CN112793137B

CN112793137B - Polytetrafluoroethylene stretcher with function of rectifying

Info

Publication number: CN112793137B
Application number: CN202011364349.5A
Authority: CN
Inventors: 杨文光; 孙克原; 王孝刚; 夏炎; 陈中顺; 陈佩民
Original assignee: Nanjing Comptech Composites Corp
Current assignee: Nanjing Comptech Composites Corp
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2022-02-01
Anticipated expiration: 2040-11-27
Also published as: CN112793137A

Abstract

The invention discloses a polytetrafluoroethylene stretcher with a deviation rectifying function, which relates to the technical field of polytetrafluoroethylene production equipment and comprises a heating mechanism, wherein the heating mechanism comprises a heating chamber and a heat insulating layer arranged on the side wall of an inner cavity of the heating chamber, a feeding roller and a discharging roller are respectively and rotatably arranged at an inlet and an outlet of the heating chamber, and a plurality of heating rollers which are rotatably connected with the upper side and the lower side of the inner cavity of the heating chamber are also arranged at the upper side and the lower side in a staggered manner; two mounting plates fixedly connected with the heating chamber are symmetrically arranged on one side of the outlet of the heating chamber; still be provided with the mechanism of rectifying on the mounting panel, the mechanism of rectifying is including setting up the infra-red transmitter between two mounting panels and being located one of them row of chill roll respectively, be provided with the infrared receiver with infra-red transmitter matched with between another row of chill roll. Compare in traditional device, this device can avoid film form polytetrafluoroethylene's cooling shaping when rolling because position deviation causes the winding or ties.

Description

Polytetrafluoroethylene stretcher with function of rectifying

Technical Field

The invention relates to the technical field of polytetrafluoroethylene production equipment, in particular to a polytetrafluoroethylene stretcher with a deviation rectifying function.

Background

Polytetrafluoroethylene, commonly known as "plastic king", is a high molecular polymer prepared by polymerization using tetrafluoroethylene as a monomer. The white wax-like paint has the advantages of good white wax-like property, translucency, heat resistance and cold resistance, and can be used for a long time in an environment of-180-260 ℃. The material has the characteristics of acid resistance, alkali resistance and various organic solvents resistance, and is almost insoluble in all solvents. Meanwhile, the polytetrafluoroethylene has the characteristic of high temperature resistance, and the friction coefficient of the polytetrafluoroethylene is extremely low, so that the polytetrafluoroethylene can be used as an ideal coating for various water pipe inner layers which are easy to clean besides lubrication. In the production process of polytetrafluoroethylene, a proper amount of ingredients such as kerosene and the like are added into polytetrafluoroethylene, and the polytetrafluoroethylene is uniformly mixed and then subjected to processes such as embryo forming, curing, extrusion and the like, so that the film-shaped polytetrafluoroethylene is obtained. In the process of producing a polytetrafluoroethylene film by stretching a polytetrafluoroethylene raw material, a polytetrafluoroethylene stretcher often causes uneven thickness of the produced polytetrafluoroethylene film or even winding the polytetrafluoroethylene film together due to position deviation.

Disclosure of Invention

The invention aims to provide a polytetrafluoroethylene stretcher with a deviation rectifying function, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a polytetrafluoroethylene stretcher with a deviation rectifying function comprises a heating mechanism, wherein the heating mechanism comprises a heating chamber and a heat insulating layer arranged on the side wall of an inner cavity of the heating chamber, a feeding roller and a discharging roller are respectively and rotatably arranged at an inlet and an outlet of the heating chamber, and a plurality of heating rollers which are rotatably connected with the upper side and the lower side of the inner cavity of the heating chamber are also arranged at the upper side and the lower side in a staggered manner; two mounting plates fixedly connected with the heating chamber are symmetrically arranged on one side of the outlet of the heating chamber, a cooling forming mechanism is arranged on the mounting plates, the cooling forming mechanism comprises a plurality of cooling rollers symmetrically arranged between the two mounting plates and a plurality of air outlets arranged on the mounting plates, the cooling rollers are divided into two rows and symmetrically arranged on the upper side and the lower side of the mounting plates, an air outlet pipe communicated with the air outlets is arranged on one side of the mounting plates away from the cooling rollers, and the air outlet pipe is communicated with a fan; the mounting plates are also provided with a deviation rectifying mechanism, the deviation rectifying mechanism comprises infrared transmitters which are respectively arranged on the two mounting plates and are positioned between one row of cooling rollers, an infrared receiver matched with the infrared transmitters is arranged between the other row of cooling rollers, two ends of each cooling roller are fixedly connected with connecting shafts which are embedded on the mounting plates in a sliding manner, cavities are arranged outside the connecting shafts, electric valves are arranged at openings of the cavities, the electric valves are communicated with gas transmission pipelines, and the gas transmission pipelines are communicated with air pumps;

