CN209272144U - A kind of cleaning plant handled for steel surface before pickling - Google Patents

A kind of cleaning plant handled for steel surface before pickling Download PDF

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Publication number
CN209272144U
CN209272144U CN201821915870.1U CN201821915870U CN209272144U CN 209272144 U CN209272144 U CN 209272144U CN 201821915870 U CN201821915870 U CN 201821915870U CN 209272144 U CN209272144 U CN 209272144U
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CN
China
Prior art keywords
steel
rack
cleaning plant
surface before
transfer roller
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Expired - Fee Related
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CN201821915870.1U
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Chinese (zh)
Inventor
泮春良
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ZHEJIANG CONCORD SHEET SCIENCE AND TECHNOLOGY Co Ltd
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ZHEJIANG CONCORD SHEET SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201821915870.1U priority Critical patent/CN209272144U/en
Application granted granted Critical
Publication of CN209272144U publication Critical patent/CN209272144U/en
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Abstract

The utility model relates to a kind of steel surface process fields, a kind of cleaning plant handled for steel surface before pickling, including rack, it is installed on the transport mechanism for being used to transmit steel of rack, the bending mechanism for making steel generate bending deformation is sequentially installed in the direction of transfer rack of steel, mechanism is abolished for what is abolished to steel surface oxide skin, for absorbing the dust collection mechanism of oxide skin clast, transport mechanism includes multiple transfer roller groups being set in distance, it is installed on the driving assembly for driving transport mechanism to operate of rack, transfer roller groups include in upper and lower symmetrically arranged upper roller and lower roll, upper roller and lower roll both ends all axial restraints and circumferentially rotate connection rack, the vibrating mechanism for vibrating steel along its thickness direction is equipped between two neighboring transfer roller groups.The vibrating mechanism added between two neighboring transfer roller groups divides the oxide skin on steel so that steel generate bending stress.

Description

A kind of cleaning plant handled for steel surface before pickling
Technical field
The utility model relates to a kind of steel surface process fields, and in particular to one kind is handled for steel surface before pickling Cleaning plant.
Background technique
Acid washing rolled steel refers to, so that strip is had clean and active surface, to guarantee the surface of steel produced Quality, in order to obtain such surface, to remove the iron scale on surface.
The hot-rolled strip steel material roll of hot rolling mill production, rolls and batches, what belt steel surface generated under the conditions of corresponding Iron scale can be covered on securely on the surface of strip, and cover the defect of belt steel surface very much.Strip cold rolling it Before, it is necessary to its scale on surface is removed, to guarantee the surface quality of cold-strip steel produced.Coil steel enter pickling it Before, first uncoiling is needed, steel surface iron scale is loosened later, acid solution after enabling its steel to enter in acid dip pickle Well into steel, chemical assingnment is carried out with iron scale, steel surface iron scale is removed.
It is in place of the deficiencies in the prior art, it is general by being bent steel or scratching to steel surface, thus will The rupture of steel surface iron scale does so the general rust bits residue that has and remains in steel surface, continues into acid dip pickle In, it is chemically reacted with acid solution, acid solution is caused to waste.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind for steel surface before pickling The cleaning plant of processing can make oxide skin be easy to fall off from steel by the vibrating mechanism added.
To achieve the above object, the utility model provides following technical solution:
A kind of cleaning plant handled for steel surface before pickling, including rack, be installed on rack for transmitting steel The transport mechanism of material is sequentially installed with the bending machine for making steel generate bending deformation along the direction of transfer of steel in rack Structure, for steel surface oxide skin is abolished abolish mechanism, the dust collection mechanism for absorbing oxide skin clast, further include For absorbing the dust collection mechanism of oxide skin clast, transport mechanism includes multiple transfer roller groups being set in distance, is installed on rack The driving assembly for driving transport mechanism to operate, transfer roller groups include in upper and lower symmetrically arranged upper roller and lower roll, upper roller With lower roll both ends all axial restraints and circumferentially rotate connection rack, be equipped between two neighboring transfer roller groups for making steel along it The vibrating mechanism of thickness direction vibration.
