CN217655708U - Extrusion device is used in production of mineral substance fireproof cable - Google Patents

Abstract

The utility model belongs to the technical field of cable production equipment, in particular to an extrusion device for mineral fireproof cable production, which comprises an extruder, wherein the extruder comprises a stirring component and an extrusion component; the stirring assembly sequentially comprises a feed hopper, a stirring box and a feeding pipe from top to bottom, the feed end of the extruder is provided with a traction device, and the discharge end of the extruder is provided with a wrapping assembly. The utility model can complete a series of operations such as mixing, plasticizing and forming of the mineral fire-proof mud in the same equipment, thereby carrying out continuous production, improving the uniformity and roundness of the mineral fire-proof mud wrapped by the cable core, and ensuring the cable quality; can in time carry out around the package operation after having wrapped up the fire-proof mud of mineral substance, avoid mineral substance mud on the cable core flagging and influence the homogeneity of its parcel under the action of gravity, the device is whole to collect mixes, extrude, around the package as an organic whole, can mix simultaneously on a production line, extrude, around the package operation, around the package number of piles and angularly adjustable.

Description

Extrusion device is used in production of mineral substance fireproof cable

Technical Field

The utility model relates to a cable manufacture equipment technical field especially relates to extrusion device is used in production of mineral substance fireproof cable.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wires, and after the wires are twisted, the twisted cable core needs to be covered with a layer of mineral fire-proof mud to protect the cable core. Raw materials and water of the mineral fire-proof mud in the prior art are firstly stirred into qualified mineral fire-proof mud in a stirrer, then the mineral fire-proof mud is conveyed to an extruder, the cable core is wrapped in the extruder, the production line is long, the production line needs to be transported, manpower, material resources and time cost are needed in the transferring process, continuous production cannot be achieved, the production efficiency is influenced, meanwhile, the mineral fire-proof mud raw materials cannot be fully stirred and mixed, the extruder cannot wrap the cable core uniformly in the using process, the material is flexible and non-uniform, the roundness is poor, and the like, and the quality of the cable is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects and provide an extrusion device for mineral fireproof cable production, which comprises an extruder, wherein the extruder comprises a stirring component and an extrusion component; the stirring assembly sequentially comprises a feeding hopper, a stirring box and a feeding pipe from top to bottom, wherein a feeding hole is formed in the feeding hopper, a discharging hole of the feeding hopper is communicated with the stirring box, a discharging hole of the stirring box is communicated with the feeding pipe, a liquid inlet is formed in the stirring box, a vertical stirring rod is arranged in the stirring box, the upper end of the stirring rod penetrates through the feeding hopper and then is connected with a stepping motor, the lower end of the stirring rod extends to the discharging hole of the stirring box, a first spiral stirring paddle is fixed on the stirring rod in the feeding hopper, a first stirring paddle is fixed on the stirring rod in the stirring box, and a second spiral stirring paddle is fixed on the stirring rod at the discharging hole of the stirring box; the feeding pipe is perpendicular to the stirring rod, and a spiral feeding paddle is arranged in the feeding pipe. The materials are premixed (dry-mixed) by the first spiral stirring paddle and then enter the stirring box, stirred (wet-mixed) by the second spiral stirring paddle and enter the feeding pipe, and the materials can be fully plasticized and uniformly mixed by the aid of pressure and shearing force generated by the second spiral stirring paddle.

