CN116198805A - A sealing and sewing automatic packaging machine - Google Patents

Abstract

The invention belongs to the technical field of automatic packaging machines, and particularly relates to an automatic packaging machine for sealing and sewing, which comprises a frame and a clamping chain arranged on the frame and used for clamping and conveying materials, wherein the upper end of the frame is sequentially provided with: a hemming member; a suturing member; a pocket trim component; a paper tape forming part; a traction member; a paper bag cutting part; a tape heat-sealing member; a tape pressing member; wherein, the material passes through, hem part, stitching part, sack pruning part, paper tape shaping part, traction part, paper bag cutting part, heat seal part and band pressfitting part in proper order through the centre gripping chain centre gripping. The beneficial effects of the invention are as follows: the folding stitching and paper bag stitching tape two-in-one are applicable to occasions with multiple material types and multiple packaging modes, different production conditions are met through one piece of equipment, and the multifunctional paper bag stitching tape has a good multipurpose use effect.

Description

A sealing and sewing automatic packaging machine

technical field

The invention relates to the technical field of automatic packaging machines, in particular to a sealing and sewing automatic packaging machine.

Background technique

The sewing device of the existing automatic packaging machine for bags is a separate structure from the packaging machine, which leads to low working efficiency of the packaging machine, and requires two people to operate the two machines respectively, resulting in high labor costs.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of the present invention is to provide an automatic packaging machine for sealing and sewing to solve the above problems.

The technical scheme of the present invention is achieved in the following way: a sealing and sewing automatic packaging machine, including a frame and a clamping chain for clamping and conveying materials arranged on the frame, and the upper end of the frame is sequentially arranged along its length direction. :

hemming parts;

sewing parts;

Pocket trimming parts;

Tape forming parts;

traction parts;

Paper bag cutting parts;

Tape heat sealing parts;

Tape pressing parts;

Among them, the material is clamped by the clamping chain and passes sequentially, the hemming part, the sewing part, the pocket trimming part, the paper tape forming part, the traction part, the paper bag cutting part, the heat sealing part and the tape pressing part.

Further, the hemming parts include:

The guide part is provided with two groups, and the two groups of guide parts are arranged equidistantly along the length direction of the frame, and each group of guide parts includes two guide plates arranged at intervals, and the ends of the two guide plates away from the sewing parts are bent outward There is a bending part formed, and the bending parts of the two guide plates cooperate to form a "V"-shaped feeding port;

A plurality of connection seats are fixedly connected to the outer lower edge of the guide plate along the length direction of the guide plate. There are at least two connection seats, and there is a distance between two adjacent connection seats. The connection seats are connected to the upper end surface of the frame by bolts;

The first rotating shaft is located in front of the rear group of guide parts. The first rotating shaft is successively provided with supporting shaft seats A, supporting shaft seats B and supporting shaft seats C connected with bolts at the upper end of the frame along its length direction. The supporting shaft seats A, The supporting shaft seat B and the supporting shaft seat C divide the first rotating shaft into a first hemming area and a second hemming area sequentially from right to left;

Two flanging plates, the cross section of the flanging plates is in the shape of "匚", the two flanging plates are respectively located in the first flanging area and the second flanging area, and the lower end of the flanging plates is fixedly installed on the outside of the first rotating shaft;

Two swing arms are respectively located in the first hemming area and the second hemming area, the swinging wall is fixedly installed on the side of the first rotating shaft away from the hemming plate, and the end of the swinging wall away from the first rotating shaft is provided with a first air cylinder; Wherein, the piston rod of the first air cylinder is hinged with the swing arm, and the first supporting frame is arranged above the hemming part, and the lower end of the first supporting frame is fixedly installed on the upper end surface of the frame, and the fixed end of the first air cylinder is fixedly installed on the first supporting frame. On the frame, when the piston rod of the first cylinder is pushed out, the first rotating shaft drives the flange to flip counterclockwise, and when the piston rod of the first cylinder retracts, the first shaft drives the flange to flip clockwise.

Further, the sewing parts include:

a first fixing plate, the first fixing plate is arranged vertically;

The slide rail is connected to the two edges of the first fixing plate on the side facing the hemming part along the height direction of the first fixing plate through bolts;

The slide plate is located on the right side of the first fixed plate, and is slidably connected to the slide rail through the slide block;

The sewing machine body is fixedly installed on the right side of the slide plate, and the lower edge of the sewing machine body facing the side of the hemming part is provided with an opening for the bag to pass through for bag sewing;

Wherein, the left side of the first fixed plate is provided with a second support frame fixed on the upper end surface of the frame along the length direction of the frame, the first fixed plate is fixed and installed on the right side of the second support frame by bolts, and the first fixed plate faces the sewing machine The middle part of one side of the body is installed with a screw rod along the height of the first fixing plate through the bearing seat, and a slider is connected to the screw rod through screw thread sliding, and the end of the slider facing the sewing machine body is fixed on the slider plate by bolts. The middle part of the left side is rotatably connected with a hand wheel, and the middle part of the hand wheel is fixedly equipped with a second rotating shaft. One end of the second rotating shaft penetrates the first fixing plate and extends below the screw rod.

Further, the pocket trimming parts include:

the first fixed seat;

The second fixing seat, the first fixing seat and the second fixing seat are respectively fixedly installed on both sides of the upper end of the frame;

The third rotating shaft is rotatably connected to the upper end of the first fixed seat, and the trimming wheel is fixedly installed on the third rotating shaft;

The fourth rotating shaft is rotatably connected to the upper end of the second fixed seat, and the upper end of the fourth rotating shaft is fixedly installed with a trimming seat matched with the trimming wheel;

Wherein, the lower ends of the second rotating shaft and the third rotating shaft pass through the upper end surface of the frame and extend downwards, and the lower ends of the second rotating shaft and the third rotating shaft are respectively fixedly installed with a first sprocket and a second sprocket meshing with both sides of the transmission chain.

