CN217146642U - Shopping bag folding machine - Google Patents

Abstract

The utility model discloses a shopping bag folding machine, including frame, handle folding device, afterbody folding device, its characterized in that: a bag folding mechanical arm device is also arranged between the handle folding device and the tail folding device; the handle folding device comprises a pushing and folding plate mechanism, a pressing plate mechanism, a template mechanism and a lifting platform mechanism; when the handle folding device folds the handle part of the shopping bag, the bag folding mechanical arm clamps the position of a secondary folding line of the shopping bag at the rear end of the pushing and folding plate to form secondary folding, and then the shopping bag is transferred to the tail part folding device under the driving of the conveying driving mechanism, so that the folding work of the shopping bag is divided into two working surfaces of handle folding and tail part folding, and the folding speed and the working efficiency are improved. The utility model discloses simple structure, job stabilization is reliable.

Description

Shopping bag folding machine

Technical Field

The utility model relates to a shopping bag folding machine.

Background

The utility model relates to a shopping bag, which is a portable convenient bag with two handles commonly used in daily life, also called vest bag and vest bag. For storage, sale and transportation, the shopping bags produced by the bag making machine and the notching machine are folded for a plurality of times, finally folded into rectangular plate-shaped bodies and then bundled.

For folding the shopping bag, the folding of the shopping bag comprises handle folding, secondary folding and tail folding. The folding of the handles is to fold the two handles of the shopping bag towards the middle, which is also called as the first folding, the second folding and the tail folding are carried out after the first folding, the fourth folding is also carried out for the tail folding of the shopping bag with longer length, and the tail folding refers to the last folding. The prior shopping bags are all produced by taking plastic particles as raw materials, and are relatively easy to fold. Since 2021 month, the related national departments propose plastic forbidden orders, limit the production and sale of traditional plastic shopping bags, and advocate the use of degradable shopping bags. Compared with the traditional plastic shopping bag, the degradable shopping bag has the advantages that the bag body is soft, the specific gravity is high, and the difficulty is high when the degradable shopping bag is folded.

The shopping bag folding machine in the market at present generally comprises a handle folding device, a second folding device and a tail folding device, but the handle folding device, the second folding device and the tail folding device are close to each other, the shopping bag is conveyed to cover the three folding devices, then the shopping bag is folded in the order of handle folding, second folding and tail folding, and only after the whole shopping bag is completely folded and the folded shopping bag is moved away, the next stack of shopping bag can be conveyed to cover the folding device, so that the next folding can be carried out. When the handle is folded and folded for the second time, the tail folding device is in a standby and waiting state, and after the handle is folded and folded for the second time, the handle folding device is in an intermittent idle state. Therefore, the folding speed is slow, 10 seconds are needed for folding the shopping bag once, and the efficiency is low. With the continuous progress of the technology, the bag making speed of the bag making machine is gradually increased, and the existing folding machine cannot adapt to the speed and the bag making efficiency of the bag making machine. Related laws and regulations are set by related departments such as national development and improvement committee, firstly, degradable materials are required to be adopted for producing the shopping bags, and secondly, the traditional ultrathin plastic bags produced by plastic raw materials are required to be changed into national standard shopping bags with the thickness being increased to 0.025 mm, and the thickness of the traditional ultrathin plastic bags is increased by three times so as to facilitate the repeated recycling of the shopping bags. However, the degradable shopping bag or the thickened national standard shopping bag can greatly increase the cost of the shopping bag and reduce the using amount of the shopping bag. Therefore, every 100 shopping bags are used as a stack, and at present, 30 shopping bags are folded as a stack, and the speed of the shopping bag folding machine is required to be increased by three times under the condition that the speed of the bag making machine is not changed. Therefore, the national laws and regulations and related policies about shopping bags make the market place new requirements on the folding speed and efficiency of shopping bag folding machines.