Preferably, the extrusion assembly comprises an extrusion cylinder, an inlet and an outlet are respectively arranged at two ends of the extrusion cylinder, the diameter of the inlet is larger than that of the outlet, so that the cable core can be uniformly coated with the mineral fire-proof mud, and the roundness of the cable core is ensured; the extruding cylinder is vertical to the feeding pipe, a sleeve is fixed in the extruding cylinder, the sleeve and the extruding cylinder are coaxial, one end of the sleeve is fixedly connected with the outlet end of the extruding cylinder, two annular partition plates are fixed between the sleeve and the extruding cylinder, and the annular partition plates divide the space between the sleeve and the extruding cylinder into a material collecting cavity, a material extruding cavity and a transmission cavity in sequence along the direction from the inlet to the outlet of the extruding cylinder; the inlet of the sleeve is communicated with the aggregate cavity, the aggregate cavity is provided with a cleaning port, and redundant mineral fireproof mud in the sleeve can enter the aggregate cavity through the inlet of the sleeve to be treated in a centralized manner, so that waste and pollution are avoided; the material extruding cavity is communicated with a discharge hole of the feeding pipe, the material extruding cavity is communicated with the sleeve through a plurality of discharging through holes, the discharging through holes are uniformly distributed along the circumferential direction of the material extruding cavity, and under the extrusion and conveying effects of the spiral feeding paddle, mineral fireproof mud enters the material extruding cavity and enters the sleeve from the discharging through holes to wrap a cable core passing through the sleeve; the cable comprises a transmission cavity, a sleeve is arranged in the transmission cavity, a rotatable material homogenizing assembly is arranged in the sleeve corresponding to the transmission cavity, the material homogenizing assembly comprises a rotating ring, the rotating ring is rotatably connected with the sleeve through a bearing, the inner ring surface of the rotating ring is located in the sleeve, a circle of material homogenizing brush is fixedly connected to the inner ring surface of the rotating ring, the outer ring surface of the rotating ring is fixed with a circle of rack, a forward and reverse rotating motor is fixed to the outer wall of the extrusion cylinder and is connected with a transmission gear, a notch is formed in the extrusion cylinder corresponding to the transmission gear, the bottom end of the transmission gear extends into the transmission cavity through the notch and is meshed with the rack, the transmission gear is driven to rotate through the rotation of the rotating motor, the rack drives the rotating ring to rotate through the transmission gear and the rack, when the rotating ring rotates, the material homogenizing brush rotates to homogenize the mineral fire-proof mud on the cable core wrapped with the mineral fire-proof mud, the mineral fire-proof mud is wrapped on the cable core more uniformly, the cable core is conveyed out of the cable core through the homogenized cable core from an outlet of the extrusion cylinder, and simultaneously, the excess mineral-proof mud can be regularly scraped under the action of the homogenizing brush, and the excess mineral-proof mud can be further uniformly scraped.

Preferably, the feed end of extruder is equipped with draw gear, draw gear includes the frame, be equipped with a plurality of parallel arrangement's last carry over pinch rolls and a plurality of parallel arrangement's lower carry over pinch rolls in the frame, connect through last driving belt between a plurality of last carry over pinch rolls, connect through lower driving belt between a plurality of lower carry over pinch rolls, it is connected with driving motor to go up carry over pinch rolls or lower carry over pinch rolls, go up driving belt and lower driving belt and correspond the setting from top to bottom, the cable passes between from last driving belt and the lower driving belt. The twisted cable core can be stably transmitted and can be compressed again for each twisted wire, and the twisting effect is further improved.

Preferably, the frame is equipped with the subassembly of rectifying near the one end of extruder, the subassembly of rectifying includes two vertical rollers of rectifying that correspond the setting, the roller of rectifying rotates and sets up in the frame, and the cable passes between two rollers of rectifying. The cable core that gets into in the extrusion cylinder can carry out certain spacing by the setting of subassembly of rectifying, makes the stable central axis from the extrusion cylinder of cable core pass through, improves the homogeneity of mineral substance fire prevention mud parcel.