By using above-mentioned technical proposal, the steel between two transfer roller groups are under vibrating mechanism effect, along steel The vibration of material thickness direction, the oxide skin of this section of steel surface is by under bending stress effect, it is easy to rupture, so that original covering In the monolith oxide skin of steel surface, it is separated into several fritters.And since the steel both ends at vibrating mechanism are limited in In two transfer roller groups, so that the control of steel deformation range caused by vibrating mechanism will not influence between two pinch mechanisms The steel of other positions transmit.Then steel remain to run according to original running track after through vibrating mechanism.Steel later It is entered in bending mechanism under the transmission of transport mechanism, bending deformation is carried out to steel surface by bending mechanism, makes its steel The iron scale on material surface ruptures, and increases hole crack between iron scale.And then steel are in the case where abolishing mechanism effect, steel On iron scale fall off from steel, will not stick on steel.Finally by dust exhaust apparatus by the iron scale after rupture The residue for remaining on steel surface collects, and avoids residue from entering in acid dip pickle and is chemically reacted with acid solution.With The prior art is compared, the vibrating mechanism added, and oxide skin can be made to be easy to fall off from steel.
The utility model is further arranged to: vibrating mechanism includes for pushing steel to vibrate along its thickness direction Pushing plate is fixed on pushing plate and along thickness of steel product direction is slidably connected to the moving member of rack, for driving away from steel side The reciprocating member that dynamic moving member moves reciprocatingly.
By using above-mentioned technical proposal, reciprocating member driving moving member is done to move reciprocatingly along thickness of steel product direction, makes It obtains pushing plate constantly to contact with steel, and separate.Pushing plate can make steel have bending deformation when contacting with steel.It is pushing away After movable plate withdraws steel, since steel transmit on the transfer mechanism, so steel can return to original state.
The utility model is further arranged to: reciprocating member includes the cam for being rotationally connected with rack, convex for driving The rotating member of rotation is taken turns, is provided with limiting holes in rack, moving member successively includes wearing and being slidably connected to along thickness of steel product direction The sliding bar of limiting holes, the abutting block that always with cam abuts fixed with sliding bar one end, sliding bar is far from abutting block one end It is fixedly connected with pushing plate, abuts the first elastic component being equipped between block and rack in compressive state.
By using above-mentioned technical proposal, since the first elastic component is compressed always, so always to abutting block towards convex The power of wheel is abutted with cam always in this way, abutting block.Rotating member driving cam rotation after, cam with abut at block abutting The variation of position generating period.It is slided since the sliding bar affixed with block is abutted can only be done in limiting holes along thickness of steel product direction It is dynamic, so sliding bar can only be generated along thickness of steel product direction change in displacement.Sliding bar does cyclically-varying with the rotation of cam.Into And the pushing plate affixed with sliding bar will be jacked up with the steel of contact to after extreme higher position, initial position be returned to, before being further continued for Into steel are jacked up, retract later.And so on, so that steel vibrate.
The utility model is further arranged to: abut block include the linkage section affixed with the first elastic component and sliding bar, It rolls the ball of connection with cam, ball axial restraint and circumferentially rotates and be connected to linkage section.
By using above-mentioned technical proposal, since ball and cam are rolled and connected, so ball and cam point contact, connect Contacting surface product is small, then the frictional force between ball and cam is small, and ball being capable of the smooth rolling on cam.
The utility model is further arranged to: the second elastic component is equipped between pushing plate and steel.
By using above-mentioned technical proposal, pushing plate under reciprocating member effect, to steel at move, jack up after steel from It opens.After being steel contact due to the second elastic component, it may occur that elastic deformation, so that steel are under original displacement, and due to the The effect of two elastic components, occurs micro-strain.
The utility model is further arranged to: abolishing mechanism includes two use for being respectively arranged at steel upper and lower faces In the steel wire roller of scratch steel surface oxide skin, steel wire roller both ends axial restraint and circumferentially rotates and be connected to rack.
By using above-mentioned technical proposal, the steel wire roller of steel upper and lower surface, the oxidation to steel upper and lower surface are set Skin scratches, and oxide skin is made to fall off from steel.
The utility model is further arranged to: being abolished and is equipped with bobbing machine between mechanism and transfer roller groups adjacent thereto Structure.
