CN107521725B

CN107521725B - Non-film-coated bag-making packaging machine

Info

Publication number: CN107521725B
Application number: CN201710840334.3A
Authority: CN
Inventors: 李小平; 张德庆; 杨一晨; 李珉萱
Original assignee: Huazhong University of Science and Technology
Current assignee: Huazhong University of Science and Technology
Priority date: 2017-09-18
Filing date: 2017-09-18
Publication date: 2022-11-01
Anticipated expiration: 2037-09-18
Also published as: CN107521725A

Abstract

The invention belongs to the field of packaging machines, and specifically discloses a non-film-coated bag making and packaging machine, which comprises a frame, a material threading device, a vertical conveying seam bottom device, and a bag opening manipulator that are sequentially arranged on the frame. , blanking device, transition hemming device and sewing device, the threading device is used to realize the threading of the woven bag, and send the woven bag from the vertical direction to the vertical conveying seam bag bottom device, and the vertical conveying seam bag The bottom device is used to realize the movement of the woven bag from the vertical direction to the horizontal direction, and realize the seaming of the bottom of the woven bag. The bag opening manipulator device is used to send the woven bag into the blanking device and realize the opening of the woven bag. The bag, the blanking device is used to load the opened woven bag, and the transition hemming device and the seam wrapping device are used to sequentially hem and sew the mouth of the loaded woven bag. The invention can automatically realize the processes of feeding, bag making, bag opening, blanking, sewing and the like of the woven bag, and has a high degree of automation and strong applicability.

Description

Non-film-coated bag-making packaging machine

Technical Field

The invention belongs to the field of packaging machines, and particularly relates to a non-film-coated bag-making packaging machine.

Background

In the fields of industrial production and grain processing, a large amount of solid particle materials need to be packaged and then conveyed by packaging bags, such as packaging of bean pulp, bran, starch and the like in grain processing enterprises. The bag type packaging machine replaces manual packaging step by step, so that the packaging automation of large-scale enterprises and medium and small-scale enterprises is realized, the production efficiency is effectively improved, and the cost is reduced.

At present, the bag type packaging machine is mechanized and partially automated, namely materials can be automatically weighed, blanking and bag sewing are completed mechanically, but a part of work is completed manually, if empty packaging bags need to be taken out manually, the empty packaging bags are sleeved at a blanking port, the packaging bags filled with the materials are attached with production labels, and the packaging bags are sent to a bag sewing machine and the like. For example, patent 200410043875.6 discloses a bag forming and packaging machine which uses a film roll lifting mechanism to lift a film roll, the film roll passes through an unwinding mechanism to be corner-sealed and bottom-sealed, and then the bag is taken out, opened, filled, mouth-sealed and then sent out. This packagine machine function is more single, can only carry out work to the tectorial membrane bag, can not pack the powder or the particulate matter that need pack with ventilative non-tectorial membrane bag, and the practicality is lower. The patent US20130036710A1 discloses a method and a device for producing, filling and packaging means, which comprises a bag making unit and a material packaging unit, the packaging process is similar to the principle of the patent 200410043875.6, the packaging method and the device are only suitable for film-coated bags, and only have a heat sealing function on bag openings and cannot perform edge folding and sewing on the bag openings. Patent 201510734984.0 discloses an automatic packaging machine for bulk materials, which comprises a blanking structure, a manipulator structure, a conveying system, an automatic label feeding machine and a bag sewing machine, wherein the packaging machine needs to be manually bagged, the degree of automation is low, the automatic label feeding machine does not have a folding function, and the packaging practicability of some powder materials is not strong.

Disclosure of Invention

Aiming at the defects or improvement requirements of the prior art, the invention provides a non-film-coated bag making and packaging machine which is capable of automatically realizing the procedures of feeding, bag making, bag opening, blanking, bag sewing and the like of woven bags correspondingly by researching and designing the specific structures and the specific arrangement modes of key components such as a material penetrating device, a vertical conveying bag bottom sewing device and a transition edge folding device, effectively improving the packaging efficiency and reducing the labor power, and having high automation degree and strong applicability.

In order to achieve the purpose, the invention provides a non-film-coated bag making and packaging machine, which comprises a rack, and a material penetrating device, a vertical conveying bag bottom sewing device, a bag opening manipulator device, a blanking device, a transition edge folding device and a bag sewing device which are sequentially arranged on the rack, wherein: wear the material device and be used for realizing wearing of braided bag to send into the braided bag by vertical direction in the vertical transport stitches the end of the bag device, vertical transport stitches end of the bag device and is used for realizing that the braided bag becomes the horizontal direction by vertical direction motion and carries to realize the seam limit at the bottom of the braided bag, it is used for sending into by vertical transport stitches end of the bag device to open the bag manipulator device in the doffer to realize opening the bag of braided bag, the doffer is used for feeding to the braided bag that has opened, transition hem device and seam packing are put and are used for carrying out hem and seam limit to the sack of the braided bag that has loaded in proper order.

Preferably, the material penetrating device comprises an integral frame, and a feeding unit, an unreeling unit and a conveying material penetrating unit which are sequentially arranged on the integral frame from left to right, wherein the feeding unit is used for feeding and unloading woven bags, and the unreeling unit is used for unreeling woven bags; the conveying and penetrating unit is used for conveying and penetrating woven bags and comprises a conveying assembly, a penetrating assembly and a driving assembly, the conveying assembly comprises a horizontally arranged deflection idler roller and a horizontally arranged floating roller, two ends of the deflection idler roller are mounted on the integral rack, two ends of the floating roller are hinged to the integral rack through side end supporting plates, the floating roller can float up and down, the deflection idler roller and the floating roller are parallel to each other, and chain wheels are mounted at two ends of the deflection idler roller and the floating roller; the material penetrating assembly comprises a material penetrating driving piece and a plurality of material penetrating rollers which are horizontally arranged and parallel to the deflection idler rollers, chain wheels are arranged at two ends of each material penetrating roller, the deflection idler rollers, the floating rollers and the chain wheels, which are positioned on the same side of the material penetrating rollers, are matched with a chain to form a circularly closed material penetrating path, and flexible connecting plates used for connecting woven bags are arranged on the two chains matched with the chain wheels at the two ends of the deflection idler rollers; drive assembly sets up wherein between two material rollers of wearing, and it includes main drive roller, driven voller and the rotatory drive roll driving piece of drive main drive roller.

Preferably, the feeding unit comprises an inflatable shaft, a supporting arm and a feeding cylinder, the inflatable shaft is used for mounting a woven bag, the woven bag penetrates through the inflatable shaft when the inflatable shaft is not inflated, then the woven bag is connected with the inflatable shaft by inflating the inflatable shaft, the inflatable shaft is connected with one end of the supporting arm through a bearing, the other end of the supporting arm is mounted on the integral rack, and the feeding cylinder is mounted on the integral rack and connected with the supporting arm, so that the feeding and discharging of the woven bag are realized by controlling the up-and-down movement of the supporting arm through the expansion and contraction of the feeding cylinder; the unreeling unit comprises a sliding guide rail assembly, an unreeling roller and a pressing roller, the sliding guide rail assembly comprises two groups of sliding guide rail sub-assemblies with the same structure, each group of sliding guide rail sub-assemblies comprises a sliding guide rail connected with the whole rack, a sliding side plate in sliding fit with the sliding guide rail and a pressing cylinder for driving the sliding side plate to move up and down, two ends of the unreeling roller are connected with the whole rack, chain wheels matched with chains are also arranged at two ends of the unreeling roller, the pressing roller is arranged above the unreeling roller, and two ends of the pressing roller are respectively connected with the sliding side plates in the two groups of sliding guide rail sub-assemblies, so that the pressing and the opening of the pressing roller on the unreeling roller are controlled through the expansion of the pressing cylinder.

Preferably, the material passing driving part comprises a chain wheel driving shaft and a chain wheel driving source for driving the chain wheel driving shaft to rotate, and chain wheels matched with the chain are arranged at two ends of the chain wheel driving shaft; the chain wheels arranged at the two ends of the floating roller are preferably sector chain wheels.

As a further preferred option, the vertical conveying and bag-sewing bottom device comprises a module frame, and a bag-cutting connecting section, a bag-folding and bag-sewing bottom section, and a bag-taking and bag-opening connecting section which are sequentially arranged on the module frame from left to right, wherein the bag-cutting connecting section comprises a first uniform speed-changing conveying assembly, an opening and closing assembly, an air blowing assembly and a bag pressing assembly, the first uniform speed-changing conveying assembly comprises a pair of vertically-arranged transmission shafts and a plurality of pairs of conveying belt groups horizontally arranged on the pair of transmission shafts, a backup plate is arranged between each pair of conveying belt groups, the opening and closing assembly is arranged on the module frame and used for realizing synchronous opening and closing of the plurality of pairs of conveying belt groups, the air blowing assembly is arranged on the module frame and used for enabling the woven bag to be attached to a plane formed by the backup plate and the conveying belt groups in the conveying process, and the bag pressing assembly is arranged on the module frame and used for pressing the bottom of the woven bag; the folding and bag sewing bottom section comprises a second uniform variable speed conveying assembly and a first uniform speed conveying assembly, the second uniform variable speed conveying assembly is used for realizing horizontal uniform variable speed conveying of woven bags, the first uniform speed conveying assembly is used for realizing horizontal uniform speed conveying of the woven bags, and a folding device and a bag bottom sewing machine are arranged below the first uniform speed conveying assembly; the bag taking and opening cross section comprises a second constant-speed conveying assembly and a guard plate assembly, the second constant-speed conveying assembly is used for horizontally conveying woven bags at a constant speed, and the guard plate assembly is arranged above the second constant-speed conveying assembly and used for restraining the upper ends of the woven bags from inclining.

