CN111318618A - Stamping die convenient to drawing of patterns - Google Patents

Stamping die convenient to drawing of patterns Download PDF

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Publication number
CN111318618A
CN111318618A CN202010171304.XA CN202010171304A CN111318618A CN 111318618 A CN111318618 A CN 111318618A CN 202010171304 A CN202010171304 A CN 202010171304A CN 111318618 A CN111318618 A CN 111318618A
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CN
China
Prior art keywords
die
block
sliding block
plate
stamping
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
CN202010171304.XA
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Chinese (zh)
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CN111318618B (en
Inventor
张军堂
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.)
Shenzhen Beyond Mold Hardware Co.,Ltd.
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张军堂
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Filing date
Publication date
Application filed by 张军堂 filed Critical 张军堂
Priority to CN202010171304.XA priority Critical patent/CN111318618B/en
Publication of CN111318618A publication Critical patent/CN111318618A/en
Application granted granted Critical
Publication of CN111318618B publication Critical patent/CN111318618B/en
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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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • B21D37/12Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
    • 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
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices

Abstract

The invention discloses a stamping die convenient for demolding, which structurally comprises a base, a lower die, a limiting seat, a partition plate, an upper die and an outer spring, wherein the lower die is horizontally arranged at the upper end of the base, the limiting seat is fixed at the upper end of the lower die, the partition plate is positioned at the upper end of the lower die, the upper end of the limiting seat penetrates through the inner side of the partition plate, the upper die penetrates through the inner side of the partition plate, the outer spring is arranged between the partition plate and the upper die, the lower die comprises a bottom plate, a limiting rod and a die holder, the limiting rod is vertically arranged at the upper end of the bottom plate, and the die holder is embedded in the inner side of the bottom plate; the driving structure is arranged on the outer side of the sliding block, so that the sliding block can be automatically demoulded, the surface of a part is protected, and scratches caused in the demoulding process are reduced.