By using above-mentioned technical proposal, the oxide skin on steel is abolished after mechanism is detached from from steel, vibrating mechanism So that steel are vibrated along thickness of steel product direction, so that the oxide skin clast on steel can be under the action of inertia force, from steel It is detached from, steel surface will not be adhered to again, siphon away oxide skin convenient for dust collection mechanism.And steel be located at abolish mechanism and transfer roller Between group, so that the control of the steel deformation range as caused by vibrating mechanism will not influence other positions between two pinch mechanisms The steel transmission set.
The utility model is further arranged to: shaft fixed thereto is equipped on cam, shaft is far from cam one end It is fixed with rotating member, rotating member is gear, and the tooth band being meshed with them is arranged on all rotating members, is installed in rack useful In the force piece for driving one of rotating member rotation.
By using above-mentioned technical proposal, force piece drives one of rotating member movement, makes other turns by tooth band Moving part rotates synchronously together.Rotating member rotates so that shaft fixed thereto rotates, and shaft rotates the cam so that fixed thereto Rotation.In this way, working at the same time two reciprocating members.It so, it is possible energy saving, reduction cost.
The utility model is further arranged to: driving assembly includes the upper of the upper roller both ends being fixed in one group of transfer roller Gear, be fixed on the group lower roll both ends the lower gear for being engaged in gear, be installed on rack for drive gear or The actuator that lower gear is rotated towards steel direction of transfer.
By using above-mentioned technical proposal, if actuator drives gear to rotate towards steel direction of transfer, with upper tooth The lower gear rotation of wheel engagement, lower gear rotation direction and gear are on the contrary, but also towards steel direction of transfer.So that with The upper roller and lower roll rotation that gear and lower gear are fixed rotate together, and rotation direction is opposite.Between upper roller and lower roll Steel advance.Remaining transfer roller groups are unpowered transmission, i.e., when steel pass through between upper roller and lower roll, to upper roller under Roller towards steel direction of transfer power so that upper roller and lower roll rotate simultaneously.In this way, also giving steel after upper roller and lower roll rotation Towards the power of steel direction of transfer, promote steel operation.
The utility model has the advantage that
1, the vibrating mechanism added between two neighboring transfer roller groups divides on steel so that steel generate bending stress Oxide skin so that oxide skin is easy to fall off from steel;
2, it abolishes and also is provided with vibrating mechanism between mechanism and transfer roller groups adjacent thereto, so that the oxide skin on steel is broken Bits can be detached from from steel under the action of inertia force, will not be adhered to steel surface again, be siphoned away oxidation convenient for dust collection mechanism Skin.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model;
Appended drawing reference: 1, rack;11, limiting holes;2, transport mechanism;21, transfer roller groups;211, upper roller;212, lower roll; 22, driving assembly;221, gear;222, lower gear;223, actuator;3, vibrating mechanism;31, pushing plate;32, moving member; 321, sliding bar;322, block is abutted;3221, linkage section;3222, ball;323, the first elastic component;33, reciprocating member;331, convex Wheel;332, rotating member;333, shaft;334, tooth band;335, force piece;34, the second elastic component;4, bending mechanism;41, upper bending Roller;42, lower bending roll;5, mechanism is abolished;51, steel wire roller;6, dust collection mechanism;61, dust hood;62, sweep-up pipe;63, filtering group Part;64, exhaust fan;7, steel.
Specific embodiment
The utility model is described further referring to attached drawing.
As shown in Figure 1, a kind of cleaning plant handled for steel surface before pickling, including rack 1, it is installed on rack 1 For transmitting the transport mechanisms 2 of steel 7, be sequentially installed in the direction of transfer rack 1 of steel 7 for making 7 edge of steel Perpendicular to the vibrating mechanism 3 of 7 plane vibration of steel, for making steel 7 generate the bending mechanism 4 of bending deformation, for steel 7 What surface scale was abolished abolishes mechanism 5, the dust collection mechanism 6 for absorbing oxide skin clast.