Preferably, the pair of transmission shafts are meshed with each other through gears, one of the transmission shafts is provided with a motor with a uniform speed change section, the number of the transmission belt groups is preferably three, each pair of transmission belt groups comprises two transmission belt units, each transmission belt unit comprises a synchronous belt mounting assembly horizontally mounted on the transmission shaft and a synchronous belt sleeved on the synchronous belt mounting assembly, and the two synchronous belts in each pair of transmission belt groups are opposite to each other and used for clamping woven bags and driving the woven bags to move; the opening and closing assembly comprises a driving cylinder and a connecting frame, the driving cylinder is mounted on the module rack through a cylinder foot support, a telescopic rod of the driving cylinder is connected with the connecting frame, the connecting frame is connected with synchronous belt mounting assemblies positioned on the same side in the plurality of pairs of conveying belt groups, and therefore the synchronous opening and closing of the plurality of pairs of conveying belt groups are driven through the telescopic action of the driving cylinder; the blowing assembly comprises a blowing pipe mounting rack arranged on the module rack and a blowing pipe mounted on the blowing pipe mounting rack; the bag pressing assembly comprises a bag bottom transition pressing plate and a pressing plate driving cylinder arranged on the module rack, and the bag bottom transition pressing plate horizontally moves back and forth under the action of the pressing plate driving cylinder; the backplate subassembly includes that cylinder mounting bracket, backplate drive actuating cylinder and backplate group, the cylinder mounting bracket is installed in the module frame, backplate drive actuating cylinder installs on this cylinder mounting bracket to its telescopic link pass through the backplate connecting piece with backplate group links to each other, and this backplate group is including the backplate of two relative settings, and it is used for retraining the upper end of braided bag in order to prevent its slope.

Preferably, the backup plate comprises a U-shaped side edge, and an upper flange and a lower flange which are arranged at an opening of the U-shaped side edge, wherein the upper flange is turned upwards, is perpendicular to the upper surface of the U-shaped side edge and forms a first groove structure with the upper surface of the U-shaped side edge, and the lower flange is turned downwards, is perpendicular to the lower surface of the U-shaped side edge and forms a second groove structure with the lower surface of the U-shaped side edge; the conveyor belt units at the inner side in each pair of conveyor belt groups are placed in the first groove structures or the second groove structures of the backup plates, and the outer surfaces of the conveyor belts in the inner conveyor belt units are coplanar with the outer surfaces of the U-shaped side edges.

As further preferred, the doffer includes material subassembly, clamping component and draws flat subassembly, the material subassembly includes the hopper and sets up the hopper door in this hopper below, clamping component includes two sets ofly, and the branch is located the both sides of hopper, every clamping component of group all include the bag clamping cylinder and the bag clamping claw that links to each other with this clamping cylinder, and this bag clamping claw is used for pressing from both sides the sack of tight braided bag, draw flat subassembly to be provided with equally two sets ofly for promote clamping component horizontal movement in order to draw flat the sack of braided bag.

Preferably, the transition flanging device comprises a transition wheel assembly and a flanging assembly, the transition wheel assembly comprises two groups of transition wheel sets and a transition expanding cylinder which are opposite to each other, the transition wheels in the same transition wheel set are arranged on the same transition wheel mounting plate, and the transition expanding cylinder is connected with one mounting plate; the flanging assembly comprises a flanging device and a flanging device cylinder, and the flanging device is positioned above the two sets of transition wheel sets.

As a further optimization, the packaging machine is further provided with a flattening clamping device, the flattening clamping device comprises flattening clamping components and horizontal driving components, the flattening clamping components are provided with two groups, each group of flattening clamping components comprises a connecting rod, and a clamping arm cylinder, a holding plate and a pressing plate cylinder which are arranged on the connecting rod, the pressing plate cylinder is connected with a pressing plate, the connecting rod and the clamping arm cylinder are arranged on a roller mounting frame, and the roller mounting frame is in sliding fit with a horizontally arranged guide rail arranged on the rack; the horizontal driving assemblies are also provided with two groups, and each group of horizontal driving assemblies is connected with the corresponding roller mounting rack in the flattening clamping assembly.

Generally, compared with the prior art, the above technical solution conceived by the present invention mainly has the following technical advantages:

1. the device can effectively prevent woven bags from being piled up, the woven bag coil materials are directly conveyed through the penetrating device, the cut woven bags are subjected to edge folding and bag bottom sewing operations one by one continuously through the vertical conveying and bag bottom sewing device, then conveyed to the bag taking and opening position, and finally subjected to bag opening, blanking, edge folding, labeling, bag sewing and other processes, so that the problem of taking multiple bags at one time is thoroughly solved, and online automatic packaging of the materials is realized.

2. The bag moving direction of the woven bag is changed from being perpendicular to the woven bag to being parallel to the woven bag in the working process of the packaging machine, namely the conveying direction of the woven bag is parallel to the surface of the woven bag.

3. The two groups of flexible guide mechanisms consisting of the chain wheels and the chains are symmetrically arranged on two sides of the material penetrating device, so that flexible guide of coiled materials can be realized, a flexible connecting plate for bonding the coiled materials is arranged between the two groups of flexible guide mechanisms, the connecting plate can bear extrusion, stretching and deformation, can smoothly penetrate through the driving pair roller device, and can drive the coiled materials to penetrate through the idle rollers and the floating rollers which are staggered in a complex way.

4. The material penetrating device realizes that the coil material penetrates through the complex staggered idler roller and the floating roller through the flexible guide mechanism consisting of the chain wheel and the chain, wherein the sector chain wheel arranged on the floating roller by the guide mechanism can realize the separation of the floating roller after the material penetrating is finished without influencing the movement of the floating roller.

5. According to the automatic separation device, the woven bag roll and the connecting plate in the penetrating device are connected in an adhesion mode, when the roll penetrates through the driving double rollers of the driving assembly, namely the main driving roller and the driven roller, the double rollers are inching to move, the connecting plate continues to move towards the direction of the guide mechanism, and the woven bag is subjected to the clamping force of the double rollers, so that the woven bag and the connecting plate generate a separation force, and automatic separation is realized.

6. The vertical conveying and bag bottom sewing device adopts a vertical conveying mode to realize the L-shaped movement track of the woven bag, namely, the change from vertical movement to horizontal movement, the cut woven bag is conveyed to a bag taking and opening position by using the arranged synchronous belt, the operations of folding and bag bottom sewing are completed in the conveying process, and the conveying direction of the woven bag is parallel to the surface of the woven bag in the whole conveying process.

7. The vertical conveying bag bottom sewing device is designed into a four-section synchronous belt structure from the perspective of time sequence optimization in the design process, namely a bag cutting connection section (a first section synchronous belt structure), a folding bag bottom sewing section (comprising a second uniform speed change conveying component and a first uniform speed conveying component, namely a second section synchronous belt structure and a third section synchronous belt structure) and a bag taking and opening connection section (a fourth section synchronous belt structure) are sequentially arranged, so that the time sequence optimization of the conveying process of woven bags is ensured, the conveying efficiency is effectively improved, the first three sections are designed to comprise more than one group of synchronous belts for restraining the upper part, the middle part and the lower part of the woven bags, and the fourth section is designed to be only one group of synchronous belts for meeting other subsequent requirements, for example, a bag opening manipulator is convenient to clamp the woven bags to leave the vertical conveying bag bottom sewing device to smoothly enter the next station.

8. The invention designs a vertical conveying and bag bottom sewing device, wherein the front two sections of synchronous belts are uniformly variable speed sections (uniform acceleration-uniform speed reduction), the rear two sections are uniformly variable speed sections (same speed), the stable transmission of woven bags can be realized by matching the speeds of the two adjacent sections of synchronous belts, after a bag is cut by a front bag making machine, if the speeds of the four sections of synchronous belts are consistent, the time for moving a first bag to a next station is higher than the designed time sequence requirement, and the efficiency is seriously influenced.

9. In the process that woven bags are conveyed downwards from a bag making station to a bag cutting and connecting section of the device through the driving roller, the woven bags can swing back and forth and can be clamped by the synchronous belt and cannot move smoothly to a specified position.

