Heating device for heat shrink film production

Abstract

The utility model relates to the technical field of heat shrink films, and discloses a heating device for heat shrink film production, which comprises a base, the top of the base is fixedly connected with a pre-stretching device and a heating box, the side surface of the heating box is fixedly connected with a thermal insulation plate, the side surface of the thermal insulation plate is provided with a feeding hole, and the feeding hole is communicated with the pre-stretching device and the heating box. A hot air circulating device is fixedly connected to the top of the heating box, a winding device is fixedly connected to the side face of the heat insulation plate and located in the heating box, a heating mechanism is fixedly connected to the bottom of the heating box, a winding device is fixedly connected to the top of the base, and a heat dissipation opening is formed in the bottom of the heating box. The interior of the heating box is fixedly connected with an adjustable heating plate; according to the utility model, the heating mechanism is arranged, and the film is uniformly heated through the adjustable heating plate and the heating coil, so that the film can reach an ideal shrinkage temperature in the heating process, and the product quality and the production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat shrinkable film technical field more particularly to a kind of heating device for heat shrinkable film production. BACKGROUND

[0002] As a widely used packaging material, heat shrinkable film shows its unique advantages in many fields such as food, medicine, cosmetics, clothing and machinery. Heat shrinkable film packaging machine uses heating device to heat the film, which softens quickly and tightly wraps the product surface, achieving the functions of fixing, protecting and beautifying the product.

[0003] The existing technology has the following problems: due to unreasonable design, the temperature distribution in the heating area of some heating devices is uneven, affecting the shrinkage effect of heat shrinkable film. During the heating process, heat shrinkable film may be locally overheated or insufficiently heated, resulting in poor packaging effect. The existing heating device can only heat products of specific size and shape, and it is difficult to achieve ideal results for products with irregular shape or various sizes. UTILITY MODEL CONTENT

[0004] To overcome the above-mentioned defects of the prior art, the utility model provides a heating device for heat shrinkable film production to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heating device for heat shrinkable film production, comprising a base, a pre-stretching device is fixedly connected to the top of the base, a heating box is fixedly connected to the top of the base, a heat insulation plate is fixedly connected to the side of the heating box, a feeding port is formed in the side of the heat insulation plate, a hot air circulation device is fixedly connected to the top of the heating box, a winding device is fixedly connected to the side of the heat insulation plate and located inside the heating box, a heating mechanism is fixedly connected to the bottom of the heating box, a winding device is fixedly connected to the top of the base, a heat dissipation port is formed in the bottom of the heating box, an adjustable heating plate is fixedly connected inside the heating box, a heating coil is fixedly connected to the top of the adjustable heating plate, and a temperature sensor is fixedly connected to the top of the heating mechanism.

[0006] Further, a pre-stretching heating roller is fixedly connected to the top of the base, a supporting plate is fixedly connected to the side of the pre-stretching heating roller, a sliding groove is formed in the side of the supporting plate, a sliding rod is slidingly connected to the side of the sliding groove, and a pre-stretching compression roller is fixedly connected to the side of the sliding rod.

[0007] Further, a hot air blower is fixedly connected to the top of the heating box, and a hot air duct is fixedly connected to the side of the hot air blower.

[0008] Further, the side of the hot air duct is fixedly connected with a shunt pipe and is located in the inside of the heating box, and the side of the shunt pipe is fixedly connected with an air outlet pipe.

[0009] Further, the side of the temperature insulation plate is fixedly connected with a fixed plate, and the side of the fixed plate is fixedly connected with a connecting plate.

[0010] Further, the side of the connecting plate is fixedly connected with a rotating shaft, and the side of the rotating shaft is fixedly connected with a film pressing roller.

[0011] Further, the top of the base is fixedly connected with a mounting plate, the side of the mounting plate is fixedly connected with a rotating rod, and the side of the rotating rod is fixedly connected with a material receiving film belt reel.

[0012] The technical effects and advantages of the present application are as follows:

[0013] 1. The pre-stretching device and the heating mechanism are arranged, which is beneficial to pre-stretching and heating treatment of the heat shrinkable film in the production process. The pre-stretching heating roller and the pre-stretching pressure roller in the pre-stretching device can cooperate to preliminarily stretch the heat shrinkable film, improve the ductility and shrinkage performance of the film, and the heating mechanism uniformly heats the film through the adjustable heating plate and the heating coil, so that the film can reach the ideal shrinkage temperature in the heating process, thereby improving the quality and production efficiency of the product.

[0014] 2. The hot air circulating device is arranged, which is beneficial to forming stable hot air circulation in the heating box, improving the heating efficiency and temperature uniformity, and the hot air machine sends hot air into the heating box through the hot air duct, and uniformly distributes in each corner of the heating box through the shunt pipe and the air outlet pipe, so that the film can be fully heated in the heating process, and the quality problem caused by uneven temperature is avoided.

