CN211138038U - Production device for plastic-coated steel wire for automobile back seat framework - Google Patents
Production device for plastic-coated steel wire for automobile back seat framework Download PDFInfo
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- CN211138038U CN211138038U CN201921648846.0U CN201921648846U CN211138038U CN 211138038 U CN211138038 U CN 211138038U CN 201921648846 U CN201921648846 U CN 201921648846U CN 211138038 U CN211138038 U CN 211138038U
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Abstract
The utility model relates to a production device for plastic-coated steel wires for automobile back seat frameworks, which is characterized in that the production device comprises a heat treatment device, an immersion device, a blow-drying device and an extrusion molding device in sequence from front to back, wherein the blow-drying device comprises a base, the base is of a rectangular plate structure, a die sleeve is arranged on the base, the die sleeve comprises an upper die sleeve and a lower die sleeve which are connected up and down, and a cover plate is arranged on the left side of the die sleeve; the extrusion molding device comprises an extrusion molding machine body, wherein a negative pressure device is arranged at the inlet end of the extrusion molding machine body, the negative pressure device comprises a die head and a die head, a wire inlet pipe is arranged on the die head, the bottom of the wire inlet pipe is connected with a vent pipe, the lower end of the vent pipe is connected with a vacuumizing pipe, and a pressure gauge is arranged at the top of the wire inlet pipe. The utility model has the advantages of carry out thermal treatment, immersion fluid, weather, plastic-coated to the steel wire surface, guarantee that the steel wire surface has the bond line of ideal thickness, avoid other impurity to adhere to on the steel wire surface simultaneously, guarantee product quality.
Description
Technical Field
The utility model relates to a car back seat skeleton is with production facility for steel wire is moulded to package belongs to plastic-coated steel wire technical field.
Background
The automobile seat is one of automobile parts and can be divided into a split seat and a bench seat according to the shape; the functions can be divided into fixed type, detachable type, adjustable type and the like. The back seat is made by weaving other steel wires together on the basis of two skeleton main steel wires to form a net shape and then wrapping other ornaments, and besides the basic functions, the back seat also requires certain strength, firmness, durability and the like, wherein the quality of the main skeleton steel wires, including strength, linearity, coating binding force after plastic wrapping and the like, is a key material influencing the usability, economy and safety of the back seat. At present, the main framework steel wire is mostly made of thick cold-drawn steel wires, and the cold-drawn steel wires are relatively poor in straightness (generally, cold-drawn steel wires are cold-processed and straightened, the processing procedure is relatively complex, and the quality stability is poor), and meanwhile, the cold-drawn steel wires have various differences, differences exist in service life, the stability is not high, and in addition, the phenomena of irregularity and poor stability exist in the binding force between a coating material and a steel wire substrate, so that the development of the seat quality is influenced to a certain extent.
Therefore, the heat treatment process is considered to be adopted, so that the strength, the linearity and the like of the framework steel wire are ensured to meet the use requirements. When the method is specifically implemented, the cold-drawn steel wire is subjected to heating-quenching-tempering treatment, so that a tempered martensite structure with good harness cord consistency and good linearity is obtained, and the requirements of the performance of the skeleton steel wire are met. During production, the surface of the steel wire is required to be free of oil stains and dust in order to meet the requirement of subsequent plastic coating. In order to improve the binding force between the plastic-coated steel wire coating material and a matrix, before plastic coating, the steel wire after heat treatment is firstly passed through a liquid with high adhesiveness for 3-6 seconds, then the surface of the steel wire is required to be dried immediately, the thickness of a binding layer is controlled to be 6-10g/m2, and finally the steel wire directly enters an extruding machine for normal plastic coating production. However, the traditional plastic-coated steel wire for the automobile back seat framework has no special production device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a car back seat skeleton is with package plastic steel wire apparatus for producing is provided to above-mentioned prior art for to carry out thermal treatment, immersion fluid, weather, plastic-coated to the steel wire surface, guarantee that the steel wire surface has the bond line of ideal thickness, avoid other impurity to adhere to on the steel wire surface simultaneously, guarantee product quality.