10. Because the woven bag has strong flexibility and the state of the woven bag is extremely unstable in the movement process, the bag pressing assembly is arranged at the bag bottom of the device, so that the bag bottom can accurately enter the hemmer to finish the edge folding operation, and the bag bottom is sewn; meanwhile, the upper part of the device is provided with the guard plate assembly, so that the woven bag can be effectively prevented from inclining in the conveying process, and the stability of the woven bag is improved.

Drawings

Fig. 1 is a schematic structural diagram of a material passing apparatus provided in an embodiment of the present invention;

FIGS. 2 (a) - (d) are schematic views of the piercing process of the piercing device;

fig. 3 is a schematic structural diagram of a feeding unit according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a material conveying and passing unit according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an unwinding unit according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another material conveying and passing unit according to an embodiment of the present invention;

FIG. 7 is a schematic view of the connection of the chain to the link plate;

FIG. 8 is a schematic diagram of a vertical feed pocket bottom arrangement provided by an embodiment of the present invention;

FIG. 9 is a schematic view of the overall structure of the vertical bag bottom conveying and sewing device according to the embodiment of the present invention;

FIG. 10 is a schematic diagram of a bag cutting interface according to an embodiment of the present invention;

FIG. 11 is a top view of the opening of the timing belt of the bag cutting interface provided by the embodiment of the invention;

FIG. 12 is a schematic structural diagram of a backup plate according to an embodiment of the present invention;

FIG. 13 is a schematic view of an insufflation tube configuration provided by an embodiment of the present invention;

FIG. 14 is a schematic structural view of a bottom section of a hemmed bag provided in accordance with an embodiment of the present invention;

FIG. 15 is a schematic structural view of a bag-removing and bag-opening connecting section according to an embodiment of the present invention;

fig. 16 is a schematic structural diagram of a bag opening manipulator device provided by the embodiment of the invention;

FIG. 17 is a schematic structural diagram of a blanking device provided in an embodiment of the present invention;

FIG. 18 is a schematic structural view of a flattening clamp apparatus according to an embodiment of the present invention;

FIG. 19 is a schematic view of a transition flanging device according to an embodiment of the present invention;

fig. 20 is a schematic structural view of a labeling device provided in the embodiment of the present invention;

fig. 21 is a schematic structural view of an overall structure of a non-film-covered bag-making and packaging machine according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 21, an embodiment of the present invention provides a non-film-coated bag making and packaging machine, which includes a frame 1, and a material penetrating device 2, a vertical conveying and bag bottom sewing device 3, a bag opening manipulator device 4, a material dropping device 5, a transition edge folding device 6, and a bag sewing device 7, which are sequentially disposed on the frame, wherein the material penetrating device 2 is configured to realize material penetrating of a woven bag and send the woven bag into the vertical conveying and bag bottom sewing device from a vertical direction, the vertical conveying and bag bottom sewing device 3 is configured to realize conveying of the woven bag from a vertical direction to a horizontal direction and realize edge sewing of the bottom of the woven bag, the bag opening manipulator device 4 is configured to send the woven bag sent out from the vertical conveying and bag bottom sewing device into the material dropping device and realize bag opening of the woven bag, the material dropping device 5 is configured to charge the opened woven bag, and the transition edge folding device 6 and the bag sewing device 7 are configured to sequentially perform edge folding and edge sewing on a bag opening of the charged woven bag. Through the mutual cooperation of above-mentioned each device, can realize the high efficiency packing to bulk material, have extensive applicability, the reliability is high, modular design's characteristics.

Each of the devices will be described in more detail below.

As shown in fig. 1, the material threading device comprises an integral frame 7-1, and a feeding unit 1-1, an unreeling unit 2-1 and a conveying material threading unit which are sequentially arranged on the integral frame 7-1 from left to right, wherein the feeding unit 1-1 is used for feeding and unloading woven bags, the unreeling unit 2-1 is used for unreeling woven bags, and the conveying material threading unit is used for conveying and threading woven bags. Specifically, as shown in fig. 1 and 3, the feeding unit 1-1 is installed, for example, on the left side of the outside of the integral frame, and includes an inflatable shaft 102, a support arm 103, and a feeding cylinder 104, where the inflatable shaft 102 is used to install a woven bag 101, the woven bag passes through the inflatable shaft when the inflatable shaft is not inflated, then the woven bag is connected with the inflatable shaft by inflating the inflatable shaft, and the axial positioning of the woven bag can be realized through the scale on the inflatable shaft, the inflatable shaft is connected with one end of the support arm through a bearing, the other end of the support arm is installed on the integral frame, the feeding cylinder is connected, for example, on the integral frame 7 through a cylinder installation support 105, the telescopic rod of the feeding cylinder is connected with the support arm, and the feeding and discharging of the woven bag are realized by the telescopic control of the feeding cylinder to control the up-and down movement of the support arm.

As shown in fig. 1 and 4, the conveying and threading unit is installed inside the integral frame and located on the right side of the feeding unit, and comprises a conveying assembly 3-1, a threading assembly 4-1 and a driving assembly 5-1, wherein the conveying assembly 3-1 comprises a horizontally arranged deflecting idler roller 301 and a horizontally arranged floating roller 302, the deflecting idler roller 301 is mainly used for changing the trend of the woven bag, the floating roller 302 is used for controlling the tension change of the woven bag in the bag making process, two ends of the deflecting idler roller 301 are installed on the integral frame 7-1 through bearing seats 507, two ends of the floating roller 302 are hinged with the integral frame 7-1 through side end supporting plates 303, so that the floating roller 302 can float up and down, the deflecting idler roller 301 and the floating roller 302 are parallel to each other, and chain wheels are installed at two ends of the deflecting idler roller 301 and the floating roller 302; the material passing assembly 4-1 comprises a material passing driving part and a plurality of material passing rollers which are horizontally arranged and are parallel to the deflecting idler roller 301, each material passing roller is installed on the integral frame 7-1 through a bearing seat 507 for example, and both ends of each material passing roller are provided with chain wheels 401 which realize the positioning on the material passing rollers through a positioning shaft sleeve 406 and a fixing ring 407 for example, wherein the chain wheels of the deflecting idler roller 301, the floating roller 302 and all the material passing rollers which are positioned on the same side are meshed with a chain 402 to form an circularly closed material passing path, namely, one chain is arranged on one side of the deflecting idler roller, the floating roller and all the material passing rollers, another chain is arranged on the other side of the deflecting idler roller, the floating roller and all the material passing rollers, and a flexible connecting plate 403 for connecting woven bags, for example, a flexible connecting plate made of polyethylene fibers is arranged between the two chains, and the thickness of the flexible connecting plate is 0.5mm. As shown in fig. 7, the flexible connecting plate is mounted on the side of the chain; the driving assembly 5-1 is arranged between two of the material passing rollers and comprises a main driving roller 502, a driven roller 503 and a driving roller driving part for driving the main driving roller to rotate, and the main driving roller 502 and the driven roller 503 are installed on the frame.

Preferably, it includes sprocket drive shaft 405 and the sprocket drive source 411 that is used for driving this sprocket drive shaft rotation to wear the material driving piece, sprocket drive shaft 405 is installed in whole frame, its both ends are provided with two chain complex sprockets, sprocket drive source 411 links to each other with sprocket drive shaft 405, it is preferable to install sprocket drive source 411 in the outside of sprocket drive shaft 405 one end, just drive above spatial position, this sprocket drive source can be the motor, the hand wheel etc., it is rotatory to drive the sprocket drive shaft through the sprocket drive source, and then it is rotatory to drive the sprocket on this sprocket drive shaft, thereby drive the motion with two chains of this sprocket meshing, and then drive the braided bag on the flexible connecting plate on the chain and this flexible connecting plate along wearing material path motion, thereby realize wearing the material action. Further, the main driving roller 502 and the driven roller 503 are engaged with each other through a gear 501, the main driving roller 502 and the driven roller 503 are located on the same horizontal plane and are parallel to each other, the driving roller driving part comprises a synchronous pulley 504 installed on the main driving roller, a driving motor 505 used for driving the synchronous pulley to move and a synchronous belt 506 used for connecting the synchronous pulley and the driving motor, the main driving roller 502 drives the synchronous belt 506 to rotate through the driving motor 505, and then the driven roller 503 is driven to rotate, so that the woven bag is driven to move by the pair rollers. Further, the sprockets mounted at both ends of the dancer roll 302 are fan-shaped sprockets 412 for ensuring effective separation of the sprockets on the dancer roll from the chain during dancer roll movement without affecting the chain layout. Preferably, the deflection idler roller and the material penetrating roller are provided with limiting rubber rings 408 for preventing the woven bag from deviating in the material penetrating process. In order to realize the adjustment of the chain tension, a chain tensioning mechanism 410 is further disposed in the conveying and threading unit, and the chain tensioning mechanism is disposed beside the chain for realizing the adjustment of the chain tension.

