CN223030520U - Base material roll pretreatment device of bag forming machine - Google Patents

Abstract

The utility model discloses a base material roll pretreatment device for a bag forming machine, comprising a frame, a base material supply mechanism and a base material pretreatment mechanism; the base material supply mechanism and the base material pretreatment mechanism are both arranged on the frame, the base material supply mechanism comprises a support assembly and a position adjustment assembly; the support assembly comprises a support part, an intermediate connecting part and a first driving part; the position adjustment assembly comprises a base, an adjustment mechanism and a second driving part; the support part is connected to the adjustment mechanism through the intermediate connecting part, the first driving part is installed at one end of the intermediate connecting part and is transmission-connected with the support part, the support part is rotatably arranged at one end of the intermediate connecting part, and the other end of the intermediate connecting part is connected to the adjustment mechanism; the device has the advantages of reducing the deviation correction frequency of the base material during the conveying process, so that the base material can be accurately pretreated after being conveyed to the pretreatment mechanism, thereby reducing the defective rate of the produced products.

Description

Base material roll pretreatment device of bag forming machine

Technical Field

The utility model relates to the technical field of bag processing, in particular to a base material roll pretreatment device of a bag forming machine.

Background

The packaging bag is an indispensable article in daily life of people and is often used for containing other articles. The advantages of low cost, light weight, large capacity and convenient storage are widely used. With the development of scientific technology, in order to reduce environmental pollution and achieve the aim of environmental protection, a non-woven fabric bag, also called a non-woven fabric bag, is designed, and is a green product, which is known for the characteristics of toughness, durability, attractive appearance, good air permeability, reusability and washability. The non-woven fabric is used as a raw material, is a new generation of environment-friendly material, and has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich colors, low price and the like. The non-woven bag can be naturally decomposed outdoors and can keep a long service life indoors. It is nontoxic and tasteless when burned, and does not leave any harmful residue, so it will not pollute the environment.

The nonwoven fabric bags are usually processed by a bag forming machine, and a cloth pretreatment device is provided at the front end thereof. The cloth pretreatment device is used for discharging and pretreatment of cloth rolls, such as flanging, rubberizing and the like. In order to ensure that the cut nonwoven fabric web reaches the forming device without deviation, the position of the cloth pretreatment device is adjusted at the beginning, and simultaneously, the precise feeding of the center of the continuous cloth against the center of the forming device is ensured. However, in the actual production process, the cloth may shift in the horizontal left-right direction in the unreeling process, so that the cloth cannot be aligned to be fed into the forming assembly, and the subsequent paper bag forming quality is affected.

In the prior art, the position of cloth is usually detected by arranging a deviation correcting sensor on a material conveying roller of a bag forming machine, when the position of the cloth is deviated, the deviation correcting of the cloth is realized by moving a conveying roller, the cloth is corrected to a correct position by changing the position of the cloth on the conveying roller in the horizontal direction, but in the production process, when the thickness of a cloth roll changes or the position of the cloth on the conveying roller is corrected, an angle difference exists between the cloth and the cloth roll, the cloth is easy to deviate, the deviation correcting frequency is required to be high, and the defective rate of the produced product is high.

Therefore, the cloth pretreatment device of the bag forming machine in the prior art has the problems of high deviation rectifying frequency and high defective rate of the produced products during feeding.

Disclosure of utility model

The utility model aims to solve the problems of high deviation rectifying frequency and high defective rate of produced products in the feeding of a cloth pretreatment device of a bag forming machine in the prior art.

The utility model provides a base material roll pretreatment device of a bag forming machine, which comprises a frame, wherein the frame is sequentially provided with a base material supply station and a pretreatment station along the conveying direction of the base material, the base material supply mechanism is arranged on the frame at the base material supply station, and the base material supply mechanism comprises a supporting component and a position adjusting component.

Further, the support assembly is provided at an upstream end portion of the frame in a conveying direction of the base material and supports the base material roll, and includes a support member that supports the base material roll, an intermediate connection member that connects the support member to the position adjustment assembly, and a first driving member, and the position adjustment assembly is provided at a downstream side of the support member in the conveying direction of the base material, and includes a base movably provided on a base of the frame, an adjustment mechanism provided on the base, and a second driving member provided on the frame, and the support member is connected to the adjustment mechanism through the intermediate connection member and protrudes outward from a front end of the frame.

Further, the first driving part is arranged at one end of the middle connecting part and is in transmission connection with the supporting part, the supporting part is used for driving the supporting part to rotate, the supporting part is rotatably arranged at one end of the middle connecting part, the other end of the middle connecting part is connected to the adjusting mechanism, the adjusting mechanism can drive the middle connecting part to rotate relative to the base and further move in linkage with the supporting part, the second driving part drives the base to translate relative to the frame along the width direction of the frame and further move in linkage with the adjusting mechanism and the supporting component along the width direction of the frame, the base pretreatment station is provided with a base material pretreatment mechanism, and the base material pretreatment mechanism can pretreat the edge of the base material, and the pretreatment comprises at least one of folding edge, heat sealing and viscose.

According to the technical scheme, when the non-woven fabric bag is processed, the base material roll is placed on the supporting component, the adjusting mechanism drives the middle connecting component to rotate relative to the base seat and further moves in a linkage mode, so that the position of the base material roll in the vertical direction is adjusted, on one hand, the base material roll is flush with the conveying plane of the base material in the height direction, on the other hand, the tension force between the base material roll and the adjusting mechanism can be adjusted, the risk of breaking the base material in the conveying process due to overlarge tension force in conveying is reduced, the abrasion degree of the base material in the conveying process is reduced, then the base seat is driven by the second driving component to translate relative to the frame in the width direction of the frame, the adjusting mechanism is further linked, and the supporting component is further translated in the width direction of the frame, and therefore the two ends of the base material roll located on the supporting component are adjusted to be mutually aligned with the conveying plane of the base material in the width direction of the frame.

Further, the position of the base material roll is adjusted in the two modes, then the first driving part drives the supporting part to rotate, the base material roll is gradually unreeled, and the base material is conveyed in the conveying plane along the conveying direction of the base material, so that the base material can accurately enter the base material pretreatment mechanism without deviation in position, and the base material can be accurately pretreated, such as flanging, heat sealing, rubberizing and the like, after being conveyed to the pretreatment mechanism.

Further, when the base material roll pretreatment device of the bag forming machine shifts in the base material conveying process, if the base material is deviated due to shaking of the device or thinning of the thickness of the base material roll, the positions of the base materials are adjusted in the two adjustment modes, so that the base material roll and the base material in conveying translate along the width direction of the frame at the same time, and the positions of the base material roll and the base material in the vertical direction are changed at the same time, further, no angle difference exists between the base material roll and the base material in conveying, and the bag forming machine has the advantages of low deviation rectifying frequency and high deviation rectifying accuracy, and the defective rate of produced products is reduced.

In summary, the base material roll pretreatment device of the bag forming machine has the advantages that the tension between the base material roll and the adjusting mechanism can be adjusted, the risk of breaking the base material in the conveying process due to overlarge tension in conveying is reduced, the abrasion degree of the base material in the conveying process is reduced, the deviation correcting frequency of the base material in the conveying process is reduced, the base material can be accurately pretreated after being conveyed to the pretreatment mechanism, such as edge folding, heat sealing, rubberizing and the like, and therefore the defective rate of produced products is reduced, the angle difference between the base material roll and the base material in conveying is avoided, the deviation correcting frequency is low, and the deviation correcting accuracy is high.

The base material roll pretreatment device of the bag forming machine provided by the utility model comprises a frame, a middle connecting part, a limiting part, a supporting part and a base material roll pretreatment device, wherein the middle connecting part extends obliquely upwards from the rear end of the frame, the limiting part is arranged at the other end of the middle connecting part, and the limiting part and the supporting part are positioned at the same side of the middle connecting part and are used for limiting the base material roll.

Further, the position adjusting assembly further comprises a lifting component capable of moving along the vertical direction, one end of the lifting component is installed on the base, the other end of the lifting component is connected with the middle connecting component, and the lifting component is used for supporting the supporting assembly and adjusting the position of the supporting assembly in the vertical direction.