Further, the tape forming components include:

The paper tape input device includes a support plate fixedly installed on the inner side of the second support frame and a guide sleeve on the support plate for conveying the paper tape;

The paper tape support frame is located at the upper left of the paper tape input device, and the lower end of the paper tape support frame is fixedly installed on the upper side of the second support frame;

The support seat is fixedly installed on one side of the upper end of the frame, and the upper end of the support seat is fixedly installed with a slide bar;

The folder is located below the paper tape input device. One end of the folder is slidably connected to the slide bar. The folder includes a former seat and an inner film and an outer film of the former which are fixedly connected to both ends of the former seat;

Among them, the paper tape support frame is used to load the paper tray, the outer piece of the former is adjacent to the trimming part of the bag mouth, the inner piece of the former and the outer piece of the former are bent into an inverted "U" shape structure, and the right side of the outer piece of the former The side end is bent and formed with a V-shaped mouth.

Further, the tape traction components include:

the third fixed seat;

The first fixed shaft, the first fixed shaft is vertically arranged, the third fixed seat and the first fixed shaft are respectively located on both sides of the upper end of the frame, the first fixed shaft is fixedly connected with the frame, and the first fixed shaft is provided with a fourth fixed shaft. seat, the third fixed seat and the fourth fixed seat are both in an inverted "L" shape, the third fixed seat is fixedly connected to the upper end surface of the frame, and the third fixed seat includes an integrally formed first vertical part and a first transverse part , the fourth fixing seat includes an integrally formed second vertical portion and a second transverse portion, the first fixing shaft vertically passes through the second vertical portion and is rotatably connected with the second vertical portion;

The first cylinder seat is fixedly installed on the upper end surface of the frame and is located in front of the first fixed shaft;

The second cylinder is fixedly installed on one side of the upper edge of the first cylinder seat;

The fifth rotating shaft is rotatably connected to the upper end surface of the second transverse part, the first gear is fixedly installed on the upper end of the fifth rotating shaft, and the lower end of the fifth rotating shaft runs through the lower end surface of the second transverse part and is fixedly installed with a paper-feeding rubber wheel;

The sixth rotating shaft is rotatably connected to the upper end surface of the first transverse part. The upper end of the sixth rotating shaft is fixedly installed with the second gear meshing with the first gear. The lower end of the fifth rotating shaft penetrates the lower end face of the first transverse part and is fixedly installed with a paper feeding drum ;

The fifth fixed seat is located behind the third fixed seat and is fixedly installed on the upper end surface of the frame. The upper end of the fifth fixed seat is rotatably connected to the seventh rotating shaft, and the upper end of the seventh rotating shaft is fixedly installed with the sixth sprocket. The lower end of the seventh rotating shaft runs through The upper end surface of the frame is fixedly installed with the seventh sprocket meshing with the outer side of the clamping chain;

Wherein, an eighth sprocket fixedly connected with the sixth rotating shaft is arranged between the second gear and the upper end surface of the first transverse portion, and the eighth sprocket and the sixth sprocket are connected through a chain transmission, and the second vertical portion The middle part of the outer side is fixed with a first connecting piece, the first connecting piece is in the shape of a "V", and the end of the first connecting piece away from the second vertical part is provided with a first groove, through which the end of the piston rod of the second cylinder passes. The first groove is fixedly installed with a nut, the outer diameter of the nut is larger than the width of the first slot, the piston rod between the first connecting piece and the second cylinder is also sleeved with a first spring, and the paper feed rubber wheel and the travel A traction area for pulling the paper tape is formed between the paper steel wheels. There is a guide bucket on the left side of the traction area. The section of the guide bucket is in an inverted "U" shape, and the outer side of the guide bucket is slidingly connected with continuous bending support. plate, and the end of the support plate away from the guide bucket is fixedly installed on the upper end surface of the frame.

Further, the paper bag cutting parts include:

The cross bar is fixed and installed on the side of the upper end of the second support frame by bolts;

The static cutting knife is vertically fixed and installed in the middle of the left side of the cross bar;

The moving cutter is rotatably connected to the static cutter;

The second cylinder seat is fixedly installed on the upper end surface of the cross bar;

The third cylinder is fixedly installed on the cylinder seat;

Wherein, the piston rod of the third cylinder runs through the second cylinder seat and is hinged with the upper end of the moving cutter.

Further, the heat-sealing parts of the tape include:

The heating block is located on both sides above the upper end surface of the rack;

The rotating seat is in the shape of "V", the middle part of the rotating seat is rotatably connected to the upper end surface of the frame, and the end of the rotating seat away from the middle is hinged to the outside of the heating block;

The pressing rod is fixedly installed on the lower edge of the front and rear sides outside the second support frame, and the limiting block is fixedly installed on the pressing rod;

Wherein, the end of the rotating seat far away from the heating block is provided with a second groove for the compression rod to pass through, and the part of the pressing rod between the end of the rotating seat far away from the heating block and the limit block is sleeved with a second spring.

Further, the strap pressing parts include:

The sixth fixed seat;

The seventh fixed seat, the sixth fixed seat and the seventh fixed seat are respectively located on both sides of the upper end of the frame, the sixth fixed seat and the seventh fixed seat have the same structure as the third fixed seat and the fourth fixed seat respectively, and the sixth fixed seat includes The third vertical part and the third transverse part are integrally formed, the seventh fixing seat includes the fourth vertical part and the fourth transverse part integrally formed, and the seventh fixing seat is fixedly connected to the upper end surface of the frame;

The second fixed shaft has the same structure as the first fixed shaft, and the second fixed shaft vertically passes through the fourth vertical part and is rotationally connected with the fourth vertical part;

The eighth rotating shaft is rotatably connected to the upper end surface of the fourth transverse part, the third gear is fixedly installed on the upper end of the eighth rotating shaft, and the lower end of the eighth rotating shaft runs through the lower end surface of the fourth transverse part and is fixedly installed with the first rolling wheel;

The ninth rotating shaft is rotatably connected to the upper end surface of the third transverse part. The fourth gear meshing with the third gear is fixedly installed on the upper end of the ninth rotating shaft. The lower end of the eighth rotating shaft penetrates the lower end surface of the first transverse part and is fixedly installed with the second rolling gear wheel