Preferably, the conveying assembly 3-1 comprises a deflection idler roller and two floating rollers, wherein the two floating rollers (a first floating roller and a second floating roller) are arranged below the deflection idler roller, the two floating rollers are parallel to each other, are positioned on the same horizontal plane and are parallel to the deflection idler roller, and the first floating roller and the second floating roller are arranged on two sides of the deflection idler roller; the material passing rollers are provided with six, namely a first material passing roller, a second material passing roller, a third material passing roller, a fourth material passing roller, a fifth material passing roller and a sixth material passing roller respectively, the structure of the material passing rollers is the same as that of the deflection idler roller, the material passing rollers can also be called as the deflection idler rollers, wherein the first material passing rollers and the second material passing rollers are positioned below the floating rollers, the first material passing rollers are positioned on the left side of the first floating rollers, the second material passing rollers are positioned on the right side of the second floating rollers, the unwinding rollers are positioned between the first material passing rollers and the first floating rollers, the third material passing rollers and the fourth material passing rollers are positioned above the deflection idler rollers, and the material passing driving piece is positioned between the third material passing rollers and the fourth material passing rollers, the fifth material passing roller and the sixth material passing roller are respectively positioned above and below the main driving roller, the chain sequentially bypasses the unreeling roller, the first floating roller, the deflection idler roller, the second floating roller, the third material passing roller, the material passing driving piece, the fourth material passing roller, the fifth material passing roller, the driving assembly, the sixth material passing roller, the second material passing roller and the first material passing roller and is positioned on a chain wheel at the same side to form a circulating closed material passing path, and the connecting plate sequentially passes through the unreeling roller, the first floating roller, the deflection idler roller, the second floating roller, the third material passing roller, the material passing driving piece, the fourth material passing roller, the fifth material passing roller, the driving assembly, the sixth material passing roller, the second material passing roller and the first material passing roller in one material passing circulating process.

As shown in fig. 1 and 5, the unwinding unit 2-1 is mounted on the integral frame and located between the feeding unit and the conveying and threading unit, and includes a sliding guide rail assembly, an unwinding roller 206 and a pressing roller 202, the sliding guide rail assembly includes two sets of sliding guide rail sub-assemblies with the same structure, each set of sliding guide rail sub-assembly includes a sliding guide rail 205 connected to the integral frame, a sliding side plate in sliding fit with the sliding guide rail, and a pressing cylinder 204 driving the sliding side plate to move up and down, the sliding guide rail 205 is connected to the frame 7 through a connecting plate 201, the pressing cylinder 204 is mounted on a support of the sliding guide rail 205, two ends of the unwinding roller 206 are connected to the integral frame, and two ends of the unwinding roller are provided with sprockets in sliding fit with a chain, the pressing roller 202 is disposed above the unwinding roller 206, and two ends of the pressing roller are connected to the sliding side plate of the two sets of sliding guide rail sub-assemblies, so as to control the pressing and unwinding roller to be pressed and unwound on the unwinding roller 206 through the expansion of the pressing cylinder. In order to increase the friction force of pressing, a rubber ring 203 is connected to the pressing roller 202 through a set screw, after the material penetrating action is completed, the pressing cylinder extends out, the pressing roller presses the woven bag, the pair of rollers with the pressing roller 202 is achieved through rotation of the unwinding roller 206, and unwinding of the woven bag is driven. Further, the material penetrating device is also provided with a hot cutting unit 6-1, the hot cutting unit is used for cutting off the woven bag, is arranged on the integral frame and is positioned on the right side of the material conveying and penetrating unit.

As shown in fig. 2 (a) - (d), when the material penetrating device works, firstly, the woven bag is lifted to a certain height through the material loading unit, after the woven bag is in place, the pressing cylinder in the material unwinding unit is in a retraction state, a worker pastes an initial woven bag of the woven bag on the connecting plate 403, then the chain wheels on two sides of the chain wheel driving shaft are driven to synchronously rotate through the chain wheel driving source, specifically, the chain wheel driving source rotates clockwise, further the connecting plate 403 and the woven bag on the connecting plate are driven to sequentially pass through the conveying assembly and the material penetrating assembly, when the connecting plate reaches the upper part of the driving assembly, the worker clicks the button to stop the rotation of the main driving roller 502, namely, the driving motor 505 is started to drive the main driving roller 502 to rotate to drive the connecting plate 403 adhered with the woven bag to pass through the space between the main driving roller 502 and the driven roller 503, at the moment, the woven bag is clamped by the main driving roller 502 and the driven roller 503, and the connecting plate is separated from the woven bag under the driving of the chain, the connecting plate returns to the initial position through a cycle, after the connecting plate is separated from the woven bag, then, the connecting plate is clicked (stopped) to rotate, namely, so that the main driving roller 502 rotates to enable the woven bag to pass through the hot cutting unit, then the pressing cylinder of the bag unwinding unit, then the vertical bag feeding and the vertical bag conveying device to convey the vertical bag into the vertical bag conveying device, and the vertical conveying device. Whole process simulation manual work wears the bag mode, is connected sack and connecting plate earlier for sack and connecting plate are as an organic whole, make things convenient for the flexible body to move along certain route, then through the guiding motion of sprocket chain, with the simple smooth transmission mechanism that passes of braided bag, accomplish and wear the material back, suitably adjust sector gear's rotational position, will not have the part of chain chi and contact with the chain, work as the dancer roll luffing motion, fan-shaped sprocket and chain take place to break away from, equipment normally works. The method utilizes the complex transmission roller component of the bag making machine, simply replaces the difficult problem of difficult manual feeding by installing chain and chain wheel guiding at the two sides of the roller, and can be flexibly applied to other occasions such as printing, paper penetrating and the like.

As another embodiment of the invention, as shown in fig. 6, the chain can be designed to cooperate with the deflecting idler rollers and the sprockets of all the threading rollers located on the same side, instead of cooperating with the sprockets of the dancer rollers, it being noted that with this solution, the sprockets located below the dancer rollers are mounted directly on the integral frame, which does not require the presence of the threading rollers. The device can arrange fan-shaped chain wheels at two ends of the floating roller, and can also arrange the chain wheels below the limit position of the floating roller so as to bypass the floating roller, so that the movement of the floating roller is not influenced. Besides different guiding modes, the device can replace the chain with a rope, a belt, a conveying belt or other derivatives, and correspondingly adopts a belt wheel to match with the chain.

As shown in fig. 8 and 9, the vertical conveying and bag bottom sewing device provided by the embodiment of the invention comprises a module frame 3-01, and a bag cutting and connecting section 3-02 (which is a first synchronous belt structure of the device), a bag folding and sewing bottom section 3-04 (which is a second synchronous belt structure and a third synchronous belt structure of the device) and a bag taking and bag opening and connecting section 3-07 (which is a fourth synchronous belt structure of the device) which are sequentially arranged on the module frame 3-01 from left to right, wherein an arrow in fig. 8 is in a bag moving direction of a woven bag 3-03, and the arrow is in a vertical movement and then in a horizontal movement, wherein the bag cutting and connecting section 3-02 is used for realizing uniform speed conveying of the vertically arranged woven bag from the vertical movement to the horizontal movement, the bag folding and bag sewing bottom section is used for realizing uniform speed conveying of the woven bag firstly in the horizontal movement and then in the horizontal movement, and realizing online sewing of the bag bottom, and the bag taking and bag opening and connecting section is used for realizing horizontal conveying of the woven bag and ensuring that the upper end is not inclined in the conveying process.