According to the technical scheme, the base material roll on the supporting component can be limited by the limiting component, so that the base material roll is prevented from loosening, and the thickness of the base material roll is determined by measuring the distance between the supporting component and the limiting component, so that the base material is prevented from being abutted to the position adjusting component due to the fact that the thickness of the base material roll is too large, and the conveying of the base material is prevented from being influenced.

Furthermore, the lifting part is arranged to support the supporting component, so that the intermediate connecting part is prevented from rotating back relative to the base due to overweight of the base roll on the supporting part, the working reliability of the base roll pretreatment device of the bag forming machine is improved, and on the other hand, the lifting part is used for providing assistance for rotation of the intermediate connecting part relative to the base, so that the base roll pretreatment device of the bag forming machine is higher in reliability in use.

The base material roll pretreatment device of the bag forming machine comprises a driving roller, a driving member and a supporting member, wherein the supporting member is arranged on a base in an extending mode along the vertical direction, the driving roller is rotatably connected to the end portion, far away from the base, of the supporting member, the other end of the middle connecting part is in transmission connection with the end portion of the driving roller, the driving member is arranged on the supporting member, the driving end of the driving member is in transmission connection with the driving roller, and the driving member drives the driving roller to rotate relative to the supporting member, drives the middle connecting part to swing and further links the supporting part to move.

By adopting the technical scheme, the driving roller is rotatably connected to the end part of the supporting member far away from the base, so that the driving member drives the driving roller to rotate relative to the supporting member, drives the middle connecting part to swing and further links the supporting part to move, and the supporting member has larger moving space.

According to the base material roll pretreatment device of the bag forming machine, the supporting component comprises a first supporting seat and a second supporting seat which are arranged at intervals along the width direction of the frame, the middle connecting part comprises a first swing arm and a second swing arm, and the limiting part is arranged as a limiting roller.

Further, one end of the driving roller is rotationally connected to the first supporting seat, the other end of the driving roller is rotationally connected to the second supporting seat, one end of the supporting component is rotationally connected to one end of the first swing arm, the other end of the supporting component is rotationally connected to one end of the second swing arm, the other end of the first swing arm is in transmission connection with one end of the driving roller, the other end of the second swing arm is in transmission connection with the other end of the driving roller, one end of the limiting roller is rotationally connected with the first swing arm, and the other end of the limiting roller extends along the width direction of the frame and is rotationally connected with the second swing arm.

According to the technical scheme, one end of the supporting component is rotatably connected to one end of the first swing arm, the other end of the supporting component is rotatably connected to one end of the second swing arm, on one hand, the base material roll on the supporting component can be limited, so that the base material roll cannot be loosened due to shaking of the base material roll pretreatment device of the bag forming machine, on the other hand, the supporting component is supported by the two swing arms, when the base material roll is placed on the supporting component, enough supporting force is provided for the base material, and the working reliability of the base material roll pretreatment device of the bag forming machine is improved.

According to the base material roll pretreatment device of the bag forming machine, one ends of the first swing arm and the second swing arm are respectively provided with the bending parts matched with the end parts of the supporting parts, and when the first swing arm and the second swing arm swing to the lowest positions in the vertical direction, the openings of the bending parts are flush with the central shaft height of the base material roll.

By adopting the technical scheme, when a worker assembles the base material roll on the supporting component, the first swing arm and the second swing arm swing to the lowest position, and the opening of the bending part is flush with the central shaft of the base material roll, so that the worker can assemble a new base material roll on the supporting component conveniently.

According to the base roll pretreatment device of the bag forming machine provided by the utility model, the lifting part comprises a first driving cylinder and a second driving cylinder.

Further, along the conveying direction of the base material, a driving cylinder body of the first driving cylinder is fixedly connected to the middle position of the first swing arm, and a driving end of the first driving cylinder is connected to the base.

Further, along the conveying direction of the base material, a driving cylinder body of the second driving cylinder is fixedly connected to the middle position of the second swing arm, and the driving end of the second driving cylinder is connected to the base.

By adopting the technical scheme, as the driving cylinder body of the first driving cylinder is fixedly connected with the first swing arm, and the driving cylinder body of the second driving cylinder is fixedly connected with the second swing arm, the driving cylinder body of the driving cylinder can not limit the first swing arm and the second swing arm in the rotation process of the first swing arm and the second swing arm, so that the swing range of the first swing arm and the second swing arm is larger.

The base material roll pretreatment device of the bag forming machine further comprises a plurality of feeding rollers arranged at the downstream of the base material roll, wherein the feeding rollers are arranged between the first supporting seat and the second supporting seat at intervals along the conveying direction of the base material, one ends of the feeding rollers are rotationally connected with the first supporting seat, and the other ends of the feeding rollers extend along the width direction of the frame and are rotationally connected with the second supporting seat.

By adopting the technical scheme, the base material passes through the plurality of feeding rollers firstly when the base material roll on the supporting component is driven by the first driving component to start conveying because the first supporting seat and the second supporting seat are positioned on the downstream side of the supporting component along the conveying direction of the base material, and supports and conveys the base material through the plurality of feeding rollers because the plurality of feeding rollers are closer to the supporting component, so that the probability of base material deviation is reduced.

According to the web roll pretreatment device of the bag molding machine provided by the utility model, the supporting part comprises an inflatable shaft and a pair of locking members, and the first driving part comprises a mounting bracket and a driving motor.

Further, one end of the inflatable shaft is rotatably connected with one end of the first swing arm, the other end of the inflatable shaft is rotatably connected with one end of the second swing arm, a pair of locking members are arranged at two ends of the inflatable shaft and used for locking the inflatable shaft, and a driving motor is arranged at any one end of the inflatable shaft and used for driving the inflatable shaft to rotate.

Further, the installing support fixed mounting is in the one end of first swing arm or second swing arm, and driving motor fixed mounting is on the installing support, and driving motor's drive end is connected with the one end or the other end transmission of physiosis axle for drive physiosis axle rotates for first swing arm and second swing arm.

By adopting the technical scheme, when a worker assembles the base material roll, the locking member is opened, the inflatable shaft is taken down, the base material roll is sleeved on the inflatable shaft, then the inflatable shaft is placed on the first swing arm and the second swing arm, two ends of the inflatable shaft are installed on the first swing arm and the second swing arm through the locking member, and when feeding, the inflatable shaft is driven to rotate through the driving motor. Thus, there is an advantage in that the material change is convenient by providing the locking member.

The base material roll pretreatment device of the bag forming machine comprises a base material roll pretreatment device, a support assembly, a position detection component and a control mechanism, wherein the base material roll pretreatment device of the bag forming machine comprises a base material conveying direction, the position detection component is positioned at the downstream side of the control mechanism in the base material conveying direction and comprises a deviation correcting electric eye, a guide component and a power component, the guide component and the support component are arranged on a frame in parallel, the power component is fixedly arranged on the frame, the deviation correcting electric eye is arranged on the guide component in a sliding mode, and a driving end of the power component is in transmission connection with the deviation correcting electric eye.

Further, the power member may drive the deviation-correcting electric eye to slide on the guide member, changing the position of the deviation-correcting electric eye in the width direction of the frame to be aligned with the initial positioning point of the web roll.

By adopting the technical scheme, the correction electric eye is aligned with the initial positioning point of the base material roll, when the correction electric eye deviates from the initial positioning point of the base material roll, the position of the base material roll can be adjusted through the position adjusting component, and the position of the base material roll is corrected, so that the follow-up accurate pretreatment of the base material such as edge folding, heat sealing, rubberizing and the like is ensured.

Because when producing the non-woven fabrics bag, need produce the non-woven fabrics bag of equidimension according to the bag type, therefore through setting up guide member and power component, power component drive rectify the electric eye and slide along guide member to change the position of rectifying the electric eye, when producing the non-woven fabrics bag of equidimension, can align with the initial setpoint that produces the binder of different bag type non-woven fabrics bags and roll up, have the advantage that the suitability is high.

According to the base material roll pretreatment device of the bag forming machine, the base material pretreatment mechanism comprises a flat folding component, a heat sealing component, a rubberizing component and a roller component which are sequentially arranged on a frame along the conveying direction of the base material.

