CN108607915B - Precision shearing die for annular piece - Google Patents
Precision shearing die for annular piece Download PDFInfo
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- CN108607915B CN108607915B CN201810810929.9A CN201810810929A CN108607915B CN 108607915 B CN108607915 B CN 108607915B CN 201810810929 A CN201810810929 A CN 201810810929A CN 108607915 B CN108607915 B CN 108607915B
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- movable knife
- annular piece
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- 238000010008 shearing Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000010892 electric spark Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Shearing Machines (AREA)
Abstract
The application relates to a precision shearing die for an annular part, which comprises an upper die holder, a lower die holder, a movable cutter mechanism, a fixed cutter mechanism, a swinging supporting mechanism and a pushing mechanism. The movable cutter mechanism comprises a movable cutter connecting frame with an arc part, a movable cutter and a combined bracket fixed on the lower die holder, the fixed cutter mechanism comprises a fixed cutter, a core rod and a stand column, the swinging support mechanism comprises a swinging frame and a supporting clamping block, the pushing mechanism comprises a wedge and a material ejecting mechanism, the wedge is fixed on the lower die holder and provided with an inclined plane, the material ejecting mechanism is fixed on the movable cutter and moves along with the movable cutter, and meanwhile, the material ejecting mechanism comprises a push rod, a material blocking rod and a first spring. The precision shearing die provided by the application realizes a mode of multi-cutter shearing and integral falling, greatly reduces waste materials generated in the cutting process, greatly reduces resource waste for enterprises, and has the characteristics of low equipment cost and high processing efficiency compared with more advanced processes such as wire cutting, electric spark cutting and the like.
Description
Technical Field
The application belongs to the field of dies, and particularly relates to a precision shearing die for an annular part, which is particularly suitable for shearing a steel pipe with a certain length into the precision shearing die for the annular part with higher end face precision at one time.
Background
Currently, shearing for annular parts can be broadly divided into two main categories, plastic working and machining. Machining is easy to form waste of materials due to more cutting in the machining process. In small-batch production, the fund consumption of enterprises is low, but in large-batch production, the cost of the enterprises is greatly increased, and in addition, the machining has the defect of low machining efficiency; compared with mechanical cutting or grinding, plastic processing has the characteristics of high speed, high production efficiency, small notch burrs and the like, but the shearing forming of the annular part is finished by combining a plurality of sets of dies, so that the cost of purchasing equipment is a huge problem for small enterprises. In addition, in the process of the annular piece, if the annular piece is sheared by directly adopting a cutter, the outer surface of the annular piece is easy to tear, and even the annular piece is directly flattened; if the annular part is processed by adopting more advanced processes such as wire cutting, electric spark cutting and the like, the annular part is better in forming, but the processing cost is more expensive, the advantages are not formed in the market, and the method is not suitable for popularization and application of small enterprises.
Disclosure of Invention
In view of the above, the application aims to provide a precision shearing die for an annular part, which aims to overcome the defect that the surface of the annular part is easy to tear and flatten when the annular part is directly sheared and formed by a cutter in the existing annular part processing process, and simultaneously solves the defect that the machining is wasted greatly and the defect that the machining cost is high when the annular part is processed by an advanced process.
