High-temperature sintering furnace door-opening-free film leading and spinning-in device and film drawing equipment thereof

Abstract

The utility model relates to the field of film drawing equipment, and provides a high-temperature sintering furnace door-opening-free film leading and spinning-in device and film drawing equipment thereof, which comprise a film leading motor, a driving chain wheel and a driven chain wheel, namely a conveying chain, the film leading motor is arranged on the support body and is positioned outside the furnace body; the driving chain wheel is arranged on an output shaft of the film leading motor and is positioned outside the furnace body; the driven chain wheel is rotatably mounted on the supporting body; according to the utility model, the high-temperature sintering furnace door-opening-free film leading and spinning-in device is additionally arranged on the original film drawing equipment, so that the purpose of completing jointing without opening a safety door is achieved; the conveying chain in the door-opening-free film leading and making-up device of the high-temperature sintering furnace drives the belt end to penetrate through the furnace body and is wound on the peripheral side of the film drawing rollers in the furnace body, the desire that the belt end of a PTFE raw material belt is mechanically driven to be sequentially wound on the multiple film drawing rollers in the furnace body is achieved, manual leading is replaced, manpower is saved, and the film drawing efficiency is improved; meanwhile, mechanical operation and production are safer and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a draw film equipment field especially points to a kind of high-temperature sintering furnace free door leading film head device and its draw film equipment. BACKGROUND

[0002] PTFE is a kind of high molecular material with excellent performance, but due to its own characteristics, direct use of virgin PTFE material may have limitations in some applications, by draw film process, the performance of PTFE can be significantly improved, and its application field is expanded.

[0003] The existing high-temperature draw film machine on the market will have a film breakage phenomenon during the draw film process, and when the film breakage occurs, the door of the furnace needs to be opened for repair. Since the temperature inside the furnace body of the draw film machine is extremely high, manual use of a pick rod is required to re-lap the broken film onto the rollers inside the furnace body. The above process consumes a lot of manpower, delays production, and has safety hazards. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of high-temperature sintering furnace free door leading film head device and its draw film equipment, by increasing high-temperature sintering furnace free door leading film head device on original draw film equipment, the purpose of completing joint without opening safety door is realized. At the same time, the leading film holding rod in the high-temperature sintering furnace free door leading film head device is driven by the conveying chain to penetrate the furnace body and wrap around the outer circumferential side of the draw film roller arranged inside the furnace body. The vision of the end of the PTFE raw material belt driven by the machine is sequentially wound around the multiple draw film rollers inside the furnace body, replacing manual leading, greatly saving manpower and effectively improving draw film efficiency. At the same time, mechanical operation does not need to open the safety door, and production is safer and more reliable.

[0005] The technical solution of the utility model is as follows:

[0006] A high-temperature sintering furnace free door leading film head device is installed on a draw film equipment. The draw film equipment includes a support body and a furnace body. The furnace body is installed on the support body. A safety door is installed on the furnace body.

[0007] The high-temperature sintering furnace free door leading film head device is installed on the support body and penetrates the furnace body.

[0008] Further, the device includes a leading film motor, a driving sprocket, an auxiliary sprocket, a driven sprocket, a conveying chain, and a leading film holding rod.

[0009] The leading film motor is installed on the support body and located outside the furnace body.

[0010] The driving sprocket is installed on the output shaft of the leading film motor and located outside the furnace body.

[0011] The driven chain wheel and the auxiliary chain wheel are rotatably installed on the support body, the driven chain wheel is located outside the furnace body, and the auxiliary chain wheel is located inside the furnace body.

[0012] The conveying chain is cyclically engaged with the driving chain wheel, the auxiliary chain wheel and the driven chain wheel.

[0013] The furnace body is provided with a film pulling roller, and the auxiliary chain wheel is arranged adjacent to the film pulling roller.

[0014] The film leading holding rod is installed on the conveying chain.

[0015] The support body is provided with a raw material roller on which a PTFE raw material belt is placed, and is also provided with a material forming roller, the ends of the PTFE raw material belt are attached to the film leading holding rod, the film leading holding rod drives the PTFE raw material belt to be wound on the film pulling roller and to pass through the furnace body.