The eighth fixed seat is located behind the sixth fixed seat and is fixedly installed on the upper end surface of the frame. The upper end of the eighth fixed seat is rotatably connected to the tenth rotating shaft, and the upper end of the tenth rotating shaft is fixedly installed with the ninth sprocket. The lower end of the tenth rotating shaft runs through The upper end surface of the frame is fixedly equipped with an eleventh sprocket meshing with the outer side of the clamping chain;

Among them, an eleventh sprocket fixedly connected to the eighth shaft is provided between the third gear and the upper end surface of the fourth transverse part, the eleventh sprocket is connected to the tenth sprocket through a chain transmission, and the seventh is fixedly connected to the eighth shaft. A second connector with the same structure as the first connector is fixedly installed on the seat. A ninth fixed seat is fixedly installed on the upper end surface of the frame in front of the seventh fixed seat. The ninth fixed seat is in the shape of a "U". The fixed seat is fixedly installed with a fixed rod that runs through the left and right sides of the ninth fixed seat. The end of the second connector away from the seventh fixed seat is provided with a third groove for the insertion of the fixed rod. A third spring is sleeved on the fixed rod between the right arm in the nine fixed seats.

Further, the frame is provided with transmission components for driving the clamping chain, and the transmission components include:

The second fixing plate is fixedly installed on the side of the upper end of the second support frame away from the suture part;

The geared motor is fixedly installed on the second fixed plate, and the end of the output shaft of the geared motor passes through the second fixed plate and the upper end surface of the frame in turn and extends downwards to be fixedly connected with the sprocket A;

The rotating shaft A is rotatably connected between the second fixed plate and the frame. The rotating shaft A is connected to the output shaft of the geared motor through gear transmission.

Wherein, sprocket A is provided with spacing between sprocket B, and the side of frame lower end far away from sprocket A and sprocket B is connected with sprocket C and sprocket D, and sprocket C and sprocket D are provided with There is a gap, there are two clamping chains, one of which is engaged with sprocket A and sprocket C, and the other is engaged with sprocket B and sprocket D.

The beneficial effects of the present invention are:

1. It can automatically realize stitching, thread trimming, pocket trimming, hot-melt adhesive tape wrapping, paper-cutting tape, heating, and paper tape for single-layer kraft paper bags, paper-plastic composite bags or paper-plastic composite bags. Pressing and counting functions;

2. For woven bags with PE plastic inner bags, PE or PP plastic bags, and aluminum-plastic composite bags or woven composite bags, it can automatically realize the operation functions such as bag opening folding, sewing, thread trimming and counting at one time;

3. Folding seaming, paper bag seaming and tape are two-in-one, suitable for occasions with many types of materials and various packaging methods. One machine can meet different production conditions and realize one machine with multiple functions.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic diagram of the complete machine structure of a specific embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a hemming part according to a specific embodiment of the present invention;

Fig. 3 is a structural schematic diagram of a suturing component according to a specific embodiment of the present invention.

Fig. 4 is a structural schematic diagram II of a suturing component according to a specific embodiment of the present invention;

Fig. 5 is a schematic structural view of the pouch trimming part according to a specific embodiment of the present invention;

Fig. 6 is a structural schematic diagram of a paper tape forming part according to a specific embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a traction component according to a specific embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a paper tape cutting part according to a specific embodiment of the present invention;

Fig. 9 is a schematic structural view of the taping heat-sealing component according to the specific embodiment of the present invention;

Fig. 10 is a schematic structural view of the taping pressing parts according to the specific embodiment of the present invention;

Fig. 11 is a schematic structural diagram of transmission components in a specific embodiment of the present invention;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. In the description of the present application, it should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual scale relationship. Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the Authorized Specification. In all examples shown and discussed herein, any specific values should be construed as illustrative only, and not as limiting. Therefore, other examples of the exemplary embodiment may have different values. It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.

It should be noted that the terms "first" and "second" in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related object is an "or" relationship.

It should be noted that, in the description of this application, the term orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate The orientation or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate and imply the referred device or Components must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to inside and outside relative to the outline of each component itself.

It should be noted that in this application, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements , but also includes other elements not expressly listed, or also includes elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

As shown in Figures 1 to 10, the present invention discloses a sealing and sewing automatic packaging machine, comprising a frame 1 and a clamping chain arranged on the frame for clamping and conveying materials, the upper end of the frame 1 extending its length In order of direction there are:

hemming parts;

sewing parts;

Pocket trimming parts;

Tape forming parts;

traction parts;

Paper bag cutting parts;

Tape heat sealing parts;

Tape pressing parts;

Among them, the material is clamped by the clamping chain and passes sequentially, the hemming part, the sewing part, the pocket trimming part, the paper tape forming part, the traction part, the paper bag cutting part, the heat sealing part and the tape pressing part.

By adopting the above-mentioned technical scheme, hem stitching, paper bag seaming and tape are two-in-one, which is suitable for occasions with many kinds of materials and various packaging methods. One piece of equipment can meet different production conditions and achieve a good effect of multi-purpose use of one machine.

Further, the hemming parts include:

Guide part, the guide part is provided with two groups, and two groups of guide parts are arranged at equidistant intervals along the length direction of the frame 1, and each group of guide parts includes two guide plates 2 arranged at intervals, and the ends of the two guide plates 2 away from the sewing parts are There is a bending part in the outer bending forming, and the bending parts of the two guide plates 2 cooperate to form a "V"-shaped feeding port;

A plurality of connection seats 3 are fixedly connected to the outer lower edge of the guide plate 2 along the length direction of the guide plate 2. At least two connection seats 3 are provided, and a distance is provided between two adjacent connection seats 3. The connection seats 3 are connected by bolts to the On the upper end face of rack 1;

The first rotating shaft 4 is located in front of the rear group of guide parts. The first rotating shaft 4 is successively provided with the support shaft seat A5, the support shaft seat B6 and the support shaft seat C7 connected with the upper end bolts of the frame at intervals along its length direction, and the support shaft seat A5, the support shaft seat B6 and the support shaft seat C7 divide the first rotating shaft 4 from right to left into a first hemming area and a second hemming area;

