CN109920605B - Conductive strip production line - Google Patents
Conductive strip production line Download PDFInfo
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- CN109920605B CN109920605B CN201910252115.2A CN201910252115A CN109920605B CN 109920605 B CN109920605 B CN 109920605B CN 201910252115 A CN201910252115 A CN 201910252115A CN 109920605 B CN109920605 B CN 109920605B
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- straightening
- tape
- conductive core
- belt
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000011810 insulating material Substances 0.000 claims abstract description 45
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000011068 loading method Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000005253 cladding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of cable wire processing, in particular to a conductive tape production line which comprises a tape releasing mechanism, a straightening mechanism, a preheating mechanism, an extruding mechanism, a cooling mechanism, a detecting mechanism and a tape collecting mechanism which are sequentially arranged, wherein the tape releasing mechanism is used for loading and releasing a conductive core tape, the straightening mechanism is used for straightening the conductive core tape from the tape releasing mechanism, the preheating mechanism is used for heating the straightened conductive core tape, the extruding mechanism is used for melting insulating materials and extruding and coating the melted insulating materials on the heated conductive core tape, the cooling mechanism is used for cooling the conductive core tape coated with the insulating materials, the detecting mechanism is used for detecting the performance of the formed conductive tape, and the tape collecting mechanism is used for collecting the conductive tape detected by the detecting mechanism. The concentricity of the conductive core belt and the insulating layer can be improved; the adhesive force between the insulating material and the conductive core belt is improved, and the insulating material is prevented from falling off; further improving the rate and quality of producing the conductive tape.
Description
Technical Field
The invention relates to the technical field of cable wire processing, in particular to a conductive strip production line.
Background
The conductive belt is easy to bend and has excellent electrical property, so that the conductive belt is widely applied to power connection and control signal illumination of various mobile power devices in the industries of lifting, transportation, machinery, electricity, mines, and the like. The conductive belt comprises a conductive core belt for conducting electricity and an insulating layer coated outside the conductive core belt, and the conductive belt is produced at present by mainly adopting an injection molding machine to extrude and coat insulating materials in a molten state onto the conductive core belt, but the production and processing mode has the following defects: firstly, the thickness of the insulating material coated on the conductive core belt is different under the influence of the extrusion speed of the injection molding machine and the different speed of the conductive core belt, so that the insulating performance, the flexibility and other service performances of the conductive belt are influenced; secondly, the adhesion between the insulating material and the conductive core belt is not high under the influence of the properties of the conductive core belt and the insulating material and the processing technology, and the phenomenon that an insulating layer is easy to fall off is caused for a long time; thirdly, the processing procedure is complicated, the continuity is poor, and the production efficiency is low.
Disclosure of Invention
The invention provides a conductive strip production line which can improve concentricity of a conductive core strip and an insulating layer; the adhesive force between the insulating material and the conductive core belt is improved, and the insulating material is prevented from falling off; further increasing the rate of production of the conductive tape.
In order to solve the technical problems, the invention adopts the following technical scheme:
The utility model provides a conductive tape production line, its includes the mechanism of putting that sets gradually, the mechanism of straightening, preheats mechanism, gives out pressure mechanism and cooling body, the mechanism of putting is used for loading and releasing conductive core area, the mechanism of straightening is used for straightening the conductive core area that the mechanism of putting released, the mechanism of preheating is used for heating the conductive core area after the straightening, give out pressure the mechanism and be used for melting insulating material and give out pressure and cladding the insulating material of melting on the conductive core area after heating, cooling body is used for cooling the conductive core area that the cladding has insulating material.
Further, the unreeling mechanism comprises a unreeling base, an unreeling support arranged on the unreeling base in a sliding manner, an unreeling main shaft arranged on the unreeling support in a rotating manner, and a first driving piece for driving the unreeling main shaft to rotate; the device is characterized in that a tensioner for controlling the tension of the unwinding belt is arranged on the unwinding belt support, the tensioner is in transmission connection with the unwinding main shaft, and an expansion assembly for installing a conductive core belt roll is further arranged on the unwinding main shaft.
Further, the unreeling main shaft slides and is provided with fixed cover, expansion assembly is including circumference setting up in fixed cover outside and being used for installing a plurality of supporting parts of electrically conductive core coil of strip, supporting part is including articulated into quadrilateral first connecting rod, second connecting rod, third connecting rod and fourth connecting rod in proper order from beginning to end, first connecting rod is fixed in the fixed cover outside.
Further, the straightening mechanism comprises a straightening base, a plurality of lower straightening groups and a plurality of upper straightening groups, wherein the lower straightening groups are arranged on the straightening base and are arranged in a straight line, the lower straightening groups are arranged in a staggered mode, each lower straightening group comprises a lower straightening frame and a lower straightening roller, the lower straightening rollers are arranged on the lower straightening frame in a rotating mode and used for propping against the lower side face of the conductive core belt, and each upper straightening group comprises an upper straightening frame and an upper straightening roller which is arranged on the upper straightening frame in a rotating mode and used for propping against the upper side face of the conductive core belt.
Further, the preheating mechanism is an electromagnetic eddy current heating box, the electromagnetic eddy current heating box is provided with a heating channel for a conductive core belt to pass through in a penetrating way, and a temperature controller for detecting the temperature of the conductive core belt to adjust the heating temperature of the electromagnetic eddy current heating box is further arranged on the electromagnetic eddy current heating box.
