CN219338778U

CN219338778U - Bag cutting equipment for producing heat-shrinkable packaging bags

Info

Publication number: CN219338778U
Application number: CN202320576707.1U
Authority: CN
Inventors: 田心平; 赖新民; 赖建民; 黄永志; 黄海华; 唐康
Original assignee: Great Silver Pack Shenzhen Co ltd
Current assignee: Great Silver Pack Shenzhen Co ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-07-14
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the technical field of plastic product production, in particular to a bag cutting device for producing a heat-shrinkable packaging bag, which comprises a base, wherein a transmission assembly and a bag cutting assembly are arranged on the base, the transmission assembly comprises a rotating roller, a partition plate, a feeding roller and a first motor.

Description

Bag cutting equipment for producing heat-shrinkable packaging bags

Technical Field

The utility model relates to the technical field of plastic product production, in particular to a bag cutting device for producing heat-shrinkable packaging bags.

Background

The heat shrinkage material is also called a polymer shape memory material, is an intelligent material combining a polymer material and a radiation processing technology, and the expanded and cooled and shaped material can be shrunk again to the original shape after being heated so as to achieve the heat shrinkage effect, and a heat shrinkage film and a heat shrinkage bag are common in the market at present, can be used for packaging food, and reduce oxygen in the package so as to achieve the effect of prolonging the shelf life.

The heat-shrinkable bag is a secondary product of the heat-shrinkable film, namely, the heat-shrinkable bag is usually made of the heat-shrinkable film, the existing heat-shrinkable bag making equipment has higher cost, and further, the price of the heat-shrinkable bag is increased, so that the heat-shrinkable bag cannot be popularized and used, and therefore, equipment capable of conveniently making the heat-shrinkable film into the heat-shrinkable bag is needed.

Disclosure of Invention

The utility model aims to provide a bag cutting device for producing heat-shrinkable packaging bags, which solves the problems in the prior art.

The technical scheme of the utility model is as follows: the utility model provides a cut bag equipment for thermal contraction wrapping bag production, includes the base, be provided with drive assembly and cut bag subassembly on the base, drive assembly includes rotor, baffle, feed roll and first motor, two the rotor rotates to be connected on the base, baffle fixed connection is on the base, two the feed roll rotates to be connected on the base, first motor fixed connection is on the inner wall of base, cut bag subassembly includes first clamp plate, second clamp plate and blade, first clamp plate with second clamp plate sliding connection is on the base, blade fixed connection is on the top of first clamp plate.

Preferably, the transmission assembly further comprises a rotating sleeve, gears and transmission teeth, the rotating sleeve is fixedly connected to the first motor, the transmission teeth are fixedly connected to the inner wall of the rotating sleeve, the two feeding rollers penetrate through the base, the gears are respectively and fixedly connected to the two feeding rollers, the two gears are meshed, and one gear is meshed with the transmission teeth.

Preferably, the bag cutting assembly further comprises a groove and heating rods, the two grooves are respectively formed in the first pressing plate and the second pressing plate, and the two heating rods are respectively and fixedly connected to the inner parts of the two grooves.

Preferably, the bag cutting assembly further comprises a sliding rod and a rotating rod, wherein the two sliding rods are connected to the base in a sliding mode, the two sliding rods are fixedly connected with the first pressing plate and the second pressing plate respectively, and the two rotating rods are connected to the two sliding rods in a rotating mode respectively.

Preferably, the bag cutting assembly further comprises a second motor and a connecting rod, the second motor is fixedly connected to the inner wall of the base, the connecting rod is fixedly connected to the second motor, and the two rotating rods are both rotationally connected with the connecting rod.

Preferably, the first pressing plate and the second pressing plate are symmetrically arranged about the two feeding rollers, and the two grooves are U-shaped.

The utility model provides a bag cutting device for producing heat-shrinkable packaging bags through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, the transmission assembly is arranged, so that two rolls of heat-shrinkable film can be sleeved on the two rotating rollers, then the heat-shrinkable film on the two rotating rollers is pulled out and inserted between the two feeding rollers, and the gap between the two feeding rollers is very small, therefore, when the two feeding rollers rotate together, the two rolls of heat-shrinkable film can be moved along with each other, the rolls of heat-shrinkable film on the two rotating rollers rotate, the first motor is started, the rotating sleeve can be rotated by the rotation of the output shaft of the first motor, and when the rotating sleeve rotates, the two gears are rotated by the transmission teeth on the inner wall of the rotating sleeve and are mutually and reversely rotated due to meshing, so that the two feeding rollers pull the heat-shrinkable film downwards together;