Preferably, the discharge end of extruder is equipped with around the package subassembly, it includes rotary drum and two vertical supports to wrap the package subassembly, is fixed with the connecting plate of two parallels between two supports, the rotary drum passes through the bearing and rotates the setting with two connecting plates, and the rotary drum is connected with the rotation motor, the rotary drum runs through fixedly connected with carousel behind the connecting plate near the one end of extruding the subassembly, be fixed with a plurality of connecting pieces along circumference on the carousel, connecting piece detachable is connected with the tep reel. The cable core after having wrapped up the fireproof mud of mineral substance can in time be wrapped up around the package operation around the setting of package subassembly, will wrap up on the even winding of area to the cable core of wrapping up fireproof mud of mineral substance, avoid the mineral substance mud on the cable core flagging and influence the homogeneity of its parcel under the action of gravity, further improved the degree of consistency of mineral substance mud on the cable core.

Preferably, a driven wheel is fixed on the rotary drum between the two connecting plates, a driving wheel is fixed on an output shaft of the rotating motor, and the driving wheel is connected with the driven wheel through a transmission chain. The arrangement of the rotary drum can enable the rotation of the rotary drum to be more efficient and stable.

Preferably, the connecting piece is a connecting pipe, an internal thread is arranged on the inner wall of the connecting pipe, the belt disc is connected with a screw rod, the screw rod is sleeved in the connecting pipe and is in threaded fit with the connecting pipe, and a locking bolt is arranged on the connecting pipe. The locking bolt is unscrewed through the arrangement of the locking bolt, and the length of the connecting pipe extending out of the screw rod adjusting screw rod is rotated, so that the distance between the belt disc and the turntable can be adjusted, and fine adjustment can be performed on winding around the belt.

Preferably, the tep reel passes through adjusting part and is connected with the screw rod, adjusting part includes the connecting rod, the tep reel is connected with the one end of connecting rod, and the other end of connecting rod is fixed with the mounting hole, the one end fixedly connected with swivel nut of connecting pipe is kept away from to the screw rod, the swivel nut cooperation has adjusting bolt, adjusting bolt passes behind the mounting hole and cooperates with the swivel nut, adjusting bolt is perpendicular with the screw rod. This department sets up the accessible and unscrews adjusting bolt, rotates the connecting rod around the central axis of swivel nut as the centre of a circle, screws up adjusting bolt after making the connecting rod slope certain angle, makes connecting rod and swivel nut fixed to the winding angle of the cable core around band and parcel back mineral substance fire prevention mud on the reasonable adjustment tep reel satisfies the different demands around the package.

Preferably, a protective cover is arranged outside the wrapping assembly. The arrangement of the belt reel can play a role in protecting a user against the rotating turntable and the belt reel, so that interference on a winding belt from the outside is avoided, and personal injury caused by the falling and throwing of the belt reel in case is avoided.

The utility model discloses still including other subassemblies that can make the production of mineral substance fireproof cable use extrusion device normal use, like step motor's control assembly, the control assembly of spiral feeding oar, the control assembly of positive reverse motor, driving motor's control assembly, the control assembly of rotation motor etc. are conventional technical means in this area. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field, such as the screw feeding paddle, the adjusting bolt, the locking bolt, the protective cover, the belt disc and the like are the conventional equipment in the field.

The action principle is as follows: the raw materials of the mineral fire-proof mud enter a feed hopper, are primarily mixed under the action of a first spiral stirring paddle and are fed into a stirring box, the mixed raw materials are stirred with liquid raw materials such as water and the like in the stirring box, the stirred materials enter a feeding pipe under the action of a second spiral stirring paddle, and the mixed materials can be fully plasticized and uniformly mixed by means of pressure and shearing force generated by the second spiral stirring paddle; the twisted cable core enters the extrusion cylinder under the action of the traction assembly and passes through the sleeve, mineral fireproof mud enters the extrusion cavity under the extrusion and conveying actions of the spiral feeding paddle and enters the sleeve from the discharging through hole to wrap the cable core passing through the sleeve, when the rotating ring rotates, the mineral fireproof mud on the cable core wrapped with the mineral fireproof mud is homogenized through the rotation of the homogenizing brush, the mineral fireproof mud is wrapped on the cable core more uniformly, the roundness is improved, the cable core passing through the homogenizing brush is conveyed out from an outlet of the extrusion cylinder and enters a rotating cylinder of the wrapping assembly, when the rotating cylinder passes through, the rotating motor drives the rotating cylinder to rotate, the rotating cylinder drives the rotating disc to rotate, a belt disc on the rotating disc wraps the cable core wrapped with the mineral fireproof mud, and the wrapped cable core passes through the rotating cylinder and is taken up by a take-up roller.

