CN219257935U - Heat shrink packaging machine - Google Patents
Heat shrink packaging machine Download PDFInfo
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- CN219257935U CN219257935U CN202320840414.XU CN202320840414U CN219257935U CN 219257935 U CN219257935 U CN 219257935U CN 202320840414 U CN202320840414 U CN 202320840414U CN 219257935 U CN219257935 U CN 219257935U
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- packaging machine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a heat shrinkage packaging machine, which is characterized by comprising a frame, wherein a conveying device and a heating box are arranged on the frame, a feed inlet and a discharge outlet are arranged on the heating box, and wind shielding components are arranged at the feed inlet and the discharge outlet; the wind shielding component comprises a transmission shaft which is elastically hinged with the frame, and a control board is fixedly connected to the transmission shaft; the device also comprises a rotating shaft which is positioned above the feed inlet or the discharge outlet and is rotationally connected with the heating box, and a wind shielding curtain is wound on the rotating shaft; a transmission assembly is also arranged between the transmission shaft and the rotating shaft; when the transmission shaft rotates, the transmission assembly drives the rotating shaft to rotate; through the structure, when the article passes through the control panel, the transmission assembly drives the wind shielding curtain to be wound, so that the wind shielding curtain is prevented from covering the top of the article to influence the forming effect of the heat shrinkage film; simultaneously can keep away from the control panel after article for the quick whereabouts of curtain shields the heating cabinet opening, has reduced the giving off of heating cabinet heat.
Description
Technical Field
The utility model relates to the technical field of packaging equipment, in particular to a heat shrinkage packaging machine.
Background
The heat shrink packaging machine is used for wrapping the product by a heat shrink film and then heating the product, so that the heat shrink film tightly wraps the product after shrinking; the heat shrink packaging machine mainly comprises a frame, a conveyor belt assembly and a heating box arranged above the conveyor belt assembly, wherein a plurality of heating pipes are arranged in the heating box. When the heat-shrinkable film heating device is used, the product wrapped with the heat-shrinkable film sequentially passes through the heating box through the conveyor belt assembly so as to heat the heat-shrinkable film.
In order to preserve heat of the heat in the heating box, the discharge port and the feed port of the existing heat shrink packaging machine are provided with a flexible wind shielding curtain to shield the discharge port and the feed port, so that heat dissipation is reduced; however, in the actual use process, when some products with higher height, such as articles like cartons, are conveyed, when the products pass through the feeding hole or the discharging hole, the wind shielding curtain covers the top of the articles, and the wind shielding curtain can not fall down again to shield the discharging hole until the tail end of the articles enters the heating box for a certain distance and is separated from the wind shielding curtain; when the articles enter the heating box for blowing and heating, the heat shrinkage film at the top of the articles cannot be blown by hot air due to the coverage of the wind shielding curtain, so that the heating time and temperature of the heat shrinkage film at the top are affected, and the forming effect is poor; meanwhile, when articles with higher heights are conveyed, the wind shielding curtain can be lifted to a higher height, so that the opening time of the wind shielding curtain is longer, the heat dissipation in the heating box is increased, and the energy consumption of equipment is increased.
Disclosure of Invention
In order to solve the problems, the utility model provides the heat shrinkage packaging machine, which can prevent the top of the heat shrinkage film from being covered by a wind shielding curtain when articles enter or are sent out of a heating box, so that the heat shrinkage film is more uniform in heat shrinkage and better in forming effect; meanwhile, the opening time of the wind shielding curtain is reduced, and the heat dissipation in the heating box is reduced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the heat shrinkage packaging machine comprises a frame, wherein a conveying device and a heating box are arranged on the frame, and a feed inlet and a discharge outlet are arranged on the heating box; the wind shielding assembly comprises a transmission shaft which is elastically hinged with the frame, a control board is fixedly connected to the transmission shaft, and the transmission shaft is positioned below the conveying device; the device also comprises a rotating shaft which is positioned above the feeding hole or the discharging hole and is rotationally connected with the heating box, wherein a wind shielding curtain is wound on the rotating shaft, and a counterweight bar is arranged on the wind shielding curtain; a transmission assembly is further arranged between the transmission shaft and the rotating shaft; when the transmission shaft rotates, the transmission assembly drives the rotating shaft to rotate.