Vibrating mechanism 3 makes steel 7 along perpendicular to 7 plane vibration of steel, and bending mechanism 4 makes steel 7 bend shape Become, they can make the oxide skin division for being covered in 7 surface of steel.The oxidation that mechanism 5 enables to split off is abolished later Skin falls off from steel 7, and then dust collection mechanism 6 absorbs oxide skin.Transport mechanism 2 make steel 7 gradually by vibrating mechanism 3, Bending mechanism 4 and abolish mechanism 5.
The transport mechanism 2 includes multiple transfer roller groups 21 being set in distance, is installed on transmitting for driving for rack 1 The driving assembly 22 that mechanism 2 operates.Transfer roller groups 21 include in upper and lower symmetrically arranged upper roller 211 and lower roll 212, upper roller 211 With 212 both ends of lower roll all axial restraints and circumferentially rotate connection rack 1, driving assembly 22 include be fixed in one group of transfer roller The gear 221 at 211 both ends of upper roller, be fixed on the group 212 both ends of lower roll the lower gear 222 for being engaged in gear 221, peace The actuator 223 for driving gear 221 or lower gear 222 to rotate towards 7 direction of transfer of steel loaded on rack 1.Driving Part 223 is motor.
Actuator 223 drives gear 221 to rotate towards 7 direction of transfer of steel, the lower gear engaged with gear 221 222 rotations, 222 rotation direction of lower gear and gear 221 are on the contrary, but also towards 7 direction of transfer of steel.So that with upper tooth The upper roller 211 and the rotation of lower roll 212 that wheel 221 and lower gear 222 are fixed rotate together, and rotation direction is opposite.Positioned at upper roller 211 Steel 7 between lower roll 212 advance.Remaining transfer roller groups 21 are unpowered transmission, i.e., when steel 7 pass through 211 He of upper roller When between lower roll 212, to upper roller 211 and lower roll 212 towards the power of 7 direction of transfer of steel, so that upper roller 211 and lower roll 212 are same When rotate.In this way, also giving power of the steel 7 towards 7 direction of transfer of steel after upper roller 211 and lower roll 212 rotate, steel 7 is promoted to transport Row.
Between two neighboring transfer roller groups 21, abolish between mechanism 5 and transfer roller groups 21 adjacent thereto equipped with for making The vibrating mechanism 3 that steel 7 are vibrated along its thickness direction.Vibrating mechanism 3 includes for pushing steel 7 to vibrate along its thickness direction Pushing plate 31 is fixed on the moving member that rack 1 is slidably connected to along 7 thickness direction of steel that pushing plate 31 deviates from 7 side of steel 32, the reciprocating member 33 for driving moving member 32 to move reciprocatingly, the second elasticity being fixed between pushing plate 31 and steel 7 Part 34.Second elastic component 34 is spring.Reciprocating member 33 includes being rotationally connected with the cam 331 of rack 1, for driving cam The rotating members 332 of 331 rotations, limiting holes 11 are provided in rack 1, and moving member 32 successively includes wearing and along 7 thickness direction of steel It is slidably connected to sliding bar 321, the abutting block that always with cam 331 abuts fixed with 321 one end of sliding bar of limiting holes 11 322, sliding bar 321 is fixedly connected far from 322 one end of block is abutted with pushing plate 31, is abutted and is equipped between block 322 and rack 1 in pressure First elastic component 323 of contracting state.First elastic component 323 is spring, and the first elastic component 323 is sheathed on sliding bar 321.It abuts Block 322 includes the linkage section 3221 affixed with the first elastic component 323 and sliding bar 321, the ball with the rolling connection of cam 331 3222, it 3222 axial restraint of ball and circumferentially rotates and is connected to linkage section 3221.Shaft fixed thereto is equipped on cam 331 333, shaft 333 is fixed far from 331 one end of cam and rotating member 332, and rotating member 332 is gear, is arranged on all rotating members 332 There is the tooth band 334 being meshed with them, the force piece for driving one of rotating member 332 to rotate is installed in rack 1 335。
Force piece 335 drives one of rotating member 332 to move, and makes another rotating member 332 together by tooth band 334 It rotates synchronously.Rotating member 332 rotates so that shaft 333 fixed thereto rotates, and shaft 333 rotates the cam so that fixed thereto 331 rotations.Ball 3222 is abutted with cam 331 always under the effect of the first elastic component 323, and is rolled and connected with cam 331.It is convex After 331 rotation of wheel, ball 3222 is abutted with the point on the different surfaces of cam 331, so the displacement of ball 3222 has periodicity Variation.Due to 3222 axial restraint of ball and circumferentially rotate the sliding for being connected to linkage section 3221, and fixed with linkage section 3221 Bar 321 does always the sliding along 7 thickness direction of steel in limiting holes 11, so, sliding bar 321 is done with the rotation of cam 331 Along the cyclically-varying of 7 thickness direction of steel.So that the steel that the pushing plate 31 affixed with sliding bar 321 will contact 7 jack up to after extreme higher position, return to initial position, and being further continued for advancing jacks up steel 7, retract later.And so on, so that steel Material 7 vibrates.
