CN217142191U

CN217142191U - Iron part cold heading processing die

Info

Publication number: CN217142191U
Application number: CN202220974312.2U
Authority: CN
Inventors: 唐小平
Original assignee: Ningbo Metaltecc Hardware Technology Co ltd
Current assignee: Ningbo Metaltecc Hardware Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-09
Anticipated expiration: 2032-04-21

Abstract

The application relates to an iron part cold heading processing die, which belongs to the technical field of die processing and comprises an upper die and a lower die, wherein a moving channel for a blank to slide and penetrate is formed between the upper die and the lower die; still include the edge remove the length direction of passageway and set gradually dash a packet mechanism, reject the mechanism and be used for following the product blanking mechanism that blank material fell on the blank, it is right to dash a packet mechanism be used for the blank extrudees in order to form infrabasal plate and last flange, it is right to reject the mechanism go up the flange and carry out the part and reject in order to form the cavity. This application has the effect that improves production efficiency.

Description

Iron part cold heading processing die

Technical Field

The application relates to the technical field of die machining, in particular to an iron part cold heading machining die.

Background

At present, a stamping die is a special process equipment for processing materials into parts with predetermined shapes in cold stamping. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

Referring to fig. 1, a conventional cold heading iron member includes a lower base plate 21 and an upper convex plate 22 integrally connected to the lower base plate 21, wherein the upper convex plate 22 is provided with a cavity 211 penetrating through two sidewalls of the upper convex plate 22.

In the related art, in the processing process of the cold heading of the iron part, a plate body needs to be sequentially subjected to a plurality of stamping processes such as cutting, plasticity and shaping through a stamping die, wherein a semi-finished product formed through a previous processing process needs to be manually transported to a next processing process to be processed into a next semi-finished product, and finally, a final product is obtained through multiple processing.

In view of the above related technologies, the inventor believes that in the above technical solution, because manual transportation is required between different processing procedures, the processing cycle of the product is longer, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the production efficiency of ironware cold-heading, this application provides an ironware cold-heading mold processing.

The application provides a pair of ironware cold-heading mold processing adopts following technical scheme:

a cold heading processing die for iron parts comprises an upper die and a lower die, wherein a moving channel for a blank to slide and penetrate is formed between the upper die and the lower die;

still include the edge remove the length direction of passageway and set gradually dash a packet mechanism, reject the mechanism and be used for following the product blanking mechanism that blank material fell on the blank, it is right to dash a packet mechanism be used for the blank extrudees in order to form infrabasal plate and last flange, it is right to reject the mechanism go up the flange and carry out the part and reject in order to form the cavity.

By adopting the technical scheme, when the iron part cold heading processing die works, the blank moves in the moving channel, the part of the blank moving to the corresponding position is extruded by the packet punching mechanism to form the lower base plate and the upper convex plate of the product, then the upper convex plate is partially removed by the removing mechanism to form a cavity, and finally, the blank is sheared by the blanking mechanism, so that the product is reduced from the blank;

by adopting the mode of repeated continuous stamping, the upper die can complete different forms of processing such as packet stamping, rejection and the like on different parts of the blank in the process of one-time movement, so that the production efficiency is improved, and meanwhile, the labor cost is reduced.

Optionally, the package mechanism comprises a first extrusion convex block arranged on the lower die and an extrusion punch head used for pressing the blank onto the first extrusion convex block, and a plastic cavity used for allowing the upper convex plate to slide and be embedded is formed in the extrusion punch head.

Through adopting above-mentioned technical scheme, when the upper die drives the extrusion drift and moves towards first extrusion lug, the last protruding board of blank slides and imbeds moulding intracavity, and it is moulding to the extrusion of upper protruding board through moulding chamber wall, makes the shape and the size of upper protruding board accord with production standard more.

Optionally, the blanking mechanism includes a pre-shearing part for shearing the blank and a blanking part for cutting the product off the blank.

Through adopting above-mentioned technical scheme, cut the blank through cutting the piece in advance before cutting the product from the blank, make things convenient for follow-up blanking spare to cut the part from the blank, make the difficult condition of taking place still to stay on the blank of product through blanking spare.

Optionally, a cutting mechanism is further included for cutting the blank at the tail end of the moving channel.

Through adopting above-mentioned technical scheme, cut off through the blank that will shift out the migration passageway, make the waste material that drops from the tail end of migration passageway be one section topography form and drop, reduce the shared space of waste material.