Along with the change of market demand, some shopping bag folder manufacturers try to separately arrange a handle folding device and a second folding device of the shopping bag folder, the handle folding devices clamp the shopping bag to move towards the tail folding device after two handles of the shopping bag are folded, the second folding is completed through a rotating shaft or a turnover plate in the moving process, the shopping bag is conveyed to the working position of the tail folding device, the movement of the handle folding device is a reciprocating process, and the handle folding device cannot be used for next handle folding in the conveying process, so that the effect is not large in the aspect of improving the folding speed. In the process that the shopping bag is transferred to the tail folding device by the handle folding device, the tail part of the shopping bag is in a falling state, and the weight of the shopping bag overcomes the clamping force of the pressing plate to enable the handle part which is folded originally to be shifted and deformed, so that the folding stability is influenced; and the second folding is realized by pushing and pulling the vertical bag body part forwards through the blocking of the blocking rod or the turnover plate, the pushing and pulling can generate a force of pulling forwards, the second folding and the handle folding are easy to shift, the second folding and the handle folding cannot be carried out according to the preset folding line position, and the folded shopping bag is not regular enough.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a shopping bag folding machine is characterized in that a bag folding mechanical arm device is arranged between a handle folding device and a tail folding device, the handle folding and the tail folding of a shopping bag are divided into two working faces to be carried out, and the shopping bag folding machine is simple in structure and high in efficiency.

In order to realize the technical purpose, the technical proposal of the utility model is that: the utility model provides a shopping bag folder, includes frame, handle folding device, afterbody folding device, its characterized in that: handle folding device and afterbody folding device between still be equipped with and roll over a bag manipulator device, roll over a bag manipulator device and include manipulator and conveying actuating mechanism, the manipulator connect on conveying actuating mechanism, handle folding device including pushing away a folding plate mechanism, clamp plate mechanism, template mechanism, lift platform mechanism, push away a folding plate mechanism include left push pedal and right push pedal, push pedal actuating mechanism, left push pedal and right push pedal dislocation set from top to bottom, connect respectively push pedal actuating mechanism on, clamp plate mechanism contain clamp plate and clamp plate actuating mechanism, set up in the top that pushes away a folding plate mechanism, lift platform mechanism include platform and elevating system, set up in the rear that pushes away a folding plate mechanism, template mechanism include trapezoidal template and telescopic machanism, set up the bottom surface of platform.

The manipulator comprises a pneumatic manipulator, a mechanical clamp and other embodiments, is used for clamping the shopping bag from the handle folding device at the position of a second folding line of the shopping bag to form a second folding, and conveys the shopping bag to the position of the tail folding device under the driving of the conveying driving mechanism of the manipulator. The pneumatic manipulator or the mechanical clamp belongs to the known technology and is various, and the method is not exemplified here. The folding manipulator device is called as a bag folding manipulator device because in the technical scheme, the manipulator not only has the function and the function of clamping the shopping bag, but also participates in the folding work of the shopping bag, and has the double functions of folding and clamping the shopping bag.

As a preferred technical solution, the conveying driving mechanism includes an electric sliding table. The electric sliding table is also called a linear module and consists of a motor, a guide rail, a sliding table or a belt conveying mechanism, and has multiple implementation modes such as double-rail synchronous driving, I-shaped and I-shaped modes.

The electric sliding table has more substitution modes, such as: air cylinder, electric cylinder, belt transmission mechanism and guide rail slide block, etc.

Preferably, the tail folding device comprises a supporting plate, a plate inserting mechanism and a clamping plate mechanism (including a clamping mechanism). The plate inserting mechanism corresponds to the plate clamping mechanism up and down, and the supporting plate is arranged on one side of the plate clamping mechanism.

As a further improvement, the supporting plate is also provided with an abdicating notch. The abdicating notch corresponds to the lower clamping jaw of the manipulator up and down and is used for loosening and resetting the lower clamping jaw of the manipulator. The tail folding device belongs to the prior art, and can refer to the publication number as follows: the patent applications of CN110040284A, or 109850290a, are not repeated herein.

The left push plate and the right push plate are respectively connected to respective driving mechanisms, the left push plate and the right push plate are arranged one above the other and staggered up and down and are positioned below the pressing plate, and the left push plate and the right push plate can be pushed to the middle from the left side and the right side below the trapezoidal pressing plate under the driving of the respective driving mechanisms.

The push plate driving mechanism comprises a cylinder, an electric sliding table, a sliding table cylinder and other various implementation modes.

The left push plate and the right push plate are arranged in a staggered mode from top to bottom, the rear ends of the left push plate and the right push plate are arranged in a straight line, and the positions corresponding to the rear ends of the left push plate and the right push plate are the positions of the second folding lines of the shopping bags.

As the preferred technical scheme, the left push plate and the right push plate are respectively provided with a push plate abdicating notch.

