CN209867143U - Stamping die for processing arched workpiece - Google Patents

Stamping die for processing arched workpiece Download PDF

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Publication number
CN209867143U
CN209867143U CN201920606730.4U CN201920606730U CN209867143U CN 209867143 U CN209867143 U CN 209867143U CN 201920606730 U CN201920606730 U CN 201920606730U CN 209867143 U CN209867143 U CN 209867143U
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CN
China
Prior art keywords
die
template
workpiece
plate
horizontally
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.)
Expired - Fee Related
Application number
CN201920606730.4U
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Chinese (zh)
Inventor
周明
段炳龙
镇海龙
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.)
Jingzhou Taisheng Ronghe General Machinery Co Ltd
Original Assignee
Jingzhou Taisheng Ronghe General Machinery 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 Jingzhou Taisheng Ronghe General Machinery Co Ltd filed Critical Jingzhou Taisheng Ronghe General Machinery Co Ltd
Priority to CN201920606730.4U priority Critical patent/CN209867143U/en
Application granted granted Critical
Publication of CN209867143U publication Critical patent/CN209867143U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a stamping die for processing an arch-shaped workpiece, which comprises an upper template, an upper die, a lower template, an elastic component, a pushing component and a conveying component, wherein the lower template is horizontally arranged, and a first channel is vertically arranged at the center of the lower template; the lower die is horizontally arranged on the lower die plate, and a die cavity communicated with the first channel is arranged at the center of the lower die; the upper die plate is horizontally arranged and is arranged above the lower die in a vertically moving mode, the upper die is horizontally arranged on the lower surface of the upper die plate, and a punch matched with the die cavity is arranged in the center of the lower surface; the elastic assembly is arranged in the first channel and extends upwards into the die cavity, the material pushing assembly is arranged on one side of the lower die, and the conveying assembly is arranged on the other side of the lower die; after the workpiece is formed, the elastic component vertically pushes the workpiece to the upper part of the die cavity, and the pushing component horizontally pushes the workpiece to the conveying component. The utility model has the advantages of high stamping precision and good product quality; realize automatic discharge, convenient and fast, production efficiency improves safe and reliable greatly.