Further, the flat folding component is used for folding edges of two sides of the base material in conveying, the heat sealing component is used for carrying out heat sealing treatment on the folding edges of two sides of the base material in conveying, the rubberizing component is used for carrying out gluing on at least one side of the base material in preset length, and the roller component is used for conveying the base material subjected to rubberizing treatment and adjusting the conveying speed of the base material subjected to rubberizing treatment.

By adopting the technical scheme, the base material can be pretreated by arranging the flat folding component, the heat sealing component, the rubberizing component and the roller component, so that the high-quality non-woven fabric bag is processed.

The utility model has the beneficial effects that:

The utility model discloses a base material roll pretreatment device of a bag forming machine, which comprises a frame, wherein the frame is sequentially provided with a base material supply station and a pretreatment station along the conveying direction of a base material, and a base material supply mechanism is arranged on the frame at the base material supply station and comprises a supporting component and a position adjusting component. The support assembly is arranged at the upstream end of the frame along the conveying direction of the base material and supports the base material roll, and comprises a support part for supporting the base material roll, an intermediate connecting part for connecting the support part to the position adjusting assembly and a first driving part, wherein the position adjusting assembly is arranged at the downstream side of the support part along the conveying direction of the base material and comprises a base movably arranged on the base of the frame, an adjusting mechanism arranged on the base and a second driving part arranged on the frame.

The support part is connected to the adjusting mechanism through the intermediate connecting part and extends outwards from the front end of the frame, the first driving part is arranged at one end of the intermediate connecting part and is in transmission connection with the support part and used for driving the support part to rotate, the support part is rotatably arranged at one end of the intermediate connecting part, the other end of the intermediate connecting part is connected to the adjusting mechanism, the adjusting mechanism can drive the intermediate connecting part to rotate relative to the base and further move in a linkage manner, the second driving part drives the base to translate relative to the frame along the width direction of the frame and further link the adjusting mechanism and the support component to translate along the width direction of the frame, the pretreatment station is provided with a base material pretreatment mechanism, the base material pretreatment mechanism can pretreat the edge of the base material, and the pretreatment comprises at least one of folding edges, heat sealing and viscose.

When the non-woven fabric bag is processed, the base material roll is placed on the supporting part, the middle connecting part is driven by the adjusting mechanism to rotate relative to the base, and the supporting part is further linked to move, so that the position of the base material roll in the vertical direction is adjusted, on one hand, the base material roll is flush with the conveying plane of the base material in the height direction, on the other hand, the tension force between the base material roll and the adjusting mechanism can be adjusted, the risk of breaking the base material in the conveying process due to overlarge tension force in conveying is reduced, the abrasion degree of the base material in the conveying process is reduced, then the base is driven by the second driving part to translate relative to the frame in the width direction of the frame, the adjusting mechanism and the supporting component are further linked to translate along the width direction of the frame, and therefore the two ends of the base material roll positioned on the supporting part are adjusted to be mutually aligned with the conveying plane of the base material in the width direction of the frame.

The base material roll pretreatment device of the bag forming machine has the advantages that the correction frequency of the base material in the conveying process is reduced, the base material can be accurately pretreated after being conveyed to the pretreatment mechanism, such as edge folding, heat sealing, rubberizing and the like, so that the defective rate of produced products is reduced, the angle difference between the base material roll and the base material in the conveying process is avoided, the correction frequency is low, and the correction accuracy is high.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a web roll pretreatment device of a bag molding machine according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of a base roll pretreatment device of a bag forming machine according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of the overall structure of a position detecting unit according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the overall structure of an indentation member according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the overall structure of a hemming member provided in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic view of the overall structure of a heat seal assembly according to an embodiment of the present utility model;

fig. 7 is a schematic overall structure of a rubberizing assembly according to an embodiment of the utility model.

Reference numerals illustrate:

1. The device comprises a base material supplying station, a W, a width direction, a L, a base material conveying direction;

2. a frame;

3. A base material supply mechanism;

30. a support assembly;

300. 3001, an inflatable shaft, 3002, a locking member;

301. 3010, a first swing arm, 3011, a second swing arm, 3012, a bending part;

302. first driving part 3020, mounting bracket 3021, driving motor;

303. a limit part 3031, a limit roller;

304. Lifting component 3040, first driving cylinder 3041, second driving cylinder;

305. Position detecting component 3050, deviation correcting electric eye 3051, guide component 3052 and power component;

31. A position adjustment assembly;

310. A base;

311. The device comprises an adjusting mechanism, 3110, a driving roller, 3111, a driving member, 3113, a supporting member, 3113a, a first supporting seat, 3113b and a second supporting seat;

4. Feeding roller

5. A pretreatment station;

6. a base stock pretreatment mechanism;

60. a flat folding assembly;

600. an indentation member;

6001. 6002, guiding members 6003, guiding rollers;

601. a hemming member;

6010. 6011, first flat-folded member, 6012, second flat-folded member;

61. a heat seal assembly;

610. 611 parts for adjusting position, 612 parts for guiding;

62. A rubberizing component;

620. A guide member 621, an adhesive member 622, a driving member;

63. A roller assembly.

Detailed Description

The cloth pretreatment device is an indispensable device in the processing process of cloth bags, plays an important role in the early stage of cloth processing, and aims to improve the quality and the processing efficiency of cloth. These devices are of varying design and function, but a common goal is to provide a better basis for subsequent fabric shaping processes, such as hemming, creasing, and rubberizing. Therefore, the cloth pretreatment device is necessary to perform deviation correction work in the process of producing and manufacturing cloth bags so as to ensure that the cloth keeps a correct position in the process of processing and avoid deviation or deviation.

The deviation correcting mechanism on the cloth pre-treating device is one kind of mechanical device specially designed for correcting the side error of cloth in forward motion. The main function of the cloth is to ensure that the cloth is kept tidy in the production process by adjusting the side edge position of the cloth, thereby improving the production efficiency and the product quality. In the prior art, most deviation rectifying mechanisms of cloth pretreatment devices are mainly used for rectifying the cloth by adjusting the position of a certain part on a cloth conveying path when rectifying, for example, a deviation rectifying roller is arranged for rectifying the cloth, or the deviation rectifying mechanism directly acts on the cloth by means of pneumatic, electric and the like to rectify the position deviation of the cloth.

However, in this production mode of correcting the cloth by adjusting the position of a certain component on the cloth conveying path, taking setting a correction roller as an example, in the production process, when the thickness of the cloth roll changes or the position of the cloth on the correction roller is corrected, an angle difference exists between the cloth on the correction roller and the cloth roll, in the process of conveying the cloth, the cloth is easy to deviate, calibration is needed, the correction frequency is higher, and thus the defective rate of the produced product is higher.

Therefore, how to reduce the deviation correcting frequency of the cloth pretreatment device when treating cloth, thereby reducing the defective rate of the produced products has become a problem to be solved.

The utility model provides a base roll pretreatment device of a bag forming machine, which comprises a frame, a base feeding mechanism and a base pretreatment mechanism, wherein the base feeding mechanism and the base pretreatment mechanism are arranged on the frame, the base feeding mechanism comprises a supporting component and a position adjusting component, the supporting component comprises a supporting component, a middle connecting component and a first driving component, the position adjusting component comprises a base, an adjusting mechanism and a second driving component, the adjusting mechanism can drive the middle connecting component to rotate relative to the base and further link the supporting component to move, the second driving component drives the base to translate relative to the frame along the width direction of the frame and further link the adjusting mechanism and the supporting component to translate along the width direction of the frame, and the correction frequency of the base in the conveying process is reduced by adjusting the positions of the base rolls in the two modes, so that the base can be accurately pretreated after being conveyed to the pretreatment mechanism, and the defective rate of produced products is reduced.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

First, a web roll pretreatment device of a bag forming machine will be described in its entirety.

As shown in fig. 1 and 2, the embodiment of the utility model discloses a base roll pretreatment device of a bag forming machine, which comprises a frame 2, a base feeding mechanism and a base pretreatment mechanism 6, wherein the base feeding mechanism and the base pretreatment mechanism 6 are arranged on the frame 2, the frame 2 is sequentially provided with a base feeding station 1 and a pretreatment station 5 along the conveying direction L of the base, the base pretreatment mechanism 6 is positioned at the base feeding station 1, the base pretreatment mechanism 6 is positioned at the pretreatment station 5, the base pretreatment mechanism 6 can pretreat the edge of the base, and the pretreatment comprises at least one of edge folding, heat sealing and viscose.