Due to being equipped with the second elastic component 34 between pushing plate 31 and steel 7.So that steel 7 are under original displacement, and due to The effect of second elastic component 34, occurs micro-strain.Increase the variation range of steel 7, so that being covered on the whole of 7 surface of steel originally Block oxide skin is separated into several fritters.The vibrating mechanism 3 being equipped between mechanism 5 and transfer roller groups 21 adjacent thereto is abolished, Oxide skin on steel 7 is abolished after mechanism 5 is detached from from steel 7, and vibrating mechanism 3 makes steel 7 shake along 7 thickness direction of steel It is dynamic, so that the oxide skin clast on steel 7 can be detached from from steel 7 under the action of inertia force, it will not be adhered to steel again 7 surfaces siphon away oxide skin convenient for dust collection mechanism 6.
Bending mechanism 4 includes the upper bending roll 41 being installed in rack 1 and shifts to install down with upper bending roll 41 curved Curved roll 42.Steel 7 are entered under the transmission of transport mechanism 2 in bending mechanism 4, are carried out by bending mechanism 4 to 7 surface of steel Bending deformation ruptures the iron scale on its 7 surface of steel, increases hole crack between iron scale.Abolishing mechanism 5 includes two A steel wire roller 51 for 7 surface scale of steel that scratches for being respectively arranged at 7 upper and lower faces of steel, 51 two end axles of steel wire roller Rack 1 is connected to fixing and circumferentially rotating.The steel wire roller 51 of 7 upper and lower surface of steel is set, to the oxygen of 7 upper and lower surface of steel Change skin to scratch, oxide skin is made to fall off from steel 7.
Dust collection mechanism 6 include dust hood 61, be installed on dust hood 61 sweep-up pipe 62, be installed on sweep-up pipe 62 far from inhale 61 one end of dust hood is used to filter the filter assemblies 63 of dust, be installed on the exhaust fan 64 for dust suction of sweep-up pipe 62.Dust suction Cover 61 is towards working roll one end in flaring setting.When handling 7 residue of steel, start exhaust fan 64, oxide skin residue exists Under exhaust fan 64 acts on, enter sweep-up pipe 62 from dust hood 61, and filter out dust impurities by filter assemblies 63, then be discharged to big In gas.Filter assemblies 63 are the prior art, and details are not described herein.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (9)

1. a kind of cleaning plant handled for steel surface before pickling, including rack (1), be installed on rack (1) for passing The transport mechanism (2) of steel (7) is sent, is sequentially installed with along the direction of transfer of steel (7) for making steel (7) in rack (1) Generate the bending mechanism (4) of bending deformation, for abolishing mechanism (5), feature to what steel (7) surface scale was abolished It is: further includes for absorbing the dust collection mechanism of oxide skin clast (6), the transport mechanism (2) includes multiple is set in distance Transfer roller groups (21), the driving assembly (22) for driving transport mechanism (2) to operate for being installed on rack (1), transfer roller groups It (21) include in upper and lower symmetrically arranged upper roller (211) and lower roll (212), upper roller (211) and lower roll (212) both ends are all axially solid Determine and circumferentially rotate connection rack (1), is equipped between two neighboring transfer roller groups (21) for making steel (7) along its thickness direction The vibrating mechanism (3) of vibration.