Description

Stamping die for processing arched workpiece
Technical Field
The utility model relates to a mould manufacturing technical field, concretely relates to stamping die for processing arch work piece.
Background
The mould is used for obtaining various moulds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. A mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The stamping die is one kind of die, and it mainly utilizes the change of physical state of formed material to implement processing of article appearance, and under the action of external force the blank can be made into the tool with specific form and size, so that it can be extensively used in the processes of blanking, die forging, cold heading, extrusion, powder metallurgy part pressing and pressure casting, and the forming process of compression moulding or injection moulding of engineering plastics, rubber and ceramics, etc.
After the arch-shaped workpiece is punched and formed by the die, the traditional processing mode is generally manual unloading, the manual labor intensity is high, and the production efficiency is low; meanwhile, the danger coefficient of manual operation is high.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a stamping die for processing an arch-shaped workpiece, which has simple structure, high stamping precision and good product quality; realize automatic discharge, convenient and fast, production efficiency improves safe and reliable greatly.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a stamping die for machining an arched workpiece comprises an upper template, an upper die, a lower template, an elastic assembly, a material pushing assembly and a conveying assembly, wherein the lower template is horizontally arranged, and a first channel is vertically arranged at the center of the lower template; the lower die is horizontally arranged on the lower die plate, and a die cavity communicated with the first channel is formed in the center of the lower die; the upper die plate is horizontally arranged and is arranged above the lower die in a vertically moving mode, the upper die is horizontally arranged on the lower surface of the upper die plate, and a punch matched with the die cavity is arranged in the center of the lower surface; the elastic assembly is arranged in the first channel and extends upwards into the die cavity, the material pushing assembly is arranged on one side of the lower die, and the conveying assembly is arranged on the other side of the lower die; after the workpiece is molded, the elastic component vertically pushes the workpiece to the upper part of the die cavity, and the pushing component horizontally pushes the workpiece to the conveying component.
The utility model has the advantages that: the upper template is fixedly connected with the telescopic end of the cylinder on the machine tool, and a welding mode is usually adopted; in the process of processing a workpiece, firstly, placing a raw material on a lower die; secondly, starting an air cylinder, wherein the air cylinder drives an upper template and an upper die to downwards stamp the raw materials on the lower die; thirdly, after the punching is finished, the cylinder drives the upper template and the upper die to move upwards; fourthly, the elastic component pushes the workpiece in the die cavity out of the die cavity upwards by means of the elastic tension of the elastic component; and fifthly, horizontally pushing the ejected workpieces to a conveying assembly through a pushing assembly, and conveying the processed workpieces to a packing position through the conveying assembly. The utility model has simple structure, high stamping precision and good product quality; realize automatic discharge, convenient and fast, production efficiency improves safe and reliable greatly.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the pushing assembly comprises a spring and an ejector rod, the spring is vertically arranged in the first channel, and the lower end of the spring is fixedly connected with the bottom of the first channel; the ejector rod is vertically arranged in the first channel and located above the spring, the lower end of the ejector rod is fixedly connected with the upper end of the spring, and the upper end of the ejector rod extends upwards into the die cavity and is abutted to the lower surface of the workpiece.
The further scheme has the advantages that the cylinder drives the upper template and the upper die to move downwards to punch the raw materials on the lower die, and the spring is in a compressed state; after the workpiece is molded, the cylinder drives the upper die plate and the upper die to move upwards to loosen the molded workpiece, the ejector rod moves upwards to eject the molded workpiece out of the die cavity by means of the tension of the spring, unloading is convenient and rapid, the molded workpiece does not need to be manually taken out, and safety and reliability are achieved.
Furthermore, the upper end of the ejector rod is connected with a top plate which is horizontally arranged.
Adopt above-mentioned further scheme's beneficial effect be roof and work piece butt, through the roof increase with the work piece between area of contact, stability when reinforcing work piece is ejecting.
