CN104308891A - Long rectangular table hydraulic punching machine - Google Patents

Long rectangular table hydraulic punching machine Download PDF

Info

Publication number
CN104308891A
CN104308891A CN201410547698.9A CN201410547698A CN104308891A CN 104308891 A CN104308891 A CN 104308891A CN 201410547698 A CN201410547698 A CN 201410547698A CN 104308891 A CN104308891 A CN 104308891A
Authority
CN
China
Prior art keywords
red needle
counterdie
die shoe
fixed
punching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410547698.9A
Other languages
Chinese (zh)
Other versions
CN104308891B (en
Inventor
夏金宝
陈旧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAANSHAN LITAO CNC MACHINE TOOL Co Ltd
Original Assignee
MAANSHAN LITAO CNC MACHINE TOOL Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAANSHAN LITAO CNC MACHINE TOOL Co Ltd filed Critical MAANSHAN LITAO CNC MACHINE TOOL Co Ltd
Priority to CN201410547698.9A priority Critical patent/CN104308891B/en
Publication of CN104308891A publication Critical patent/CN104308891A/en
Application granted granted Critical
Publication of CN104308891B publication Critical patent/CN104308891B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26FPERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/24Perforating by needles or pins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01Means for holding or positioning work
    • B26D7/02Means for holding or positioning work with clamping means

Abstract

The invention discloses a long rectangular table hydraulic punching machine. The long rectangular table hydraulic punching machine comprises a stander, oil cylinders, slide plates, slide plate supporting plates, a row of upper mold carriers, a lower mold, a lower mold carrier and a worktable, wherein a punching needle is respectively, correspondently and detachably installed below each upper mold carrier, a pressure plate is arranged below the row of punching needles, the lower die is arranged below the pressure plate, the row of punching needles is divided into a plurality of groups, each group is provided with 4 to 6 punching needles, each group of punching needles is respectively and sequentially arranged in a staircase shape from high to low, and the height difference between every two adjacent punching needles is 6cm to 10cm. The long rectangular table hydraulic punching machine is provided with a row of punching needles, the punching needles are divided into a plurality of groups, each group of punching needles is sequentially arranged from high to low in a staircase shape, thus a row of holes can be sequentially punched in several times in one-step pressing process of the oil cylinders, the pressure of each oil cylinder can be reduced, the bending deformation of materials and parts can be avoided, all holes can be punched in one step, the repetition in fixation and punching is not needed, and the precision and efficiency can be improved.