be provided with adjustment mechanism on the feed roll, adjustment mechanism include fixed connection in the first of heating chamber outside ratchet and set up in first in ratchet inboard and with feed roll fixed connection's carousel, it can only towards a direction pivoted checkpost to rotate on the carousel to be connected with a plurality of, it is connected with the control ring to rotate on the carousel, be provided with on the control ring with the control panel of checkpost one-to-one, be provided with the resistance spring between control panel and the checkpost of institute, fixedly connected with bar plate on the control ring, be provided with the card strip on the bar plate, pipe connection has the gear board corresponding with the card strip on the heating chamber, be provided with a plurality of gear grooves on the gear board.

As a further scheme of the invention: the heating chamber outside is provided with unwinding mechanism with the corresponding position of entrance, unwinding mechanism is including installation casing and rotation connection the reel of putting on the installation casing and the fixed axle of fixed connection on the reel of putting, that one side that the reel was kept away from to the fixed axle is provided with the card lid.

As a further scheme of the invention: the inner side of the clamping cover is provided with a plurality of clamping tongues, the fixed shaft is provided with openings matched with the clamping tongues, and the inner sides of the openings are provided with clamping grooves.

As a further scheme of the invention: the outer side of the fixed shaft is provided with a plurality of arc-shaped fixed plates, a fixed spring is arranged between the fixed plates and the fixed shaft, one side of each fixed plate, which is close to the unwinding disc, is fixedly connected with a connecting block which penetrates through the unwinding disc and is in sliding connection with the unwinding disc, and the unwinding disc is provided with a limiting groove matched with the connecting block.

As a further scheme of the invention: the entrance and exit of heating chamber all is provided with guiding mechanism, guiding mechanism includes the guide block of fixed connection at the heating chamber access & exit respectively, the inside cavity of guide block just is provided with the passageway corresponding with the heating chamber access & exit, both sides symmetry is provided with the guide roll that a plurality of and guide block rotate to be connected about the passageway.

As a further scheme of the invention: the utility model discloses a heating chamber, including the heating chamber, be provided with elevating system between guide block and the installation casing, elevating system connects the connecting rod on the heating chamber lateral wall including rotating, the free end fixed connection of connecting rod is in installation casing below, the guide block bottom still rotates and is connected with the sleeve pipe, the inside slip of sleeve pipe inlays and is equipped with the telescopic link, the inside still rotation of sleeve pipe is connected with a plurality of baffles, that one side that the baffle is close to the guide block is provided with a reset spring, the opposite side of baffle is provided with the gag lever post that runs through the sleeve pipe and rather than sliding connection.

As a further scheme of the invention: put and be provided with rotation prevention mechanism on the reel, rotation prevention mechanism includes that fixed connection installs the axle on installation casing and sets up in the installation axle outside and with the second internal ratchet wheel that unreels a set fixed connection, still be provided with the collar between the ratchet in installation axle and the second, it is connected with a plurality of pawl to rotate on the collar, the both sides of pawl are provided with second reset spring and pin respectively, the pin runs through the collar and rotate the connection on the installation axle, it still is provided with the knob to install the epaxial.

As a further scheme of the invention: be provided with winding mechanism on the mounting panel, winding mechanism includes fixed connection the rolling motor on the mounting panel, winding motor's output fixed connection has the rolling dish, a plurality of curved rolling boards of fixedly connected with on the rolling dish, that one end that the rolling dish was kept away from to the rolling board is provided with the anticreep piece.

As a further scheme of the invention: the heating chamber bottom is provided with supporting mechanism, supporting mechanism is including setting up the base in the heating chamber bottom and setting up the buffer beam between base and heating chamber, the buffer beam outside still is provided with buffer spring, buffer spring's both ends are fixed connection respectively on heating chamber bottom and base.