Further, the material pushing assembly comprises an air cylinder and a push plate, the air cylinder is erected on one side of the lower die, and a telescopic end of the air cylinder faces the lower die in the horizontal direction; the push plate is vertically arranged between the lower die and the cylinder and is fixedly connected with the telescopic end of the cylinder.
The beneficial effects of adopting above-mentioned further scheme are that after the work piece was ejecting the die cavity, drive the work piece level propelling movement on with the lower mould to the transport assembly through the cylinder on, easy and simple to handle.
Further, the conveying assembly is a belt conveyor.
The beneficial effects of adopting above-mentioned further scheme are that simple structure carries fashioned work piece to packing department, need not artifical transport, and artifical intensity of labour reduces, and the material resources of using manpower sparingly practice thrift the cost, and production efficiency improves.
Further, a lower support plate is horizontally arranged between the lower die and the lower die plate, and a second channel communicated with the first channel and the die cavity is vertically arranged in the center of the lower support plate.
The beneficial effects of adopting above-mentioned further scheme are that increase the stability of lower mould, improve the precision of mould punching press, ensure product quality.
Further, the lower die base plate is horizontally arranged below the lower die plate.
The beneficial effect of adopting above-mentioned further scheme is that the stability of whole device is increased.
Furthermore, an equal-height seat is arranged between the lower template and the lower die bottom plate.
Adopt the beneficial effect of above-mentioned further scheme to increase the level of whole device through the seat of equalling the height to highly match with the lathe, convenient production.
It should be noted that the height of the equal-height seat is selected according to the type of the machine tool, so as to ensure that the equal-height seat and the machine tool are matched with each other, and the production is convenient.
Furthermore, at least one group of guide assemblies is arranged between the upper template and the lower template at intervals, and the guide assemblies are positioned on one side of the lower template adjacent to the conveying assembly.
The beneficial effects of adopting above-mentioned further scheme are that improve the precision of mould punching press work piece, ensure product quality.
Further, the guide assembly comprises a guide cylinder and a guide post, the guide cylinder is vertically arranged, and the upper end of the guide cylinder is fixedly connected with the upper template; the guide post is vertically arranged in the guide cylinder in a sliding mode, and the lower end of the guide post is fixedly connected with the lower template.
The beneficial effects of adopting above-mentioned further scheme are that go up the mould and move down the in-process, the guide cylinder moves down along the guide post, improves the precision of mould punching press work piece, improves product quality.
Drawings
FIG. 1 is a schematic view of the structure of the present invention during stamping;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic structural view of the utility model during discharging;
fig. 4 is an enlarged view of B in fig. 3.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises an upper template, 2, an upper die, 3, a lower die, 4, a lower template, 5, a die cavity, 6, a punch, 7, a spring, 8, an ejector rod, 9, a top plate, 10, a cylinder, 11, a push plate, 12, a lower die supporting plate, 13, a lower die bottom plate, 14, a workpiece, 15, an equal-height seat, 16, a belt, 17, a motor, 18, a rack, 19 and a roller.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 4, the utility model provides a stamping die for processing an arch-shaped workpiece, which comprises an upper template 1, an upper die 2, a lower die 3, a lower template 4, an elastic component, a pushing component and a conveying component, wherein the lower template 4 is horizontally arranged, and a first channel is vertically arranged at the center of the lower template; the lower die 3 is horizontally arranged on a lower die plate 4, a die cavity 5 communicated with the first channel is arranged at the center of the lower die 4, and the die cavity 5 is formed by the inner concave of the upper surface of the lower die 3; the upper die plate 1 is horizontally arranged, the upper die plate moves up and down and is arranged above the lower die 3, the upper die 2 is horizontally arranged on the lower surface of the upper die plate 1, a punch 6 matched with the die cavity is arranged in the center of the lower surface, and the punch 6 and the upper die 2 are integrally formed. The elastic assembly is arranged in the first channel and extends upwards into the die cavity 5, the material pushing assembly is arranged on one side of the lower die 3, and the conveying assembly is arranged on the other side of the lower die 3; after the workpiece 14 is formed, the elastic component vertically pushes the workpiece 14 to the upper part of the die cavity 5, and the pushing component horizontally pushes the workpiece 14 to the conveying component. The upper template 1 is fixedly connected with the telescopic end of the cylinder on the machine tool, and a welding mode is generally adopted. During the processing of the workpiece 14, firstly, the raw material is placed on the lower die 3; secondly, starting