Description

Stamping die convenient to drawing of patterns
Technical Field
The invention belongs to the field of stamping dies, and particularly relates to a stamping die convenient to demould.
Background
At present, the production mode for processing a material into a part is generally die forming and punch forming, wherein the punch forming is to apply pressure to a die at the upper end by using a press machine to punch or separate the material, so that equipment for obtaining the part is obtained, the part is complicated along with the punching of the part, the part is not easy to demold, and in order to improve the processing speed, a stamping die convenient for demolding is derived to adapt to the current processing speed, but the prior art has the following defects:
when the metal material sinks in the stamping process, the metal material is positioned in the lower die and completely attached, the part is directly pushed out and demoulded, the outer side surface of the part is in contact sliding with the inner side surface of the lower die, scratches are generated, the smoothness degree of the outer side surface of the part is further influenced, the surface of the part needs to be treated again after the stamping is completed, and processing steps are increased.
Therefore, the application provides a stamping die convenient for demolding, and the defects are improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a stamping die convenient for demoulding, which solves the problems that in the prior art, when a metal material sinks in a stamping mode, the metal material is positioned in a lower die and completely attached, a part is directly pushed out for demoulding, the outer side surface of the part is in contact with the inner side surface of the lower die to slide, scratches are generated, the smoothness degree of the outer side surface of the part is further influenced, the surface of the part needs to be treated again after the stamping is finished, and the processing steps are increased.
In order to achieve the purpose, the invention is realized by the following technical scheme: a stamping die convenient for demolding structurally comprises a base, a lower die, a limiting seat, a partition plate, an upper die and an outer spring, wherein the lower die is horizontally arranged at the upper end of the base and welded with the lower die, the limiting seat is fixed at the upper end of the lower die and distributed at four corners, the partition plate is positioned at the upper end of the lower die, the upper end of the limiting seat penetrates through the inner side of the partition plate and is mechanically connected with the partition plate, the upper die penetrates through the inner side of the partition plate and is positioned at the upper end of the lower die, and the outer; the lower die comprises a bottom plate, a limiting rod and a die holder, the limiting rod is vertically installed at the upper end of the bottom plate and located on the side face of the die holder, and the die holder is installed on the inner side of the bottom plate in an embedded mode and located on the same central line.
The invention is further improved, the die holder comprises an embedded seat, a side plate, a punching groove, a demoulding structure, a pushing block and an inner spring, the side plate is horizontally arranged at the upper end of the embedded seat and welded with the embedded seat, the punching groove is arranged at the inner side of the side plate and is of an integrated structure, the demoulding structure is arranged at the inner side of the side plate and is positioned at the outer side of the punching groove, the pushing block is embedded and arranged at the inner side of the embedded seat and is positioned in the punching groove, and the inner spring is arranged between the embedded seat and the pushing block.
The invention is further improved, the demoulding structure comprises a sliding block, a guide block and a sliding rail, the guide block is arranged on the inner side of the sliding block and is in mechanical connection, the guide block is embedded in the inner side of the sliding rail and is in movable connection, and the right side of the guide block abuts against the outer side of the stamping groove.
The invention is further improved, the sliding block is in a triangular prism structure, the right-angle side of the sliding block is positioned outside the stamping groove, and the sliding rail is obliquely arranged and is parallel to the oblique side of the sliding block.
The invention is further improved, a gear meshed with the sliding block is arranged on the outer side of the sliding block, a driving structure is arranged on the outer side of the sliding block, and the right side of the driving structure is meshed with the gear.
In a further improvement of the invention, a rack is arranged on the left side of the sliding block, and the rack is obliquely arranged and meshed with the gear.
The invention is further improved, the driving structure comprises a fixed block, a movable frame, a spring, internal teeth, a pressing block and an inner groove, the movable frame is arranged outside the fixed block, the spring is arranged at the upper end of the fixed block and is positioned inside the movable frame, the internal teeth are uniformly arranged on the side surface of the movable frame, the pressing block is vertically arranged at the upper end of the movable frame and is welded with the movable frame, and the movable frame and the pressing block are embedded in the inner groove and are movably connected.
The invention is further improved, the upper end of the sliding block is of an arc-shaped structure, the side face of the sliding block is provided with a gasket, the gasket is made of hard rubber, and the inner side of the sliding rail is provided with a return spring.
According to the technical scheme, the stamping die convenient for demolding has the following beneficial effects:
according to the invention, the demoulding structure is arranged on the outer side of the stamping groove, so that a part which is stamped is clamped in the stamping groove, and the part can be pushed out by the pushing block under the action of the reset force of the inner spring only by removing the limit of the guide block and pulling the sliding block to slide on the sliding rail to release towards the lower ends of the two sides, so that the part clamped on the inner side can be demoulded conveniently, scratches caused by demoulding due to contact with the inner wall are reduced, the surface of the part is better protected, and the processing steps are reduced.
According to the invention, the driving structure is arranged outside the sliding block, when the stamping is finished, the pressing block removes the external force and the spring pushes the movable frame to move upwards to enable the internal teeth to be meshed with the gear, so that the sliding block connected with the rack is driven to move towards the lower left end, meanwhile, the return spring also compresses the guide block connected with the sliding block, and further the parts between the sliding blocks are loosened, so that the demoulding of the parts can be finished, the parts can be automatically demoulded, the surfaces of the parts are protected, and the scratch caused during the demoulding is reduced.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a stamping die for facilitating demolding according to the present invention;