The pressing plate is connected to the pressing plate driving mechanism, the pressing plate driving mechanism comprises a telescopic driving mechanism and an up-and-down driving mechanism, the pressing plate can extend out from front to back or stretch out from left to right under the driving of the telescopic driving mechanism, and the pressing plate moves downwards under the driving of the up-and-down driving mechanism after extending out to press and fix the shopping bag on the platform, so that the shopping bag is compacted and fixed.

The pressing plate has a plurality of implementation modes, can be stretched back and forth or stretched left and right, can be arranged on one or two of the left and right pressing plates, and is arranged on two sides of the upper surface of the left pushing plate or the right pushing plate to stretch from the left and right sides to the middle.

As a preferable technical scheme, the telescopic driving mechanism is a guide rod air cylinder. As the telescopic driving mechanism, there are many embodiments such as: a slide cylinder, an electric slide, and the like.

The up-and-down driving mechanism comprises a guide rod cylinder.

As another embodiment of the up-and-down driving mechanism, the up-and-down driving mechanism comprises a rotating shaft and a rocker arm, the rocker arm is arranged on the rotating shaft, the other end of the rocker arm is connected with an air cylinder, a guide rod air cylinder of the telescopic driving mechanism is arranged on the rotating shaft, and the rocker arm is pulled by the air cylinder to enable the guide rod air cylinder and the rear end of the pressing plate to swing up and down, so that the technical purpose of pressing and fixing the shopping bag on the platform is achieved.

According to a preferable technical scheme, a pressing plate abdicating notch is further formed in the position, corresponding to the front and the back of the bag folding manipulator, of the rear side of the pressing plate. The pressing plate abdicating notch can correspond to the pushing plate abdicating notch arranged on the pushing plate up and down, and is used for the mechanical arm to clamp the shopping bag and form a second folding for the shopping bag.

The platform is a plate-shaped body, the lifting mechanism can be a guide rod cylinder or an electric sliding table, the platform is connected to the lifting mechanism, and the platform can reciprocate up and down under the driving of the lifting mechanism. The rear part of the shopping bag used for lifting and bearing the shopping bag when the platform moves upwards to the top dead center, and the rear part of the shopping bag which is originally positioned on the platform (namely the part behind the second folding line) can droop due to losing the support and lifting after the platform moves downwards, so that the shopping bag forms an L-shaped state.

The trapezoidal template is a flat plate with a trapezoidal front part, the front part of the trapezoidal template is splayed and corresponds to the two handle folding lines, and the trapezoidal template is arranged on the bottom surface of the platform, can move up and down along with the platform and also can perform front and back telescopic motion relative to the platform under the driving of the telescopic mechanism.

As the preferred technical scheme, the telescopic mechanism is an electric sliding table, the electric sliding table is arranged on the bottom surface of the platform, and the trapezoidal template is connected to a sliding seat of the electric sliding table. There are many alternatives to the electric slide, such as: guide rod cylinder, double-rod cylinder, slip table cylinder, straight line module etc..

As a preferable technical scheme, a folding plate turnover mechanism is arranged behind the lifting platform mechanism and is used for folding shopping bags with longer length for the fourth time. The folding plate turnover mechanism comprises a rotating shaft, a swinging cylinder and a turnover plate, wherein the swinging cylinder is connected to one end of the rotating shaft, the turnover plate is installed on the rotating shaft, and when the swinging cylinder drives the rotating shaft to rotate, the turnover plate can swing back and forth along with the rotating shaft to turn over the tail part of the shopping bag backwards.

The folding plate turnover mechanism can be replaced by a push-folding rod mechanism, the push-folding rod mechanism comprises a push-folding rod and a driving mechanism, the push-folding rod can be a cylindrical or other type rod-shaped body or a plate-shaped body, the push-folding rod is arranged on the driving mechanism from left to right, the driving mechanism is arranged on the rack, and the push rod can push and fold the tail part of the shopping bag backwards onto the bag body folding device under the driving of the driving mechanism. In the technical scheme, the folding and copying mechanism or the push rod mechanism is adopted, and the function and the effect are basically equivalent.

As a preferred technical scheme, the turning plate is further provided with a turning plate abdicating notch at a position corresponding to the manipulator.