In order to achieve the above object, the following technical scheme is adopted:
the utility model provides a precision shearing mould of ring part, includes upper die base and die holder, in addition still includes:
the movable knife mechanism comprises a movable knife connecting frame with an arc part, a movable knife and a combined bracket fixed on a lower die holder, wherein the movable knife connecting frame is arranged on the upper die holder, the upper part of the movable knife is rotationally connected with the movable knife connecting frame in a connection mode of an arc surface, in addition, the lower part of the movable knife is provided with a U-shaped notch for cutting off an annular part, the combined bracket comprises a first fixed bracket and a second fixed bracket which are symmetrically arranged at two sides of the movable knife, and a first protruding part and a second protruding part which are used for forcing the movable knife to rotate after being contacted with the movable knife are correspondingly arranged on the first fixed bracket and the second fixed bracket, the installation positions of the first protruding part and the second protruding part are staggered up and down, and at the same time, the surfaces of the movable knife, which are contacted with the first protruding part and the second protruding part, are respectively provided with a protrusion, and the protruding positions arranged on the two surfaces of the movable knife are symmetrical;
the fixed cutter mechanism is fixed on one side of the feeding direction of the annular piece, and comprises a fixed cutter, a core rod and a stand column, wherein the core rod is arranged in the annular piece, the fixed cutter arranged in the stand column is arranged outside the annular piece, and the end part of the fixed cutter is clung to the surface of the movable cutter;
the swinging support mechanism is positioned at the lower part of the U-shaped notch and comprises a swinging frame and a supporting clamping block, the swinging frame is rotationally connected with the lower die holder in a circular arc surface connection mode, and the supporting clamping block which moves up and down and is used for supporting the annular piece is arranged in the swinging frame; and
the pushing mechanism is positioned on one side of the fixed cutter mechanism in the opposite direction, the pushing mechanism comprises a wedge and a material ejecting mechanism, the wedge is fixed on the lower die holder and is provided with an inclined plane, the material ejecting mechanism is fixed on the movable cutter and moves along with the movable cutter, meanwhile, the material ejecting mechanism comprises a push rod, a material blocking rod and a first spring, the push rod is fixedly connected with the material blocking rod, a circular step is arranged at the connecting position of the push rod and the material blocking rod, one end of the first spring is clamped on the circular step, the other end of the first spring is fixed with the push rod, in addition, when the movable cutter drives the material ejecting mechanism to move downwards, the push rod contacts with the inclined plane, the material blocking rod can block materials from the annular piece and the core rod in the feeding direction, and the first spring is compressed, and when the movable cutter continues to move downwards to be aligned with a discharging through hole formed in the upright, the first spring can cut the annular piece and the core rod to eject the annular piece and the discharging through the material blocking rod into the discharging through the through hole.
Preferably, the movable knife connecting frame is further provided with a group of connecting arms which are correspondingly arranged, and the connecting arms are connected with the movable knife through pin shafts penetrating through the connecting arms and the movable knife, so that the movable knife is in rotary connection with the arc part of the movable knife connecting frame.
Preferably, one end of the fixed knife is clung to the surface of the movable knife, the other end of the fixed knife is connected with an annular clamping guide sleeve arranged outside the annular part, and the clamping guide sleeve and the fixed knife are arranged in the upright post together.
Preferably, the upper end of the supporting clamping block is an arc surface and is in contact with the annular piece, a second spring is arranged in the supporting clamping block, one end of the second spring is fixed with the swinging frame, and the other end of the second spring is fixed in the supporting clamping block and is used for keeping the supporting clamping block and the annular piece supported in the whole shearing process by using the elastic force of the second spring.
More preferably, the lower part of the supporting and clamping block is also provided with a limiting part, in addition, a limiting plate is sleeved outside the supporting and clamping block, the limiting plate is fixed at the top of the swinging frame, and the limiting part is matched with the limiting plate and used for limiting the moving distance of the supporting and clamping block.
Preferably, the elastic material mechanism further comprises: the sleeve is fixed with the movable cutter, and in addition, a limit nut in threaded connection with the adjusting bush is arranged at the end part of the sleeve.
Preferably, limit posts for limiting the travel of the brake knife are respectively arranged on the first fixing support and the second fixing support.
Preferably, the first fixing support and the second fixing support are respectively fixed with reinforcing ribs.
Preferably, the movable cutter mechanism further comprises an upper die fixing plate fixed with the upper die holder, the movable cutter connecting frame is mounted on the upper die fixing plate, the swinging support mechanism further comprises a lower die fixing plate fixed with the lower die holder, and the swinging frame is mounted on the lower die fixing plate.
Preferably, the precision shearing die for the annular piece further comprises a guide post and a guide sleeve, wherein the guide post is connected with the upper die base and the lower die base, and the guide sleeve is arranged on the guide post.