Compared with the prior art, the beneficial effects of the utility model are that: a series of operations such as mixing, plasticizing and forming of the mineral fireproof mud can be completed in the same equipment, so that continuous production is performed, and labor and time costs are reduced; the mixing efficiency and the mixing uniformity are high, the uniformity and the roundness of the mineral fire-proof mud wrapped by the cable core are improved, and the quality of the cable is ensured; after the mineral fire-proof mud is wrapped, wrapping operation can be carried out in time, the wrapping tape is uniformly wound on the cable core wrapped with the mineral fire-proof mud, the phenomenon that the wrapping uniformity of the mineral fire-proof mud is influenced due to the fact that the mineral mud on the cable core droops under the action of gravity is avoided, and the uniformity of the mineral fire-proof mud on the cable core is further improved; the device is integrated with mixing, extruding and wrapping, can be simultaneously mixed, extruded and wrapped on a production line, and has adjustable wrapping layer number and angle.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view showing the structure of an extrusion apparatus for producing a mineral fire-resistant cable according to the embodiment;

FIG. 2 is a schematic diagram of the extrusion assembly of FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view of the connection between the rotating ring and the transmission gear in FIG. 3;

FIG. 5 is a left side view of the wrapping assembly of FIG. 1;

FIG. 6 is a partial cross-sectional view taken at B-B of FIG. 5;

FIG. 7 is an enlarged view at C of FIG. 6;

FIG. 8 is a schematic view of the belt plate of FIG. 6 after being adjusted to a certain angle;

fig. 9 is an enlarged view at D in fig. 8.

In the figure: 1. a transmission belt is arranged; 2. an upper pulling roll; 3. a deviation rectifying roller; 4. a feed hopper; 5. a stepping motor; 6. a stirring box; 7. an extrusion cylinder; 8. a protective cover; 9. a feed inlet; 10. a stirring rod; 11. a first spiral stirring paddle; 12. a stirring paddle; 13. a second spiral stirring paddle; 14. a feed pipe; 15. a screw feeding paddle; 16. an inlet; 17. a sleeve; 18. a material extruding cavity; 19. an annular partition plate; 20. a transmission gear; 21. a forward and reverse rotation motor; 22. a transmission cavity; 23. a rotating ring; 24. a material homogenizing brush; 25. a rack; 26. a blanking through hole; 27. the cable core is wrapped; 28. the cable core is wrapped with mineral fireproof mud; 29. the stranded cable core; 30. a support; 31. a connecting plate; 32. a turntable; 33. a connecting member; 34. a reel; 35. a threaded sleeve; 36. rotating the motor; 37. a drive chain; 38. a rotating drum; 39. a screw; 40. a material collecting cavity; 41. a connecting rod; 42. adjusting the bolt; 43. and (6) wrapping a tape.

Detailed Description

The present invention will be further described with reference to specific embodiments, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not intended to limit the invention.

Examples

The extrusion device for producing the mineral fireproof cable shown in fig. 1 to 9 comprises an extruder, wherein the extruder comprises a stirring component and an extrusion component; the stirring assembly sequentially comprises a feeding hopper 4, a stirring box 6 and a feeding pipe 14 from top to bottom, wherein a feeding hole 9 is formed in the feeding hopper 4, a discharging hole of the feeding hopper 4 is communicated with the stirring box 6, a discharging hole of the stirring box 6 is communicated with the feeding pipe 14, a liquid inlet 16 is formed in the stirring box 6, a vertical stirring rod 10 is arranged in the stirring box 6, the upper end of the stirring rod 10 penetrates through the feeding hopper 4 and then is connected with a stepping motor 5, the lower end of the stirring rod 10 extends to the discharging hole of the stirring box 6, a first spiral stirring paddle 11 is fixed on the stirring rod 10 in the feeding hopper 4, a first stirring paddle 12 is fixed on the stirring rod 10 in the stirring box 6, and a second spiral stirring paddle 13 is fixed on the stirring rod 10 at the discharging hole of the stirring box 6; the feeding pipe 14 is perpendicular to the stirring rod 10, and a spiral feeding paddle 15 is arranged in the feeding pipe 14. The materials can be fully plasticized and uniformly mixed by the pressure and the shearing force generated by the spiral feeding paddle 15.