[0015] 3. The winding device and the winding device are arranged, which is beneficial to automatic winding and winding of the heat shrinkable film in the production process. The winding device avoids wrinkles or breakage of the film in the winding process through stable winding of the film, and the winding device realizes automatic winding of the film, which is convenient for subsequent packaging and transportation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the present application;

[0017] Figure 2 It is a pre-stretching device structure schematic view of the present application;

[0018] Figure 3 It is a heating box structure schematic view of the present application;

[0019] Figure 4The hot air circulation device structure schematic view of the utility model;

[0020] Figure 5 The winding device structure schematic view of the utility model;

[0021] Figure 6 The heating mechanism structure schematic view of the utility model;

[0022] Figure 7 The winding device structure schematic view of the utility model.

[0023] The figure mark is: 1, base; 2, pre-stretching device; 201, pre-stretching heating roller; 202, support plate; 203, sliding groove; 204, sliding rod; 205, pre-stretching compression roller; 3, heating box; 4, temperature insulation plate; 5, inlet; 6, hot air circulation device; 601, hot air machine; 602, hot air duct; 603, shunt pipe; 604, air outlet pipe; 7, winding device; 701, fixed plate; 702, connecting plate; 703, rotating shaft; 704, film pressing roller; 8, heating mechanism; 801, heat dissipation port; 802, adjustable heating plate; 803, heating coil; 804, temperature sensor; 9, winding device; 901, mounting plate; 902, rotating rod; 903, material receiving film tape reel. DETAILED DESCRIPTION

[0024] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and additionally, the form of each structure recorded in the following implementation is only an example, and the heating device for heat shrinkable film production involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skilled in the art without making creative labor belongs to the scope of protection of the utility model.

[0025] REFERENCE Figures 1 to 7The utility model provides a kind of heating device for heat shrinkable film production, including base 1, the top of base 1 is fixedly connected with pre-stretching device 2, the top of base 1 is fixedly connected with heating box 3, the side of heating box 3 is fixedly connected with heat insulation plate 4, the side of heat insulation plate 4 is equipped with inlet 5, the top of heating box 3 is fixedly connected with hot air circulation device 6, the side of heat insulation plate 4 is fixedly connected with winding device 7 and located inside heating box 3, the bottom of heating box 3 is fixedly connected with heating mechanism 8, the top of base 1 is fixedly connected with winding device 9, the bottom of heating box 3 is equipped with heat dissipation port 801, the inside of heating box 3 is fixedly connected with adjustable heating plate 802, the top of adjustable heating plate 802 is fixedly connected with heating coil 803, the top of heating mechanism 8 is fixedly connected with temperature sensor 804, pre-stretching device 2 on the top of base 1 first carries out pre-stretching treatment to heat shrinkable film, to improve the shrinkage performance and ductility of film, film material enters inside heating box 3 through inlet 5 on the side of heat insulation plate 4, in heating box 3, adjustable heating plate 802 and heating coil 803 thereon generate heat by heating mechanism 8, and film material is uniformly heated, hot air circulation device 6 constantly sends hot air into heating box 3, to ensure that film material is heated uniformly, in the heating process, temperature sensor 804 monitors the temperature in heating box 3 in real time, to ensure that heating temperature is stable and accurate, after heating is completed, film material is wound by winding device 7 on the side of heat insulation plate 4, and finally is wound by winding device 9 on the top of base 1.

[0026] Wherein, the top of base 1 is fixedly connected with pre-stretching heating roller 201, the side of pre-stretching heating roller 201 is fixedly connected with support plate 202, the side of support plate 202 is equipped with sliding groove 203, the side of sliding groove 203 is slidably connected with slide rod 204, the side of slide rod 204 is fixedly connected with pre-stretching compression roller 205, and pre-stretching compression roller 205 slides in sliding groove 203 of support plate 202 through slide rod 204, to realize pre-stretching of film material, to improve the ductility and shrinkage performance of film.

[0027] Wherein, the top of heating box 3 is fixedly connected with hot air blower 601, the side of hot air blower 601 is fixedly connected with hot air duct 602, the side of hot air duct 602 is fixedly connected with shunt pipe 603 and located inside heating box 3, the side of shunt pipe 603 is fixedly connected with air outlet pipe 604, hot air blower 601 sends hot air into heating box 3 through hot air duct 602, and hot air is uniformly distributed in each corner of heating box 3 through air outlet pipe 604 under the guidance of shunt pipe 603.