Compared with the prior art, the invention has the beneficial effects that:

the strip-shaped polytetrafluoroethylene raw material is usually wound on the outer side of the cylinder, and a worker puts the cylinder wound with the polytetrafluoroethylene raw material on the outer side of the fixing plate, and the cylinder is fixed on the outer side of the fixing shaft by the fixing plate under the action of the fixing spring; at the moment, the clamping tongue on the clamping cover is placed into the clamping groove along the opening, then the clamping cover is rotated, the relative position of the clamping cover and the fixed shaft is fixed, and the cylinder filled with the polytetrafluoroethylene raw material is fixed on the unwinding disc and the clamping cover, so that the raw material is fixed; the working personnel can enable the mounting shell fixed on the connecting rod to move along by rotating the connecting rod, and the connecting rod can be fixed through the sleeve and the telescopic rod after the position of the mounting shell is adjusted; due to the existence of the baffle plate, the first reset spring and the limiting rod in the sleeve, the telescopic rod can be clamped at the baffle plate, and the limiting of the telescopic rod can be released only by taking out the limiting rod, so that the connecting rod is fixed through the telescopic rod, and the purpose of adjusting the height of the mounting shell is further realized; the banded polytetrafluoroethylene raw material enters the heating chamber through the feeding roller and is heated by the heating roller to be softened, and the heat insulation layer is arranged to prevent the internal heat from being dissipated; at the moment, the worker pokes the strip-shaped plate to enable the clamping strip to be located in different gear grooves, so that the control ring rotates by different angles, the deformation amount of the resistance spring between the clamp and the control plate is adjusted, the resistance received by the first inner ratchet wheel during rotation changes along with the change of the deformation amount of the resistance spring, the rotation speed of the feeding roller is influenced, and the raw material is pulled at the other end of the feeding roller, so that the stretched polytetrafluoroethylene film changes along with the change of the rotation speed of the feeding roller, and the control device produces polytetrafluoroethylene films with different thicknesses; the finished product is air-cooled by the polytetrafluoroethylene film through a fan, an air outlet pipe and an air outlet, so that the finished product is rapidly cooled and formed; when the polytetrafluoroethylene film advances along normal position, all infrared receiver can both receive the infrared ray number that its infrared transmitter that corresponds transmitted, and when polytetrafluoroethylene film position produced the skew, the infrared ray number that the infrared transmitter that one side place of its skew transmitted is sheltered from as the polytetrafluoroethylene film, thereby make corresponding infrared receiver unable received signal, open with the corresponding electric valve of this infrared transmitter this moment, make the gas in the gas transmission pipeline pass through electric valve and get into the cavity, thereby promote the connecting axle until infrared receiver can normally receive the signal once more.

Drawings

FIG. 1 is a front view of a PTFE stretching machine with deviation rectifying function.

FIG. 2 is a rear view of a PTFE stretching machine with a deviation rectifying function.

FIG. 3 is a top view of a PTFE stretching machine with deviation rectifying function.

Fig. 4 is a schematic structural diagram of the unwinding mechanism.

Fig. 5 is a schematic view of a connection structure of the unwinding disc and the connecting block.

Fig. 6 is a schematic structural view of the card cover.

Fig. 7 is a partially enlarged view of a portion a in fig. 1.

Fig. 8 is a schematic structural view of the winding mechanism.

Fig. 9 is a schematic structural view of the adjustment mechanism.

FIG. 10 is a schematic view of the anti-rotation mechanism

In the figure: 1-unwinding mechanism, 101-installation shell, 102-unwinding disc, 103-fixed shaft, 104-fixed plate, 105-fixed spring, 106-limit groove, 107-connecting block, 108-opening, 109-clamping groove, 110-clamping cover, 111-clamping tongue, 2-lifting mechanism, 201-connecting rod, 202-telescopic rod, 203-sleeve, 204-baffle, 205-first reset spring, 206-limit rod, 3-guiding mechanism, 301-guiding block, 302-channel, 303-guiding roller, 4-heating mechanism, 401-heating chamber, 402-heat insulation layer, 403-feeding roller, 404-discharging roller, 405-heating roller, 5-installation plate, 6-cooling forming mechanism, 601-cooling roller, 602-air outlet, 603-air outlet pipe, 604-fan, 7-deviation correcting mechanism, 701-infrared receiver, 702-infrared emitter, 703-air transmission pipeline, 704-electric valve, 705-cavity, 706-connecting shaft, 707-air pump, 8-winding mechanism, 801-winding motor, 802-winding disc, 803-winding disc, 804-anti-falling block, 9-adjusting mechanism, 901-first inner ratchet wheel, 902-clip, 903-rotating disc, 904-resistance spring, 905-control plate, 906-control ring, 907-strip plate, 908-gear plate, 909-gear groove, 910-clip strip, 10-supporting mechanism, 1001-buffer rod, 1002-buffer spring, 1003-base, 11-anti-rotation mechanism, 1101-knob, 1102-second inner ratchet wheel, 1103-mounting ring, 1104-pawl, 1105-second return spring, 1106-mounting shaft, 1107-stop lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, and the like in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:

as shown in fig. 1 to 10, the polytetrafluoroethylene stretcher with a deviation rectifying function provided by the invention comprises an unwinding mechanism 1, a guiding mechanism 3, a heating mechanism 4, a mounting plate 5, a cooling and forming mechanism 6, a deviation rectifying mechanism 7, an adjusting mechanism 9 and a winding mechanism 8, wherein the unwinding mechanism 1 is used for storing a strip-shaped polytetrafluoroethylene raw material; the guide mechanism 3 is used for preventing the polytetrafluoroethylene material from not deviating in the position of entering and exiting the heating mechanism 4; the heating mechanism 4 is used for heating polytetrafluoroethylene raw materials; the cooling and forming mechanism 6 is used for cooling and forming the stretched polytetrafluoroethylene; the deviation rectifying mechanism 7 is used for preventing the position of the polytetrafluoroethylene from deviating during cooling and forming; the adjusting mechanism 9 is used for controlling the thickness of a finished product formed by stretching polytetrafluoroethylene into a polytetrafluoroethylene film, and the winding mechanism 8 is used for winding the film-shaped polytetrafluoroethylene finished product.

As shown in fig. 1 to 3, as a preferred embodiment of the present invention, the heating mechanism 4 includes a heating chamber 401 and a heat insulating layer 402 disposed on a sidewall of an inner cavity of the heating chamber 401, a feeding roller 403 and a discharging roller 404 are respectively rotatably disposed at an entrance and an exit of the heating chamber 401, and a plurality of heating rollers 405 rotatably connected to the upper and lower sides of the inner cavity of the heating chamber 401 are further disposed at a staggered position. The belt-shaped polytetrafluoroethylene raw material is heated by the heating roller 405 to be softened only after the feeding roller 403 enters the heating chamber 401, and the internal heat can be prevented from being dissipated by the arrangement of the heat insulation layer 402, so that the resource waste is caused.

As shown in fig. 1-6, as a preferred embodiment of the present invention, the unwinding mechanism 1 includes a mounting housing 101, a unwinding disc 102 rotatably connected to the mounting housing 101, and a fixing shaft 103 fixedly connected to the unwinding disc 102, a clamping cover 110 is disposed on a side of the fixing shaft 103 away from the unwinding disc 102, a plurality of clamping tongues 111 are disposed on an inner side of the clamping cover 110, an opening 108 matched with the clamping tongues 111 is disposed on the fixing shaft 103, a clamping groove 109 is disposed on an inner side of the opening 108, a plurality of arc-shaped fixing plates 104 are disposed on an outer side of the fixing shaft 103, a fixing spring 105 is disposed between the fixing plates 104 and the fixing shaft 103, a connecting block 107 penetrating through and slidably connected to the unwinding disc 102 is fixedly connected to a side of the fixing plates 104 close to the unwinding disc 102, and a limiting groove 106 matched with the connecting block 107 is disposed on the unwinding disc 102. The band-shaped teflon material is usually wound on the outer side of the cylinder, and the worker puts the cylinder wound with the teflon material on the outer side of the fixing plate 104, at this time, the cylinder is fixed on the outer side of the fixing shaft 13 by the fixing plate 104 under the action of the fixing spring 105; at this time, the latch tongue 111 on the latch cover 110 is placed into the slot 109 along the opening 108, and then the latch cover 110 is rotated, at this time, the relative position of the latch cover 110 and the fixed shaft 103 is fixed, and the cylinder filled with the polytetrafluoroethylene raw material is fixed on the unwinding disc 102 and the latch cover 110, thereby realizing the fixation of the raw material.