The extrusion assembly comprises an extrusion cylinder 7, an inlet 16 and an outlet are respectively arranged at two ends of the extrusion cylinder 7, and the diameter of the inlet 16 is larger than that of the outlet; the extruding cylinder 7 is vertical to the feeding pipe 14, a sleeve 17 is fixed in the extruding cylinder 7, the sleeve 17 and the extruding cylinder 7 are coaxial, one end of the sleeve 17 is fixedly connected with the outlet end of the extruding cylinder 7, two annular partition plates 19 are fixed between the sleeve 17 and the extruding cylinder 7, and the annular partition plates 19 divide the space between the sleeve 17 and the extruding cylinder 7 into a material collecting cavity 40, a material extruding cavity 18 and a transmission cavity 22 in sequence along the direction from the inlet 16 to the outlet of the extruding cylinder 7; the inlet 16 of the sleeve 17 is communicated with the material collecting cavity 40, and a cleaning port is arranged on the material collecting cavity 40; the extrusion cavity 18 is communicated with a discharge hole of the feeding pipe 14, and the extrusion cavity 18 is communicated with the sleeve 17 through a plurality of blanking through holes 26; the material homogenizing device is characterized in that a rotatable material homogenizing assembly is arranged in the sleeve 17 corresponding to the transmission cavity 22 and comprises a rotating ring 23, the rotating ring 23 is rotatably connected with the sleeve 17 through a bearing, the inner ring surface of the rotating ring 23 is located in the sleeve 17, a circle of material homogenizing brush 24 is fixedly connected to the inner ring surface of the rotating ring 23, the outer ring surface of the rotating ring 23 is located in the transmission cavity 22, a circle of rack 25 is fixed to the outer ring surface of the rotating ring 23, a forward and reverse motor 21 is fixed to the outer wall of the extrusion cylinder 7, the forward and reverse motor 21 is connected with a transmission gear 20, a notch is formed in the extrusion cylinder 7 corresponding to the transmission gear 20, and the bottommost end of the transmission gear 20 extends into the transmission cavity 22 through the notch and is meshed with the rack 25. The stranded cable core 29 enters the sleeve 17 of the extrusion cylinder 7 to be wrapped by the mineral fire-proof mud, and the cable core 28 wrapped by the mineral fire-proof mud is subjected to material homogenizing by the material homogenizing brush 24, so that the roundness of the mineral fire-proof mud on the cable core is improved.

The feed end of extruder is equipped with draw gear, draw gear includes the frame, be equipped with a plurality of parallel arrangement's last carry over pinch rolls 2 and a plurality of parallel arrangement's lower carry over pinch rolls in the frame, connect through last driving belt 1 between a plurality of last carry over pinch rolls 2, connect through lower driving belt between a plurality of lower carry over pinch rolls, it is connected with driving motor to go up carry over pinch rolls 2 or lower carry over pinch rolls, go up driving belt 1 and the setting of corresponding from top to bottom of lower driving belt, the cable passes between from last driving belt 1 and the lower driving belt.

The frame is close to the one end of extruder and is equipped with the subassembly of rectifying, the subassembly of rectifying includes two vertical rollers 3 that rectify that correspond the setting, the roller 3 that rectifies rotates and sets up in the frame, and the cable passes between two rollers 3 that rectify.

