PVDC stretch film processing equipment
By introducing a purification mechanism consisting of a serpentine heat exchange tube and an activated carbon filter into the PVDC stretch film processing equipment, the problem of harmful gas pollution was solved, and the purification of harmful gases and the improvement of heating efficiency were achieved.
Patent Information
- Application Number
- CN202421616191.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The harmful gases generated by existing PVDC stretch film processing equipment during the heating process are not effectively purified, resulting in pollution of the working environment and affecting the health of workers.
A purification mechanism was designed, including a serpentine heat exchange tube and an activated carbon filter, to adsorb and purify harmful gases, and to preheat the stretched membrane through the serpentine heat exchange tube to improve the heating effect.
It effectively purifies harmful gases, protects workers' health, and improves the heating efficiency of stretch film.
Smart Images

Figure CN223442633U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of PVDC stretch film processing, and specifically relates to a PVDC stretch film processing equipment. BACKGROUND
[0002] PVDC stretch film is a kind of packaging material with special performance, which is based on the high barrier property of PVDC (polyvinylidene chloride), combines the characteristics of different packaging materials, and is bonded together by two or more different packaging substrates to obtain a packaging film with ideal comprehensive performance. The PVDC stretch film processing equipment is mainly used for producing PVDC stretch film, and the film is widely used in food, medicine, chemical products and other fields due to its excellent barrier property.
[0003] A stretch film processing equipment with high strength, good fire resistance and excellent ductility is disclosed in Chinese patent (authorized publication number CN 218519023 U), which can simultaneously heat the bottom and top of the stretch film to improve the processing efficiency. However, harmful gases are generated during heating of the stretch film, and the patent does not have a mechanism for purifying harmful gases, which can leak around the working environment and affect the health of workers. Therefore, a PVDC stretch film processing equipment is provided by the skilled person in the art to solve the problems raised in the above background technology. UTILITY MODEL CONTENT
[0004] To solve the above technical problems, the utility model provides a kind of PVDC stretch film processing equipment, including curing box, the curing box left and right ends are equipped with import and export, and curing box left and right ends are installed import and export position of mechanism, and temperature insulation board is installed in the curing box, and the cooperation hole is opened in the middle part of temperature insulation board, and a plurality of conveying rollers are symmetrically installed on the inner wall of curing box, and heating mechanism is installed in the right part of curing box, and purification mechanism is arranged in the left part of curing box.
[0005] Preferably, the import and export mechanism includes a Z-shaped import and export frame and a supporting roller, and the two supporting rollers are rotatably connected inside the Z-shaped import and export frame.
[0006] Preferably, the heating mechanism includes two moving grooves and a plurality of heating pipes, and the two moving grooves are opened in the front wall of the curing box, and the two moving grooves are respectively located on the upper and lower sides of the cooperation hole, and a threaded rod is arranged in the two moving grooves, and the threaded rod passes through the curing box at the upper end, and the threaded direction of the threaded rod is opposite at the upper and lower parts of the outer surface.
[0007] Preferably, a moving rod is arranged in the moving groove, and the moving rod is threadedly connected with the threaded rod, a plurality of heating pipes are installed at the rear end of the moving rod, a ruler rod is installed at the upper end of the upper moving rod, the ruler rod passes through the upper end of the curing box, a pointing block is installed at the upper end of the curing box, and the pointing block corresponds to the position of the ruler rod.
[0008] Preferably, the purifying mechanism comprises two serpentine heat exchange pipes and a purifying box, the two serpentine heat exchange pipes are respectively located on the upper and lower sides of the matching hole, one end of the two serpentine heat exchange pipes penetrates through the rear end of the curing box, the other end of the two serpentine heat exchange pipes is connected with a connecting pipe, the connecting pipe is installed in the front part of the curing box, one end of the connecting pipe is installed with the purifying box, and the purifying box is installed on the upper end of the curing box and the upper part of the temperature insulation plate.
[0009] Preferably, the purifying box is internally installed with two fans, a plurality of activated carbon filter screens are arranged in the purifying box, the activated carbon filter screens penetrate through the upper end of the purifying box, and the position corresponding to the activated carbon filter screens is installed with a plug-in rail at the bottom of the purifying box.