[0028] The side of the temperature insulation plate 4 is fixedly connected with a fixed plate 701, the side of the fixed plate 701 is fixedly connected with a connecting plate 702, the side of the connecting plate 702 is fixedly connected with a rotating shaft 703, the side of the rotating shaft 703 is fixedly connected with a film pressing roller 704, and the winding device 7 realizes smooth winding of the heated film material, so that wrinkles or breakage of the film material in the winding process is avoided.

[0029] The top of the base 1 is fixedly connected with a mounting plate 901, the side of the mounting plate 901 is fixedly connected with a rotating rod 902, and the side of the rotating rod 902 is fixedly connected with a material collecting film winding shaft 903.

[0030] The working principle of the utility model is as follows: on the top of the base 1, the pre-stretching device 2 mainly comprises a pre-stretching heating roller 201 and a pre-stretching compression roller 205, the pre-stretching heating roller 201 preliminarily heats the entering film material, and the pre-stretching compression roller 205 slides in the sliding groove 203 of the supporting plate 202 through the sliding rod 204, so as to realize pre-stretching of the film material, improve the ductility and shrinkage performance of the film, the inside of the heating box 3 is provided with an adjustable heating plate 802 and a heating coil 803, the film material is uniformly heated through the action of the heating mechanism 8, the hot air machine 601 fixedly connected at the top of the heating box 3 sends hot air into the heating box 3 through the hot air guide pipe 602, under the guidance of the shunt pipe 603, the hot air is uniformly distributed in each corner of the heating box 3 through the air outlet pipe 604, so that the film material can be fully heated in the heating process, the heating efficiency and temperature uniformity are improved, the temperature insulation plate 4 plays a role of isolation and heat preservation in the inside of the heating box 3, and the winding device 7 realizes smooth winding of the heated film material through the fixed plate 701, the connecting plate 702, the rotating shaft 703 and the film pressing roller 704, so that wrinkles or breakage of the film material in the winding process is avoided, and the winding device 9 on the top of the base 1 realizes automatic winding of the wound film material through the mounting plate 901, the rotating rod 902 and the material collecting film winding shaft 903, so that subsequent packaging and transportation are facilitated.

[0031] The above only describes preferred embodiments of the utility model and is not used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A heating device for the production of heat-shrinkable films, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a pre-stretching device (2), the top of the base (1) is fixedly connected with a heating box (3), the side of the heating box (3) is fixedly connected with a temperature insulation plate (4), the side of the temperature insulation plate (4) is provided with an inlet (5), the top of the heating box (3) is fixedly connected with a hot air circulation device (6), the side of the temperature insulation plate (4) is fixedly connected with a winding device (7) and is located in the inside of the heating box (3), the bottom of the heating box (3) is fixedly connected with a heating mechanism (8), the top of the base (1) is fixedly connected with a winding device (9), the bottom of the heating box (3) is provided with a heat dissipation port (801), the inside of the heating box (3) is fixedly connected with an adjustable heating plate (802), the top of the adjustable heating plate (802) is fixedly connected with a heating coil (803), the top of the heating mechanism (8) is fixedly connected with a temperature sensor (804).

2. The heating device for producing a heat-shrinkable film according to claim 1, characterized by: The top of the base (1) is fixedly connected with a pre-stretching heating roller (201), the side of the pre-stretching heating roller (201) is fixedly connected with a supporting plate (202), the side of the supporting plate (202) is provided with a sliding groove (203), the side of the sliding groove (203) is slidingly connected with a sliding rod (204), the side of the sliding rod (204) is fixedly connected with a pre-stretching compression roller (205).

3. The heating device for producing a heat-shrinkable film according to claim 2, characterized in that: The top of the heating box (3) is fixedly connected with a hot air fan (601), the side of the hot air fan (601) is fixedly connected with a hot air duct (602).

4. The heating device for producing a heat-shrinkable film according to claim 3, characterized in that: The side of the hot air duct (602) is fixedly connected with a shunt pipe (603) and is located in the inside of the heating box (3), the side of the shunt pipe (603) is fixedly connected with an air outlet pipe (604).

5. The heating device for producing a heat-shrinkable film according to claim 4, characterized in that: The side of the temperature insulation plate (4) is fixedly connected with a fixed plate (701), the side of the fixed plate (701) is fixedly connected with a connecting plate (702).

6. The heating device for producing a heat-shrinkable film according to claim 5, wherein: The side of the connecting plate (702) is fixedly connected with a rotating shaft (703), the side of the rotating shaft (703) is fixedly connected with a film pressing roller (704).

7. The heating device for producing a heat-shrinkable film according to claim 1, characterized by: The top of the base (1) is fixedly connected with a mounting plate (901), the side of the mounting plate (901) is fixedly connected with a rotating rod (902), the side of the rotating rod (902) is fixedly connected with a material receiving film belt reel (903).

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