Preferably, the manipulator is further provided with an up-and-down driving mechanism. The upper and lower driving mechanism comprises a guide rod cylinder for driving the manipulator to reciprocate up and down, the manipulator is connected to the guide rod cylinder, the guide rod cylinder is connected to the cross beam, and the cross beam is connected to the electric sliding table.

As a preferred technical scheme, the manipulator comprises an upper clamping jaw and a lower clamping jaw, wherein the upper clamping jaw can be made into a plate-shaped body, and the lower pressing jaw can swing back and forth by 180 degrees; the lower pressing claw of the robot hand may be shorter than the upper pressing claw. After the mechanical arm places the shopping bag on the tail folding device, the lower pressing claw is opened quickly to put the shopping bag down on the tail folding device, then the mechanical arm can be lifted and moved forwards to a position where the front end of the upper clamping claw vertically corresponds to the fourth folding line of the shopping bag below, and then the mechanical arm is driven by the guide rod cylinder to move downwards, so that the front end of the upper clamping claw presses the position of the fourth preset folding line of the shopping bag on the clamping plate mechanism or the supporting plate. When the folding is carried out at the position, the front end of the pressing claw on the manipulator presses the position, and the pressed position is the position of the fourth folding line preset by people, so that the folding position and the position of the preset folding line are determined and controlled.

As a further improvement, the mechanical arms can be provided with a plurality of groups, the upper clamping jaws of the mechanical arms can be connected together to form a rectangular plate-shaped body, and the upper clamping jaws of the plate-shaped body are provided with clamping jaw abdicating notches, so that the mechanical arms can conveniently clamp shopping bags on the handle folding device and can conveniently withdraw from the shopping bags folded for the fourth time to reset.

The beneficial effects of the utility model reside in that: firstly, a bag folding manipulator device is arranged between a handle folding device and a tail folding device, so that a shopping bag after the handle is folded on the handle folding device can be conveyed to the tail folding device, and the shopping bag can be folded for the second time at a second folding line position when the bag folding manipulator device clamps the shopping bag on the handle folding device; after the shopping bags are conveyed to the tail folding device, the tail folding device enters a working state in advance, and the shopping bags on the handle folding device can be immediately folded by meeting the handle of the next shopping bag after being taken away. Therefore, the whole shopping bag folding machine is divided into two working surfaces of handle folding and tail folding, and the folding speed and the working efficiency are improved. After the shopping bags are conveyed to the tail folding device by the bag folding manipulator device, the manipulator can be lifted and moved forwards, so that the front end of an upper clamping jaw of the manipulator is pressed at the position of a fourth folding line, and the position of the folding line is pressed at the position of the fourth folding line when the shopping bags are folded, the position of the folding line is stable and controllable, and the second folding line and the fourth folding line can be kept parallel and the position of the folding line is controllable, so that the folded shopping bags are regular in appearance and are smooth and elegant; the design has simple structure and stable operation. Thirdly, for the folding of the degradable shopping bag advocated and pushed by the present and future countries, the clamping and conveying of the mechanical arm are reduced compared with the conveying of the shopping bag to the bag body folding device by the handle folding device, the amplitude of the drooping part at the back of the shopping bag is reduced, and the clamping is carried by the mechanical arm from the upper side and the lower side at the position of the second folding line, so that the clamping does not cause the back part of the shopping bag to generate a forward pulling force, the folding place is the position of the preset folding line, and the contact surface with other structures below can be reduced in the process of moving backwards, thereby improving the folding stability, enabling the technical scheme to realize automatic folding of the degradable shopping bag with large contrast and soft bag body, and providing equipment and technical support for the popularization of the degradable bag.

Drawings

Fig. 1 is a schematic front side view of the structure principle of the embodiment of the present invention;

fig. 2 is a schematic top view of the structure principle of the embodiment of the present invention;

FIG. 3 is a schematic view of the structure of the shopping bag;

FIG. 4 is a schematic view showing the folded shopping bag after the handle;

FIG. 5 is a schematic view showing the shopping bag after being folded for the second time;

FIG. 6 is a schematic view showing the shopping bag after being folded for the fourth time;

FIG. 7, FIG. 8, FIG. 9 are schematic top views of the folding operation of the handle;

fig. 10, 11 and 12 are right side schematic views of the folding working principle of the handle;

FIG. 13 is a schematic side elevational view of the folding of the handle;

FIG. 14 is a schematic top view of the working principle of the second fold;

FIG. 15 is a front side schematic view of the second fold operation principle;

fig. 16, 17, 18 and 19 are schematic top views of the working steps of tail folding.