The discharge end of extruder is equipped with around the package subassembly, it includes rotary drum 38 and two vertical supports 30 to wrap the package subassembly, is fixed with two parallel connecting plates 31 between two supports 30, rotary drum 38 rotates the setting through bearing and two connecting plates 31, and rotary drum 38 is connected with rotation motor 36, the one end that rotary drum 38 is close to extrusion cylinder 7 runs through fixedly connected with carousel 32 behind the connecting plate 31, be fixed with a plurality of connecting pieces 33 along circumference on the carousel 32, connecting piece 33 detachable is connected with tep dish 34. The tape reel is a disc-shaped tape reel wound with a wrapping tape, along with the rotation of the turntable and the continuous movement of the cable, the cable core 28 wrapped with the mineral fire-proof mud is wrapped by the wrapping tape 43 on the tape reel 34, and the wrapped cable core 27 is wound by the winding mechanism (winding roller).

A driven wheel is fixed on the rotary drum 38 between the two connecting plates 31, and a driving wheel is fixed on an output shaft of the rotating motor 36, and the driving wheel and the driven wheel are connected through a transmission chain 37.

The connecting piece 33 is a connecting pipe, an internal thread is arranged on the inner wall of the connecting pipe, the belt disc 34 is connected with a screw rod 39, the screw rod 39 is sleeved in the connecting pipe and is in threaded fit with the connecting pipe, and a locking bolt is arranged on the connecting pipe.

The tep reel 34 passes through adjusting part and is connected with screw rod 39, adjusting part includes connecting rod 41, tep reel 34 is connected with connecting rod 41's one end, and connecting rod 41's the other end is fixed with the mounting hole, the one end fixedly connected with swivel nut 35 of connecting pipe is kept away from to screw rod 39, swivel nut 35 cooperates there is adjusting bolt 42, adjusting bolt 42 passes behind the mounting hole and cooperates with swivel nut 35, adjusting bolt 42 is perpendicular with screw rod 39.

And a protective cover 8 is arranged outside the wrapping component.

The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.

Claims (9)

1. The extrusion device for producing the mineral fireproof cable comprises an extruder, wherein the extruder comprises a stirring component and an extrusion component; the stirring assembly sequentially comprises a feeding hopper, a stirring box and a feeding pipe from top to bottom, wherein a feeding hole is formed in the feeding hopper, a discharging hole of the feeding hopper is communicated with the stirring box, a discharging hole of the stirring box is communicated with the feeding pipe, a liquid inlet is formed in the stirring box, a vertical stirring rod is arranged in the stirring box, the upper end of the stirring rod penetrates through the feeding hopper and then is connected with a stepping motor, the lower end of the stirring rod extends to the discharging hole of the stirring box, a first spiral stirring paddle is fixed on the stirring rod in the feeding hopper, a second spiral stirring paddle is fixed on the stirring rod in the stirring box, and a second spiral stirring paddle is fixed on the stirring rod at the discharging hole of the stirring box; the feeding pipe is perpendicular to the stirring rod, and a spiral feeding paddle is arranged in the feeding pipe.

