CN107282813B - A kind of leaf spring CNC cutting production line - Google Patents

A kind of leaf spring CNC cutting production line Download PDF

Info

Publication number
CN107282813B
CN107282813B CN201710506391.8A CN201710506391A CN107282813B CN 107282813 B CN107282813 B CN 107282813B CN 201710506391 A CN201710506391 A CN 201710506391A CN 107282813 B CN107282813 B CN 107282813B
Authority
CN
China
Prior art keywords
punching
ray
die
receiver
positive
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.)
Active
Application number
CN201710506391.8A
Other languages
Chinese (zh)
Other versions
CN107282813A (en
Inventor
孟宪芸
宋振国
刘延智
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.)
SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd
Original Assignee
SHANDONG LEOPARD AUTOMOTIVE HOLDINGS 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 SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd filed Critical SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd
Priority to CN201710506391.8A priority Critical patent/CN107282813B/en
Publication of CN107282813A publication Critical patent/CN107282813A/en
Application granted granted Critical
Publication of CN107282813B publication Critical patent/CN107282813B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B21D53/00Making other particular articles
    • B21D53/88Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B21D53/886Making other particular articles other parts for vehicles, e.g. cowlings, mudguards leaf springs
    • 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
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001Shaping combined with punching, e.g. stamping and perforating
    • 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
    • B21D35/00Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002Processes combined with methods covered by groups B21D1/00 - B21D31/00

Abstract

A kind of leaf spring CNC cutting production line, belongs to leaf spring processing equipment field.It is characterized by comprising bearing platform, front delivery mechanism, compound blanking punching die device, rear conveying mechanism, centre punching mold device, sizing mechanism of reinforcing, transfer device, Ma Liao mechanism and epicyclical mechanisms;The side of front delivery mechanism is arranged in the bearing platform, and the bearing platform includes stage body and charging ram, and material can be pushed to material in front delivery mechanism by the charging ram from stage body;Material can be delivered to compound blanking punching die device by the front delivery mechanism;After automatic stocking centering, rush in centre bore punching die device the processing of centre bore;By sizing mechanism of reinforcing automatic cut-to-length, the product that punching is completed is sent by transfer device to Ma Liao mechanism, final product stacking to epicyclical mechanism length direction.The fixed length that the present invention can automate implementation leaf spring cuts and pinpoints punching operation, and effective improving production efficiency simultaneously reduces production cost.