[0010] Preferably, the upper end of the purifying box is symmetrically installed with a positioning block, a clamping hole is formed in the positioning block, a pressing plate is arranged on the upper end of the purifying box, a handle is installed on the upper end of the pressing plate, a sealing gasket is installed on the lower end of the pressing plate, a positioning hole is symmetrically formed in the pressing plate and corresponds to the position of the positioning block, and a clamping mechanism is symmetrically installed in the pressing plate.
[0011] Preferably, the clamping mechanism comprises two sliding grooves and two clamping blocks, the two sliding grooves are symmetrically formed on the upper end of the pressing plate, a buckle is slidably connected in the sliding groove, the buckle is installed with a clamping block at one end, the clamping block penetrates through the positioning hole at one end, a spring is installed at the other end of the buckle, a limiting block is symmetrically installed on the inner wall of the sliding groove, and the limiting block penetrates through the buckle.
[0012] The technical effects and advantages of the present application are as follows:
[0013] The present application drives the heating pipe to ascend and descend through the threaded rod, adjusts the distance between the heating pipe and the stretching film, and when the toxic gas generated by the stretching film heating floats upward, the fan can suck the harmful gas in the upper part of the curing box, the activated carbon filter screens can purify the harmful gas, the harmful gas is prevented from being discharged and accumulated to affect the working environment, then, the purified gas enters the two serpentine heat exchange pipes through the connecting pipe, the serpentine heat exchange pipes preheat the stretching film, and the heating effect of the stretching film is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 is a structural schematic view of the present application;
[0015] Fig. 2 is a structural schematic view of the curing box of the present application;
[0016] Fig. 3 is a structural schematic view of the access mechanism of the present application;
[0017] Fig. 4 is a structural schematic view of the purifying mechanism of the present application;
[0018] Fig. 5 is a structural schematic view of the clamping mechanism of the present application;
[0019] Fig. 1, aging box; 2, access mechanism; 3, Z-shaped access frame; 4, supporting roller; 5, temperature insulation plate; 6, matching hole; 7, conveying roller; 8, heating mechanism; 9, moving groove; 10, moving rod; 11, heating pipe; 12, threaded rod; 13, ruler rod; 14, pointing block; 15, purification mechanism; 16, serpentine heat exchange pipe; 17, connecting pipe; 18, purification box; 19, fan; 20, activated carbon filter screen; 21, insertion rail; 22, positioning block; 23, clamping hole; 24, pressing plate; 25, positioning hole; 26, clamping mechanism; 27, sliding groove; 28, buckling block; 29, clamping block; 30, spring; 31, limiting block. DETAILED DESCRIPTION
[0020] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the precise form disclosed. Many modifications and variations are possible in light of this disclosure. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application to thereby enable others skilled in the art to best utilize the present application, various embodiments with various modifications as are suited to the particular use contemplated.
[0021] Please refer to Figs. 1-5The utility model provides a kind of PVDC stretch film processing equipment, including curing box 1, and the left and right ends of curing box 1 are provided with inlet and outlet, and the left and right ends of curing box 1 are installed with inlet and outlet mechanism 2 in the position corresponding to inlet and outlet, and inlet and outlet mechanism 2 includes Z type inlet and outlet frame 3 and support roller 4, and two support rollers 4 are rotatably connected inside Z type inlet and outlet frame 3, and temperature insulation plate 5 is installed in curing box 1, and cooperation hole 6 is opened in the middle of temperature insulation plate 5, and a plurality of conveying rollers 7 are symmetrically installed on the inner wall of curing box 1, and heating mechanism 8 is installed in the right part of curing box 1, and heating mechanism 8 includes two moving grooves 9 and a plurality of heating pipes 11, and two moving grooves 9 are opened in the front wall of curing box 1, and two moving grooves 9 are located on the upper and lower sides of cooperation hole 6 respectively, and threaded rod 12 is arranged in two moving grooves 9, and the upper end of threaded rod 12 penetrates through curing box 1, and the screw thread direction on the upper and lower parts of the outer surface of threaded rod 12 is opposite, and moving rod 10 is arranged in moving groove 9, and moving rod 10 is screw-connected with threaded rod 12, and a plurality of heating pipes 11 are installed on the rear end of moving rod 10, and the upper end of upper moving rod 10 is installed with ruler rod 13, and ruler rod 13 penetrates through the upper end of curing box 1, and pointing block 14 is installed on the upper end of curing box 1, and pointing block 14 corresponds to the position of ruler rod 13, and purification mechanism 15 is arranged in the left part of curing box 1, and purification mechanism 15 includes two serpentine heat exchange pipes 16 and purification box 18, and two serpentine heat exchange pipes 16 are located on the upper and lower sides of cooperation hole 6 respectively, and one end of two serpentine heat exchange pipes 16 penetrates through the rear end of curing box 1, and the other end of two serpentine heat exchange pipes 16 is commonly installed with connecting pipe 17, and connecting pipe 17 is installed in the front part of curing box 1, and purification box 18 is installed on one end of connecting pipe 17, and purification box 18 is installed on the upper end of curing box 1 and the upper part of temperature insulation plate 5, and two fans 19 are installed in purification box 18, and a plurality of activated carbon filter screens 20 are arranged in purification box 18, and activated carbon filter screen 20 penetrates through the upper end of purification box 18, and plug rail 21 is installed on the inner bottom of purification box 18, and the position of activated carbon filter screen 20 is symmetrically installed on the upper end of purification box 18, and positioning block 22 is symmetrically installed on the upper end of purification box 18, and clamping hole 23 is opened in the inside of positioning block 22, and pressing plate 24 is arranged on the upper end of purification box 18, and handle is installed on the upper end of pressing plate 24, and sealing gasket is installed on the lower end of pressing plate 24, and positioning hole 25 is symmetrically opened in the inside of pressing plate 24, and the position of positioning hole 25 corresponds to positioning block 22, and clamping mechanism 26 is symmetrically installed in the inside of pressing plate 24, and clamping mechanism 26 includes two sliding grooves 27 and two clamping blocks 29, and two sliding grooves 27 are symmetrically opened on the upper end of pressing plate 24, and buckle pull block 28 is slidably connected in the inside of sliding groove 27, and one end of buckle pull block 28 is installed with clamping block 29, and clamping block 29 penetrates through one end of positioning hole 25, and the other end of buckle pull block 28 is installed with spring 30, and limiting block 31 is symmetrically installed on the inner wall of sliding groove 27, and limiting block 31 penetrates through buckle pull block 28.
[0022] The working principle of the utility model is: the stretching film enters into the maturation box 1 through the inlet and outlet mechanism 2 and the inlet and outlet, the stretching film passes through the supporting roller 4, the cooperation hole 6 and the conveying roller 7, the moving rod 10 on the upper and lower sides is reversely moved by rotating the threaded rod 12, the moving rod 10 drives the heating pipe 11 to lift, the distance between the heating pipe 11 and the stretching film is adjusted, at the same time, the ruler rod 13 is moved when the moving rod 10 moves, the distance that the observation pointing block 14 moves on the ruler rod 13 is observed to understand the distance between the heating pipe 11 and the stretching film;
[0023] When the toxic gas generated by the stretching film heating floats upward, the harmful gas in the upper part of the maturation box 1 is sucked away through the fan 19, the harmful gas is purified through the plurality of activated carbon filter screens 20, then, the purified gas enters into the two serpentine heat exchange pipes 16 through the connecting pipe 17, heat exchange is carried out through the serpentine heat exchange pipe 16, the stretching film is preheated through the serpentine heat exchange pipe 16, the heating effect of the stretching film is improved, and the gas after heat exchange is discharged.
Claims
1. A PVDC stretch film processing device, comprising a maturation box (1), characterized in that: The ripening box (1) has inlets and outlets at both ends, and inlet and outlet mechanisms (2) are installed at positions corresponding to the inlets and outlets at both ends of the ripening box (1). A heat-insulating plate (5) is installed inside the ripening box (1), and a matching hole (6) is provided in the middle of the heat-insulating plate (5). A plurality of conveying rollers (7) are symmetrically installed on the inner wall of the ripening box (1). A heating mechanism (8) is installed in the right part of the ripening box (1), and a purification mechanism (15) is provided in the left part of the ripening box (1).
2. A PVDC stretch film processing equipment according to claim 1, characterized in that, The inlet and outlet mechanism (2) comprises a Z-shaped inlet and outlet frame (3) and support rollers (4), wherein the internal rotational force of the Z-shaped inlet and outlet frame (3) connects the two support rollers (4).
3. A PVDC stretch film processing equipment according to claim 1, characterized in that, The heating mechanism (8) comprises two movable grooves (9) and a plurality of heating tubes (11). The two movable grooves (9) are both provided on the inner front wall of the ripening box (1). The two movable grooves (9) are respectively located on the upper and lower sides of the matching hole (6). A threaded rod (12) is provided inside the two movable grooves (9), and the upper end of the threaded rod (12) passes through the ripening box (1). The threads on the upper and lower parts of the outer surface of the threaded rod (12) are in opposite directions.
4. A PVDC stretch film processing equipment according to claim 3, characterized in that, A moving rod (10) is provided inside the moving groove (9), and the moving rod (10) and the threaded rod (12) are threadedly connected. A plurality of heating tubes (11) are installed at the rear end of the moving rod (10). A ruler rod (13) is installed at the upper end of the upper moving rod (10), and the ruler rod (13) passes through the upper end of the ripening box (1). A pointing block (14) is installed at the upper end of the ripening box (1), and the pointing block (14) corresponds to the position of the ruler rod (13).
5. A PVDC stretch film processing equipment according to claim 1, characterized in that, The purification mechanism (15) comprises two serpentine heat exchange tubes (16) and a purification box (18). The two serpentine heat exchange tubes (16) are respectively located on the upper and lower sides of the matching hole (6). One end of the two serpentine heat exchange tubes (16) passes through the rear end of the ripening box (1). The other ends of the two serpentine heat exchange tubes (16) are installed with a connecting pipe (17), and the connecting pipe (17) is installed in the front part of the ripening box (1). One end of the connecting pipe (17) is installed with the purification box (18), and the purification box (18) is installed at the upper end of the ripening box (1) and the upper part of the insulation plate (5).
6. A PVDC stretch film processing equipment according to claim 5, characterized in that, Two fans (19) are installed inside the purification box (18), and a plurality of activated carbon filters (20) are arranged inside the purification box (18), and the activated carbon filters (20) pass through the upper end of the purification box (18), and a plug rail (21) is installed at the position of the activated carbon filter (20) at the bottom of the purification box (18).
7. A PVDC stretch film processing equipment according to claim 5, characterized in that, A positioning block (22) is symmetrically mounted on the upper end of the purification box (18), a clamping hole (23) is provided inside the positioning block (22), a pressing plate (24) is provided on the upper end of the purification box (18), a handle is installed on the upper end of the pressing plate (24), a sealing gasket is installed on the lower end of the pressing plate (24), positioning holes (25) are symmetrically provided inside the pressing plate (24), and the positioning holes (25) correspond to the positions of the positioning block (22), and a clamping mechanism (26) is symmetrically installed inside the pressing plate (24).
8. A PVDC stretch film processing equipment according to claim 7, characterized in that, The clamping mechanism (26) includes two slide grooves (27) and two clamping blocks (29). The two slide grooves (27) are symmetrically opened at the upper end of the pressure plate (24). The slide grooves (27) are slidably connected to the buckle pull block (28). The clamping block (29) is installed at one end of the buckle pull block (28), and the clamping block (29) passes through one end of the positioning hole (25). A spring (30) is installed at the other end of the buckle pull block (28). A limit block (31) is symmetrically installed on the inner wall of the slide groove (27), and the limit block (31) passes through the buckle pull block (28).
Citation Information
Patent Citations
Stretching film processing equipment with high strength, good fire resistance and excellent ductility
CN218519023U