Further, the extrusion mechanism comprises an extrusion base and a screw cylinder arranged on the extrusion base, a screw is rotatably supported in the screw cylinder, one end of the screw protrudes out of the screw cylinder and is in transmission connection with a driving component for driving the screw to rotate, one end of the screw cylinder, far away from the driving component, is detachably connected with an extrusion machine head for forming a conductive belt, the screw cylinder is provided with a feeding device for conveying insulating material particles to the screw cylinder, a cast aluminum electric heater is further arranged outside the screw cylinder, and a cooling fan for radiating the cast aluminum electric heater is arranged on the extrusion base.
Further, the extrusion machine head comprises a machine head body provided with an inner cavity, a machine head core, an inner mold, an outer mold and a machine head flange connected with a screw cylinder, wherein the machine head core is arranged in the inner cavity of the machine head body, the inner cavity is a conical cavity, and the conical direction is matched with the discharging direction; the inner die is fixedly arranged at one end of the machine head core, the inner die and the outer die are coaxially butted, the outer die is fixedly provided with a die sleeve, and the die sleeve is connected with the discharge end of the machine head body.
Further, the cooling mechanism comprises a hot water tank arranged on one side of the extruder head and a cold water tank arranged on one side of the hot water tank away from the extruder head.
Further, the conductive belt production line also comprises a detection mechanism for detecting the performance of the formed conductive belt, wherein the detection mechanism comprises a diameter measuring instrument for measuring the size of the conductive belt, a power frequency spark machine for detecting the voltage withstand capability of the insulating layer of the conductive belt and a caterpillar meter for measuring the length of the conductive belt.
Further, the conductive belt production line also comprises a traction mechanism for traction of the conductive belt movement and a belt winding mechanism for winding the conductive belt with detection performance, and the traction mechanism and the belt winding mechanism are respectively positioned at two sides of the detection mechanism.
The invention has the beneficial effects that:
Firstly, a conductive strip production line is sequentially provided with a strip placing mechanism, a straightening mechanism, a preheating mechanism, an extrusion mechanism and a cooling mechanism, when the conductive strip production line specifically works, a conductive core strip roll is installed on the strip placing mechanism, the straightening mechanism can straighten the conductive core strip released by the strip placing mechanism, concentricity of the conductive core strip and an insulating layer can be improved, then the preheating mechanism heats the straightened conductive core strip, temperature difference between the conductive core strip and insulating materials in a molten state is reduced, adhesion between the insulating materials and the conductive core strip is favorably improved, then the extrusion mechanism extrudes the insulating materials in the molten state to be coated on the conductive core strip, finally the cooling mechanism cools and forms the conductive core strip coated with the insulating materials, and finally the production efficiency and quality of the conductive strip are improved;
Secondly, the belt releasing mechanism is provided with a tensioner and an expansion assembly, so that the belt releasing tension can be automatically adjusted;
Third, straightening mechanism includes the straightening base, sets up in the straightening base and be a plurality of alignment group and a plurality of alignment group that go up that the straight line set up, a plurality of alignment group and a plurality of go up alignment group crisscross setting down, and the concrete during operation, electrically conductive core area passes alignment group and last alignment group down each one by one, and the downside of electrically conductive core area is supported to the alignment roller down, and the upper alignment roller supports the upside of pressing electrically conductive core area, makes electrically conductive core area be the wave and passes through the straightening equipment, can make the electrically conductive core area alignment that has certain crooked radian smooth like this, does benefit to follow-up cladding insulating material on electrically conductive core area, improves the concentricity of cladding insulating material in electrically conductive core area.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a tape dispenser according to a first embodiment of the present invention;
FIG. 3 is a partial cross-sectional view of a tape dispenser according to a first embodiment of the invention;
FIG. 4 is an enlarged schematic view of FIG. 3 at A;
FIG. 5 is a schematic view of an expansion assembly according to a first embodiment of the present invention;
FIG. 6 is a schematic view of the whole structure of a straightening mechanism according to the first embodiment of the present invention;
Fig. 7 is a schematic structural diagram of a lower alignment group according to the first embodiment of the present invention;
fig. 8 is a schematic structural view of an upper alignment group according to a first embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a positioning assembly according to a first embodiment of the present invention;
FIG. 10 is a schematic view of an extrusion mechanism according to a first embodiment of the present invention;
FIG. 11 is a schematic structural diagram of a connection relationship among a driving assembly, a screw cylinder and an extruder head according to a first embodiment of the present invention;
FIG. 12 is an enlarged view at B in FIG. 11;
fig. 13 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals illustrate: 100. a tape releasing mechanism; 110. a belt base is put; 111. placing a belt sliding rail; 112. a screw rod; 113. adjusting a motor; 120. a belt support is put; 121. a tensioner; 130. unreeling the main shaft; 131. a fixed sleeve; 132. a positioning plate; 133. an inner baffle; 134. an outer baffle; 135. an inner reinforcing plate; 136. an outer reinforcing plate; 137. a mounting sleeve; 138. a connecting rod; 139. a limiting snap ring; 141. a first motor; 142. a first pulley; 143. a second pulley; 144. a transmission belt; 150. an expansion assembly; 151. a first link; 152. a second link; 153. a third link; 154. a fourth link; 155. a support plate; 160. an adjusting member; 161. a limit ring groove; 200. a straightening mechanism; 210. straightening the base; 220. a positioning assembly; 221. a positioning bracket; 2211. a vertical slide hole; 2212. a horizontal hole; 222. a vertical positioning roller; 223. a horizontal positioning roller; 224. a vertical rotating shaft; 225. a horizontal rotating shaft; 226. a first nut; 227. a second nut; 228. a guide roller; 230. a lower straightening group; 231. a lower straightening roller; 232. a lower straightening frame; 233. a lower straightening block; 234. a first guide rail; 235. a first adjustment column; 236. a first spring; 240. upper straightening groups; 241. a straightening roller is arranged on the upper part; 242. a straightening frame is arranged; 243. a straightening block is arranged on the upper part; 244. a second guide rail; 245. a second adjustment column; 246. a second spring; 247. a limit column; 250. a conduction band rack; 300. a preheating mechanism; 400. an extrusion mechanism; 410. extruding a base; 420. a screw cylinder; 421. a screw; 422. a honeycomb panel; 423. a cooling fan; 424. a cast aluminum electric heater; 430. a drive assembly; 431. a gearbox; 432. a driving motor; 440. an extruder head; 441. a machine head body; 442. a handpiece core; 443. an inner mold; 444. an outer mold; 445. a nose flange; 446. a die sleeve; 447. a head stay bar; 448. a rotating arm; 450. a nose clip; 460. a feeding device; 461. a suction device; 462. a dryer; 470. a PLC total control box; 500. a cooling mechanism; 510. a hot water tank; 520. a cold water tank; 600. a traction mechanism; 700. a detection mechanism; 710. a calliper; 720. a power frequency spark machine; 730. a caterpillar meter counter; 800. a tape collecting mechanism; 810. a rotating wheel.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention.