[0016] Further, the film leading holding rod and the film pulling roller are always parallel to each other.

[0017] Further, the film pulling roller is provided with a plurality of rollers.

[0018] Correspondingly, the auxiliary chain wheel is provided with a plurality of auxiliary chain wheels.

[0019] The plurality of auxiliary chain wheels are dispersedly installed around the plurality of film pulling rollers.

[0020] The track formed by the conveying chain around the auxiliary chain wheel is sequentially passed by the outer circumferential side of the plurality of film pulling rollers.

[0021] Further, the proximity switch is also included.

[0022] The proximity switch is installed on the support body, and the proximity switch is arranged adjacent to the conveying chain.

[0023] Further, the proximity switch is provided with one or more.

[0024] The plurality of proximity switches are dispersedly installed around the running track of the conveying chain.

[0025] Further, the feeding end and the discharging end of the furnace body are both provided with a feeding port, the feeding port is provided with wear-resistant rollers on the inner and outer sides and aligned up and down, and the PTFE raw material belt passes through the middle of the wear-resistant rollers arranged on the upper and lower sides.

[0026] Further, a film pulling equipment includes the high-temperature sintering furnace door-free film leading head device.

[0027] This invention adds a high-temperature sintering furnace door-free film-forming device to the existing film-forming equipment, achieving the goal of completing the joint without opening the safety door. Simultaneously, the film-forming gripping rod in the high-temperature sintering furnace door-free film-forming device is driven by a conveyor chain through the furnace body and wraps around the outer periphery of the film-forming rollers inside the furnace. This realizes the vision of mechanically driving the end of the PTFE raw material belt to sequentially wrap around multiple film-forming rollers inside the furnace, replacing manual leading, greatly saving manpower, and effectively improving film-forming efficiency. Furthermore, the mechanical operation eliminates the need to open the safety door, making production safer and more reliable. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a simplified front view of a high-temperature sintering furnace door-free film-forming device and its film-drawing equipment according to a specific embodiment of this utility model;

[0030] Figure 2 for Figure 1 The diagram shows the positional relationship between the high-temperature sintering furnace door-free film-forming device and the film-drawing roller;

[0031] Figure 3 for Figures 1-3 The diagram shows a partial structural schematic of a door-free film-forming device for a high-temperature sintering furnace.

[0032] Figure 4 for Figure 1 The left view shows a high-temperature sintering furnace door-free film-forming head device and its film-stretching equipment.

[0033] Figure 5 for Figure 2 The diagram shows the structure of the film-drawing roller;

[0034] Explanation of reference numerals in the attached drawings: Film pulling equipment 1; Support body 11; Furnace body 12; Feed port 121; Anti-wear roller 122; Safety door 13; Film pulling roller 14; Raw material roller 15; Forming roller 16; First proximity switch 17; Second proximity switch 18; High-temperature sintering furnace door-free film raising device 2; Film pulling motor 21; Drive sprocket 22; Auxiliary sprocket 23; Driven sprocket 24; Conveyor chain 25; Film pulling gripping rod 26. Detailed Implementation

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] In the specific embodiments of the utility model, see Figure 1 、 Figure 2 、 Figure 4 、 Figure 5 A film drawing equipment 1 is used to stretch and thin PTFE raw material belt to meet customer demand.

[0037] The film drawing equipment 1 comprises a support body 11 and a furnace body 12, the furnace body 12 is installed on the support body 11, a safety door 13 is installed on the furnace body 12, a film drawing roller 14 is installed in the furnace body 12, the film drawing roller 14 is installed on the support body 11, a raw material roller 15 is installed on the support body 11, a PTFE raw material belt is placed on the raw material roller 15, a material forming roller 16 is further arranged on the support body 11, and a feeding port 121 is arranged on the feeding end and the discharging end of the furnace body 12.

[0038] The normal film drawing process is as follows: before starting, the safety door is opened, the belt end on the PTFE raw material belt is manually inserted into the furnace body 2 through the feeding port on the left side, then sequentially winds around the multiple film drawing rollers 14 arranged in the furnace body 2, then is drawn out of the furnace body through the feeding port on the right side, and finally is attached to the material forming roller 16; during the above process, the film drawing roller is started to perform film drawing work; if breakage occurs during the film drawing process, the above process needs to be repeated manually.

[0039] Since the PTFE raw material belt needs to be stretched in the high-temperature environment in the furnace body 12, when breakage occurs during the stretching process, the safety door 13 needs to be opened, and the broken end of the PTFE raw material belt is manually wound around the film drawing roller 14 and drawn out of the furnace body 12 by using a picking rod, and finally is wound on the material forming roller 16; firstly, the manual material receiving efficiency is low, which seriously affects the production efficiency; secondly, the high-temperature environment in the furnace body 12 needs to be overcome, which causes certain safety hazards; and manual operation needs to wait until the temperature in the furnace body 12 is reduced to the tolerance, which takes a long time and affects the normal film drawing work.

[0040] Based on the above reasons, the high-temperature sintering furnace door-free film drawing head generating device 2 is additionally arranged on the basis of the original equipment.

[0041] In the specific embodiments of the utility model, see Figures 1-4 , specifically see Figure 1 、 Figure 2The high-temperature sintering furnace door-free film leading and head forming device 2 is installed on the support body 11 of the film drawing equipment 1 and penetrates through the furnace body 12, and when the PTFE raw material belt is broken, the broken head of the PTFE raw material belt is driven into the furnace body 12, and finally the PTFE raw material belt is wound on the film drawing roller 14; therefore, the safety door 13 does not need to be opened, the safety is greatly improved; meanwhile, the machine replaces the manual work, and the receiving efficiency is improved without waiting for cooling, and the film drawing efficiency is improved.

[0042] In the specific embodiments of the utility model, see Figures 1-4 A high-temperature sintering furnace door-free film leading and head forming device 2, and the specific structure comprises a film leading motor 21, a driving sprocket 22, an auxiliary sprocket 23, a driven sprocket 24, a conveying chain 25 and a film leading holding rod 26.

[0043] Further, the film leading motor 21 is detachably installed on the support body 11 through the cooperation of a motor base and bolts, and the film leading motor 21 is located outside the furnace body 12, so that the film leading motor 21 is not affected by the high temperature in the furnace body and the service life is guaranteed, and when the PTFE raw material belt is broken, the film leading motor 21 starts to work.

[0044] Further, the driving sprocket 22 is sleeved on the output shaft of the film leading motor 21 through a shaft coupling and is located outside the furnace body 12, and when the film leading motor 21 works, the output shaft of the film leading motor 21 drives the driving sprocket 22 to rotate synchronously; the driven sprocket 24 and the auxiliary sprocket 23 are rotatably installed on the support body 11 through bearings; the conveying chain 25 is in circulation with the driving sprocket 22, the auxiliary sprocket 23 and the driven sprocket 24, that is, the driving sprocket 22, the auxiliary sprocket 23 and the driven sprocket 24 drive the conveying chain 25 to rotate in circulation, and further drive the following film leading holding rod 26 to rotate in circulation.

[0045] Further, the film leading holding rod 26 is installed on the conveying chain 25, and the film leading holding rod 26 can be installed on the conveying chain 25 in a bolt and screw hole connection mode or a welding mode, the end of the PTFE raw material belt (the end can be the starting end of the PTFE raw material belt or the shearing head after the PTFE raw material belt is broken) is attached to the film leading holding rod 26, the film leading holding rod 26 drives the PTFE raw material belt to be arranged on the film drawing roller 14 and penetrate through the furnace body 12; the function of the film leading holding rod 26 is to drive the end of the PTFE raw material belt to penetrate into the furnace body 2, to arrange the PTFE raw material belt on the film drawing roller 14 in the furnace body 2 and to finally penetrate out of the furnace body 2.