FIG. 2 is a schematic structural view of a lower mold of the present invention;
FIG. 3 is a schematic view of a first embodiment of a mold base according to the present invention;
FIG. 4 is a schematic diagram of a second alternative embodiment of a mold base of the present invention;
FIG. 5 is a partial schematic view of A of FIG. 3 according to the present invention;
FIG. 6 is a partial structural view of B in FIG. 4 according to the present invention;
FIG. 7 is a schematic structural diagram of a driving structure according to the present invention;
FIG. 8 is a schematic view of the structure of the slider and the slide rail according to the present invention.
In the figure: the die comprises a base-1, a lower die-2, a limiting seat-3, a partition-4, an upper die-5, an outer spring-6, a bottom plate-21, a limiting rod-22, a die holder-23, an embedded seat-231, a side plate-232, a stamping groove-233, a demoulding structure-234, a pushing block-235, an inner spring-236, a sliding block-34 a, a guide block-34 b, a sliding rail-34 c, a gear-34 d, a driving structure-34 e, a rack-a 3, a fixed block-e 1, a movable frame-e 2, a spring-e 3, an inner tooth-e 4, a pressing block-e 5, an inner groove-e 6, a gasket-a 2 and a return spring-c 1.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment is as follows: referring to fig. 1-6, the embodiments of the present invention are as follows:
the structure of the device comprises a base 1, a lower die 2, a limiting seat 3, a partition plate 4, an upper die 5 and an outer spring 6, wherein the lower die 2 is horizontally arranged at the upper end of the base 1 and welded with the upper end of the base, the limiting seat 3 is fixed at the upper end of the lower die 2 and distributed at four corners, the partition plate 4 is positioned at the upper end of the lower die 2, the upper end of the limiting seat 3 penetrates through the inner side of the partition plate 4 and is mechanically connected, the upper die 5 penetrates through the inner side of the partition plate 4 and is positioned at the upper end of the lower die 2; the lower die 2 comprises a bottom plate 21, a limiting rod 22 and a die holder 23, the limiting rod 22 is vertically installed at the upper end of the bottom plate 21 and located on the side face of the die holder 23, and the die holder 23 is installed at the inner side of the bottom plate 21 in an embedded mode and located on the same central line.
Referring to fig. 3-4, the die holder 23 includes an embedded seat 231, a side plate 232, a stamping groove 233, a demolding structure 234, a pushing block 235, and an inner spring 236, wherein the side plate 232 is horizontally installed at the upper end of the embedded seat 231 and welded to the embedded seat, the stamping groove 233 is formed inside the side plate 232 and is an integrated structure, the demolding structure 234 is installed inside the side plate 232 and is located outside the stamping groove 233, the pushing block 235 is embedded inside the embedded seat 231 and is located inside the stamping groove 233, and the inner spring 236 is installed between the embedded seat 231 and the pushing block 235, so as to perform demolding directly after the stamping is completed, which is more convenient.
Referring to fig. 5-6, the demolding structure 234 includes a sliding block 34a, a guiding block 34b, and a sliding rail 34c, the guiding block 34b is installed inside the sliding block 34a and is mechanically connected, the guiding block 34b is embedded inside the sliding rail 34c and is movably connected, the right side of the guiding block 34b abuts against the outside of the stamping groove 233, the sliding block 34a is pushed to slide inside, and the punched part inside is released to prevent the part from being scratched.
Based on the above embodiment, the specific working principle is as follows:
the device is arranged between punching machines, metal materials needing punching processing are placed at the upper end of a die holder 23, the punching grooves 233 are aligned according to the punching sinking position, the punching machine can be used for driving an upper die 5 to punch the metal materials on a lower die 2, the metal materials are extruded into the punching grooves 233 at the moment, a pushing block 235 is pushed to compress an inner spring 236, the upper die 5 can be retracted after punching is completed, parts completing punching are clamped in the punching grooves 233 at the moment, only the limitation of a guide block 34b needs to be relieved, a sliding block 34a is pulled to slide on a sliding rail 34c to be released towards the lower ends of two sides, the parts can be pushed out by the pushing block 235 under the action of the reset force of the inner spring 236, demolding is completed, and when punching is needed again, the sliding block 34a is pulled back to the original position.
Example two: referring to fig. 5-8, the embodiment of the present invention is as follows:
the demolding structure 234 includes a sliding block 34a, a guide block 34b, and a sliding rail 34c, the guide block 34b is installed inside the sliding block 34a and is mechanically connected, the guide block 34b is embedded inside the sliding rail 34c and is movably connected, and the right side of the guide block 34b abuts against the outside of the stamping groove 233.
Referring to fig. 5-6, the sliding block 34a is a triangular prism structure, the right-angle side of the sliding block 34a is located outside the stamping groove 233, and the sliding rail 34c is obliquely arranged and parallel to the oblique side of the sliding block 34a, and moves obliquely to the lower end of the outer side, thereby reducing scratches caused by contact with parts.
Referring to fig. 5-6, a gear 34d engaged with the sliding block 34a is disposed outside the sliding block 34a, a driving structure 34e is disposed outside the sliding block 34a, the right side of the driving structure 34e is engaged with the gear 34d, and the sliding block 34a is driven by the driving structure 34e to be retracted.
Referring to fig. 8, the left side of the sliding block 34a is provided with a rack a3, and the rack a3 is obliquely arranged and meshed with the gear 34d, so that the sliding block 34a is better matched with the gear 34d and driven by the driving structure 34 e.
Referring to fig. 7, the driving structure 34e includes a fixed block e1, a movable frame e2, a spring e3, internal teeth e4, a pressing block e5 and an internal groove e6, the movable frame e2 is disposed outside the fixed block e1, the spring e3 is mounted at the upper end of the fixed block e1 and is located inside the movable frame e2, the internal teeth e4 are uniformly mounted on the side surface of the movable frame e2, the pressing block e5 is vertically mounted at the upper end of the movable frame e2 and is welded to the upper end of the movable frame e2, the movable frame e2 and the pressing block e5 are embedded in the internal groove e6 and are movably connected to each other, and move longitudinally according to the position of the pressing block e5, so as to drive the gear 34 d.
Referring to fig. 8, the upper end of the sliding block 34a is in an arc structure, a gasket a2 is arranged on the side surface of the sliding block 34a, the gasket a2 is made of hard rubber, and a return spring c1 is arranged on the inner side of the sliding rail 34c to prevent damage to a stamped part.