Two flanging plates 8, the cross section of the flanging plate 8 is in the shape of “匚”, the two flanging plates 8 are respectively located in the first flanging area and the second flanging area, and the lower end of the flanging plate 8 is fixedly installed on the first rotating shaft 4 outside;

Two swing arms 9 are respectively located in the first hemming area and the second hemming area, the swinging wall 9 is fixedly installed on the side of the first rotating shaft 4 away from the hemming plate 8, and the end of the swinging wall 9 away from the first rotating shaft 4 A first cylinder 10 is provided;

Wherein, the piston rod of the first cylinder 10 is hinged with the swing arm 9, the top of the hemming part is provided with a first support frame, and the lower end of the first support frame is fixedly installed on the fixed end of the first cylinder 10 on the upper end surface of the frame 1. On the first support frame, when the piston rod of the first cylinder 10 is pushed out, the first rotating shaft 4 drives the flange 8 to turn counterclockwise, and when the piston rod of the first cylinder 10 retracts, the first rotating shaft 4 drives the flange 8 to flip clockwise.

By adopting the above technical scheme, the clamping chain pulled by the clamping chain can be hemmed and then transported to the sewing part for sewing. If the hemming is not required before sewing, the first cylinder can be turned over without starting the hemming plate. The effect is good.

Further, the sewing parts include:

The first fixed plate 11, the first fixed plate 11 is vertically arranged;

The slide rail 12 is connected to the two edges of the first fixing plate 11 facing the side of the hemming part along the height direction of the first fixing plate 11 by bolts;

The slide plate is located on the right side of the first fixed plate 11, and is slidably connected to the slide rail 12 through a slider;

The sewing machine body 13 is fixedly installed on the right side of the slide plate, and the sewing machine body 13 is provided with an opening for the packaging bag to pass through to carry out bag sewing at the lower edge of one side of the hemming part;

Wherein, the left side of the first fixed plate 11 is provided with a second support frame fixed on the upper end surface of the frame 1 along the length direction of the frame 1, the first fixed plate 11 is fixedly installed on the right side of the second support frame by bolts, the first Fixed plate 11 is installed with screw mandrel 14 along the height side of first fixed plate 11 by bearing block towards one side middle part of sewing machine body 13, on the screw mandrel 14 is connected with slide block 15 by screw thread sliding, slide block 15 is towards the sewing machine body 13 One end is fixed on the slide plate by bolts, the middle part on the left side of the first fixed plate 11 is rotatably connected with a handwheel 16, and the middle part of the handwheel 16 is fixedly installed with a second rotating shaft, and one end of the second rotating shaft passes through the first fixing plate 11 to the bottom of the screw rod 14 Extending, the lower end of the screw mandrel 14 passes through the bearing seat and is connected with the second rotating shaft through gear transmission.

By adopting the above technical scheme, since the non-folded and folded packaging bags have different heights through the sewing machine body, the horizontal height of the sewing machine body can be adjusted conveniently and quickly through the setting of the first fixing plate, slide rail, screw rod and handwheel , in order to carry out precise sewing, and the effect is good.

Further, the pocket trimming parts include:

The first fixed seat 17;

The second fixed seat 18, the first fixed seat 17 and the second fixed seat 18 are respectively fixedly installed on both sides of the upper end of the frame 1;

The third rotating shaft 19 is rotatably connected to the upper end of the first fixed seat 17, and the trimming wheel is fixedly installed on the third rotating shaft 19;

The fourth rotating shaft 20 is rotatably connected to the upper end of the second fixed seat 18, and the upper end of the fourth rotating shaft 20 is fixedly equipped with a trimming seat matched with the trimming wheel;

Wherein, the lower ends of the second rotating shaft 19 and the third rotating shaft 20 pass through the upper end surface of the frame 1 and extend downwards, and the lower ends of the second rotating shaft 19 and the third rotating shaft 20 are respectively fixedly installed with the first sprocket and the second sprocket meshing with both sides of the transmission chain. Second sprocket.

By adopting the above technical scheme, the edge trimming wheel and the edge trimming seat cooperate with each other to trim and smooth the edge of the bag opening, and the use effect is good

Further, the tape forming components include:

The paper tape input device 21 includes a support plate fixedly installed on the inside of the second support frame and a guide sleeve for conveying the paper tape on the support plate;

The paper tape material holder 22 is located at the top left of the paper tape input device 21, and the lower end of the paper tape material holder 22 is fixedly installed on the upper side of the second support frame;

The support base 23 is fixedly installed on one side of the upper end of the frame 1, and the upper end of the support base 23 is fixedly equipped with a slide bar;

Folder 24, located below the paper tape input device 21, one end of the folder 24 is slidably connected to the slide bar, and the folder 24 includes a former seat 25 and an inner sheet 26 of the former fixedly connected to the two ends of the former seat 25 and a forming plate respectively. Outer sheet 27;

Wherein, the paper tape material holder 22 is used for loading paper trays, the outer sheet 27 of the former is adjacent to the pocket trimming part, the inner sheet 26 of the former and the outer sheet 27 of the former are bent into an inverted "U" shape structure, and the former The right end of the outer sheet 27 is bent and formed with a V-shaped mouth.

By adopting the above technical solution, the paper bag on the paper tray bypasses the guide sleeve of the input device and is inserted into the former seat of the folder, and the upper edge of the packaging bag passes through the outer sheet of the former, and then leads out from the inner sheet to the paper tape together with the paper tape. The traction part is conveyed, and the paper tape is a hot-melt tape.