The utility model provides a technical scheme that above-mentioned problem adopted does:
a production device for plastic-coated steel wires for automobile back seat frameworks sequentially comprises a heat treatment device, a liquid immersion device, a blow-drying device and an extrusion molding device from front to back,
the blow-drying device comprises a base, the base is of a rectangular plate structure, a die sleeve is arranged on the base and comprises an upper die sleeve and a lower die sleeve which are connected up and down, and a cover plate is arranged on the left side of the die sleeve;
one surface of the upper die sleeve and one surface of the lower die sleeve, which are buckled with each other, are provided with conical holes, the left end opening of each conical hole is larger, the right end opening of each conical hole is smaller, the center of the top of the upper die sleeve is downwards provided with a vertical air inlet hole, the joint of the lower end of each air inlet hole and each conical hole is provided with a circle of air-through ring grooves, the die sleeves are connected with the base through four vertically arranged bolts, the left end surface of each die sleeve is provided with a sealing groove, and the sealing groove is positioned on the outer,
the cover plate comprises a circular cover plate main body and a taper sleeve, the left end of the taper sleeve is connected with the right side face of the cover plate main body, the shape of the taper sleeve is matched with the shape of the taper hole, the outer diameter and the length of the taper sleeve are smaller than the inner diameter and the length of the taper hole, a gap is reserved between the taper sleeve and the taper hole, an air blowing channel is formed in the gap, the taper sleeve is located in the taper hole, a transverse wiring channel is arranged at the centers of the cover plate main body and the taper sleeve, and the inner diameter of the wiring channel is consistent with the inner diameter of the right end of the taper.
The extrusion molding device includes the extruding machine organism, and the entry end of extruding machine organism is provided with negative pressure device, the front end that negative pressure device includes die head, die head is provided with the apron, and the front of apron is provided with a fixing base, and the articulated flange that is provided with on the fixing base, the preceding terminal surface of flange are connected with the inlet wire pipe, and the bottom of inlet wire pipe is connected with a breather pipe, and the lower extreme of breather pipe is connected with a vacuum tube, and vacuum tube's middle part and breather pipe are connected, and the top of inlet wire pipe is provided.
The base is provided with four base bolt holes which are arranged in an array mode, the upper die sleeve and the lower die sleeve are provided with four die sleeve bolt holes which are communicated from top to bottom, the four die sleeve bolt holes are arranged in an array mode, the positions of the four die sleeve bolt holes correspond to the positions of the four base bolt holes, and the four bolts penetrate through the positions of the four die sleeve bolt holes and the four base bolt holes respectively and are locked through nuts.
Four transverse cover plate bolt holes are formed in the cover plate main body, and four cover plate bolts penetrate through the cover plate bolt holes to fix the cover plate on the left end face of the die sleeve.
The base is further provided with two waist circle fixing grooves.
Compared with the prior art, the utility model has the advantages of:
the utility model discloses in the use, the inlet port is ventilated, and the air current enters into to the ring groove of ventilating from the inlet port, and the ring groove of ventilating has guaranteed the degree of consistency of follow-up blowing, and the air current then gets into the gas channel, because the gas channel reduces gradually from its effective gas blowing area from a left side to the right side for the air current of blowing can be strengthened and is blown the stoving to the steel wire of walking the line passageway right-hand member, has guaranteed the dynamics of blowing, the degree of consistency and cleanliness. When the steel wire passes through the inlet wire pipe and gets into the die head, the evacuation pipe begins the evacuation, utilizes vacuum generator's principle, lets in the compressed air of certain pressure when the air inlet, and control gas flows along the end of giving vent to anger, and like this, system strand (steel wire) inlet wire end will produce the negative pressure to the air that drives system strand inlet wire position of twisting with fingers is discharged from the gas outlet together, realizes system strand (steel wire) entering die head and is the state of negative pressure. The pressure of air inlet is adjusted, the value of the negative pressure meter is controlled to be 0.05-0.5Mpa, and the binding force between the steel wire and the coating can be improved by about 20-30% on average.
Therefore the utility model relates to a car back seat skeleton is with package plastic steel wire production facility has to carry out thermal treatment, immersion fluid, weather, plastic-coated to the steel wire surface, guarantees that the steel wire surface has the bond line of ideal thickness, avoids other impurity to adhere to on the steel wire surface simultaneously, guarantees product quality's advantage.