The base material supply mechanism includes a support assembly 30 and a position adjustment assembly 31, the support assembly 30 being provided at an upstream end portion of the frame 2 in a conveying direction L of the base material and supporting the base material roll, and including a support member 300 supporting the base material roll, an intermediate connection member 301 connecting the support member 300 to the position adjustment assembly 31, and a first driving member 302, and the position adjustment assembly 31 being provided at a downstream side of the support member 300 in the conveying direction L of the base material, including a base 310 movably provided on a base of the frame 2, an adjustment mechanism 311 provided on the base 310, and a second driving member (not shown in the drawing) provided on the frame 2, the support member 300 being connected to the adjustment mechanism 311 through the intermediate connection member 301 and projecting outward from a front end of the frame 2.

The first driving component 302 is installed at one end of the intermediate connecting component 301 and is in transmission connection with the supporting component 300, and is used for driving the supporting component 300 to rotate, the supporting component 300 is rotatably arranged at one end of the intermediate connecting component 301, the other end of the intermediate connecting component 301 is connected to the adjusting mechanism 311, the adjusting mechanism 311 can drive the intermediate connecting component 301 to rotate relative to the base 310 and further link the supporting component 300 to move, the second driving component drives the base 310 to translate relative to the frame 2 along the width direction W of the frame 2, and further links the adjusting mechanism 311 and the supporting component 30 to translate along the width direction W of the frame 2.

Specifically, the working principle of the base roll pretreatment device of the bag forming machine provided by the embodiment is that when a non-woven fabric bag is processed, a worker places a base roll on the supporting component 300, drives the middle connecting component 301 to rotate relative to the base 310 through the adjusting mechanism 311 and further links the supporting component 300 to move, so that the position of the base roll in the vertical direction is adjusted, on one hand, the base roll is flush with a base conveying plane in the height direction, on the other hand, the tension force between the base roll and the adjusting mechanism 311 can be adjusted, the risk of base breaking in the conveying process due to overlarge tension force in conveying is reduced, the abrasion degree of the base in the conveying process is reduced, then the base 310 is driven by the second driving component to translate relative to the frame 2 along the width direction W of the frame 2, and further links the adjusting mechanism 311 and the supporting component 30 to translate along the width direction W of the frame 2, and therefore the two ends of the base roll on the supporting component 300 are adjusted to be mutually aligned with the base conveying plane in the width direction W of the frame 2.

Specifically, the position of the base material roll is adjusted in the two ways, and then the first driving part 302 drives the supporting part 300 to rotate, the base material roll is gradually unreeled, and the base material is conveyed in the conveying plane along the conveying direction L of the base material, so that the base material can accurately enter the base material pretreatment mechanism 6 without deviation in position, and the base material can be accurately pretreated, such as hemming, heat sealing, rubberizing and the like, after being conveyed to the pretreatment mechanism.

More specifically, when the base material roll pretreatment device of the bag forming machine shifts the position of the base material in the process of conveying the base material, such as the base material is deviated due to shaking of the device or thinning of the thickness of the base material roll, the position of the base material is adjusted by the two adjustment modes, so that the base material roll and the base material in conveying translate along the width direction W of the frame 2 at the same time, and the positions of the base material roll and the base material in the vertical direction are changed at the same time, further, no angle difference exists between the base material roll and the base material in conveying, and the bag forming machine has the advantages of low deviation rectifying frequency and high deviation rectifying accuracy, thereby reducing the defective rate of produced products.

Therefore, the base material roll pretreatment device of the bag forming machine provided by the utility model has the advantages that the tension between the base material roll and the regulating mechanism 311 can be regulated, the risk of breaking the base material in the conveying process due to overlarge tension in conveying is reduced, the abrasion degree of the base material in the conveying process is reduced, the deviation correcting frequency of the base material in the conveying process is reduced, the base material can be accurately pretreated after being conveyed to the pretreatment mechanism, such as edge folding, heat sealing, rubberizing and the like, and the defective rate of produced products is reduced, the angle difference between the base material roll and the base material in conveying is avoided, the deviation correcting frequency is low, and the deviation correcting accuracy is high.

It should be understood that there is no angle difference between the base material roll and the base material in the conveying, that is, there is no angle difference between the base material roll and the base material in the conveying in both the horizontal direction and the vertical direction, that is, the two sides of the base material roll in the horizontal direction are aligned with the two sides of the base material in the conveying in the horizontal direction, and the height of the base material roll in the vertical direction is the same as the height of the base material in the conveying in the vertical direction.

Of course, it should be further understood that, since the web roll gradually becomes thinner during the gradual unwinding process, the adjusting mechanism 311 may also be set to a normal operation state, and when the web gradually becomes thinner during the gradual unwinding process, the adjusting mechanism 311 gradually drives the intermediate connecting member 301 to swing, so that the thickness of the web roll is synchronized with the swinging angle of the intermediate connecting member 301, thereby reducing the deviation rectifying frequency of the web roll preprocessing device of the subsequent bag forming machine.

More specifically, the structure of the second driving member is not limited, and may be, for example, a linear motor, an electric push rod, or the like.

For example, in one embodiment, the second driving part is provided as a linear motor fixedly mounted on the frame 2, the driving end of which is in driving connection with the base 310, and the base 310 is driven to translate along the width direction W of the frame 2 by the driving end of which when the linear motor is turned on.

In another embodiment, the second driving part is an electric push rod, the electric push rod is fixedly arranged on the frame 2, the driving end of the electric push rod is in transmission connection with the base 310, and when the electric push rod is opened, the base 310 is driven to translate along the width direction W of the frame 2 through the driving end of the electric push rod.

The structure of the adjustment mechanism 311 of the intermediate connection member 301 will be described in further detail below to make the rotation mode and the movement track of the intermediate connection member 301 more clearly understood.

As shown in fig. 1 and 2, in the embodiment disclosed in this embodiment, the adjusting mechanism 311 includes a driving roller 3110, a driving member 3111 and a supporting member 3113, the supporting member 3113 is disposed on the base 310 in a manner of extending along a vertical direction, the driving roller 3110 is rotatably connected to an end portion of the supporting member 3113 away from the base 310, such that the driving roller 3110 is located away from the base 310 in the vertical direction, and the other end of the intermediate connecting component 301 is drivingly connected to the end portion of the driving roller 3110, so that when the driving member 3111 drives the driving roller 3110 to rotate relative to the supporting member 3113, drives the intermediate connecting component 301 to swing and further moves in linkage with the supporting component 300, the intermediate connecting component 301 has a larger moving space.

Specifically, the driving member 3111 is mounted on the support member 3113, and the driving end of the driving member 3111 is in transmission connection with the driving roller 3110, and the driving member 3111 drives the driving roller 3110 to rotate relative to the support member 3113, drives the intermediate connecting unit 301 to swing and further moves in linkage with the support unit 300. Thereby changing the position of the support member 300 in the vertical direction, and realizing the adjustment of the position of the web roll located on the support member 300, so that the web roll can be positioned in the vertical direction flush with the web transport plane.

More specifically, the driving member 3111 may be configured as an electric motor, a driving motor 3021, or the like, and the driving motor 3021 or the driving end of the electric motor or the driving roller 3110 may be connected in a driving manner to drive the driving roller 3110 to rotate.

More specifically, the manner of transmission connection between the other end of the intermediate connection member 301 and the end of the driving roller 3110 is not limited.

For example, in one embodiment, a driving disc is disposed at an end of the driving roller 3110, the driving disc is looped around the end of the driving roller 3110 and is fixedly connected to the driving roller 3110, the other end of the intermediate connecting unit 301 is fixedly connected to the driving disc, and when the driving member 3111 drives the driving roller 3110 to rotate, the driving disc is driven to rotate in conjunction with the intermediate connecting unit 301 relative to the supporting member 3113, so as to achieve the purpose of changing the position of the supporting unit 300 in the vertical direction.

In another embodiment, the other end of the intermediate connecting member 301 is provided with a threaded hole, and a screw section is provided at the end of the driving roller 3110, and the driving roller 3110 is connected to the intermediate connecting member 301 by a bolt through insertion of the screw section into the mounting hole.

