module 1 profile, and for upright triangle, medial surface one end is 45 �� of inclined-planes, with stuck-module just a positive and a negative. The both sides of roll-off module 2 and stuck-module 1 are respectively arranged with the stroke apparatus 5 that is slidably connected, stuck-module 1 is made to be connected with sliding block 2, when master cylinder rises, stuck-module 1 drives roll-off module 2 to rise together, when master cylinder declines, the lateral surface of stuck-module 1 matches with the medial surface of roll-off module 2, makes the mechanical force vertically downward of hydraulic press be changed into cross force. The stroke apparatus 5 carrying out sliding connection plays the connection of two modules and controls the effect of descending stroke and the size of pressure. Additionally an embedded groove is arranged at the bottom of roll-off module, inserts cope match-plate pattern 41, and the effect that embedded groove plays is that cope match-plate pattern does not come off in operation, and can change various cope match-plate pattern easily, as shown in Figure 3.
Above-mentioned mold base 3 is fixed on described operation platform, and this mold base 3 is provided with medial wall, construction surface and outer lug, and the side of described stuck-module 1 can be close on described medial wall up or down. Mold base 3 is to ensure that hydraulic press clod wash mould can be clamped securely to safely within the scope of hydraulic press work platforms in whole operation process, being sized to of mold base is designed less than the size of hydraulic press work platforms, to facilitate fixing and to change, the material thickness of mold base is at about 40mm, mold base entirety is C-shaped, outer low and inner high, outside one end is lower bolster installation position.
As shown in Figure 2, cope match-plate pattern 41 in above-mentioned bolster 4 is fixed on the bottom surface of described roll-off module 2, lower bolster 42 in bolster 4 is fixed in construction surface against described outer lug, what be relatively provided with for section bar cold roll forming on described lower bolster 42 and cope match-plate pattern 41 is linear, the linear requirement according to product of template is determined and is changed lower bolster, additionally installing block panel additional on every block of cope match-plate pattern, the width of panel is the same with the width of the embedded groove bottom roll-off module. Install during template in panel insertion groove, make cope match-plate pattern protrude roll-off module.Lower bolster is arranged on outside mold base, so under press time cope match-plate pattern and lower bolster be that horizontal plane is identical. When the master cylinder of hydraulic press rises, the spacing of mold base and roll-off module is the 1/3 of whole stroke, to facilitate charging and discharging.
The method that the invention further relates to utilize above-mentioned clod wash mould to carry out section bar clod wash, as shown in Figure 4, the method comprises the following steps that
The first step, according to the specification requirement of boats and ships upper sectional material and curved linear, the type of selected linear section bar, calculates curved linear flexibility, and marks anti-straight line on section bar, and this anti-straight line is turned into straight line after section bar cold roll forming;
Second step, installation clod wash mould on hydraulic press, and need selected good described bolster according to linear, prepare clod wash operation after carrying out construction debugging;
3rd step, by on profile hoisting to described clod wash mould, clod wash operation is first proceeded by from one end, the master cylinder push-down head of hydraulic press produces pressure vertically downward, this pressure produces vertically outside pressure through 45 degree of slide surfaces of stuck-module and roll-off module, described section bar is produced folding force by described cope match-plate pattern and lower bolster by this vertical pressure, and owing to being provided with the linear face of section bar bending between described cope match-plate pattern and lower bolster, this section bar is slowly deformed;
4th step, observes the anti-straight line on section bar when section bar deforms gradually, when the anti-straight line at position to be deformed becomes straight line, suspends described hydraulic press, stops the section bar that extruding is described;
5th step, change the extrusion position of described section bar, continue on described hydraulic press and carry out profile extrusion until described anti-straight line becomes straight line, complete the bending operation of described section bar, this section bar cold roll forming, whether final detection section bar is qualified, proceeds extruding adjust until qualified if defective.
In the above-mentioned method utilizing clod wash mould to carry out section bar clod wash, when the master cylinder of described hydraulic press rises, stuck-module rises with seaming chuck, described roll-off module produces being moved rearwards by of equivalent climb under stroke apparatus with the ramp effect being close to, and reserves section bar feed entrance point between described cope match-plate pattern and lower bolster. It is fixed on the cope match-plate pattern on roll-off module and is provided with linear groove between the lower bolster being fixed in mold base construction surface, section bar linear groove between cope match-plate pattern and lower bolster forms three fulcrums, and described section bar forms equidistant bending when the push-down head of hydraulic press declines.
The present invention, by the exploitation to hydraulic press section bar clod wash mould, solves ultrashort section bar clod wash and processes this technical barrier. Technical, the key element such as operability and economy carries out analyzing comprehensively and discussing, and is not limited to the constraint of common process, it is proposed that ultrashort section bar cold roll forming replaces the new process of manual hot briquetting. And corresponding operation content and technical measures have been worked out for this. In practical application, achieve very satisfactory achievement. From two aspects of theory and practice, solve the technical task of ultrashort section bar machine-shaping.