Description

A kind of leaf spring CNC cutting production line
Technical field
The invention belongs to leaf spring processing equipment fields, and in particular to a kind of leaf spring CNC cutting production line.
Background technique
Leaf spring (Leaf Spring) leaf spring is most widely used a kind of elastic element in automotive suspension, it If being alloy spring piece be composed one of but Length discrepancy wide by dry plate (thickness can be equal, can also be unequal) close Like equicohesive spring beam.When leaf spring is mounted in automotive suspension, and the vertical load born is positive, each spring leaf All stress deformations, the curved trend of oriented arch.At this moment, vehicle bridge and vehicle frame are just close to each other.When vehicle bridge and vehicle frame away from each other when, Positive vertical load suffered by leaf spring and deformation are just gradually reduced, sometimes even can be reversed.
The steel plate of flat, rectangular is in Curved, and the chassis spring built up with several pieces, one end is mounted on hanger with mortise pin On, the other end is connected on crossbeam using lifting lug, makes spring flexible.It is cross-country suitable for sending firmly for some non-bearing vehicle bodies at present On vehicle and visitor/lorry.Its advantages are that structure is simple, and reliable operation is low in cost, easy to maintenance.It is both the elasticity of suspension Element, and be the guiding device of suspension.Its one end and vehicle frame are hinged, can transmit various power and torque, and determine wheel Bounce track.Meanwhile itself also has certain damping by friction effect.Killing three birds with one stone, so being widely used on rigid axle suspension.
In the process of leaf spring, needs to decide as needed length and bored between two parties in the direction of the width Hole, traditional processing method are to enable worker be cut after measurement of the steel plate manually piecewise, and punching is determined in scribing line on the leaf spring cut Position, then the plate spring sheet for pulling line is placed on perforating press carries out punching operation manually.Not due to cutter size and punching position Together, it so workload is very big, is not possible to realize automation processing.In consideration of it, applicant devises this set production line, it can be automatic The fixed length for changing implementation leaf spring cuts and pinpoints punching operation, and effective improving production efficiency simultaneously reduces production cost.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of leaf spring CNC cutting production lines, can automate implementation steel The fixed length of flat spring cuts and pinpoints punching operation, and effective improving production efficiency simultaneously reduces production cost.
In order to solve the above technical problems, the technical scheme is that provide a kind of plate leaf spring CNC cutting production line, It is characterized in that including bearing platform, front delivery mechanism, compound blanking punching die device, rear conveying mechanism, centre punching mold device, determines Ruler mechanism, transfer device, Ma Liao mechanism and epicyclical mechanism;The side of front delivery mechanism, the bearing material is arranged in the bearing platform Platform includes stage body and charging ram, and the charging ram can push to material in front delivery mechanism from stage body;Conveying before described Material can be delivered to compound blanking punching die device by mechanism;The compound blanking punching die device can process 180- The product of 800mm length range, material is entered center automatically by conveying mechanism after the product greater than 800mm passes through after cutting Hole punching station after automatic stocking centering, rush in centre bore punching die device the processing of centre bore;Length direction is by scale Mechanism automatic cut-to-length, the product that punching is completed are sent by transfer device to Ma Liao mechanism, and final product stacking to week is made a connection Structure.
Preferably, the compound blanking punching die device includes upper die body and lower mold body, the upper die body and lower mold body it Between pass through main guide post and the guiding cooperation of secondary guide post;Upper punch is set on upper die body, die hole under being arranged in lower mold body, institute It states upper punch and lower die hole cooperates location and installation;The upper punch can be realized punching or end lettering operation;On upper die body Upper cutter is set, lower cutter is set in lower mold body, the upper cutter and lower cutter can cooperate progress material to cut.
Preferably, the centre punching mold device includes punching mould body and to positive material-pulling device, and punching mould body includes Upper piercing die and lower piercing die;
Described includes to positive testing agency, pusher to positive control device, photoelectricity to positive platform and to just pushing away to positive material-pulling device Bar, upper planes align of the pusher to positive platform and lower piercing die;The photoelectricity to positive testing agency include left aligning block and Center line transmitter is arranged in the left aligning block for right aligning block, is arranged center line receiver in the right aligning block, it is described in The central ray that heart line transmitter projects is received by center line receiver;Left sliding rail is set in left aligning block, on the right side to just Right sliding rail is set on block, and the middle part of left sliding rail is arranged in the center line transmitter, and right sliding rail is arranged in center line receiver Middle part;It further include preceding ray emitter, preceding ray receiver, rear ray emitter and rear ray receiver, the preceding ray hair Emitter and rear ray emitter are separately positioned on the two sides of center line transmitter on left sliding rail, and forward and backward ray emitter is all It can be slided along left sliding rail by electrically slipping device;Ray emitter and rear ray receiver are separately positioned on right sliding rail after described The two sides of upper center line receiver, and forward and backward ray receiver all passes through electrically slipping device and can slide along right sliding rail;It is described Ray emitter synchronizing moving before preceding ray receiver can follow, the rear ray receiver can be with subsequent ray emitter Synchronizing moving;Preceding ray emitter emits preceding ray and is received by preceding ray receiver;Afterwards ray emitter transmitting after ray simultaneously It is received by rear ray receiver;
It is described front and back ray receiver be controlled to positive control device to move left and right;When needing to waiting for punching spring steel It is described that forward and backward ray hair is controlled respectively to positive control device in advance by the width dimensions input of steel spring plate to positive control device when plate Emitter is equally positioned in the left and right sides of center line transmitter;It is described that positive push rod is pushed to punching steel spring plate by pusher to just flat Platform is pushed into the upper plane of lower piercing die, until stop pusher movement when the left and right sides of steel spring plate is between the ray of front and back, Start punching operation.