In yet another embodiment, the other end of the intermediate connection member 301 is welded to the end of the drive roller 3110, thereby effecting a driving connection of the intermediate connection member 301 to the drive roller 3110.

More specifically, the structure of the intermediate connection part 301 and the support member 3113 is not limited.

For example, in one implementation disclosed in this example, as shown in fig. 1 and 2, the support member 3113 includes a first support base 3113a and a second support base 3113b that are disposed at intervals along the width direction W of the chassis 2, and the intermediate connection component 301 includes a first swing arm 3010 and a second swing arm 3011.

Specifically, one end of the driving roller 3110 is rotatably connected to the first support base 3113a, the other end is rotatably connected to the second support base 3113b, one end of the support member 300 is rotatably connected to one end of the first swing arm 3010, the other end is rotatably connected to one end of the second swing arm 3011, the other end of the first swing arm 3010 is in transmission connection with one end of the driving roller 3110, and the other end of the second swing arm 3011 is in transmission connection with the other end of the driving roller 3110.

More specifically, one end of the supporting component 300 is rotatably connected to one end of the first swing arm 3010, and the other end of the supporting component 300 is rotatably connected to one end of the second swing arm 3011, so that on one hand, a base roll positioned on the supporting component 300 can be limited, and cannot be loosened due to shaking of a base roll pretreatment device of the bag forming machine, and on the other hand, the supporting component 300 is supported by the two swing arms, and when the base roll is placed on the supporting component 300, enough supporting force is provided for the base, and the working reliability of the base roll pretreatment device of the bag forming machine is improved.

More specifically, one end of the first swing arm 3010 and one end of the second swing arm 3011 are both provided with a bending portion 3012 adapted to the end of the supporting member 300, and in the vertical direction, when the first swing arm 3010 and the second swing arm 3011 swing to the lowest position, the opening of the bending portion 3012 is flush with the central axis height of the web roll. When a worker assembles the base roll onto the support member 300, the first swing arm 3010 and the second swing arm 3011 are swung to the lowest position, and the opening of the bending portion 3012 is flush with the central axis of the base roll, thereby facilitating the assembly of a new base roll onto the support member 300 by the worker.

More specifically, the shape of the bending portion 3012 is not limited, and may be an "L" bending portion 3012 that opens toward the support member 300, or may be an inverted triangle bending portion 3012 that opens toward the support member 300, and the like, and those skilled in the art may set the shape according to their own needs, and the present embodiment is not limited thereto.

In another implementation of the disclosure of the present embodiment, the support member 3113 includes a first tripod and a second tripod spaced apart along the width direction W of the frame 2, and the intermediate connection part 301 includes a first rocker and a second rocker.

Specifically, one end of the driving roller 3110 is rotatably connected to the first tripod, the other end is rotatably connected to the second tripod, one end of the supporting member 300 is rotatably connected to one end of the first rocker, the other end is rotatably connected to one end of the second rocker, the other end of the first rocker is in transmission connection with one end of the driving roller 3110, and the other end of the second rocker is in transmission connection with the other end of the driving roller 3110. By providing the support member 3113 as an tripod, stability is improved when the driving member 3111 drives the driving roller 3110 to rotate with respect to the support member 3113, bringing the intermediate link 301 to swing and further move in conjunction with the support unit 300.

The structure of the support member 300 will be described in further detail so that the connection relationship between the support member 300 and the intermediate connection member 301 will be more clearly understood.

As shown in fig. 1 and 2, in the implementation of the present embodiment disclosed, the support member 300 includes an inflatable shaft 3001 and a pair of lock members 3002, and the first driving member 302 includes a mounting bracket 3020 and a driving motor 3021. One end of the balloon shaft 3001 is rotatably connected with one end of the first swing arm 3010, the other end is rotatably connected with one end of the second swing arm 3011, a pair of locking members 3002 are mounted at both ends of the balloon shaft 3001 for locking the balloon shaft 3001, and a driving member 3111 is mounted at either end of the balloon shaft 3001 for driving the balloon shaft 3001 to rotate. The mounting bracket 3020 is fixedly mounted at one end of the first swing arm 3010 or the second swing arm 3011, the driving motor 3021 is fixedly mounted on the mounting bracket 3020, and a driving end of the driving motor 3021 is in transmission connection with one end or the other end of the inflatable shaft 3001, and is used for driving the inflatable shaft 3001 to rotate relative to the first swing arm 3010 and the second swing arm 3011.

Specifically, when a worker assembles the base material roll, the locking member 3002 is opened, the inflatable shaft 3001 is taken down, the base material roll is sleeved on the inflatable shaft, then the inflatable shaft is placed on the first swing arm 3010 and the second swing arm 3011, two ends of the inflatable shaft are installed on the first swing arm 3010 and the second swing arm 3011 through the locking member 3002, and when feeding, the inflatable shaft is driven to rotate through the driving motor 3021, so that the base material roll on the inflatable shaft 3001 is gradually opened. Thus, there is an advantage in that the reloading is facilitated by providing the lock member 3002.

The structure of the lock member 3002 is not limited, and for example, a pressure motor with a ring-shaped buckle at the driving end, a ring-shaped buckle, and the like may be provided.

For example, in one embodiment, the lock member 3002 is configured as a pressure motor with a ring button at the driving end, and when the inflatable shaft 3001 is installed, both ends of the inflatable shaft 3001 are respectively installed on the first swing arm 3010 and the second swing arm 3011 by the ring button at the driving end of the press, and when the inflatable shaft 3001 is removed, the ring button is driven to open by the driving motor 3021, and the inflatable shaft 3001 is removed.

In another embodiment, the locking member 3002 is configured as an annular buckle, a mounting hole is provided at a rotational connection portion between the first swing arm 3010 and the second swing arm 3011 and an end portion of the inflatable shaft 3001, and when the inflatable shaft 3001 is mounted, a worker engages the annular buckle into the mounting hole to mount the inflatable shaft 3001 on the first swing arm 3010 and the second swing arm 3011, and when the inflatable shaft 3001 is removed, the annular buckle is opened to remove the inflatable shaft 3001.

It is to be appreciated that when the lock member 3002 mounts the balloon shaft 3001 on the first swing arm 3010 and the second swing arm 3011, both ends of the balloon shaft 3001 are rotatably connected to the first swing arm 3010 and the second swing arm 3011.

In the implementation manner disclosed in this embodiment, as shown in fig. 1 and 2, the supporting component 30 further includes a limiting component 303, and the structure and the arrangement manner of the limiting component 303 are further described below.

In one embodiment, the middle connecting part 301 extends obliquely upwards from the rear end of the frame 2, and the limiting part 303 is arranged at the other end (the end in driving connection with the limiting roller 3031) of the middle connecting part 301, and the limiting part 303 and the supporting part 300 are positioned at the same side of the middle connecting part 301 for limiting the base roll.

Specifically, by arranging the limiting component 303, on one hand, the base material roll positioned on the supporting component 300 can be limited to avoid loosening of the base material roll, and on the other hand, the thickness dimension of the base material roll is determined by measuring the distance between the supporting component 300 and the limiting component 303, so that the base material roll is prevented from being abutted to the position adjusting component 31 due to the fact that the thickness of the base material roll is too thick, and the conveying of the base material is prevented from being influenced.

More specifically, the structure and form of the limiting member 303 are not limited, and may be, for example, a limiting roller 3031, a limiting rod, a limiting rotating shaft, or the like.

In one embodiment, the limiting member 303 is configured as a limiting roller 3031, and one end of the limiting roller 3031 is rotatably connected to the first swing arm 3010, and the other end extends in the width direction W of the frame 2 and is rotatably connected to the second swing arm 3011.

In another possible embodiment, the limiting member 303 is provided as a limiting lever, one end of which is rotatably connected to the first swing arm 3010 and the other end of which extends in the width direction W of the frame 2 and is rotatably connected to the second swing arm 3011.

In the implementation manner disclosed in this embodiment, as shown in fig. 1 and 2, the position adjustment assembly 31 further includes a limiting member 303, and the structure and arrangement manner of the limiting member 303 are further described below.

