CN214160907U - Wire drawing die - Google Patents
Wire drawing die Download PDFInfo
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- CN214160907U CN214160907U CN202021922195.2U CN202021922195U CN214160907U CN 214160907 U CN214160907 U CN 214160907U CN 202021922195 U CN202021922195 U CN 202021922195U CN 214160907 U CN214160907 U CN 214160907U
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- mould
- shell
- locking
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- 238000005491 wire drawing Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The application relates to a wire drawing die, relates to the field of dies, and is used for solving the problem of cost waste in the process of producing by utilizing the wire drawing die. It includes the mould shell, the mould core, offer the shoulder hole that is used for inserting the mould core on the mould shell, the shoulder hole includes the macropore, the aperture, the slot has been seted up along mould shell axial on the macroporous internal face, at least two have been arranged to slot circumference on the macroporous internal face, the mould core includes the feeding portion, ejection of compact portion, the feeding portion cooperatees with the macropore, and seted up the feed port in the feeding portion, ejection of compact portion and aperture cooperate, and ejection of compact portion has seted up the discharge opening, feed port and discharge opening intercommunication, circumference arrangement has the inserted block with slot matched with on the outer cylinder of feeding portion. The cooperation through slot and inserted block between mould core in this application and the mould shell makes the mold core in this application change according to production needs to make the wire drawing mould can produce multiple product, and reduce the cost waste in the production process.
Description
Technical Field
The application relates to the field of dies, in particular to a wire drawing die.
Background
The wire drawing die is used for processing metal into a required workpiece by compressing the cross section area of the metal after the metal passes through the wire drawing die under the action of pressure in the wire drawing processing process of the metal and obtaining the required shape and size of the cross section area.
The utility model discloses a utility model patent that bulletin number is CN205236636U at present discloses a bonding wire drawing mould, and it includes the mould body, and the mould body is equipped with a cross-section along the axial and is the circular shape through-hole, and the through-hole from the top down includes first entry district, first compression district, sizing district, second compression district, second entry district in proper order.
In view of the above-mentioned related technologies, the inventor believes that the mold in the above-mentioned technology is an integral structure, and since the cross-sectional shape and the size of the through hole for the metal material to pass through are fixed and unchanged, the mold can only produce a single product, and when different products need to be produced, the mold needs to be replaced as a whole, which wastes the production cost of the product.
SUMMERY OF THE UTILITY MODEL
In order to reduce the cost waste in the production process, the application provides a wire drawing mould.
The application provides a wire drawing mould adopts following technical scheme:
the utility model provides a wire drawing mould, including the mould shell, the mould core, offer the shoulder hole that is used for inserting the mould core of establishing on the mould shell, the shoulder hole includes the macropore, the aperture, the slot has been seted up along mould shell axial on the macroporous internal face, at least two have been arranged to slot circumference on the macroporous internal face, the mould core includes feeding portion, ejection of compact portion, feeding portion and macropore cooperate, and seted up the feed port in the feeding portion, ejection of compact portion and aperture cooperate, and ejection of compact portion has seted up the discharge opening, feed port and discharge opening intercommunication, circumference has arranged the inserted block with slot matched with on the outer cylinder of feeding portion.
Through adopting above-mentioned technical scheme, because the feed inlet of mould core and the macropore cooperation of mould shell, the discharge gate of mould core and the aperture cooperation of mould shell, consequently the overall structure of mould core and the shoulder hole cooperation of mould shell, thereby make the mould core can carry out the plug in the shoulder hole of mould shell, be provided with the slot on the macroporous inner wall, be provided with the inserted block with slot matched with on the outer cylinder of feed portion, when the mould core inserts the shoulder hole of mould shell in, cooperation between slot and the inserted block makes the slot play the limiting displacement to the inserted block, thereby make to produce relative pivoted range between slot and the inserted block and reduce, the mould core also can be more stable insert and establish in the mould shell. When different products need to be produced, the user can take out original mould core from the shoulder hole, then insert the new mould core that needs use in the shoulder hole and accomplish the change of mould core, and the wire drawing mould can change different mould cores according to actual need to make the wire drawing mould can produce multiple product, with this cost waste in the reduction production process.