[0046] The conveying chain 25 drives the film leading holding rod 26 to move in a cycle during the cycle movement, so that the film leading holding rod 26 can drive the broken end of the PTFE raw material belt to pass through the furnace body 12 under the condition that the safety door 13 is closed;

[0047] Further, see Figure 2 、 Figure 3 The driven sprocket 24 is located outside the furnace body 12, and the driving sprocket 22 and the driven sprocket 24 jointly form a cycle movement track of the conveying chain 25 outside the furnace body 12, so as to ensure that the movement of the film leading holding rod 26 is cyclically forward;

[0048] The auxiliary sprocket 23 is located inside the furnace body 12, and the auxiliary sprocket 23 provides support for the movement track of the conveying chain 25 inside the furnace body 12, the auxiliary sprocket 23 is arranged adjacent to the film drawing roller 14, and the structure between the auxiliary sprocket 23 and the film drawing roller 14 is not limited to each other.

[0049] In the specific embodiment of the utility model, see Figures 1-5 The film leading holding rod 26 and the film drawing roller 14 are always parallel to each other (ignoring the inclination caused by vibration);

[0050] The movement track of the film leading holding rod 26 is consistent with the movement track of the PTFE raw material belt during the film drawing process, so as to ensure that the film leading holding rod 26 can drive the belt end of the PTFE raw material belt to pass through the film drawing roller 14, therefore, the film leading holding rod 26 is arranged to be always parallel to the film drawing roller 14, and the film drawing roller 14 and the film leading holding rod 26 are both cylindrical;

[0051] Meanwhile, in order to ensure the stability of the film leading holding rod 26 during movement and the stability of the traction of the PTFE raw material belt, two sets of conveying chains 25 can be arranged, and corresponding driving sprockets 22, driven sprockets 24 and auxiliary sprockets 23 are matched.

[0052] In the specific embodiment of the utility model, see Figure 2 、 Figure 5 In order to ensure the success of the film drawing of the PTFE raw material belt once, a plurality of film drawing rollers 14 are arranged in the furnace body 12, that is, the PTFE raw material belt is stretched and thinned step by step in the furnace body 12;

[0053] In order to match the film drawing roller 14 and ensure that the belt end of the PTFE raw material belt can accurately drive the PTFE raw material belt to be arranged on the film drawing roller 14, a plurality of auxiliary sprockets 23 are arranged in the furnace body 12;

[0054] A plurality of auxiliary sprockets 23 are installed around the plurality of film pulling rollers 14, and the number of the auxiliary sprockets 23 is determined according to the number of the film pulling rollers 14, some of the film pulling rollers need to be equipped with one auxiliary sprocket, and some of the film pulling rollers need to be equipped with two auxiliary sprockets, which is adjusted according to the actual situation such as the number and position of the film pulling rollers 14;

[0055] The conveying chain 25 is sequentially wound around the outer circumferential side of the plurality of film pulling rollers 14 along the track formed by the auxiliary sprockets 23;

[0056] The track formed by the auxiliary sprockets 23 is the running track of the film leading holding rod 26.

[0057] In the specific embodiment of the utility model, see Figures 1-5 , see Figures 1-4 The driven sprocket 24 is provided with three, two of which are located on the left side, and one is located on the right side with the driving sprocket 22, and the three driven sprockets 24 and the driving sprocket 22 provide a quadrilateral running track for the conveying chain 25, so that the uplink and downlink of the running track are separated by a certain distance, thereby realizing the continuous circulation track from the inside to the outside of the furnace body 12 and from the outside to the inside of the furnace body 12; That is, the film picking shaft 26 enters the furnace body 12 from the left side of the furnace body 12, and after coming out from the right side of the furnace body 12, it circulates back to the original position from the bottom of the furnace body 12.