Preferably, the front delivery mechanism, rear conveying mechanism and transfer device are roller bed type conveyer belt.
Compared with prior art, the beneficial effects of the present invention are: the present invention can automate the fixed length for implementing leaf spring Punching operation is cut and pinpoints, effective improving production efficiency simultaneously reduces production cost.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of compound blanking punching die device;
Fig. 3 is the lateral view of Fig. 2;
Fig. 4 is the structural schematic diagram (original state) of centre punching mold device;
Fig. 5 is the structural schematic diagram of centre punching mold device (pusher is to positive status);
Fig. 6 is the structural schematic diagram (punching state) of centre punching mold device;
Fig. 7 is structural schematic diagram of the photoelectricity to positive testing agency;
In figure: 1, bearing platform;2, front delivery mechanism;
3, compound blanking punching die device;3.1, upper die body;3.2, upper cutter;3.3, lower cutter;3.4, lower mold body;3.5, Lower die hole;3.6, main guide post;3.7, secondary guide post;3.8, upper punch;
4, rear conveying mechanism;
5, centre punching mold device;5.1, upper piercing die;5.2, lower piercing die;5.3, pusher is to positive platform;5.4, to just Push rod;5.5, left aligning block;5.6, preceding ray emitter;5.7, center line transmitter;5.8, left sliding rail;5.9, rear ray emission Device;5.10, rear ray receiver;5.11, right sliding rail;5.12, center line receiver;5.13, preceding ray receiver;5.14, it is right Aligning block;5.15, rear ray;5.16, central ray;5.17, preceding ray;
6, sizing mechanism of reinforcing;7, transfer device;8, Ma Liao mechanism;9, epicyclical mechanism;10, steel spring plate.
Specific embodiment
As shown in Figure 1, plate of the present invention include bearing platform, it is front delivery mechanism, compound blanking punching die device, rear defeated Send mechanism, centre punching mold device, sizing mechanism of reinforcing, transfer device, Ma Liao mechanism and epicyclical mechanism.The front delivery mechanism, after Conveying mechanism and transfer device are roller bed type conveyer belt.
The side of front delivery mechanism is arranged in the bearing platform, and the bearing platform includes stage body and charging ram, the pusher Bar can push to material in front delivery mechanism from stage body;Material can be delivered to compound blanking by the front delivery mechanism Punching die device;The compound blanking punching die device can process the product of 180-800mm length range, greater than 800mm's Material is entered centre bore punching station automatically by conveying mechanism after product passes through after cutting, after automatic stocking centering, in Heart hole punching die device rush the processing of centre bore;By sizing mechanism of reinforcing automatic cut-to-length, the product that punching is completed passes through length direction Transfer device is crossed to send to Ma Liao mechanism, final product stacking to epicyclical mechanism.
As shown in Figures 2 and 3, the compound blanking punching die device includes upper die body and lower mold body, and the upper die body is under Pass through main guide post and secondary guide post guiding cooperation between die body;Upper punch is set on upper die body, under being arranged in lower mold body Die hole, the upper punch and lower die hole cooperate location and installation;The upper punch can be realized punching or end lettering operation;Upper Upper cutter is set on die body, lower cutter is set in lower mold body, the upper cutter and lower cutter can cooperate progress material to cut.
As Figure 4-Figure 6, the centre punching mold device includes punching mould body and to positive material-pulling device, punching mould body Including upper piercing die and lower piercing die.
Described includes to positive testing agency, pusher to positive control device, photoelectricity to positive platform and to just pushing away to positive material-pulling device Bar, upper planes align of the pusher to positive platform and lower piercing die.
As shown in fig. 7, the photoelectricity includes left aligning block and right aligning block to positive testing agency, set in the left aligning block Center line transmitter is set, center line receiver, the central ray that the center line transmitter projects are set in the right aligning block It is received by center line receiver;Left sliding rail is set in left aligning block, right sliding rail, the center line are set in right aligning block The middle part of left sliding rail is arranged in transmitter, and the middle part of right sliding rail is arranged in center line receiver;It further include preceding ray emitter, preceding Ray receiver, rear ray emitter and rear ray receiver, the preceding ray emitter and rear ray emitter are respectively set The two sides of center line transmitter on left sliding rail, and forward and backward ray emitter all pass through electrically slipping device can be along left sliding rail Sliding;Ray emitter and rear ray receiver are separately positioned on the two sides of center line receiver on right sliding rail after described, and Forward and backward ray receiver, which all passes through electrically slipping device, to be slided along right sliding rail;The preceding ray receiver is penetrated before capable of following Line transmitter synchronization is mobile, and the rear ray receiver can be with subsequent ray emitter synchronizing moving;Preceding ray emitter hair It penetrates preceding ray and is received by preceding ray receiver;It ray and is received afterwards by rear ray receiver after ray emitter transmitting.
It is described front and back ray receiver be controlled to positive control device to move left and right;When needing to waiting for punching spring steel It is described that forward and backward ray hair is controlled respectively to positive control device in advance by the width dimensions input of steel spring plate to positive control device when plate Emitter is equally positioned in the left and right sides of center line transmitter;It is described that positive push rod is pushed to punching steel spring plate by pusher to just flat Platform is pushed into the upper plane of lower piercing die, until stop pusher movement when the left and right sides of steel spring plate is between the ray of front and back, Start punching operation.
Sizing mechanism of reinforcing of the present invention is the mature prior art, to the length of automatic measurement leaf spring, can with cut Cutting mill cooperation, realizes automatic cut-to-length cutting and positioning drilling, and structure repeats no more.
The fixed length that the present invention can automate implementation leaf spring cuts and pinpoints punching operation, effective improving production efficiency And reduce production cost.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint It is the present invention that those skilled in the art, which is combined possibly also with the technology contents of the disclosure above, changes or retrofits, Equivalent embodiment.Without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection scope of technical solution of the present invention.