Embodiment one:
As shown in fig. 1, the present invention provides a conductive tape production line, which includes a tape discharging mechanism 100, a straightening mechanism 200, a preheating mechanism 300, an extruding mechanism 400 and a cooling mechanism 500, which are sequentially disposed, wherein the tape discharging mechanism 100 is used for loading and releasing a conductive core tape, the straightening mechanism 200 is used for straightening the conductive core tape released from the tape discharging mechanism 100, the preheating mechanism 300 is used for heating the straightened conductive core tape, the extruding mechanism 400 is used for melting an insulating material and extruding and coating the melted insulating material on the heated conductive core tape, and the cooling mechanism 500 is used for cooling the conductive core tape coated with the insulating material. During specific operation, the conductive core strip coil is installed on the strip placing mechanism 100, the straightening mechanism 200 can straighten the conductive core strip released by the strip placing mechanism 100, the conductive core strip released by the strip placing mechanism 100 is prevented from being bent just, the concentricity of the insulating layer and the conductive core strip is favorably improved, the preheating mechanism 300 is used for heating the straightened conductive core strip, the temperature difference between the conductive core strip and the insulating material in a molten state is reduced, the adhesion between the insulating material and the conductive core strip is favorably improved, the extrusion mechanism 400 is used for extruding and coating the insulating material in the molten state on the conductive core strip, and finally the cooling mechanism 500 is used for cooling and forming the conductive core strip coated with the insulating material, so that the conductive strip is finally formed. The conductive core belt is made of flat copper belts, and the insulating material is nylon.
As shown in fig. 2, the unwind mechanism 100 includes an unwind base 110, an unwind stand 120 slidably disposed on the unwind base 110, an unwind spindle 130 rotatably disposed on the unwind stand 120, and a first driving member for driving the unwind spindle 130 to rotate; the unwinding bracket 120 is provided with a tensioner 121 for controlling the unwinding tension, the tensioner 121 is in transmission connection with the unwinding spindle 130, the unwinding spindle 130 is provided with a fixing sleeve 131 (see fig. 4), the fixing sleeve 131 is provided with an expansion assembly 150 for installing the conductive core coil, and the unwinding spindle 130 is further provided with an adjusting member 160 (see fig. 4) for adjusting the expansion assembly 150 to expand outwards to tighten the conductive core coil and shrink inwards to release the conductive core coil. During specific operation, the conductive core strip coil is sleeved on the expansion assembly 150, and then the adjusting piece 160 on the unreeling main shaft 130 is adjusted, so that the expansion assembly 150 expands and tightens the inner wall of the conductive core strip coil, and the conductive core strip coil is prevented from sliding or rotating relatively on the unreeling main shaft 130 during unreeling; meanwhile, the tensioner 121 can automatically adjust the rotating speed of the unreeling spindle 130 during unreeling, so as to adjust the tension of unreeling. The invention can simply and accurately adjust the unwinding tension of the conductive core coil by expanding the conductive core coil through the expansion assembly 150 and then adjusting the unwinding tension of the conductive core coil through the tensioner 121, thereby facilitating the subsequent processing. Preferably, the tensioner 121 may be a magnetic powder tensioner.