and two,: according to the utility model, the bag cutting assembly is arranged, when the heat shrinkage film is pulled downwards by two feeding rollers for a certain length, the second motor is a telescopic motor, the output shaft of the second motor moves upwards to drive the connecting rod to move upwards, the connecting rod moves upwards, the two rotating rods rotate and the two sliding rods move together to the middle, so that the first pressing plate and the second pressing plate draw together to the middle and finally are combined together, at the moment, the two layers of heat shrinkage films are pressed by the first pressing plate and the second pressing plate, the heating rod is started, the temperature in the whole groove is increased by the heating rod, the heat shrinkage films at the positions of the two grooves shrink, the two layers of heat shrinkage films shrink at the same time and finally are bonded together, and as the shape of the groove is U-shaped, and the first pressing plate and the second pressing plate are close, the knife blade cuts the thermoplastic film at the upper end, so that the heat shrinkage bag with a downward opening is finally formed, and the conditions of starting time, frequency, period and the like of the first motor, the second motor and the heating rod are adjusted in advance, so that the process can be automatically carried out.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the utility model shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the base of the present utility model;

FIG. 4 is a schematic view of the internal structure of the rotating sleeve of the present utility model;

FIG. 5 is a schematic view of a connection structure between a first platen and a heating rod according to the present utility model.

Reference numerals illustrate:

1. a base; 2. a transmission assembly; 21. a rotating roller; 22. a partition plate; 23. a feed roller; 24. a first motor; 25. a rotating sleeve; 26. a gear; 27. a drive tooth; 3. a bag cutting assembly; 31. a first platen; 32. a second pressing plate; 33. a groove; 34. a heating rod; 35. a blade; 36. a second motor; 37. a connecting rod; 38. a slide bar; 39. and (5) rotating the rod.

Detailed Description

The following detailed description of the present utility model clearly and fully describes the technical solutions of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a bag cutting device for producing heat-shrinkable packaging bags by improving the bag cutting device, which comprises the following technical scheme:

as shown in fig. 1-5, a bag cutting device for producing heat-shrinkable packaging bags comprises a base 1, wherein a transmission assembly 2 and a bag cutting assembly 3 are arranged on the base 1, the transmission assembly 2 comprises a rotating roller 21, a partition plate 22, a feeding roller 23 and a first motor 24, the two rotating rollers 21 are rotatably connected to the base 1, the partition plate 22 is fixedly connected to the base 1, the two feeding rollers 23 are rotatably connected to the base 1, the first motor 24 is fixedly connected to the inner wall of the base 1, the bag cutting assembly 3 comprises a first pressing plate 31, a second pressing plate 32 and a blade 35, the first pressing plate 31 and the second pressing plate 32 are slidably connected to the base 1, the blade 35 is fixedly connected to the top end of the first pressing plate 31, and the partition plate 22 is used for blocking two rolls of heat-shrinkable films and preventing static electricity from adsorbing the heat-shrinkable films together.

Further, the transmission assembly 2 further comprises a rotating sleeve 25, gears 26 and transmission teeth 27, the rotating sleeve 25 is fixedly connected to the first motor 24, the transmission teeth 27 are fixedly connected to the inner wall of the rotating sleeve 25, the two feeding rollers 23 penetrate through the base 1, the two gears 26 are respectively fixedly connected to the two feeding rollers 23, the two gears 26 are meshed, and one gear 26 is meshed with the transmission teeth 27.

Further, the bag cutting assembly 3 further comprises a groove 33 and heating rods 34, the two grooves 33 are respectively arranged on the first pressing plate 31 and the second pressing plate 32, and the two heating rods 34 are respectively fixedly connected to the inner parts of the two grooves 33.

Further, the bag cutting assembly 3 further comprises a sliding rod 38 and a rotating rod 39, the two sliding rods 38 are slidably connected to the base 1, the two sliding rods 38 are fixedly connected with the first pressing plate 31 and the second pressing plate 32 respectively, and the two rotating rods 39 are rotatably connected to the two sliding rods 38 respectively.

Further, the bag cutting assembly 3 further comprises a second motor 36 and a connecting rod 37, the second motor 36 is fixedly connected to the inner wall of the base 1, the connecting rod 37 is fixedly connected to the second motor 36, and two rotating rods 39 are both rotatably connected with the connecting rod 37.

Further, the first pressing plate 31 and the second pressing plate 32 are symmetrically arranged about the two feeding rollers 23, the two grooves 33 are in a shape of a U, the heating rod 34 raises the temperature in the whole groove 33, so that the heat shrinkable films at the positions of the two grooves 33 shrink, the two heat shrinkable films shrink simultaneously and finally adhere together, and the thermoplastic films at the upper ends are cut by the blades 35 when the grooves 33 are close to each other, so that a heat shrinkable bag with a downward opening is finally formed.