In the figure: 1-a frame; 2-an electric sliding table; 21-left push plate; 22- -right push plate; 23- -push plate abdication gap; 3- -pressing plate; 31- -guide rod cylinder; 32- -guide rod cylinder; 33- -pressing plate abdication gap; 4-trapezoidal template; 41- -guide rod cylinder; 5- -a platform; 51- -guide rod cylinder; 6- -a clamping plate mechanism; 61-a board inserting mechanism; 62- -folding flap; 63-a turnover plate abdication gap; 64- -a pallet; 65- -the pallet abdication gap; 7- -a manipulator; 71- -upper jaw; 72- -lower jaw; 73- -Linear module; 74- -beam; 75- -guide rod cylinder; 8, forming a plastic bag; 81-handle fold lines; 82- -second fold line; 83-tail fold line; 84- -fourth fold line; 85- -handle.

Detailed Description

In order to fully disclose the technical solution of the present invention, the following embodiment is specifically described with reference to fig. 1 to 19 of the accompanying drawings. In the description of the present invention, the left side of the attached drawing fig. 1 is the front side of the present invention, the right side of the attached drawing is the back side, and the lower side and the upper side of the attached drawing are the left and right directions of the present invention. As shown in fig. 3, 4, 5, and 6: the shopping bag of the utility model is a portable shopping bag with two handles 85, and the shape is shown in figure 1; firstly, two handles 85 are folded towards the middle along the handle folding lines 81 to form a state shown in fig. 4; then folded once again at the position of the second folding line 82 to form the state shown in fig. 5; for some long shopping bags, a fourth folding is needed, namely, the shopping bag is folded once in the direction of the handle at the position of a fourth folding line 84 to form a state shown in fig. 6; and then folded once again at the location of the third fold line 83.

Example (b): as shown in fig. 1 to 19, the bag folding manipulator device includes a manipulator 7 and a linear module 71; push away the folded plate mechanism and include: the electric sliding table 2, a left push plate 21 and a right push plate 22; the pressure plate mechanism includes: the pressing plate 3, the guide rod cylinder 31 and the guide rod cylinder 32; the template mechanism includes: the trapezoidal template 4 and the guide rod cylinder 41; the lift platform mechanism includes: platform 5, guide rod cylinder 51; the tail folding device comprises: a clamping plate mechanism 6, a plate inserting mechanism 61, a folding turnover plate 62 and a supporting plate 63.

As shown in fig. 1 and 2: a guide rod cylinder 32 is arranged on the front part of the frame 1 in the up-down direction, a guide rod cylinder 31 is arranged on a guide rod seat of the guide rod cylinder 32 in the front-back direction, a pressing plate 3 is arranged on the guide rod seat of the guide rod cylinder 31, and two pressing plate abdicating notches 33 are arranged at the rear end of the pressing plate 3; two electric sliding tables 2 are arranged in parallel in the front and the back under a pressing plate 3, the sliding table in the front is higher than the sliding table in the back, the two sliding tables 2 are arranged in the left and right directions, a left push plate 21 is arranged on the sliding seat of the electric sliding table 2 in the back, a right push plate 22 is arranged on the sliding seat of the electric sliding table 2 in the front, push plate abdicating notches 23 are respectively arranged at the rear ends of the left push plate 21 and the right push plate 22, and when the left push plate 21 and the right push plate 22 are pushed to a stop point towards the middle, the two push plate abdicating notches 23 correspond to the two pressing plate abdicating notches 33 on the pressing plate 3 up and down and correspond to the front and the back of a bag folding mechanical arm 7 at the back; a guide rod cylinder 51 is arranged in the up-down direction at the rear lower part of the left push plates 21 and the right push plates 22, a platform 5 is arranged on the guide rod cylinder 51, a guide rod cylinder 41 is arranged in the front-back direction of the bottom surface of the platform 5, and a trapezoidal template 4 is arranged on a guide rod seat of the guide rod cylinder 41; a tail folding device is arranged behind the platform 5, the tail folding device comprises a folding turnover plate 62, a plate inserting mechanism 61, a clamping plate mechanism 6 and a supporting plate 64, and a supporting plate abdicating notch 65 is arranged on the supporting plate 64 at a position corresponding to the upper part and the lower part of a lower pressing claw 72 of the manipulator 7 so as to facilitate the swinging or downward loosening and resetting of the lower pressing claw 72 of the manipulator 7; a turning plate abdicating notch 63 is arranged on a folding turning plate 62 of the folding turning plate mechanism, and the tail folding mechanism belongs to the prior art and is not described in detail herein; a linear module 73 with a double-track synchronous linkage structure is arranged in the front-back direction of two sides of a rack 1 above a clamping plate mechanism 6 of a tail folding device, a cross beam 74 is arranged on a left sliding table and a right sliding table of the linear module 73, two manipulators 7 are arranged on the left and the right of the cross beam 74, and the manipulators 7 are a pneumatic mechanical clamp and comprise an upper clamping jaw 71 and a lower clamping jaw 72, so that the upper clamping jaw 71 and the lower clamping jaw 72 correspond to a pressure plate abdicating notch 33 in the front-back direction.