Drawings
Fig. 1 is the utility model relates to a car back seat skeleton is with production facility structure sketch map for steel wire is moulded to package.
Fig. 2 is a schematic structural view of the air blowing device.
Fig. 3 is a cross-sectional view of fig. 2.
Fig. 4 is a schematic view of a base.
Fig. 5 is a cross-sectional view of the die case.
Fig. 6 is a schematic view of a cover plate.
Fig. 7 is a schematic view of a negative pressure device.
Wherein:
Die sleeve 2, die sleeve bolt holes 201, conical holes 202, air inlet holes 203, air ventilation ring grooves 204 and sealing grooves 205
The vacuum forming device comprises a negative pressure device 4, a die head 401, a cover plate 402, a fixed seat 403, a wire inlet pipe 404, a vent pipe 405, a vacuum pumping pipe 406, an air inlet 406.1, a pumping hole 406.2, a pressure gauge 407 and a flange 408.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in figures 1-7, a production device for plastic-coated steel wires for automobile back seat frames comprises a heat treatment device 801, a liquid immersion device 802, a blow-drying device 803 and an extrusion molding device 804 from front to back in sequence,
the blow-drying device 803 comprises a base 1, the base 1 is of a rectangular plate structure, a die sleeve 2 is arranged on the base 1, the die sleeve 2 comprises an upper die sleeve and a lower die sleeve which are connected up and down, and a cover plate 3 is arranged on the left side of the die sleeve 2;
the base 1 is provided with four base bolt holes 101 arranged in an array, and the base 1 is also provided with two kidney-shaped fixing grooves 102 for fixing the base 1 on a machine table;
the upper die sleeve and the lower die sleeve are respectively provided with four die sleeve bolt holes 201 which are communicated up and down, the four die sleeve bolt holes 201 are arranged in an array mode, the positions of the four die sleeve bolt holes 201 correspond to the positions of the four base bolt holes 101, one surfaces of the upper die sleeve and the lower die sleeve, which are buckled with each other, are provided with conical holes 202, the center of the top of the upper die sleeve is downwards provided with a vertical air inlet hole 203, the joint of the lower end of the air inlet hole 203 and the conical holes 202 is provided with a circle of air through ring grooves 204, the die sleeve 2 is connected with the base 1 through four vertically arranged bolts, and the four bolts respectively penetrate through the positions of the four die sleeve bolt holes 201 and the four base bolt holes 101; the left end face of the die sleeve 2 is provided with a seal groove 205, and the seal groove 205 is located at the outer ring of the left end of the conical hole 202.
The cover plate 3 comprises a circular cover plate main body 301 and a taper sleeve 302, the left end of the taper sleeve 302 is connected with the right side face of the cover plate main body 301, the shape of the taper sleeve 302 is adapted to the shape of the taper hole 202, the outer diameter and the length of the taper sleeve 302 are slightly smaller than the inner diameter and the length of the taper hole 202, a gap is reserved between the taper sleeve 302 and the taper hole 202, the gap forms an air blowing channel, four transverse cover plate bolt holes 303 are arranged on the cover plate main body 301, four cover plate bolts penetrate through the cover plate bolt holes 303 to fix the cover plate 3 on the left end face of the die sleeve 2, transverse wiring channels 304 are arranged at the centers of the cover plate main body 301 and the taper sleeve 302, and the inner diameter of the wiring channels 304 is consistent with the inner diameter of.
The working principle of the blow-drying device 803 is as follows:
during the use, with base 1, on the equipment of die sleeve 2 and apron 3 and the board, the steel wire gets into inside from the circular cone hole of the right-hand member of die sleeve 2, wear out from one side of apron behind the line passageway 304, at this in-process, inlet port 203 ventilates, the air current gets into to the air vent ring groove from the inlet port, the air vent ring groove has guaranteed the degree of consistency of follow-up blowing, the air current then gets into the passageway of blowing, because the passageway of blowing reduces gradually from its effective blowing area from a left side to the right side, make the air current of blowing can strengthen the steel wire of walking the line passageway 304 right-hand member and blow the stoving, the dynamics of blowing has been guaranteed. Because the conical hole 202 is a conical hole, redundant air blowing flows can be continuously blown out rightwards along the die, and the air blowing efficiency is improved.