2. a kind of cleaning plant handled for steel surface before pickling according to claim 1, it is characterized in that: the vibration Motivation structure (3) includes pushing plate (31) for pushing steel (7) to vibrate along its thickness direction, is fixed on pushing plate (31) and deviates from Steel (7) side is slidably connected to the moving member (32) of rack (1), for driving moving member along steel (7) thickness direction (32) reciprocating member (33) to move reciprocatingly.
3. a kind of cleaning plant handled for steel surface before pickling according to claim 2, it is characterized in that: described past Multiple component (33) include the cam (331) for being rotationally connected with rack (1), the rotating member for driving cam (331) to rotate (332), it is provided with limiting holes (11) in rack (1), moving member (32) successively includes wearing and sliding along steel (7) thickness direction to connect It is connected to sliding bar (321), the abutting that always with cam (331) abuts fixed with sliding bar (321) one end of limiting holes (11) Block (322), sliding bar (321) are fixedly connected far from block (322) one end is abutted with pushing plate (31), abut block (322) and rack (1) the first elastic component (323) in compressive state is equipped between.
4. a kind of cleaning plant handled for steel surface before pickling according to claim 3, it is characterized in that: described support Connecing block (322) includes that the linkage section (3221) affixed with the first elastic component (323) and sliding bar (321) and cam (331) roll The ball (3222) of connection, ball (3222) axial restraint and circumferentially rotates and is connected to linkage section (3221).
5. a kind of cleaning plant handled for steel surface before pickling according to claim 2, it is characterized in that: described push away The second elastic component (34) are equipped between movable plate (31) and steel (7).
6. a kind of cleaning plant handled for steel surface before pickling according to claim 1, it is characterized in that: described broken Except mechanism (5) include two steel wires for steel (7) surface scale that scratches for being respectively arranged at steel (7) upper and lower faces Roller (51), steel wire roller (51) both ends axial restraint and circumferentially rotates and is connected to rack (1).
7. a kind of cleaning plant handled for steel surface before pickling according to claim 1, it is characterized in that: described broken Except between mechanism (5) and transfer roller groups adjacent thereto (21) be equipped with vibrating mechanism (3).
8. a kind of cleaning plant handled for steel surface before pickling according to claim 3, it is characterized in that: described convex It is equipped with shaft fixed thereto (333) on wheel (331), shaft (333) is solid far from cam (331) one end and rotating member (332) Fixed, rotating member (332) is gear, is arranged with their the tooth band (334) being meshed on all rotating members (332), in rack (1) Force piece (335) for driving one of rotating member (332) to rotate is installed.
9. a kind of cleaning plant handled for steel surface before pickling according to claim 1, it is characterized in that: driving group Part (22) includes the gear (221) at upper roller (211) both ends being fixed in one group of transfer roller, the lower roll for being fixed on the group (212) lower gear (222) for being engaged in gear (221) at both ends, be installed on rack (1) for driving gear (221) Or the actuator (223) that lower gear (222) is rotated towards steel (7) direction of transfer.
CN201821915870.1U 2018-11-20 2018-11-20 A kind of cleaning plant handled for steel surface before pickling Expired - Fee Related CN209272144U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821915870.1U CN209272144U (en) 2018-11-20 2018-11-20 A kind of cleaning plant handled for steel surface before pickling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821915870.1U CN209272144U (en) 2018-11-20 2018-11-20 A kind of cleaning plant handled for steel surface before pickling

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CN209272144U true CN209272144U (en) 2019-08-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111036603A (en) * 2019-12-20 2020-04-21 无锡星燎不锈钢有限公司 Forged piece cleaning device for hardware processing forging machine and working method of forged piece cleaning device
CN116078815A (en) * 2023-02-06 2023-05-09 苏升智能科技徐州有限公司 Metal material roll forming equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111036603A (en) * 2019-12-20 2020-04-21 无锡星燎不锈钢有限公司 Forged piece cleaning device for hardware processing forging machine and working method of forged piece cleaning device
CN116078815A (en) * 2023-02-06 2023-05-09 苏升智能科技徐州有限公司 Metal material roll forming equipment
CN116078815B (en) * 2023-02-06 2023-11-14 苏升智能科技徐州有限公司 Metal material roll forming equipment

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Granted publication date: 20190820