Further, the tape traction components include:

The third fixed seat 30;

The first fixed shaft 31, the first fixed shaft 31 is vertically arranged, the third fixed seat 30 and the first fixed shaft 31 are respectively located on both sides of the upper end of the frame 1, the first fixed shaft 31 is fixedly connected with the frame 1, and the first fixed shaft 31 is fixedly connected to the frame 1. The shaft 31 is provided with a fourth fixed seat 310, the third fixed seat 30 and the fourth fixed seat 310 are in an inverted "L" shape, the third fixed seat 30 is fixedly connected to the upper end surface of the frame 1, the third fixed seat 30 Including an integrally formed first vertical portion and a first transverse portion, the fourth fixing base 310 includes an integrally formed second vertical portion and a second transverse portion, the first fixed shaft 31 vertically passes through the second vertical portion and is connected with the second vertical part is rotatably connected;

The first cylinder seat 32 is fixedly installed on the upper end surface of the frame 1 and is located in front of the first fixed shaft 31;

The second cylinder is fixedly mounted on one side of the upper edge of the first cylinder block 32;

The fifth rotating shaft 33 is rotatably connected to the upper end surface of the second transverse part, the upper end of the fifth rotating shaft 33 is fixedly equipped with the first gear 34, and the lower end of the fifth rotating shaft 33 runs through the lower end surface of the second transverse part and is fixedly installed with a paper-feeding rubber wheel 35;

The sixth rotating shaft 36 is rotatably connected to the upper end surface of the first transverse part, the upper end of the sixth rotating shaft 36 is fixedly installed with the second gear 37 meshing with the first gear, and the lower end of the fifth rotating shaft 33 runs through the lower end surface of the first transverse part and is fixedly installed with Paper feeding drum 38;

The fifth fixed seat is located behind the third fixed seat 30 and is fixedly installed on the upper end surface of the frame 1. The upper end of the fifth fixed seat is rotatably connected with the seventh rotating shaft, and the upper end of the seventh rotating shaft is fixedly installed with the sixth sprocket. The seventh rotating shaft The lower end runs through the upper end surface of the frame 1 and is fixedly installed with a seventh sprocket meshing with the outer side of the clamping chain;

Wherein, an eighth sprocket fixedly connected with the sixth rotating shaft 36 is also provided between the second gear 37 and the upper end surface of the first transverse portion, the eighth sprocket and the sixth sprocket are connected by a chain transmission, and the second vertical The first connecting piece is fixedly installed in the middle of the outer side of the part. The first connecting piece is in the shape of a "V". The end of the first connecting piece away from the second vertical part is provided with a first groove. The end of the piston rod of the second cylinder A nut passes through the first groove and is fixedly installed. The outer diameter of the nut is larger than the width of the first slot. 35 and the paper drum 38 form a traction area for pulling the paper tape. A guide bucket is provided on the left side of the traction area. The cross section of the guide bucket is in the shape of an inverted "U". The support plate that is folded and arranged, the end of the support plate away from the guide bucket is fixedly installed on the upper end surface of the frame 1.

By adopting the above technical solution, the paper tape covered by the upper end of the packaging bag can be assisted in conveying, preventing the paper tape from shifting, and the use effect is good.

Further, the paper bag cutting parts include:

The cross bar 40 is fixedly installed on one side of the upper end of the second support frame by bolts;

The static cutting knife 41 is vertically fixedly installed in the middle part of the left side of the cross bar 40;

The moving cutter 42 is rotatably connected to the static cutter 41;

The second cylinder block 43 is fixedly installed on the upper end surface of the cross bar 40;

The third cylinder 44 is fixedly installed on the cylinder seat 43;

Wherein, the piston rod of the third cylinder 44 passes through the second cylinder base 44 and is hinged with the upper end of the movable cutter 42 .

By adopting the above-mentioned technical scheme, the second air cylinder pushes the movable cutter to cooperate with the static cutter, so that the two packaging bags connected front and rear by the paper tape can be quickly separated, and the use effect is good.

Further, the heat-sealing parts of the tape include:

The heating block 45 is located on both sides above the upper end surface of the frame 1;

The rotating seat 46 is in the shape of a "V", the middle part of the rotating seat 46 is rotatably connected to the upper end surface of the frame 1, and the end of the rotating seat 45 away from the middle is hinged to the outside of the heating block 45;

The compression rod 47 is fixedly installed on the lower edges of the front and rear sides outside the second support frame, and the limiting block is fixedly installed on the compression rod 47;

Wherein, the end of the rotating seat 46 far away from the heating block 45 is provided with a second groove for the compression rod 47 to pass through, and the outer side of the rotating seat 46 away from the end of the heating block 45 is partially sleeved with the pressing rod 47 between the limit block There is a second spring.

By adopting the above technical scheme, the paper tape on the packaging bag passing through the heat-sealing component can be heated, so that the hot melt adhesive part of the paper tape melts and firmly adheres to the seamed part of the paper tape, and the use effect is good.

Further, the strap pressing parts include:

The sixth fixed seat 48;

The seventh fixed seat 49, the sixth fixed seat 48 and the seventh fixed seat 49 are located on both sides of the upper end of the frame 1 respectively, and the sixth fixed seat 48 and the seventh fixed seat 49 are connected with the third fixed seat 30 and the fourth fixed seat 310 respectively. The structure is the same, the sixth fixed seat 48 includes an integrally formed third vertical portion and a third transverse portion, the seventh fixed seat 49 includes an integrally formed fourth vertical portion and a fourth transverse portion, and the seventh fixed seat 49 is fixedly connected on the upper end face of the rack 1;

The second fixed shaft 50 has the same structure as the first fixed shaft 31, and the second fixed shaft 50 vertically penetrates through the fourth vertical part and is rotatably connected with the fourth vertical part;

The eighth rotating shaft is rotatably connected to the upper end surface of the fourth transverse part, the third gear is fixedly installed on the upper end of the eighth rotating shaft, the lower end of the eighth rotating shaft runs through the lower end surface of the fourth transverse part and the first rolling wheel 51 is fixedly installed;

The ninth rotating shaft is rotatably connected to the upper end surface of the third transverse part. The fourth gear meshing with the third gear is fixedly installed on the upper end of the ninth rotating shaft. The lower end of the eighth rotating shaft penetrates the lower end surface of the first transverse part and is fixedly installed with the second rolling gear wheel 52