Optionally, the blanking device further comprises a shaping mechanism for shaping the product, wherein the shaping mechanism is located between the removing mechanism and the blanking mechanism;

the shaping mechanism comprises a first shaping assembly arranged on the upper die, and a shaping groove for sliding and embedding the upper convex plate is formed in the first shaping assembly.

Through adopting above-mentioned technical scheme, through the whole groove of upper convex plate embedding, the cell wall in whole groove extrudees the plastic to the upper convex plate, makes the shape and the size of upper convex plate accord with production standard more.

Optionally, the shaping mechanism includes a third extrusion protrusion disposed on the lower die and a second shaping rod disposed on the upper die and configured to press the blank onto the third extrusion protrusion, and the third extrusion protrusion and the first extrusion protrusion have the same shape.

By adopting the technical scheme, the shape and the size of the upper convex plate and the lower substrate are more in accordance with the production standard by adopting the third extrusion convex block with the same shape as the first extrusion convex block.

Optionally, an upper pressing plate for pressing the blank onto the lower die is arranged on the upper die.

Through adopting above-mentioned technical scheme, when the cope match-plate pattern moved towards the lower mould, compress tightly the blank on the lower mould through the top board to make the blank at the in-process to the punching press, the position of blank is more stable, makes the shape and the size of product more accurate.

Optionally, the pre-processing mechanism is located at the beginning of the moving channel, and the pre-processing mechanism comprises a punching piece which is arranged on the upper die and used for punching the blank.

By adopting the technical scheme, before the blank is subjected to processing such as package punching, rejection and the like, a plurality of holes are formed in the blank by punching the blank, so that the position of the blank is conveniently positioned subsequently.

Optionally, the pretreatment mechanism includes a first trimming member disposed on the upper die and used for shearing the blank.

Through adopting above-mentioned technical scheme, carry out the partial excision to the blank through adopting first cut edge spare. The blank is provided with corresponding gaps, the overall strength of the blank is reduced, the blank is easy to deform, and subsequent stamping processes such as blanking, shaping and the like of the blank are facilitated.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by adopting a continuous stamping mode, different forms of processing such as stamping, removing and the like can be completed on different parts of the blank in the process of one-time movement of the upper die, so that the production efficiency is improved, and the labor cost is reduced;

2. by adopting the shaping mechanism, the size and the shape of the processed product are more accurate;

3. the first trimming piece is adopted to partially cut off the blank, so that the overall strength of the blank is reduced, the blank is easier to deform, and the subsequent stamping processes such as blanking, shaping and the like on the blank are facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of a product according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a blank according to an embodiment of the present application.

Fig. 3 is a front view of a cold heading die for an iron member according to an embodiment of the present application.

Fig. 4 is a schematic structural view of an upper platen and a blank according to an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 3.

Fig. 6 is an enlarged view of a portion B in fig. 3.

Fig. 7 is an enlarged view of a portion C in fig. 3.

Fig. 8 is an enlarged view of a portion D in fig. 3.

Fig. 9 is an enlarged view of a portion E in fig. 3.

Description of reference numerals: 1. a blank; 11. a first notch; 12. a second notch; 13. a processing section;

2. producing a product; 21. a lower substrate; 22. an upper convex plate; 211. a cavity; 31. an upper die; 311. an upper pressure plate; 32. a lower die; 33. a moving channel; 4. a pretreatment mechanism; 41. punching a hole piece; 411. punching a punch; 42. a first trim piece; 43. a second trim piece; 5. a packet punching mechanism; 51. a first extrusion bump; 511. a lower base; 512. an upper convex portion; 5121. an empty groove; 52. extruding the punch; 521. a plastic cavity; 6. a rejecting mechanism; 61. a second extrusion bump; 62. removing the punch; 621. mounting grooves; 622. an electric discharge machining block; 623. a discharge gap; 7. a shaping mechanism; 71. a first shaping component; 711. a first shaping rod; 7111. shaping the groove; 712. fixing a column; 72. a second shaping component; 721. a second shaping rod; 722. a third extrusion bump; 8. a blanking mechanism; 81. pre-shearing a piece; 82. a blanking member; 9. a cutting mechanism.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses ironware cold-heading mold processing. Referring to fig. 1 and 2, the iron part cold heading processing die is used for performing processes such as stamping and cutting on a blank 1, the blank 1 is in a long strip shape, the blank 1 is processed through the iron part cold heading processing die, so that the blank 1 is cut and processed into a plurality of products 2 along the length direction of the blank 1, in the embodiment, the products 2 are iron part cold heading, each product 2 comprises a lower base plate 21 and an upper convex plate 22 integrally connected with the side wall of the lower base plate 21, and a cavity 211 penetrating through two plate surfaces of the upper convex plate 22 is formed in the upper convex plate 22.