The utility model is further arranged that the conveying device comprises conveying chains arranged on two sides of the frame, a conveyor belt is arranged between a pair of conveying chains, a slot which is in sliding fit with the control board is arranged on the conveyor belt, one end of the control board passes through the slot and is positioned below the conveyor belt, and two sides of the control board are connected with the frame through a transmission shaft.
The utility model is further arranged that the transmission assembly comprises a cam fixedly connected to one end of the transmission shaft, and a pressing switch matched with the cam is arranged on one side of the frame; the motor is connected with one end of the rotating shaft and is electrically connected with the pressing switch.
The utility model is further arranged that the transmission assembly comprises a large gear arranged at one end of the transmission shaft, one end of the rotating shaft is connected with a small gear, and the large gear is in transmission connection with the small gear through a transmission chain.
The utility model is further arranged that the frame is also provided with an air cooling component positioned above the conveying device.
The utility model further provides that the air cooling assembly comprises a cover body fixedly connected with the frame, the cover body is positioned at one side of the discharge port of the heating box, and a fan is arranged in the cover body.
The heating box comprises a box body, an air inlet cavity with a fan is arranged above the box body, heating wires are arranged in the air inlet cavity, and air outlet cavities are arranged at two sides of the box body and below the conveyor belt, and are mutually communicated and provided with air outlets facing the inner side of the box body; the air inlet cavity and the air outlet cavity are communicated with each other.
The utility model is further arranged that the air inlet cavity is also internally provided with an air suction inlet positioned at the inner side of the box body, and the air suction inlet is provided with a suction fan.
In summary, the utility model has the following beneficial effects:
compared with the prior art, the wind shielding assembly is arranged at the feed inlet and the discharge outlet, so that the heating box can be insulated; the wind shielding curtain can be lifted up through the downward pressing swing of the control panel, so that the opening of the feed inlet and the discharge outlet is realized, and the objects can be conveyed smoothly; meanwhile, the winded wind shielding curtain can not cover the top of the article when the article passes through, so that the shrinkage effect is prevented from being affected by uneven heating of the heat shrinkage film at the top of the article; meanwhile, after the tail end of the article enters the feed inlet or is separated from the discharge outlet, the windshield can cover the feed inlet and the discharge outlet at the first time, so that heat dissipation in the heating box is reduced.
Drawings
Fig. 1 is a perspective view of embodiment 1.
Fig. 2 is a side cross-sectional view of an embodiment.
Fig. 3 is a front cross-sectional view of example 1.
Fig. 4 is a partial enlarged view of fig. 3.
Fig. 5 is an enlarged front view of embodiment 2.
Fig. 6 is a partial enlarged view of fig. 5.
Reference numerals: 1-a frame; 2-a conveying device; 22-conveyor belt; 23-slotting; 3-heating box; 31-a feed inlet; 32-a discharge hole; 33-an air inlet cavity; 34-heating wires; 35-an air outlet cavity; 36-an air outlet; 37-air suction port; 4-a wind shielding assembly; 41-a transmission shaft; 42-control panel; 43-rotating shaft; 44-wind shielding curtain; 45-counterweight bars; 5-a transmission assembly; 51-cam; 52-pressing the switch; 53-motor; 54-large gear; 55-pinion; 56-a drive train; 6-air cooling assembly; 61-cover body; 62-fans.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-6, the embodiment discloses a heat shrink packaging machine, which comprises a frame 1, wherein a driving belt 22 is arranged on the frame 1, the driving belt 22 is in a net shape, and two sides of the driving belt are driven by chains; a heating box 3 and an air cooling assembly 6 are sequentially arranged on the frame 1 along the conveying direction of the conveying belt 22; after the articles wrapped with the heat-shrinkable film enter the heating box 3 from the feed inlet 31, hot air blown out of the heating box 3 can shrink the heat-shrinkable film, so that the articles are wrapped; the heated and contracted articles are sent out from the discharge hole 32; and moves under the cover 61; the axial flow fan above the cover body 61 can cool the heat shrinkage film on the article, so that a worker can take the article quickly.
The existing heating boxes in the market are used for ensuring the temperature in the box body; the wind shielding curtains are arranged on two sides of the box body generally, but when the existing articles pass through the feed inlet or the discharge outlet, the wind shielding curtains cover the tops of the articles under the pushing of the articles until the tail ends of the articles enter the heating box for a certain distance and are separated from the wind shielding curtains, and the wind shielding curtains can fall down again to shield the discharge outlet; if the curtain is too long, the tail end of the article needs to move for a longer distance, and then the wind shielding curtain can fall down; when the articles enter the heating box for blowing and heating, the heat shrinkage film at the top of the articles cannot be blown by hot air due to the coverage of the wind shielding curtain, so that the heating time and the temperature of the heat shrinkage film at the top are influenced, the whole heat shrinkage of the heat shrinkage film is uneven, and the forming effect is poor; meanwhile, when articles with higher heights are conveyed, the wind shielding curtain can be lifted to a higher height, so that the opening time of the wind shielding curtain is longer, the heat dissipation in the heating box is increased, and the energy consumption of equipment is increased.
The wind shielding assembly 4 is arranged at the feed port 31 and the discharge port 32 of the heating box 3, so that the wind shielding curtain can be wound when articles pass through; as shown in fig. 1 and 3-4, the wind shielding assembly 4 comprises a transmission shaft 41 elastically hinged with the frame 1 through a coil spring, a control plate 42 is fixedly connected to the transmission shaft 41, and the control plate 42 passes through a slot 23 on the conveyor belt 22 and is exposed above the conveyor belt; the rotating shaft 43 is rotationally connected with the heating box 3, a wind shielding curtain 44 is wound on the rotating shaft 43, and a counterweight strip 45 is arranged at the bottom of the wind shielding curtain 44; a transmission assembly 5 is further arranged between the transmission shaft 41 and the rotating shaft 43; when the object passes through the control plate 42 through the conveyor belt 22, the weight of the object pushes the control plate 42 to swing forwards, and when the object swings, the transmission shaft 41 is driven to rotate, then the rotating shaft 43 is controlled to rotate through the transmission assembly, and the rotating shaft 43 can wind up the wind shielding curtain 44, so that the object can smoothly pass through; when the tail end of the article leaves the control panel 42, the transmission assembly controls the rotating shaft 43 to rotate reversely, so that the wind shielding curtain 44 falls down again to shield the feed inlet or the discharge outlet;
by the above arrangement, the articles are not contacted with the wind shielding curtain 44 when entering the heating box 3 or being sent out of the heating box 3; the shielding curtain 44 is avoided from shielding the heat-shrinkable film on the top of the article, so that the hot air can uniformly heat and blow the peripheral side of the heat-shrinkable film, the forming effect of the heat-shrinkable film is better, and the generation of fold bubbles is reduced;
meanwhile, when the conveyor belt conveys articles with larger volume and higher height, the wind shielding curtain does not cover the top of the articles, so that the wind shielding curtain can fall down again to shield the opening after the articles are required to be far away from the feed inlet or the discharge outlet for a certain distance; the opening time of the heating box is reduced, and then the heat dissipation in the heating box is reduced.
Example 1:
as shown in fig. 3-4, a cam 51 is disposed on one side of the transmission shaft 41, and a push switch 52 corresponding to the cam 51 is disposed on one side wall of the frame 1; meanwhile, one side of the rotating shaft is connected with a motor 53 controlled by a push switch 52; when the control panel is turned over, the cam 51 at one end of the transmission shaft rotates along with the control panel, so that the pressing switch 52 is pressed, and the pressing switch 52 drives the motor to rotate, so that the wind curtain is rolled up; when the object is far away from the control board 42, the transmission shaft 41 can rotate reversely under the action of the coil spring, the cam can be far away from the press switch 52, and the motor 53 further controls the rotating shaft to rotate reversely, so that the wind shielding curtain can be lowered.
Example 2:
as shown in fig. 5 to 6, one end of the transmission shaft 41 is provided as a large gear 54, and one end of the rotation shaft is provided as a small gear 55; the large gear 54 is meshed with a gear which is connected with the small gear through a transmission chain 56; thus, when the control panel is turned over, the large gear 54 drives the gear to rotate, and the gear drives the small gear to rotate; the pinion controls the rotating shaft to rotate, so that the wind curtain is rolled up. The gear ratio is between the large gear and the gear, so that when the large gear rotates for half a turn, the small gear rotates for several weeks.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The heat shrinkage packaging machine comprises a frame (1), wherein a conveying device (2) and a heating box (3) are arranged on the frame (1), and a feed inlet (31) and a discharge outlet (32) are arranged on the heating box (3), and the heat shrinkage packaging machine is characterized in that wind shielding components (4) are arranged at the feed inlet (31) and the discharge outlet (32); the wind shielding assembly (4) comprises a transmission shaft (41) which is elastically hinged with the frame (1), a control board (42) is fixedly connected to the transmission shaft (41), and the transmission shaft (41) is positioned below the conveying device (2); the automatic heating device is characterized by further comprising a rotating shaft (43) which is positioned above the feeding hole (31) or the discharging hole (32) and is rotationally connected with the heating box (3), wherein a wind shielding curtain (44) is wound on the rotating shaft (43), and a counterweight strip (45) is arranged on the wind shielding curtain (44); a transmission assembly (5) is further arranged between the transmission shaft (41) and the rotating shaft (43); when the transmission shaft (41) rotates, the transmission assembly (5) drives the rotating shaft (43) to rotate.
2. A heat shrink packaging machine according to claim 1, wherein the conveying device (2) comprises conveying chains arranged on two sides of the frame (1), a conveyor belt (22) is arranged between a pair of conveying chains, a slot (23) which is in sliding fit with a control plate (42) is arranged on the conveyor belt (22), one end of the control plate (42) passes through the slot (23) and is positioned below the conveyor belt (22), and two sides of the control plate are connected with the frame (1) through a transmission shaft (41).
3. A heat shrink packaging machine according to claim 2, wherein the transmission assembly (5) comprises a cam (51) fixedly connected to one end of the transmission shaft (41), and a pressing switch (52) matched with the cam (51) is arranged on one side of the frame (1); the electric motor (53) is connected with one end of the rotating shaft (43), and the electric motor (53) is electrically connected with the pressing switch (52).
4. A heat shrink packaging machine according to claim 2, wherein the transmission assembly (5) comprises a large gear (54) arranged at one end of the transmission shaft (41), one end of the rotation shaft (43) is connected with a small gear (55), and the large gear (54) is in transmission connection with the small gear (55) through a transmission chain (56).
5. A heat shrink packaging machine according to claim 1, characterized in that the frame (1) is further provided with an air cooling assembly (6) above the conveyor (2).
6. The heat shrink packaging machine according to claim 5, wherein the air cooling assembly (6) comprises a cover body (61) fixedly connected with the frame (1), the cover body (61) is located at one side of the discharge port (32) of the heating box (3), and an axial flow fan is arranged in the cover body (61).
7. A heat shrink packaging machine according to claim 2, characterized in that the heating box (3) comprises a box body, an air inlet cavity (33) with a fan (62) is arranged above the box body, a heating wire (34) is arranged in the air inlet cavity (33), and an air outlet cavity (35) is arranged at two sides of the box body and below the conveyor belt (22), wherein the air outlet cavities (35) are mutually communicated and are provided with air outlets (36) facing the inner side of the box body; the air inlet cavity (33) is communicated with the air outlet cavity (35).
8. A heat shrink packaging machine according to claim 7, characterized in that the air intake chamber (33) is further provided with an air intake opening (37) inside the casing, the air intake opening (37) being provided with a suction fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840414.XU CN219257935U (en) | 2023-04-10 | 2023-04-10 | Heat shrink packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320840414.XU CN219257935U (en) | 2023-04-10 | 2023-04-10 | Heat shrink packaging machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219257935U true CN219257935U (en) | 2023-06-27 |
Family
ID=86867340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320840414.XU Active CN219257935U (en) | 2023-04-10 | 2023-04-10 | Heat shrink packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219257935U (en) |
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2023
- 2023-04-10 CN CN202320840414.XU patent/CN219257935U/en active Active
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