CN219097171U - Full-automatic PE film pyrocondensation mechanism - Google Patents

Abstract

The utility model discloses a full-automatic PE film thermal shrinkage mechanism, which comprises a conveying frame and a thermal shrinkage adjusting mechanism; and (3) conveying a conveying frame: the left and right sides of the inside of the heat-shrinkable box are respectively and rotatably connected with a rotating shaft through bearings, the front end and the rear end of the outer cambered surface of the rotating shaft are respectively and fixedly sleeved with a chain wheel, the left and right adjacent two chain wheels are respectively and rotatably connected through chains, a net belt is arranged between the two chains, the upper surface of the conveying frame is fixedly connected with a heat-shrinkable box, the upper surface of the heat-shrinkable box is connected with an air inlet box through bolts, the lower ends of the left and right sides of the heat-shrinkable box are respectively and fixedly connected with a heat-insulating curtain cloth, and heating pipes which are uniformly distributed are arranged between the inner walls of the front side and the rear side of the heat-shrinkable box; thermal shrinkage adjusting mechanism: the heat-shrinkable box is arranged between the upper surface of the heat-shrinkable box and the inner wall of the rear side of the air inlet box; wherein: the control switch group is arranged on the front side face of the heat shrinkage box, and the full-automatic PE film heat shrinkage mechanism can enable the PE film to be heated uniformly, so that the best shrinkage effect is achieved, and the heat shrinkage quality of the PE film is improved.

Description

Full-automatic PE film pyrocondensation mechanism

Technical Field

The utility model relates to the technical field of PE film thermal shrinkage mechanisms, in particular to a full-automatic PE film thermal shrinkage mechanism.

Background

The PE film, namely the polyethylene film, is produced by PE particles, has moisture resistance and small moisture permeability, the polyethylene film (PE) can be used for producing products with different performances such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different production methods and control means, the PE film has moisture resistance and small moisture permeability, so that PE films are often used for packaging some commodities, the existing full-automatic PE film thermal shrinkage mechanism is used for conveying the commodities which need to be thermally shrunk after being packaged by the PE film into a thermal shrinkage box through a net belt, the air is thermally radiated and exchanged through a heating pipe in the thermal shrinkage box, hot air is blown onto the commodities which need to be thermally shrunk after being packaged by the PE film through a fan, thermal shrinkage of the PE film is realized, and then the commodities after thermal shrinkage are conveyed out of the thermal shrinkage box through the net belt.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a full-automatic PE film thermal shrinkage mechanism which can uniformly heat a PE film to achieve the optimal shrinkage effect, improve the thermal shrinkage quality of the PE film and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a full-automatic PE film thermal shrinkage mechanism comprises a conveying frame and a thermal shrinkage adjusting mechanism;

and (3) conveying a conveying frame: the left and right sides of the inside of the heat-shrinkable box are respectively and rotatably connected with a rotating shaft through bearings, the front end and the rear end of the outer cambered surface of the rotating shaft are respectively and fixedly sleeved with a chain wheel, the left and right adjacent two chain wheels are respectively and rotatably connected through chains, a net belt is arranged between the two chains, the upper surface of the conveying frame is fixedly connected with a heat-shrinkable box, the upper surface of the heat-shrinkable box is connected with an air inlet box through bolts, the lower ends of the left and right sides of the heat-shrinkable box are respectively and fixedly connected with a heat-insulating curtain cloth, and heating pipes which are uniformly distributed are arranged between the inner walls of the front side and the rear side of the heat-shrinkable box;

thermal shrinkage adjusting mechanism: the heat-shrinkable box is arranged between the upper surface of the heat-shrinkable box and the inner wall of the rear side of the air inlet box;

wherein: the front side of heat shrinkage box is provided with control switch group, and the external power source is connected to control switch group's input electricity, and the output of control switch group is all connected to the input of heating pipe, can make the PE membrane be heated evenly to reach best shrink effect, improve PE membrane pyrocondensation's quality.

Further, pyrocondensation adjustment mechanism includes dry fan and installing frame, the quantity of installing frame is three, and the equal fixed connection of installing frame is in the mounting groove of evenly seting up in pyrocondensation case upper surface, and the inside of installing frame all is connected with dry fan through the rotation of revolving post, and the output of control switch group is all connected to the equal electricity of dry fan's input, through the rotation of dry fan to the even downward blow of hot air after being heated by the heating pipe.