Referring to fig. 3 and 4, the cold-heading process die for iron pieces includes an upper die 31 and a lower die 32, and a moving passage 33 for the blank 1 to slide through is formed between the upper die 31 and the lower die 32. When the iron piece cold heading processing die works, the blank 1 is firstly placed into the moving channel 33, and the blank 1 is moved along the length direction of the moving channel 33 by the conveying device. A plurality of upper pressing plates 311 are welded and fixed on one side of the upper die 31 close to the lower die 32, the plurality of upper pressing plates 311 are arranged at intervals along the length direction of the moving channel 33, when the upper die 31 moves towards the lower die 32, the upper die 31 presses the blank 1 in the moving channel 33 onto the lower die 32 through the upper pressing plates 311, and the blank 1 in the moving channel 33 is processed through the mutual matching between the upper die 31 and the lower die 32.

Referring to fig. 3 and 4, the iron part cold heading processing die is sequentially provided with a preprocessing mechanism 4, a packet punching mechanism 5, a rejecting mechanism 6, a shaping mechanism 7, a blanking mechanism 8 and a cutting mechanism 9 along the length direction of a blank 1, so that the blank 1 is sequentially processed in different forms to produce a final product 2.

Referring to fig. 5, the preprocessing mechanism 4 includes a punching member 41, a first trimming member 42 and a second trimming member 43 which are sequentially disposed along a moving direction of the blank 1 in the moving passage 33, and the moving passage 33 is sequentially provided with a punching station, a first trimming station and a second trimming station along a length direction thereof.

Referring to fig. 4 and 5, the punching member 41 is in the shape of a round bar and is fixedly mounted on the upper die 31, and the fixing manner may be welding, or the punching member 41 may be fixed to the upper die 31 by a bolt, or other fixing manner, and in this embodiment, the punching member 41 is welded and fixed to the upper die 31. One end of the punching part 41 close to the lower die 32 is provided with a punching punch 411, when the upper die 31 drives the punching part 41 to move downwards, the punching part 41 processes the part of the blank 1 located at the punching station, and the blank 1 is extruded through the punching punch 411, so as to realize punching on the blank 1. In this embodiment, two punching members 41 are provided, and the two punching members 41 are used for simultaneously punching both sides of the blank 1 along the length direction thereof, so as to form two rows of holes arranged in the same manner on the blank 1.

Referring to fig. 4 and 5, the first trimming member 42 is in a shape of a round bar, and one end of the first trimming member 42 close to the lower die 32 is provided with a first trimming blade, and when the upper die 31 drives the first trimming member 42 to move, the first trimming blade trims a portion of the blank 1 located at the first trimming station, so as to cut a notch with a corresponding shape on the blank 1, where the shape of the notch is matched with the shape of the first trimming blade, and in this embodiment, the notch is in an "i" shape.

Referring to fig. 4 and 5, after the first trimming member 42 finishes trimming the blank 1, the portion of the blank 1 located at the punching station moves towards the first trimming station, and the first trimming process for the blank 1 is finished again, so that the blank 1 is provided with a plurality of first notches 11 arranged at equal intervals as the blank 1 moves in the moving channel 33. The blank 1 between two adjacent first notches 11 forms a processing portion 13 for processing into a product 2.

Referring to fig. 4 and 5, by cutting a plurality of first notches 11 arranged at intervals on the blank 1, two adjacent product 2 portions are separated by the first notches 11, the overall strength of the blank 1 is reduced, and the subsequent processing portion 13 is easier to deform to form a corresponding shape.

Referring to fig. 4 and 5, the second trimming member 43 is fixedly installed on the upper die 31, and the second trimming member 43 has a second trimming blade for cutting the blank 1, and when the upper die 31 is moved down to be close to the lower die 32, the second cutting blade cuts a portion of the blank 1 located at the second trimming station, thereby forming the second notch 12 in the blank 1. In this embodiment, two second cutting blades are provided to realize that two second notches 12 are formed in the blank 1 by one-time cutting, and the two second notches 12 are respectively located at two sides of the blank 1 along the length direction thereof.