The eighth fixed seat 53 is located behind the sixth fixed seat 48 and is fixedly mounted on the upper end surface of the frame 1. The upper end of the eighth fixed seat 53 is rotatably connected to the tenth rotating shaft, and the upper end of the tenth rotating shaft is fixedly installed with the ninth sprocket. The lower end of the ten-rotating shaft runs through the upper end surface of the frame 1 and is fixedly installed with an eleventh sprocket meshing with the outer side of the clamping chain;

Among them, an eleventh sprocket fixedly connected to the eighth shaft is provided between the third gear and the upper end surface of the fourth transverse part, the eleventh sprocket is connected to the tenth sprocket through a chain transmission, and the seventh is fixedly connected to the eighth shaft. The second connector with the same structure as the first connector is fixedly installed on the seat 49, and the ninth fixed seat fixedly installed on the upper end surface of the frame 1 is provided in front of the seventh fixed seat 49, and the ninth fixed seat is in the shape of "U". , the ninth fixed seat is fixedly installed with a fixed rod that runs through the left and right sides of the ninth fixed seat, and the end of the second connecting piece away from the seventh fixed seat 49 is provided with a third groove for inserting the fixed rod, and the second connecting piece A third spring is sheathed on the fixed rod between the right side and the right side arm in the ninth fixed seat.

By adopting the above technical scheme, the firmness of the bonding between the paper tape and the packaging bag is further improved through the pressing parts, and the use effect is good

Further, the frame 1 is provided with transmission components for driving the clamping chain, and the transmission components include:

The second fixing plate is fixedly installed on the side of the upper end of the second support frame away from the suture part;

The geared motor 53 is fixedly installed on the second fixed plate, and the end of the output shaft of the geared motor 53 passes through the second fixed plate and the upper end surface of the frame 1 in turn and extends downwards and is fixedly connected with the sprocket A55;

The rotating shaft A is rotatably connected between the second fixed plate and the frame 1. The rotating shaft A is connected to the output shaft of the reduction motor 53 through a gear transmission. The lower end of the rotating shaft A runs through the upper end surface of the frame 1 and extends downward to be fixedly connected with a sprocket B56.

Wherein, sprocket A55 is provided with spacing between sprocket B56, and the side of frame 1 lower end away from sprocket A55 and sprocket B56 is connected with sprocket C and sprocket D in rotation, between sprocket C and sprocket D There is a spacing, and there are two clamping chains, one of which is engaged with sprocket A55 and sprocket C, and the other is engaged with sprocket B56 and sprocket D.

By adopting the above technical solution, the packaging bag can be effectively clamped and conveyed, the surface of the packaging bag is not easily worn, and the conveying efficiency is high.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. The utility model provides an automatic packaging machine is sewed up in seal, includes frame (1) and sets up the centre gripping chain that is used for the centre gripping to carry the material in the frame, its characterized in that, frame (1) upper end is prolonged and is equipped with in proper order on its length direction:

a hemming member;

a suturing member;

a pocket trim component;

a paper tape forming part;

a traction member;

a paper bag cutting part;

a tape heat-sealing member;

a tape pressing member;

wherein, the material passes through, hem part, stitching part, sack pruning part, paper tape shaping part, traction part, paper bag cutting part, heat seal part and band pressfitting part in proper order through the centre gripping chain centre gripping.

2. The automatic sealing-seaming machine according to claim 1, wherein the hemming member comprises:

the guide parts are provided with two groups, the two groups of guide parts are equidistantly arranged along the length direction of the frame (1), each group of guide parts comprises two guide plates (2) which are arranged at intervals, one end, far away from the stitching component, of each guide plate (2) is outwards bent to form a bending part, and the bending parts of the two guide plates (2) are matched to form a V-shaped feeding port;

The connecting seats (3) are fixedly connected to the outer lower edge of the guide plate (2) along the length direction of the guide plate (2), at least two connecting seats (3) are arranged, a space is arranged between two adjacent connecting seats (3), and the connecting seats (3) are connected to the upper end face of the frame (1) through bolts;

the first rotating shaft (4) is positioned in front of the rear group of guide parts, a supporting shaft seat A (5), a supporting shaft seat B (6) and a supporting shaft seat C (7) which are connected with the upper end of the frame by bolts are sequentially arranged on the first rotating shaft (4) along the length direction of the first rotating shaft at intervals, and the supporting shaft seat A (5), the supporting shaft seat B (6) and the supporting shaft seat C (7) sequentially divide the first rotating shaft (4) into a first edge folding area and a second edge folding area from right to left;

the cross section of each folding plate (8) is -shaped, the two folding plates (8) are respectively positioned in the first folding region and the second folding region, and the lower ends of the folding plates (8) are fixedly arranged outside the first rotating shaft (4);

the two swinging arms (9) are respectively positioned in the first edge folding area and the second edge folding area, the swinging arms (9) are fixedly arranged on one side of the first rotating shaft (4) which is far away from the edge folding plate (8), and a first air cylinder (10) is arranged at one end of the swinging arms (9) which is far away from the first rotating shaft (4);

the piston rod of the first air cylinder (10) is hinged with the swing arm (9), the upper side of the flanging component is provided with a first supporting frame, the lower end of the first supporting frame is fixedly arranged on the upper end face of the frame (1), the fixed end of the first air cylinder (10) is fixedly arranged on the first supporting frame, when the piston rod of the first air cylinder (10) is pushed out, the first rotating shaft (4) drives the flanging plate (8) to turn anticlockwise, when the piston rod of the first air cylinder (10) is retracted, the first rotating shaft (4) drives the flanging plate (8) to turn clockwise.