The specific working process is as follows: after the shopping bag 8 which is punched into a two-handle state by a clamping and conveying mechanism on the bag making machine or the plastic bag notching machine is conveyed to the platform 5, two handles 85 of the shopping bag 8 are respectively positioned on the left push plate 21 and the right push plate 22, two handle folding lines 81 correspond to the splayed upper and lower parts of the left side and the right side of the lower trapezoidal template 4, a second folding line of the shopping bag 8 corresponds to the upper and lower parts of the rear sides of the left push plate 21 and the right push plate 22, and the state shown in fig. 7 is formed from the overlooking perspective; then, the guide rod cylinder 3 is opened to drive the pressing plate 3 to move backwards, so that the rear side of the pressing plate 3 vertically corresponds to the front side of the platform 5 below, and then the guide rod cylinder 32 is also opened to drive the pressing plate 3 to press down on the front side of the platform 5 to fix the shopping bag 8, so that the shopping bag is in a state shown in fig. 8 from a top view; then, the left push plate 21 and the right push plate 22 are respectively pushed to the left side and the right side under the driving of the electric sliding table 2, so that the two handles 85 lose support and droop, and a state shown in fig. 9 is formed from a top view, and a state shown in fig. 10 is formed from a right view; then, the right push plate 22 is first pushed toward the middle (left) by the drive of its electric slide table 2, resulting in a state shown in fig. 11 (right schematic view); then, the left push plate 21 is also pushed to the right by the electric slide table 2, so that the two handles 85 are folded together to form a state shown in fig. 12 (right side schematic view). The two handles 85 of the shopping bag 8 are folded along the handle folding lines 81 toward the middle to be folded into the state shown in fig. 4 (see fig. 4), and the folding work of the handles is completed. Then, the guide rod cylinder 41 opens and drives the trapezoid template 4 to retract backwards, then the guide rod cylinder 51 opens and drives the platform 5 to move downwards, after the platform 5 moves downwards, the pressing plate 3 also moves downwards for a certain distance to press the front part of the shopping bag 8 against the right pushing plate 22 and the left pushing plate 21, and the rear part of the shopping bag 8 which is originally put on the platform 5 drops to form an L-shaped state due to the loss of support, so that the state shown in fig. 13 is formed; then, the bag folding manipulator 7 moves forward under the driving of the linear module 73, and stops when the manipulator 7 moves to the position corresponding to the upper part and the lower part of the pressing plate abdicating notch 33, and then the manipulator 7 clamps the position of the second folding line 82 of the shopping bag 8 from the positions of the pressing plate abdicating notch 23 and the pressing plate abdicating notch 33, so that the position of the shopping bag 8 at the second folding line 82 is changed from the L-shaped state to the U-shaped state, and the state shown in fig. 14 is formed from the top view; a state shown in fig. 15 is formed from a front side perspective; after the manipulator 7 clamps the position of the second folding line of the shopping bag 8, the second folding is formed, and the shopping bag 8 which is folded by the handle and folded for the second time is further moved backwards to the position of the tail folding device, at this time, the pressing plate 3, the left push plate 21, the right push plate 22, the trapezoidal template 4 and the platform 5 are all reset to the original initial state, the handle folding work of the shopping bag at the next time can be met, the shopping bag 8 to be folded at the next time is conveyed to the upper surfaces of the platform 5, the left push plate 21, the right push plate 22 and the trapezoidal template 4 by the clamping and conveying mechanism, and the state shown in fig. 16 is formed from the overlooking perspective; then, the manipulator 7 is released, the lower clamping jaw 72 swings downwards and backwards to place the shopping bag 8 on the supporting plate 64, the lower pressing jaw 72 swings downwards to release or is pulled out to reset from the supporting plate yielding notch 65, then the guide rod air cylinder 75 drives the manipulator 75 to move upwards, then the manipulator 7 moves forwards again, the front end of the upper clamping jaw 71 of the manipulator 7 stops at a position close to the fourth folding line 84, the guide rod air cylinder 75 drives the manipulator 7 to move downwards, the front end of the upper pressing jaw 71 is pressed at the position of the fourth folding line 84, and the state shown in fig. 17 is formed in a top view; then, the folding flap 62 is folded back, and the part in front of the fourth folding line 84 is folded back over the upper pressing claw 71 to form a fourth folding, so as to form the state shown in fig. 18 (it should be noted that in most cases, the shopping bag does not need to be folded for the fourth time, and a folding flap mechanism is not needed); when the folding turning plate 62 is turned backwards, the solid part of the folding turning plate 62 presses the shopping bag parts at the left side and the right side of the upper clamping jaw 71 because the turning plate abdicating notch 63 is arranged on the folding turning plate 62, so that the upper clamping jaw 71 of the manipulator 7 can be drawn backwards from the space between the upper layer and the lower layer of the shopping bag; then the inserting plate 61 of the inserting plate mechanism moves downwards, and the front middle position and the rear middle position of the shopping bag 8 are pressed from the position of the turnover plate abdicating notch 63 on the folding turnover plate 62, so as to form the state shown in fig. 19; then the shopping bag 8 is continuously inserted downwards into the clamping plate mechanism 6, so that the shopping bag 8 is folded in half between the front clamping plate and the rear clamping plate, and the folding work of the shopping bag is completed; at this time, the handle folding of the shopping bag 8 is completed next time, the platform 5 falls down and does not prevent the forward movement of the manipulator 7, and the manipulator 7 waits to clamp the shopping bag 8 to be folded in the second round again. Reciprocating like this, make the handle folding with the folding two working faces of formation of afterbody go on, improved folding speed and work efficiency. The clamping plate mechanism 6, the plate inserting mechanism 61, the folding plate turnover mechanism 62, the supporting plate 64 and the like belong to the technical content of the tail folding device, and all belong to the prior art, and reference can be made to the publication number: the specification and drawings of CN110040284A are not repeated herein.

