CN209903864U

CN209903864U - BV wire insulating sleeve coating machine

Info

Publication number: CN209903864U
Application number: CN201920561400.8U
Authority: CN
Inventors: 沈新华
Original assignee: Anhui Guowei Cable Group Co Ltd
Current assignee: Anhui Guowei Cable Group Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-01-07
Anticipated expiration: 2029-04-23

Abstract

The utility model relates to a BV line insulation cover coating machine, include the extruder body and install the extrusion tooling who extrudes the exit in the extruder body, extrusion tooling include die sleeve and mold core, be provided with the frustum groove on the die sleeve, seted up the inlet wire on the mold core and led to the groove, seted up the wire hole on the bottom surface in frustum groove, the mold core is including twisting out post and base, the one end of twisting out the post is the frustum form, it forms annular installed part to appear on twisting out the great bottom surface of post cross section, and the axis of installed part and the axis that the groove was led to the inlet wire are located same straight line, set up the mounting hole that the diameter equals the installed part external diameter on the base, the axis and the inlet wire of mounting hole lead to the groove and be located same straight line, twist out piece and base and pass through threaded connection, the die sleeve install on the mold core, and the die sleeve in the frustum groove and twist out the interval have the. When BV lines of different specifications are manufactured, only the screw-out column and the die sleeve need to be replaced, the whole extrusion die does not need to be replaced, and the replacement is convenient and fast.

Description

BV wire insulating sleeve coating machine

Technical Field

The utility model relates to a technical field of extruding machine especially relates to a BV line insulation cover coating machine.

Background

The BV wire, for short, is a plastic copper wire, which consists of a copper wire core and a polyvinyl chloride insulating layer coated outside the wire core. Most of the conventional BV lines are extruded and molded by a head die on an extruder. The diameters of the copper wire cores are different from one another. When a BV wire is manufactured, different machine head dies need to be replaced. Most of the existing machine head dies are compact in structure and large in size, and when BV lines of various specifications are manufactured, the die replacement is very troublesome and tedious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a BV wire insulation cover coating machine of different specification BV wires that can be convenient produces.

The above object of the present invention can be achieved by the following technical solutions: a BV wire insulating sleeve coating machine comprises an extruder body and an extrusion die arranged at an extrusion port in the extruder body, wherein the extrusion die comprises a die sleeve and a die core, the front end of the die core is in a frustum shape, the die sleeve is provided with a frustum groove with the same shape as the front end of the die core, the die core is provided with a wire inlet through groove, the wire inlet through groove is formed in the top surface of the frustum, the bottom surface of the frustum groove is provided with a wire outlet hole, the die core comprises an screwing-out column and a base, one end of the screwing-out column is in the frustum shape, an annular mounting piece is formed by protruding on the bottom surface with the larger cross section of the screwing-out column, the axis of the mounting piece and the axis of the wire inlet through groove are positioned on the same straight line, the base is provided with a mounting hole with the diameter equal to the outer diameter of the mounting piece, the axis of the mounting hole and the wire inlet through groove are positioned on the same straight line, the screwing-out, and an extrusion gap is arranged between the frustum groove in the die sleeve and the screw-out column at intervals.

By adopting the technical scheme, when the wire core is subjected to extrusion molding coating, the die sleeve is taken down firstly, then the screwing-out column is screwed down, then different screwing-out columns are installed according to the prepared BV wire specification, and finally the die sleeve is fixedly installed. The shapes of the inlet wire through groove and the outlet wire hole on the screwing-out column and the die sleeve can be set according to actual requirements. When the BV wire is faced with a plurality of BV wires with different specifications, only the screw-out column and the die sleeve need to be replaced, and the whole extrusion die does not need to be replaced. The replacement is convenient and fast, and the BV wire replacement device can be suitable for BV wires of various specifications.

The utility model discloses further set up to: the die sleeve on seted up the feed chute, the feed chute with extrude the mouth and be connected, the feed chute is kept away from the one end of extruding the mouth and has been seted up the splitter box, the splitter box is provided with two, the other end of splitter box with extrude the space and be connected, and the splitter box is the filling hole with the position of extruding the space junction, the filling hole all is located same straight line through the logical groove axis of inlet wire, and this straight line perpendicular to horizontal plane, the shape of two splitter boxes is the same.

Through adopting above-mentioned technical scheme, can make the polyvinyl chloride who extrudes from the extruder body in can getting into extrusion tooling from the feed chute, later get into two splitter boxes respectively in to get into from the filling hole and extrude in the space. Polyvinyl chloride can evenly get into and extrude in the space, is difficult for appearing the phenomenon of sinle silk offset, and the BV line structure of making out is effectual.