As shown in fig. 9 and 10, the bag cutting and connecting section 3-02 is mounted on the module frame and includes a first uniform variable speed conveying assembly, an opening and closing assembly, an air blowing assembly and a bag pressing assembly, wherein the first uniform variable speed conveying assembly is used for changing vertical movement of woven bags into horizontal uniform variable speed conveying, the first uniform variable speed conveying assembly includes a pair of vertically arranged transmission shafts i 3-02-002 and a plurality of pairs of conveyor belt groups horizontally arranged on the pair of transmission shafts i, a backup plate 3-02-014 is arranged between each pair of conveyor belt groups, the opening and closing assembly is arranged on the module frame and used for realizing synchronous opening and closing of the plurality of pairs of conveyor belt groups, the air blowing assembly is arranged on the module frame and used for enabling the woven bags to be always attached to a plane formed by the backup plate and the conveyor belt groups in the conveying process, and the bag pressing assembly is used for pressing the bottoms of the woven bags. Specifically, a pair of transmission shafts I are meshed with each other through gears 3-02-006, one of the transmission shafts is provided with a uniform speed change section motor I3-02-008, and the uniform speed change section motor I3-02-008 is installed on a module rack through a motor installation plate I3-02-007 and used for realizing uniform speed change rotation of the transmission shafts and further driving synchronous belts on the transmission shafts to do horizontal uniform speed change movement. Furthermore, each pair of conveyor belt groups comprises two conveyor belt units, each conveyor belt unit comprises a synchronous belt mounting assembly horizontally mounted on the transmission shaft and a synchronous belt I3-02-001 sleeved on the synchronous belt mounting assembly, the two conveyor belt units in the same pair of conveyor belt groups are correspondingly mounted on a pair of transmission shafts I, namely one conveyor belt unit is mounted on one transmission shaft, and the two synchronous belts in each pair of conveyor belt groups are opposite to each other, so that the woven bag is clamped by the two opposite synchronous belts and is driven to move horizontally, and horizontal uniform speed change movement is particularly realized. Specifically, the synchronous belt mounting assembly comprises a driving belt wheel and a driven belt wheel, the driving belt wheel is mounted on the transmission shaft and connected with the driven belt wheel through a synchronous belt mounting plate 3-02-011, and the synchronous belt I3-02-001 is sleeved on the driving belt wheel and the driven belt wheel and matched with the driving belt wheel and the driven belt wheel. Further, the opening and closing assembly comprises a driving cylinder I3-02-004 and a connecting frame 3-02-005, the driving cylinder I3-02-004 is installed on the module rack through a cylinder foot support 3-02-003, a telescopic rod of the driving cylinder I3-02-004 is connected with the connecting frame, the connecting frame is connected with a synchronous belt installation assembly located on the same side in a plurality of pairs of conveying belt groups and specifically connected with a synchronous belt installation plate, so that the synchronous opening and closing of the plurality of pairs of conveying belt groups are driven through the telescopic action of the driving cylinder I, specifically, the conveying belt units located on the outer side in the plurality of pairs of conveying belt groups are driven to synchronously open and close relative to the conveying belt units located on the inner side, when two conveying belt units in the conveying belt groups are opened, a vertically arranged woven bag can be conveniently vertically conveyed into the bag cutting and connecting section from the upper side, and when the two conveying belt units in the conveying belt groups are closed, the restraint on the woven bag during hot cutting and the woven bag can be changed into horizontal movement (the movement track of the L shape), and then the woven bag is driven to move downwards. Further, the air blowing assembly comprises an air blowing pipe mounting rack 3-02-013 arranged on the module rack and an air blowing pipe 3-02-012 arranged on the air blowing pipe mounting rack, specifically, as shown in fig. 6, the air blowing pipe 3-02-012 is made of a stainless steel pipe with one end blocked and a plurality of air holes formed in the side surface; the bag pressing assembly is positioned on the outer side below the bag cutting connecting section and comprises a bag bottom transition pressing plate 3-02-010 and a pressing plate driving air cylinder 3-02-009 arranged on the module rack, and the bag bottom transition pressing plate horizontally moves back and forth under the action of the pressing plate driving air cylinder.

Specifically, as shown in fig. 10, the conveyor belt groups are preferably three pairs, each pair of conveyor belt groups is parallel to each other, a backup plate 3-02-014 is arranged between the upper conveyor belt group and the middle conveyor belt group, an identical backup plate is arranged between the lower conveyor belt group and the middle conveyor belt group, as shown in fig. 12, the backup plate comprises a U-shaped side and an upper and lower backup plates arranged at the opening of the U-shaped side, wherein the upper backup plate is turned upwards, is perpendicular to the upper surface of the U-shaped side and forms a first groove structure with the upper surface of the U-shaped side, the lower backup plate is turned downwards, is perpendicular to the lower surface of the U-shaped side and forms a second groove structure with the lower surface of the U-shaped side (at a in fig. 12), the inner conveyor belt unit of each pair of conveyor belt groups is arranged in the first or second groove structure of the backup plate, and as shown at a in fig. 11, the outer surface of the conveyor belt of the inner conveyor belt unit (the side facing the outer conveyor belt unit) is coplanar with the outer surface of the U-shaped side (i.e. in the same plane). In actual installation, the two backup plates are installed on the module rack, and during installation, the second groove structure of the backup plate located above coincides with the first groove structure of the backup plate located below, that is, the lower flange of the backup plate above and the upper flange of the backup plate below are in close contact with each other, the outer surfaces of the U-shaped sides of the two backup plates are coplanar (in the same vertical plane), the conveyor unit located inside in the conveyor group located above is placed in the first groove of the backup plate above, the conveyor unit located inside in the conveyor group located in the middle is placed in the second groove of the backup plate above (or in the first groove of the backup plate below), the conveyor unit located inside in the conveyor group located below is placed in the second groove of the backup plate below, and the outer surface of the inner conveyor in the conveyor group located above, the outer surface of the inner conveyor in the conveyor group located in the middle, the outer surface of the inner conveyor in the conveyor group located below, the outer surface of the inner conveyor in the conveyor group located in the lower, the outer surface of the U-shaped side of the backup plate above, and the U-shaped coplanar outer surface of the backup plate below (that are in the same vertical plane), specifically.

In the actual working process, the vertically arranged woven bags are vertically conveyed down from the upper part of the bag cutting connecting section 3-02 by the material penetrating device, the vertical woven bags are always attached to a plane formed by the backup plate 3-02-014 and the synchronous belts under the action of the air blowing pipes 3-02-012, the driving air cylinders I3-02-004 drive three pairs of synchronous belts to open and close through the connecting frames 3-02-005 so as to realize the restraint and change of the woven bags during hot cutting, the cut woven bags move from the vertical direction to the horizontal direction (the movement track can be approximate to an L shape), and then move to the next station, the pressing plates drive the air cylinders 3-02-009 to drive the bag bottom transition pressing plates 3-02-010 to move inwards, and the bag bottoms can be always kept flat and accurately enter the edge folding devices 3-04-009 in the movement process of the next station.

As shown in fig. 14, the edge folding and bag sewing bottom section is mounted on the module frame and comprises a second uniform variable speed conveying assembly and a first uniform speed conveying assembly, the second uniform variable speed conveying assembly is used for realizing horizontal uniform variable speed conveying of woven bags, the first uniform speed conveying assembly is used for realizing horizontal uniform speed conveying of woven bags, an edge folding device 3-04-009 and a bag bottom sewing machine 3-06 are arranged below the first uniform speed conveying assembly, the edge folding device and the bag bottom sewing machine are conventional mechanisms, and only the functions of edge folding and bag bottom sewing can be realized, the structures of the edge folding device and the bag bottom sewing machine are not limited, any existing edge folding device and bag sewing machine capable of realizing the functions of edge folding and bag bottom are within the protection range of the invention, and the second uniform speed conveying assembly and the first conveying assembly are attached to each other, so that woven bags conveyed from the bag cutting and connecting section are uniformly variable speed conveyed by the second uniform speed conveying assembly, and then conveyed by the first conveying assembly. Specifically, the second uniform variable-speed conveying assembly comprises a pair of vertically arranged transmission shafts II 3-04-005 and a plurality of pairs of conveyor belt groups horizontally arranged on the pair of transmission shafts, the pair of transmission shafts are meshed with each other through gears 3-04-004, one of the transmission shafts is provided with a uniform variable-speed section motor II 3-04-006, and the uniform variable-speed section motor II is arranged on the module rack through a motor mounting plate II 3-04-007; the conveying belt sets are preferably three pairs, each pair of conveying belt sets comprises two conveying belt units, each conveying belt unit comprises a synchronous belt mounting assembly horizontally mounted on the transmission shaft and a uniform speed change section synchronous belt II 3-04-001 sleeved on the synchronous belt mounting assembly, and the two synchronous belts in each pair of conveying belt sets are opposite to each other and used for clamping woven bags and driving the woven bags to move. Specifically, the synchronous belt mounting assembly comprises a driving belt wheel and a driven belt wheel, the driving belt wheel is mounted on the transmission shaft and is connected with the driven belt wheel through a synchronous belt mounting plate 3-04-002, and a synchronous belt II 3-04-001 at the uniform speed change section is sleeved on the driving belt wheel and the driven belt wheel and is matched with the driving belt wheel and the driven belt wheel. Preferably, the tensioning mechanism 3-04-003 is arranged on the synchronous belt mounting plate 3-04-002.

Specifically, as shown in fig. 14 and 15, the first constant speed conveying assembly comprises a pair of transmission shafts iii 3-04-010 arranged vertically and a plurality of pairs of conveyor belt groups horizontally arranged on the pair of transmission shafts, the pair of transmission shafts are engaged with each other through gears, one of the transmission shafts is provided with a constant speed section motor i 3-04-012, and the constant speed section motor i 3-04-012 is mounted on the module rack through a motor mounting plate iii 3-04-011; the conveying belt sets are preferably three pairs, each pair of conveying belt sets comprises two conveying belt units, each conveying belt unit comprises a synchronous belt mounting assembly horizontally mounted on the transmission shaft and a constant-speed synchronous belt I3-04-008 sleeved on the synchronous belt mounting assembly, and the two synchronous belts in each pair of conveying belt sets are opposite to each other and used for clamping woven bags and driving the woven bags to move. Specifically, the synchronous belt mounting assembly comprises a driving belt wheel and a driven belt wheel, the driving belt wheel is mounted on the transmission shaft and connected with the driven belt wheel through a synchronous belt mounting plate, and a synchronous belt I3-04-008 at a constant speed section is sleeved on the driving belt wheel and the driven belt wheel and is matched with the driving belt wheel and the driven belt wheel.

