Transverse drawing machine box body with bottom access door

Abstract

The utility model discloses a horizontal drawing machine box body with a bottom access door, which comprises a horizontal drawing box body and a heating system, the heating system comprises a far infrared ceramic heating plate arranged in the horizontal drawing box body, a support frame is arranged at the bottom of the horizontal drawing box body, and an access space is arranged between a bottom plate of the horizontal drawing box body and the ground below the bottom plate. A plurality of bottom access holes are formed in a bottom plate of the transverse pull box body, and bottom access doors capable of being opened and closed in a sealed mode are arranged at the access holes. According to the scheme, the far infrared ceramic heating plate is adopted, so that better heating efficiency and effect are achieved; the access door is arranged at the bottom of the box body, a worker can stretch into the box body in a standing posture to conduct cleaning and other work, cleaning of attachments on the inner wall of the box body is more convenient and efficient, and meanwhile cleaning, overhauling and the like can be conveniently conducted on the far infrared ceramic heating plate; according to the scheme, the equipment overhauling and preheating time is shortened, and the working efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of film manufacturing equipment, and concretely relates to a transverse drawing machine box body with a bottom access door. BACKGROUND

[0002] The existing transverse drawing machine (referred to as a transverse drawing machine) such as the Chinese invention patent with the application publication number CN117754883A, the transverse drawing machine mainly includes a transverse drawing machine box body, a conveying system and a heating system. The film is stretched in the transverse direction in the transverse drawing machine and simultaneously undergoes imidization reaction at high temperature. The existing equipment generally adopts an electric heating tube mode for heating, and there are problems of slow heating speed and low heating efficiency. In addition, for the process of producing polyimide film by chemical method, due to the evaporation of chemical solvent, it is easy to form attached dirt at positions such as the side surface and the bottom surface in the transverse drawing machine box body. In the existing equipment, an access door is generally arranged at the side surface, and the worker can put his body into the box body to clean, but this cleaning mode is inconvenient and time-consuming and laborious. SUMMARY

[0003] The utility model solves the technical problems that the utility model provides a transverse drawing machine box body with a bottom access door, solves the problems of poor heating efficiency and inconvenient cleaning in the existing equipment, sets an access door at the bottom of the box body to facilitate maintenance, and adopts a heating plate mode to improve the working efficiency of the equipment as a whole.

[0004] According to the technical scheme of the utility model, the utility model provides a transverse drawing machine box body with a bottom access door, which comprises a transverse drawing machine box body and a heating system. The heating system comprises a far-infrared ceramic heating plate arranged in the transverse drawing machine box body. A support frame is arranged at the bottom of the transverse drawing machine box body. The bottom plate of the transverse drawing machine box body and the ground below the bottom plate have a maintenance space. A plurality of bottom access openings are arranged in the bottom plate of the transverse drawing machine box body. An access door capable of being opened and sealed closed is arranged at the bottom access opening.

[0005] Further, a plurality of transparent observation windows are arranged at the side surface of the transverse drawing machine box body. Alternatively, a plurality of side operation doors are arranged at the side surface of the transverse drawing machine box body. Alternatively, a plurality of side operation doors are arranged at the side surface of the transverse drawing machine box body, and a transparent observation window is fixedly arranged on the side operation door.

[0006] Further, the far-infrared ceramic heating plate is located at the top of the internal space of the transverse drawing machine box body.

[0007] Further, the far-infrared ceramic heating plate is of a modularized splicing structure and has a plurality of heating modules. Each heating module is independently connected with a temperature measuring device and a temperature control device to divide a plurality of temperature zones capable of being independently controlled in a grid-shaped arrangement in the transverse drawing machine box body.

[0008] Further, the bottom access door is hinged with the bottom access hole at one side, a rope is connected with the bottom access door at the side away from the hinged position, the rope is connected with a counterweight through a pulley assembly, and the counterweight is located below the horizontal pulling box body; the pulley assembly at least includes one fixed pulley, and the rotating shaft position of the fixed pulley is fixed with the bottom plate of the horizontal pulling box body.

[0009] Further, the pulley assembly further includes a pulley set fixing seat, one or more fixed pulleys are arranged on the pulley set fixing seat, and the pulley set fixing seat is fixedly connected with the bottom plate of the horizontal pulling box body; a rope connecting seat is arranged on the bottom access door, a guide pulley is arranged on the rope connecting seat, the counterweight is provided with a counterweight movable pulley, one end of the rope is fixedly connected with the rope connecting seat, and the other end of the rope sequentially passes through the guide pulley, the fixed pulley and the counterweight movable pulley and is fixedly connected with the pulley set fixing seat.

[0010] Further, a counterweight guide portion is arranged below the horizontal pulling box body, and the counterweight is connected with the counterweight guide portion in a vertically slidable manner.

[0011] Further, the bottom access hole and the bottom access door are square, the hinged position of the bottom access door and the bottom access hole is located at one side of the square, and the position of the rope connected with the bottom access door is located at one corner of the square.

[0012] Further, the hinged position of the bottom access door and the bottom access hole is located outside the horizontal pulling box body, and the bottom access door is provided with a heat insulation sealing portion on the side facing the horizontal pulling box body; the bottom plate of the horizontal pulling box body is provided with a heat insulation sealing structure at the positions outside the bottom access hole.

[0013] Further, a handle and a bottom access door lock are arranged on the bottom access door, and the horizontal pulling box body is provided with a locking member matched with the bottom access door lock.

[0014] Compared with the prior art, the horizontal pulling box body of the horizontal pulling machine provided by the present application has the following beneficial technical effects:

[0015] The horizontal pulling machine box body with the bottom access door provided by the present application adopts a far infrared ceramic heating plate, has better heating efficiency and effect, and has the advantages that the bottom access door is arranged at the bottom of the box body, a worker can stand and enter the box body to clean and work, the cleaning of the attachments on the inner wall of the box body is more convenient and efficient, and the far infrared ceramic heating plate can be conveniently cleaned and maintained, and the multiple access doors arranged on the side and the bottom facilitate rapid cooling after shutdown and faster access of the worker for maintenance. Therefore, the present application shortens the equipment maintenance and preheating time and significantly improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a cross-sectional structural schematic view of the horizontal pulling box body provided by the present application.

[0017] Figure 2 It is the external structure schematic diagram of the transverse pull box body provided by the utility model.

[0018] Figure 3 It is the sectional structure schematic diagram of the bottom access door and the transverse pull box body provided by the utility model.

[0019] Figure 4 It is the three-dimensional structure schematic diagram of the bottom access door part provided by the utility model.

[0020] Explanation of reference numerals in the drawings:

[0021] 1, transverse pull box body; 2, bottom access door; 3, rope; 4, counterweight; 5, fixed pulley; 6, pulley block fixing seat; 7, rope connecting seat; 8, guide pulley; 9, counterweight movable pulley; 10, counterweight guide part; 11, heat insulation sealing part; 12, handle; 13, far infrared ceramic heating plate; 14, support frame; 15, observation window; 16, side operation door; 17, temperature measuring device. Specific implementation

[0022] The utility model provides a kind of transverse pull machine box body with bottom access door, solve the problem, such as poor heating efficiency and inconvenient cleaning in existing equipment, by being provided with access door to more conveniently overhaul maintenance in the bottom of box body, and using heating plate mode, to improve the working efficiency of equipment as a whole.

[0023] Please refer to Figure 1 The utility model provides a kind of transverse pull machine box body with bottom access door, including transverse pull box body 1 and heating system etc., wherein heating system includes far infrared ceramic heating plate 13 being set in transverse pull box body 1, compared with the efficiency of higher existing electric heating tube heating system, and heating effect is better.

[0024] Please refer to Figure 2 A plurality of side operation doors 16 are provided on the side of transverse pull box body 1, and transparent observation window 15 can be fixedly provided on side operation door 16. Or in another embodiment, a plurality of transparent observation windows 15 are provided on the side of transverse pull box body 1. Or in some embodiments, a plurality of side operation doors 16 are provided on the side of transverse pull box body 1. Preferably, transparent observation window 15 is provided, which can facilitate the observation of the internal condition of the box. The setting of side operation door 16 can facilitate the installation of film on the chain clamp and facilitate the observation of the internal condition of the box. At the same time, the design of multiple side operation doors also facilitates rapid cooling after shutdown. The use of far infrared ceramic heating plate mode greatly reduces the overall height of the box, and different types of edge heat preservation measures may be provided on the side of transverse pull box body, such as side steel plate or edge heating device. The space entered by side operation door is limited and cannot completely undertake the function of access door.

[0025] Based on the above-mentioned side door position limit, the bottom of the horizontal pulling box body 1 is provided with a support frame 14, or also has a pit, so that there is a maintenance space between the bottom plate of the horizontal pulling box body 1 and the ground below the bottom plate. A plurality of bottom maintenance openings are opened in the bottom plate of the horizontal pulling box body 1, and a bottom maintenance door 2 capable of being opened and sealed closed is arranged at the maintenance opening. The size of the maintenance space can meet the opening of the bottom maintenance door 2 and facilitate the entry and exit of personnel. For the existing horizontal pulling machine, the outside of the horizontal pulling box body 1 also has a conveying chain clamp and other structures, so that the maintenance from the bottom maintenance door 2 is more convenient than the relatively common side maintenance method.

[0026] The side door is a side door, and the observation window is an observation window. More specifically, the far-infrared ceramic heating plate 13 is located at the top of the internal space of the horizontal pulling box body 1, and the film is located directly below the far-infrared ceramic heating plate 13 when conveying in the horizontal pulling box body 1. When maintaining, the worker enters the bottom maintenance opening, and can perform maintenance and other operations on the upper far-infrared ceramic heating plate 13.

[0027] Preferably, the far-infrared ceramic heating plate 13 is a modular splicing structure, has a plurality of heating modules, for example, is spliced by a large number of square heating plates, one or more heating plates as a group of heating modules, each group of heating modules is independently connected with a temperature measuring device 17 and a temperature control device, so as to independently measure temperature and control, so as to divide a plurality of temperature zones capable of being independently controlled in the horizontal pulling box body 1. The specific way of grid arrangement is, for example, the top of the horizontal pulling box body 1 is generally rectangular, and the temperature zones are divided in multiple rows and multiple columns in the length and width directions of the rectangle. Thus, as the film progresses, the film sequentially enters each horizontal temperature zone, so as to realize the continuous heating process in stages according to the predetermined temperature and time, and each horizontal temperature zone is divided into a plurality of subdivided temperature zones in the width direction of the box, for example, left, middle and right three subdivided temperature zones, so as to ensure that the temperature of the middle and edge of the film meets the requirements. In the existing equipment, the temperature zones are not divided so finely, which especially easily causes the temperature of the middle of the film to be high and the temperature of the edge to be low, affecting the uniformity of the film quality.

[0028] Please refer to Figure 3 , Figure 4In the preferred embodiment, the bottom access door 2 is hinged to one side of the bottom access opening, and a rope 3 (such as a steel cable or other flexible cable capable of performing the required function) is connected to the side of the access door 2 away from the hinge position. The rope 3 is connected to a counterweight 4 via a pulley assembly, and the counterweight 4 is located below the horizontal pull box 1. The pulley assembly includes at least one fixed pulley 5, and the rotation axis of the fixed pulley 5 is fixed to the bottom plate of the horizontal pull box 1. Thus, the weight of the counterweight 4 can be converted into an upward or upwardly oblique pulling force on the access door 2 via the fixed pulley 5, so as to offset a portion of the weight.

[0029] More specifically, the pulley assembly further includes a pulley set fixing seat 6, and one or more fixed pulleys 5 are arranged on the pulley set fixing seat 6, and the pulley set fixing seat 6 is fixedly connected to the bottom plate of the horizontal pull box 1. A rope connecting seat 7 is arranged on the access door 2, and a guide pulley 8 is arranged on the rope connecting seat 7, and the guide pulley 8 is a fixed pulley arranged on the rope connecting seat 7. The counterweight 4 has a counterweight movable pulley 9, which can be selected as a pulley structure, or can be selected as a smooth ring / hole structure, and any structure capable of functioning as a movable pulley. One end of the rope 3 is fixedly connected to the rope connecting seat 7, and the other end of the rope 3 is sequentially connected to the guide pulley 8, the fixed pulley 5, and the counterweight movable pulley 9, and then fixedly connected to the pulley set fixing seat 6.

[0030] The working process of the present scheme is as follows. Preferably, the counterweight 4 and the pulley assembly only offset a portion of the weight of the access door 2, and when the access door 2 is opened downward, the weight of the access door 2 can be used to more easily flip and open the access door 2. As the access door 2 is opened, the connection point of the rope 3 and the access door 2 rotates around the hinge axis of the access door 2, and then the rope 3 pulls the counterweight 4 upward. When the access door 2 is opened to the desired position, such as the edge resting on the ground, the worker can enter the horizontal pull box 1 for maintenance work, and the access door 2 will not be automatically closed due to accidents. When the access door 2 is closed upward, the counterweight 4 and the pulley assembly offset a portion of the weight, so that the closing process is more labor-saving. In the closed state of the access door 2, the counterweight 4 is preferably close to or exactly on the ground (or other support structure). According to the needs, the fixed pulley 5 can be multiple, for example Figure 3 In the embodiment shown, the fixed pulley 5 is two side-by-side pulleys, so that the arrangement of each part of the structure has the required space, and the direction of the force of the rope 3 is adjusted.

[0031] In some preferred embodiments, a counterweight guide 10 is arranged below the horizontal pull box 1, and the counterweight 4 is connected to the counterweight guide 10 in a vertically sliding manner. For example, the counterweight guide 10 includes a vertically arranged cylindrical structure, and the counterweight 4 is arranged in the cylindrical structure of the counterweight guide 10 in a matching manner and is connected to the inner wall of the cylindrical structure in a sliding manner. The counterweight guide 10 is used to limit the displacement of the counterweight 4, avoid the shaking of the heavy counterweight 4, make the opening and closing process of the access door 2 more stable, and avoid safety hazards.

[0032] The counterweight 4 is preferably an adjustable structure, for example, including a vertically arranged bolt, a plurality of sheet-shaped (plate-shaped, pie-shaped) weights with central holes are sleeved on the shank portion of the bolt, and the end of the shank is fixed by a gasket (baffle) and a nut. The bolt is, for example, a lifting eye bolt, and the annular head thereof can serve as the counterweight movable pulley 9.

[0033] The access opening and the access door 2 are, for example, square-shaped, the hinge position of the access door 2 and the access opening is located at one side of the square, and the position of the access door 2 connected to the rope 3 is located at one corner of the square, as shown in the figure, so as to leave enough space for personnel to enter and exit. Figure 4 In some optional embodiments, the pulley assembly and the counterweight are arranged at the middle position of one side of the access door 2, or the pulley assembly and the counterweight are arranged in two or more.

[0034] More specifically, the bottom plate of the horizontal pull box 1 is a heat-insulating and sealing structure at the remaining positions outside the access opening, for example, has two or more thermal insulation layers and a steel plate to ensure the structural strength; the hinge position of the access door 2 and the access opening is located at the outside of the horizontal pull box 1, and the access door 2 has a heat-insulating and sealing part 11 on the side facing the inside of the horizontal pull box 1, which includes, for example, a thermal insulation layer structure and a sealing strip, and is located in the access opening and abuts against the access opening to seal when the access door is closed, forming a complete heat-insulating and sealing structure of the bottom of the box. The access door 2 is provided with a handle 12 and an access door lock, and the bottom of the horizontal pull box 1 has a locking member matched with the access door lock; the handle 12 is used to pull and open the access door 2 (there can be a certain negative pressure in the horizontal pull box 1), and the access door lock and the locking member are used to lock the access door 2 when the access door is closed, to avoid accidental opening or poor sealing. It can be understood that the side surface of the horizontal pull box and the side surface operation door also have such a structure to ensure the heat-insulating and sealing effect.

[0035] In summary, the horizontal pull machine box body with bottom manhole of the utility model adopts far infrared ceramic heating plate, has better heating efficiency and effect; the manhole is set on the bottom of the box body innovatively, the staff can probe into the box body to clean and work in standing posture, the cleaning of the attachments on the inner wall of the box body is more convenient and efficient, and the far infrared ceramic heating plate is also convenient to clean and maintain; in addition, the setting of the multiple manholes on the side and the bottom facilitates rapid cooling after shutdown, and the state that the staff can enter for maintenance is reached more quickly. Therefore, the scheme realizes the shortening of equipment maintenance and preheating time, and significantly improves the work efficiency. In addition, the bottom manhole adopts the mode that one side is hinged and the other side is provided with a counterweight and a pulley set, a labor-saving lever structure is formed, and a part of the gravity of the manhole is offset by the counterweight; when the manhole is opened, the lock is opened and the handle is pulled, and the manhole is easy to open under the action of gravity, and it is not difficult to control due to its excessive weight; when the manhole is closed, the manhole is lifted and closed more labor-savingly due to the action of the counterweight and the pulley assembly, and then the lock is locked, the problem that the manhole is difficult to close due to its excessive weight is avoided, and single-person operation can be realized.

Claims

1. A horizontal pull cabinet with a bottom access door, comprising a horizontal pull cabinet (1) and a heating system, characterized in that, The heating system comprises a far-infrared ceramic heating plate (13) arranged in a horizontal pulling box (1), a supporting frame (14) arranged at the bottom of the horizontal pulling box (1), a maintenance space between the bottom plate of the horizontal pulling box (1) and the ground below the bottom plate, and a plurality of bottom maintenance openings formed in the bottom plate of the horizontal pulling box (1), wherein a bottom maintenance door (2) capable of being opened and sealed closed is arranged at the bottom maintenance openings.

2. The side-puller chest with bottom access door according to claim 1, characterized in that, A plurality of transparent observation windows (15) are arranged on the side of the horizontal pulling box (1); or a plurality of side operation doors (16) are arranged on the side of the horizontal pulling box (1); or a plurality of side operation doors (16) are arranged on the side of the horizontal pulling box (1) and a transparent observation window (15) is fixedly arranged on the side operation door (16).

3. The side-puller chest with bottom access door according to claim 1, characterized in that, The far-infrared ceramic heating plate (13) is located at the top of the internal space of the horizontal pulling box (1).

4. The side-puller chest with bottom access door according to claim 1, wherein, The far-infrared ceramic heating plate (13) has a modularized splicing structure and a plurality of heating modules, each of which is independently connected with a temperature measuring device (17) and a temperature control device to divide a plurality of temperature zones capable of being independently controlled in the horizontal pulling box (1).

5. The side-puller cabinet with a bottom access door according to any one of claims 1-4, characterized in that, The bottom maintenance door (2) is hingedly connected with the bottom maintenance opening on one side, a rope (3) is connected with the bottom maintenance door (2) on the side away from the hinged position, the rope (3) is connected with a counterweight (4) through a pulley assembly, and the counterweight (4) is located below the horizontal pulling box (1); at least one fixed pulley (5) is included in the pulley assembly, and the rotation shaft position of the fixed pulley (5) is fixed with the bottom plate of the horizontal pulling box (1).

6. The side-puller chest with bottom access door according to claim 5, characterized in that, The pulley assembly further comprises a pulley set fixing seat (6), one or more fixed pulleys (5) are arranged on the pulley set fixing seat (6), and the pulley set fixing seat (6) is fixedly connected with the bottom plate of the horizontal pulling box (1); a rope connecting seat (7) is arranged on the bottom maintenance door (2), a guide pulley (8) is arranged on the rope connecting seat (7), the counterweight (4) has a counterweight movable pulley (9), one end of the rope (3) is fixedly connected with the rope connecting seat (7), and the other end of the rope (3) is fixedly connected with the pulley set fixing seat (6) in sequence through the guide pulley (8), the fixed pulley (5) and the counterweight movable pulley (9).

7. The side-hinged drawer chest according to claim 5, wherein, A counterweight guide portion (10) is arranged below the horizontal pulling box (1), and the counterweight (4) is connected with the counterweight guide portion (10) in a vertically slidable manner.

8. The side-puller chest with bottom access door according to claim 5, wherein, The bottom maintenance opening and the bottom maintenance door (2) are square, the hinged position of the bottom maintenance door (2) and the bottom maintenance opening is located on one side of the square, and the position of the bottom maintenance door (2) connected with the rope (3) is located at a corner of the square.

9. The side-hinged drawer of claim 5, wherein, The hinged position of the bottom maintenance door (2) and the bottom maintenance opening is located on the outside of the horizontal pulling box (1), and the bottom maintenance door (2) has a heat insulation sealing portion (11) on the side facing the horizontal pulling box (1); the bottom plate of the horizontal pulling box (1) is a heat insulation sealing structure at the positions other than the bottom maintenance opening.

10. The side-puller chest with bottom access door according to claim 5, wherein, A handle (12) and a bottom maintenance door lock are arranged on the bottom maintenance door (2), and the horizontal pulling box (1) has a locking member matched with the bottom maintenance door lock.

Images