Further, pyrocondensation adjustment mechanism still includes linkage board, traveller, rotor plate and guide spout, linkage board sliding connection is in the strip type inslot of seting up of pyrocondensation case upper surface rear side, and the leading flank fixedly connected with evenly distributed's of linkage board traveller is located the equal fixed cover in extrados rear end of the rotor post of rear side and is equipped with the rotor plate, and guide spout has all been seted up to the leading flank of rotor plate, and guide spout respectively with adjacent traveller sliding connection drives the rotation of dry fan through the removal of linkage board.

Further, pyrocondensation adjustment mechanism still includes crank and connecting rod, the crank is rotated through the pivot and is connected in the rear side inner wall middle part of air inlet case, and the one end that the pivot was kept away from to the crank is rotated through the round pin axle and is connected with the connecting rod, and the one end that the crank was kept away from to the connecting rod is rotated through the round pin axle and is connected with the linkage board and rotate, makes the reciprocating motion of linkage board's removal incessantly through the mutually supporting of crank and connecting rod.

Further, the rear side of bellows is provided with the second motor, the output shaft and the pivot fixed connection of second motor, the output of control switch group is connected to the input electricity of second motor, drives the rotation of crank.

Further, the left side of the upper surface of the conveying frame is connected with a U-shaped frame through bolts, cooling fans are arranged in avoidance grooves uniformly formed in the upper surface of the U-shaped frame, the input ends of the cooling fans are electrically connected with the output ends of the control switch groups, and the temperature of articles after thermal shrinkage is reduced.

Further, the right-hand member of trailing flank of carriage is provided with first motor, and the output shaft and the axis of rotation fixed connection who is located the right side of first motor, the output of control switch group is connected to first motor input electricity, drives the transport to the article that needs to carry out pyrocondensation.

Compared with the prior art, the utility model has the beneficial effects that: this full-automatic PE membrane pyrocondensation mechanism has following benefit:

placing the PE film wrapped article on the right end of the upper surface of the mesh belt after edge cutting and sealing by a sealing and cutting machine, regulating and controlling a first motor, a cooling fan, a drying fan, a second motor and a heating pipe to operate by a control switch group, driving a rotating shaft positioned on the right side to rotate by the first motor, driving a sprocket on the outer cambered surface of the rotating shaft positioned on the right side to rotate, driving a sprocket positioned on the left side to rotate by the mesh belt, enabling the mesh belt to rotate, realizing conveying the PE film wrapped article, conveying the PE film wrapped article leftwards by the mesh belt, entering a heat-shrinkable box through a heat-insulating curtain positioned on the right side, radiating air around the heat-shrinkable box by the heating pipe, blowing hot air downwards by the drying fan, driving the rotating shaft to rotate by an output shaft of the second motor at the moment, and enabling a crank to rotate, the crank drives the connecting rod to rotate, the crank drives the linkage plate to reciprocate left and right in the strip-shaped groove through the connecting rod, the sliding column slides and rotates in the guide chute, the sliding column drives the rotating plate to rotate through the guide chute, the rotating plate drives the drying fan to rotate, the drying fan rotates and blows air at the same time, hot air carries out quick and uniform heat exchange on articles wrapped by the PE film conveyed leftwards, thermal shrinkage of the PE film is realized, articles after thermal shrinkage of the PE film is completed in the thermal shrinkage box are conveyed leftwards by the net belt and leave the thermal shrinkage box, the articles after thermal shrinkage of the PE film are quickly cooled by blowing cold air to the articles after thermal shrinkage of the PE film through the cooling fan, subsequent operation is facilitated, the PE film is uniformly heated through cooperation between the self-rotation of the drying fan and the heating pipe, so that the best shrinkage effect is achieved, and the heat shrinkage quality of the PE film is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1 a conveying frame, 2a net belt, 3 a rotating shaft, 4 a first motor, 5 a chain wheel, 6 a heat shrinkage box, 7 a wind inlet box, 8U-shaped frames, 9 a cooling fan, 10 a heat shrinkage adjusting mechanism, 101 a crank, 102 a connecting rod, 103 a linkage plate, 104 a sliding column, 105 a rotating plate, 106 a guide chute, 107 a drying fan, 108 a mounting frame, 11 a second motor, 12 a heating pipe, 13 a heat insulation curtain cloth and 14 a control switch group.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a full-automatic PE film thermal shrinkage mechanism comprises a conveying frame 1 and a thermal shrinkage adjusting mechanism 10;