The application has the beneficial effects that: according to the annular part precision shearing die, the movable cutter in the movable cutter mechanism is connected with the movable cutter connecting frame in an arc surface manner, so that the movable cutter and the movable cutter connecting frame can be ensured to freely rotate or swing after being combined; after the bulge of the moving knife is contacted and collided with the bulge arranged on the fixed bracket in the descending process of the moving knife, the moving knife can be forced to swing and cut the annular piece and the core rod, and the bulge is not arranged on a straight line, so that the moving knife cuts off the annular piece and the core rod after cutting for a plurality of times; the fixed knife in the fixed knife mechanism is tightly attached to the surface of the movable knife, so that the end face precision of the annular piece during shearing is ensured; the swinging frame in the swinging supporting mechanism is connected with the lower die fixing plate in an arc surface mode, so that in the descending process of the movable cutter, the swinging is carried out along with the swinging of the movable cutter, the annular piece is ensured to be free from loosening in the shearing process, and in addition, the supporting clamping block clamps the annular piece in the shearing process all the time by utilizing the elasticity of the spring; the pushing mechanism of the application utilizes the action of the wedge and the push rod to promote the movable cutter to compress the spring in the descending process, in addition, as the upright post is provided with the discharging pipeline, when the movable cutter descends to be parallel to the discharging pipeline, the elasticity of the spring is released, and the cut annular piece and the core rod are integrally ejected into the discharging pipeline.
Therefore, the die designed by the application is used for carrying out multi-cutter shearing according to the shearing characteristic of the pipe, compared with a one-cutter shearing mode, the waste generated in the cutting process is greatly reduced, and can be reduced by 80% through preliminary calculation, so that the waste of resources can be greatly reduced for enterprises in the production process, and compared with more advanced processes such as wire cutting, electric spark cutting and the like, the die has the characteristics of low equipment cost and high processing efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a front view of a precision shearing die for ring members according to the present application;
fig. 2 is a cross-sectional view of A-A of the structure shown in fig. 1.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The design concept of the precision shearing die for the annular piece is as follows: the movable knife is in rotary connection, so that the movable knife can swing freely in the descending process, and the movable knife is forced to swing for multiple times to perform multi-knife pre-shearing on the annular piece through multiple collision contact with the first protruding piece and the second protruding piece, and finally the movable knife integrally shears off the annular piece under the driving of the upper die holder. Compared with a one-knife shearing mode, the die shearing mode provided by the application has the advantages that waste generated in the cutting process is greatly reduced, the waste can be reduced by 80% through preliminary calculation, so that the waste of resources can be greatly reduced for enterprises in the production process, and compared with more advanced processes such as wire cutting, electric spark cutting and the like, the die shearing mode has the characteristics of low equipment cost and high processing efficiency.
As shown in fig. 1-2, the precision shearing die for the annular piece comprises an upper die holder 100, a lower die holder 200, a guide post 101 and a guide sleeve 102, wherein the guide post 101 is connected with the upper die holder 100 and the lower die holder 200, and the guide sleeve 102 is arranged on the guide post 101, and in addition, the precision shearing die for the annular piece further comprises: a movable blade mechanism 300, a fixed blade mechanism 400, a swinging support mechanism 500 and a pusher mechanism 600.
The movable knife mechanism 300 comprises a movable knife connecting frame 301 with an arc part, a movable knife 302 and a combined bracket 303 fixed on the lower die holder 200, wherein the movable knife connecting frame 301 is arranged on the upper die holder 100, the upper part of the movable knife 302 is rotationally connected with the movable knife connecting frame 301 in an arc-surface connecting mode, in addition, the lower part of the movable knife 302 is provided with a U-shaped notch 304 for cutting off an annular piece 700, the combined bracket 303 comprises a first fixed bracket 305 and a second fixed bracket 306 symmetrically arranged at two sides of the movable knife 302, a first protruding piece 307 and a second protruding piece 308 for forcing the movable knife 302 to rotate after the movable knife 302 is contacted with the first fixed bracket 305 and the second fixed bracket 306, the installation positions of the first protruding piece 307 and the second protruding piece 308 are staggered up and down, and simultaneously, the movable knife 302 is provided with two protrusions 309 symmetrically arranged on the surfaces of the movable knife 302, which are contacted with the first protruding piece 307 and the second protruding piece 308.
