CN211494763U

CN211494763U - Automatic thermal contraction packaging equipment

Info

Publication number: CN211494763U
Application number: CN201922387155.6U
Authority: CN
Inventors: 迟健
Original assignee: Beijing Yixin Printing Co ltd
Current assignee: Beijing Yixin Printing Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-15
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to an automatic thermal contraction packaging device, which relates to the technical field of packaging devices and comprises a processing table and a feeding table arranged in front of the processing table, wherein the feeding table is provided with a first conveying belt, and the processing table is provided with a second conveying belt; the processing table is provided with a heat sealing mechanism positioned between the first conveyor belt and the second conveyor belt; the feeding table is provided with a film feeding mechanism; the feeding table is provided with a limiting mechanism, the limiting mechanism comprises a transverse plate arranged above the first conveying belt and a limiting piece arranged on the transverse plate; the limiting piece is arranged on the transverse plate in a sliding mode along the width direction of the first conveyor belt; a yielding groove facing the film supply mechanism is formed in the limiting piece, and the limiting piece is close to one side of the heat sealing mechanism; one side of the film is limited on the limiting part through the abdicating groove; the utility model discloses have the consumption that can reduce the film, improve packaging quality's effect.

Description

Automatic thermal contraction packaging equipment

Technical Field

The utility model belongs to the technical field of the technique of equipment for packing and specifically relates to an automatic change heat-shrinkable packaging equipment is related to.

Background

The heat shrink packaging machine is a highly automatic device, and is widely applied to industries such as medicines, foods, beverages, housewares and the like. It is made up by using shrink film to cover the exterior of product or package material, then heating to make the packaging material shrink and tightly cover the product or package material so as to obtain the effect of sealing, moisture-proofing and contamination-proofing.

In the prior art, chinese patent with publication No. CN205872641U discloses an automatic heat shrink packaging machine structure comprising a machine body, a power box, a film supply device, a transmission device and a heat shrink device, wherein the power box is fixedly mounted on the machine body, the film supply device is fixedly welded on the machine body, the transmission device is fixedly welded on the machine body, the heat shrink device is connected with the machine body through electric welding, the machine body comprises a transverse plate, a support pillar, a connecting plate and wheels, the transverse plate is fixedly welded on the upper part of the support pillar, the connecting plate is fixedly welded on the lower part of the support pillar, the wheels are fixedly mounted on the lower part of the support pillar, and the power box is fixedly; when the packaging machine is used, a power supply is switched on, objects to be packaged are placed on the conveying belt, whether a film exists on a fixing rod of the film supply device is checked, then the conveying device is started, the heat shrinking device is started on the control key, the objects are packaged by the film, the film is cut off by the cutter, the objects enter the heat shrinking furnace, the film is shrunk and cooled, and packaging is finished; the automation is realized, and the control is easy.

The above prior art solutions have the following drawbacks: when the middle part of the film is cut off by the cutter, the film close to one side of the film supply device can be wrinkled and collapsed due to the fact that the material of the film is soft; the collapsed film not only affects the packaging effect to a certain extent, but also the loose film causes material waste during packaging, and the consumption of the film is increased.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide an automatic heat-shrinkable packaging equipment has the consumption that can reduce the film, improves packaging quality's effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an automatic thermal contraction packaging device comprises a processing table, a feeding table arranged in front of the processing table, a first conveying belt arranged on the feeding table, and a second conveying belt arranged on the processing table; the processing table is provided with a heat sealing mechanism positioned between the first conveyor belt and the second conveyor belt; the feeding table is provided with a film feeding mechanism; the feeding table is provided with a limiting mechanism, the limiting mechanism comprises a transverse plate arranged above the first conveying belt and a limiting piece arranged on the transverse plate; the limiting piece is arranged on the transverse plate in a sliding mode along the width direction of the first conveyor belt; a yielding groove facing the film supply mechanism is formed in the limiting piece, and the limiting piece is close to one side of the heat sealing mechanism; one side of the film is limited on the limiting part through the abdicating groove.

By adopting the technical scheme, the film is pulled out of the film supply mechanism during working, and then passes through the receding groove of the limiting part; because the limiting piece is close to one side of the heat sealing mechanism, when the middle part of the film is cut off, the film close to one side of the film supply mechanism can be supported through the limiting piece; therefore, the collapse amount of the film can be reduced, the film is ensured to be flat, the consumption of the film during processing can be reduced, and materials are saved; when the specification of the film is changed, the upper end of the limiting piece slides along the width direction of the first conveying belt, so that the film can be ensured to smoothly penetrate into the abdicating groove; the position of locating part is adjusted to suitable position, makes the inside wall and the laminating of film one side in the groove of stepping down to enable the film to keep stable when removing and avoid taking place the skew, play spacing effect to the film.

The present invention may be further configured in a preferred embodiment as: the limiting mechanism further comprises a guide rod hinged to the lower end of the transverse plate, and the guide rod is arranged along the sliding direction of the limiting piece; the guide rod rotates around the hinged shaft along the vertical direction, and the guide rod is located on one side of the limiting part.

By adopting the technical scheme, before the film passes through the abdicating groove, the film is firstly placed above the guide rod; the guide rod is overturned to a proper height around the hinge shaft, so that the film can be tensioned, and the conditions of collapse and looseness of the film during packaging are avoided; the guide rod can be suitable for tensioning films of different models, and the tightness of the films can be adjusted, so that the guide rod is more suitable for actual production and application.

The present invention may be further configured in a preferred embodiment as: the lower end of the limiting piece is provided with a material baffle which is arranged along the transmission direction of the first conveyor belt; the lower end of the material baffle is close to the upper surface of the first conveyor belt.

By adopting the technical scheme, when the articles to be packaged are placed on the first conveying belt between the material baffle plate and the inner side wall of the feeding table, the articles can be limited through the material baffle plate, so that the articles can be kept stable on the first conveying belt; the situation that the articles are toppled and turned over is avoided; when the width of article changes, need adopt the film of corresponding width, need will give way the position of groove and adjust simultaneously, when moving the position of locating part, the position of striker plate also can be followed the locating part and adjusted to the appropriate position together.

The present invention may be further configured in a preferred embodiment as: the striker plate is provided with a connecting rod arranged along the sliding direction of the limiting piece; the feeding table is provided with a fixed seat, and the connecting rod is inserted into and slidably arranged in the fixed seat; and the fixed seat is in threaded connection with an adjusting bolt for fixing the connecting rod.

Through adopting above-mentioned technical scheme, because the length of striker plate is longer, pass through adjusting bolt with connecting rod one end and screw up to fix on the fixing base, the connecting rod can not only play fixed effect to the striker plate, enables the striker plate moreover and when carrying on article spacing, avoids striker plate self to take place the skew, and then can improve the holistic stability of striker plate.

The present invention may be further configured in a preferred embodiment as: the film supply mechanism comprises a film supply frame, and a rotating rod for placing a film is rotatably connected to the film supply frame; the dwang slides along vertical direction and sets up on supplying the membrane frame, supply the membrane shelf location to have the output shaft to follow the lift cylinder that vertical direction was placed, lift cylinder output shaft and dwang linkage.

By adopting the technical scheme, the sleeve wound with the film is sleeved on a proper rotating rod, and then the film is pulled into a processing table; when the film drawing device works, the height of the rotating rod is moved downwards through the lifting cylinder along with the gradual reduction of the thickness of the film on the sleeve, so that the sleeve is moved to a proper height, and the drawing length of the film can be shortened; the film is in a tensioning state, and the packaging effect of the film is further ensured.

The present invention may be further configured in a preferred embodiment as: the heat sealing mechanism comprises a lower pressing table and an upper pressing table; the lower pressing table and the upper pressing table are arranged oppositely, and move towards or away from each other under the action of a driving source; heating wires for heating are arranged in the lower pressing table and the upper pressing table.

Through adopting above-mentioned technical scheme, the heating wire after the circular telegram enables to push down the platform and heat with the relative lateral wall of last pressure platform, when the film covers both sides about article, the second conveyer belt will pause and remove, push down the platform and will move in opposite directions with last pressure platform under the effect of driving source afterwards, and can compress tightly the heat-seal with the film opening of article both sides, push down the platform after finishing sealing and will separate with last pressure platform, and the article after the packing finishes will carry backward under the drive of second conveyer belt, whole seal work is automatic to be accomplished, the efficiency of packing has been improved.

The present invention may be further configured in a preferred embodiment as: the upper pressing table is provided with a vertical cutter, and the cutter is positioned on the outer side of the upper pressing table and close to one side of the limiting mechanism.

By adopting the technical scheme, after the films on the two sides of the article are subjected to heat sealing, the cutter presses downwards to separate the heat-sealed films through the cutter, so that each article forms an independent package; it should be mentioned that the cutter cuts only the middle of the film, thereby ensuring that both sides of the film can be smoothly pulled forward.

The present invention may be further configured in a preferred embodiment as: a sensor positioned on one side of the heat sealing mechanism is arranged on the processing table, and the sensor is electrically connected with the heat sealing mechanism; the sensor is used for sensing the article to be packaged, so as to control the driving source to enable the heat sealing mechanism to act.

By adopting the technical scheme, when the sensor senses that the article to be packaged moves to one side of the heat sealing mechanism, the driving source can control the heat sealing mechanism to act, so that the heat sealing work is more accurate, and the accurate control is realized; unnecessary waste is reduced, and the working efficiency is improved.

To sum up, the utility model discloses a following at least one useful technological effect:

when the film feeding mechanism works, the film is pulled out of the film feeding mechanism and then passes through the receding groove of the limiting piece; because the limiting piece is close to one side of the heat sealing mechanism, when the middle part of the film is cut off, the film close to one side of the film supply mechanism can be supported through the limiting piece; therefore, the collapse amount of the film can be reduced, the film is ensured to be flat, the consumption of the film during processing can be reduced, and materials are saved; when the specification of the film is changed, the upper end of the limiting piece slides along the width direction of the first conveying belt, so that the film can be ensured to smoothly penetrate into the abdicating groove; the position of locating part is adjusted to suitable position, makes the inside wall and the laminating of film one side in the groove of stepping down to enable the film to keep stable when removing and avoid taking place the skew, play spacing effect to the film.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view showing a partial structure of the film supplying mechanism of the present invention;

fig. 4 is a schematic view showing a local structure of the position limiting mechanism of the present invention.

Reference numerals: 1. a processing table; 2. a feeding table; 3. a first conveyor belt; 4. a second conveyor belt; 5. a heat sealing mechanism; 6. a film supply mechanism; 7. a limiting mechanism; 8. a transverse plate; 9. a limiting member; 10. a yielding groove; 11. a guide bar; 12. a striker plate; 13. a connecting rod; 14. a fixed seat; 15. adjusting the bolt; 16. a film supply frame; 17. rotating the rod; 18. an upper pressing table; 19. a cutter; 20. a sensor; 21. an oven; 22. a lifting cylinder; 23. a slide plate; 24. and (4) pressing the table.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an automatic change heat-shrinkable packaging equipment, including processing platform 1, the relative pay-off platform 2 that sets up is installed in processing platform 1 the place ahead. The feeding table 2 is provided with a first conveyor belt 3 which is driven towards the processing table 1, and the processing table 1 is provided with a second conveyor belt 4 which rotates in the same direction as the first conveyor belt 3. The first conveyor belt 3 and the second conveyor belt 4 are close to each other, and the central axes of the first conveyor belt 3 and the second conveyor belt 4 along the length direction coincide with each other. The feeding table 2 is provided with a film feeding mechanism 6 and a limiting mechanism 7.

As shown in fig. 1 and 2, an oven 21 located above the path of the second conveyor belt 4 is fixedly installed in the middle of the processing table 1, a heat sealing mechanism 5 located between the first conveyor belt 3 and the second conveyor belt 4 is further installed on the processing table 1, and the heat sealing mechanism 5 includes an upper pressing table 18 and a lower pressing table 24 which are arranged in an up-down opposite manner. An electric heating wire (not shown) for heating the side wall is installed in the side wall of the upper press table 18 opposite to the lower press table 24. The processing table 1 is also provided with a driving source for driving the upper pressing table 18 and the lower pressing table 24 to move towards or away from each other, and the driving source is a telescopic cylinder. A sensor 20 is mounted on the inner side wall of the processing table 1 and positioned on one side of the heat sealing mechanism 5, and the sensor 20 is electrically connected with a driving source. The sensor 20 is used for sensing the article to be packaged, thereby controlling the driving source to operate the heat-sealing mechanism 5. When the film is applied to both sides of the article, the upper and

lower platens

18, 24 will press against each other and heat seal the opening of the film.

As shown in fig. 1 and 2, the upper pressing table 18 is provided with a vertically disposed cutter 19, and the cutter 19 is located outside the upper pressing table 18 and close to the feeding table 2. After the heat sealing of the openings of the films on both sides of the article is completed, the heat-sealed film can be separated on both sides by the cutter 19, so that each article forms an independent package. The cutter 19 cuts only the middle part of the film when pressing down, thereby ensuring that the two sides of the film can be smoothly pulled forwards.

As shown in fig. 1 and 3, the film supply mechanism 6 includes a vertical film supply rack 16, and the film supply rack 16 is located outside the first conveyor belt 3 and is placed along the driving direction of the first conveyor belt 3. Supply to slide along vertical direction on the 16 inside walls of membrane frame and be provided with slide 23, the last rotation of slide 23 is connected with a plurality of dwang 17 that are used for placing the film sleeve, and dwang 17 is placed along the transmission direction of first conveyer belt 3 equally. And a lifting cylinder 22 positioned below the sliding plate 23 is fixedly arranged on the inner side wall of the film supplying frame 16, and an output shaft of the lifting cylinder 22 is arranged along the sliding direction of the sliding plate 23 and is fixedly connected with the lower end of the sliding plate 23. The turning rod 17 can be driven to move in the vertical direction by the lifting cylinder 22.

As shown in fig. 1 and 4, the limiting mechanism 7 includes a transverse plate 8 installed above the first conveyor belt 3, and the transverse plate 8 is triangular and parallel to the upper surface of the first conveyor belt 3. One end of the transverse plate 8 close to the heat sealing mechanism 5 is provided with a limiting piece 9, and the upper end of the limiting piece 9 is arranged on the transverse plate 8 in a sliding manner along the width direction of the first conveyor belt 3. The middle part of the limiting member 9 gradually extends towards the direction close to the film supplying mechanism 6, and a yielding groove 10 along the sliding direction of the limiting member 9 is formed. The limiting mechanism 7 further comprises a guide rod 11 hinged to the lower end of the transverse plate 8, and the guide rod 11 is placed along the sliding direction of the limiting part 9. The guide lever 11 is rotatable in the vertical direction about the hinge shaft, and the guide lever 11 is located on the side of the stopper 9 away from the heat-sealing mechanism 5. When in processing, the upper layer film is pulled out from the film sleeve, and then bypasses from the lower end of the transverse plate 8, then the guide rod 11 is rotated to a proper height, and then the upper layer film is placed on the guide rod 11. Then the upper film passes through the abdicating groove 10, the supporting and limiting of the upper film are realized through the limiting part 9, and finally the upper film is penetrated between the upper pressing platform 18 and the lower pressing platform 24 (see fig. 2). Meanwhile, the lower film is wound from the lower end of the feeding table 2 to the upper part of a lower pressing table 24 (see figure 2), so that the upper film and the lower film are oppositely arranged, and the film is installed. The packaged articles are conveyed by the second conveyor 4 to enter the oven 21, and are finally subjected to heat shrink packaging through the oven 21.

As shown in fig. 1 and 4, a striker plate 12 is fixedly mounted at the lower end of the limiting member 9, the striker plate 12 is placed along the transmission direction of the first conveyor belt 3, and the lower end of the striker plate 12 is close to the upper surface of the first conveyor belt 3. The connecting rod 13 placed along the sliding direction of the limiting part 9 is fixedly connected to the striker plate 12, the fixing seat 14 located on one side of the connecting rod 13 is installed on the feeding table 2, and one end, far away from the striker plate 12, of the connecting rod 13 is inserted into the fixing seat 14 and is arranged in a sliding mode. An adjusting bolt 15 for fixing the connecting rod 13 is connected to the fixed seat 14 in a threaded manner.

The implementation principle of the embodiment is as follows:

when the film-cutting device works, a film is pulled out of the film-supplying mechanism 6, and then sequentially passes through the guide rod 11 and the abdicating groove 10, and because the limiting part 9 is close to one side of the heat-sealing mechanism 5, when the middle part of the film is cut off by the cutter 19, the film close to one side of the film-supplying mechanism 6 can be supported by the limiting part 9. Therefore, the collapse amount of the upper film can be reduced, the upper film is ensured to be smooth, the consumption of the upper film during processing can be reduced, and materials are saved; when the specification of the film is changed, the upper end of the limiting piece 9 slides along the width direction of the first conveyor belt 3, so that the film can smoothly penetrate into the yielding groove 10. The position of the limiting part 9 is adjusted to a proper position, and the inner side wall of the abdicating groove 10 is attached to one side of the film, so that the film can be kept stable and prevented from deviating when moving, and the film is limited.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automatic heat-shrinkable packaging device comprises a processing table (1), a feeding table (2) arranged in front of the processing table (1), a first conveying belt (3) arranged on the feeding table (2), and a second conveying belt (4) arranged on the processing table (1); the processing table (1) is provided with a heat-sealing mechanism (5) positioned between the first conveyor belt (3) and the second conveyor belt (4); the feeding table (2) is provided with a film supply mechanism (6); the method is characterized in that: the feeding table (2) is provided with a limiting mechanism (7), the limiting mechanism (7) comprises a transverse plate (8) arranged above the first conveying belt (3) and a limiting piece (9) arranged on the transverse plate (8); the limiting piece (9) is arranged on the transverse plate (8) in a sliding mode along the width direction of the first conveying belt (3); a yielding groove (10) facing the film supply mechanism (6) is formed in the limiting piece (9), and the limiting piece (9) is close to one side of the heat sealing mechanism (5); one side of the film is limited on the limiting part (9) through the abdicating groove (10).

2. An automated heat shrink wrapping apparatus according to claim 1, wherein: the limiting mechanism (7) further comprises a guide rod (11) hinged to the lower end of the transverse plate (8), and the guide rod (11) is arranged along the sliding direction of the limiting piece (9); the guide rod (11) rotates around the hinged shaft along the vertical direction, and the guide rod (11) is located on one side of the limiting part (9).

3. An automated heat shrink wrapping apparatus according to claim 2, wherein: the lower end of the limiting piece (9) is provided with a material baffle plate (12), and the material baffle plate (12) is arranged along the transmission direction of the first conveyor belt (3); the lower end of the striker plate (12) is close to the upper surface of the first conveyor belt (3).

4. An automated heat shrink wrapping apparatus according to claim 3, wherein: a connecting rod (13) arranged along the sliding direction of the limiting piece (9) is arranged on the striker plate (12); a fixed seat (14) is installed on the feeding table (2), and the connecting rod (13) is inserted into the fixed seat (14) in a sliding manner; and the fixed seat (14) is in threaded connection with an adjusting bolt (15) for fixing the connecting rod (13).

5. An automated heat shrink wrapping apparatus according to claim 1, wherein: the film supply mechanism (6) comprises a film supply frame (16), and a rotating rod (17) for placing a film is rotatably connected to the film supply frame (16); dwang (17) slide along vertical direction and set up on supplying membrane frame (16), supply to install lift cylinder (22) that the output shaft placed along vertical direction on membrane frame (16), lift cylinder (22) output shaft and dwang (17) linkage.

6. An automated heat shrink wrapping apparatus according to claim 5, wherein: the heat sealing mechanism (5) comprises a lower pressing platform (24) and an upper pressing platform (18); the lower pressing table (24) and the upper pressing table (18) are arranged oppositely, and the lower pressing table (24) and the upper pressing table (18) move towards or away from each other under the action of a driving source; heating wires for heating are arranged in the lower pressing table (24) and the upper pressing table (18).

7. An automated heat shrink wrapping apparatus according to claim 6, wherein: the upper pressing table (18) is provided with a vertical cutter (19), and the cutter (19) is positioned on the outer side of the upper pressing table (18) and close to one side of the limiting mechanism (7).

8. An automated heat shrink wrapping apparatus according to claim 7, wherein: a sensor (20) positioned on one side of the heat sealing mechanism (5) is arranged on the processing table (1), and the sensor (20) is electrically connected with the heat sealing mechanism (5); the sensor (20) is used for sensing the article to be packaged, so as to control a driving source to enable the heat sealing mechanism (5) to act.