The utility model discloses further set up to: the injection hole be located screw out one side that is provided with screw out piece in the piece and base junction plane, the base on the fixed baffling ring that is provided with, baffling ring medial surface laminate with the side of screwing out the post, the lateral surface and the die sleeve laminating of baffling ring, the one end that the base was kept away from to the baffling ring is located the position between injection hole and the base.

By adopting the technical scheme, the gap between the blocking ring and the screwing-out column can be sealed. Make polyvinyl chloride when getting into from the filling hole and extruding the space in, polyvinyl chloride is difficult for getting into the logical inslot of inlet wire from between barrier ring and the back-out post, makes the logical inslot of inlet wire keep clean and tidy, and the sinle silk can smoothly pass from the logical inslot of inlet wire. Thereby improving the quality of the coated BV.

The utility model discloses further set up to: the inlet wire leads to the cross section size that the groove is close to die sleeve one end and is less than the cross section size of keeping away from die sleeve one end, the inlet wire lead to the inslot be close to the fixed sealing ring that is provided with on the side of die sleeve one end.

Through adopting above-mentioned technical scheme, the sealing ring seals the space that the inlet wire led to between the groove and the sinle silk, and is fixed with the position inlet wire of sinle silk, and polyvinyl chloride is difficult for getting into the logical inslot of inlet wire from the sealing ring, makes the sinle silk can smoothly pass from the logical inslot of inlet wire, has improved the quality of the BV that the cladding came out.

The utility model discloses further set up to: the die sleeve is fixedly provided with a mounting assembly, the wire outlet hole is formed in the mounting assembly, and the mounting assembly is formed by splicing at least two die assemblies.

Through adopting above-mentioned technical scheme, when the cladding sinle silk, if the die sleeve of this moment when the condition of damage or appearing, need not to cut off the sinle silk, directly will install the subassembly and dismantle. The rejection rate is reduced, and the production cost is reduced.

The utility model discloses further set up to: the die sleeve is provided with a fixing bolt in a penetrating mode, the mounting assembly is provided with a fixing blind hole, and the fixing bolt is arranged in the fixing blind hole in a penetrating mode.

Through adopting above-mentioned technical scheme, can be simple with installation component fixed mounting on the die sleeve, convenient to use, the structure is firm.

The utility model discloses further set up to: the mold core is fixedly provided with a contraction ring, the contraction ring is fixedly arranged on one side of the mold core far away from the mold sleeve, and the size of the cross section of the contraction ring far away from one end of the mold core is smaller than that of the cross section of the contraction ring close to one end of the mold core.

Through adopting above-mentioned technical scheme, the difficult one end that keeps away from the die sleeve from the mold core of foreign matter such as dust gets into the logical inslot of inlet wire to guarantee the logical inslot of inlet wire clean, make the sinle silk can smoothly pass from the logical inslot of inlet wire, improved the quality of the BV that the cladding came out.

The utility model discloses further set up to: the extrusion port is fixedly provided with a protective shell, and the extrusion die is fixedly arranged in the protective shell.

By adopting the technical scheme, the extrusion die is protected, and the probability of damage of the extrusion die is reduced. Meanwhile, the operator is not easy to directly touch the extrusion die, and the safety of the operator is protected.

To sum up, the utility model discloses a beneficial technological effect does:

1. when BV wires with different specifications are manufactured, only the screw-out column and the die sleeve need to be replaced, the whole extrusion die does not need to be replaced, and the replacement is convenient and quick;

2. the interior of the inlet wire through groove is kept clean, and the wire core can smoothly pass through the inlet wire through groove, so that the quality of the coated BV is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of the extrusion die after the extrusion die has hidden a portion of the structure;

fig. 4 is a schematic view of the structure of a feed chute and a diverter chute in an extrusion die.

Reference numerals: 1. an extruder body; 11. extruding the mould; 12. a protective shell; 2. die sleeve; 21. a mold core; 22. a base; 23. screwing out the column; 24. a wire inlet through groove; 25. a seal ring; 26. a mounting member; 27. mounting holes; 3. a frustum groove; 31. a wire outlet hole; 32. extruding a void; 33. a bundling ring; 4. mounting the component; 41. a module component; 42. fixing the bolt; 43. fixing the blind hole; 44. a feed chute; 45. a shunt slot; 46. an injection hole; 5. a barrier ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a BV wire insulating sheath coating machine includes an extruder body 1 and an extrusion die 11 installed at an extrusion port in the extruder body 1. Fixedly mounted on extruder body 1 is protective housing 12, and protective housing 12 comprises a board, and the upper and lower both ends of board all are towards the perpendicular jack-up of same side to fixed mounting is in extrusion department, and extrusion tooling 11 is located protective housing 12. The extrusion die 11 is protected by the protection shell 12, and the probability of damage of the extrusion die 11 is reduced. The operator is not easy to directly touch the extrusion die 11, and the safety of the operator is protected.