[0058] In the specific embodiment of the utility model, see Figures 1-5 , see Figures 1-4 Further, the proximity switch is provided with one or more;

[0059] Further, the proximity switch is provided with one or more;

[0060] A plurality of proximity switches are installed around the running track of the conveying chain 25;

[0061] Currently, two proximity switches are arranged, which are a first proximity switch 17 on the left and a second proximity switch 18 on the right, and in the later stage, the number will be increased or decreased according to the adjustment mode, and currently, the two are arranged near the feeding ports 121 at both ends of the furnace body 12, that is, the left and right positions shown in the drawings, wherein the left position of the furnace body 12 is the starting position of the film leading holding rod 26, when the PTFE raw material belt is broken, the connection at both ends of the furnace body 12 is manually cut off, and the broken material is pulled out from the feeding ports 121 at both ends, and at the same time, the belt end of the new PTFE raw material belt is attached to the film leading holding rod 26, the film leading motor 21 is started, the film leading motor 21 drives the driving sprocket 22 to rotate, and then drives the conveying chain 25 to rotate, and finally drives the film leading holding rod 26 to move, so that the PTFE raw material belt is sequentially arranged on the corresponding film pulling roller 14; when the film leading holding rod 26 passes out of the furnace body 2, the second proximity switch 18 on the right senses the film leading holding rod 26, the film leading motor 21 is turned off, and then the belt end of the PTFE raw material belt after film pulling is arranged on the material forming roller 16, and then the film pulling equipment operates normally; at the same time, the film leading motor 21 works again, drives the film leading holding rod 26 to continue to advance, until the first proximity switch 17 on the left senses the film leading holding rod 26, the film leading motor 21 stops working, and the film leading holding rod 25 returns to the original position.

[0062] In the specific embodiment of the utility model, see Figures 1-5 , because the feeding port 121 is a long and flat opening arranged at the left and right sides of the furnace body 12, the furnace body 12 is made of metal, and therefore there is a possibility of wear, and the thickness of the furnace body 12 is small, and the track of the conveying chain 25 is not horizontal, and therefore the PTFE raw material belt can be stuck at the upper end or the lower end of the feeding port 121, causing wear, in order to ensure that the PTFE raw material belt can enter the furnace body 12 horizontally and prevent wear, the anti-wear rollers 122 are arranged in alignment on the inner and outer sides of the feeding port 121, and the anti-wear rollers 122 are horizontally spaced apart from the furnace body 12, at this time, the PTFE raw material belt passes through the middle of the anti-wear rollers 122 arranged on the upper and lower sides before entering the furnace body 12, which ensures that the film leading holding rod 26 can pass through smoothly and horizontally, effectively prevents wear, and ensures the integrity of the PTFE raw material belt.

[0063] In the specific embodiment of the utility model, see Figures 1-5 , the specific working process is as follows:

[0064] During the operation of the film pulling equipment 1, the PTFE raw material belt in the furnace body 12 is in a film pulling state, due to time errors, speed errors of the film pulling roller 14 and the like, the PTFE raw material belt can be broken during the film pulling process;

[0065] When the film pulling equipment 1 operates normally, the film leading holding rod 26 is at the original position, that is, at a specified position on the left side of the furnace body 12, that is, at the position where the first proximity switch 17 on the left side is arranged.

[0066] When the breakage occurs, firstly, the PTFE outside both ends of the furnace body 12 is cut off, and the belt end at the left broken end is attached to the film pulling holding rod 26, and then the broken PTFE raw material belt is pulled out through the feeding port 121 on both sides of the furnace body 12;

[0067] Then the film pulling motor 21 is started, the film pulling motor 21 drives the driving sprocket 22 to rotate, and then drives the transmission chain 25, the driven sprocket 24 and the auxiliary sprocket 23 to rotate, and then drives the film pulling holding rod 26 to move along the set track;

[0068] In the moving process of the film pulling holding rod 26, the belt end of the PTFE raw material belt is driven to pass through the feeding port 121 on the left side of the furnace body 12, and then pass through the plurality of film pulling rollers 14 in the furnace body 12 in sequence, and the PTFE raw material belt is attached to the film pulling rollers 14 passed through in sequence when passing through the film pulling rollers 14;

[0069] The film pulling holding rod 26 is pulled out to the outside of the furnace body 12 by the transmission chain 25 from the feeding port 121 on the right side of the furnace body 12;