Claims (3)

1. a kind of leaf spring CNC cutting production line, it is characterised in that including bearing platform, front delivery mechanism, compound blanking piercing die dress It sets, rear conveying mechanism, centre punching mold device, sizing mechanism of reinforcing, transfer device, Ma Liao mechanism and epicyclical mechanism;The bearing platform The side of front delivery mechanism is set, and the bearing platform includes stage body and charging ram, and the charging ram can be by material from stage body On push in front delivery mechanism;Material can be delivered to compound blanking punching die device by the front delivery mechanism;It is described multiple The product of 180-800mm length range can be processed by closing blanking punching die device, and the product greater than 800mm passes through after cutting Material is entered centre bore punching station automatically by conveying mechanism afterwards, after automatic stocking centering, is carried out in centre bore punching die device Rush the processing of centre bore;By sizing mechanism of reinforcing automatic cut-to-length, the product that punching is completed is sent by transfer device to code material length direction Mechanism, final product stacking to epicyclical mechanism;
The centre punching mold device includes punching mould body and to positive material-pulling device, punching mould body include upper piercing die and under Piercing die;
Described includes to positive testing agency, pusher to positive control device, photoelectricity to positive platform and to positive push rod, institute to positive material-pulling device Pusher is stated to the upper planes align of positive platform and lower piercing die;The photoelectricity includes left aligning block and the right side to just to positive testing agency Center line transmitter is arranged in the left aligning block for block, and center line receiver, the center line hair are arranged in the right aligning block The central ray that emitter projects is received by center line receiver;Left sliding rail is set in left aligning block, is set in right aligning block Right sliding rail is set, the middle part of left sliding rail is arranged in the center line transmitter, and the middle part of right sliding rail is arranged in center line receiver;Also Including preceding ray emitter, preceding ray receiver, rear ray emitter and rear ray receiver, the preceding ray emitter is with after Ray emitter is separately positioned on the two sides of center line transmitter on left sliding rail, and forward and backward ray emitter all pass through it is electronic Slide device can be slided along left sliding rail;Ray emitter and rear ray receiver are separately positioned on center line on right sliding rail after described The two sides of receiver, and forward and backward ray receiver all passes through electrically slipping device and can slide along right sliding rail;The preceding ray connects Preceding ray emitter synchronizing moving can be followed by receiving device, and the rear ray receiver synchronous with subsequent ray emitter can move It is dynamic;Preceding ray emitter emits preceding ray and is received by preceding ray receiver;It ray and is penetrated by after after ray emitter transmitting afterwards Line receiver receives;
It is described front and back ray receiver be controlled to positive control device to move left and right;When needing to waiting for punching steel spring plate When, the width dimensions of steel spring plate are inputted to positive control device in advance, it is described that forward and backward ray emission is controlled respectively to positive control device Device is equally positioned in the left and right sides of center line transmitter;It is described that positive push rod is pushed to punching steel spring plate by pusher to positive platform It is pushed into the upper plane of lower piercing die, until stopping pusher movement when the left and right sides of steel spring plate is between the ray of front and back, opening Beginning punching operation.
2. leaf spring CNC cutting production line according to claim 1, it is characterised in that the compound blanking punching die device Including upper die body and lower mold body, pass through main guide post and secondary guide post guiding cooperation between the upper die body and lower mold body;Upper Upper punch is set on die body, and die hole under being arranged in lower mold body, the upper punch and lower die hole cooperate location and installation;The upper punching Head can be realized punching or end lettering operation;Upper cutter is set on upper die body, lower cutter is set in lower mold body, it is described on Cutter and lower cutter can cooperate progress material to cut.
3. leaf spring CNC cutting production line according to claim 2, it is characterised in that the front delivery mechanism, rear conveyer Structure and transfer device are roller bed type conveyer belt.
CN201710506391.8A 2017-06-28 2017-06-28 A kind of leaf spring CNC cutting production line Active CN107282813B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710506391.8A CN107282813B (en) 2017-06-28 2017-06-28 A kind of leaf spring CNC cutting production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710506391.8A CN107282813B (en) 2017-06-28 2017-06-28 A kind of leaf spring CNC cutting production line

Publications (2)

Publication Number Publication Date
CN107282813A CN107282813A (en) 2017-10-24
CN107282813B true CN107282813B (en) 2019-05-31

