CN215050887U

CN215050887U - Drafting and heating device for polytetrafluoroethylene monofilaments

Info

Publication number: CN215050887U
Application number: CN202121470089.XU
Authority: CN
Inventors: 邰学东
Original assignee: Huaian Huihong Polymer Material Co ltd
Current assignee: Huaian Huihong Polymer Material Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-07
Anticipated expiration: 2031-06-30

Abstract

The utility model relates to a polytetrafluoroethylene monofilament production facility technical field discloses a draft heating device of polytetrafluoroethylene monofilament, the power distribution box comprises a box body, the right side of box is provided with the displacement mechanism that extends to the box inside, the inner chamber diapire fixedly connected with hot plate of box, the top fixedly connected with heat conduction finned plate of hot plate, the left and right sides of box all imbed the slide pipe that has the equidistance to distribute and communicate with the box inside, displacement mechanism's output fixedly connected with casing. This draft heating device of polytetrafluoroethylene monofilament possesses advantages such as the practicality is high, has solved prior art for the draft heating device of polytetrafluoroethylene monofilament when using, needs manually to twine the polytetrafluoroethylene monofilament in the round roller outside, and the operation is time-consuming, and carries out heat conduction and heats the polytetrafluoroethylene monofilament through the round roller, and the round roller exposes in the air, and the heat scatters and disappears great, leads to the problem that the practicality is low.

Description

Drafting and heating device for polytetrafluoroethylene monofilaments

Technical Field

The utility model relates to a polytetrafluoroethylene monofilament production facility technical field specifically is a drafting heating device of polytetrafluoroethylene monofilament.

Background

The polytetrafluoroethylene monofilament belongs to polytetrafluoroethylene fibers, the polytetrafluoroethylene fibers are also called as polyfluortetraethylene fibers or teflon, the polytetrafluoroethylene fibers are made of polytetrafluoroethylene serving as raw materials through spinning or cutting or fibrillation after being made into films, the polyolefin fibers are high in strength and elongation, good in chemical stability, superior to other synthetic fibers in corrosion resistance, waxy in surface, small in friction coefficient, high in practical use temperature of-180-260 ℃, and remarkably reduced in strength when heated to 300 ℃, and good in weather resistance and flexibility resistance, and the polytetrafluoroethylene monofilament is mainly used as a high-temperature dust filter belt, a strong-corrosive filter material for filtering gas or liquid, a valve filler, a sealing belt, a self-lubricating bearing, a rocket launching platform bitter cloth, an artificial blood vessel, a military coat and the like, and is usually extruded and spun, and a drawing and heating device is needed.

Among the prior art, a draft heating device for polytetrafluoroethylene monofilament when using, needs manually twine the polytetrafluoroethylene monofilament in the circle roller outside, and the operation is time-consuming, and carries out heat conduction and heats the polytetrafluoroethylene monofilament through the circle roller, and the circle roller exposes in the air, and the heat scatters and disappears great, leads to the practicality low, so proposes a draft heating device for polytetrafluoroethylene monofilament and solves the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drafting heating device of polytetrafluoroethylene monofilament to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a monofilament draft heating device of polytetrafluoroethylene, includes the box, the right side of box is provided with the displacement mechanism that extends to the box inside, the inner chamber diapire fixedly connected with hot plate of box, the top fixedly connected with heat conduction finned plate of hot plate, the left and right sides of box all imbed have the equidistance distribute and with the slide pipe of the inside intercommunication of box, displacement mechanism's output fixedly connected with casing, the inside of casing is provided with the double-layered roller mechanism that quantity is two, the inside of casing is provided with the power unit of being connected with the transmission of below double-layered roller mechanism, the hole of stepping down of equidistance distribution is all seted up to the left and right sides of casing.