The extrusion molding device 804 comprises an extruder body, a negative pressure device 4 is arranged at an inlet end of the extruder body, the negative pressure device 4 comprises a die head 401, a cover plate 402 is arranged at the front end of the die head 4, a fixing seat 403 is arranged on the front face of the cover plate 402, a flange 408 is hinged to the fixing seat 403, a front end face of the flange 408 is connected with a wire inlet pipe 404, a vent pipe 405 is connected to the bottom of the wire inlet pipe 404, a vacuum pipe 406 is connected to the lower end of the vent pipe 405, the middle of the vacuum pipe 406 is connected with the vent pipe 405, a pressure gauge 407 is arranged at the top of the wire inlet pipe 404, the pressure gauge 407 is connected with the inside of the wire inlet pipe 404, and the vacuum pipe.
The working principle of the negative pressure device 4 is as follows:
when the steel wire passes through inlet tube 404 and gets into die head 401, the evacuation pipe begins the evacuation, utilizes vacuum generator's principle, lets in the compressed air of certain pressure when the air inlet, and control gas flows along the end of giving vent to anger, and like this, twist with fingers system strand (steel wire) inlet wire end will produce the negative pressure to the air that drives twist with fingers system strand inlet wire position is discharged from the gas outlet together, realizes twisting with fingers system strand (steel wire) entering die head and is the state of negative pressure.
The pressure of air inlet is adjusted, the value of the negative pressure meter is controlled to be 0.05-0.5Mpa, and the binding force between the steel wire and the coating can be improved by about 20-30% on average.
The whole production device for the plastic-coated steel wire for the automobile back seat framework comprises the following steps:
1. and the heat treatment process is adopted, so that the strength, the linearity and the like of the framework steel wire can meet the use requirements. In specific implementation, the cold-drawn steel wire is subjected to heating-quenching-tempering treatment, a high-temperature rapid cooling process is adopted, the steel wire is heated to 890-920 ℃, then oil quenching is immediately carried out, the steel wire is cooled, and then the tempering treatment of 440-460 ℃ is carried out, so that a tempered martensite structure with good consistency and good linearity of the whole steel wire is obtained, and the requirements of the performance of the framework steel wire are met. During production, the surface of the steel wire is required to be free of oil stains and dust in order to meet the requirement of subsequent plastic coating.
2. Meanwhile, in order to ensure the service life of the steel wire, on the basis of heat treatment, the polypropylene material is adopted as the coating, and the coating is coated on the surface of the steel wire, so that the effect of the steel wire matrix is ensured, and on the other hand, because the coating has certain binding force with the steel wire matrix, the winding of other steel wires which can be tightly wound on the main steel wire when a user weaves the seat net is also improved, and the sliding phenomenon can not occur. In order to improve the binding force between the plastic-coated steel wire coating material and the matrix, the steel wire after heat treatment is firstly passed through the liquid with high binding property for 3-6 seconds before plastic coating.