Based on the above embodiment, the specific working principle is as follows:
during punching, the driving structure 34e is firstly contacted, the pressing block e5 is forced to move towards the lower end of the inner groove e6, the movable frame e2 compresses the spring e3, meanwhile, the inner teeth e4 drive the gear 34d to rotate and move the rack a3 upwards, the guide block 34b on the sliding block 34a slides on the sliding rail 34c to abut against the outer side 233 of the punching groove, punching of the metal material is completed, the punching machine is reset, the pressing block e5 removes external force and the spring e3 pushes the movable frame e2 to move upwards to enable the inner teeth e4 to engage with the gear 34d, so that the sliding block 34a connected with the rack a3 is driven to move towards the lower left end, meanwhile, the return spring c1 also compresses the guide block 34b connected with the sliding block 34a, and further releases parts between the sliding blocks 34a, and then demolding of the parts is completed.
The invention solves the problems that in the prior art, when a metal material sinks in a stamping mode, the metal material is positioned in a lower die and completely attached, a part is directly pushed out and demoulded, the outer side surface of the part is in contact sliding with the inner side surface of the lower die to generate scratches, so that the smoothness degree of the outer side surface of the part is influenced, the surface of the part needs to be treated again after the stamping is finished, and the processing steps are increased, through the mutual combination of the parts, the demoulding structure is arranged outside a stamping groove, the part which is stamped is clamped in the stamping groove, only the limitation of a guide block is removed, a sliding block is pulled to slide on a sliding rail to be loosened towards the lower ends of two sides, the part can be pushed out by the pushing block under the action of the reset force of an internal spring, the demoulding of the part clamped at the inner side is facilitated, scratches caused by the demoulding due to the contact with the inner, the processing steps are reduced; the sliding block outside has set up the drive structure, when the punching press was accomplished, the briquetting will remove external force and the spring will promote the adjustable shelf rebound, make the internal tooth meshing gear, thereby the sliding block that the drive rack is connected moves lower extreme left, reset spring also will be compressed by the guide block that the sliding block is connected simultaneously, and then loosen the part between the sliding block, can accomplish the drawing of patterns of part, make its automatic demoulding, and protected the part surface, the fish tail that has caused when the drawing of patterns has been reduced.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A stamping die convenient for demolding structurally comprises a base (1), a lower die (2), a limiting seat (3), a partition plate (4), an upper die (5) and an outer spring (6), wherein the lower die (2) is horizontally arranged at the upper end of the base (1), the limiting seat (3) is fixed at the upper end of the lower die (2), the partition plate (4) is positioned at the upper end of the lower die (2), the upper end of the limiting seat (3) penetrates through the inner side of the partition plate (4), the upper die (5) penetrates through the inner side of the partition plate (4), and the outer spring (6) is arranged between the partition plate (4) and the upper die (5); the method is characterized in that:
the lower die (2) comprises a bottom plate (21), a limiting rod (22) and a die holder (23), the limiting rod (22) is vertically installed at the upper end of the bottom plate (21), and the die holder (23) is installed on the inner side of the bottom plate (21) in an embedded mode.
2. The stamping die for facilitating stripping as claimed in claim 1, wherein: the die holder (23) comprises an embedded seat (231), a side plate (232), a stamping groove (233), a demolding structure (234), a pushing block (235) and an inner spring (236), wherein the side plate (232) is horizontally arranged at the upper end of the embedded seat (231), the stamping groove (233) is arranged on the inner side of the side plate (232), the demolding structure (234) is arranged on the inner side of the side plate (232), the pushing block (235) is embedded in the embedded seat (231), and the inner spring (236) is arranged between the embedded seat (231) and the pushing block (235).
3. The stamping die for facilitating demolding as claimed in claim 2, wherein: the demolding structure (234) comprises a sliding block (34a), a guide block (34b) and a sliding rail (34c), wherein the guide block (34b) is installed on the inner side of the sliding block (34a), the guide block (34b) is embedded into the inner side of the sliding rail (34c), and the right side of the guide block (34b) abuts against the outer side of the punching groove (233).
4. A press die for facilitating stripping as claimed in claim 3, in which: the sliding block (34a) is a triangular prism structure, the right-angle side of the sliding block (34a) is located on the outer side of the stamping groove (233), and the sliding rail (34c) is obliquely arranged.
5. A press die for facilitating stripping as claimed in claim 3, in which: the outer side of the sliding block (34a) is provided with a gear (34d) meshed with the sliding block, the outer side of the sliding block (34a) is provided with a driving structure (34e), and the right side of the driving structure (34e) is meshed with the gear (34 d).
6. The stamping die for facilitating demolding as claimed in claim 5, wherein: the left side of the sliding block (34a) is provided with a rack (a3), and the rack (a3) is meshed with a gear (34 d).
7. The stamping die for facilitating demolding as claimed in claim 5, wherein: the driving structure (34e) comprises a fixed block (e1), a movable frame (e2), a spring (e3), internal teeth (e4), a pressing block (e5) and an inner groove (e6), wherein the movable frame (e2) is arranged on the outer side of the fixed block (e1), the spring (e3) is installed at the upper end of the fixed block (e1), the internal teeth (e4) are uniformly installed on the side surface of the movable frame (e2), the pressing block (e5) is vertically installed at the upper end of the movable frame (e2), and the movable frame (e2) and the pressing block (e5) are embedded into the inner groove (e 6).
8. The press-die for facilitating die release according to claim 3 or 4, wherein: the upper end of the sliding block (34a) is of an arc-shaped structure, a gasket (a2) is arranged on the side face of the sliding block (34a), and a return spring (c1) is arranged on the inner side of the sliding rail (34 c).
CN202010171304.XA 2020-03-12 2020-03-12 Stamping die convenient to drawing of patterns Active CN111318618B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010171304.XA CN111318618B (en) 2020-03-12 2020-03-12 Stamping die convenient to drawing of patterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010171304.XA CN111318618B (en) 2020-03-12 2020-03-12 Stamping die convenient to drawing of patterns

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Publication Number Publication Date
CN111318618A true CN111318618A (en) 2020-06-23
CN111318618B CN111318618B (en) 2021-07-20

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106120A (en) * 1960-04-15 1963-10-08 Allied Prod Corp Spring ejector for metal punch
DE69805387T2 (en) * 1997-11-28 2003-03-13 Attrezzeria Mv & C Snc Thermoforming and embossing mold for the production of metal containers
CN203875154U (en) * 2014-05-30 2014-10-15 上海东鼎钢结构有限公司 Flanging machine with automatic workpiece demolding device
CN204220795U (en) * 2014-11-06 2015-03-25 潘灵灵 Mould automatic discharging structure
CN107671198A (en) * 2017-09-28 2018-02-09 宿迁市通用机械有限公司 A kind of decompressor of automatic demoulding
CN206981567U (en) * 2017-06-14 2018-02-09 江西江铃底盘股份有限公司 A kind of automobile drive axle adjusting nut deep-drawing shaping die
CN207288610U (en) * 2017-09-25 2018-05-01 安徽工程大学 A kind of straight wall cylinder punch-forming mold with hemisphere bottom
CN208033448U (en) * 2018-02-14 2018-11-02 无锡科里斯特科技有限公司 Cold extrusion deep-drawing structure
CN208643874U (en) * 2018-08-15 2019-03-26 广东万润利模具技术有限公司 Double-station automatic demoulding stamping die
CN208728465U (en) * 2018-06-22 2019-04-12 莱芜市易正机械有限公司 A kind of easily demoulding clutch production mould

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106120A (en) * 1960-04-15 1963-10-08 Allied Prod Corp Spring ejector for metal punch
DE69805387T2 (en) * 1997-11-28 2003-03-13 Attrezzeria Mv & C Snc Thermoforming and embossing mold for the production of metal containers
CN203875154U (en) * 2014-05-30 2014-10-15 上海东鼎钢结构有限公司 Flanging machine with automatic workpiece demolding device
CN204220795U (en) * 2014-11-06 2015-03-25 潘灵灵 Mould automatic discharging structure
CN206981567U (en) * 2017-06-14 2018-02-09 江西江铃底盘股份有限公司 A kind of automobile drive axle adjusting nut deep-drawing shaping die
CN207288610U (en) * 2017-09-25 2018-05-01 安徽工程大学 A kind of straight wall cylinder punch-forming mold with hemisphere bottom
CN107671198A (en) * 2017-09-28 2018-02-09 宿迁市通用机械有限公司 A kind of decompressor of automatic demoulding
CN208033448U (en) * 2018-02-14 2018-11-02 无锡科里斯特科技有限公司 Cold extrusion deep-drawing structure
CN208728465U (en) * 2018-06-22 2019-04-12 莱芜市易正机械有限公司 A kind of easily demoulding clutch production mould
CN208643874U (en) * 2018-08-15 2019-03-26 广东万润利模具技术有限公司 Double-station automatic demoulding stamping die

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