As shown in fig. 2 and 3, two belt placing slide rails 111 are parallel to the belt placing base 110, the belt placing support 120 is slidably connected with the belt placing slide rails 111, the belt placing base 110 rotatably carries a screw rod 112 parallel to the belt placing slide rails 111, and the screw rod 112 is in threaded connection with the belt placing support 120. Specifically, the orientation of the unwinding slide rail 111 is perpendicular to the orientation of the unwinding spindle 130, and the bottom end of the unwinding bracket 120 is slidably connected with the unwinding slide rail 111, so that the position of the unwinding bracket 120 can be adjusted, and the unwinding position of the conductive core tape can be aligned with the subsequent processing equipment (the straightening mechanism 200, the preheating mechanism 300, etc.). In order to better adjust and fix the tape release bracket 120, the tape release base 110 rotates to carry the screw rod 112 which is parallel to the tape release slide rail 111, the screw rod 112 is in threaded connection with the tape release bracket 120, the tape release bracket 120 can move back and forth along the tape release slide rail 111 by rotating the screw rod 112, the position of the tape release bracket 120 is convenient to adjust, and meanwhile, the screw rod is in threaded connection with a self-locking function, so that the adjusted position of the tape release bracket 120 can be locked, and the tape release bracket 120 is prevented from sliding during tape release. The belt placing base 110 is further provided with an adjusting motor 113 for driving the screw rod 112 to rotate, and the adjusting motor 113 drives the screw rod 112 to rotate, so that the belt placing support 120 can be adjusted conveniently and rapidly.
As shown in fig. 3, the unreeling spindle 130 is rotatably disposed at the upper end of the unreeling support 120, a first driving member is fixedly disposed on the unreeling support 120, the first driving member is a first motor 141, a first belt wheel 142 is fixedly disposed at one end of the unreeling spindle 130, a second belt wheel 143 is disposed on an output shaft of the first motor 141, and a transmission belt 144 is sleeved between the first belt wheel 142 and the second belt wheel 143. By utilizing the transmission belt 144 for transmission, the first motor 141 can be prevented from being damaged when the unreeling main shaft 130 is blocked.
As shown in fig. 3 and fig. 4, a positioning disc 132 is fixed at one end of the unreeling spindle 130 far away from the first belt wheel 142, a baffle assembly for fixedly clamping the conductive core coil is provided on the positioning disc 132, the baffle assembly comprises an annular inner baffle 133 fixedly provided on the positioning disc 132 and an annular outer baffle 134 detachably provided on the positioning disc 132, the inner baffle 133 and the outer baffle 134 are both sleeved on the outer side of the expansion assembly 150, and a gap for accommodating the conductive core coil is provided between the inner baffle 133 and the outer baffle 134. An annular inner reinforcing plate 135 is fixed on the outer side of the positioning plate 132, and the inner baffle 133 is fixed on the inner reinforcing plate 135; the positioning plate 132 is provided with a plurality of installation sleeves 137 uniformly and fixedly in the circumferential direction on the inner side, threaded holes (not shown in the figure) are formed in the installation sleeves 137, an annular outer reinforcing plate 136 is arranged on one side of the outer baffle 134, a plurality of connecting rods 138 are uniformly arranged on the inner side of the outer reinforcing plate 136, and a plurality of connecting rods 138 are connected with the installation sleeves 137 in a one-to-one correspondence mode through bolts. Specifically, the positioning plate 132 is hollow and configured to accommodate the expansion assembly 150, an annular outer reinforcing plate 136 is fixed on the outer side of the outer baffle 134, the inner baffle 133 is fixed on the inner reinforcing plate 135, the diameter of the inner baffle 133 is larger than that of the inner reinforcing plate 135, and the inner reinforcing plate 135 can strengthen the strength of the inner baffle 133 and avoid bending of the inner baffle 133. Six mounting sleeves 137 are uniformly and fixedly arranged on the inner side of the positioning disc 132 in the circumferential direction, threaded holes are formed in the mounting sleeves 137, and one end, far away from the positioning disc 132, of each mounting sleeve 137 protrudes out of the inner baffle 133; one side of the outer baffle 134 is provided with an annular outer reinforcing plate 136, six connecting rods 138 are uniformly arranged on the outer reinforcing plate 136 in the circumferential direction, and the connecting rods 138 are connected with the mounting sleeve 137 through bolts. In particular operation, the coil of conductive core is mounted to the expansion assembly 150 with one end of the coil abutting the inner shield 133, then the outer shield 134 is sleeved onto the expansion assembly 150, and then the connecting rod 138 and the mounting sleeve 137 are bolted together with the coil of conductive core between the inner shield 133 and the outer shield 134. The outer baffle 134 is detachably connected to the positioning plate 132 to facilitate installation of the conductive core tape roll.
As shown in fig. 4 and 5, the fixing sleeve 131 is slidably disposed on the unreeling spindle 130, the expansion assembly 150 includes a plurality of supporting parts circumferentially disposed on the outer side of the fixing sleeve 131 and used for installing the conductive core coil, the supporting parts include a first connecting rod 151, a second connecting rod 152, a third connecting rod 153 and a fourth connecting rod 154 which are hinged in a quadrilateral manner from end to end in sequence, the first connecting rod 151 is fixed on the outer side of the fixing sleeve 131, and the fixing sleeve 131 is slid so that the third connecting rod 153 abuts against or releases the inner sides of the inner baffle 133 and the outer baffle 134. The supporting portion uses the characteristic of easy deformation of the parallelogram, and by moving the position of the first connecting rod 151, the second connecting rod 152 and the fourth connecting rod 154 further support the third connecting rod 153, so that the third connecting rod 153 can abut against the conductive core coil, and the conductive core coil and the unreeling spindle 130 are prevented from sliding relatively during unreeling.