The utility model has the advantages that:

the polytetrafluoroethylene monofilament drafting and heating device comprises a polytetrafluoroethylene monofilament, wherein the polytetrafluoroethylene monofilament penetrates through a left sliding pipe, the polytetrafluoroethylene monofilament passes through a yielding hole, two clamping roller mechanisms clamp the polytetrafluoroethylene monofilament through friction force, a displacement mechanism drives a shell to move right, the shell drives the clamping roller mechanisms to move right, the clamping roller mechanisms drive the polytetrafluoroethylene monofilament to move right under the action of friction force, after the shell is contacted with the right side wall of an inner cavity of a box body, a power mechanism and the clamping roller mechanisms are matched with each other, the polytetrafluoroethylene monofilament moves right and sequentially passes through the right yielding hole and the sliding pipe under the action of friction force, the purpose of facilitating threading is achieved, meanwhile, a heating plate generates heat, the heat is conducted to a heat conduction fin plate and heats the polytetrafluoroethylene monofilament, threading can be completed without opening the box body, the inner diameter of the sliding pipe is small, and heat dissipation is reduced, more effective resource utilization, thereby achieving the purpose of high practicability.

As a further aspect of the present invention: the box body comprises a box body, the top of the box body is fixedly connected with a box cover through bolts, and a sliding groove is formed in the bottom of the box cover.

Adopt above-mentioned further scheme's beneficial effect to be, through dismantling the case lid, can clear up the case body is inside.

As a further aspect of the present invention: the displacement mechanism comprises a first stepping motor fixedly connected with the right side of the box body, an output end of the first stepping motor is fixedly connected with a lead screw movably connected with the inside of the box body, the outer side of the lead screw is in threaded connection with a threaded sleeve fixedly connected with the top of the shell, and the top of the threaded sleeve is fixedly connected with a sliding block extending to the inside of the sliding groove.

Adopt above-mentioned further scheme's beneficial effect to be, drive the lead screw by first step motor and rotate for the swivel nut drives the slider and slides in the spout is inside, and the swivel nut drives the casing and moves to the right simultaneously.

As a further aspect of the present invention: the roller clamping mechanism comprises a round shaft movably connected with the inside of the shell, an elastic cylinder is sleeved on the outer side of the round shaft, an auxiliary gear located on the front side of the elastic cylinder is sleeved on the outer side of the round shaft, the upper side and the lower side of the elastic cylinder are in mutual contact, and the upper side and the lower side of the elastic cylinder are meshed with each other.

The beneficial effect of adopting above-mentioned further scheme is that, two elastic cylinders can centre gripping polytetrafluoroethylene monofilament.

As a further aspect of the present invention: the power mechanism comprises a second stepping motor fixedly connected with the bottom wall of the inner cavity of the shell, and the output end of the second stepping motor is fixedly connected with a main gear meshed with the pinion below the second stepping motor.

The beneficial effect of adopting the above further scheme is that the second stepping motor drives the main gear to rotate, the main gear drives the pinion below to rotate, the pinion below drives the pinion above to rotate, so that the two elastic cylinders rotate relatively, and the clamped polytetrafluoroethylene monofilament moves to the right under the action of friction force.

As a further aspect of the present invention: the left side and the right side are symmetrically distributed, and the inner diameter of each sliding pipe is not more than five millimeters.

Adopt above-mentioned further scheme's beneficial effect is, the internal diameter of slide pipe is little, can reduce the inside thermal excessive of box and scatter.

As a further aspect of the present invention: the left side and the right side the abdication holes are distributed in a bilateral symmetry mode, and the axial leads of the abdication holes and the sliding pipe are coincided.

The beneficial effect of adopting the further scheme is that the polytetrafluoroethylene monofilament can conveniently pass through the abdicating hole and the sliding pipe.

Drawings

FIG. 1 is a schematic structural view of a drawing and heating device for polytetrafluoroethylene monofilaments;

FIG. 2 is a structural cross-sectional view of a drawing and heating device for polytetrafluoroethylene monofilaments;

FIG. 3 is an enlarged view of a drawing and heating device for polytetrafluoroethylene filaments at A in FIG. 2;

FIG. 4 is a right side sectional view of the housing of the drafting and heating device for PTFE monofilament.