an air cylinder on the machine tool, and driving an upper template 1 and an upper die 2 to downwards punch the raw materials on a lower die 3 by the air cylinder; thirdly, after the punching is finished, the cylinder drives the upper template 1 and the upper die 2 to move upwards; fourthly, the elastic component pushes the workpiece 14 in the die cavity 5 upwards out of the die cavity 5 by means of the elastic tension of the elastic component; fifthly, the pushed workpieces 14 are horizontally pushed to the conveying assembly through the pushing assembly, and the processed workpieces 14 are conveyed to a packing position through the conveying assembly. The utility model has simple structure, high stamping precision and good product quality; realize automatic discharge, convenient and fast, production efficiency improves safe and reliable greatly.
It should be noted that the lower die 3 and the lower die plate 4, and the upper die plate 1 and the upper die 2 can be connected by bolts, and the upper die plate 1, the upper die 2, the lower die 3 and the lower die plate 4 are respectively provided with a screw hole matched with the bolt.
In the utility model, the pushing component comprises a spring 7 and a mandril 8, the spring 7 is vertically arranged in the first channel, and the lower end of the spring is fixedly connected (welded) with the bottom of the first channel; the ejector rod 8 is vertically arranged in the first channel and located above the spring 7, the lower end of the ejector rod is fixedly connected (welded) with the upper end of the spring 7, and the upper end of the ejector rod upwards extends into the die cavity 5 and is abutted to the lower surface of the workpiece 14. In the processing process, the cylinder on the machine tool drives the upper template 1 and the upper die 2 to move downwards to punch the raw materials on the lower die 3, and the spring 7 is in a compressed state; after the workpiece 14 is formed, the air cylinder on the machine tool drives the upper die 1 plate and the upper die 2 to move upwards to loosen the formed workpiece 14, the ejector rod 8 moves upwards to eject the formed workpiece 14 out of the die cavity 5 by means of the tension of the spring 7, discharging is convenient and rapid, the formed workpiece 14 does not need to be taken out manually, and safety and reliability are achieved.
Preferably, the utility model discloses in, the roof 9 that the level set up is connected with to the upper end of ejector pin 8, and roof 9 and 14 butts of work piece increase through roof 9 and work piece 14 between area of contact, stability when reinforcing work piece 14 is ejecting.
In the utility model, the pushing component comprises a cylinder 10 and a push plate 11, the cylinder 10 is erected on one side of the lower die 3 through a bracket, the telescopic end of the cylinder is arranged towards the lower die 3 along the horizontal direction, and the cylinder 10 is welded on the top of the bracket; the vertical setting of push pedal 11 is between lower mould 3 and cylinder 10 to with the flexible end fixed connection of cylinder 10, adopt welding or bolted connection's mode usually, be equipped with respectively on the flexible end of cylinder 10 and the push pedal 11 when adopting bolted connection with bolt complex screw. After the workpiece 14 is ejected out of the die cavity 5, the cylinder 10 drives the push plate 11 to horizontally push the workpiece 14 on the lower die 3 to the conveying assembly, so that the operation is simple and convenient, the automatic conveying is realized, the manual carrying is not needed, the manpower and material resources are saved, and the production efficiency is greatly improved.
It should be noted that the horizontal height of the lower side of the push plate 11 is equal to the horizontal height of the upper surface of the lower die 3, so as to ensure that the cylinder 10 drives the push plate 11 to push the formed workpiece 14 on the lower die 3 onto the belt 16.
In the utility model, the conveying component is a belt conveyor, which comprises a belt 16, a motor 17, a frame 18 and two rollers 19, wherein the two rollers 19 are horizontally arranged at two ends of the frame 18 side by side, each roller 19 is rotationally connected with the corresponding end of the frame 18, and the belt 16 is sleeved on the two rollers 19; the motor 17 is installed on the frame 18, the driving end of the motor 17 is welded with one end of any one of the rollers 19, the motor 19 is fixed on the frame 18 through bolts, and screw holes matched with the bolts are respectively arranged on the shell of the motor 17 and the corresponding positions of the frame 18. After the workpiece 14 is molded, the roller 19 and the belt 16 are driven to rotate through the motor 17, so that the molded workpiece 14 is conveyed to a packing position without manual carrying, the labor intensity is reduced, the manpower and material resources are saved, the cost is saved, and the production efficiency is improved.
It should be noted that the belt 16 has the same level as the upper surface of the lower die 3, so that the push plate 11 can push the workpiece 14 onto the belt 16.