As shown in fig. 15, the bag taking and opening connecting section is mounted on the module frame, and includes a second uniform-speed conveying assembly and a guard plate assembly, the second uniform-speed conveying assembly is used for horizontal uniform-speed conveying of woven bags, and the guard plate assembly is arranged above the second uniform-speed conveying assembly and used for restraining the upper ends of the woven bags from inclining. The second constant-speed conveying assembly comprises an opening and closing assembly, a pair of transmission shafts IV 3-07-002 which are vertically arranged and a pair of conveying belt groups which are horizontally arranged on the pair of transmission shafts, the pair of transmission shafts are meshed with each other through gears, one of the transmission shafts is provided with a constant-speed section motor II 3-07-001, the constant-speed section motor II 3-07-001 is installed on the module rack through a motor installation plate IV 3-07-011, the pair of conveying belt groups comprises two conveying belt units, each conveying belt unit comprises a synchronous belt installation assembly which is horizontally installed on the transmission shafts and a constant-speed section synchronous belt II 3-07-005 which is sleeved on the synchronous belt installation assembly, and two synchronous belts in each pair of conveying belt groups are opposite to each other and used for clamping woven bags and driving the woven bags to move. Specifically, the synchronous belt mounting assembly comprises a driving belt wheel and a driven belt wheel, the driving belt wheel is mounted on the transmission shaft and connected with the driven belt wheel through a synchronous belt mounting plate, and a synchronous belt II 3-07-005 at a constant speed section is sleeved on the driving belt wheel and the driven belt wheel and is matched with the driving belt wheel and the driven belt wheel. The opening and closing assembly comprises a driving air cylinder II 3-07-003 which is arranged on the module rack through an air cylinder foot support, and the driving air cylinder is connected with a synchronous belt mounting plate in the second constant-speed conveying assembly so as to drive the opening and closing of the conveyor belt group through the telescopic action of the driving air cylinder. Preferably, the transmission shaft IV 3-07-002 is provided with a tensioning mechanism 3-07-006. Specifically, the guard plate assembly comprises a cylinder mounting rack 3-07-010, a guard plate driving cylinder 3-07-009 and a guard plate group, wherein the cylinder mounting rack is mounted on the module frame, the guard plate driving cylinder is mounted on the cylinder mounting rack, a telescopic rod of the guard plate driving cylinder is connected with the guard plate group through a guard plate connecting piece 3-07-008, and the guard plate group comprises two oppositely arranged guard plates 3-07-004 which are used for restraining the upper end of a woven bag to prevent the woven bag from inclining. When the woven bag sewn with the bag bottom is conveyed from the bag folding and sewing bottom section to the bag taking and opening connecting section, the guard plate drives the cylinder 3-07-009 to extend downwards to drive the guard plate 3-07-004 to move downwards, so that the upper end of the woven bag is restrained in a gap formed by the two guard plates and cannot incline, but can move leftwards and rightwards. Specifically, the right side of the bag taking and opening connecting section is provided with a photoelectric switch 3-07-007, and the photoelectric switch 3-07-007 is installed on the module rack.

When the vertical conveying and bag bottom sewing device starts to work, a driving cylinder I3-02-004 of a bag cutting and connecting section 3-02 is in a shrinkage state, when a woven bag coil is conveyed vertically downwards from a material penetrating device from top to bottom, an air blowing pipe 3-02-012 starts to blow air to the woven bag in sequence vertically, so that the woven bag can be tightly attached to a backup plate 3-02-014 in the downwards moving process, after the woven bag reaches a specified length, the driving cylinder I3-02-004 and a pressure plate driving cylinder 3-02-009 extend, a uniform variable speed section synchronous belt I3-02-001 clamps the upper, middle and lower parts of the woven bag, a bag bottom transition pressure plate 3-02-010 compresses the bag bottom, and a hot cutter arranged in the material penetrating device works to cut off the woven bag; then, a motor I3-02-008 at a uniform variable speed section drives a synchronous belt to rotate, so that a woven bag is driven to rotate vertically to move horizontally and smoothly enters a folding and bag sewing bottom station, the moving state of the woven bag in the handover process is uniform acceleration, uniform speed and uniform deceleration, the woven bag is decelerated to be consistent with the speed of a bag sewing machine and then moves at a uniform speed (at the moment, a second bag just completes bag cutting and handover actions, continuous actions are realized, the efficiency is high), and folding and bag sewing bottom actions are completed in the process; when the woven bag with the sewn bag bottom is conveyed to the bag taking and opening connecting section 3-07, the protective plate drives the cylinder 3-07-009 to extend downwards to drive the protective plate 3-07-004 to move downwards, so that the upper end of the woven bag can be restrained in a gap formed by the two protective plates to prevent the woven bag from inclining and can move leftwards and rightwards, the woven bag moves at a constant speed in the bag taking and opening connecting section, the specific movement speed of the woven bag in each section can be selected according to actual needs, and the woven bag is not limited and is within a protection range; the woven bag continues moving rightwards, the photoelectric switch 3-07-007 is triggered, then the bag opening manipulator device is triggered to clamp the bag, the air cylinder II 3-07-003 is driven to contract, the synchronous belt is opened, and the connection is completed; after the bag opening manipulator device leaves, the driving cylinder II extends, and the synchronous belt is closed again to wait for next handover. In the whole process, the synchronous belts at the front half sections of the bag cutting and connecting section and the bag folding and sewing bottom section perform uniform acceleration-uniform velocity-uniform deceleration motion simultaneously, so that the reliable connection of the woven bag between the two is realized (namely, the connection between the second synchronous belt and the third synchronous belt is realized), the speed is uniformly decelerated to be consistent with the speed of the bag sewing machine, the uniform motion is adopted at the rear half section (the third synchronous belt) of the bag folding and sewing bottom to match the speed of the bag sewing machine, otherwise, the thread breakage occurs, and the bag opening and taking section also performs uniform motion at the same speed as the speed of the bag sewing machine to realize the connection.

The bag opening manipulator device is used for feeding woven bags sent out from the vertical conveying and bag sewing bottom device into the blanking device, opening of the woven bags is achieved, the woven bags can move back and forth between the vertical conveying and bag sewing bottom device and the blanking device, any structure capable of achieving clamping and bag opening functions in the prior art can be used as the bag opening manipulator device, specific structures of the bag opening manipulator device are not repeated and are only briefly described. As shown in figure 16, the bag opening manipulator device comprises a swing arm cylinder 12-01, a friction plate 12-02, a bag poking cylinder 12-03 and a bag opening air claw 12-04, wherein the friction plate 12-02 is adhered to the air claw of the bag poking cylinder 12-03, the bag poking cylinder 12-03 is arranged on the bag opening air claw 12-04 and pushed by the bag opening air claw, and the swing arm cylinder 12-01 controls opening and closing of the whole manipulator. The cut woven bag coil stock is conveyed through a vertical conveying bag bottom sewing device, the edge folding and bag bottom sewing are carried out through a hemmer and a bag bottom bag sewing machine in the conveying process, the manufactured woven bag is connected at the tail end of the vertical conveying bag bottom sewing device through a bag opening manipulator device and then moves towards the position right below a material device, a bag opening air claw 12-04 is extended in the moving process to enable a bag poking air cylinder 12-03 to be inserted into the woven bag, a friction plate 12-02 located on the air claw clamps the edge of the bag opening, then the bag poking air cylinder 12-03 contracts to clamp the bag opening, the bag opening air claw 12-04 contracts, and the bag opening process is completed.

As shown in fig. 17, the blanking device includes a material assembly, two clamping assemblies and a leveling assembly, the material assembly includes a hopper and hopper doors 13-01, specifically two hopper doors, which are disposed below the hopper, the clamping assemblies include two groups, which are disposed on two sides of the hopper, each group of clamping assemblies includes a bag clamping cylinder 13-03 and bag clamping claws 13-04 connected to the clamping cylinder, the bag clamping claws 13-04 are used for clamping the bag mouth of the woven bag, and the leveling assembly is also provided with two groups for pushing the clamping assemblies to move horizontally to level the bag mouth of the woven bag. The leveling component is specifically a leveling cylinder 13-02 arranged on the hopper, the leveling cylinder 13-02 is connected with the bag clamping cylinder 13-03 through a connecting plate, the bag clamping cylinder 13-03 and the bag clamping claw 13-04 are driven to move horizontally through the extension and contraction of the leveling cylinder 13-02, preferably, a sliding rod is arranged on the hopper, and a pulley which is in sliding fit with the sliding rod is arranged on the bag clamping cylinder 13-03. When the bag opening manipulator device is used, the bag clamping cylinder 13-03 contracts after the woven bag with the opened bag opening is placed under the hopper, the bag clamping claws 13-04 clamp two sides of the bag opening of the woven bag, the swing arm cylinder 12-01 extends, and the manipulator is opened and returns to the vertical conveying bag bottom sewing device; then the hopper doors 13-01 are opened for blanking, in the invention, the hopper doors 13-01 are opened through the connecting rods, so that the opening synchronization of the two hopper doors 13-01 is ensured, the materials falling into the woven bags are uniformly distributed, and the woven bags are favorably transported on the finished product conveyor belt 8; after the blanking is finished, the hopper door 13-01 is closed, and meanwhile, the leveling cylinder 13-02 extends to enlarge the distance between the two bag clamping claws 13-04 to level the opening of the woven bag.