In the figure: 1. a box body; 11. a box body; 12. a box cover; 13. a chute; 2. a displacement mechanism; 21. a first stepper motor; 22. A screw rod; 23. a threaded sleeve; 24. a slider; 3. heating plates; 4. a heat-conducting fin plate; 5. a slide pipe; 6. a housing; 7. a roller clamping mechanism; 71. a circular shaft; 72. an elastic cylinder; 73. a pinion gear; 8. a power mechanism; 81. a second stepping motor; 82. a main gear; 9. and (4) a yielding hole.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a drawing and heating device for polytetrafluoroethylene monofilaments comprises a box body 1, a displacement mechanism 2 extending into the box body 1 is disposed on the right side of the box body 1, a heating plate 3 is fixedly connected to the bottom wall of an inner cavity of the box body 1, the heating plate 3 is a conventional technology and can convert electric energy into heat energy for heating an object, a heat-conducting fin plate 4 is fixedly connected to the top of the heating plate 3, slide pipes 5 distributed at equal intervals and communicated with the inside of the box body 1 are embedded in the left and right sides of the box body 1, a shell 6 is fixedly connected to an output end of the displacement mechanism 2, two clamping roller mechanisms 7 are disposed inside the shell 6, a power mechanism 8 in transmission connection with the lower clamping roller mechanism 7 is disposed inside the shell 6, abdicating holes 9 distributed at equal intervals are disposed on the left and right sides of the shell 6, the box body 1 includes a box body 11, the top of the box body 11 is fixedly connected with a box cover 12 through bolts, the bottom of the box cover 12 is provided with a sliding groove 13, the inside of the box body 11 can be cleaned by disassembling the box cover 12, the displacement mechanism 2 comprises a first stepping motor 21 fixedly connected with the right side of the box body 11, the output end of the first stepping motor 21 is fixedly connected with a screw rod 22 movably connected with the inside of the box body 11, the outer side of the screw rod 22 is in threaded connection with a threaded sleeve 23 fixedly connected with the top of the shell 6, the top of the threaded sleeve 23 is fixedly connected with a sliding block 24 extending to the inside of the sliding groove 13, the first stepping motor 21 drives the screw rod 22 to rotate, so that the threaded sleeve 23 drives the sliding block 24 to slide in the sliding groove 13, meanwhile, the threaded sleeve 23 drives the shell 6 to move to the right, the roller clamping mechanism 7 comprises a round shaft 71 movably connected with the inside of the shell 6, the outer side of the round shaft 71 is sleeved with an elastic cylinder 72, the outer side of the round shaft 71 is sleeved with a pinion 73 positioned on the front side of the elastic cylinder 72, the upper and lower elastic cylinders 72 are contacted with each other, the upper and lower pinion gears 73 are engaged with each other, the two elastic cylinders 72 can clamp polytetrafluoroethylene monofilaments, the power mechanism 8 comprises a second stepping motor 81 fixedly connected with the bottom wall of the inner cavity of the shell 6, the output end of the second stepping motor 81 is fixedly connected with a main gear 82 engaged with a lower pinion gear 73, the main gear 82 is driven by the second stepping motor 81 to rotate, the main gear 82 drives the lower pinion gear 73 to rotate, the lower pinion gear 73 drives the upper pinion gear 73 to rotate, so that the two elastic cylinders 72 relatively rotate, the clamped polytetrafluoroethylene monofilaments move to the right under the action of friction force, the left and right sliding pipes 5 are symmetrically distributed, the inner diameter of the sliding pipe 5 is not more than five millimeters, the inner diameter of the sliding pipe 5 is small, the overflow of the heat in the box body 1 can be reduced, and the left and right abdicating holes 9 are symmetrically distributed, the coincidence of the axial lead of hole 9 and slide pipe 5 of stepping down is convenient for make the polytetrafluoroethylene monofilament through hole 9 and slide pipe 5 of stepping down, has solved prior art for the monofilament draft heating device of polytetrafluoroethylene needs manual winding the polytetrafluoroethylene monofilament in the round roller outside when using, and the operation is time-consuming, and carries out heat conduction and heats the polytetrafluoroethylene monofilament through the round roller, and the round roller exposes in the air, and the heat scatters and disappears great, leads to the problem that the practicality is low.