As shown in fig. 1, 2, 3 and 7, in one aspect of the present embodiment, an elevating mechanism 2 is disposed between the guide block 301 and the installation housing 101, the elevating mechanism 2 includes a connecting rod 201 rotatably connected to a sidewall of the heating chamber 401, a free end of the connecting rod 201 is fixedly connected below the installation housing 101, a sleeve 203 is further rotatably connected to a bottom of the guide block 301, an expansion rod 202 is slidably embedded in the sleeve 203, a plurality of baffles 204 are further rotatably connected to an inside of the sleeve 203, a first return spring 205 is disposed on a side of the baffles 204 close to the guide block 301, and a limiting rod 206 penetrating through the sleeve 203 and slidably connected thereto is disposed on the other side of the baffles 204. A worker can enable the installation shell 101 fixed on the connecting rod 201 to move along by rotating the connecting rod 201, and after the position of the installation shell 101 is adjusted, the connecting rod 201 can be fixed through the sleeve 203 and the telescopic rod 202; because the baffle 204, the first reset spring 205 and the gag lever post 206 exist in the sleeve pipe for telescopic link 202 can be blocked in baffle 204 department, only takes out gag lever post 206, just can remove telescopic link 202 spacing, thereby reaches the purpose through the fixed connecting rod 201 of telescopic link 202.

As shown in fig. 1, 2, 3 and 10, in one aspect of the present embodiment, the unwinding disc 102 is provided with an anti-rotation mechanism 11, the anti-rotation mechanism 11 includes a mounting shaft 1106 fixedly connected to the mounting housing 10 and a second inner ratchet 1102 arranged outside the mounting shaft 1106 and fixedly connected to the unwinding disc 102, a mounting ring 1103 is further arranged between the mounting shaft 1106 and the second inner ratchet 1102, the mounting ring 1103 is rotatably connected to a plurality of pawls 1104, a second return spring 1105 and a stop lever 1107 are respectively arranged on two sides of the pawls 1104, the stop lever 117 penetrates through the mounting ring 1103 and is rotatably connected to the mounting shaft 1106, and a knob 1101 is further arranged on the mounting shaft 1106. Because the second inner ratchet wheel 1102 can only rotate in one direction under the action of the pawl 1104, the second return spring 1105 and the stop lever 1107, the unwinding disc 102 fixedly connected with the second inner ratchet wheel 1102 can only rotate in one direction, thereby avoiding the rotation.

As shown in fig. 1 to 3, as a preferred embodiment of the present invention, the guide mechanism 3 includes guide blocks 301 respectively fixedly connected to the inlet and the outlet of the heating chamber 401, the guide blocks 301 are hollow and provided with channels 302 corresponding to the inlet and the outlet of the heating chamber 401, and a plurality of guide rollers 303 rotatably connected to the guide blocks 301 are symmetrically arranged on the upper and lower sides of the channels 302. The guiding mechanism 3 can ensure that the raw material and the finished product are not displaced when entering and exiting the heating chamber 401.

As shown in fig. 1 to 3, as a preferred embodiment of the present invention, the cooling forming mechanism 6 includes a plurality of cooling rollers 601 symmetrically disposed between two mounting plates 5 and a plurality of air outlets 602 disposed on the mounting plates 5, the cooling rollers 601 are divided into two rows and symmetrically disposed on the upper and lower sides of the mounting plates 5, an air outlet pipe 603 communicated with the air outlets 602 is disposed on the side of the mounting plate 5 away from the cooling rollers 601, and the air outlet pipe 603 is communicated with a fan 604. The finished product is air-cooled through the fan 604, the air outlet pipe 603 and the air outlet 602, so that the finished product is rapidly cooled and molded.

As shown in fig. 1 to 3, as a preferred embodiment of the present invention, the deviation correcting mechanism 7 includes an infrared emitter 702 respectively disposed on two mounting plates 5 and located between one row of cooling rollers 601, an infrared receiver 701 matched with the infrared emitter 702 is disposed between the other row of cooling rollers 601, two ends of each cooling roller 601 are fixedly connected with a connecting shaft 706 slidably embedded on the mounting plate 5, a cavity 705 is disposed outside the connecting shaft 706, an electric valve 704 is disposed at an opening of the cavity 705, the electric valve 704 is communicated with an air delivery pipe 703, and the air delivery pipe 703 is communicated with an air pump 707. When the teflon film moves along a normal position, all the infrared receivers 701 can receive infrared signals transmitted by the corresponding infrared transmitters 702, and when the teflon film shifts, the infrared signals transmitted by the infrared transmitters 702 on the shifted side are shielded by the teflon film, so that the corresponding infrared receivers 701 cannot receive signals, at the moment, the electric valves 704 corresponding to the infrared transmitters 702 are opened, and gas in the gas transmission pipeline 703 enters the cavity 705 through the electric valves 704, so that the connecting shaft 706 is pushed until the infrared receivers 701 can normally receive the signals again.