Preferably, in the utility model, a lower support plate 12 is horizontally arranged between the lower die 3 and the lower mold plate 4, and a second channel communicated with the first channel and the mold cavity 5 is vertically arranged at the center of the lower support plate 12; the lower support plate 12 is connected with the lower die 3 and the lower die plate 4 through bolts respectively, and screw holes matched with the bolts are formed in the lower support plate 12, the lower die plate 4 and the lower die 3 respectively. The lower die supporting plate 12 increases the stability of the lower die 3, improves the stamping precision of the die and ensures the product quality. When the lower supporting plate 12 is not arranged, the lower template 4 and the lower die 3 can be connected through bolts, and screw holes matched with the bolts are respectively formed in the lower die 3 and the lower template 4.
The utility model also comprises a lower die bottom plate 13 horizontally arranged below the lower die plate 4, and a constant-height seat 15 is arranged between the lower die plate 4 and the lower die bottom plate 13; the top and the bottom of the equal-height seat 15 are respectively connected with the lower template 4 and the lower die bottom plate 13 through bolts, so that the equal-height seat 15, the lower template 4 and the lower die bottom plate 13 are convenient to disassemble and assemble, and screw holes matched with the bolts are respectively arranged on the equal-height seat 15, the lower template 4 and the lower die bottom plate 13. The lower die base plate 13 can increase the stability of the whole device, and the level height of the whole device is increased through the equal-height seat 15 so as to be matched with the height of a machine tool and facilitate production. When the equal-height seat 15 is not arranged, the lower template 4 is connected with the lower die bottom plate 13 through bolts, and screw holes matched with the bolts are respectively arranged on the lower template 4 and the lower die bottom plate 13.
It should be noted that, the height of the equal-height seat 15 is selected according to the model of the machine tool, so as to ensure that the equal-height seat and the machine tool are matched with each other, and the production is convenient.
In the utility model, at least one group of guide components are arranged between the upper template 1 and the lower template 4, and the guide components are positioned at one side of the lower template 4 adjacent to the conveying components; the number of the guide assemblies is preferably two, the two groups of guide assemblies are oppositely arranged on two sides between the upper die 1 and the lower die plate 4, a horizontal connecting line between the two groups of guide assemblies is perpendicular to a horizontal connecting line between the elastic assembly and the conveying assembly, so that the deviation in the stamping process of the lower die 3 is avoided, the stamping precision of the lower die 3 is further improved, the stamping precision of the upper die 2 for stamping the workpiece 14 is improved, and the product quality is ensured. The guide assembly comprises a guide cylinder 14 and a guide post 15, the guide cylinder 14 is vertically arranged, and the upper end of the guide cylinder is fixedly connected (welded) with the upper template 1; the guide post 15 is vertically arranged in the guide cylinder 14 in a sliding manner, and the lower end of the guide post is fixedly connected (welded) with the lower template 4. In the downward moving process of the upper die 2, the guide cylinder 14 moves downward along the guide column 15, the precision of the upper die 2 for stamping the workpiece 14 is improved, and the product quality is improved.
The working principle of the utility model is as follows:
firstly, a cylinder on a machine tool drives an upper template 1 and an upper die 2 to move up to a set position, and raw materials are placed on a lower die 3; secondly, starting an air cylinder on the machine tool, driving the upper template 1 and the upper die 2 to downwards punch the raw materials on the lower die 3 by the air cylinder, wherein the spring 7, the ejector rod 8 and the top plate 9 are all positioned in the die cavity 5, and the spring 7 is in a compressed state (as shown in fig. 1 and 2); thirdly, after the punching is finished, the air cylinder drives the upper template 1 and the upper die 2 to move up to the initial positions; fourthly, the spring 7 drives the ejector rod 8 and the top plate 9 to push the workpiece 14 in the die cavity 5 upwards out of the die cavity 5 by means of the elastic tension of the spring (as shown in fig. 3 and 4); fifthly, the cylinder 10 drives the push plate 11 to horizontally move the ejected workpiece 14 and horizontally push the workpiece to the belt 16; sixth, the rollers 19 and the belt 16 are driven to rotate by the motor 17 to convey the formed workpiece 14 to the baling station.