The utility model discloses a theory of operation is:

the first step is as follows: the polytetrafluoroethylene monofilaments penetrate through the left sliding tube 5, pass through the left abdicating hole 9, and are driven to rotate by the second stepping motor 81, the main gear 82 drives the lower pinion 73 to rotate, the lower pinion 73 drives the upper pinion 73 to rotate, so that the two elastic cylinders 72 relatively rotate, the two elastic cylinders 72 clamp the polytetrafluoroethylene monofilaments, and the elastic cylinders 72 stop rotating;

the second step is that: the screw rod 22 is driven to rotate by the first stepping motor 21, so that the screw sleeve 23 drives the sliding block 24 to slide in the sliding groove 13, meanwhile, the screw sleeve 23 drives the shell 6 to move right, and after the shell 6 is contacted with the right side wall of the inner cavity of the box body 11;

the third step: make elastic cylinder 72 continue to rotate, under the effect of frictional force for polytetrafluoroethylene monofilament moves to the right and loops through right side hole 9 and the slide pipe 5 of stepping down, and then reach the purpose of making things convenient for the threading, simultaneously, generate heat by hot plate 3, heat conduction is given heat conduction finned plate 4 and is heated polytetrafluoroethylene monofilament, because the internal diameter that need not open box 1 just can accomplish threading and slide pipe 5 is little, reduced thermal excessive and scattered, more effective utilization resource, thereby reach the high purpose of practicality.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A drafting and heating device for polytetrafluoroethylene monofilaments comprises a box body (1) and is characterized in that, a displacement mechanism (2) extending into the box body (1) is arranged on the right side of the box body (1), the bottom wall of the inner cavity of the box body (1) is fixedly connected with a heating plate (3), the top of the heating plate (3) is fixedly connected with a heat-conducting fin plate (4), sliding pipes (5) which are distributed at equal intervals and are communicated with the interior of the box body (1) are embedded in the left side and the right side of the box body (1), the output end of the displacement mechanism (2) is fixedly connected with a shell (6), two clamping roller mechanisms (7) are arranged in the shell (6), a power mechanism (8) in transmission connection with the lower roller clamping mechanism (7) is arranged in the shell (6), the left side and the right side of the shell (6) are provided with abdicating holes (9) distributed at equal intervals.

2. The drafting and heating device for polytetrafluoroethylene monofilaments according to claim 1, wherein the box body (1) comprises a box body (11), a box cover (12) is fixedly connected to the top of the box body (11) through bolts, and a sliding groove (13) is formed in the bottom of the box cover (12).

3. The drafting and heating device for polytetrafluoroethylene monofilaments according to claim 2, wherein the displacement mechanism (2) comprises a first stepping motor (21) fixedly connected with the right side of the box body (11), the output end of the first stepping motor (21) is fixedly connected with a screw rod (22) movably connected with the inside of the box body (11), the outer side of the screw rod (22) is in threaded connection with a threaded sleeve (23) fixedly connected with the top of the shell (6), and the top of the threaded sleeve (23) is fixedly connected with a slide block (24) extending to the inside of the sliding chute (13).

4. The drafting and heating device for polytetrafluoroethylene monofilaments according to claim 1, wherein the clamping roller mechanism (7) comprises a circular shaft (71) movably connected with the inside of the housing (6), an elastic cylinder (72) is sleeved on the outer side of the circular shaft (71), a pinion (73) positioned on the front side of the elastic cylinder (72) is sleeved on the outer side of the circular shaft (71), the elastic cylinder (72) at the upper side and the lower side are in contact with each other, and the pinion (73) at the upper side and the lower side are in mesh with each other.

5. A polytetrafluoroethylene monofilament drafting and heating device according to claim 4, wherein said power mechanism (8) comprises a second stepping motor (81) fixedly connected to the bottom wall of the inner cavity of the housing (6), and the output end of said second stepping motor (81) is fixedly connected to a main gear (82) engaged with said pinion (73) below.

6. A polytetrafluoroethylene monofilament drafting and heating device according to claim 1, wherein said slide pipes (5) are symmetrically arranged on left and right sides, and the inner diameter of said slide pipes (5) is not more than five mm.

7. The drafting and heating device for polytetrafluoroethylene monofilaments according to claim 6, wherein the offset holes (9) are symmetrically distributed left and right, and the axial lines of the offset holes (9) and the slide pipe (5) coincide.