Preferably, the outer cylindrical surface of the mold core is radially provided with first grooves, the first grooves are symmetrically arranged at two sides of the mold core relative to the circle center of the mold core, the outer cylindrical surface of the mold shell is radially provided with second grooves, the second grooves are symmetrically arranged at two sides of the mold shell relative to the circle center of the mold shell, the widths of the first grooves and the second grooves are equal, two ends of the bottom of the first groove are respectively communicated with the second grooves, the wall surface of the second grooves is provided with a locking mechanism for axially fixing the mold shell and the mold core, the locking mechanism comprises a locking rod, an L-shaped rod and a locking frame, the locking rod is rotatably connected to the wall surface of the second groove of the mold shell, one end of the locking rod, far away from the rotation center between the locking rod and the mold shell, is rotatably connected with the L-shaped rod, the L-shaped rod is divided into a locking rod rotating part and a locking part, the rotating part is rotatably connected to the locking rod, and one end of the rotating part, far away from the locking part is provided with the locking part, the outer cylindrical surface of the die shell is provided with a locking frame, the locking frame is provided with a locking hole for the L-shaped rod to pass through, and the locking frame is positioned at one end of the second groove, which is far away from the rotation center between the locking rod and the die shell.
By adopting the technical scheme, after the mold core is inserted into the stepped hole of the mold shell, two ends of the bottom of the first groove are communicated with the bottom of the second groove, and because the widths of the first groove and the second groove are equal, the wall surface of the first groove and the wall surface of the second groove are positioned in the same plane at the moment, a user rotates the locking rod which is rotatably connected with the wall surface of the second groove, the locking rod is rotated until the L-shaped rod is inserted into the locking hole of the locking frame, then the user rotates the L-shaped rod around the rotation connecting center between the L-shaped rod and the locking rod, the L-shaped rod is rotated until the locking part of the L-shaped rod is abutted against the locking frame, at the moment, the locking rod is locked due to the abutting relationship between the locking part of the L-shaped rod and the locking frame, and because the locking rod is positioned in the second groove, the axial movement of the mold core is limited by the locking rod, and the probability of the axial movement between the mold core and the mold shell is reduced, therefore, the die core is fixed in the stepped hole of the die shell, the matching between the die core and the die shell is more stable, and the use process of the wire drawing die is more stable and reliable.
Preferably, the locking part of the L-shaped lever is densely provided with convex points on one surface facing the locking lever.
Through adopting above-mentioned technical scheme, the bump makes the one side roughness of sticking department face to the locking lever increase, and because when the sticking department goes on the locking lever, produce the butt between the one side that the sticking department faces the locking lever and the locking frame, consequently the frictional force between the sticking department that is provided with the bump and the locking frame increases, the sticking department receives external factors influence and unexpected relative pivoted probability reduction that produces with the locking frame, the cooperation between sticking department and the locking frame is also more firm, the probability that the locking lever takes place to rotate also reduces thereupon, thereby make locking mechanical system more firm reliable to the fixed action of mould core.
Preferably, a convex rib is arranged on one surface, facing the bottom of the slot, of the insertion block of the die core.
Through adopting above-mentioned technical scheme, the bead makes the roughness of the one side of inserted block facing the slot tank bottom increase to make at inserted block and slot cooperation in-process, the frictional force of the one side of inserted block facing the slot tank bottom and the tank bottom of slot increases, produces relative motion's probability between inserted block and the slot and reduces, thereby makes the cooperation between mould core and the mould shell more stable.
Preferably, the feed port of feed portion is the bell mouth, and the diameter of feed port is followed the one end that the discharge portion was kept away from to the feed portion and is extended the in-process to the one end that the feed portion is close to the discharge portion and reduce gradually, and the diameter that the one end that the feed port is close to the feed portion equals with the diameter of discharge port.
Through adopting above-mentioned technical scheme, the toper structure of feed port plays the guide effect to the rod, and the rod can move towards the discharge opening along the circular cone of feed port in the in-process of marcing to make the rod can be processed into required shape in the die core smoothly. And because the feed port is the bell mouth and the feed port is kept away from the one end diameter of discharge opening great, consequently at the feeding in-process, the feed port can be got into more easily to the raw materials rod to it is more convenient to make the wire drawing mould in the use.