In one embodiment, the position adjusting assembly 31 further includes a lifting member 304 movable in a vertical direction, one end of the lifting member 304 is mounted to the base 310, and the other end is connected to the intermediate connection member 301, for supporting the support assembly 30 and adjusting the position of the support assembly 30 in the vertical direction.

Specifically, by arranging the lifting component 304, on one hand, the supporting component 30 can be supported, the intermediate connecting component 301 is prevented from rotating back relative to the base 310 due to overweight of the base roll on the supporting component 300, the working reliability of the base roll pretreatment device of the bag forming machine is improved, and on the other hand, the lifting component 304 provides assistance for rotating the intermediate connecting component 301 relative to the base 310, and the reliability of the base roll pretreatment device of the bag forming machine is higher in use.

More specifically, the structure and form of the elevating member 304 are not limited. As shown in fig. 1 and 2, in one possible embodiment, the lifting member 304 includes a first driving cylinder 3040 and a second driving cylinder 3041, wherein the driving cylinder of the first driving cylinder 3040 is fixedly connected to the middle position of the first swing arm 3010 in the conveying direction L of the base material, the driving end of the first driving cylinder 3040 is connected to the base 310, the driving cylinder of the second driving cylinder 3041 is fixedly connected to the middle position of the second swing arm 3011, and the driving end of the second driving cylinder 3041 is connected to the base 310.

More specifically, since the driving cylinder body of the first driving cylinder 3040 is fixedly connected to the first swing arm 3010, and the driving cylinder body of the second driving cylinder 3041 is fixedly connected to the second swing arm 3011, the driving cylinder body of the driving cylinder can not limit the first swing arm 3010 and the second swing arm 3011 in the rotation process of the first swing arm 3010 and the second swing arm 3011, so that the swing range of the first swing arm 3010 and the second swing arm 3011 is larger.

More specifically, since the driving cylinder body of the first driving cylinder 3040 is fixedly connected to the intermediate position of the first swing arm 3010, the driving cylinder body of the second driving cylinder 3041 is fixedly connected to the intermediate position of the second swing arm 3011. Thus, by this arrangement, the stress of the web roll positioned on the support member 300 can be reasonably distributed, and the risk of the first swing arm 3010 and the second swing arm 3011 breaking due to too high bearing capacity caused by too heavy web roll at the transmission connection of the first swing arm 3010 and the driving roller 3110 is reduced.

It should be understood that the driving ends of the first driving cylinder 3040 and the second driving cylinder 3041 are rotatably connected to the base 310, so that when the first swing arm 3010 and the second swing arm 3011 swing, the first driving cylinder 3040 and the second driving cylinder 3041 can also swing correspondingly, and adapt to the swinging angles of the first swing arm 3010 and the second swing arm 3011.

In another implementation manner, the lifting component 304 comprises a first electric push rod and a second electric push rod, wherein a power motor of the first electric push rod is fixedly connected to the middle position of the first swing arm 3010 along the conveying direction L of the base material, a driving end of the first electric push rod is connected to the base 310, a power motor of the second electric push rod is fixedly connected to the middle position of the second swing arm 3011, and a driving end of the second electric push rod is connected to the base 310.

In the embodiment disclosed in this example, as shown in fig. 1 and 2, the web roll pretreatment device of the bag forming machine further includes a plurality of feeding rollers 4 disposed downstream of the web roll, and the structure and arrangement of the plurality of feeding rollers 4 are further described below.

In one embodiment, the plurality of feeding rollers 4 are disposed between the first support base 3113a and the second support base 3113b at intervals along the conveying direction L of the base material, and one ends of the plurality of feeding rollers 4 are rotatably connected to the first support base 3113a, and the other ends thereof extend along the width direction W of the frame 2 and are rotatably connected to the second support base 3113 b.

Specifically, by providing the plurality of feeding rollers 4, and because the first support base 3113a and the second support base 3113b are located at the downstream side of the support member 300 in the conveying direction L of the base material, when the base material roll located on the support member 300 is driven by the first driving member 302 to start conveying, the base material passes through the plurality of feeding rollers 4 first, and because the plurality of feeding rollers 4 are closer to the support member 300, the base material is supported and conveyed by the plurality of feeding rollers 4, and the probability of base material deviation is reduced.

More specifically, the number of the multiple follow-up feeding drums 4 may be set to 2, 3, 5, etc., and those skilled in the art may set up the drum according to their own needs, which is not limited herein.

In the implementation manner disclosed in this embodiment, as shown in fig. 1 to 3, the support assembly 30 further includes a position detecting component 305, and the structure and arrangement manner of the position detecting component 305 are further described below.

In one implementation, the position detecting component 305 is located at the downstream side of the adjusting mechanism 311 in the conveying direction L of the base material, and the position detecting component 305 comprises a deviation rectifying electric eye 3050, a guide member 3051 and a power member 3052, wherein the guide member 3051 is arranged on the frame 2 in parallel with the supporting component 300, the power member 3052 is fixedly installed on the frame 2, the deviation rectifying electric eye 3050 is slidably arranged on the guide member 3051, and the driving end of the power member 3052 is in transmission connection with the deviation rectifying electric eye 3050. The power member 3052 may drive the deviation correcting electric eye 3050 to slide on the guide member 3051, changing the position of the deviation correcting electric eye 3050 in the width direction W of the frame 2 to be aligned with the initial positioning point of the web roll.

Specifically, through setting up the electric eye 3050 of rectifying and aligning with the initial setpoint that the binder rolled up, when the electric eye 3050 of rectifying takes place to deviate from the initial setpoint that the binder rolled up, can adjust the position that the binder rolled up through the position adjustment subassembly, correct the position that the binder rolled up to ensured that follow-up can carry out accurate preliminary treatment to the binder, such as hem, heat-seal and rubberizing etc..

The guide member 3051 is not limited in structure, and may be, for example, a guide bar, a rail, a slide rail, or the like.

The power member 3052 may be, for example, a hand wheel, a slider, a screw, an electric push rod, a linear motor, or the like.

In an implementation, the guide component 3051 is set as the guide bar, and power component 3052 includes hand wheel and lead screw, rectifies electric eye 3050 and guide bar sliding connection, and on slider spiro union and the lead screw, and slider and rectify electric eye 3050 fixed connection, when the electric eye 3050 position of rectifying needs to be changed, the staff can drive the electric eye 3050 of rectifying through the slider and slide along the guide bar through rocking the hand wheel, changes the position of rectifying electric eye 3050, and has convenient operation's advantage.

In an implementation manner, the guide member 3051 is set as a guide rail, the power member 3052 is set as an electric push rod, the deviation rectifying electric eye 3050 is in sliding connection with the guide rail, the driving end of the electric push rod is in transmission connection with the deviation rectifying electric eye 3050, when the position of the deviation rectifying electric eye 3050 needs to be changed, a worker pushes the deviation rectifying electric eye 3050 to slide along the guide rail through the electric push rod by opening the electric push rod, and the position of the deviation rectifying electric eye 3050 is changed.

It should be understood that the initial positioning point of the web roll is a target located on the web roll, and when the deviation correcting electric eye 3050 is aligned with the initial positioning point, the height of the web roll in the vertical direction is flush with the height of the conveying plane of the web in the vertical direction, and the two side edges of the web roll are aligned with the two side edges of the conveying plane of the web in the width direction W of the frame 2.

More specifically, the position detecting unit 305 further includes a controller, the controller is mounted on the frame 2 and is electrically connected to the deviation correcting electric eye 3050, the driving member 3111 of the adjusting mechanism 311 and the second driving unit, wherein the deviation correcting electric eye 3050 is used for collecting position information of the cloth in the conveying process and feeding back the position information to the controller, when the deviation correcting electric eye 3050 collects the position information of the cloth and deflects, the controller controls the second driving unit to drive the base 310 to move and adjust the position of the base material in the width direction W of the frame 2, and the controller controls the driving member 3111 of the adjusting mechanism 311 to adjust the position of the base material in the vertical direction, so that the deviation correcting electric eye 3050 is always aligned with an initial positioning point of the base material roll, and quality of produced products is improved.

In the embodiment disclosed in this example, as shown in fig. 4 to 7, the structure and arrangement of the base stock pretreatment mechanism 6 disposed on the frame 2 at the pretreatment station 5 are further described below.