Preferably, in order to make the laminating more closely when third connecting rod 153 and the roll of conductive core coil butt, one side that first connecting rod 151 was kept away from to third connecting rod 153 is equipped with the backup pad 155 that is used for the roll of conductive core coil, backup pad 155 is circular-arc, and one side that third connecting rod 153 was kept away from to backup pad 155 is equipped with the rubber layer, and the rubber layer has improved the frictional force of conductive core coil between backup pad 155, and the conductive core coil takes place relative slip with unreeling main shaft 130 when avoiding unreeling, and the rubber layer plays buffering, protection's effect moreover, avoids backup pad 155 and the inner wall of conductive core coil to take place hard impact collision. Specifically, the support plate 155 is further provided with a space through which the connection rod 138 passes.
As shown in fig. 4, for convenience in controlling the expansion assembly 150 to expand outwards and contract inwards, the adjusting member 160 is located at one end of the fixing sleeve 131 away from the positioning disc 132 and is in threaded connection with the unreeling spindle 130, a limiting ring groove 161 is circumferentially formed in the adjusting member 160, and a limiting snap ring 139 in clamping fit with the limiting ring groove 161 is arranged at one end of the fixing sleeve 131 away from the positioning disc 132. Specifically, the adjusting member 160 is rotated, and since the adjusting member 160 is in threaded connection with the unreeling spindle 130, the adjusting member 160 slides along the unreeling spindle 130 together with the fixing sleeve 131, and when the fixing sleeve 131 abuts against the positioning disc 132, the supporting plate 155 abuts against the inner baffle 133, and the adjusting member 160 is simple and convenient for adjusting the expansion assembly 150.
As shown in fig. 6, the straightening mechanism 200 includes a straightening base 210, the straightening base 210 is provided with two positioning components 220 for adjusting the position of the conductive core strip, the straightening base 210 is provided with a plurality of lower straightening groups 230 and a plurality of upper straightening groups 240 which are positioned between the two positioning components 220 and are arranged in a straight line, the lower straightening groups 230 and the upper straightening groups 240 are staggered, the lower straightening groups 230 rotate and bear lower straightening rollers 231 for pressing the lower side surface of the conductive core strip, and the upper straightening groups 240 rotate and bear upper straightening rollers 241 for pressing the upper side surface of the conductive core strip. During specific operation, under the location of the locating component 220, the conductive core strip passes through each lower alignment group 230 and the upper alignment group 240 one by one, the lower alignment roller 231 presses the lower side surface of the conductive core strip, the upper alignment roller 241 presses the upper side surface of the conductive core strip, so that the conductive core strip is in a wave shape, the conductive core strip with a certain bending radian can be aligned and leveled, the conductive core strip is coated with insulating materials later, and the concentricity of the conductive core strip coated with the insulating materials is improved.
As shown in fig. 7, the lower straightening unit 230 includes a lower straightening frame 232, two lower straightening blocks 233 are vertically slidably disposed on the lower straightening frame 232, and two ends of the lower straightening roller 231 are respectively rotatably connected with the two lower straightening blocks 233. Specifically, two sets of first guide rails 234 are vertically disposed on the lower straightening frame 232, a lower straightening block 233 is slidably disposed on each set of first guide rails 234, a bearing is embedded on each lower straightening block 233, and two ends of the lower straightening roller 231 are respectively sleeved on inner rings of the two bearings. The lower alignment block 233 may slide along the first guide rail 234, so that the conductive core tape may be conveniently first threaded under the lower alignment roller 231.
Preferably, in order to improve the shock resistance of the lower alignment roller 231 during operation, the lower alignment frame 232 is in threaded connection with a first adjusting column 235 above each lower alignment block 233, the first adjusting column 235 is sleeved with a first spring 236, one end of the first spring 236 is abutted to the lower alignment frame 232, and the other end of the first spring 236 is abutted to the lower alignment block 233. When the conductive core tape passes under the lower alignment roller 231, the first spring 236 may slow down the upward spring of the lower alignment block 233, and rotate the first adjusting column 235 to adjust the distance between the end of the first adjusting column 235 and the upper surface of the lower alignment block 233, thereby adjusting the shock resistance of the lower alignment block 233.
As shown in fig. 8, the upper straightening group 240 includes an upper straightening frame 242, two upper straightening blocks 243 are vertically slidably disposed on the upper straightening frame 242, and two ends of the upper straightening roller 241 are respectively and rotatably connected with the two upper straightening blocks 243; the upper straightening frame 242 is screwed with a second adjusting column 245 above each upper straightening block 243, one end of the second adjusting column 245 is rotatably connected with the upper straightening blocks 243, and the second adjusting column 245 is rotated, so that the second adjusting column 245 can move up and down along the upper straightening frame 242 to drive the upper straightening blocks 243 to slide up and down. Specifically, two groups of second guide rails 244 are vertically arranged on the upper straightening frame 242, an upper straightening block 243 is slidably arranged on each group of second guide rails 244, a bearing is embedded on each upper straightening block 243, and two ends of the upper straightening roller 241 are respectively sleeved on inner rings of the two bearings. The second adjusting column 245 is rotated, so that the upper straightening block 243 can move up and down along the second guide rail 244, and the height of the upper straightening roller 241 is adjusted, thereby adjusting the straightening amplitude of the straightening mechanism 200, and being helpful to straighten the bent conductive core strip.
Preferably, in order to improve the shock resistance of the upper straightening roller 241 during operation, the upper straightening frame 242 is provided with a limiting column 247 below each upper straightening block 243, a second spring 246 is sleeved on the limiting column 247, the top end of the second spring 246 abuts against the upper straightening block 243, and the bottom end of the second spring 246 abuts against the upper straightening frame 242. In particular operation, the second spring 246 may reduce the amplitude of vibration of the conductive core strap passing through the upper alignment roller 241, facilitating alignment of the conductive core strap.