Preferably, the end, far away from the feed port, of the discharge hole of the discharge part is subjected to rounding treatment, and a round angle is formed at the end, far away from the feed port, of the discharge hole.
Through adopting above-mentioned technical scheme, can form a turning between the plane that the one end that the feed port was kept away from to the discharge opening and the one end that the feed port was kept away from to the discharge opening place, when the product carries out the ejection of compact from the discharge opening, the product can meet with and produce the friction between this turning, because this turning is the fillet, and the area of contact between fillet and the product is great, consequently the pressure that the fillet was used in on the product reduces, the product is reduced by the scotch risk in this corner, the quality of the product that the wire drawing mould processed also promotes thereupon.
Preferably, the outer cylindrical surface of the die shell is provided with heat dissipation holes, and the heat dissipation holes are circumferentially arranged along the outer cylindrical surface of the die shell.
Through adopting above-mentioned technical scheme, receive pressure and when passing through the wire drawing mould when the rod, produce great frictional force between the mould core of rod and wire drawing mould, the two produces a large amount of heats because of the friction, when the heat is too high, the mould core all takes place to damage with the work piece easily, the louvre exposes the partial outer cylinder of mould core outside, thereby make the heat that the mould core produced in process of production give off the external world better, the probability that the mould core takes place to damage because of high temperature when producing with the rod also can reduce to some extent, thereby make the use of wire drawing mould more stable.
Preferably, the outer cylindrical surface of the mold shell is provided with reinforcing ribs which are circumferentially arranged along the outer cylindrical surface of the mold shell.
Through adopting above-mentioned technical scheme, when raw and other materials rod was exerted pressure and is passed through from the wire drawing mould, because the rod is exerted pressure direction and wire drawing mould's axial coincidence, consequently, the wire drawing mould need bear great axial load in process of production, it is the strip structure to strengthen the arris, and the strip structure has better compressive capacity in the axial, thereby strengthen the arris and make the structural strength of wire drawing mould strengthen to some extent, the wire drawing mould also consequently can bear bigger axial load, the wire drawing mould also reduces along with it because of the too big probability that takes place the damage of axial load in process of production, thereby make the use of wire drawing mould more reliable and more stable.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the wire drawing die, the replaceable structure is arranged between the die core and the die shell, and the wire drawing die can replace the die core according to different product requirements, so that the cost waste of the wire drawing die can be reduced in the production process;
2. the mould core and the mould shell are axially fixed by adopting a fixing mechanism, the L-shaped rod of the fixing mechanism is provided with a convex point, the convex point enables the fixing effect of the fixing mechanism to be firmer, the mould core and the mould shell are matched by adopting an inserting block and a slot, so that the relative rotation amplitude of the mould core and the mould shell is reduced, the inserting block is provided with a convex edge, the probability of relative movement between the inserting block and the slot is reduced, and the outer cylindrical surface of the mould shell is provided with a radiating hole, so that the probability of damage of the mould core and a bar due to high temperature in the production process is reduced, the reinforcing edge outside the mould shell increases the structural strength of the wire drawing mould, the wire drawing mould can bear larger axial load, and the wire drawing mould has better use stability in the use process;
3. the feed port of mould core is the bell mouth structure, and raw and other materials rod can get into the mould core smoothly through the feed port of taper to make the use of wire drawing mould comparatively convenient.
4. The one end that the feed port was kept away from to the discharge opening of wire drawing mould is the fillet, and the fillet has reduced the risk of being processed the work piece by the scotch, therefore the quality of wire drawing mould processing work piece promotes to some extent.
Drawings
Fig. 1 is a schematic structural view of the whole of the present embodiment.
Fig. 2 is an enlarged schematic view of the embodiment at a in fig. 1.
Fig. 3 is an enlarged schematic view of the embodiment at B of fig. 1.
Fig. 4 is a schematic sectional view of the mold core in this embodiment.