3. The automatic sealing-sewing packaging machine according to claim 1, wherein: the suture part includes:

the first fixing plate (11), the first fixing plate (11) is arranged vertically;

the sliding rail (12) is connected to two edges of one side of the first fixed plate (11) facing the flanging component along the height direction of the first fixed plate (11) through bolts;

the sliding plate is positioned on the right side of the first fixed plate (11) and is connected to the sliding rail (12) in a sliding way through a sliding block;

the sewing machine body (13) is fixedly arranged on the right side of the sliding plate, and an opening for the packaging bag to pass through for sewing the bag opening is formed in the lower edge of one side of the sewing machine body (13) facing the flanging component;

wherein, first fixed plate (11) left side is equipped with the second support frame on being fixed in frame (1) up end along frame (1) length direction, first fixed plate (11) are through bolt fixed mounting in second support frame right side, first fixed plate (11) are installed along first fixed plate (11) altitude direction setting lead screw (14) through the bearing frame in the middle part of one side of sewing organism (13), there is slider (15) through screw sliding connection on lead screw (14), slider (15) are fixed in the slide through the bolt in the one end of sewing organism (13), first fixed plate (11) left side middle part rotation is connected with hand wheel (16), hand wheel (16) middle part fixed mounting has the second pivot, first fixed plate (11) are run through to lead screw (14) below to the one end of second pivot, the bearing frame is passed through to lead screw (14) lower extreme and is connected through gear transmission with the second pivot.

4. The automatic sealing-sewing machine according to claim 1, wherein the mouth trimming member comprises:

a first fixing base (17);

the first fixing seat (17) and the second fixing seat (18) are respectively and fixedly arranged on two sides of the upper end of the frame (1);

the third rotating shaft (19) is rotationally connected to the upper end of the first fixing seat (17), and a trimming wheel is fixedly arranged on the third rotating shaft (19);

the fourth rotating shaft (20) is rotationally connected to the upper end of the second fixing seat (18), and a trimming seat matched with the trimming wheel is fixedly arranged at the upper end of the fourth rotating shaft (20);

the lower ends of the second rotating shaft (19) and the third rotating shaft (20) penetrate through the upper end face of the frame (1) and extend downwards, and a first chain wheel and a second chain wheel meshed with two sides of the transmission chain are respectively and fixedly arranged at the lower ends of the second rotating shaft (19) and the third rotating shaft (20).

5. The automatic sealing-sewing machine according to claim 1, wherein the tape forming means comprises:

the paper tape input device (21) comprises a support plate fixedly arranged on the inner side of the second support frame and a guide sleeve used for conveying paper tapes on the support plate;

the paper tape material bearing frame (22) is positioned at the left upper part of the paper tape input device (21), and the lower end of the paper tape material bearing frame (22) is fixedly arranged at one side of the upper end of the second support frame;

The support seat (23) is fixedly arranged on one side of the upper end of the frame (1), and a slide bar is fixedly arranged at the upper end of the support seat (23);

the folder (24) is positioned below the paper tape input device (21), one end of the folder (24) is connected to the sliding rod in a sliding way, and the folder (24) comprises a former seat (25), and a former inner sheet (26) and a former outer sheet (27) which are respectively and fixedly connected to two ends of the former seat (25);

the paper tape material bearing frame (22) is used for loading a paper disc, the outer piece (27) of the shaper is adjacent to the pocket trimming part, the inner piece (26) of the shaper and the outer piece (27) of the shaper are bent to form an inverted U-shaped structure, and the right end part of the outer piece (27) of the shaper is bent to form a V-shaped opening.

6. The automatic sealing-sewing machine of claim 1, wherein the tape pulling means comprises:

a third fixing base (30);

the first fixing shaft (31), the first fixing shaft (31) is vertically arranged, the third fixing seat (30) and the first fixing shaft (31) are respectively located at two sides of the upper end of the frame (1), the first fixing shaft (31) is fixedly connected with the frame (1), the first fixing shaft (31) is provided with a fourth fixing seat (310), the third fixing seat (30) and the fourth fixing seat (310) are all in an inverted L shape, the third fixing seat (30) is fixedly connected to the upper end face of the frame (1), the third fixing seat (30) comprises a first vertical portion and a first transverse portion which are integrally formed, the fourth fixing seat (310) comprises a second vertical portion and a second transverse portion which are integrally formed, and the first fixing shaft (31) vertically penetrates through the second vertical portion and is rotationally connected with the second vertical portion;

The first cylinder seat (32) is fixedly arranged on the upper end surface of the frame (1) and positioned in front of the first fixed shaft (31);

the second cylinder is fixedly arranged on one side of the edge of the upper end of the first cylinder seat (32);

the fifth rotating shaft (33) is rotatably connected to the upper end face of the second transverse part, a first gear (34) is fixedly arranged at the upper end of the fifth rotating shaft (33), and the lower end of the fifth rotating shaft (33) penetrates through the lower end face of the second transverse part and is fixedly provided with a paper feeding rubber wheel (35);

a sixth rotating shaft (36) rotatably connected to the upper end surface of the first transverse portion, a second gear (37) meshed with the first gear is fixedly arranged at the upper end of the sixth rotating shaft (36), and a paper feeding steel wheel (38) penetrates through the lower end surface of the first transverse portion and is fixedly arranged at the lower end of the fifth rotating shaft (33);

the fifth fixing seat is positioned behind the third fixing seat (30) and fixedly arranged on the upper end face of the frame (1), the upper end of the fifth fixing seat is rotationally connected with a seventh rotating shaft, a sixth sprocket is fixedly arranged at the upper end of the seventh rotating shaft, and the lower end of the seventh rotating shaft penetrates through the upper end face of the frame (1) and is fixedly provided with a seventh sprocket meshed with one side outside the clamping chain;

the novel paper feeding device comprises a frame (1), a first transverse portion, a second transverse portion, a first connecting piece, a second transverse portion, a first groove, a nut, a first spring, a paper feeding rubber wheel (35) and a paper feeding steel wheel (38), wherein an eighth sprocket fixedly connected with the sixth rotating shaft (36) is further arranged between the second gear (37) and the upper end face of the first transverse portion, the eighth sprocket is connected with the sixth sprocket through chain transmission, the middle of the outer side of the second vertical portion is fixedly provided with the first connecting piece, the first connecting piece is in a V shape, one end of the first connecting piece, far away from the second vertical portion, is provided with the first groove, the end portion of a piston rod of the second cylinder penetrates through the first groove and is fixedly provided with the nut, the outer diameter of the nut is larger than the width of the first slot, a first spring is further sleeved on the piston rod portion between the first connecting piece and the second cylinder, a traction area for traction paper feeding rubber wheel (35) and the paper feeding steel wheel (38) is formed, a guide bucket is arranged on the left side of the traction area, the section of the guide bucket is in an inverted U shape, one side of the guide bucket is slidingly connected with a supporting plate which is continuously bent and arranged, and one end of the supporting plate, far away from the guide bucket is fixedly arranged on the upper end face of the frame (1).