Referring to fig. 6, the punch mechanism 5 includes a first extrusion protrusion 51 and an extrusion punch 52 fixed on the upper die 31 by a bolt, the first extrusion protrusion 51 includes a lower base 511 and an upper projection 512 fixed to the lower die 32 by welding, the lower base 511 and one side of the lower die 32 close to the upper die 31 are fixed by welding, the upper projection 512 and the upper base 511 are fixed by welding, and the upper projection 512 is provided with a hollow 5121; the extrusion punch 52 is provided with a shaping cavity 521 which is communicated with one end surface of the extrusion punch 52 close to the first extrusion bump 51.

Referring to fig. 1, 2 and 6, when the upper die 31 moves downward to approach the lower die 32, the extrusion punch 52 presses the processing portion 13 of the blank 1 against the first extrusion protrusion 51, so as to deform the processing portion 13 and protrude upward, thereby forming the lower base plate 21 and the upper convex plate 22, and the upper convex plate 22 is slidably inserted into the plastic cavity 521 and abuts against the cavity wall of the plastic cavity 521, so as to shape the upper convex plate 22. The processing portion 13 is deformed by the cooperation of the first pressing projection 51 and the pressing punch 52, and the lower base plate 21 and the upper convex plate 22 on the product 2 are formed.

Referring to fig. 6, the removing mechanism 6 includes a second extruding protrusion 61 welded and fixed on the lower die 32 seat and a removing punch 62, and the second extruding protrusion 61 and the first extruding protrusion 51 have the same shape; one side of the removing punch 62 close to the lower die 32 is provided with a mounting groove 621, and the mounting groove 621 is matched with the upper convex plate 22 in shape so that the upper convex part 512 can be slidably inserted. The eliminating punch 62 is provided with an electric discharge machining block 622 in the mounting groove 621, an electric discharge gap 623 is formed between the electric discharge machining block 622 and the wall of the mounting groove 621, and the shape of the electric discharge machining block 622 is the same as that of the cavity 211 of the upper protruding block.

Referring to fig. 1 and 6, when the removing mechanism 6 opens the cavity 211 in the upper convex plate 22, the lower die 32 drives the removing punch 62 to approach the lower die 32, the processing portion 13 of the blank 1 is pressed against the second extrusion protrusion 61, the upper convex plate 22 is slidably inserted into the mounting groove 621, the upper convex plate 22 is extruded by the electric discharge processing block 622, and the upper convex plate 22 is subjected to electric discharge processing by releasing pulse current, so that the cavity 211 is formed in the upper convex plate 22.

Referring to fig. 1 and 7, the shaping mechanism 7 includes a first shaping component 71 and a second shaping component 72, the first shaping component 71 includes a first shaping rod 711 and a fixing column 712, the fixing column 712 is fixedly connected with the upper die 31 through a bolt, and an end of the first shaping rod 711 is inserted into the fixing column 712 and is in threaded connection with the fixing column 712. An end face of the first shaping rod 711 far away from the fixing column 712 is provided with a shaping groove 7111 through which the upper convex plate 22 slides.

When the upper die 31 drives the first shaping rod 711 to move close to the lower die 32, the upper convex plate 22 on the product 2 is slidably inserted into the shaping groove 7111, and is abutted against the groove wall of the shaping groove 7111 through the upper convex block, so that the upper convex plate 22 on the product 2 is shaped.

Referring to fig. 1, 6 and 7, the second truing assembly 72 includes a second truing rod 721 fixedly connected to the upper die 31 by a bolt, and a third press projection 722 welded to the lower die 32, and the shape of the third press projection 722 is the same as that of the second press projection 61. When the upper die 31 brings the second shaping rod 721 close to the third pressing projection 722, the third pressing projection 722 presses the processing portion 13 of the blank 1, thereby further shaping the shapes of the upper base plate 21 and the upper convex plate 22 on the product 2.

Referring to fig. 2 and 8, the blanking mechanism 8 includes a pre-shearing part 81 and a blanking part 82 which are sequentially arranged along the moving channel 33, the pre-shearing part 81 and the blanking part 82 are rod-shaped, one ends of the pre-shearing part 81 and the blanking part 82 close to the lower die 32 are both provided with blades, when the upper die 31 drives the pre-shearing part 81 and the blanking part 82 to move downwards, the pre-shearing part 81 is used for primarily shearing the processing part 13, and the blanking part 82 further shears the processing part 13 which is primarily sheared, so as to cut the product 2 from the blank 1.