Description of reference numerals: 1. a mold shell; 11. macropores; 12. a small hole; 13. a slot; 14. a second groove; 2. a mold core; 21. a feeding section; 211. a feed port; 22. a discharge part; 221. a discharge hole; 23. inserting a block; 231. a rib; 24. A first groove; 3. a locking mechanism; 31. a locking lever; 32. an L-shaped rod; 321. a rotating part; 322. a locking portion; 323. Salient points; 33. a locking frame; 331. a locking hole; 4. round corners; 5. heat dissipation holes; 6. and (4) reinforcing the edges.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses wire drawing mould, refer to fig. 1 and 2, including mould shell 1, mould core 2, it is used for inserting the shoulder hole of establishing mould core 2 to open on the mould shell 1, the shoulder hole includes macropore 11, aperture 12, slot 13 has been seted up on the internal face of macropore 11, slot 13 has arranged four on 11 internal faces of macropore circumference, and seted up louvre 5 on the outer cylinder face of mould shell 1, louvre 5 arranges along the outer cylinder face circumference of mould shell 1, be provided with on 1 outer cylinder face of mould shell and strengthen arris 6, strengthen the length extending direction of arris 6 and set up along 1 axial of mould shell, and strengthen arris 6 and arrange along 1 circumference of mould shell.
The mold core 2 comprises a feeding portion 21, a discharging portion 22, the feeding portion 21 is matched with a large hole 11 of the mold shell 1, the discharging portion 22 is matched with a small hole 12 of the mold shell 1, a discharging hole 221 is formed in the discharging portion 22, a feeding hole 211 is formed in the feeding portion 21, the feeding hole 211 is communicated with the discharging hole 221, an inserting block 23 matched with a slot 13 is arranged on the outer cylindrical surface of the feeding portion 21, and a convex rib 231 is arranged on one surface, facing the bottom of the slot 13, of the inserting block 23.
Because the feeding portion 21 cooperates with the large hole 11, the discharging portion 22 cooperates with the small hole 12, and the feeding portion 21 is provided with the insert block 23 cooperating with the slot 13, so the mold core 2 can be plugged in the stepped hole of the mold shell 1, and then the replacement of the mold core 2 is realized, and the user can replace the mold core 2 of the wire drawing mold according to different actual needs. When the insertion groove 13 is matched with the insertion block 23, the insertion groove 13 limits the insertion block 23, when the mold core 2 is inserted into the mold shell 1, the relative rotation amplitude of the mold core 2 and the insertion block 23 is reduced due to the limiting effect of the insertion groove 13 on the insertion block 23, the protruding edge 231 arranged on the insertion block 23 increases the friction force between the insertion block 23 and the insertion groove 13, so that the probability that the insertion block 23 slides relatively in the insertion groove 13 is reduced, and the process that the mold core 2 is inserted into the mold shell 1 is more stable.
The louvre 5 that the outer cylinder of mould shell 1 was seted up makes during the partial heat that the wire drawing mould produced distributes the surrounding environment in process of production to make the temperature of wire drawing mould and raw materials rod reduce to some extent, wire drawing mould and raw materials rod also reduce thereupon because of the probability that high temperature takes place the damage, the use of wire drawing mould is also more stable thereupon.
When the wire drawing mould is in process of production, when raw materials rod passes through the wire drawing mould, the wire drawing mould need bear great axial load, because strengthen arris 6 and be the bar structure, and the bar structure has better compressive capacity in the axial, consequently be provided with the structural strength who strengthens arris 6's wire drawing mould and improve to some extent, the maximum axial load that the wire drawing mould can bear also improves thereupon, the wire drawing mould takes place the risk of damage because of the load is too big and reduces to some extent to make the use of wire drawing mould more reliable and more stable.