It should be noted that, the cylinder (model CS60) and the motor (model YE-2) of the present invention all adopt the prior art, and each of the above components is electrically connected with the controller (model TC-SCR), and the control circuit between the controller and each component is the prior art.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A stamping die for processing arch work piece which characterized in that: the device comprises an upper template (1), an upper die (2), a lower die (3), a lower template (4), an elastic component, a material pushing component and a conveying component, wherein the lower template (4) is horizontally arranged, and a first channel is vertically arranged at the center of the lower template; the lower die (3) is horizontally arranged on the lower die plate (4), and a die cavity (5) communicated with the first channel is arranged in the center of the lower die (3); the upper die plate (1) is horizontally arranged and is mounted above the lower die (3) in a vertically moving mode, the upper die (2) is horizontally mounted on the lower surface of the upper die plate (1), and a punch (6) matched with the die cavity (5) is arranged in the center of the lower surface; the elastic assembly is arranged in the first channel and extends upwards into the die cavity (5), the material pushing assembly is arranged on one side of the lower die (3), and the conveying assembly is arranged on the other side of the lower die (3); after the workpiece (14) is molded, the elastic component vertically pushes the workpiece (14) to the position above the die cavity (5), and the pushing component horizontally pushes the workpiece (14) to the conveying component.
2. The press die for working an arcuate workpiece as defined in claim 1, wherein: the pushing assembly comprises a spring (7) and a push rod (8), the spring (7) is vertically arranged in the first channel, and the lower end of the spring is fixedly connected with the bottom of the first channel; the ejector rod (8) is vertically arranged in the first channel and is positioned above the spring (7), the lower end of the ejector rod is fixedly connected with the upper end of the spring (7), and the upper end of the ejector rod extends upwards into the die cavity (5) and is abutted to the lower surface of the workpiece (14).
3. The press die for working an arcuate workpiece as defined in claim 2, wherein: the upper end of the ejector rod (8) is connected with a top plate (9) which is horizontally arranged.
4. The press die for working an arcuate workpiece as defined in claim 1, wherein: the pushing assembly comprises an air cylinder (10) and a push plate (11), the air cylinder (10) is erected on one side of the lower die (3), and a telescopic end of the air cylinder is arranged towards the lower die (3) along the horizontal direction; the push plate (11) is vertically arranged between the lower die (3) and the cylinder (10) and is fixedly connected with the telescopic end of the cylinder (10).
5. The press die for working an arcuate workpiece as defined in claim 1, wherein: the conveying component is a belt conveyor.
6. A press die for working an arcuate workpiece as defined in any one of claims 1 to 5, wherein: a lower support plate (12) is horizontally arranged between the lower die (3) and the lower die plate (4), and a second channel communicated with the first channel and the die cavity (5) is vertically arranged in the center of the lower support plate (12).
7. A press die for working an arcuate workpiece as defined in any one of claims 1 to 5, wherein: the lower die base plate (13) is horizontally arranged below the lower die plate (4).
8. The press die for working an arcuate workpiece as defined in claim 7, wherein: an equal-height seat (15) is arranged between the lower template (4) and the lower die bottom plate (13).
9. A press die for working an arcuate workpiece as defined in any one of claims 1 to 5, wherein: at least one group of guide assemblies are arranged between the upper template (1) and the lower template (4), and the guide assemblies are positioned on one side of the lower template (4) adjacent to the conveying assemblies.
10. The press die for working an arcuate workpiece as defined in claim 9, wherein: the guide assembly comprises a guide cylinder and a guide post, the guide cylinder is vertically arranged, and the upper end of the guide cylinder is fixedly connected with the upper template (1); the guide post is vertically arranged in the guide cylinder in a sliding manner, and the lower end of the guide post is fixedly connected with the lower template (4).
CN201920606730.4U 2019-04-29 2019-04-29 Stamping die for processing arched workpiece Expired - Fee Related CN209867143U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920606730.4U CN209867143U (en) 2019-04-29 2019-04-29 Stamping die for processing arched workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920606730.4U CN209867143U (en) 2019-04-29 2019-04-29 Stamping die for processing arched workpiece

Publications (1)

Publication Number Publication Date
CN209867143U true CN209867143U (en) 2019-12-31

Family

ID=68962948

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920606730.4U Expired - Fee Related CN209867143U (en) 2019-04-29 2019-04-29 Stamping die for processing arched workpiece

Country Status (1)

Country Link
CN (1) CN209867143U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111496114A (en) * 2020-06-23 2020-08-07 齐雁 Clamping device of stamping die
CN112677419A (en) * 2021-01-09 2021-04-20 周在均 High-efficient injection mold
CN113084031A (en) * 2021-03-29 2021-07-09 句容市东升汽车附件有限公司 Automobile door lock part machining die convenient to discharge

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111496114A (en) * 2020-06-23 2020-08-07 齐雁 Clamping device of stamping die
CN112677419A (en) * 2021-01-09 2021-04-20 周在均 High-efficient injection mold
CN113084031A (en) * 2021-03-29 2021-07-09 句容市东升汽车附件有限公司 Automobile door lock part machining die convenient to discharge

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191231

Termination date: 20210429

CF01 Termination of patent right due to non-payment of annual fee