Working principle: firstly, two rolls of heat-shrinkable film are sleeved on two rotating rollers 21, then the heat-shrinkable film on the two rotating rollers 21 is pulled out and inserted between two feeding rollers 23, and the gap between the two feeding rollers 23 is very small, so when the two feeding rollers 23 rotate together, the two rolls of heat-shrinkable film can be moved along with each other, the heat-shrinkable film on the two rotating rollers 21 is rotated, a first motor 24 is started, the output shaft of the first motor 24 can rotate a rotating sleeve 25, when the rotating sleeve 25 rotates, a transmission tooth 27 on the inner wall of the rotating sleeve rotates two gears 26, and the two gears 26 rotate reversely to each other due to meshing, the two feeding rollers 23 pull the heat-shrinkable film downwards together, when the heat-shrinkable film is pulled downwards for a certain length, a second motor 36 can be started, the second motor 36 is a telescopic motor, the output shaft of the second motor moves upwards, the connecting rod 37 is driven to move upwards, the connecting rod 37 moves upwards, the two rotating rods 39 rotate and the two sliding rods 38 move together to the middle, so that the first pressing plate 31 and the second pressing plate 32 draw together towards the middle and finally are combined together, at the moment, the two layers of heat-shrinkable films are pressed by the first pressing plate 31 and the second pressing plate 32, the heating rod 34 is started, the temperature in the whole groove 33 is increased, the heat-shrinkable films at the positions of the two grooves 33 shrink, the two layers of heat-shrinkable films shrink at the same time and finally are bonded together, the groove 33 is U-shaped, the blade 35 cuts the thermoplastic film at the upper end when the first pressing plate 31 and the second pressing plate 32 are close, so that a heat-shrinkable bag with a downward opening is finally formed, the conditions of starting time, frequency, period and the like of the first motor 24, the second motor 36 and the heating rod 34 are adjusted in advance, the above process can be automated.

Claims

1. Bag cutting equipment for producing heat-shrinkable packaging bags, which comprises a base (1) and is characterized in that: be provided with drive assembly (2) and cut bag subassembly (3) on base (1), drive assembly (2) are including rotor roll (21), baffle (22), feed roll (23) and first motor (24), two rotor roll (21) rotate and connect on base (1), baffle (22) fixed connection is on base (1), two feed roll (23) rotate and connect on base (1), first motor (24) fixed connection is on the inner wall of base (1), cut bag subassembly (3) include first clamp plate (31), second clamp plate (32) and blade (35), first clamp plate (31) with second clamp plate (32) sliding connection is on base (1), blade (35) fixed connection is on the top of first clamp plate (31).

2. A bag cutting apparatus for heat-shrinkable bag production according to claim 1, wherein: the transmission assembly (2) further comprises a rotating sleeve (25), gears (26) and transmission teeth (27), the rotating sleeve (25) is fixedly connected to the first motor (24), the transmission teeth (27) are fixedly connected to the inner wall of the rotating sleeve (25), the two feeding rollers (23) penetrate through the base (1), the two gears (26) are respectively and fixedly connected to the two feeding rollers (23), the two gears (26) are meshed, and one gear (26) is meshed with the transmission teeth (27).

3. A bag cutting apparatus for heat-shrinkable bag production according to claim 1, wherein: the bag cutting assembly (3) further comprises grooves (33) and heating rods (34), the two grooves (33) are respectively formed in the first pressing plate (31) and the second pressing plate (32), and the two heating rods (34) are respectively and fixedly connected to the inner parts of the two grooves (33).

4. A bag cutting apparatus for heat-shrinkable bag production according to claim 3, wherein: the bag cutting assembly (3) further comprises slide bars (38) and rotating bars (39), the two slide bars (38) are connected to the base (1) in a sliding mode, the two slide bars (38) are fixedly connected with the first pressing plate (31) and the second pressing plate (32) respectively, and the two rotating bars (39) are connected to the two slide bars (38) in a rotating mode respectively.

5. A bag cutting apparatus for heat-shrinkable bag production according to claim 4, wherein: the bag cutting assembly (3) further comprises a second motor (36) and a connecting rod (37), the second motor (36) is fixedly connected to the inner wall of the base (1), the connecting rod (37) is fixedly connected to the second motor (36), and two rotating rods (39) are both connected with the connecting rod (37) in a rotating mode.

6. A bag cutting apparatus for heat-shrinkable bag production according to claim 3, wherein: the first pressing plate (31) and the second pressing plate (32) are symmetrically arranged about the two feeding rollers (23), and the two grooves (33) are U-shaped.