As shown in fig. 18, in order to ensure reliable conveying of the woven bags filled with the materials, the packaging machine of the present invention is further provided with a flattening clamping device 8, the flattening clamping device comprises a flattening clamping assembly and a horizontal driving assembly, the flattening clamping assembly is provided with two groups, the two groups of flattening clamping assemblies are arranged oppositely, each group of flattening clamping assembly comprises a connecting rod 08-03, and a clamping arm cylinder 08-04, a holding plate 08-02 and a pressing plate cylinder 08-01 which are arranged on the connecting rod, the pressing plate cylinder 08-01 is arranged at the upper end of the connecting rod and is connected with a pressing plate, the lower end of the connecting rod and the clamping arm cylinder are arranged on a roller mounting rack 10-02, and rollers on the roller mounting rack 10-02 are in sliding fit with a horizontally arranged guide rail 10-01 arranged on the machine frame 1; the horizontal driving assemblies are also provided with two groups, and each group of horizontal driving assemblies is connected with the corresponding roller mounting rack in the flattening clamping assembly. Preferably, the horizontal driving assembly is of a crank-slider structure and comprises a crank 10-03, a commutator 10-04 and a crank motor 10-05 which are connected with each other, and the crank 10-03 is connected with the roller mounting frame 10-02. After the bag mouth of the woven bag filled with the materials is leveled, the clamping arm cylinder 08-04 extends, the holding plate 08-02 is horizontally pushed out through the connecting rod 08-03 to tightly hold the middle part of the woven bag, and meanwhile, the pressing plate cylinder 08-01 extends to tightly press the lower part of the bag mouth of the woven bag; then, under the driving of a crank motor 10-05, power is transmitted to the crank 10-03 through the commutator 10-04 to drive the crank to move, so that the roller mounting rack 10-02 moves along the guide rail 10-01, and the cranks on the two sides adopt the same power, so that the synchronism of the flattening and clamping device in the process of clamping and moving the woven bag is ensured. Of course, horizontal driving assemblies in other structural forms can be adopted, and only the roller mounting rack can be driven to move.

As shown in fig. 19, the transitional folding device includes a transitional wheel assembly and a folding assembly, the transitional wheel assembly includes two sets of transitional wheel sets and a transitional opening cylinder 14-01 opposite to each other, a plurality of transitional wheels in the same transitional wheel set are mounted on the same transitional wheel mounting plate and located on the same horizontal plane, the transitional wheel surfaces in the two sets of transitional wheel sets are opposite to each other, the woven bag is clamped and driven to move by the transitional wheels in the two sets of transitional wheel sets, and the transitional opening cylinder 14-01 is connected with one of the transitional wheel mounting plates to drive the transitional wheel mounting plate to move relative to the other transitional wheel mounting plate; the edge folding assembly comprises an edge folding device 14-03 and an edge folding device cylinder 14-02, and the edge folding device 14-03 is positioned above the two sets of transition wheel sets and is driven by the edge folding device cylinder 14-02 to fold the opening of the woven bag. When the flattening clamping device clamps the woven bag and moves, the transitional opening cylinder 14-01 extends two sets of transitional wheel sets to be separated, when the woven bag is fed between the two sets of transitional wheel sets, the transitional opening cylinder 14-01 contracts the two sets of transitional wheel sets to be closed, and then the hemmer cylinder 14-02 pushes the hemmer 14-03 to hem the bag opening. The sewing device is a conventional mechanism, the structure of the sewing device is not limited, any existing bag sewing machine capable of realizing bag opening sewing is within the protection scope of the invention,

in order to realize labeling in the packaging process, the packaging machine is also provided with a labeling device 9, as shown in fig. 20, the labeling device comprises a label 15-01, a label box 15-02, a sucker 15-03, a label shifting block 15-04, a label receiving cylinder 15-05, a label taking cylinder 15-06, a rotary cylinder 15-07 and a label containing box 15-08. When the woven bag which is flanged by the transition flanging device passes through a station of the labeling device, the label taking cylinder 15-06 extends to drive the sucker 15-03 on the label taking cylinder to suck the label 15-01 in the label box 15-02 and take the label out of the label box 15-02, the rotary cylinder 15-07 positioned below the label taking cylinder 15-06 rotates for 90 degrees to send the label 15-01 to the front of the label shifting block 15-04, then the label receiving cylinder 15-05 contracts to compress the label 15-01, then the label shifting block 15-04 pushes the label to the flanging position of the bag opening of the woven bag, the label and the woven bag enter a sewing and packaging station to sew the bag opening, and finally the woven bag is continuously conveyed to a rear stacking system to be stacked, so that the whole material package is completed. In order to facilitate the conveying of the woven bags, a finished product conveying belt 10 is arranged from the station of the blanking device to the station of the sewing device, so that the woven bags can be conveyed reliably and stably.

Briefly explaining the working process of the invention, as shown in fig. 21, the woven bag coil is uncoiled and penetrated by the penetrating device, the woven bag is vertically fed into the vertical conveying and bag bottom sewing device from top to bottom, cut off by the cutter after being fed for a certain length, then conveyed by the vertical conveying and bag bottom sewing device, and folded and sewn by the folder and the bag bottom sewing machine in the conveying process, so that the whole woven bag making process is completed; the manufactured woven bag is delivered by a bag opening manipulator device at the tail end of the vertical conveying bag bottom sewing device and then moves towards the position under the hopper, the bag opening manipulator device grips the woven bag and opens the bag in the process of moving towards the position under the hopper, the bag opening manipulator device sleeves the opened woven bag on the hopper after the woven bag reaches the position under the hopper, then blanking is carried out, and the bag opening manipulator device returns to a delivery station at the tail end of the vertical conveying bag bottom sewing device; after blanking is finished, the bag opening and the bag body are clamped tightly by the flattening clamping device, the bag opening is smoothed by the transition edge folding device under the driving of the driving assembly and folded, the flattening clamping device is loosened to be back to the position under the hopper, the woven bag filled with materials is continuously conveyed forwards on the finished product conveyor belt 10, the labels are pushed to the bag opening to enter a bag sewing and placing station together for bag sewing when passing through a station of the labeling device, and finally the labels are continuously conveyed to a rear stacking system by the finished product conveyor belt for stacking, so that the whole material packaging is completed.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a non-tectorial membrane system bag packagine machine, its characterized in that includes frame (1) and sets gradually feed trough device (2), vertical transport seam bagging-off device (3), division of bag manipulator device (4), doffer (5), transition hem device (6) and the seam packing in this frame put (7), wherein: the material penetrating device (2) is used for penetrating the woven bags and conveying the woven bags into the vertical conveying and bag bottom sewing device from the vertical direction, the vertical conveying and bag bottom sewing device (3) is used for conveying the woven bags from the vertical direction to the horizontal direction and sewing edges of the bag bottoms of the woven bags, the bag opening manipulator device (4) is used for conveying the woven bags with sewn bag bottoms into the blanking device from the vertical conveying and bag bottom sewing device and opening the woven bags, the blanking device (5) is used for feeding the opened woven bags, and the transition edge folding device (6) and the bag sewing device (7) are used for sequentially folding and sewing edges of the bag openings of the fed woven bags;

the material penetrating device comprises an integral rack (7-1), and a feeding unit (1-1), an unreeling unit (2-1) and a conveying material penetrating unit which are sequentially arranged on the integral rack (7-1) from left to right, wherein the feeding unit (1-1) is used for feeding and unloading woven bags, and the unreeling unit (2-1) is used for unreeling the woven bags; the conveying and material penetrating unit is used for conveying and penetrating woven bags and comprises a conveying assembly (3-1), a material penetrating assembly (4-1) and a driving assembly (5-1), wherein the conveying assembly (3-1) comprises a horizontally arranged deflecting idler roller (301) and a horizontally arranged floating roller (302), two ends of the deflecting idler roller (301) are installed on the integral rack (7-1), two ends of the floating roller (302) are hinged with the integral rack (7-1) through side end supporting plates (303), so that the floating roller (302) can float up and down, the deflecting idler roller (301) and the floating roller (302) are parallel to each other, and chain wheels are installed at two ends of the deflecting idler roller (301) and the floating roller (302); the material penetrating assembly (4-1) comprises a material penetrating driving piece and a plurality of material penetrating rollers which are horizontally arranged and are parallel to the deflection idler roller (301), chain wheels are arranged at two ends of each material penetrating roller, the deflection idler roller (301), the floating roller (302) and the chain wheels which are positioned on the same side of the material penetrating rollers are matched with a chain to form a circularly closed material penetrating path, and flexible connecting plates (403) used for connecting woven bags are arranged on the two chains matched with the chain wheels at two ends of the deflection idler roller (301); the driving assembly (5-1) is arranged between two of the material passing rollers and comprises a main driving roller (502), a driven roller (503) and a driving roller driving part for driving the main driving roller to rotate;