The locking mechanism 3 comprises a locking rod 31, an L-shaped rod 32 and a locking frame 33, the locking rod 31 is hinged to the wall surface of the second groove 14, the L-shaped rod 32 is hinged to one end, away from a hinge point between the locking rod 31 and the mold shell 1, of the locking rod 31, the L-shaped rod 32 is divided into a rotating portion 321 and a locking portion 322, the rotating portion 321 is hinged to the locking rod 31, the locking portion 322 is welded to one end, away from the hinge point between the rotating portion 321 and the locking rod 31, a convex point 323 of a spherical structure is arranged on one surface, facing the locking rod 31, of the locking portion 322, the locking frame 33 is welded to the outer cylindrical surface of the mold shell 1, a locking hole 331 for the L-shaped rod 32 to penetrate through is formed in the locking frame 33, and the locking frame 33 is located at one end, away from the rotation center between the locking rod 31 and the mold shell 1, of the second slot 13.
When the mold core 2 is inserted into the stepped hole of the mold shell 1, in order to limit the axial relative movement between the mold core 2 and the mold shell 1, a user may rotate the locking rod 31, rotate the locking rod 31 until the L-shaped rod 32 is inserted into the locking hole 331 of the locking frame 33, then the user rotates the L-shaped rod 32 until the locking portion 322 of the L-shaped rod 32 abuts against the locking frame 33, at this time, the locking rod 31 cannot rotate due to the abutting action between the locking portion 322 and the locking frame 33, the locking rod 31 also limits the axial movement of the mold core 2 in the stepped hole, the probability of the relative axial movement between the mold core 2 and the mold shell 1 is reduced, so that the mold core 2 is fixed in the stepped hole of the mold shell 1, and the use process of the wire-drawing mold is more stable.
As shown in fig. 3, the feeding hole 211 of the feeding portion 21 is a tapered hole, the diameter of the feeding hole 211 gradually decreases from the end of the feeding portion 21 far away from the discharging portion 22 to the end of the feeding portion 21 close to the discharging portion 22, and the aperture of the end of the feeding hole 211 close to the discharging hole 221 is equal to the aperture of the discharging hole 221. The end of the discharge hole 221 of the discharge end, which is far away from the feeding portion 21, is rounded, and a round angle 4 is formed at the end of the discharge hole 221, which is far away from the feeding portion 21.
Because the aperture of the end of the feeding hole 211 far away from the discharging part 22 is large, the raw material rod can enter the feeding hole 211 of the die core 2 more smoothly, and the conical structure of the feeding hole 211 plays a certain guiding role in the advancing process of the rod, so that the rod can smoothly enter the discharging hole 221 from the feeding hole 211 and be processed into a required shape, and the use process of the wire drawing die is also more convenient. The fillet 4 increases the contact area between the workpiece and the die core 2 in the discharging process, the pressure of the die core 2 on the workpiece is reduced, the risk that the workpiece is scratched is reduced, and therefore the quality of the workpiece processed by the wire drawing die is improved to some extent.
The implementation principle of the wire drawing die in the embodiment of the application is as follows: the user can carry out the plug with mould core 2 at the shoulder hole to this realizes the change of the mould core 2 of wire drawing mould, and the user can change mould core 2 according to actual need, practices thrift manufacturing cost with this. The matching between the slot 13 of the die shell 1 and the insert 23 of the die core 2 reduces the amplitude of relative rotation between the die shell 1 and the die core 2, and the probability of axial relative movement between the die core 2 and the die shell 1 is reduced under the action of the locking mechanism 3, so that the die core 2 is better fixed on the die shell 1, and the wire drawing die also has better use stability. The mold shell 1 is provided with the heat dissipation holes 5, so that the temperature of the wire drawing mold in the production process can be reduced, the risk of damage of the bar and the wire drawing mold due to high temperature is reduced, the reinforcing ribs 6 on the mold shell 1 enable the wire drawing mold to bear large axial load, the probability of damage of the wire drawing mold due to too large load is reduced, and the use stability of the wire drawing mold is further improved. The guiding action of bell mouth makes the entering mould core 2 that the rod can be smooth to make wire drawing mould's use more convenient, fillet 4 has reduced the risk that the work piece was scotched, thereby make wire drawing mould processing work piece's quality promote to some extent.
