CN214423001U - High-reliability metal wire stranded wire mold - Google Patents

Abstract

The utility model discloses a high reliability wire stranded conductor mould, including die body and mold core, the die body divide into go up the mould and with last mould assorted lower mould, go up mould and lower mould and pass through bolt locking, and go up and form the die cavity between mould and the lower mould, the die cavity forms entrance area, design district and export district along the wire direction of advance, and the mold core is installed in the annular groove in the design district through the cyclic annular arch in its outside, and the mold core divide into in proper order along the wire direction of advance to reduce ring sum sizing ring. The mold core plays the effect of compact and sizing when the stranded conductor, simultaneously can be after long-time work, and when the mold core wearing and tearing and reduce product quality, can the die sinking quick replacement mold core, need not wholly tear the change mould open, the down time is short, improves maintenance and change efficiency, and the free mold core of on the other hand is convenient for solitary maintenance and change, can change the mold core according to the stranded conductor size, realizes the multi-purpose of a mould, improves production efficiency.

Description

High-reliability metal wire stranded wire mold

Technical Field

The utility model relates to a stranded conductor mould technical field, concretely relates to high reliability metal wire stranded conductor mould.

Background

The existing stranding die adopts mature technology for many years, except that the existing stranding die is different in materials, the technology is completely consistent with the design scheme, the stranding die is used for passing through a shrinking sizing hole in the passing period, a plurality of strands of metal wires passing through the shrinking sizing hole move simultaneously at a certain linear speed and a certain autorotation speed to be wound into a cable according to the determined outer diameter of a finished product, in fact, a tight pressure is applied to the plurality of strands of metal wires, the metal wires play a sizing role in the working process of a stranding machine, the plurality of strands of metal wires are precisely wound together according to a certain regular direction according to a certain lay length (a machine can be additionally set) after sizing, the surface is round, and the metal wires are not loose

The existing stranding die can produce a large number of unqualified products when production is interrupted due to sudden stop or other unexpected conditions in the stranding process, for example, the problems of wire jumping, bulging, loose wire diameter, non-round wire diameter and the like can occur. Under normal conditions, the multi-strand metal wire synchronously moves at a certain linear speed (the linear speed is driven by the traction force action of the stranding machine in a starting state) and at a rotation speed (the rotation is generated by the rotation of a twister when the stranding equipment works), the multi-strand metal wire rotates together to generate a torsion, the smaller the twisting pitch is, the larger the torsion is, when the equipment stops running suddenly, the multi-strand metal wire loses the traction force and the rotation torsion suddenly, the wire breakage can be caused naturally, and the wire can jump, loosen, drum and other problems can be caused by the torsion reaction; in addition, each stranded wire die can only process the stranded wires with fixed specifications singly, and the die cavity of the die is often damaged due to long-time friction with the metal wires, so that the quality of the stranded wires is influenced, frequent shutdown maintenance is needed, the production time is wasted, and the economic benefit is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high reliability metal wire stranded conductor mould to when often damaging because of rubbing with the metal wire in solving the mould die cavity, need often shut down the maintenance, and the maintenance is inconvenient, extravagant production time, influence economic benefits, and appear beating, loose, quality problems such as drum appear during the stranded conductor.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a high reliability wire stranded conductor mould, includes die body and mold core, the die body divide into go up the mould and with go up mould assorted lower mould, go up the mould with the lower mould passes through bolt locking, just go up the mould with form the die cavity between the lower mould, the die cavity forms entrance district, design district and export district along wire direction of advance, the mold core is installed through the annular bulge in its outside in the annular groove in the design district, the mold core divide into in proper order along wire direction of advance and contracts ring sum sizing ring.

The further technical scheme is as follows: the tightening ring is a conical cylinder which is divided into an upper half cylinder and a lower half cylinder along the axial direction of the conical cylinder.

The further technical scheme is as follows: the taper of the discharge end of the tightening ring is degree minus degree.

The further technical scheme is as follows: the hole of sizing ring is the shoulder hole, the upper segment hole of shoulder hole is the joint hole, the inner wall in joint hole is provided with the joint annular, the joint bulge loop that contracts the small-bore one end of ring and pass through its outside is installed in the joint annular.

The further technical scheme is as follows: the lower end of the stepped hole is a shaping finishing hole, and the length of the shaping finishing hole is-mm.

The further technical scheme is as follows: the taper of the inlet zone and the taper of the outlet zone are both degrees.

The further technical scheme is as follows: the communicating parts among the inlet area, the mold core and the outlet area are all in smooth transition.

The further technical scheme is as follows: the upper die and the lower die are both provided with circulating cooling water channels.

Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:

1. the utility model provides a high reliability metal wire stranded conductor mould, on original mould basis, adopt the mode of die body and mold core matched stack processing stranded conductor, mold core demountable installation is in the die body, the die body passes through bolt locking, and then it is fixed with the mold core, the mold core plays shrink and sizing effect when the stranded conductor, simultaneously on the one hand can be after long-time work, when the mold core weares and teares and reduce product quality, can die sinking quick replacement mold core, need not wholly tear the mould open and trade, the down time is short, improve maintenance and change efficiency, on the other hand free mold core is convenient for solitary maintenance and change, can change the mold core according to the stranded conductor size, realize the multi-purpose of a mould, and the production efficiency is improved.

2. The sizing ring is lengthened, namely the sizing area is lengthened, so that the advantages that when sudden stop or other accidents occur, the multi-strand metal wire cannot move in the sizing area, and the problems of strand jumping, bulging, loose wire diameter, non-circular wire diameter and the like cannot occur. After the sizing area is lengthened, even if unexpected stop is caused due to emergency, the metal wire can not move because the metal wire is firmly pressed in the sizing area, thereby reducing unqualified products.

Drawings

Fig. 1 is the utility model relates to a high reliability metal wire stranded conductor mould's schematic structure diagram.

Fig. 2 is a schematic structural view of the mold core shown in fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the cross section of fig. 2 according to the present invention.

Fig. 4 is a schematic view of the tightening ring of fig. 1 according to the present invention.

Fig. 5 is a schematic structural view of the sizing ring of fig. 1 according to the present invention.

Reference numerals: 1. a lower die; 2. a mold core; 21. a compression ring; 22. sizing rings; 3. a bolt; 4. a mold cavity; 41. an inlet zone; 42. a shaping area; 43. an exit zone; 5. an annular projection; 6. an annular groove; 7. a clamping hole; 71. clamping the ring groove; 8. shaping and finishing the hole; 9. clamping the convex ring; 10. and circulating the cooling water channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

embodiment 1 please refer to an embodiment shown in fig. 1, a high-reliability metal wire stranded wire die comprises a die body and a die core 2, wherein the die body is divided into an upper die and a lower die 1 matched with the upper die, the upper die and the lower die 1 are locked by bolts 3, a die cavity 4 is formed between the upper die and the lower die 1, the die cavity 5 forms an inlet area 41, a shaping area 42 and an outlet area 43 along the advancing direction of a metal wire, the die core 2 is installed in an annular groove 6 in the shaping area 42 through an annular bulge 5 on the outer side of the die core, and the die core 2 is sequentially divided into a tightening ring 21 and a sizing ring 22 along the advancing direction of the metal wire.

The high-reliability metal wire stranded wire die comprises a die core 2, a bolt 3, an inlet area 41, a shaping area 42 and an outlet area 43, wherein the die cavity 4 between the upper die 1 and the lower die 1 is formed by the die core 2 which is detachably arranged between the upper die 1 and the lower die 1 along the advancing direction of a metal wire, the die core 2 is arranged in an annular groove 6 in the shaping area 42 through an annular bulge 5 on the outer side of the die core, the die core is pressed and clamped and fixed between the upper die 1 and the lower die 1, the die core 2 is sequentially divided into a tightening ring 21 and a sizing ring 22 along the advancing direction of the metal wire, on the basis of the original die, the mode that the die core 2 is assembled with the die core 2 to process stranded wires is adopted, the die core 2 is detachably arranged in the die body, the die body is locked through the bolt 3 to further fix the die core 2, the tightening ring 21 and the sizing ring 22 of the die core 2 play a tightening and sizing effect during stranded wires, and on the one hand, after long-time work, the die core 2 is worn to reduce the product quality, can the die sinking quick replacement mold core 2, need not wholly tear the mould of trading open, the down time is short, improves maintenance and change efficiency, and the free mold core 2 of on the other hand is convenient for solitary maintenance and change, can change mold core 2 according to the stranded conductor size, realizes the multi-purpose of a mould, improves production efficiency.

Example 2:

on the basis of the above embodiment 1, embodiment 2 refers to an embodiment shown in fig. 2, 3, 4 and 5, and the tightening ring 21 is a tapered cylinder which is divided into an upper half cylinder and a lower half cylinder along the axial direction thereof.

Preferably, the taper of the discharge end of the constricting ring 21 is between 10 and 30.

The tightening ring 21 is a conical cylinder, can gradually retract the cable which is wound preliminarily, and the conical cylinder is divided into an upper half cylinder and a lower half cylinder along the axial direction of the conical cylinder, so that the conical cylinder is convenient to assemble and disassemble for maintenance when being worn.