Claims (7)

1. The utility model provides a shopping bag folder, includes frame, handle folding device, afterbody folding device, its characterized in that: handle folding device and afterbody folding device between still be equipped with a bag manipulator device, a bag manipulator device include manipulator and conveying actuating mechanism, the manipulator connect on conveying actuating mechanism, handle folding device including push away a board mechanism, clamp plate mechanism, template mechanism, lift platform mechanism, push away a board mechanism include left push pedal and right push pedal, push pedal actuating mechanism, left push pedal and right push pedal dislocation set from top to bottom, connect respectively push away board actuating mechanism on, clamp plate mechanism contain clamp plate and clamp plate actuating mechanism, set up in the top that pushes away a board mechanism, lift platform mechanism include platform and elevating system, set up in the rear that pushes away a board mechanism, template mechanism include trapezoidal template and telescopic machanism, the setting is in the bottom surface of platform.

2. A shopping bag folding machine as claimed in claim 1, wherein: the tail folding device comprises a supporting plate, a plate inserting mechanism and a clamping plate mechanism.

3. A shopping bag folding machine as claimed in claim 2, wherein: the supporting plate is also provided with an abdicating notch.

4. A shopping bag folding machine as claimed in claim 1, wherein: and the left push plate and the right push plate are respectively provided with a push plate abdicating notch.

5. A shopping bag folding machine as claimed in claim 1, wherein: and the rear side of the pressing plate is also provided with a pressing plate abdicating notch at the position corresponding to the front and the rear of the bag folding manipulator.

6. A shopping bag folding machine as claimed in claim 1, wherein: a folding plate turnover mechanism is arranged behind the lifting platform mechanism.

7. A shopping bag folding machine as claimed in claim 1, wherein: the manipulator is also provided with an up-and-down driving mechanism.

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