In one possible embodiment, the web pretreatment mechanism 6 includes a flat folding assembly 60, a heat sealing assembly 61, a rubberizing assembly 62, and a roller assembly 63 sequentially disposed on the frame 2 along the conveying direction L of the web. The flat folding assembly 60 is used for folding edges of two sides of the base material in conveying, the heat sealing assembly 61 is used for carrying out heat sealing treatment on the folded edges of two sides of the base material in conveying, the rubberizing assembly 62 is used for carrying out gluing on at least one folded edge of the base material with a preset length, and the roller assembly 63 is used for conveying the base material subjected to rubberizing treatment and adjusting the conveying speed of the base material subjected to rubberizing treatment.

Specifically, the base materials can be pretreated by arranging the flat folding assembly 60, the heat sealing assembly 61, the rubberizing assembly 62 and the roller assembly 63, so that the quality of the processed non-woven fabric bag is higher.

In the implementation manner disclosed in this embodiment, as shown in fig. 4 and 5, the structure and arrangement manner of the flat-fold assembly 60 are further explained below.

In one embodiment, the folding assembly 60 includes a creasing part 600 and a folding part 601 sequentially disposed in a cloth conveying direction L, wherein the creasing part 600 includes a creasing member 6001 and a guiding member 6002, the guiding member 6002 is mounted to the frame 2, and the creasing member 6001 is slidably connected to the guiding member 6002, and the creasing member 6001 is slidable on the guiding member 6002 in a width direction W of the frame 2, and the folding part 601 includes an adjusting member 6010, and a first folding member 6011 and a second folding member 6012 disposed on the adjusting member 6010 at intervals in the width direction W of the frame 2 and in driving connection with the adjusting member 6010, and the adjusting member 6010 is adjustable in a position of the first folding member 6011 and the second folding member 6012 in the width direction W of the frame 2.

Specifically, in the conveying process of the base material, the base material is first subjected to indentation treatment by the embossing member 6001, and then both sides of the base material are folded by the first folding member 6011 and the second folding member 6012, so that the folding treatment of the base material is realized.

More specifically, when the size of the base material is changed, the pressing member 6001 can slide on the guide member 6002 to change the position thereof in the width direction W of the frame 2, thereby accommodating the base material of different sizes, and the position of the first flat folding member 6011 and the second flat folding member 6012 in the width direction W of the frame 2 is adjusted by the adjusting member 6010, thereby accommodating the base material of different sizes.

More specifically, the indentation member 600 is further provided with a guiding roller 6003, where the guiding roller 6003 extends along the width direction W of the frame 2, is mounted on the frame 2, is slidably connected to the frame 2, and is used for guiding and conveying the base material, and may also limit the base material.

It is to be understood that the structures of the pressing member 6001 and the guide member 6002 are not limited, and for example, the pressing member 6001 may be provided as a platen, a pressing block, or the like, and the guide member 6002 may be provided as a guide rod, a guide rail, a slide rail, or the like.

More specifically, the structures of the regulating member 6010, the first flat folding member 6011, and the second flat folding member 6012 are not limited.

In one implementation, the adjusting member 6010 comprises a hand wheel, a screw rod and a guide rod, the first flat folding member 6011 comprises a first pressing wheel and a first folding plate, the second flat folding member 6012 comprises a second pressing wheel and a second folding plate, the first pressing wheel and the first folding plate are sequentially arranged along the conveying direction L of the base material and are in sliding connection with the guide rod, the second pressing wheel and the second folding plate are sequentially arranged along the production direction and are in sliding connection with the guide rod, and the first pressing wheel, the first folding plate, the second pressing wheel and the second folding plate are in transmission connection with the screw rod and enable the first pressing wheel, the first folding plate, the second pressing wheel and the second folding plate to move along the width direction W of the frame 2 by rotating the hand wheel.

In another implementation manner, the adjusting member 6010 includes a linear motor and a guide rail, the first flat folding member 6011 is configured as a first folding plate, the second flat folding member 6012 is configured as a second folding plate, the first folding plate and the second folding plate are slidably connected to the guide rail, the linear motor is drivingly connected to the first folding plate and the second folding plate, and the first folding plate and the second folding plate can be driven to move along the width direction W of the frame 2.

In the embodiment disclosed in this example, as shown in fig. 6, the structure and arrangement of the heat seal assembly 61 will be further explained below.

In one implementation, the heat seal assembly 61 includes a pair of heat seal members 610, a guide member 612 and a position adjustment member 611, wherein the guide member 612 and the position adjustment member 611 are mounted on the frame 2, the pair of heat seal members 610 are disposed on the guide member 612 at intervals along the width direction W of the frame 2 and slidably connected to the guide member 612, and the position adjustment member 611 is respectively in driving connection with the pair of heat seal members 610 for adjusting the positions of the pair of heat seal members 610 in the width direction W of the frame 2.

Specifically, by providing the pair of heat seal members 610, when the base material is conveyed to the heat seal assembly 61, the two side folds of the base material are heat-sealed by the pair of heat seal members 610, preventing the folds from being turned back again.

More specifically, when the size of the base material is changed, the pair of heat-sealing members 610 are driven to translate along the width direction W of the frame 2 on the guide members 612 by the position adjusting members 611, so that the positions of the pair of heat-sealing members 610 in the width direction W of the frame 2 are changed, and the purpose of adapting to different base material sizes is achieved.

More specifically, the pair of heat sealing members 610 may each be provided as a heat sealer of a different model, such as an ultrasonic heat sealer, an electric heat sealer, or the like.

More specifically, the guide member 612 is not limited in structure and may be provided as a slide bar, a guide rail, a slide rail, or the like.

More specifically, the position adjusting member 611 is not limited in structure and may be provided as a hand wheel and screw assembly, a linear motor, a push rod, or the like.

In the implementation manner disclosed in this embodiment, as shown in fig. 7, the structure and arrangement manner of the rubberizing assembly 62 are further explained below.

In one implementation, the rubberizing assembly 62 includes a guiding part 620, an adhesive part 621 and a driving part 622, wherein the guiding part 620 and the driving part 622 are fixedly installed on the machine frame 2, the adhesive part 621 is slidably connected with the guiding part 620, the driving end of the driving part 622 is in driving connection with the adhesive part 621, and the driving part 622 can drive the adhesive part 621 to slide on the guiding part 620 along the width direction W of the machine frame 2.

Specifically, when the base material is conveyed to the rubberizing component 62 through the adhesive component 621, the adhesive component 621 can rubberize one side edge of the base material subjected to heat sealing treatment by a preset length, and the rubberizing length can be 3cm, 4cm, 4.5cm and the like.

More specifically, when the size of the base material is changed, the driving part 622 drives the adhesive part 621 to slide on the guiding part 620, so that the position of the adhesive part 621 in the length direction of the frame 2 is changed, and the purpose of adapting to the sizes of base materials with different sizes is realized.

More specifically, the adhesive 621 is not limited in structure and may be provided as a paste machine, a dispenser, or the like.

For example, in one implementation, the adhesive component 621 is configured as an adhesive applicator, where the adhesive applicator includes a substrate, a first conveying roller set, a pull roller set, a swing frame, a second conveying roller set, a pinch roller, and a hot knife, where the first conveying roller set, the pull roller set, the pinch roller, and the hot knife are all mounted on the substrate, the swing frame is hinged to the substrate, and the second conveying roller set is mounted on the swing frame, where during operation of the adhesive applicator, the double-sided adhesive tape is conveyed to the pinch roller via the first conveying roller set, the pull roller set, and the second conveying roller set, and the pinch roller compresses the double-sided adhesive tape against the surface of the base material, and the hot knife acts to cut the double-sided adhesive tape.

It should be understood that the driving part 622 and the guiding part 620 are not limited in structure, the driving part 622 may be configured as an electric push rod, a hand wheel and screw assembly, a linear motor, etc., and the guiding part 620 may be configured as a slide rail, a guide bar, etc.

In the embodiment disclosed in this example, as shown in fig. 1, the structure and arrangement of the roller assembly 63 will be further explained below.

In one implementation, the roller assembly 63 includes a first roller set, a second roller set, and a third roller set, where the first roller set, the second roller set, and the third roller set are sequentially disposed on the frame 2 along the conveying direction L of the fabric, and the first roller set and the third roller set are flush with each other in a vertical direction, the second roller set is located below the first roller set and the third roller set, and a distance between the first roller set and the second roller set in the vertical direction is adjustable, and a distance between the second roller set and the third roller set in the vertical direction is adjustable.

Specifically, the first roller set comprises a plurality of first conveying rollers which are sequentially arranged at intervals along the conveying direction L of the base material, the second roller set comprises a plurality of second conveying rollers which are sequentially arranged at intervals along the conveying direction L of the base material, and the third roller set comprises a plurality of third conveying rollers which are sequentially arranged at intervals along the conveying direction L of the base material, wherein the plurality of first conveying rollers, the plurality of second conveying rollers and the plurality of third conveying rollers are all arranged on the frame 2 and are rotationally connected with the frame 2.

More specifically, as the web is fed to the roller assembly 63, the web is sequentially fed through multiple roller sets, which may further spread the web.

More specifically, the first roller set can be set to be variable in speed when inputting the base materials, and the third roller set can be set to be uniform in speed when outputting the base materials, so that the buffer effect of the base materials in the conveying process is realized.

The foregoing describes embodiments of the present utility model in terms of specific examples, and other advantages and effects of the present utility model will be readily apparent to those skilled in the art from the disclosure herein. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The above description will contain numerous specific details in order to provide a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

Claims (10)

1. A web roll pretreatment device of a bag forming machine, comprising:

the machine frame is sequentially provided with a base material supply station and a pretreatment station along the conveying direction of the base material;

The base material feeding mechanism is arranged on the frame at the base material feeding station and comprises a supporting component and a position adjusting component,

The support assembly is disposed at an upstream end of the frame in a conveying direction of the web and supports the web roll, and includes a support member supporting the web roll, an intermediate connection member connecting the support member to the position adjustment assembly, and a first driving member, and

The position adjusting component is arranged on the downstream side of the supporting component in the conveying direction of the base material, comprises a base movably arranged on the base of the frame, an adjusting mechanism arranged on the base and a second driving component arranged on the frame, wherein the supporting component is connected to the adjusting mechanism through the middle connecting component and extends outwards from the front end of the frame,

The first driving part is arranged at one end of the middle connecting part and is in transmission connection with the supporting part for driving the supporting part to rotate, the supporting part is rotatably arranged at one end of the middle connecting part, the other end of the middle connecting part is connected to the adjusting mechanism, the adjusting mechanism can drive the middle connecting part to rotate relative to the base and further drive the supporting part to move, the second driving part drives the base to translate relative to the frame along the width direction of the frame and further drive the adjusting mechanism and the supporting assembly to translate along the width direction of the frame, and

The pretreatment station is provided with a base material pretreatment mechanism, the base material pretreatment mechanism can pretreat the edge of the base material, and the pretreatment comprises at least one of flanging, heat sealing and viscose.

2. A web pretreatment device of a bag molding machine as claimed in claim 1, wherein,

The middle connecting part extends obliquely upwards from the rear end of the frame, and the supporting component further comprises a limiting part, wherein the limiting part is arranged at the other end of the middle connecting part, and the limiting part and the supporting part are positioned at the same side of the middle connecting part and used for limiting the base material roll;

The position adjusting assembly further comprises a lifting component capable of moving along the vertical direction, one end of the lifting component is installed on the base, the other end of the lifting component is connected with the middle connecting component, and the lifting component is used for supporting the supporting assembly and adjusting the position of the supporting assembly in the vertical direction.

3. The web roll pretreatment device of a bag molding machine as claimed in claim 2, wherein said adjustment mechanism comprises a drive roller, a drive member and a support member, wherein,

The supporting member is arranged on the base in an extending manner along the vertical direction, the driving roller is rotationally connected with the end part of the supporting member far away from the base, the other end of the intermediate connecting part is in transmission connection with the end part of the driving roller, the driving member is arranged on the supporting member, the driving end of the driving member is in transmission connection with the driving roller,

The driving component drives the driving roller to rotate relative to the supporting component, drives the middle connecting component to swing and further links the supporting component to move.

4. The web roll pretreatment device of a bag molding machine according to claim 3, wherein the supporting member comprises a first supporting seat and a second supporting seat which are arranged at intervals along the width direction of the frame, the intermediate connecting part comprises a first swing arm and a second swing arm, and the limiting part is arranged as a limiting roller,

One end of the driving roller is rotationally connected with the first supporting seat, the other end of the driving roller is rotationally connected with the second supporting seat, one end of the supporting component is rotationally connected with one end of the first swing arm, the other end of the supporting component is rotationally connected with one end of the second swing arm, the other end of the first swing arm is in transmission connection with one end of the driving roller, and the other end of the second swing arm is in transmission connection with the other end of the driving roller;

one end of the limiting roller is rotationally connected with the first swing arm, and the other end of the limiting roller extends along the width direction of the frame and is rotationally connected with the second swing arm.

5. The web roll pretreatment device of a pouch machine according to claim 4, wherein one ends of the first swing arm and the second swing arm are each provided with a bent portion adapted to an end of the supporting member, and an opening of the bent portion is flush with a central axis height of the web roll when the first swing arm and the second swing arm swing to a lowermost position in a vertical direction.

6. The web roll pretreatment device of a bag molding machine of claim 4, wherein said elevation means comprises a first drive cylinder and a second drive cylinder, wherein,

The driving cylinder body of the first driving cylinder is fixedly connected to the middle position of the first swing arm along the conveying direction of the base material, and the driving end of the first driving cylinder is connected to the base;

And a driving cylinder body of the second driving cylinder is fixedly connected to the middle position of the second swing arm along the conveying direction of the base material, and the driving end of the second driving cylinder is connected to the base.

7. The web roll pretreatment device of a bag molding machine of claim 4, further comprising a plurality of feed rolls disposed downstream of said web roll, wherein,

The feeding rollers are arranged between the first supporting seat and the second supporting seat at intervals along the conveying direction of the base material, one ends of the feeding rollers are rotationally connected with the first supporting seat, and the other ends of the feeding rollers extend along the width direction of the frame and are rotationally connected with the second supporting seat.

8. The web roll pretreatment device of a bag molding machine of claim 4, wherein said support member comprises an inflatable shaft and a pair of locking members, said first drive member comprises a mounting bracket and a drive motor, wherein,

One end of the air expansion shaft is rotationally connected with one end of the first swing arm, and the other end of the air expansion shaft is rotationally connected with one end of the second swing arm;

The mounting bracket is fixedly arranged at one end of the first swing arm or the second swing arm, the driving motor is fixedly arranged on the mounting bracket, and the driving end of the driving motor is in transmission connection with one end or the other end of the air inflation shaft and is used for driving the air inflation shaft to rotate relative to the first swing arm and the second swing arm.

9. The web roll preprocessing apparatus of a bag forming machine according to claim 1, wherein said supporting assembly further comprises a position detecting means located at a downstream side of said adjusting mechanism in a conveying direction of said web, said position detecting means comprising a deviation correcting electric eye, a guide member and a power member, wherein said guide member is provided on said frame in parallel with said supporting means, said power member is fixedly mounted on said frame, said deviation correcting electric eye is slidingly provided on said guide member, a driving end of said power member is in driving connection with said deviation correcting electric eye,

The power component can drive the deviation correcting electric eye to slide on the guide component, and the position of the deviation correcting electric eye in the width direction of the frame is changed to be aligned with an initial positioning point of the base material roll.

10. The web roll pretreatment device of a bag molding machine according to claim 1, wherein the web pretreatment mechanism comprises a flat folding component, a heat sealing component, a rubberizing component and a roller component which are sequentially arranged on a frame along the conveying direction of the web,

The flat folding assembly is used for folding edges of two sides of the base material in conveying, the heat sealing assembly is used for carrying out heat sealing treatment on the folded edges of two sides of the base material in conveying, the rubberizing assembly is used for carrying out mucilage glue on at least one folded edge of the base material by a preset length, and the roller assembly is used for conveying the base material subjected to rubberizing treatment and adjusting the conveying speed of the base material subjected to rubberizing treatment.