As shown in fig. 9, the positioning assembly 220 includes a positioning bracket 221, two vertical positioning rollers 222 and two horizontal positioning rollers 223, the two vertical positioning rollers 222 and the two horizontal positioning rollers 223 are slidably disposed on the positioning bracket 221, and parallel projections of the two vertical positioning rollers 222 and the two horizontal positioning rollers 223 are in a cross shape. Specifically, the two vertical positioning rollers 222 and the two horizontal positioning rollers 223 are respectively and slidably arranged on the positioning support 221, so that conductive core belts with different widths and thicknesses can be adapted, the conductive core belts entering the lower alignment group 230 and the upper alignment group 240 can be positioned, and the conductive core belts are prevented from shifting in the alignment process, and the alignment effect of the conductive core belts is prevented from being influenced.
Preferably, the positioning bracket 221 is provided with two vertical rotating shafts 224 in a sliding manner, the two vertical positioning rollers 222 are respectively sleeved on the two vertical rotating shafts 224 and can rotate around the vertical rotating shafts 224, and the vertical rotating shafts 224 are also provided with a first fixing assembly (not labeled in the figure) for fixing the vertical rotating shafts 224 on the positioning bracket 221; the positioning bracket 221 is provided with two horizontal rotating shafts 225 in a horizontal sliding manner, the two horizontal positioning rollers 223 are respectively sleeved on the two horizontal rotating shafts 225 and can rotate around the horizontal rotating shafts 225, and the horizontal rotating shafts 225 are also provided with a second fixing assembly (not labeled in the figure) for fixing the horizontal rotating shafts 225 on the positioning bracket 221.
Preferably, the positioning bracket 221 is provided with a horizontal sliding hole 2212 for horizontally sliding the two vertical rotating shafts 224 and a vertical sliding hole 2211 for vertically sliding the two horizontal rotating shafts 225, the first fixing component comprises two first nuts 226 screwed on the vertical rotating shafts 224, the two first nuts 226 are respectively positioned at two open ends of the horizontal sliding hole 2212, the second fixing component comprises two second nuts 227 screwed on the horizontal rotating shafts 225, and the two second nuts 227 are respectively positioned at two open ends of the vertical sliding hole 2211.
Preferably, the positioning support 221 is further rotatably provided with two guide rollers 228, the guide rollers 228 are arranged in parallel with the vertical positioning roller 222, the guide rollers 228 are positioned on one side of the horizontal positioning roller 223 away from the vertical positioning roller 222, and the guide rollers 228 can further position the conductive core strips entering the lower straightening group 230 and the upper straightening group 240.
As shown in fig. 1, a tape guide 250 for guiding the conductive core tape is further provided between the tape dispenser 100 and the straightening base 210.
As shown in fig. 1, the preheating mechanism 300 is an electromagnetic eddy current heating box, a heating channel (not shown in the drawing) for passing through the conductive core belt is provided through the electromagnetic eddy current heating box, and a temperature controller for detecting the temperature of the conductive core belt to adjust the heating temperature of the electromagnetic eddy current heating box is further provided on the electromagnetic eddy current heating box. The electromagnetic vortex heating box is adopted, so that the heating temperature can be accurately controlled, and the heating device is safe and reliable.
As shown in fig. 10 and 11, the extruding mechanism 400 includes an extruding base 410 and a screw cylinder 420 disposed on the extruding base 410, a screw 421 is rotatably supported in the screw cylinder 420, one end of the screw 421 protrudes out of the screw cylinder 420 and is in transmission connection with a driving component 430 for driving the screw 421 to rotate, one end of the screw cylinder 420 away from the driving component 430 is detachably connected with an extruding machine head 440 for forming a conductive belt, the screw cylinder 420 is provided with a feeding device 460 for conveying insulating material particles to the screw cylinder 420, a cast aluminum electric heater 424 is further disposed in the screw cylinder 420, and a cooling fan 423 for cooling the cast aluminum electric heater 424 is disposed on the extruding base 410. Specifically, the feeding device 460 feeds the insulating pellets into the screw cylinder 420, the cast aluminum electric heater 424 heats the screw cylinder 420, and the screw 421 rotates to extrude the insulating material in a molten state toward the extruder head 440.