2. The extrusion device for producing the mineral substance fireproof cable according to claim 1, wherein the extrusion assembly comprises an extrusion cylinder, an inlet and an outlet are respectively arranged at two ends of the extrusion cylinder, and the diameter of the inlet is larger than that of the outlet; the extruding cylinder is vertical to the feeding pipe, a sleeve is fixed in the extruding cylinder, the sleeve and the extruding cylinder are coaxial, one end of the sleeve is fixedly connected with the outlet end of the extruding cylinder, two annular partition plates are fixed between the sleeve and the extruding cylinder, and the annular partition plates divide the space between the sleeve and the extruding cylinder into a material collecting cavity, a material extruding cavity and a transmission cavity in sequence along the direction from the inlet to the outlet of the extruding cylinder; the inlet of the sleeve is communicated with the aggregate cavity, and the aggregate cavity is provided with a cleaning port; the extruding cavity is communicated with a discharge hole of the feeding pipe, and the extruding cavity is communicated with the sleeve through a plurality of discharging through holes; the material homogenizing device is characterized in that a rotatable material homogenizing assembly is arranged in a sleeve corresponding to the transmission cavity, the material homogenizing assembly comprises a rotating ring, the rotating ring is rotatably connected with the sleeve through a bearing, the inner ring surface of the rotating ring is located in the sleeve, a circle of material homogenizing brush is fixedly connected to the inner ring surface of the rotating ring, the outer ring surface of the rotating ring is located in the transmission cavity, a circle of rack is fixed to the outer ring surface of the rotating ring, a forward and reverse rotating motor is fixed to the outer wall of the extrusion cylinder, the forward and reverse rotating motor is connected with a transmission gear, a notch is formed in the extrusion cylinder corresponding to the transmission gear, and the bottommost end of the transmission gear extends into the transmission cavity through the notch and is meshed with the rack.

3. The mineral substance is extrusion device for fireproof cable production of claim 1, wherein the feed end of extruder is equipped with draw gear, draw gear includes the frame, be equipped with a plurality of parallel arrangement's last carry over pinch rolls and a plurality of parallel arrangement's lower carry over pinch rolls in the frame, connect through last driving belt between a plurality of last carry over pinch rolls, connect through lower driving belt between a plurality of lower carry over pinch rolls, go up carry over pinch rolls or lower carry over pinch rolls and be connected with driving motor, go up driving belt and lower driving belt correspond the setting from top to bottom, the cable passes between last driving belt and the lower driving belt.

4. The extrusion device for mineral substance fireproof cable production as claimed in claim 3, wherein a deviation rectifying component is arranged at one end of the frame close to the extruder, the deviation rectifying component comprises two vertical deviation rectifying rollers which are correspondingly arranged, the deviation rectifying rollers are rotatably arranged on the frame, and the cable passes through between the two deviation rectifying rollers.

5. The mineral matter fire prevention cable production extrusion device of claim 1, wherein the discharge end of the extruder is provided with a wrapping assembly, the wrapping assembly comprises a rotating drum and two vertical supports, two parallel connecting plates are fixed between the two supports, the rotating drum is rotatably arranged with the two connecting plates through bearings, the rotating drum is connected with a rotating motor, one end of the rotating drum close to the extrusion assembly penetrates through the connecting plates and then is fixedly connected with a rotating disc, a plurality of connecting pieces are fixed on the rotating disc along the circumferential direction, and the connecting pieces are detachably connected with belt discs.

6. The extrusion device for producing the mineral fireproof cable as claimed in claim 5, wherein a driven wheel is fixed on the rotary drum between the two connecting plates, a driving wheel is fixed on an output shaft of the rotating motor, and the driving wheel and the driven wheel are connected through a transmission chain.

7. The extrusion device for mineral fireproof cable production according to claim 5, wherein the connecting piece is a connecting pipe, an internal thread is arranged on the inner wall of the connecting pipe, the belt reel is connected with a screw rod, the screw rod is sleeved in the connecting pipe and is in threaded fit with the connecting pipe, and a locking bolt is arranged on the connecting pipe.

8. The extrusion device for mineral fireproof cable production according to claim 7, wherein the tape reel is connected with the screw rod through an adjusting component, the adjusting component comprises a connecting rod, the tape reel is connected with one end of the connecting rod, a mounting hole is fixed at the other end of the connecting rod, a threaded sleeve is fixedly connected at one end of the screw rod, which is far away from the connecting rod, an adjusting bolt is matched with the threaded sleeve, the adjusting bolt is matched with the threaded sleeve after passing through the mounting hole, and the adjusting bolt is perpendicular to the screw rod.

9. The extrusion device for mineral fireproof cable production according to claim 5, wherein a protective cover is arranged outside the wrapping assembly.

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