the vertical conveying and bag sewing device comprises a module rack (3-01) and a bag cutting and connecting section (3-02), a bag folding and sewing bottom section (3-04) and a bag taking and opening and connecting section (3-07) which are sequentially arranged on the module rack (3-01) from left to right, wherein the bag cutting and connecting section comprises a first uniform variable speed conveying assembly, an opening and closing assembly, an air blowing assembly and a bag pressing assembly, the first uniform variable speed conveying assembly comprises a pair of vertically arranged transmission shafts and a plurality of pairs of conveying belt groups horizontally arranged on the pair of transmission shafts, a backup plate is arranged between each pair of conveying belt groups, the opening and closing assembly is arranged on the module rack and used for realizing synchronous opening and closing of the plurality of pairs of conveying belt groups, the air blowing assembly is arranged on the module rack and used for enabling woven bags to be attached to a plane formed by the backup plate and the conveying belt groups in the conveying process, and the bag pressing assembly is arranged on the module rack and used for pressing the bottoms of the woven bags; the folding and bag sewing bottom section comprises a second uniform variable speed conveying assembly and a first uniform speed conveying assembly, the second uniform variable speed conveying assembly is used for realizing horizontal uniform variable speed conveying of woven bags, the first uniform speed conveying assembly is used for realizing horizontal uniform speed conveying of the woven bags, and a folding device and a bag bottom sewing machine are arranged below the first uniform speed conveying assembly; the bag taking and opening connecting section comprises a second constant-speed conveying assembly and a guard plate assembly, the second constant-speed conveying assembly is used for realizing horizontal constant-speed conveying of woven bags, and the guard plate assembly is arranged above the second constant-speed conveying assembly and used for restraining the upper ends of the woven bags from inclining;

the pair of transmission shafts are meshed with each other through gears, one transmission shaft is provided with a motor with a uniform speed change section, the number of the transmission belt groups is three, each pair of transmission belt groups comprises two transmission belt units, each transmission belt unit comprises a synchronous belt mounting assembly horizontally mounted on the transmission shaft and a synchronous belt sleeved on the synchronous belt mounting assembly, and the two synchronous belts in each pair of transmission belt groups are opposite to each other and used for clamping woven bags and driving the woven bags to move; the opening and closing assembly comprises a driving cylinder and a connecting frame, the driving cylinder is mounted on the module rack through a cylinder foot support, a telescopic rod of the driving cylinder is connected with the connecting frame, the connecting frame is connected with synchronous belt mounting assemblies positioned on the same side in the plurality of pairs of conveying belt groups, and therefore the synchronous opening and closing of the plurality of pairs of conveying belt groups are driven through the telescopic action of the driving cylinder; the air blowing assembly comprises an air blowing pipe mounting frame arranged on the module rack and an air blowing pipe arranged on the air blowing pipe mounting frame; the bag pressing assembly comprises a bag bottom transition pressing plate and a pressing plate driving cylinder arranged on the module rack, and the bag bottom transition pressing plate horizontally moves back and forth under the action of the pressing plate driving cylinder; the protective plate assembly comprises a cylinder mounting frame, a protective plate driving cylinder and a protective plate group, the cylinder mounting frame is mounted on the module frame, the protective plate driving cylinder is mounted on the cylinder mounting frame, a telescopic rod of the protective plate driving cylinder is connected with the protective plate group through a protective plate connecting piece, the protective plate group comprises two protective plates which are arranged oppositely and used for restraining the upper end of the woven bag to prevent the woven bag from inclining;

the packaging machine is further provided with a flattening clamping device (8), the flattening clamping device comprises flattening clamping components and horizontal driving components, the flattening clamping components are provided with two groups, each group of flattening clamping components comprises a connecting rod (08-03), and a clamping arm cylinder (08-04), a holding plate (08-02) and a pressing plate cylinder (08-01) which are installed on the connecting rod, the pressing plate cylinder (08-01) is connected with a pressing plate, the connecting rod and the clamping arm cylinder are installed on a roller installation frame (10-02), and the roller installation frame (10-02) is in sliding fit with a horizontally arranged guide rail (10-01) which is arranged on the rack (1); the horizontal driving assemblies are also provided with two groups, and each group of horizontal driving assemblies is connected with the corresponding roller mounting rack in the flattening clamping assembly.

2. The non-film-covering bag-making and packaging machine according to claim 1, wherein the feeding unit (1-1) comprises an inflatable shaft (102), a supporting arm (103) and a feeding cylinder (104), the inflatable shaft (102) is used for installing a woven bag (101), the woven bag passes through the inflatable shaft when the inflatable shaft is not inflated, then the woven bag is connected with the inflatable shaft by inflating the inflatable shaft, the inflatable shaft is connected with one end of the supporting arm through a bearing, the other end of the supporting arm is installed on the integral frame, the feeding cylinder is installed on the integral frame and connected with the supporting arm, and therefore the feeding and discharging of the woven bag are achieved by controlling the up-and-down movement of the supporting arm through the expansion and contraction of the feeding cylinder; the unreeling unit (2-1) comprises a sliding guide rail assembly, unreeling rollers (206) and compressing rollers (202), wherein the sliding guide rail assembly comprises two groups of sliding guide rail sub-assemblies with the same structure, each group of sliding guide rail sub-assemblies comprises a sliding guide rail (205) connected with the whole rack, a sliding side plate in sliding fit with the sliding guide rail and a compressing cylinder (204) driving the sliding side plate to move up and down, two ends of each unreeling roller (206) are connected with the whole rack, chain wheels in chain fit with chains are arranged at two ends of each unreeling roller, the compressing rollers (202) are arranged above the unreeling rollers (206), and two ends of each compressing roller are connected with the sliding side plates in the two groups of sliding guide rail sub-assemblies respectively, so that the compressing and opening of the compressing rollers on the unreeling rollers are controlled through the expansion and contraction of the compressing cylinders.

3. The non-film-coated bag making and packaging machine according to claim 1, wherein the material passing driving member comprises a sprocket driving shaft (405) and a sprocket driving source (411) for driving the sprocket driving shaft to rotate, and both ends of the sprocket driving shaft (405) are provided with sprockets engaged with chains; the chain wheels arranged at the two ends of the floating roller (302) are sector chain wheels.

4. The non-film covered bag making and packaging machine as claimed in claim 1, wherein said back plate comprises a U-shaped side and upper and lower flanges disposed at the opening of the U-shaped side, wherein said upper flange is turned up and is perpendicular to the upper surface of the U-shaped side and forms a first groove structure with the upper surface of the U-shaped side, and said lower flange is turned down and is perpendicular to the lower surface of the U-shaped side and forms a second groove structure with the lower surface of the U-shaped side; the conveyor belt units at the inner side in each pair of conveyor belt groups are placed in the first groove structures or the second groove structures of the backup plates, and the outer surfaces of the conveyor belts in the inner conveyor belt units are coplanar with the outer surfaces of the U-shaped side edges.

5. The non-film-covering bag making and packaging machine according to any one of claims 1 to 4, wherein the blanking device comprises a material assembly, a clamping assembly and a leveling assembly, the material assembly comprises a hopper and a hopper door (13-01) arranged below the hopper, the clamping assembly comprises two groups which are respectively arranged at two sides of the hopper, each group of clamping assembly comprises a bag clamping cylinder (13-03) and a bag clamping claw (13-04) connected with the bag clamping cylinder, the bag clamping claw (13-04) is used for clamping the bag opening of the woven bag, and the leveling assembly is also provided with two groups for pushing the clamping assembly to move horizontally to level the bag opening of the woven bag.

6. The non-film bag-making and packaging machine according to claim 1, wherein the transition flanging device comprises a transition wheel assembly and a flanging assembly, the transition wheel assembly comprises two sets of transition wheel sets and a transition expanding cylinder (14-01) which are opposite to each other, transition wheels in the same transition wheel set are mounted on the same transition wheel mounting plate, and the transition expanding cylinder (14-01) is connected with one of the mounting plates; the flanging assembly comprises a flanging device (14-03) and a flanging device cylinder (14-02), and the flanging device (14-03) is positioned above the two sets of transition wheel sets.