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 (8)
1. A wire drawing die is characterized in that: including mould shell (1), mould core (2), offer the shoulder hole that is used for inserting and establishes mould core (2) on mould shell (1), the shoulder hole includes macropore (11), aperture (12), slot (13) have been seted up along mould shell (1) axial on the internal wall face of macropore (11), slot (13) circumference has arranged two at least on macropore (11) internal wall face, mould core (2) are including feeding portion (21), discharge portion (22), feeding portion (21) cooperate with macropore (11), and feeding portion (211) have been seted up on feeding portion (21), discharge portion (22) cooperate with aperture (12), and discharge portion (22) have seted up discharge opening (221), feeding opening (211) and discharge opening (221) intercommunication, circumference has arranged on the outer cylinder of feeding portion (21) and has slot (13) matched with inserted block (23).
2. A drawing die according to claim 1, wherein: the die comprises a die core (2), wherein the outer cylindrical surface of the die core (2) is radially provided with first grooves (24), the first grooves (24) are symmetrically arranged at two sides of the die core (2) relative to the circle center of the die core (2), the outer cylindrical surface of a die shell (1) is radially provided with second grooves (14), the second grooves (14) are symmetrically arranged at two sides of the die shell (1) relative to the circle center of the die shell (1), the widths of the first grooves (24) and the second grooves (14) are equal, two ends of the bottom of the first grooves (24) are respectively communicated with the second grooves (14), the wall surface of each second groove (14) is provided with a locking mechanism (3) for axially fixing the die shell (1) and the die core (2), each locking mechanism (3) comprises a locking rod (31), an L-shaped rod (32) and a locking frame (33), each locking rod (31) is rotatably connected to the wall surface of the corresponding second groove (14) of the die shell (1), one end, far away from the center of rotation between locking lever (31) and mould shell (1), of locking lever (31) rotates and is connected with L shape pole (32), L shape pole (32) divide into rotation portion (321), locking portion (322), rotation portion (321) rotate and connect on locking lever (31), the one end that locking lever (31) were kept away from in rotation portion (321) is provided with locking portion (322), be provided with locking frame (33) on the outer cylinder of mould shell (1), set up locking hole (331) that supply L shape pole (32) to pass on locking frame (33), and locking frame (33) are located second recess (14) and keep away from the one end at the center of rotation between locking lever (31) and mould shell (1).
3. A drawing die according to claim 2, wherein: salient points (323) are densely arranged on one surface, facing the locking rod (31), of the locking part (322) of the L-shaped rod (32).
4. A drawing die according to claim 1, wherein: and a convex rib (231) is arranged on one surface of the insertion block (23) of the die core (2) facing the bottom of the slot (13).
5. A drawing die according to claim 1, wherein: the feed opening (211) of feed portion (21) is the bell mouth, and the diameter of feed opening (211) is followed feed portion (21) and is kept away from the one end of ejection of compact portion (22) and is extended the in-process to feed portion (21) one end that is close to ejection of compact portion (22) and reduce gradually, and the diameter that feed opening (211) is close to the one end of feed portion (21) equals with the diameter of ejection of compact hole (221).
6. A drawing die according to claim 1, wherein: and one end of the discharge hole (221) of the discharge part (22), which is far away from the feed hole (211), is subjected to rounding treatment, and a round angle (4) is formed at one end of the discharge hole (221), which is far away from the feed hole (211).
7. A drawing die according to claim 1, wherein: the mold comprises a mold shell (1), and is characterized in that heat dissipation holes (5) are formed in the outer cylindrical surface of the mold shell (1), and the heat dissipation holes (5) are circumferentially arranged along the outer cylindrical surface of the mold shell (1).
8. A drawing die according to claim 1, wherein: the outer cylindrical surface of the die shell (1) is provided with reinforcing ribs (6), and the reinforcing ribs (6) are arranged along the circumferential direction of the outer cylindrical surface of the die shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922195.2U CN214160907U (en) | 2020-09-05 | 2020-09-05 | Wire drawing die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922195.2U CN214160907U (en) | 2020-09-05 | 2020-09-05 | Wire drawing die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214160907U true CN214160907U (en) | 2021-09-10 |
Family
ID=77590194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021922195.2U Expired - Fee Related CN214160907U (en) | 2020-09-05 | 2020-09-05 | Wire drawing die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214160907U (en) |
-
2020
- 2020-09-05 CN CN202021922195.2U patent/CN214160907U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |