阅读说明：本技术 一种水果包装机 (Fruit packaging machine ) 是由 黄早生 黄清 黄琼 于 2021-09-18 设计创作，主要内容包括：本发明涉及包装机技术领域,特别涉及一种水果包装机,它包括有机架、连接在机架上的输送链和设置在输送链输入端的料斗；机架上连接有薄膜放卷组件、将薄膜对折粘合后并成型为筒状结构的膜筒成型组件和将筒状薄膜进行封口的封口组件；输送链能够将产品送入到筒状薄膜内。在使用本发明时,该结构能够实现产品的自动包膜密封,且提高产品的包装效率。(The invention relates to the technical field of packaging machines, in particular to a fruit packaging machine, which comprises a rack, a conveying chain connected to the rack and a hopper arranged at the input end of the conveying chain; the machine frame is connected with a film unreeling assembly, a film cylinder forming assembly which folds and bonds the film and forms the film into a cylindrical structure, and a sealing assembly which seals the cylindrical film; the conveyor chain is capable of feeding the product into the tubular film. When the automatic packaging machine is used, the automatic packaging machine can realize automatic film-coating sealing of products and improve the packaging efficiency of the products.)

1. A fruit packaging machine comprises a frame (4), a conveying chain (2) connected to the frame (4) and a hopper (1) arranged at the input end of the conveying chain (2); the method is characterized in that: the machine frame (4) is connected with a film unreeling assembly (3), a film tube forming assembly which folds and bonds the film and forms the film into a tube-shaped structure, and a sealing assembly (A) which seals the tube-shaped film; the conveying chain (2) can convey products into the cylindrical film.

2. The fruit wrapping machine of claim 1, wherein: both end faces of the cylindrical film are sealed by the same sealing component (A); the middle part of the sealing component (A) is provided with a cutting component which can cut the seal on the cylindrical film into an upper part and a lower part.

3. The fruit wrapping machine of claim 2, wherein: the sealing assembly (A) comprises a fixed welding mold (A11) fixed on the frame (4) and a movable welding mold (A7) matched with the fixed welding mold (A11); the machine frame (4) is provided with a movable die driving die set used for enabling the movable welding die (A7) to move.

4. A fruit wrapping machine according to claim 3 wherein: the movable die driving module comprises a turntable (A2), a motor (A1) fixed on the rack (4) and a sliding shaft (A4) connected to the rack (4) in a sliding manner; the output end of the motor (A1) is fixedly connected with the rotation center of the turntable (A2); the eccentric position of the turntable (A2) is hinged with a connecting rod (A3); the tail end of the connecting rod (A3) is hinged with a sliding shaft (A4); the sliding shaft (A4) is fixedly connected with the movable welding mould (A7).

5. A fruit wrapping machine according to claim 3 wherein: the upper surface of the dynamic welding mould (A7) is provided with a blanking buffer plate (A6); the blanking buffer plate (A6) is obliquely arranged; a spongy cushion is arranged on the surface of the blanking buffer plate (A6).

6. A fruit wrapping machine according to claim 3 wherein: a fixed clamping plate (A9) is fixed on the fixed welding die (A11); a movable clamping plate (A8) is fixed on the movable welding die (A7); the inner side surface of the movable clamping plate (A8) and the inner side surface of the fixed clamping plate (A9) are both provided with sponge.

7. A fruit wrapping machine according to claim 3 wherein: a stripper plate (A12) is sleeved outside the fixed welding mold (A11); a movable shaft (A14) is fixed on the stripper plate (A12); the movable shaft (A14) is connected with the frame (4) in a sliding way; a spring (A13) is sleeved outside the movable shaft (A14); two ends of the spring (A13) are respectively pressed on the frame (4) and the stripper plate (A12).

8. The fruit wrapping machine of claim 1, wherein: the horizontal height of the conveying chain (2) is gradually increased along with the distance from one end of the hopper (1); a discharge hole (401) is formed in the front surface of the rack (4); and a blanking guide plate (6) is fixed in the discharging hole (401).

9. The fruit wrapping machine of claim 1, wherein: the film cylinder forming assembly comprises a widening frame (8) capable of folding the film in half and a film traction assembly for drawing the film; the width of the widening frame (8) gradually decreases from top to bottom along with the height direction.

10. The fruit wrapping machine of claim 9, wherein: the film traction assembly comprises a roller group; the roller group consists of two heating rollers (7).

Technical Field

The invention relates to the technical field of packaging machines, in particular to a fruit packaging machine.

Background

After the fruits are picked, the fresh-keeping time of the products can be greatly prolonged by coating the fresh-keeping film, and the quality of the products is kept. The existing packaging equipment has low packaging efficiency and low automation degree. And among the current fruit packagine machine, have more problem in the packaging process, before fruit is packed, the sack the inside is full of gas, so can not discharge the gas of sack the inside after sealing for the packing is bloated, and the product volume after the packing is bigger, increases the storage cost, and the sack that bloates is receiving to break easily after the striking moreover, destroys the packing. The preservative films are easily adhered together in the coating process, so that the packaging efficiency and quality are influenced, fruits are easily damaged when the fruits are fed and sealed, and the fruits are clamped or damaged.

Disclosure of Invention

The present invention aims to address the drawbacks and deficiencies of the prior art by providing a fruit wrapping machine.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention relates to a fruit packaging machine, which comprises a rack, a conveying chain connected to the rack and a hopper arranged at the input end of the conveying chain; the machine frame is connected with a film unreeling assembly, a film cylinder forming assembly which folds and bonds the film and forms the film into a cylindrical structure, and a sealing assembly which seals the cylindrical film; the conveyor chain is capable of feeding the product into the tubular film.

Furthermore, both end faces of the cylindrical film are sealed by the same sealing component; the middle part of the sealing component is provided with a cutting component which can cut the seal on the cylindrical film into an upper part and a lower part.

Furthermore, the sealing assembly comprises a fixed welding mold fixed on the frame and a movable welding mold matched with the fixed welding mold; and the rack is provided with a movable mould driving module used for enabling the movable welding mould to move.

Furthermore, the movable die driving module comprises a turntable, a motor fixed on the rack and a sliding shaft connected to the rack in a sliding manner; the output end of the motor is fixedly connected with the rotary center of the rotary table; the eccentric position of the turntable is hinged with a connecting rod; the tail end of the connecting rod is hinged with the sliding shaft; the sliding shaft is fixedly connected with the movable welding mold.

Furthermore, a blanking buffer plate is arranged on the upper surface of the dynamic welding mold; the blanking buffer plate is obliquely arranged; the surface of the blanking buffer plate is provided with a spongy cushion.

Further, a fixed clamping plate is fixed on the fixed welding mold; a movable clamping plate is fixed on the movable welding die; the inner side surface of the movable clamping plate and the inner side surface of the fixed clamping plate are both provided with sponges.

Furthermore, a demoulding plate is sleeved outside the fixed welding mould; a movable shaft is fixed on the stripper plate; the movable shaft is connected with the frame in a sliding manner; a spring is sleeved outside the movable shaft; and two ends of the spring are respectively pressed on the frame and the stripper plate.

Further, the horizontal height of the conveying chain is gradually increased along with the end far away from the hopper; the front surface of the frame is provided with a discharge hole; and a discharging guide plate is fixed inside the discharging hole.

Further, the film tube forming assembly comprises a widening frame capable of folding the film in half and a film drawing assembly for drawing the film; the width of the widening frame gradually decreases from top to bottom along with the height direction.

Further, the film traction assembly comprises a roller group; the roller set consists of two heating rollers.

After adopting the structure, the invention has the beneficial effects that: the invention relates to a fruit packaging machine, which comprises a rack, a conveying chain connected to the rack and a hopper arranged at the input end of the conveying chain; the machine frame is connected with a film unreeling assembly, a film cylinder forming assembly which folds and bonds the film and forms the film into a cylindrical structure, and a sealing assembly which seals the cylindrical film; the conveyor chain is capable of feeding the product into the tubular film. In the use of the invention, in a first step, the product is poured in bulk into a hopper; secondly, the film unreeled by the film unreeling component is folded in half and adhered to form a film cylinder with a cylindrical structure through a film cylinder forming component; thirdly, quantitatively conveying the products in the hopper to the interior of the film cylinder by a conveying chain; fourthly, sealing the upper end face and the lower end face of the film cylinder through a sealing assembly; the structure can realize automatic film coating sealing of products and improve the guarantee efficiency of the products.

Drawings

FIG. 1 is a schematic view of the present invention without the installed widened frame structure;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the present invention showing the side panel of the rack removed;

FIG. 5 is a schematic view of the closure assembly;

FIG. 6 is a connecting structure diagram of the slide, dynamic weld mold, static weld mold and stripper plate;

description of reference numerals:

1. a hopper; 2. a conveyor chain; 3. the film unreeling assembly; 4. a frame; 401. a discharge hole;

5. an operation panel; 6. a discharge hopper; 7. a heating roller; 8. a widening frame; 9. a traction motor;

A. a seal assembly; a1, a motor; a2, a turntable; a3, connecting rod; a4, sliding shaft;

a5, a guide sleeve; a6, a blanking guide plate; a7, dynamic welding mould; a8, moving a clamping plate;

a9, fixing a clamping plate; a10, die fixing plates; a11, fixing a welding mold; a12, a stripper plate;

a13, a spring; a14, movable shaft.

Detailed Description

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

As shown in fig. 1 to 6, the fruit packing machine of the present invention comprises a frame 4, a conveying chain 2 connected to the frame 4, and a hopper 1 disposed at an input end of the conveying chain 2; the machine frame 4 is connected with a film unreeling assembly 3, a film cylinder forming assembly which folds and bonds the film and forms the film into a cylinder structure, and a sealing assembly A which seals the cylinder film; the conveying chain 2 can convey products into the cylindrical film;

the conveying chain 2 and the film unreeling component 3 are fixed on the frame 4; the conveyor chain 2 is not essentially different from the prior art and is therefore not described in detail; the film unwinding assembly 3 is not essentially different from the prior art, and thus, will not be described in detail; an operation panel 5 is arranged on the frame 4; firstly, pouring a product into a hopper 1 in batches; secondly, the film unreeled by the film unreeling component 3 is folded and adhered by a film drum forming component to form a film drum with a cylindrical structure; thirdly, the conveying chain 2 conveys the products in the hopper 1 to the interior of the film cylinder in a fixed quantity; fourthly, sealing the upper end face and the lower end face of the film cylinder through the sealing component A; the structure can realize automatic film coating sealing of products and improve the guarantee efficiency of the products.

As a preferred mode of the invention, two end faces of the cylindrical film are sealed by the same sealing component A; the middle part of the sealing component A is provided with a cutting component which can cut the seal on the cylindrical film into an upper part and a lower part; when the sealing component A is used for sealing, the cutting component in the middle part cuts the sealing part into an upper part and a lower part, and the sealing of the part above the cut forms the bottom sealing of the next bag; the upper seal of the bag is formed by the seal at the lower part of the cut, the seal and the cut-off of the package are completed through one action, and the same seal component A is adopted by the upper seal and the lower seal of the package, so that the power equipment is reduced, and the structure of the equipment is simplified.

In a preferred embodiment of the present invention, the sealing module a includes a fixed welding mold a11 fixed on the frame 4 and a movable welding mold a7 used in match with the fixed welding mold a 11; a movable die driving module used for enabling the movable welding die A7 to move is arranged on the rack 4; the fixed welding die A11 is fixed by a die fixing plate A10; the interior of the driven welding die A7 and the interior of the fixed welding die A11 are both provided with heating components, which are not described in detail since no essential difference is existed with the prior art; the cylindrical film passes through a gap formed between the driven welding die A7 and the fixed welding die A11, the movable die driving module drives the movable welding die A7 to move towards the fixed welding die A11 after being started to seal the cylindrical film, and the middle part of the movable welding die A7 is provided with a cutter for cutting the seal into an upper part and a lower part.

As a preferable mode of the present invention, the movable mold driving module comprises a turntable a2, a motor a1 fixed on the frame 4, and a sliding shaft a4 slidably connected to the frame 4; the output end of the motor A1 is fixedly connected with the rotation center of the turntable A2; the eccentric position of the turntable A2 is hinged with a connecting rod A3; the tail end of the connecting rod A3 is hinged with a sliding shaft A4; the sliding shaft A4 is fixedly connected with the movable welding die A7; the sliding shaft A4 is connected with the frame 4 in a sliding way through a guide sleeve A5; after the motor A1 is started, the turntable A2 is driven to rotate, the continuously rotating turntable A2 drives the dynamic welding mold A7 connected with the sliding shaft A4 to do reciprocating motion through the connecting rod A3, and the sealing of the film is realized.

In a preferred embodiment of the present invention, a blanking buffer plate a6 is provided on the upper surface of the dynamic welding mold a 7; the blanking buffer plate A6 is obliquely arranged; a spongy cushion is arranged on the surface of the blanking buffer plate A6; in the falling process of the product, the sponge on the surface of the blanking buffer plate A6 is buffered to prevent the product from being damaged by collision.

In a preferred embodiment of the present invention, a fixed clamping plate a9 is fixed to the fixed welding mold a 11; a movable clamping plate A8 is fixed on the movable welding die A7; the inner side surface of the movable clamping plate A8 and the inner side surface of the fixed clamping plate A9 are both provided with sponge; before the top of the bag filled with the product is sealed, the movable clamping plate A8 moves towards the fixed clamping plate A9 to clamp the bag with the product, so that air in the bag is exhausted to the top which is not sealed, and the package is prevented from bulging after sealing.

In a preferred mode of the present invention, a stripper plate a12 is fitted outside the fixed welding mold a 11; a movable shaft A14 is fixed on the stripper plate A12; the movable shaft A14 is connected with the frame 4 in a sliding way; a spring A13 is sleeved outside the movable shaft A14; two ends of the spring A13 are respectively pressed on the frame 4 and the stripper plate A12; when the movable welding mold A7 is pressed against the fixed welding mold A11, the stripper plate A12 is pressed against the fixed welding mold A7, and when the movable welding mold A7 is separated from the fixed welding mold A11, the action force of the spring A13 enables the stripper plate A12 to push out the upper side and the lower side of the hot melting position away from the fixed welding mold A11, so that the film is prevented from being adhered to the fixed welding mold A11.

As a preferable mode of the present invention, the horizontal height of the conveyor chain 2 gradually increases as it goes away from one end of the hopper 1; a discharge hole 401 is formed in the front surface of the frame 4; a blanking guide plate 6 is fixed inside the discharging hole 401; conveying chain 2 adopts the promotion formula to carry, can prevent that the product from side by side the material loading.

In a preferred embodiment of the present invention, the film tube forming unit includes a widening frame 8 capable of folding the film in half and a film drawing unit for drawing the film; the width of the widening frame 8 gradually decreases from top to bottom along with the height direction; the surface of the film is tightly attached to the surface of the widening frame 8 under the traction force of the film traction assembly, so that the distance between the two side edges of the film is reduced and the film is folded in half when the film is conveyed to the bottom end of the widening frame 8.

In a preferred embodiment of the present invention, the film drawing assembly includes a roller set; the roller group consists of two heating rollers 7; the film can be self-adhesive, and the heating roller 7 can be used without a heating mode or directly replace the heating roller by using a common roller. The heating rollers 7 are not essentially different from the prior art, so that the traction motor 9 drives the two heating rollers 7 on the same roller group to move in opposite directions through a gear box, so as to realize the traction conveying of the film; the number of the roller groups is determined according to actual production requirements; when the film is poor in viscosity, the temperature of the heating rollers 7 in the multiple groups of roller sets is gradually increased from top to bottom along with the height direction, so that the film is gradually heated, and the edges of the folded film are heated between the heating rollers 7 and are sealed in a sticking mode.

In the use of the invention, in a first step, the product is poured in bulk into a hopper; secondly, a traction motor drives two heating rollers on the same roller group to move reversely through a gear box, so that the traction and the conveying of the film are realized; the surface of the film is tightly attached to the surface of the widening frame under the action of the traction force of the film traction assembly, so that when the film is conveyed to the bottom end of the widening frame, the distance between the two side edges of the film is reduced and the film is folded in half; heating the folded film edge between heating rollers, and pasting and sealing to form a film cylinder with a cylindrical structure; thirdly, conveying the products in the hopper to the interior of the membrane cylinder by a conveying chain in a lifting manner; in the falling process of the product, the sponge on the surface of the blanking buffer plate is used for buffering, so that the product is prevented from being damaged by collision; after the product enters the film tube and before the top is sealed, the movable clamping plate moves towards the fixed clamping plate to clamp the bag with the product, so that air in the bag is exhausted towards the top which is not sealed yet, the package is prevented from bulging after the seal, the film tube penetrates through a gap formed between the movable welding mold and the fixed welding mold, the motor drives the turntable to rotate after being started, the continuously rotating turntable drives the movable welding mold connected with the sliding shaft to reciprocate through the connecting rod, the tubular film is sealed, and a cutter for cutting the seal into an upper part and a lower part is arranged in the middle of the movable welding mold; when the movable welding mold is pressed on the fixed welding mold, the stripper plate is pressed by the fixed welding mold, and when the movable welding mold is separated from the fixed welding mold, the action force of the spring enables the stripper plate to push the upper side and the lower side of the hot melting position away from the fixed welding mold, so that the film is prevented from being adhered to the fixed welding mold; the structure can realize automatic film coating sealing of products and improve the guarantee efficiency of the products.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.