In the present application, in order to always maintain the rotational connection of the circular arc surface between the movable blade 302 and the circular arc portion of the movable blade connecting frame 301, the following structure is adopted: namely, the movable knife connecting frame 301 further has a set of connecting arms 310 correspondingly arranged, and the connecting arms 310 are connected with the movable knife 302 through pin shafts 311 penetrating through the connecting arms 310 and the movable knife 302.
In addition, in the present embodiment, the movable blade mechanism 300 further includes an upper die fixing plate 312 fixed to the upper die holder 100, and the movable blade connecting frame 301 is mounted on the upper die fixing plate 312. In order to ensure the service life of the movable knife connecting frame 301 during operation, an upper base plate 313 is further disposed between the movable knife connecting frame 301 and the upper die holder 100.
The fixed cutter mechanism 400 is fixed on one side of the feeding direction of the annular member 700, wherein the fixed cutter mechanism 400 comprises a fixed cutter 401, a core rod 402 and a column 403, the core rod 402 is arranged in the annular member 700, the fixed cutter 401 arranged in the column 403 is arranged outside the annular member 700, one end of the fixed cutter 401 is tightly attached to the surface of the movable cutter 302, the other end of the fixed cutter 401 is connected with an annular clamping guide sleeve 404 arranged outside the annular member 700, and meanwhile, the clamping guide sleeve 404 and the fixed cutter 401 are arranged in the column 403 together.
The swing supporting mechanism 500 is located at the lower part of the U-shaped notch 304, wherein the swing supporting mechanism 500 comprises a swing frame 501 and a supporting clamping block 502, the swing frame 501 and the lower die holder 200 are rotatably connected in an arc surface connection mode, and a supporting clamping block 502 which moves up and down and is used for supporting the annular piece 700 is arranged in the swing frame 501.
The upper end of the supporting and clamping block 502 is an arc surface and contacts with the ring-shaped member 700, and a second spring 503 is disposed in the supporting and clamping block 502, one end of the second spring 503 is fixed to the swinging frame 501, and the other end of the second spring 503 is fixed to the supporting and clamping block 502, so as to maintain the supporting of the supporting and clamping block 502 and the ring-shaped member 700 in the whole shearing process by using the elastic force of the second spring 503.
In addition, the lower part of the supporting and clamping block 502 is further provided with a limiting part 504, in addition, a limiting plate 505 is sleeved outside the supporting and clamping block 502, the limiting plate 505 is fixed on the top of the swinging frame 501, and the limiting part 504 is matched with the limiting plate 505 and is used for limiting the moving distance of the supporting and clamping block 502.
In this embodiment, the swing support mechanism 500 further includes a lower die fixing plate 506 fixed to the lower die holder 200, and the swing frame 501 is mounted on the lower die fixing plate 506.
The pushing mechanism 600 is positioned at one side of the fixed cutter mechanism 400 opposite to the fixed cutter mechanism 400, wherein the pushing mechanism 600 comprises a wedge 601 and a material ejecting mechanism 602, the wedge 601 is fixed on the lower die holder 200, the wedge 601 is provided with an inclined plane 603, the material ejecting mechanism 602 is fixed on the movable cutter 302 and moves along with the movable cutter 302, meanwhile, the material ejecting mechanism 602 comprises a push rod 604, a material blocking rod 605 and a first spring 606, the push rod 604 is fixedly connected with the material blocking rod 605, a circular step 607 is arranged at the joint of the push rod 604 and the material blocking rod 605, one end of the first spring 606 is clamped on the circular step 607, the other end of the first spring 606 is fixed with the push rod 604, in addition, when the movable cutter 302 drives the material ejecting mechanism 602 to descend, the push rod 604 contacts with the inclined plane 603, the material blocking rods 605 are used for feeding the annular members 700 and 402 in the feeding direction, the first spring 606 are compressed, and when the movable cutter 302 descends to the position of the movable cutter 302 and the annular members 605 continue to move along with the material blocking rod 605 to the annular members 405 and the material blocking rod 405 are ejected from the through holes 405.