3. Then, the surface of the steel wire is immediately dried at the temperature of 120-150 ℃, and the thickness of the bonding layer is controlled to be 6-10g/m2。
4. And finally, directly feeding the mixture into a plastic extruding machine to carry out normal plastic coating production. Due to the action of the bonding layer, on one hand, the surface of the framework steel wire subjected to heat treatment has the effects of corrosion resistance and rust resistance, and on the other hand, due to the action of the bonding layer, the plastic-coated layer can be better combined with the steel wire substrate, so that the pull-off force of the coating is improved. When in plastic coating, in order to ensure the quality of the coating, negative pressure plastic coating is adopted, and the binding force between the coating and the substrate is fully improved. The specific parameters are as follows: the extruder was divided into 5 sections at temperatures of 210, 220, 230, 240, 250 ℃ and a negative pressure of 0.3 mpa.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (4)
1. A production device for plastic-coated steel wires for automobile back seat frameworks is characterized by sequentially comprising a heat treatment device, a liquid immersion device, a blow-drying device and an extrusion molding device from front to back,
the blow-drying device comprises a base (1), the base (1) is of a rectangular plate structure, a die sleeve (2) is arranged on the base (1), the die sleeve (2) comprises an upper die sleeve and a lower die sleeve which are connected up and down, and a cover plate (3) is arranged on the left side of the die sleeve (2);
one side of the upper die sleeve and one side of the lower die sleeve, which are buckled with each other, are provided with a conical hole (202), the left end opening of the conical hole is large, the right end opening of the conical hole is small, the center of the top of the upper die sleeve is downwards provided with a vertical air inlet hole (203), the joint of the lower end of the air inlet hole (203) and the conical hole (202) is provided with a circle of air ventilation ring grooves (204), the die sleeve (2) is connected with the base (1) through four vertically arranged bolts, the left end surface of the die sleeve (2) is provided with a sealing groove (205), and the sealing groove (205) is positioned on the outer ring of the,
the cover plate (3) comprises a circular cover plate main body (301) and a taper sleeve (302), the left end of the taper sleeve (302) is connected with the right side face of the cover plate main body (301), the shape of the taper sleeve (302) is matched with the shape of the taper hole (202), the outer diameter and the length of the taper sleeve (302) are smaller than the inner diameter and the length of the taper hole (202), a gap is reserved between the taper sleeve (302) and the taper hole (202), an air blowing channel is formed by the gap, the taper sleeve (302) is located in the taper hole (202), a transverse routing channel (304) is arranged at the centers of the cover plate main body (301) and the taper sleeve (302), and the inner diameter of the routing channel (304) is consistent with the inner diameter of the right end of the taper hole (202);
the extrusion molding device includes the extruding machine organism, and the entry end of extruding machine organism is provided with negative pressure device, the front end that negative pressure device includes die head, die head is provided with the apron, and the front of apron is provided with a fixing base, and the articulated flange that is provided with on the fixing base, the preceding terminal surface of flange are connected with the inlet wire pipe, and the bottom of inlet wire pipe is connected with a breather pipe, and the lower extreme of breather pipe is connected with a vacuum tube, and vacuum tube's middle part and breather pipe are connected, and the top of inlet wire pipe is provided.
2. The production device for the plastic-coated steel wire for the automobile back seat framework is characterized in that four base bolt holes (101) are arranged on the base (1) in an array mode, four die sleeve bolt holes (201) which are communicated up and down are formed in the upper die sleeve and the lower die sleeve respectively, the four die sleeve bolt holes (201) are arranged in an array mode, the positions of the four die sleeve bolt holes (201) correspond to the positions of the four base bolt holes (101), and the four bolts respectively penetrate through the positions of the four die sleeve bolt holes (201) and the four base bolt holes (101) and are locked through nuts.
3. The production device for the plastic-coated steel wire for the automobile back seat framework as claimed in claim 1, wherein the cover plate main body (301) is provided with four transverse cover plate bolt holes (303), and four cover plate bolts penetrate through the cover plate bolt holes (303) to fix the cover plate (3) on the left end surface of the die sleeve (2).
4. The production device for the plastic-coated steel wire for the automobile back seat framework as claimed in claim 1, wherein the base (1) is further provided with two kidney-round fixing grooves (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648846.0U CN211138038U (en) | 2019-09-29 | 2019-09-29 | Production device for plastic-coated steel wire for automobile back seat framework |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921648846.0U CN211138038U (en) | 2019-09-29 | 2019-09-29 | Production device for plastic-coated steel wire for automobile back seat framework |
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| CN211138038U true CN211138038U (en) | 2020-07-31 |
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| CN201921648846.0U Active CN211138038U (en) | 2019-09-29 | 2019-09-29 | Production device for plastic-coated steel wire for automobile back seat framework |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211015A (en) * | 2020-09-30 | 2021-01-12 | 江阴泰阳成索业有限公司 | Rotary forging and drawing die for high-efficiency production of surface-contact steel wire rope |
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2019
- 2019-09-29 CN CN201921648846.0U patent/CN211138038U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211015A (en) * | 2020-09-30 | 2021-01-12 | 江阴泰阳成索业有限公司 | Rotary forging and drawing die for high-efficiency production of surface-contact steel wire rope |
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