Automatic wrapping method and device

Abstract

The present invention discloses an automatic wrapping method and device, which relates to the technical field of beverage production equipment. The wrapping structure, the heat shrinking furnace and the cold air conveying device are connected in sequence through a conveying device, and the beverage is conveyed to the wrapping device through a conveyor belt, and a film is attached. The beverage with the film is conveyed to the heat shrinking furnace for shrinking and molding, and the beverage with the film after heat shrinkage is conveyed to the cold air conveying device. During the conveying process, the distance between the beverage and the support plate is detected by an infrared range-finding sensor, and it is determined that the beverage moves to the uphill part of the conveyor belt, the connecting arm rotates downward, and the support plate moves to the side of the beverage away from the cooling box to assist in pushing the beverage upward. The beverage is cooled 360 degrees by a spiral air guide pipe section in the cooling box, and finally the beverage with the film completely cooled and fixed is conveyed to the coding and packing station. The present invention solves the problem that the film cannot be completely cooled and the fixing is poor in the existing automatic wrapping process, which affects transportation and warehousing.

Description

Technical Field

[0001] The present invention relates to the technical field of beverage production equipment, and specifically to an automatic wrapping method and device. Background Art

[0002] The conventional processing flow of the beverage production line is: raw material tank → dissolving tank → automatic mixing tank → filtration, degassing, homogenization → aseptic sterilizer → aseptic temporary storage tank → filling / sealing → sterilization / cooling → labeling → heat shrinking → coding → packing. The heat shrinking process is to use a heat shrink plastic film packaging machine to heat shrink the beverages that have been arranged according to the specifications, and use shrink film to wrap the outside of the product or package. After heating, the shrink film wraps the product or package tightly, fully displaying the appearance of the item, improving the product's sales performance, and increasing its beauty and value. At the same time, it prevents the goods from being loose during transportation, making transportation convenient;

[0003] However, the existing heat shrinkable plastic film packaging process has a short cooling time and weak cooling effect, and the film cannot be quickly cooled and shaped. The film that has not been completely cooled is easy to deform, resulting in poor packaging effect and affecting the transportation, sales and storage of the product. Therefore, we propose an automatic wrapping method and device. Summary of the invention

[0004] The object of the present invention is to provide an automatic wrapping method and device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic wrapping device, comprising a wrapping structure for wrapping an object to be packaged, a heat shrinking furnace for shrinking and forming a film on the object to be packaged, and a cold air conveying device for cooling and shaping the film on the object to be packaged, wherein the wrapping structure, the heat shrinking furnace, and the cold air conveying device are sequentially connected together through a conveying device, the wrapping device also comprises an electrical control unit and an operation panel, the electrical control unit is electrically connected to the wrapping structure, the heat shrinking furnace, and the cold air conveying device, the operation panel is electrically connected to the electrical control unit, the cold air conveying device comprises a cooling box, the feeding end and the discharging end of the cooling box are both provided with openings, a feeding door whose rotation direction is toward the inside of the cooling box is hinged on the opening of the feeding end, and a discharging door whose rotation direction is toward the outside of the cooling box is hinged on the opening of the discharging end, and the conveying device comprises a conveyor belt, and the conveyor belt is located at a horizontal height of the part inside the cooling box The degree is higher than that of the part located outside the cooling box body, the part of the conveyor belt located inside the cooling box body is arranged between the inner rings of the spiral air guide pipe, and the spiral air guide pipe is installed in the cooling box body through a mounting seat, and a baffle is provided inside the cooling box body, and a circulating fan is provided in the cooling box body and above the baffle, and a refrigerator is clamped on the upper part of the baffle, and an air collecting cylinder is provided in the cooling box body and below the baffle, the air inlet end of the air collecting cylinder is connected with the air outlet end of the circulating fan, the air outlet end of the air collecting cylinder is connected to the air inlet of the spiral air guide pipe, and air outlets are evenly opened on the side wall of the spiral air guide pipe on the side facing the conveyor belt, the air inlet end of the refrigerator is connected to the area of ​​the cooling box body located under the baffle, and the air outlet end of the refrigerator is connected to the circulating fan, a plurality of temperature sensors are provided in the cooling box body, and the temperature sensors are electrically connected to the electrical control unit, and an auxiliary propulsion device is provided on the upper surface of the cooling box body near the feed door.

[0006] Preferably, the auxiliary propulsion device includes an electric telescopic rod installed on the upper surface of the cooling box body, the telescopic end of the electric telescopic rod is equipped with a rotating motor through a motor seat, a connecting arm is provided on the driving end of the rotating motor, a supporting structure is provided at one end of the connecting arm close to the conveyor belt, an infrared ranging sensor is provided on the lower surface of the supporting structure, and the electric telescopic rod, the rotating motor and the infrared ranging sensor are electrically connected to the electrical control unit.

[0007] Preferably, the supporting structure includes a support plate with a through groove connected to the connecting arm bolts, an adjustment plate is symmetrically slidably connected in the through groove of the support plate, the adjustment plate is trumpet-shaped, and evenly distributed limiting protrusions are also provided in the through groove of the support plate, and a limiting groove used in conjunction with the limiting protrusion is provided on the outer surface of the adjustment plate.

[0008] Preferably, it also includes a position adjustment device, which includes a table plate arranged on the lower surface of the cooling box, a lifting structure is symmetrically provided at the edge of the lower surface of the table plate, and an angle adjustment structure is provided at the center of the lower surface of the table plate, and the lifting structure and the angle adjustment structure are both electrically connected to the electrical control unit.

[0009] Preferably, the lifting structure includes a lead screw driven by a motor and a light rod located on one side of the lead screw, which are symmetrically placed on the lower surface of the table. A moving bar is threadedly connected to the lead screw, and the moving bar is slidably connected to the light rod. A support column is vertically connected to the upper surface of the moving bar, and the support column is slidably connected to the lower surface of the table. The lower surface of the table is provided with a placement groove for cooperating with the lead screw and the light rod.

[0010] Preferably, the angle adjustment structure comprises an arc-shaped groove provided on the lower surface of the table plate and used in conjunction with the support column, and balls are evenly provided on the groove wall of the arc-shaped groove and are rollingly connected.

[0011] An automatic wrapping method based on an automatic wrapping device comprises the following steps:

[0012] S1. The beverage after a processing process on the production line is transferred to the wrapping device via a conveyor belt and a film is attached;

[0013] S2. The beverage with the film in S1 is transferred to a heat shrinking furnace, where the film is shrunk and formed;

[0014] S3. The beverage with film attached after heat shrinkage in S2 is conveyed to the cold air conveying device. During the conveying process, the distance between the beverage and the support plate is detected by the infrared distance measuring sensor. When it is determined that the beverage moves to the uphill part of the conveyor belt, the connecting arm rotates downward, and the support plate moves to the side of the beverage away from the cooling box to assist in pushing the beverage upward. The beverage is cooled 360 degrees by air in the cooling box through the spiral air guide section.

[0015] S4. The beverage whose film has been completely cooled and shaped in S3 is conveyed to the coding and packing station.

[0016] Compared with the prior art, the beneficial effects of the present invention are: an automatic wrapping method and device, the present invention transmits the beverage with film that has been heat-shrunk to the cold air conveying device, and the beverage is 360-degree air-cooled in the cooling box through the spiral air guide section, so as to achieve complete cooling of the packaging film and prevent it from deforming, causing the packaging to be loose or easy to deform and break, affecting the transportation, sales and storage of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main internal structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the bottom view of the table plate of the present invention;

[0019] Figure 3 It is a schematic diagram of the side view structure of the table of the present invention;

[0020] Figure 4 It is a schematic diagram of the cross-sectional structure of the support structure of the present invention.

[0021] In the figure: 31-cooling box, 311-feeding door, 312-discharging door, 313-baffle, 314-temperature sensor, 32-spiral air guide tube, 321-air outlet, 33-circulating fan, 34-refrigeration machine, 35-wind collecting tube, 41-conveyor belt, 51-electric telescopic rod, 52-rotating motor, 53-connecting arm, 541-support plate, 542-adjusting plate, 55-infrared ranging sensor, 6-table, 61-placing groove, 62-arc groove, 63-ball, 71-screw, 72-light rod, 73-moving bar, 74-support column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-4The present invention provides a technical solution: an automatic wrapping device, comprising a wrapping structure, a heat shrinking furnace, and a cold air conveying device, wherein the wrapping structure, the heat shrinking furnace, and the cold air conveying device are sequentially connected together through a conveying device, the wrapping device also comprises an electrical control unit and an operation panel, wherein the electrical control unit is electrically connected to the wrapping structure, the heat shrinking furnace, and the cold air conveying device, wherein the operation panel is electrically connected to the electrical control unit, and the cold air conveying device comprises a cooling box 31, wherein both the feeding end and the discharging end of the cooling box 31 are provided with openings, and the opening of the feeding end The opening of the cooling box 31 is hinged with a feeding door 311 whose rotation direction faces the inside of the cooling box 31, and the opening of the discharging end is hinged with a discharging door 312 whose rotation direction faces the outside of the cooling box 31. The conveying device includes a conveyor belt 41, which is a conveyor belt with vents. The horizontal height of the part of the conveyor belt 41 located inside the cooling box 31 is higher than that of the part located outside the cooling box 31. The part of the conveyor belt 41 located inside the cooling box 31 is arranged between the inner rings of the spiral air guide pipe 32. In other words, the conveyor belt 41 passes through the inner ring of the spiral air guide pipe 32. The inner ring, and the cold air blown out from the air outlet 321 on the lower side of the spiral air guide 32 cools the lower side of the film through the vent, the spiral air guide 32 is installed in the cooling box 31 through the mounting seat, the interior of the cooling box 31 is provided with a baffle 313, the cooling box 31 is provided with a circulating fan 33 above the baffle 313, the baffle 313 is clamped with a refrigerator 34, the cooling box 31 is provided with an air collecting tube 35 below the baffle 313, and the air inlet end of the air collecting tube 35 is connected to the air outlet end of the circulating fan 33 The air outlet end of the air collecting cylinder 35 is connected to the air inlet of the spiral air duct 32. The spiral air duct 32 is evenly provided with air outlets 321 on the side wall facing the conveyor belt 41. The air inlet end of the refrigerator 34 is connected to the area of ​​the cooling box 31 located under the baffle 313. The air outlet end of the refrigerator 34 is connected to the circulating fan 33. A plurality of temperature sensors 314 are provided in the cooling box 31, and the temperature sensors 314 are electrically connected to the electrical control unit. An auxiliary propulsion device is provided on the upper surface of the cooling box 31 near the feed door 311.

[0024] Specifically, the auxiliary propulsion device includes an electric telescopic rod 51 installed on the upper surface of the cooling box 31, and a rotating motor 52 is installed on the telescopic end of the electric telescopic rod 51 through a motor seat. A connecting arm 53 is provided on the driving end of the rotating motor 52, and a supporting structure is provided at the end of the connecting arm 53 close to the conveyor belt 41, and an infrared ranging sensor 55 is provided on the lower surface of the supporting structure. The electric telescopic rod 51, the rotating motor 52 and the infrared ranging sensor 55 are electrically connected to the electrical control unit. When the infrared ranging sensor 55 detects that the product is located at the feed gate 311, that is, the uphill section of the conveyor belt 41, the information is fed back to the control unit, and the control unit controls the telescopic end of the electric telescopic rod 51 to descend, and controls the rotating motor 52 at the same time. The rotating motor 52 drives the connecting arm 53 to rotate, and the product is assisted to ascend by the support plate 541 and the adjustment plate 542. After the product enters the cooling box 31, the telescopic end of the electric telescopic rod 51 rises, and the rotating motor 52 rotates in the opposite direction to restore the connecting arm 53 to the initial position, waiting for the detection of the approaching of the downward moving product, and repeating the above operation.

[0025] Specifically, the supporting structure includes a support plate 541 with a through groove which is bolted to the connecting arm 53, and an adjustment plate 542 is symmetrically slidably connected in the through groove of the support plate 541. The adjustment plate 542 is trumpet-shaped, and evenly distributed limiting protrusions are also provided in the through groove of the support plate 541. The outer surface of the adjustment plate 542 is provided with a limiting groove used in conjunction with the limiting protrusions. The above design can be applied to products of different packaging specifications. When the specifications are expanded or reduced, before production, the length of the adjustment plate 542 extending into the through groove can be adjusted, and the adjustment plate 542 is an L-shaped baffle, which can semi-enclose the product for protection to prevent the position of the beverages from moving.

[0026] Specifically, it also includes a position adjustment device, which includes a table plate 6 arranged on the lower surface of the cooling box 31, a lifting structure is symmetrically provided at the edge of the lower surface of the table plate 6, and an angle adjustment structure is provided at the center of the lower surface of the table plate 6, and the lifting structure and the angle adjustment structure are both electrically connected to the electrical control unit.

[0027] Specifically, the lifting structure includes a lead screw 71 driven by a motor and symmetrically placed on the lower surface of the table 6, and a light rod 72 located on one side of the lead screw 71, a moving bar 73 is threadedly connected to the lead screw 71, and the moving bar 73 is slidably connected to the light rod 72, and a support column 74 is vertically connected to the upper surface of the moving bar 73, and the support column 74 is slidably connected to the lower surface of the table 6, and the lower surface of the table 6 is provided with a placement groove 61 used to cooperate with the lead screw 71 and the light rod 72, and the placement groove 61 ensures that the position of the table is stable when it contacts the lead screw 71 and the light rod 72.

[0028] Specifically, the angle adjustment structure includes an arc groove 62 opened on the lower surface of the table 6 and used in conjunction with the support column 74. The groove wall of the arc groove 62 is evenly provided with rolling balls 63. The setting of the balls 63 changes the sliding friction into rolling friction, making the operation more labor-saving.

[0029] An automatic wrapping method based on an automatic wrapping device comprises the following steps:

[0030] S1. The beverage after a processing process on the production line is transferred to the wrapping device via a conveyor belt and a film is attached;

[0031] S2. The beverage with the film in S1 is transferred to a heat shrinking furnace, where the film is shrunk and formed;

[0032] S3. The beverage with film attached after heat shrinkage in S2 is conveyed to the cold air conveying device. During the conveying process, the distance between the beverage and the support plate is detected by the infrared distance measuring sensor. When it is determined that the beverage moves to the uphill part of the conveyor belt, the connecting arm rotates downward, and the support plate moves to the side of the beverage away from the cooling box to assist in pushing the beverage upward. The beverage is cooled 360 degrees by air in the cooling box through the spiral air guide section.

[0033] S4. The beverage whose film has been completely cooled and shaped in S3 is conveyed to the coding and packing station.

[0034] Working principle: The present invention is a wrapping link (i.e. heat shrinkable plastic film packaging) in the processing and production of beverage products. The product packaging is achieved by attaching a film to the product that has been filled in the previous process for heat shrinkage. After the heat shrinkage furnace, the product with the film enters the cold air input device 3. When the infrared ranging sensor 55 detects that the product is located at the feed door 311, that is, the uphill section of the conveyor belt 41, the information is fed back to the control unit. The control unit controls the electric telescopic rod 51 to descend, and controls the rotation motor 52 at the same time. By rotating the motor 52, the connecting arm 53 is driven to rotate, and the support plate 541 and the adjustment plate 542 assist the product to go up, so as to prevent the uncooled film from being unable to form a stable package, causing the film to be damaged. The force breaks, and the circulating fan 33 is started through the operation panel and the electrical control unit. The circulating fan blows the gas cooled by the refrigerator from the spiral air duct 32 to the area under the baffle 313 to cool the film. Because the spiral air duct 32 is located outside the conveyor belt 41, that is, the product and the conveyor belt 41 pass through the spiral air duct 32, thereby achieving 360-degree cooling. The temperature in the cooling box 31 can be transmitted to the control unit in real time through the temperature sensor 314. When the temperature in the box is higher than the predetermined temperature, the circulating fan 33 is controlled to increase the gas circulation volume to ensure temperature stability and effective cooling. After cooling, the product is transported out through the discharge 312 to complete the wrapping process;

[0035] When the entire device needs to be inspected and repaired, the control unit controls the rotation of the lead screw 71 driven by the motor, and cooperates with the light rod 72 to move the movable bar 73 and the support column 74 upward, so that the table 6 is separated from the lead screw 71 and the light rod 72. When the lower end of the table 6 is higher than the adjacent equipment, the table 6 is pushed. Since the support column 74 and the arc-shaped groove 62 are slidably connected, the table 6 can be rotated outward, thereby expanding the maintenance personnel's through-field field of view, thereby facilitating maintenance and repair by the maintenance personnel.

[0036] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic wrapping device, comprising a wrapping structure, a heat shrinking furnace, and a cold air conveying device, wherein the wrapping structure conveyor belt, the heat shrinking furnace conveyor belt, and the cold air conveying device are sequentially connected together through a conveying device, and the wrapping device further comprises an electrical control unit and an operation panel, wherein the electrical control unit is electrically connected to the wrapping structure conveyor belt, the heat shrinking furnace conveyor belt, and the cold air conveying device, and the operation panel is electrically connected to the electrical control unit, characterized in that: The cold air conveying device comprises a cooling box (31), the feeding end and the discharging end of the cooling box (31) are both provided with openings, the feeding end opening is hinged with a feeding door (311) whose rotation direction faces the inside of the cooling box (31), and the discharging end opening is hinged with a discharging door (312) whose rotation direction faces the outside of the cooling box (31), the conveying device comprises a conveyor belt (41), the horizontal height of the part of the conveyor belt (41) located inside the cooling box (31) is higher than that of the part of the conveyor belt (41) located outside the cooling box (31), the part of the conveyor belt (41) located inside the cooling box (31) is arranged between the inner rings of the spiral air guide pipe (32), the spiral air guide pipe (32) is installed in the cooling box (31) through a mounting seat, the cooling box (31) is provided with a baffle (313), and the cooling box (31) and above the baffle (313) are provided with a circulating air The cooling box (33) is provided with a refrigerating machine (34) on the baffle (313), and an air collecting cylinder (35) is provided in the cooling box (31) and below the baffle (313), the air inlet end of the air collecting cylinder (35) is connected to the air outlet end of the circulating fan (33), the air outlet end of the air collecting cylinder (35) is connected to the air inlet of the spiral air guide pipe (32), and the side wall of the spiral air guide pipe (32) facing the conveyor belt (41) is evenly provided with air outlet ports. The cooling box (31) has an air inlet (321), an air inlet end of the refrigerator (34) is in communication with a region of the cooling box (31) located below the baffle (313), an air outlet end of the refrigerator (34) is in communication with the circulating fan (33), a plurality of temperature sensors (314) are provided in the cooling box (31), and the temperature sensors (314) are electrically connected to an electrical control unit, and an auxiliary propulsion device is provided on a side of the upper surface of the cooling box (31) close to the feed door (311); The auxiliary propulsion device comprises an electric telescopic rod (51) mounted on the upper surface of the cooling box (31); a rotating motor (52) is mounted on the telescopic end of the electric telescopic rod (51) via a motor seat; a connecting arm (53) is provided on the driving end of the rotating motor (52); a supporting structure is provided at one end of the connecting arm (53) close to the conveyor belt (41); an infrared distance measuring sensor (55) is provided on the lower surface of the supporting structure; and the electric telescopic rod (51), the rotating motor (52) and the infrared distance measuring sensor (55) are electrically connected to an electrical control unit; The support structure comprises a support plate (541) with a through slot connected to the connecting arm (53) by bolts, an adjustment plate (542) being symmetrically slidably connected in the through slot of the support plate (541), the adjustment plate (542) being trumpet-shaped, evenly distributed limiting protrusions being further provided in the through slot of the support plate (541), and limiting grooves for use in conjunction with the limiting protrusions being provided on the outer surface of the adjustment plate (542); It also includes a position adjustment device, the position adjustment device including a platform (6) arranged on the lower surface of the cooling box (31), a lifting structure being symmetrically arranged at the edge of the lower surface of the platform (6), an angle adjustment structure being arranged at the center of the lower surface of the platform (6), and the lifting structure and the angle adjustment structure being electrically connected to the electrical control unit; The lifting structure comprises a lead screw (71) driven by a motor and symmetrically placed on the lower surface of a table (6) and a light rod (72) located on one side of the lead screw (71); a moving bar (73) is threadedly connected to the lead screw (71); the moving bar (73) and the light rod (72) are slidably connected; a support column (74) is vertically connected to the upper surface of the moving bar (73); the support column (74) and the lower surface of the table (6) are slidably connected; and a placement groove (61) is provided on the lower surface of the table (6) for use with the lead screw (71) and the light rod (72); The angle adjustment structure comprises an arc-shaped groove (62) provided on the lower surface of the table (6) and used in conjunction with the support column (74), and rolling balls (63) are evenly arranged on the groove wall of the arc-shaped groove (62) and are connected in a rolling manner.

2. An automatic wrapping method based on an automatic wrapping device, which is completed by using the automatic wrapping device according to claim 1, characterized in that: The following steps are involved: S1. The beverage after a processing process on the production line is transferred to the wrapping device via a conveyor belt and a film is attached; S2. The beverage with the film in S1 is transferred to a heat shrinking furnace, where the film is shrunk and formed; S3. The beverage with film attached after heat shrinkage in S2 is conveyed to the cold air conveying device. During the conveying process, the distance between the beverage and the support plate is detected by the infrared distance measuring sensor. When it is determined that the beverage moves to the uphill part of the conveyor belt, the connecting arm rotates downward, and the support plate moves to the side of the beverage away from the cooling box to assist in pushing the beverage upward. The beverage is cooled 360 degrees by air in the cooling box through the spiral air guide section. S4. The beverage whose film has been completely cooled and shaped in S3 is conveyed to the coding and packing station.

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