In addition, the magazine 602 in this embodiment further includes: the push rod 604 is externally sleeved with an adjusting bush 608, the sleeve 607 is sleeved outside the adjusting bush 608, the sleeve 607 is fixed with the moving knife 302, and in addition, a limiting nut 609 in threaded connection with the adjusting bush 608 is arranged at the end part of the sleeve 607.
In the embodiment of the present application, in order to limit the stroke of the moving blade 302, the first fixing support 305 and the second fixing support 306 are respectively provided with a limiting post 314, and in order to enhance the stability of the first fixing support 305 and the second fixing support 306, the first fixing support 305 and the second fixing support 306 are respectively fixed with a reinforcing rib 315.
The application has the beneficial effects that: according to the annular part precision shearing die, the movable cutter in the movable cutter mechanism is connected with the movable cutter connecting frame in an arc surface manner, so that the movable cutter and the movable cutter connecting frame can be ensured to freely rotate or swing after being combined; after the bulge of the moving knife is contacted and collided with the bulge arranged on the fixed bracket in the descending process of the moving knife, the moving knife can be forced to swing and cut the annular piece and the core rod, and the bulge is not arranged on a straight line, so that the moving knife cuts off the annular piece and the core rod after cutting for a plurality of times; the fixed knife in the fixed knife mechanism is tightly attached to the surface of the movable knife, so that the end face precision of the annular piece during shearing is ensured; the swinging frame in the swinging supporting mechanism is connected with the lower die fixing plate in an arc surface mode, so that in the descending process of the movable cutter, the swinging is carried out along with the swinging of the movable cutter, the annular piece is ensured to be free from loosening in the shearing process, and in addition, the supporting clamping block clamps the annular piece in the shearing process all the time by utilizing the elasticity of the spring; the pushing mechanism of the application utilizes the action of the wedge and the push rod to promote the movable cutter to compress the spring in the descending process, in addition, as the upright post is provided with the discharging pipeline, when the movable cutter descends to be parallel to the discharging pipeline, the elasticity of the spring is released, and the cut annular piece and the core rod are integrally ejected into the discharging pipeline.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a ring-shaped piece precision shearing mould, includes upper die base and die holder, its characterized in that still includes:
the movable knife mechanism comprises a movable knife connecting frame with an arc part, a movable knife and a combined bracket fixed on a lower die holder, wherein the movable knife connecting frame is arranged on the upper die holder, the upper part of the movable knife is rotationally connected with the movable knife connecting frame in an arc surface connecting mode, in addition, the lower part of the movable knife is provided with a U-shaped notch for cutting off an annular part, the combined bracket comprises a first fixed bracket and a second fixed bracket which are symmetrically arranged on two sides of the movable knife, and a first protruding part and a second protruding part which are used for forcing the movable knife to rotate after being contacted with the movable knife are correspondingly arranged on the first fixed bracket and the second fixed bracket, the installation positions of the first protruding part and the second protruding part are staggered up and down, and meanwhile, the surfaces of the movable knife, which are contacted with the first protruding part and the second protruding part, are respectively provided with a protrusion, and the protrusion positions arranged on the two surfaces of the movable knife are symmetrical; the movable knife connecting frame is also provided with a group of connecting arms which are correspondingly arranged, and the connecting arms are connected with the movable knife through pin shafts penetrating through the connecting arms and the movable knife, so that the movable knife is rotationally connected with the arc part of the movable knife connecting frame;
the fixed cutter mechanism is fixed on one side of the feeding direction of the annular piece, the fixed cutter mechanism comprises a fixed cutter, a core rod and a stand column, the core rod is arranged inside the annular piece, the fixed cutter arranged inside the stand column is arranged outside the annular piece, the end part of the fixed cutter is clung to the surface of the movable cutter, one end of the fixed cutter is clung to the surface of the movable cutter, the other end of the fixed cutter is connected with an annular clamping guide sleeve arranged outside the annular piece, and the clamping guide sleeve and the fixed cutter are arranged in the stand column together;