7. The automatic sealing-sewing packaging machine according to claim 1, wherein the paper bag cutting means comprises:

the cross rod (40) is fixedly arranged at one side of the upper end of the second support frame through a bolt;

the static cutter (41) is vertically and fixedly arranged in the middle of the left side of the cross rod (40);

the movable cutter (42) is rotationally connected to the static cutter (41);

the second cylinder seat (43) is fixedly arranged on the upper end surface of the cross rod (40);

a third cylinder (44) fixedly mounted on the cylinder block (43);

the piston rod of the third cylinder (44) penetrates through the second cylinder seat (44) and is hinged with the upper end of the movable cutter (42).

8. A tamper-evident automatic sealing and stitching machine as recited in claim 3 wherein the tape heat-sealing means comprises:

the heating blocks (45) are positioned on two sides above the upper end surface of the frame (1);

the rotating seat (46) is in a V shape, the middle part of the rotating seat (46) is rotationally connected to the upper end surface of the frame (1), and one end of the rotating seat (45) far away from the middle part of the rotating seat is hinged to the outer side of the heating block (45);

the pressing rods (47) are fixedly arranged at the lower edges of the front side and the rear side of the outer part of the second support frame, and limiting blocks are fixedly arranged on the pressing rods (47);

wherein, the one end that rotates seat (46) and keep away from heating piece (45) is offered and is supplied compressing tightly second recess that pole (47) passed, rotates the one end outside that rotates seat (46) and heating piece (45) and stopper between compressing tightly pole (47) partial cover be equipped with the second spring.

9. The automatic sealing-sewing machine according to claim 6, wherein the tape pressing member comprises:

a sixth fixing base (48);

the seventh fixing seat (49), the sixth fixing seat (48) and the seventh fixing seat (49) are respectively positioned at two sides of the upper end of the frame (1), the sixth fixing seat (48) and the seventh fixing seat (49) are respectively identical to the third fixing seat (30) and the fourth fixing seat (310) in structure, the sixth fixing seat (48) comprises a third vertical part and a third transverse part which are integrally formed, the seventh fixing seat (49) comprises a fourth vertical part and a fourth transverse part which are integrally formed, and the seventh fixing seat (49) is fixedly connected to the upper end face of the frame (1);

the second fixed shaft (50) has the same structure as the first fixed shaft (31), and the second fixed shaft (50) vertically penetrates through the fourth vertical part and is rotationally connected with the fourth vertical part;

the eighth rotating shaft is rotationally connected to the upper end face of the fourth transverse part, a third gear is fixedly arranged at the upper end of the eighth rotating shaft, and the lower end of the eighth rotating shaft penetrates through the lower end face of the fourth transverse part and is fixedly provided with a first rolling wheel (51);

a ninth rotating shaft rotatably connected to the upper end surface of the third transverse portion, a fourth gear meshed with the third gear being fixedly arranged at the upper end of the ninth rotating shaft, and a second rolling wheel (52) penetrating through the lower end surface of the first transverse portion and fixedly arranged at the lower end of the eighth rotating shaft

The eighth fixing seat (53) is positioned behind the sixth fixing seat (48) and is fixedly arranged on the upper end face of the frame (1), the upper end of the eighth fixing seat (53) is rotationally connected with a tenth rotating shaft, the upper end of the tenth rotating shaft is fixedly provided with a ninth chain wheel, and the lower end of the tenth rotating shaft penetrates through the upper end face of the frame (1) and is fixedly provided with an eleventh chain wheel meshed with the outer side of the clamping chain;

the novel gear comprises a frame (1), a first fixing seat (49) and a second fixing seat (49), wherein an eleventh chain wheel fixedly connected with an eighth rotating shaft is further arranged between the third gear and the upper end face of the fourth transverse portion, the eleventh chain wheel is connected with the tenth chain wheel through chain transmission, a second connecting piece with the same structure as the first connecting piece is fixedly arranged on the seventh fixing seat (49), a ninth fixing seat fixedly arranged on the upper end face of the frame (1) is arranged in front of the seventh fixing seat (49), a fixing rod penetrating through the left side arm and the right side arm of the ninth fixing seat is fixedly arranged on the ninth fixing seat, a third groove for inserting the fixing rod is formed in one end, far away from the seventh fixing seat (49), of the second connecting piece, and a third spring is sleeved on the fixing rod between the right side of the second connecting piece and the right side arm in the ninth fixing seat.

10. An automatic sealing-sewing packaging machine according to claim 1, characterized in that the frame (1) is provided with transmission means for driving the gripping chains, the transmission means comprising:

The second fixing plate is fixedly arranged at one side of the upper end of the second support frame, which is far away from the stitching component;

the gear motor (53) is fixedly arranged on the second fixed plate, and the end part of an output shaft of the gear motor (53) sequentially penetrates through the second fixed plate and the upper end surface of the frame (1) and is fixedly connected with a chain wheel A (55) in a downward extending manner;

the rotating shaft A is rotatably connected between the second fixed plate and the frame (1), the rotating shaft A is connected with an output shaft of the gear motor (53) through gear transmission, and the lower end of the rotating shaft A penetrates through the upper end face of the frame (1) and is fixedly connected with a chain wheel B (56) in a downward extending mode

The chain wheel A (55) is provided with a distance between the chain wheels B (56), one side, far away from the chain wheels A (55) and the chain wheels B (56), of the lower end of the frame (1) is rotationally connected with a chain wheel C and a chain wheel D, the distance between the chain wheel C and the chain wheel D is provided with two clamping chains, one clamping chain is meshed with the chain wheel A (55) and the chain wheel C, and the other clamping chain is meshed with the chain wheel B (56) and the chain wheel D.

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