The taper of the discharge end of the tightening ring 21 is 10-30 degrees, the optimum taper is 12-24 degrees, the small caliber and the narrow degree are beneficial to the retraction of the stranded wire, and the problems of strand jumping, bulging and loosening of the wire diameter are rarely caused.

Example 3:

on the basis of the above embodiment, embodiment 3 shows an embodiment, the hole of sizing ring 22 is the shoulder hole, the upper segment hole of shoulder hole is joint hole 7, the inner wall of joint hole 7 is provided with joint annular 71, it installs through the joint bulge loop 9 in its outside to reduce the small-bore one end of ring 21 in joint annular 71.

Preferably, the lower end of the stepped hole is a shaping finishing hole 8, and the length of the shaping finishing hole 8 is 3-8 mm.

It installs through the joint bulge loop 9 in its outside to tighten the small-bore one end of ring 21 in the joint annular 71, after tightening ring 21 and letting in stranded wire, can take place the inflation, joint bulge loop 9 can firmly block in joint annular 71, and the length of design smooth hole 8 is prolonged to being 3-8mm by 1-2mm before, will design smooth hole 8 (sizing district) extension, and such benefit is when meetting suddenly and parkking or other unexpected circumstances, and stranded wire can not move in the sizing district, so jump strand can not appear, the bulging, the line footpath becomes loose, the not round scheduling problem of line footpath. After the sizing area is lengthened, even if unexpected stop is caused due to emergency, the metal wire can not move because the metal wire is firmly pressed in the sizing area, thereby reducing unqualified products.

Example 4:

in addition to the above embodiments, embodiment 4 shows an embodiment wherein the inlet section 41 and the outlet section 43 are both tapered at 60 ° to 90 °.

Preferably, the inlet zone 41, the core 2 and the outlet zone 43 are all in smooth transition.

The conicity of the inlet area 41 and the conicity of the outlet area 43 are both 60 degrees to 90 degrees, and the inlet area 41 and the outlet area 43 are designed into flared trumpets, so that feeding is facilitated, and the communication parts among the inlet area 41, the mold core 2 and the outlet area 43 are all in smooth transition, so that the cables are prevented from being damaged due to conditions such as dislocation and the like, and quality problems are prevented.

Example 5:

on the basis of the above embodiment, embodiment 5 shows an embodiment in which the upper die and the lower die 1 are each provided with a circulating cooling water passage 10.

The upper die and the lower die 1 are provided with circulating cooling water channels 10, heat is generated through long-time friction during stranding, the circulating cooling water channels 10 are convenient to take away the heat, and a cooling effect is achieved.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a high reliability metal wire stranded conductor mould which characterized in that: including die body and mold core (2), the die body divide into go up the mould and with go up mould assorted lower mould (1), go up the mould with lower mould (1) are locked through bolt (3), just go up the mould with form die cavity (4) between lower mould (1), die cavity (4) are followed wire direction of advance and are formed entrance area (41), design district (42) and export district (43), install through annular protruding (5) in its outside mold core (2) in annular groove (6) in design district (42), mold core (2) are divided into in proper order along wire direction of advance and are tightened ring (21) and sizing ring (22).

2. The high-reliability metal wire strand die of claim 1, wherein: the tightening ring (21) is a conical cylinder which is divided into an upper half cylinder and a lower half cylinder along the axial direction of the conical cylinder.

3. The high-reliability metal wire strand die of claim 2, wherein: the taper of the discharge end of the tightening ring (21) is 10-30 degrees.

4. The high-reliability metal wire strand die of claim 1, wherein: the hole of sizing ring (22) is the shoulder hole, the upper segment hole of shoulder hole is joint hole (7), the inner wall of joint hole (7) is provided with joint annular (71), it installs through joint bulge loop (9) in its outside to reduce the small-bore one end of ring (21) in joint annular (71).

5. The high-reliability metal wire strand die of claim 4, wherein: the lower end of the stepped hole is provided with a shaping finishing hole (8), and the length of the shaping finishing hole (8) is 3-8 mm.

6. The high-reliability metal wire strand die of claim 1, wherein: the conicity of the inlet area (41) and the outlet area (43) is 60-90 degrees.

7. The high-reliability metal wire strand die of claim 1, wherein: the communication positions among the inlet area (41), the mold core (2) and the outlet area (43) are all in smooth transition.

8. The high-reliability metal wire strand die of claim 1, wherein: the upper die and the lower die (1) are both provided with circulating cooling water channels (10).

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