Family

ID=60099787

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710506391.8A Active CN107282813B (en) 2017-06-28 2017-06-28 A kind of leaf spring CNC cutting production line

Country Status (1)

Country Link
CN (1) CN107282813B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108375360B (en) * 2018-02-26 2021-12-10 山东雷帕得汽车技术股份有限公司 Online chord length check out test set of leaf spring

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810045A2 (en) * 1996-04-30 1997-12-03 Eaton Corporation Method and apparatus for forming a leaf spring eye
CN101462145A (en) * 2008-12-31 2009-06-24 山东中元自动化设备有限公司 Equipment for finishing aligning, end-cutting and hole-punching at one time after rolling single end of vehicle plate spring
CN203764781U (en) * 2014-03-31 2014-08-13 四川华玉车辆板簧有限公司 Punching and blanking progressive die for automobile leaf spring through-hole clips
CN203875612U (en) * 2014-06-04 2014-10-15 中集集团集装箱控股有限公司 Automatic production system for container bottom cross beam
CN205926916U (en) * 2016-08-26 2017-02-08 四川华玉车辆板簧有限公司 Leaf spring unloading production line that punches a hole
CN206009553U (en) * 2016-08-26 2017-03-15 四川华玉车辆板簧有限公司 A kind of vehicle leaf spring blanking, punching, the integrated progressive die of impressing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0810045A2 (en) * 1996-04-30 1997-12-03 Eaton Corporation Method and apparatus for forming a leaf spring eye
CN101462145A (en) * 2008-12-31 2009-06-24 山东中元自动化设备有限公司 Equipment for finishing aligning, end-cutting and hole-punching at one time after rolling single end of vehicle plate spring
CN203764781U (en) * 2014-03-31 2014-08-13 四川华玉车辆板簧有限公司 Punching and blanking progressive die for automobile leaf spring through-hole clips
CN203875612U (en) * 2014-06-04 2014-10-15 中集集团集装箱控股有限公司 Automatic production system for container bottom cross beam
CN205926916U (en) * 2016-08-26 2017-02-08 四川华玉车辆板簧有限公司 Leaf spring unloading production line that punches a hole
CN206009553U (en) * 2016-08-26 2017-03-15 四川华玉车辆板簧有限公司 A kind of vehicle leaf spring blanking, punching, the integrated progressive die of impressing

Also Published As

Publication number Publication date
CN107282813A (en) 2017-10-24

Similar Documents

Publication Publication Date Title
CN104741441B (en) Hollow guide rail automatic punch production line
CN106564111A (en) Decorative board processing and mounting equipment and processing method thereof
CN201735871U (en) Automatic length-fixing and cutting-off plate shearing machine
CN102009416A (en) Automatically length-fixing plate shearing machine
CN107282813B (en) A kind of leaf spring CNC cutting production line
CN203471319U (en) Machining production line for container panels
CN105710615A (en) Full-automatic production line for cutting, punching and bending of plate
CN101690963A (en) Length control device of reinforcement cutting shears
CN205587575U (en) Solder wire send traditional thread binding putting automatically
CN210254970U (en) Leaf spring assembly equipment pre-compaction production line
CN104493623B (en) Double-slider reciprocating feeding mechanism
CN103302199A (en) Multi-station automatic feeding device for sheet forming
CN203508817U (en) Hardware piece punch forming and nut riveting continuous production line
CN208195485U (en) A kind of small size stamping parts automatic material connection device
CN102642048A (en) Novel flat plate-shearing mechanism
CN209006547U (en) A kind of plate interval feed mechanism
CN206997669U (en) Aluminium sheet riveting processing feeding device
CN206764245U (en) A kind of contact network cantilever embryo material automatic transport production line
CN205289593U (en) Reinforcing bar snatchs conveyor
CN204685868U (en) T-shaped keel forming cutting machine
CN212173793U (en) Automatic flat iron feeding equipment
CN204638857U (en) Hollow guide rail automatic punch production line
CN108746335A (en) A kind of sliding rail of automobile seat automatic punching device
CN202606969U (en) Novel flat plate shearing mechanism
CN102784957A (en) Novel cut-off plate shearing machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Leaf spring numerical control blanking production line

Effective date of registration: 20200421

Granted publication date: 20190531

Pledgee: Zichuan Zibo rural commercial bank Limited by Share Ltd

Pledgor: SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd.

Registration number: Y2020980001680

PE01 Entry into force 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: 20210702

Granted publication date: 20190531

Pledgee: Zichuan Zibo rural commercial bank Limited by Share Ltd.

Pledgor: SHANDONG LEOPARD AUTOMOTIVE HOLDINGS Ltd.

Registration number: Y2020980001680

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