[0070] After the film pulling holding rod 26 moves to the outside of the furnace body 12, when the second proximity switch 18 on the right side senses the film pulling holding rod 26, the film pulling motor 21 stops running, at this time, the belt end of the PTFE raw material belt is attached to the material forming roller 16 by manual, and the film pulling device 1 is normally operated again;

[0071] Then the film pulling motor 21 is started again, the transmission chain 25 drives the film pulling roller 26 to continue moving forward along the set track (located outside the furnace body 12), until the first proximity switch 17 on the left side senses the film pulling roller 26, the film pulling motor 21 stops working, at this time, the film pulling roller 26 completes a cycle and returns to the original position, waiting for the next traction work.

[0072] In the above process, the safety door 13 does not need to be opened, all operations are outside the furnace body 12, which guarantees the safety of workers;

[0073] And the furnace body 12 does not need to wait for cooling, which improves the work efficiency;

[0074] At the same time, the manual only needs to cut the broken PTFE raw material belt, pull it out of the furnace body 12, and attach the belt end to the film pulling roller 26 and the material forming roller 16, which is simple and efficient, greatly improves the rework efficiency, and further improves the film pulling efficiency.

[0075] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A doorless film-forming device for a high-temperature sintering furnace, installed on a film-forming equipment, the film-forming equipment comprising a support body and a furnace body, the furnace body being installed on the support body, and a safety door being installed on the furnace body; Its features are: The high-temperature sintering furnace doorless film-forming head device is installed on the support body and passes through the furnace body.

2. The high-temperature sintering furnace door-free film-forming device as described in claim 1, characterized in that: Includes a film-drawing motor, a drive sprocket, an auxiliary sprocket, a driven sprocket, a conveyor chain, and a film-drawing gripping rod; The film-drawing motor is mounted on the support body and located outside the furnace body; The drive sprocket is mounted on the output shaft of the film-drawing motor and is located outside the furnace body; Both the driven sprocket and the auxiliary sprocket are rotatably mounted on the support body, with the driven sprocket located outside the furnace body and the auxiliary sprocket located inside the furnace body; The transmission chain simultaneously engages cyclically with the driving sprocket, the auxiliary sprocket, and the driven sprocket; The furnace body is equipped with a film-pulling roller, and the auxiliary sprocket is arranged adjacent to the film-pulling roller; The membrane gripping rod is mounted on the conveyor chain; A raw material roller is installed on the support body, and a PTFE raw material strip is placed on the raw material roller. A forming roller is also provided on the support body. The end of the PTFE raw material strip is attached to the film-drawing gripping rod. The film-drawing gripping rod drives the PTFE raw material strip to wrap around the film-drawing roller and pass through the furnace body.

3. The high-temperature sintering furnace door-free film-forming device as described in claim 2, characterized in that: The film-holding rod is parallel to the film-pulling roller.

4. The high-temperature sintering furnace door-free film-forming device as described in claim 2, characterized in that: Multiple film-drawing rollers are provided; Accordingly, multiple auxiliary sprockets are provided; Multiple auxiliary sprockets are distributed and installed around the multiple film-drawing rollers; The trajectory formed by the conveyor chain winding around the auxiliary sprocket is sequentially passed around the outer periphery of the plurality of film-pulling rollers.

5. The high-temperature sintering furnace door-free film-forming device as described in claim 2, characterized in that: It also includes proximity switches; The proximity switch is mounted on the support body and is arranged adjacent to the conveyor chain.

6. The high-temperature sintering furnace door-free film-forming device as described in claim 5, characterized in that: One or more proximity switches are provided; Multiple proximity switches are distributed and installed around the running track of the conveyor chain.

7. The high-temperature sintering furnace door-free film-forming device as described in claim 2, characterized in that: The furnace body is provided with a feeding port at both the inlet and outlet ends. Anti-wear rollers are provided on both the inner and outer sides of the feeding port, and the PTFE raw material belt passes through the middle of the anti-wear rollers provided on the upper and lower sides.

8. A film stretching device, characterized in that: The invention includes a high-temperature sintering furnace door-free film-forming device as described in any one of claims 1-7.

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