the swinging support mechanism is positioned at the lower part of the U-shaped notch and comprises a swinging frame and a supporting clamping block, the swinging frame is rotationally connected with the lower die holder in a circular arc surface connection mode, and the supporting clamping block which moves up and down and is used for supporting the annular piece is arranged in the swinging frame; and
the pushing mechanism is positioned on one side of the fixed cutter mechanism in the opposite direction, the pushing mechanism comprises a wedge and a material ejecting mechanism, the wedge is fixed on the lower die holder and is provided with an inclined plane, the material ejecting mechanism is fixed on the movable cutter and moves along with the movable cutter, meanwhile, the material ejecting mechanism comprises a push rod, a material blocking rod and a first spring, the push rod is fixedly connected with the material blocking rod, a circular step is arranged at the connecting position of the push rod and the material blocking rod, one end of the first spring is clamped on the circular step, the other end of the first spring is fixed with the push rod, in addition, when the movable cutter drives the material ejecting mechanism to move downwards, the push rod contacts with the inclined plane, the material blocking rod can block materials from the annular piece and the core rod in the feeding direction, and the first spring is compressed, and when the movable cutter continues to move downwards to be aligned with a discharging through hole formed in the upright, the first spring can cut the annular piece and the core rod to eject the annular piece and the discharging through the material blocking rod into the discharging through the through hole.
2. The precision shearing die for the annular piece according to claim 1, wherein the upper end of the supporting clamping block is an arc surface and is in contact with the annular piece, a second spring is arranged in the supporting clamping block, one end of the second spring is fixed with the swinging frame, and the other end of the second spring is fixed in the supporting clamping block and is used for keeping the supporting clamping block and the annular piece supported in the whole shearing process by utilizing the elastic force of the second spring.
3. The precision shearing die for the annular piece according to claim 2, wherein the lower part of the supporting clamping block is further provided with a limiting part, in addition, a limiting plate is sleeved outside the supporting clamping block, the limiting plate is fixed on the top of the swinging frame, and the limiting part is matched with the limiting plate and used for limiting the moving distance of the supporting clamping block.
4. The precision shearing die for annular parts as defined in claim 1, wherein said spring mechanism further comprises: the sleeve is fixed with the movable cutter, and in addition, a limit nut in threaded connection with the adjusting bush is arranged at the end part of the sleeve.
5. The precision shearing die for the annular piece according to claim 1, wherein limiting columns for limiting the stroke of the brake blade are respectively arranged on the first fixing support and the second fixing support.
6. The precision shearing die for the annular piece according to claim 1, wherein the first fixing support and the second fixing support are respectively fixed with reinforcing ribs.
7. The precision shearing die for annular parts according to claim 1, wherein the movable cutter mechanism further comprises an upper die fixing plate fixed with the upper die holder, the movable cutter connecting frame is mounted on the upper die fixing plate, the swinging support mechanism further comprises a lower die fixing plate fixed with the lower die holder, and the swinging frame is mounted on the lower die fixing plate.
8. The precision shearing die for the annular piece according to claim 1, further comprising a guide post and a guide sleeve, wherein the guide post is connected with the upper die base and the lower die base, and the guide sleeve is arranged on the guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810929.9A CN108607915B (en) | 2018-07-23 | 2018-07-23 | Precision shearing die for annular piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810810929.9A CN108607915B (en) | 2018-07-23 | 2018-07-23 | Precision shearing die for annular piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108607915A CN108607915A (en) | 2018-10-02 |
| CN108607915B true CN108607915B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810810929.9A Active CN108607915B (en) | 2018-07-23 | 2018-07-23 | Precision shearing die for annular piece |
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| Country | Link |
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| CN (1) | CN108607915B (en) |
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