Description

Long square platform hydraulic piercing press
Technical field
The present invention relates to mechanical equipment technical field, particularly one long square platform hydraulic piercing press.
Background technology
Existing punching apparatus can rush single hole or porous.If punching press simultaneously can cause materials and parts to produce very large distortion when having a many holes for a row, spacing simultaneously between porous does not reach dimensional requirement, the hole producing the rear punching press of distortion is also smooth not, burr can be caused to increase, both affected use is also produce very large wearing and tearing to perforating press simultaneously, shortens service life.If just single or a small amount of several holes punching press together, can inefficiency be caused again, and each transposition is fixing all can produce trueness error, affects the precision of whole workpiece.
Summary of the invention
The object of this invention is to provide one can simultaneously punching press porous, and can avoid workpiece deformation, the long square platform hydraulic piercing press that precision high efficiency is high.
For achieving the above object, the invention provides a kind of long square platform hydraulic piercing press, comprise frame, frame inside front is provided with at least two oil cylinders, slide plate is provided with below oil cylinder, each oil cylinder lower end is all connected to slide plate, ski support plate is provided with below slide plate, row's patrix die shoe is provided with below ski support plate, below each patrix die shoe, correspondence is detachably provided with a red needle, holding pad is provided with below row's red needle, counterdie is provided with below holding pad, described counterdie is fixed on below the counterdie die shoe that is positioned at inside it, described holding pad side is fixed on above counterdie die shoe, described counterdie die shoe is fixed on the workbench that is positioned at below it, workbench is fixed in frame, counterdie is provided with the punching hole that a row is corresponding with described red needle, described holding pad is also provided with the row pilot hole corresponding with described red needle, the diameter of described pilot hole is greater than the diameter of described punching hole, materials and parts fixture is also symmetrically arranged with at described counterdie die shoe two ends, the described red needle of one row is divided into many groups, often organize 4-6 root red needle, and often red needle is all stepped is arranged in order from high to low for group, the difference in height of adjacent two red needles is 6-10cm.Long square platform hydraulic piercing press of the present invention, one row's red needle is set and red needle is divided into several groups, often red needle is all stepped is arranged in order from high to low for group, in the process so just once pressed down at oil cylinder, a round is divided into punching press several times successively, so just can reduce the pressure of oil cylinder, avoid materials and parts flexural deformation, simultaneously again can all hole of a punching press, do not need to retighten punching press, improve precision and efficiency.
The trunnion shaft of level is provided with above described frame, workbench is provided with below described frame, between trunnion shaft and workbench, interval homogeneous vertical is provided with many backstays, slide plate is arranged on described backstay, described oil cylinder symmetry is arranged on trunnion shaft two ends, and each oil cylinder lower end connects back skating plate.Between trunnion shaft and workbench, interval homogeneous vertical is provided with many backstays, and the red needle of whole row's punching of can better leading down is moved, and improves machining accuracy, and stable movement, can reduce the impact of red needle, extend the service life of whole equipment.
Described patrix die shoe is the symmetrically arranged fixed block of two panels, wherein one piece of fixed block is fixed in ski support plate, another block fixed block is detachably connected in ski support plate, the face that two described fixed blocks are relative is symmetrically arranged with vertical arc groove, also step surface is provided with in the upper end of each arc groove, corresponding every root red needle is set to cylindrical, the top bilateral symmetry of every root red needle is provided with hangers, red needle is arranged on patrix die shoe, two hangers are hung on the step surface of arc groove upper end, between red needle being fixed therein after two fixed blocks merge.Red needle is fixed on patrix die shoe, and two hangers patrix die shoe arranged in two step surfaces and red needle are suitable, the accurate positioning of red needle fixing-stable, and convenient disassembly.
Outside counterdie die shoe, two ends are provided with inner side locating piece, the outwardly directed adjustable in length of described inner side locating piece, described inner side locating piece is threaded connection and is being fixed on the screw rod outside counterdie die shoe, installation chute has been horizontally disposed with outside ski support plate, in described installation chute, be provided with multiple outsides location-plate, the lower end of described outside location-plate reaches outside counterdie.Inner side locating piece and outside location-plate are for regulating the position of materials and parts punching, and inner side locating piece and outside location-plate combine and materials and parts can be fixed on position accurately, improve the precision of punching.
Below counterdie, be also provided with feeder, described feeder is fixed on workbench lower outer.Feeder, for collecting the waste material be punched down, is avoided scattered on the ground, can be that environment is clean and tidy, and recycle collection conveniently.
The punching hole inside of described counterdie is provided with compound sleeve.Punching hole inside is provided with rigidity and the wearability that compound sleeve can increase punching hole, increases the service life, and the punching press dynamics be subject to due to counterdie is very large, so need to prevent distortion.
Long square platform hydraulic piercing press of the present invention, oil cylinder is arranged on the trunnion shaft of machine frame inside, Stability Analysis of Structures, both beautiful and practical, red needle is detachably connected on patrix die shoe, patrix die shoe can facilitate the dismounting of red needle, red needle is divided into several groups, and often red needle is all stepped is arranged in order from high to low for group, is divided into punching press several times in the process that a round can be pressed down at oil cylinder, both solve porous punching press and held yielding problem, solve again the problem of separately punching press repeatedly fixed effect precision.
Holding pad is arranged on above counterdie, needs the materials and parts of punching to be arranged between holding pad and counterdie, and the locating piece of holding pad is fixed on counterdie die shoe two ends, and be also provided with outside location-plate, arranging of holding pad can prevent materials and parts to be bonded in red needle.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the structural representation of patrix die shoe;
Fig. 4 is the structural representation of red needle;
Fig. 5 is the top view of counterdie;
Wherein, 1-frame, 2-oil cylinder, 3-slide plate, 4-ski support plate, 5-patrix die shoe, 6-red needle, 7-holding pad, 8-counterdie, 9-counterdie die shoe, 10-workbench, 11-punching hole, 12-pilot hole, 13-trunnion shaft, 14-backstay, 15-fixed block, 16-arc groove, 17-step surface, 18-hangers, locating piece inside 19-, 20-installs chute, location-plate outside 21-, 22-feeder, 23-compound sleeve.
Detailed description of the invention
The preferred technical solution of the present invention is described in detail below in conjunction with accompanying drawing.
As shown in the figure, long square platform hydraulic piercing press of the present invention, comprise frame, frame inside front is provided with at least two oil cylinders, slide plate is provided with below oil cylinder, each oil cylinder lower end is all connected to slide plate, ski support plate is provided with below slide plate, row's patrix die shoe is provided with below ski support plate, below each patrix die shoe, correspondence is detachably provided with a red needle, holding pad is provided with below row's red needle, counterdie is provided with below holding pad, described counterdie is fixed on below the counterdie die shoe that is positioned at inside it, described holding pad side is fixed on above counterdie die shoe, described counterdie die shoe is fixed on the workbench that is positioned at below it, workbench is fixed in frame, also feeder is provided with below counterdie, described feeder is fixed on workbench lower outer, counterdie is provided with the punching hole that a row is corresponding with described red needle, described holding pad is also provided with the row pilot hole corresponding with described red needle, the diameter of described pilot hole is greater than the diameter of described punching hole, materials and parts fixture is also symmetrically arranged with at described counterdie die shoe two ends, the punching hole inside of described counterdie is provided with compound sleeve, the described red needle of one row is divided into many groups, often organize 4-6 root red needle, and often red needle is all stepped is arranged in order from high to low for group, the difference in height of adjacent two red needles is 6-10cm.
Wherein, the trunnion shaft of level is provided with above described frame, workbench is provided with below described frame, between trunnion shaft and workbench, interval homogeneous vertical is provided with six roots of sensation backstay, slide plate is arranged on described backstay, described oil cylinder symmetry is arranged on trunnion shaft two ends, and each oil cylinder lower end connects back skating plate.
Described patrix die shoe is the symmetrically arranged fixed block of two panels, wherein one piece of fixed block is fixed in ski support plate, another block fixed block is detachably connected in ski support plate, the face that two described fixed blocks are relative is symmetrically arranged with vertical arc groove, also step surface is provided with in the upper end of each arc groove, corresponding every root red needle is set to cylindrical, the top bilateral symmetry of every root red needle is provided with hangers, red needle is arranged on patrix die shoe, two hangers are hung on the step surface of arc groove upper end, between red needle being fixed therein after two fixed blocks merge.
Outside counterdie die shoe, two ends are provided with inner side locating piece, the outwardly directed adjustable in length of described inner side locating piece, described inner side locating piece is threaded connection and is being fixed on the screw rod outside counterdie die shoe, installation chute has been horizontally disposed with outside ski support plate, in described installation chute, be provided with multiple outsides location-plate, the lower end of described outside location-plate reaches outside counterdie.
Long square platform hydraulic piercing press of the present invention, one row's red needle is set and red needle is divided into several groups, often red needle is all stepped is arranged in order from high to low for group, in the process so just once pressed down at oil cylinder, a round is divided into punching press several times successively, so just can reduce the pressure of oil cylinder, avoid materials and parts flexural deformation, simultaneously again can all hole of a punching press, do not need to retighten punching press, improve precision and efficiency.
Between trunnion shaft and workbench, interval homogeneous vertical is provided with many backstays, and the red needle of whole row's punching of can better leading down is moved, and improves machining accuracy, and stable movement, can reduce the impact of red needle, extend the service life of whole equipment.
Red needle is fixed on patrix die shoe, and two hangers patrix die shoe arranged in two step surfaces and red needle are suitable, the accurate positioning of red needle fixing-stable, and convenient disassembly.Can meet the product demand of client, convenient disassembly, quick changed by upper and lower punch die.
Inner side locating piece and outside location-plate are for regulating the position of materials and parts punching, and inner side locating piece and outside location-plate combine and materials and parts can be fixed on position accurately, improve the precision of punching.
Feeder, for collecting the waste material be punched down, is avoided scattered on the ground, can be that environment is clean and tidy, and recycle collection conveniently.
Punching hole inside is provided with rigidity and the wearability that compound sleeve can increase punching hole, increases the service life, and the punching press dynamics be subject to due to counterdie is very large, so need to prevent distortion.
Long square platform hydraulic piercing press of the present invention, oil cylinder is arranged on the trunnion shaft of machine frame inside, Stability Analysis of Structures, both beautiful and practical, red needle is detachably connected on patrix die shoe, patrix die shoe can facilitate the dismounting of red needle, red needle is divided into several groups, and often red needle is all stepped is arranged in order from high to low for group, is divided into punching press several times in the process that a round can be pressed down at oil cylinder, both solve porous punching press and held yielding problem, solve again the problem of separately punching press repeatedly fixed effect precision.
Holding pad is arranged on above counterdie, needs the materials and parts of punching to be arranged between holding pad and counterdie, and the locating piece of holding pad is fixed on counterdie die shoe two ends, and be also provided with outside location-plate, arranging of holding pad can prevent materials and parts to be bonded in red needle.
Long square platform hydraulic piercing press of the present invention, red needle can be set to 60, and every 5 is one group, 12 groups altogether, in order to alleviate oil cylinder working-pressure, often organizing red needle and being set to stepped, adjacent red needle height difference 8cm, oil cylinder is arranged on inside frame, beauty function, backstay and oil cylinder same plane, more stabilization, be convenient to regulate, all around can finely tune.

Claims (6)

1. one kind long square platform hydraulic piercing press, it is characterized in that: comprise frame, frame inside front is provided with at least two oil cylinders, slide plate is provided with below oil cylinder, each oil cylinder lower end is all connected to slide plate, ski support plate is provided with below slide plate, row's patrix die shoe is provided with below ski support plate, below each patrix die shoe, correspondence is detachably provided with a red needle, holding pad is provided with below row's red needle, counterdie is provided with below holding pad, described counterdie is fixed on below the counterdie die shoe that is positioned at inside it, described holding pad side is fixed on above counterdie die shoe, described counterdie die shoe is fixed on the workbench that is positioned at below it, workbench is fixed in frame, counterdie is provided with the punching hole that a row is corresponding with described red needle, described holding pad is also provided with the row pilot hole corresponding with described red needle, the diameter of described pilot hole is greater than the diameter of described punching hole, materials and parts fixture is also symmetrically arranged with at described counterdie die shoe two ends, the described red needle of one row is divided into many groups, often organize 4-6 root red needle, and often red needle is all stepped is arranged in order from high to low for group, the difference in height of adjacent two red needles is 6-10cm.
2. long square platform hydraulic piercing press as claimed in claim 1, it is characterized in that: the trunnion shaft being provided with level above described frame, workbench is provided with below described frame, between trunnion shaft and workbench, interval homogeneous vertical is provided with many backstays, slide plate is arranged on described backstay, described oil cylinder symmetry is arranged on trunnion shaft two ends, and each oil cylinder lower end connects back skating plate.
3. long square platform hydraulic piercing press as claimed in claim 1, it is characterized in that: described patrix die shoe is the symmetrically arranged fixed block of two panels, wherein one piece of fixed block is fixed in ski support plate, another block fixed block is detachably connected in ski support plate, the face that two described fixed blocks are relative is symmetrically arranged with vertical arc groove, also step surface is provided with in the upper end of each arc groove, corresponding every root red needle is set to cylindrical, the top bilateral symmetry of every root red needle is provided with hangers, red needle is arranged on patrix die shoe, two hangers are hung on the step surface of arc groove upper end, between red needle being fixed therein after two fixed blocks merge.
4. the long square platform hydraulic piercing press as described in claim 1 or 2 or 3, it is characterized in that: outside counterdie die shoe, two ends are provided with inner side locating piece, the outwardly directed adjustable in length of described inner side locating piece, described inner side locating piece is threaded connection and is being fixed on the screw rod outside counterdie die shoe, installation chute has been horizontally disposed with outside ski support plate, in described installation chute, be provided with multiple outsides location-plate, the lower end of described outside location-plate reaches outside counterdie.
5. long square platform hydraulic piercing press as claimed in claim 4, it is characterized in that: below counterdie, be also provided with feeder, described feeder is fixed on workbench lower outer.
6. long square platform hydraulic piercing press as claimed in claim 5, is characterized in that: the punching hole inside of described counterdie is provided with compound sleeve.
CN201410547698.9A 2014-10-16 2014-10-16 Long square platform hydraulic piercing press Active CN104308891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410547698.9A CN104308891B (en) 2014-10-16 2014-10-16 Long square platform hydraulic piercing press

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410547698.9A CN104308891B (en) 2014-10-16 2014-10-16 Long square platform hydraulic piercing press

Publications (2)

Publication Number Publication Date
CN104308891A true CN104308891A (en) 2015-01-28
CN104308891B CN104308891B (en) 2016-03-30

Family

ID=52364269

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410547698.9A Active CN104308891B (en) 2014-10-16 2014-10-16 Long square platform hydraulic piercing press

Country Status (1)

Country Link
CN (1) CN104308891B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106671195A (en) * 2015-11-06 2017-05-17 优利康达(天津)科技有限公司 Punching device for wind generator cabin cover PVC plate