Referring to fig. 2 and 9, the cutting mechanism 9 includes a cutting blade fixedly connected to the upper die 31 by a bolt, and a cutting edge is provided at an end of the cutting blade close to the lower die 32, so that when the product 2 falls off the blank 1, the blank 1 moves forward, and then the cutting blade cuts the blank 1 at the rear end of the moving channel 33, and cuts the blank 1 moved out through the moving channel 33 into several pieces.

The implementation principle of the iron part cold heading processing die in the embodiment of the application is as follows: when the iron piece cold heading processing die works, the blank 1 moves in the moving channel 33, and when the upper die 31 moves towards the lower die 32, the preprocessing mechanism 4 punches and cuts edges of the blank 1 at the corresponding position in the moving channel 33; the punching and packing mechanism 5 extrudes the blank 1 to form a lower base plate 21 and an upper convex plate 22; the rejecting mechanism 6 rejects a part of the upper protruding plate 22 to form a cavity 211; the shaping mechanism 7 shapes the lower substrate 21 and the upper convex plate 22; the blanking mechanism 8 cuts the product 2 off the blank 1, and finally the cutting mechanism 9 cuts the part which is moved out of the moving channel 33.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ironware cold-heading mold processing which characterized in that: comprises an upper die (31) and a lower die (32), wherein a moving channel (33) for the blank (1) to slide and penetrate is formed between the upper die (31) and the lower die (32);

still include the edge the length direction of removal passageway (33) sets gradually dash chartered plane structure (5), reject mechanism (6) and be used for following product (2) blanking mechanism (8) that blank (1) went up blank and fall, it is right to dash chartered plane structure (5) be used for blank (1) extrude in order to form infrabasal plate (21) and epirelief board (22), it is right to reject mechanism (6) be used for going up epirelief board (22) and carry out the part and reject in order to form cavity (211).

2. The cold-heading processing die for iron parts according to claim 1, wherein: towards package mechanism (5) including set up in first extrusion lug (51) on lower mould (32) and be used for compressing tightly blank (1) extrusion drift (52) on first extrusion lug (51), offer on extrusion drift (52) and be used for the confession go up protruding board (22) and slide the plastic chamber (521) of embedding.

3. The cold-heading processing die for iron parts according to claim 1, wherein: the blanking mechanism (8) comprises a pre-shearing part (81) for shearing the blank (1) and a blanking part (82) for cutting the product (2) off the blank (1).

4. The cold-heading processing die for iron parts according to claim 1, wherein: the cutting device also comprises a cutting mechanism (9) used for cutting the blank (1) positioned at the tail end of the moving channel (33).

5. The cold-heading processing die for iron parts according to claim 2, wherein: the product removing and blanking device is characterized by further comprising a shaping mechanism (7) used for shaping the product (2), wherein the shaping mechanism (7) is positioned between the removing mechanism (6) and the blanking mechanism (8);

the shaping mechanism (7) comprises a first shaping assembly (71) arranged on the upper die (31), and a shaping groove (7111) for the sliding and embedding of the upper convex plate (22) is formed in the first shaping assembly (71).

6. The cold-heading processing die for iron pieces according to claim 5, wherein: the shaping mechanism (7) further comprises a second shaping assembly (72), the second shaping assembly (72) comprises a third extrusion convex block (722) arranged on the lower die (32) and a second shaping rod (721) arranged on the upper die (31) and used for pressing the blank (1) on the third extrusion convex block (722), and the third extrusion convex block (722) is the same as the first extrusion convex block (51) in shape.

7. The cold-heading processing die for iron parts according to claim 1, wherein: an upper pressing plate (311) used for pressing the blank (1) on the lower die (32) is arranged on the upper die (31).

8. The cold-heading processing die for iron parts according to claim 1, wherein: the pre-processing device is characterized by further comprising a pre-processing mechanism (4), wherein the pre-processing mechanism (4) is located at the beginning end of the moving channel (33), and the pre-processing mechanism (4) comprises a punching piece (41) which is arranged on the upper die (31) and is used for punching the blank (1).

9. The cold-heading processing die for iron pieces according to claim 8, wherein: the pretreatment mechanism (4) comprises a first trimming piece (42) which is arranged on an upper die (31) and is used for shearing the blank (1).