As shown in fig. 1, fig. 2, fig. 3 and fig. 8, as a preferred embodiment of the present invention, a winding mechanism 8 is disposed on the mounting plate 5, the winding mechanism 8 includes a winding motor 801 fixedly connected to the mounting plate 5, an output end of the winding motor 801 is fixedly connected to a winding disc 802, a plurality of arc-shaped winding plates 803 are fixedly connected to the winding disc 802, and an end of the winding plate 803, which is far away from the winding disc 802, is provided with an anti-drop block 804.

As shown in fig. 3 and 9, as a preferred embodiment of the present invention, the adjusting mechanism 9 includes a first inner ratchet 901 fixedly connected to an outer side of the heating chamber 401 and a rotating disc 903 disposed inside the first inner ratchet 901 and fixedly connected to the feeding roller 403, a plurality of clips 902 capable of rotating only in one direction are rotatably connected to the rotating disc 903, a control ring 906 is rotatably connected to the rotating disc 903, control plates 905 corresponding to the clips 902 are disposed on the control ring 906, a resistance spring 904 is disposed between the control plate 905 and the clips 902, a strip-shaped plate 907 is fixedly connected to the control ring 906, a clip 910 is disposed on the strip-shaped plate 907, a shift plate corresponding to the clip 910 is connected to the heating chamber 401 through a pipeline, and a plurality of shift grooves 909 are disposed on the shift plate 908. The worker can make the clamping strip 910 be positioned in different gear slots 909 by toggling the strip-shaped plate 907, so that the control ring 906 can rotate by different angles, and further adjust the deformation amount of the resistance spring 904 between the clamp 902 and the control plate 905, and along with the change of the deformation amount of the resistance spring 904, the resistance received by the first inner ratchet wheel 901 during rotation can also change along with the rotation, so that the rotation speed of the feeding roller 403 is influenced, and because the raw material is pulled at the other end, when the rotation speed of the feeding roller 403 changes, the stretched polytetrafluoroethylene film can also change along with the change of the rotation speed, so that the control device can produce polytetrafluoroethylene films with different thicknesses.

As shown in fig. 1 to 3, in one aspect of the present embodiment, a support mechanism 10 is disposed at the bottom of the heating chamber 401, the support mechanism 10 includes a base 1003 disposed at the bottom of the heating chamber 401 and a buffer rod 1001 disposed between the base 1003 and the heating chamber 401, a buffer spring 1002 is further disposed outside the buffer rod 1001, and both ends of the buffer spring 1002 are fixedly connected to the bottom of the heating chamber 401 and the base 1003, respectively.