Claims (8)

1. the clod wash mould utilizing hydraulic press to carry out section bar clod wash, this hydraulic press is provided with master cylinder and operation platform, this master cylinder bottom is push-down head vertically downward, this push-down head is downwards just to described operation platform, it is characterized in that, described clod wash mould includes stuck-module, roll-off module, mold base and bolster, the right angled triangle that described stuck-module generally stands upside down, the inclination angle of its hypotenuse is 45 degree, described roll-off module is upright right angled triangle, the inclination angle of its hypotenuse is 45 degree, the top of described stuck-module is fixed on described push-down head, described roll-off module and stuck-module are close together by inclined-plane, the stroke apparatus playing fixation it is provided with between roll-off module and stuck-module,Described mold base is fixed on described operation platform, this mold base is provided with medial wall, construction surface and outer lug, the side of described stuck-module can be close on described medial wall up or down, cope match-plate pattern in described bolster is fixed on the bottom surface of described roll-off module, it is linear that lower bolster in bolster is fixed in construction surface in described outer lug, described lower bolster and cope match-plate pattern to be relatively provided with for section bar cold roll forming.
2. a kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash according to claim 1, it is characterised in that the height of described stuck-module is the 2/3 of the effective impulse stroke of hydraulic press, and the topside area of this stuck-module is identical with the area of seaming chuck.
3. a kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash according to claim 1, it is characterized in that, described stroke apparatus is the buckling body with draw-in groove being arranged at stuck-module and roll-off module both sides, the both sides of described stuck-module and roll-off module are equipped with fin near the incline position place contacted, and described fin is embedded in corresponding draw-in groove respectively.
4. a kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash according to claim 1, it is characterised in that described section bar includes angle steel, flat-bulb steel and half rounds, this section bar is all provided with promising adaptation Ship Structure differently curved linearly.
5. a kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash according to claim 1, it is characterised in that the bottom of described roll-off module is provided with an embedded groove, and described cope match-plate pattern can be located in embedded groove with plugging.
6. the method that the clod wash mould that a kind utilizes described in claim 1 carries out section bar clod wash, it is characterised in that the method comprises the following steps that
The first step, according to the specification requirement of boats and ships upper sectional material and curved linear, the type of selected linear section bar, calculates curved linear flexibility, and marks anti-straight line on section bar, and this anti-straight line is turned into straight line after section bar cold roll forming;
Second step, installation clod wash mould on hydraulic press, and need selected good described bolster according to linear, prepare clod wash operation after carrying out construction debugging;
3rd step, by on profile hoisting to described clod wash mould, clod wash operation is first proceeded by from one end, the master cylinder push-down head of hydraulic press produces pressure vertically downward, this pressure produces vertically outside pressure through 45 degree of slide surfaces of stuck-module and roll-off module, described section bar is produced folding force by described cope match-plate pattern and lower bolster by this vertical pressure, and owing to being provided with the linear face of section bar bending between described cope match-plate pattern and lower bolster, this section bar is slowly deformed;
4th step, observes the anti-straight line on section bar when section bar deforms gradually, when the anti-straight line at position to be deformed becomes straight line, suspends described hydraulic press, stops the section bar that extruding is described;
5th step, change the extrusion position of described section bar, continue on described hydraulic press and carry out profile extrusion until described anti-straight line becomes straight line, complete the bending operation of described section bar, this section bar cold roll forming, whether final detection section bar is qualified, proceeds extruding adjust until qualified if defective.
7. a kind of method utilizing clod wash mould to carry out section bar clod wash according to claim 6, it is characterized in that, when the master cylinder of described hydraulic press rises, stuck-module rises with seaming chuck, described roll-off module produces being moved rearwards by of equivalent climb under stroke apparatus with the ramp effect being close to, and reserves section bar feed entrance point between described cope match-plate pattern and lower bolster.
8. a kind of method utilizing clod wash mould to carry out section bar clod wash according to claim 6, it is characterized in that, it is fixed on the cope match-plate pattern on roll-off module and is provided with linear groove between the lower bolster being fixed in mold base construction surface, section bar linear groove between cope match-plate pattern and lower bolster forms three fulcrums, and described section bar forms equidistant bending when the push-down head of hydraulic press declines.
CN201410692894.5A 2014-11-27 2014-11-27 A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash and cold-bending method Active CN104475574B (en)

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CN107052107A (en) * 2017-03-22 2017-08-18 江苏沪宁钢机股份有限公司 One kind cold pressing elbow pipe processing technology
CN109351857A (en) * 2018-09-29 2019-02-19 安徽苏立科技股份有限公司 A kind of heat-generating pipe molding oil pressure integration mold

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JPH01271011A (en) * 1988-04-22 1989-10-30 Osamu Makino Tool for press bending work
CN102189178B (en) * 2011-03-24 2013-08-07 青岛鸿森重工有限公司 High-straight-edge splint-type bending correction mould
CN202192163U (en) * 2011-07-27 2012-04-18 沈阳远大铝业工程有限公司 One-step bending forming die for anchor rods
CN103028654A (en) * 2011-09-29 2013-04-10 郝俊峰 Clamp bend forming die
CN202539369U (en) * 2012-03-15 2012-11-21 东莞市中泰模具有限公司 Bending mechanism of continuous mold
CN202621730U (en) * 2012-06-19 2012-12-26 上海大屯能源股份有限公司 Punching die of bending board
CN103658385B (en) * 2012-09-18 2016-08-31 上海强精金属制品有限公司 A kind of Bending Mould producing microwave oven cavity top plate
CN204308041U (en) * 2014-11-27 2015-05-06 上海江南长兴造船有限责任公司 A kind of clod wash mould utilizing hydraulic press to carry out section bar clod wash

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