As shown in fig. 3 and 4, the extrusion die 11 includes a die case 2 and a die core 21. The mold core 21 comprises a base 22 and a screw-out column 23 fixedly mounted on the base 22, and one end of the screw-out column 23 far away from the base 22 is in a frustum shape. The top surface of the frustum is provided with a wire inlet through groove 24, and the other end of the wire inlet through groove 24 is positioned on the base 22. The cross section of one end of the inlet wire through groove 24 far away from the base 22 is smaller than that of one end of the inlet wire through groove 24 close to the base 22, and a sealing ring 25 is convexly formed at one end of the inlet wire through groove 24 far away from the base 22. The sealing ring 25 seals the gap between the wire inlet through groove 24 and the wire core, so that the position wire inlet of the wire core is fixed, and the polyvinyl chloride is not easy to enter the wire inlet through groove 24 from the sealing ring 25. An annular mounting piece 26 is integrally formed on the bottom surface of the screwing-out column 23 with the larger cross section, a mounting hole 27 with the diameter equal to the outer diameter of the mounting piece 26 is formed in the side surface of the base 22 close to one end of the screwing-out column 23, and threads are arranged on the inner side surface of the mounting hole 27 and the outer side surface of the mounting piece 26. The axes of the mounting holes 27, the axes of the feed-through slots 24 and the axes of the mounting pieces 26 are all located on the same straight line. The die sleeve 2 is provided with a frustum groove 3, the shape of the frustum groove 3 is the same as that of a frustum at one end of the screw-out column 23 far away from the base 22, and the bottom surface of the inner side of the frustum groove 3 is provided with a wire outlet 31. The die sleeve 2 is arranged on the die core 21, and an extrusion gap 32 is arranged between the frustum groove 3 and the screwing-out column 23 in the die sleeve 2. When the wire core is subjected to extrusion molding and cladding, the lower die sleeve 2 is taken firstly, then the screwing-out column 23 is screwed out, then different screwing-out columns 23 are installed according to the prepared BV wire specification, and finally the die sleeve 2 is fixedly installed. The shapes of the screw-out column 23 and the wire inlet through groove 24 and the wire outlet hole 31 on the die sleeve 2 can be set according to actual requirements. When facing a plurality of BV lines of different specifications, only the screw-out post 23 and the die case 2 need to be replaced, and the whole extrusion die 11 does not need to be replaced.

As shown in fig. 3 and 4, a constricting ring 33 is fixedly mounted on the side of the mold core 21 far away from the mold sleeve 2, and the cross section of the end of the constricting ring 33 far away from the mold core 21 is smaller than that of the end close to the mold core 21. The dust and other foreign matters are not easy to enter the inlet wire through groove 24 from the end, far away from the die sleeve 2, of the die core 21, the cleanness of the inlet wire through groove 24 is guaranteed, and the quality of the coated BV is improved.

As shown in fig. 3 and 4, the die sleeve 2 is provided with a mounting assembly 4, the mounting assembly 4 is formed by splicing two module assemblies 41 with the same shape, and the wire outlet 31 is arranged on the mounting assembly 4. The die sleeve 2 is provided with a fixing bolt 42 in a penetrating way, the module component 41 is provided with a fixing blind hole 43, and the fixing bolt 42 is arranged in the fixing blind hole 43 in a penetrating way. When cladding sinle silk, if the die sleeve 2 of this moment when the condition of damage or appearing, need not to cut off the sinle silk, directly dismantle installation component 4 get off. The rejection rate is reduced, the production cost is reduced, and the installation is very convenient. The die sleeve 2 is provided with a feed chute 44, one end of the feed chute 44 is connected with the extrusion port, the other end of the feed chute 44 is provided with two shunting chutes 45 with the same shape, the other ends of the two shunting chutes 45 are connected with the extrusion gap 32, the connection part is an injection hole 46, and the straight line of the two injection holes 46 is perpendicular to the horizontal plane and passes through the axis of the wire inlet through groove 24. Through such setting, make in the polyvinyl chloride of extruding from extruder body 1 can evenly get into and extrude the space 32, be difficult for appearing the phenomenon of sinle silk offset, the BV line structure of making is effectual.