The embodiment of the invention discloses a polytetrafluoroethylene stretcher with a deviation rectifying function, wherein a strip-shaped polytetrafluoroethylene raw material is usually wound on the outer side of a cylinder, a worker puts the cylinder wound with the polytetrafluoroethylene raw material on the outer side of a fixing plate 104, and the cylinder is fixed on the outer side of a fixing shaft 13 by the fixing plate 104 under the action of a fixing spring 105; at this time, the clamping tongue 111 on the clamping cover 110 is placed into the clamping groove 109 along the opening 108, then the clamping cover 110 is rotated, at this time, the relative position of the clamping cover 110 and the fixed shaft 103 is fixed, and the cylinder filled with the polytetrafluoroethylene raw material is fixed on the unwinding disc 102 and the clamping cover 110, so that the raw material is fixed; a worker can enable the installation shell 101 fixed on the connecting rod 201 to move along by rotating the connecting rod 201, and after the position of the installation shell 101 is adjusted, the connecting rod 201 can be fixed through the sleeve 203 and the telescopic rod 202; due to the existence of the baffle 204, the first return spring 205 and the limiting rod 206 in the sleeve, the telescopic rod 202 can be clamped at the baffle 204, and the limiting of the telescopic rod 202 can be released only by taking out the limiting rod 206, so that the connecting rod 201 is fixed through the telescopic rod 202, and the purpose of adjusting the height of the installation shell 101 is further realized; the belt-shaped polytetrafluoroethylene raw material is heated by a heating roller 405 to be softened only after a feeding roller 403 enters a heating chamber 401, and internal heat can be prevented from being dissipated by arranging a heat insulation layer 402; at this time, the worker pulls the strip-shaped plate 907 to enable the clamping strip 910 to be located in different gear grooves 909, so that the control ring 906 rotates by different angles, and further adjusts the deformation amount of the resistance spring 904 between the clamp 902 and the control plate 905, and along with the change of the deformation amount of the resistance spring 904, the resistance received by the first inner ratchet wheel 901 during rotation also changes, so that the rotation speed of the feeding roller 403 is influenced, and because the raw material is pulled at the other end, when the rotation speed of the feeding roller 403 changes, the stretched polytetrafluoroethylene film also changes, so that the control device produces polytetrafluoroethylene films with different thicknesses; the finished product is air-cooled by the polytetrafluoroethylene film through a fan 604, an air outlet pipe 603 and an air outlet 602, so that the finished product is rapidly cooled and formed; when the teflon film moves along a normal position, all the infrared receivers 701 can receive infrared signals transmitted by the corresponding infrared transmitters 702, and when the teflon film shifts, the infrared signals transmitted by the infrared transmitters 702 on the shifted side are shielded by the teflon film, so that the corresponding infrared receivers 701 cannot receive signals, at the moment, the electric valves 704 corresponding to the infrared transmitters 702 are opened, and gas in the gas transmission pipeline 703 enters the cavity 705 through the electric valves 704, so that the connecting shaft 706 is pushed until the infrared receivers 701 can normally receive the signals again.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The polytetrafluoroethylene stretcher with the deviation rectifying function is characterized by comprising a heating mechanism (4), wherein the heating mechanism (4) comprises a heating chamber (401) and a heat insulating layer (402) arranged on the side wall of an inner cavity of the heating chamber (401), a feeding roller (403) and a discharging roller (404) are respectively arranged at an inlet and an outlet of the heating chamber (401) in a rotating mode, and a plurality of heating rollers (405) which are rotatably connected with the heating roller are arranged on the upper side and the lower side of the inner cavity of the heating chamber (401) in a staggered mode; two mounting plates (5) fixedly connected with the heating chamber (401) are symmetrically arranged on one side of the outlet of the heating chamber (401), a cooling forming mechanism (6) is arranged on each mounting plate (5), each cooling forming mechanism (6) comprises a plurality of cooling rollers (601) symmetrically arranged between the two mounting plates (5) and a plurality of air outlets (602) arranged on the mounting plates (5), the cooling rollers (601) are divided into two rows and symmetrically arranged on the upper side and the lower side of each mounting plate (5), air outlet pipes (603) communicated with the air outlets (602) are arranged on one side, far away from the cooling rollers (601), of each mounting plate (5), and the air outlet pipes (603) are communicated with a fan (604); the device is characterized in that a deviation rectifying mechanism (7) is further arranged on the mounting plates (5), the deviation rectifying mechanism (7) comprises infrared emitters (702) which are respectively arranged on the two mounting plates (5) and located between one row of cooling rollers (601), an infrared receiver (701) matched with the infrared emitters (702) is arranged between the other row of cooling rollers (601), two ends of each cooling roller (601) are fixedly connected with connecting shafts (706) which are embedded on the mounting plates (5) in a sliding mode, a cavity (705) is arranged on the outer side of each connecting shaft (706), an electric valve (704) is arranged at an opening of each cavity (705), the electric valves (704) are communicated with a gas transmission pipeline (703), and the gas transmission pipeline (703) is communicated with a gas pump (707);

the feeding roller (403) is provided with an adjusting mechanism (9), the adjusting mechanism (9) comprises a first inner ratchet wheel (901) fixedly connected to the outer side of the heating chamber (401) and a rotary table (903) arranged on the inner side of the first inner ratchet wheel (901) and fixedly connected with the feeding roller (403), the rotary table (903) is rotatably connected with a plurality of clips (902) capable of only rotating towards one direction, the rotary table (903) is rotatably connected with a control ring (906), the control ring (906) is provided with control plates (905) corresponding to the clips (902) one by one, a resistance spring (904) is arranged between the control plate (905) and the clips (902), the control ring (906) is fixedly connected with a strip-shaped plate (907), the strip-shaped plate (910) is provided with a clamping strip (910), a pipeline on the heating chamber (401) is connected with a gear plate (908) corresponding to the clamping strip (910), the gear plate (908) is provided with a plurality of gear grooves (909).

2. The polytetrafluoroethylene stretcher with the function of rectifying deviation as recited in claim 1, wherein an unwinding mechanism (1) is disposed at a position corresponding to the entrance outside said heating chamber (401), said unwinding mechanism (1) comprises a mounting housing (101), a unwinding disc (102) rotatably connected to the mounting housing (101) and a fixing shaft (103) fixedly connected to the unwinding disc (102), and a clamping cover (110) is disposed at a side of said fixing shaft (103) far away from the unwinding disc (102).

3. The polytetrafluoroethylene stretcher with the function of rectifying deviation according to claim 2, wherein a plurality of clamping tongues (111) are arranged on the inner side of the clamping cover (110), the fixed shaft (103) is provided with an opening (108) matched with the clamping tongues (111), and a clamping groove (109) is arranged on the inner side of the opening (108).

4. The polytetrafluoroethylene stretcher with the function of rectifying deviation according to claim 2, wherein a plurality of arc-shaped fixing plates (104) are arranged on the outer side of the fixing shaft (103), a fixing spring (105) is arranged between the fixing plate (104) and the fixing shaft (103), a connecting block (107) which penetrates through the unwinding disc (102) and is in sliding connection with the unwinding disc (102) is fixedly connected to one side of the fixing plate (104) close to the unwinding disc (102), and a limiting groove (106) which is matched with the connecting block (107) is arranged on the unwinding disc (102).

5. The polytetrafluoroethylene stretcher with the deviation rectifying function according to claim 1, wherein a guiding mechanism (3) is arranged at the entrance and exit of the heating chamber (401), the guiding mechanism (3) comprises guiding blocks (301) fixedly connected to the entrance and exit of the heating chamber (401), the guiding blocks (301) are hollow and provided with channels (302) corresponding to the entrance and exit of the heating chamber (401), and a plurality of guiding rollers (303) rotatably connected with the guiding blocks (301) are symmetrically arranged on the upper and lower sides of the channels (302).

6. A PTFE stretching machine with deviation rectifying function according to claim 5, a lifting mechanism (2) is arranged between the guide block (301) and the mounting shell (101), the lifting mechanism (2) comprises a connecting rod (201) which is rotationally connected with the side wall of the heating chamber (401), the free end of the connecting rod (201) is fixedly connected below the mounting shell (101), the bottom of the guide block (301) is also rotatably connected with a sleeve (203), an expansion link (202) is embedded in the sleeve (203) in a sliding way, a plurality of baffles (204) are rotatably connected in the sleeve (203), a first return spring (205) is arranged on one side of the baffle plate (204) close to the guide block (301), and a limiting rod (206) which penetrates through the sleeve (203) and is in sliding connection with the sleeve is arranged on the other side of the baffle (204).

7. The polytetrafluoroethylene drawing machine with the deviation rectifying function according to claim 2, wherein a rotation preventing mechanism (11) is arranged on the unwinding disc (102), the rotation preventing mechanism (11) comprises a mounting shaft (1106) fixedly connected to the mounting housing (101) and a second inner ratchet (1102) arranged outside the mounting shaft (1106) and fixedly connected to the unwinding disc (102), a mounting ring (1103) is further arranged between the mounting shaft (1106) and the second inner ratchet (1102), a plurality of pawls (1104) are rotatably connected to the mounting ring (1103), a second return spring (1105) and a stop lever (1107) are respectively arranged on two sides of each pawl (1104), the stop lever (1107) penetrates through the mounting ring (1103) and is rotatably connected to the mounting shaft (1106), and a knob (1101) is further arranged on the mounting shaft (1106).

8. The polytetrafluoroethylene stretcher with the rectification function according to claim 1, wherein a winding mechanism (8) is arranged on the mounting plate (5), the winding mechanism (8) comprises a winding motor (801) fixedly connected to the mounting plate (5), an output end of the winding motor (801) is fixedly connected to a winding disc (802), a plurality of arc-shaped winding plates (803) are fixedly connected to the winding disc (802), and an anti-falling block (804) is arranged at an end of each winding plate (803) far away from the winding disc (802).

9. The polytetrafluoroethylene stretcher with the deviation rectifying function according to claim 1, wherein a supporting mechanism (10) is disposed at the bottom of the heating chamber (401), the supporting mechanism (10) comprises a base (1003) disposed at the bottom of the heating chamber (401) and a buffer rod (1001) disposed between the base (1003) and the heating chamber (401), a buffer spring (1002) is further disposed outside the buffer rod (1001), and two ends of the buffer spring (1002) are respectively fixedly connected to the bottom of the heating chamber (401) and the base (1003).