carriage 1: the left and right sides of the inside of the heat-shrinkable box are respectively and rotatably connected with a rotating shaft 3 through bearings, the front end and the rear end of the outer cambered surface of the rotating shaft 3 are respectively and fixedly sleeved with a chain wheel 5, two left and right adjacent chain wheels 5 are respectively and rotatably connected through chains, a net belt 2 is arranged between the two chains, the net belt 2 is a Teflon net belt, the upper surface of the conveying frame 1 is fixedly connected with a heat-shrinkable box 6, the upper surface of the heat-shrinkable box 6 is connected with an air inlet box 7 through bolts, the lower ends of the left and right sides of the heat-shrinkable box 6 are respectively and fixedly connected with a heat-insulating curtain cloth 13, the heat-insulating curtain cloth 13 is made of ceramic fiber cloth, and heating pipes 12 which are uniformly distributed are arranged between the inner walls of the front side and the rear side of the heat-shrinkable box 6;

thermal shrinkage adjusting mechanism 10: the heat shrinkage adjusting mechanism 10 comprises a drying fan 107 and a mounting frame 108, wherein the number of the mounting frames 108 is three, the mounting frames 108 are fixedly connected in mounting grooves formed in the upper surface of the heat shrinkage box 6, the drying fan 107 is connected in the mounting frames 108 through rotation of rotary shafts, the heat shrinkage adjusting mechanism 10 further comprises a linkage plate 103, a sliding column 104, a rotating plate 105 and a guide chute 106, the linkage plate 103 is in sliding connection with a strip-shaped groove formed in the rear side of the upper surface of the heat shrinkage box 6, the front side surface of the linkage plate 103 is fixedly connected with uniformly distributed sliding columns 104, the rear end of an outer cambered surface of the rotary column positioned on the rear side is fixedly sleeved with the rotating plate 105, the front side surface of the rotating plate 105 is provided with the guide chute 106, the guide chute 106 is respectively in sliding connection with the adjacent sliding columns 104, the heat shrinkage adjusting mechanism 10 further comprises a crank 101 and a connecting rod 102, one end of the crank 101 far away from the rotary shaft is in rotation connection with the connecting rod 102 through a pin shaft, one end of the connecting rod 102 far away from the crank 101 is in rotation with the connecting rod 103 through rotation of the rotary shaft, and the connecting rod 101 is in sliding connection with the connecting rod 101, and the PE film is driven by the connecting rod 101 to rotate in a sliding manner, and the PE film is driven by the sliding plate to rotate in the sliding plate to the PE film 101 to the PE film is driven by the sliding plate to rotate in the sliding plate to the sliding plate through the connecting rod 101, and further the PE film is driven by the sliding plate to rotate in the PE film is in the sliding connection with the connecting plate is driven by the connecting plate 101 to rotate and the PE film through the connecting plate is in the sliding connection and then uniformly and the sliding film is driven to rotate;

wherein: the front side of the heat shrinkage box 6 is provided with a control switch group 14, the input end of the control switch group 14 is electrically connected with an external power supply, the input end of the heating pipe 12 is electrically connected with the output end of the control switch group 14, the rear side of the bellows 7 is provided with a second motor 11, the input end of the drying fan 107 is electrically connected with the output end of the control switch group 14, the output shaft of the second motor 11 is fixedly connected with a rotating shaft, the input end of the second motor 11 is electrically connected with the output end of the control switch group 14, the left side of the upper surface of the conveying frame 1 is connected with a U-shaped frame 8,U through bolts, cooling fans 9 are arranged in avoidance grooves uniformly formed in the upper surface of the U-shaped frame 8, the input ends of the cooling fans 9 are electrically connected with the output end of the control switch group 14, the right end of the rear side of the conveying frame 1 is provided with a first motor 4, the output shaft of the first motor 4 is fixedly connected with a rotating shaft 3 positioned on the right side, the input end of the first motor 4 is electrically connected with the output end of the control switch group 14, the control switch group 14 regulates and controls the normal operation of the first motor 4, the cooling fan 9, the second motor 11 and the heating pipe 12, the PE film wrapped article after being cut and sealed by the sealing and cutting machine is placed at the right end of the upper surface of the mesh belt 2, the control switch group 14 regulates and controls the operation of the first motor 4, the cooling fan 9, the drying fan 107, the second motor 11 and the heating pipe 12, the first motor 4 drives the rotating shaft 3 positioned at the right side to rotate, the rotating shaft 3 positioned at the right side drives the sprocket wheel 5 positioned at the outer cambered surface to rotate, the sprocket wheel 5 positioned at the right side further drives the sprocket wheel 5 positioned at the left side to rotate by the mesh belt 2, the mesh belt 2 rotates, the PE film wrapped article is conveyed leftwards by the mesh belt 2, the PE film wrapped article enters the heat shrinkage box 6 through the heat insulation curtain cloth 13 positioned at the right side, the heating pipe 12 radiates heat to the air around the PE film, the drying fan 107 blows the hot air after heat exchange downwards, the articles after PE film heat shrinkage in the heat shrinkage box 6 are conveyed leftwards by the mesh belt 2 to leave the heat shrinkage box 6, the cooling fan 9 blows cold air to the articles after PE film heat shrinkage to enable the articles after PE film heat shrinkage to be cooled rapidly, follow-up operation is facilitated, the PE film is heated uniformly through the cooperation between the self-rotation blowing of the drying fan 107 and the heating pipe 12, so that the optimal shrinkage effect is achieved, and the quality of PE film heat shrinkage is improved.

The utility model provides a full-automatic PE film thermal shrinkage mechanism, which has the following working principle:

when the PE film wrapped articles are subjected to heat shrinkage packaging, personnel place the PE film wrapped articles at the right end of the upper surface of the mesh belt 2 after the edge cutting and sealing are performed by a sealing and cutting machine, the operation of a first motor 4, a cooling fan 9, a drying fan 107, a second motor 11 and a heating pipe 12 is regulated and controlled by a control switch group 14, the first motor 4 drives a rotating shaft 3 positioned at the right side to rotate, the rotating shaft 3 positioned at the right side drives a sprocket wheel 5 positioned on the outer cambered surface of the rotating shaft to rotate, the sprocket wheel 5 positioned at the right side drives the sprocket wheel 5 positioned at the left side by the mesh belt 2 to rotate, the mesh belt 2 rotates, the PE film wrapped articles are conveyed leftwards by the mesh belt 2, the PE film wrapped articles enter the heat shrinkage box 6 through a heat insulation curtain cloth 13 positioned at the right side, the air around the heating pipe 12 radiates heat, the drying fan 107 blows the hot air after heat exchange downwards, at this time, the output shaft of the second motor 11 drives the rotating shaft to rotate so that the crank 101 rotates, the crank 101 drives the connecting rod 102 to rotate, the crank 101 drives the linkage plate 103 to move left and right in the strip-shaped groove through the connecting rod 102, the sliding column 104 slides and rotates in the guide sliding groove 106, the sliding column 104 drives the rotating plate 105 to rotate through the guide sliding groove 106, the rotating plate 105 drives the drying fan 107 to rotate, the drying fan 107 rotates and blows air while rotating, hot air carries out rapid and uniform heat exchange on the PE film wrapped articles conveyed leftwards, thermal shrinkage of the PE film is realized, the articles after thermal shrinkage of the PE film is completed in the thermal shrinkage box 6 are conveyed leftwards by the net belt 2 to leave the thermal shrinkage box 6, the articles after thermal shrinkage of the PE film are blown with cold air by the cooling fan 9 to enable the articles after thermal shrinkage of the PE film to be rapidly cooled, the subsequent process is convenient, and the PE film is heated uniformly through the cooperation between the self-rotation blowing and the heating pipe 12 of the drying fan 107, so that the optimal shrinkage effect is achieved, and the heat shrinkage quality of the PE film is improved.

It should be noted that, in the above embodiment, the first motor 4 and the second motor 11 are both selected from SM3L-042a1 BDV servo motors, the drying fan 107 is selected from 4-72 types, the cooling fan 9 is selected from ME92252V1-000C-a99, the heating pipe 12 is selected from XY-JRB-011, and the control switch group 14 is provided with switch buttons corresponding to the first motor 4, the cooling fan 9, the drying fan 107, the second motor 11 and the heating pipe 12 one by one to control the normal switching operation thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A full-automatic PE membrane pyrocondensation mechanism, its characterized in that: comprises a conveying frame (1) and a thermal shrinkage adjusting mechanism (10);

conveying rack (1): the left side and the right side of the inside of the heat-shrinkable box are respectively and rotatably connected with a rotating shaft (3) through bearings, the front end and the rear end of an outer cambered surface of the rotating shaft (3) are respectively and fixedly sleeved with a chain wheel (5), two adjacent chain wheels (5) are respectively and rotatably connected through chains, a net belt (2) is arranged between the two chains, the upper surface of the conveying frame (1) is fixedly connected with a heat-shrinkable box (6), the upper surface of the heat-shrinkable box (6) is connected with an air inlet box (7) through bolts, the lower ends of the left side and the right side of the heat-shrinkable box (6) are respectively and fixedly connected with a heat-insulating curtain cloth (13), and heating pipes (12) which are uniformly distributed are arranged between the inner walls of the front side and the rear side of the heat-shrinkable box (6);

thermal shrinkage adjusting mechanism (10): the heat-shrinkable box is arranged between the upper surface of the heat-shrinkable box (6) and the inner wall of the rear side of the air inlet box (7);

wherein: the front side of the heat shrinkage box (6) is provided with a control switch group (14), the input end of the control switch group (14) is electrically connected with an external power supply, and the input ends of the heating pipes (12) are electrically connected with the output ends of the control switch group (14).

2. The fully automatic PE film heat shrinkage mechanism of claim 1, characterized in that: the heat shrinkage adjustment mechanism (10) comprises a drying fan (107) and a mounting frame (108), the number of the mounting frames (108) is three, the mounting frames (108) are fixedly connected in mounting grooves uniformly formed in the upper surface of the heat shrinkage box (6), the drying fan (107) is connected to the inside of the mounting frames (108) through rotating posts, and the input end of the drying fan (107) is electrically connected with the output end of the control switch group (14).

3. The fully automatic PE film heat shrink mechanism of claim 2, characterized in that: the thermal shrinkage adjusting mechanism (10) further comprises a linkage plate (103), a sliding column (104), a rotating plate (105) and a guide sliding groove (106), wherein the linkage plate (103) is slidably connected in a strip-shaped groove formed in the rear side of the upper surface of the thermal shrinkage box (6), the sliding column (104) which is uniformly distributed is fixedly connected to the front side surface of the linkage plate (103), the rotating plate (105) is fixedly sleeved at the rear end of the extrados surface of the rotating column at the rear side, the guide sliding groove (106) is formed in the front side surface of the rotating plate (105), and the guide sliding groove (106) is slidably connected with the adjacent sliding column (104) respectively.

4. A fully automatic PE film heat shrink mechanism according to claim 3, characterized in that: the thermal shrinkage adjusting mechanism (10) further comprises a crank (101) and a connecting rod (102), the crank (101) is rotationally connected to the middle part of the inner wall of the rear side of the air inlet box (7) through a rotating shaft, one end, far away from the rotating shaft, of the crank (101) is rotationally connected with the connecting rod (102) through a pin shaft, and one end, far away from the crank (101), of the connecting rod (102) is rotationally connected with the linkage plate (103) through a pin shaft.

5. The fully automatic PE film heat shrinkage mechanism of claim 4, characterized in that: the rear side of bellows (7) is provided with second motor (11), the output shaft and the pivot fixed connection of second motor (11), the output of control switch group (14) is connected to the input electricity of second motor (11).

6. The fully automatic PE film heat shrinkage mechanism of claim 1, characterized in that: the left side of the upper surface of the conveying frame (1) is connected with a U-shaped frame (8) through bolts, cooling fans (9) are arranged in avoidance grooves uniformly formed in the upper surface of the U-shaped frame (8), and the input ends of the cooling fans (9) are electrically connected with the output ends of the control switch groups (14).

7. The fully automatic PE film heat shrinkage mechanism of claim 1, characterized in that: the right-hand member of trailing flank of carriage (1) is provided with first motor (4), and the output shaft of first motor (4) is connected with axis of rotation (3) fixed connection that are located the right side, and the output of control switch group (14) is connected to first motor (4) input electricity.

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