As shown in fig. 4, a blocking ring 5 is integrally formed on one side surface of the base 22 close to the screw-out member, an inner side surface of the blocking ring 5 is attached to an outer side surface of the screw-out post 23, and an outer side surface of the blocking width is attached to the die case 2. The end of the barrier ring 5 remote from the base 22 is located between the injection hole 46 and the base 22. Through separation ring 5, make polyvinyl chloride be difficult for following separation ring 5 and screw out and get into the logical groove 24 of inlet wire between the post 23 in, make the logical inslot 24 of inlet wire keep clean and tidy, the sinle silk can smoothly pass from the logical inslot 24 of inlet wire to the quality of the BV that the cladding was come out has been improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a BV line insulation cover coating machine, includes extruder body (1) and installs extrusion tooling (11) in extruder body (1) extrusion exit, extrusion tooling (11) including die sleeve (2) and mold core (21), the front end of mold core (21) is the frustum form, is provided with the frustum groove (3) that shape and mold core (21) front end form are the same on die sleeve (2), mold core (21) on seted up logical groove (24) of inlet wire, the inlet wire leads to groove (24) and sets up on the top surface of frustum, has seted up wire hole (31), its characterized in that on the bottom surface of frustum groove (3): mold core (21) including twisting out post (23) and base (22), the one end of twisting out post (23) is the frustum form, it has annular installed part (26) to protrude on the great bottom surface of post (23) cross section to twist out, and the axis of installed part (26) and the axis that the logical groove of inlet wire (24) are located same straight line, set up mounting hole (27) that the diameter equals installed part (26) external diameter on base (22), the axis and the logical groove of inlet wire (24) of mounting hole (27) are located same straight line, twist out piece and base (22) and pass through threaded connection, die sleeve (2) install on mold core (21), and in die sleeve (2) frustum groove (3) and twist out the interval have between post (23) and extrude space (32).

2. The BV wire insulation cover wrapping machine according to claim 1, wherein: die sleeve (2) on seted up feed chute (44), feed chute (44) with extrude the mouth and be connected, splitter box (45) have been seted up to feed chute (44) one end of keeping away from to extrude the mouth, splitter box (45) are provided with two, the other end of splitter box (45) with extrude space (32) and be connected, and splitter box (45) and the position of extruding space (32) junction are filling hole (46), filling hole (46) all are located same straight line through the logical groove (24) axis of inlet wire, and this sharp perpendicular to horizontal plane, the shape of two splitter boxes (45) is the same.

3. The BV wire insulation cover wrapping machine according to claim 2, wherein: injection hole (46) be located screw out one side that piece and base (22) junction were provided with screw out in the plane, base (22) on the fixed baffling ring (5) that is provided with, baffling ring (5) medial surface laminate with the side of screwing out post (23), the lateral surface and the die sleeve (2) laminating of baffling ring (5), the one end that base (22) were kept away from in baffling ring (5) is located the position between injection hole (46) and base (22).

4. The BV wire insulation cover wrapping machine according to claim 1, wherein: the inlet wire lead to the cross section size that groove (24) are close to die sleeve (2) one end be less than the cross section size of keeping away from die sleeve (2) one end, inlet wire lead to the side that groove (24) are interior to be close to die sleeve (2) one end on fixed sealing ring (25) that is provided with.

5. The BV wire insulation cover wrapping machine according to claim 1, wherein: the die sleeve (2) is fixedly provided with a mounting assembly (4), the wire outlet hole (31) is formed in the mounting assembly (4), and the mounting assembly (4) is formed by splicing at least two module assemblies (41).

6. The BV wire insulating sheath covering machine of claim 5, wherein: the die sleeve (2) is provided with a fixing bolt (42) in a penetrating mode, the mounting assembly (4) is provided with a fixing blind hole (43), and the fixing bolt (42) is arranged in the fixing blind hole (43) in a penetrating mode.

7. The BV wire insulation cover wrapping machine according to claim 1, wherein: the die core (21) on fixed mounting have and receive collar (33), the collar (33) fixed mounting of receiving in die core (21) keep away from one side of die sleeve (2), the collar (33) keep away from the cross section size of die core (21) one end be less than the cross section size that is close to die core (21) one end.

8. The BV wire insulation cover wrapping machine according to claim 1, wherein: extrusion port department fixed mounting have protective housing (12), extrusion tooling (11) fixed mounting in protective housing (12).