Preferably, referring to fig. 12, the extruder head 440 includes a head body 441 having an inner cavity, a head core 442, an inner mold 443, an outer mold 444, and a head flange 445 connected to the screw cylinder 420, wherein the head core 442 is mounted in the inner cavity (not labeled in the figure) of the head body 441, and the inner cavity is a conical cavity, and the conical direction matches the discharging direction; the inner die 443 is fixedly mounted at one end of the core 442, the inner die 443 is coaxially abutted with the outer die 444, the outer die 444 is fixedly provided with a die sleeve 446, and the die sleeve 446 is connected to the discharge end of the core 441. Specifically, the core 442 is mounted in the inner cavity of the body 441, and a gap is left between the core 442 and the inner cavity of the body 441 to form a flow channel of the insulating material in a molten state. The inner cavity of the machine head body 441 is a conical cavity, the conical direction is matched with the discharging direction, so that when the pressurized insulating material in a molten state flows through the inner cavity of the machine head body 441, the insulating material in the molten state around is gradually gathered towards the central axis, the pressure is properly increased, the density is also increased, and the liquid raw materials around the inner cavity are uniformly distributed. The existence of taper can also improve the fluidity of the raw materials, so that the production is smoother. The inner mold 443 is fixedly installed at one end of the core 442, the inner mold 443 has a middle through hole for the conductive core tape to pass through, the inner mold 443 is coaxially abutted with the outer mold 444, the inner end of the outer mold 444 has a bell mouth abutted with the inner mold 443, the conductive core tape is just wrapped by the insulating material in a molten state when passing through the bell mouth, and then the conductive core tape is extruded and molded by an extrusion hole of the outer mold 444 together to obtain the conductive tape. The external mold 444 is fixed on a mold sleeve 446, the mold sleeve 446 is connected to the discharge end of the machine head body 441, and the mold sleeve 446 and the machine head body 441 are adjustably mounted, for example, by adopting an adjusting screw fixing mode, so that the accurate butt joint of the mold sleeve 446 and the machine head body 441 is achieved, gaps are reduced, the smooth internal flow of raw materials is ensured, the uniform internal space distribution of the raw materials is also effectively ensured, the liquid raw materials surrounding the outer periphery of the conductive core are uniformly distributed, and the influence of pressure difference on density is avoided. In this embodiment, the interface size of the inner cavity of the die sleeve 446 is identical to the outlet size of the inner cavity of the machine body 441, and the inner cavity of the die sleeve 446 is also tapered and has a taper greater than that of the inner cavity of the machine body 441.
As shown in fig. 10, the extruding base 410 is preferably provided with a nose clip 450 for fixing the nose flange 445 to the screw cylinder 420, where the nose clip 450 may be a nose clip disclosed in a teflon extruder with application number 201310104312.2, and will not be described herein. In order to fix the extruder head 440 more firmly, the head flange 445 is provided with a head stay 447, the extruder base 410 is vertically hinged with a rotating arm 448, the rotating arm 448 can only rotate along the horizontal direction, and one end of the rotating arm 448 far away from the extruder base 410 is rotatably connected with the head stay 447.
As shown in fig. 11, the driving assembly 430 includes a gear box 431 in driving connection with the screw 421, and a driving motor 432 in driving connection with the gear box 431. The gearbox 431 may control the extrusion speed.
As shown in fig. 12, the screw cylinder 420 is provided with a honeycomb plate 422 for filtering solid insulating particles at one end near the extruder head 440. The honeycomb panel 422 may ensure that the insulation in the molten state enters the extruder head 440.
As shown in fig. 10, the feeding device 460 includes a suction device 461 for sucking the insulating particles and a dryer 462 for drying the insulating particles. The feeding device 460 can complete automatic feeding and drying of the solid insulating particles, ensure that the insulating particles have no residual moisture, and avoid air bubbles in the insulating layer of the conductive belt.
Preferably, for convenience of handling, the extrusion base 410 is further provided with a PLC total control box 470 (refer to fig. 1).
As shown in fig. 1, the cooling mechanism 500 includes a hot water tank 510 provided at one side of the extruder head 440 and a cold water tank 520 provided at one side of the hot water tank 510 away from the extruder head 440. Specifically, a hot water circulation system (not shown) is installed in the hot water tank 510, the water temperature is about 70 ℃ to 80 ℃, the conducting belt is primarily cooled and shaped, the insulating layer of the conducting belt is prevented from cracking due to too fast cooling, and a dryer is further installed at the outlet end of the hot water tank 510; the cold water tank 520 is normal temperature water, is equipped with water circulation system (not shown in the figure) in the cold water tank 520, can carry out abundant cooling and design to the conducting strip, and the exit end of cold water tank 520 also is equipped with the weather and is used for weather the moisture on conducting strip surface simultaneously.
Embodiment two:
As shown in fig. 13, the first embodiment is different from the first embodiment in that: the conductive tape production line further comprises a traction mechanism 600 for driving the conductive tape to move, a detection mechanism 700 for detecting the characteristics of the conductive tape, and a tape winding mechanism 800 for winding and forming the conductive tape, which are sequentially arranged on one side of the cooling mechanism 500 away from the extrusion mechanism 400.
Preferably, the traction mechanism 600 may be a crawler as disclosed in application number 201620553342.0, which is not described in detail herein.
Preferably, the detection mechanism 700 includes a calliper 710 for measuring the dimensions of the conductive strip, a commercial frequency spark machine 720 for detecting the withstand voltage capability of the insulating layer of the conductive strip, and a caterpillar meter 730 for measuring the length of the conductive strip. In particular, the calliper 710 may detect the thickness and width of the conductive strip. The detection mechanism 700 may improve the quality of the produced conductive tape.
Preferably, the structure of the tape winding mechanism 800 is the same as that of the tape unwinding mechanism 100, and no further description is given here.
Preferably, in order to avoid bending the conductive tape greatly between the detecting mechanism 700 and the tape collecting mechanism 800, which causes deformation of the conductive tape, a pulley 810 for guiding is further provided between the detecting mechanism 700 and the tape collecting mechanism 800.
The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.
Working principle:
First, a coil of conductive core is mounted to the payout mechanism 100; secondly, the straightening mechanism 200 can straighten the conductive core tape released by the tape releasing mechanism 100, so that the concentricity of the conductive core tape and the insulating layer can be improved; thirdly, the preheating mechanism 300 heats the straightened conductive core ribbon, reduces the temperature difference between the conductive core ribbon and the insulating material in a molten state, and is beneficial to improving the adhesion between the insulating material and the conductive core ribbon; fourth, the extrusion mechanism 400 extrudes and wraps the insulating material in a molten state on the conductive core tape; fifthly, the cooling mechanism 500 cools and forms the conductive core strip coated with the insulating material; sixth, traction mechanism 600 drives the conductive strip toward detection mechanism 700; seventh, the detecting mechanism 700 detects the quality of the formed conductive tape; eighth, the tape winding mechanism 800 winds the detected conductive tape.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present invention, and in addition, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.