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09254091A (en) * 1996-03-15 1997-09-30 Kawahara Shiki Kk Surface pressure uniforming device in press work machine
CN201906772U (en) * 2010-12-02 2011-07-27 中国一拖集团有限公司 Die structure capable of punching double holes on rectangular pipe
CN202514172U (en) * 2012-03-09 2012-10-31 常州海弘电子有限公司 Molding mould with high and low punch pins
CN203109035U (en) * 2013-01-23 2013-08-07 宁波五谷金属制品有限公司 Disc sieve hole partitioned punching die
CN203370951U (en) * 2013-07-25 2014-01-01 淮安金帝亚机械制造有限公司 Hydraulic machine die special for machining upper barrel edge of agitator
CN203448542U (en) * 2013-08-28 2014-02-26 昆山康雄精密模具有限公司 Punch continuous die for automobile windscreen wiper
CN103624151A (en) * 2012-08-24 2014-03-12 成都科兴密封技术有限公司 Novel progressive die
CN204076376U (en) * 2014-10-16 2015-01-07 马鞍山市力涛数控机床有限公司 Long square platform hydraulic piercing press

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09254091A (en) * 1996-03-15 1997-09-30 Kawahara Shiki Kk Surface pressure uniforming device in press work machine
CN201906772U (en) * 2010-12-02 2011-07-27 中国一拖集团有限公司 Die structure capable of punching double holes on rectangular pipe
CN202514172U (en) * 2012-03-09 2012-10-31 常州海弘电子有限公司 Molding mould with high and low punch pins
CN103624151A (en) * 2012-08-24 2014-03-12 成都科兴密封技术有限公司 Novel progressive die
CN203109035U (en) * 2013-01-23 2013-08-07 宁波五谷金属制品有限公司 Disc sieve hole partitioned punching die
CN203370951U (en) * 2013-07-25 2014-01-01 淮安金帝亚机械制造有限公司 Hydraulic machine die special for machining upper barrel edge of agitator
CN203448542U (en) * 2013-08-28 2014-02-26 昆山康雄精密模具有限公司 Punch continuous die for automobile windscreen wiper
CN204076376U (en) * 2014-10-16 2015-01-07 马鞍山市力涛数控机床有限公司 Long square platform hydraulic piercing press

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106671195A (en) * 2015-11-06 2017-05-17 优利康达(天津)科技有限公司 Punching device for wind generator cabin cover PVC plate

Also Published As

Publication number Publication date
CN104308891B (en) 2016-03-30

Similar Documents

Publication Publication Date Title
CN203109035U (en) Disc sieve hole partitioned punching die
CN109807241A (en) The continuous stamping die of sheet metal
CN205166474U (en) A quick positioning and clamping device for CNC
CN208132434U (en) A kind of electric-spark drilling Cylinder Parts clamping fixture
CN104308000A (en) Support forming die
CN104308891B (en) Long square platform hydraulic piercing press
CN204076376U (en) Long square platform hydraulic piercing press
CN204122573U (en) For the mould of long square platform hydraulic piercing press
CN202779490U (en) Semi-automatic riveting contact equipment
CN207606163U (en) A kind of quickly adjustment high efficiency punching machine
CN108213243B (en) The triangulation location fixture of columnar member and the Special punching mechanism of columnar member end face
CN207533816U (en) A kind of punching press mold suitable for more size plain cushions
CN206367056U (en) A kind of circular pressing and cutting plate
CN204093962U (en) For the punching mechanism of long square platform hydraulic piercing press
CN205148472U (en) A finished product clicker die carrier that after is used for sheet and panel shaping
CN205573127U (en) A clear hole machine for carton production
CN204365867U (en) A kind of riveting die set
CN104525759B (en) Riveting die
CN203622401U (en) Tool cabinet adjustable in height
CN208495523U (en) A kind of numerical control hydraulic punching machine equipment
CN208600544U (en) The double formed punch double jumps of automatic machine are away from mold
CN202683745U (en) Punching machine for lining of refrigeration chamber
CN203725606U (en) Die with punching head capable of lifting in die
CN210916114U (en) Draw-bar box punching device
CN209550326U (en) A kind of desk and chair production profile stamping device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Long rectangular table hydraulic punching machine

Effective date of registration: 20171227

Granted publication date: 20160330

Pledgee: Merchants Bank Ma'anshan branch of Limited by Share Ltd Bowang

Pledgor: MAANSHAN LITAO CNC MACHINE TOOL CO., LTD.

Registration number: 2017340000481

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20191113

Granted publication date: 20160330

Pledgee: Merchants Bank Ma'anshan branch of Limited by Share Ltd Bowang

Pledgor: MAANSHAN LITAO CNC MACHINE TOOL CO., LTD.

Registration number: 2017340000481

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Long rectangular table hydraulic punching machine

Effective date of registration: 20191126

Granted publication date: 20160330

Pledgee: Hengshan Ma'anshan finance Company limited by guarantee

Pledgor: MAANSHAN LITAO CNC MACHINE TOOL CO., LTD.

Registration number: Y2019980000726