Claims (8)
1. The utility model provides a conductive strip production line which characterized in that: the device comprises a tape releasing mechanism, a straightening mechanism, a preheating mechanism, an extruding mechanism and a cooling mechanism which are sequentially arranged, wherein the tape releasing mechanism is used for loading and releasing a conductive core tape, the straightening mechanism is used for straightening the conductive core tape released by the tape releasing mechanism, the preheating mechanism is used for heating the straightened conductive core tape, the extruding mechanism is used for melting insulating materials and extruding and coating the melted insulating materials on the heated conductive core tape, and the cooling mechanism is used for cooling the conductive core tape coated with the insulating materials; the unreeling mechanism comprises a unreeling base, an unreeling support arranged on the unreeling base in a sliding manner, an unreeling main shaft arranged on the unreeling support in a rotating manner, and a first driving piece for driving the unreeling main shaft to rotate; the unwinding support is provided with a tensioner for controlling the unwinding tension, the tensioner is in transmission connection with the unwinding spindle, and the unwinding spindle is also provided with an expansion assembly for installing a conductive core tape roll; the unreeling main shaft slides and is provided with fixed cover, expansion assembly is including circumference setting up in fixed cover outside and being used for installing a plurality of supporting parts of electrically conductive core coil of strip, supporting part is including articulated into quadrilateral first connecting rod, second connecting rod, third connecting rod and fourth connecting rod in proper order from beginning to end, first connecting rod is fixed in the fixed cover outside.
2. A conductive strip line according to claim 1, characterized in that: the straightening mechanism comprises a straightening base, a plurality of lower straightening groups and a plurality of upper straightening groups, wherein the lower straightening groups are arranged on the straightening base and are arranged in a straight line, the lower straightening groups are arranged in a staggered mode, each lower straightening group comprises a lower straightening frame and a lower straightening roller, the lower straightening rollers are arranged on the lower straightening frame in a rotating mode and used for propping against the lower side face of the conductive core belt, and each upper straightening group comprises an upper straightening frame and an upper straightening roller which is arranged on the upper straightening frame in a rotating mode and used for propping against the upper side face of the conductive core belt.
3. A conductive strip line according to claim 1, characterized in that: the preheating mechanism is an electromagnetic eddy current heating box, the electromagnetic eddy current heating box is provided with a heating channel for a conductive core belt to pass through in a penetrating way, and a temperature controller for detecting the temperature of the conductive core belt to adjust the heating temperature of the electromagnetic eddy current heating box is further arranged on the electromagnetic eddy current heating box.
4. A conductive strip line according to claim 1, characterized in that: the extrusion mechanism comprises an extrusion base and a screw cylinder arranged on the extrusion base, wherein a screw is rotatably supported in the screw cylinder, one end of the screw protrudes out of the screw cylinder and is in transmission connection with a driving assembly for driving the screw to rotate, one end of the screw cylinder, far away from the driving assembly, is detachably connected with an extrusion machine head for forming a conductive belt, the screw cylinder is provided with a feeding device for conveying insulating material particles to the screw cylinder, a cast aluminum electric heater is further arranged outside the screw cylinder, and a cooling fan for radiating the cast aluminum electric heater is arranged on the extrusion base.
5. A conductive strip line as in claim 4 wherein: the extrusion machine head comprises a machine head body provided with an inner cavity, a machine head core, an inner mold, an outer mold and a machine head flange connected with a screw cylinder, wherein the machine head core is arranged in the inner cavity of the machine head body, the inner cavity is a conical cavity, and the conical direction is matched with the discharging direction; the inner die is fixedly arranged at one end of the machine head core, the inner die and the outer die are coaxially butted, the outer die is fixedly provided with a die sleeve, and the die sleeve is connected with the discharge end of the machine head body.
6. A conductive strip line according to claim 1, characterized in that: the cooling mechanism comprises a hot water tank arranged on one side of the extruder head and a cold water tank arranged on one side of the hot water tank away from the extruder head.
7. A conductive strip line according to claim 1, characterized in that: the conductive belt production line further comprises a detection mechanism for detecting the performance of the formed conductive belt, wherein the detection mechanism comprises a diameter measuring instrument for measuring the size of the conductive belt, a power frequency spark machine for detecting the voltage withstand capacity of the insulating layer of the conductive belt and a caterpillar meter for measuring the length of the conductive belt.
8. A conductive strip line as in claim 7 wherein: the conductive belt production line further comprises a traction mechanism for traction of the conductive belt to move and a belt winding mechanism for winding the conductive belt with detection performance, wherein the traction mechanism and the belt winding mechanism are respectively positioned on two sides of the detection mechanism.
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| CN114643687B (en) * | 2022-02-22 | 2024-04-30 | 江苏兆丰智能装备制造有限公司 | Automatic production line of conductive belt and manufacturing method of conductive belt |
| CN115020041B (en) * | 2022-06-28 | 2024-08-27 | 广东阿尔派新材料股份有限公司 | Insulating layer fusion forming equipment of crosslinked cable |
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