CN220483805U - Bag handle folding mechanism of handbag folding machine - Google Patents

Abstract

The utility model discloses a bag handle folding mechanism of a handbag folding machine, which comprises a supporting plate, wherein the supporting plate comprises a bag supporting plate and a central supporting plate, the central supporting plate is narrower than the bag supporting plate, and the central supporting plate swings or longitudinally moves relative to the bag supporting plate and reciprocates between a waiting station and a bag supporting station; in the first stage of bag body positioning, the central supporting plate is positioned at a waiting station, and the bag mouth and the bag handle drop along one end edge of the bag supporting plate; in the second stage of the bag body in place, the central supporting plate is arranged at the bag supporting station, one end of the central supporting plate extends out of the edge of one end of the bag supporting plate and horizontally supports the central position of the bag opening. The central supporting plate gives way to the bag opening and the bag handle at the first stage of the bag body positioning, the bag opening and the bag handle naturally droop along one end edge of the bag supporting plate due to gravity, and the problem of left and right displacement of the bag body and the bag handle does not occur at the moment; and then the central supporting plate stretches out to support the central position of the bag opening, so that the bag openings on two sides of the central supporting plate and the bag handles are uniformly distributed left and right, and the bag handles are quite smooth after being folded, and are favorable for storage.

Description

Bag handle folding mechanism of handbag folding machine

Technical Field

The utility model relates to an improved utility model of a handbag folding machine, in particular to a bag handle folding mechanism of the handbag folding machine.

Background

The film handbag is commonly called as a vest bag, is commonly used in supermarkets, retail stores and the like, is folded after being overlapped to a certain number in order to facilitate the storage, transportation and sales of the film handbag, folds a stack of film handbag into a bag body and folds a transverse bag body, and is fixed by strapping after being folded into a long strip shape.

The bag handle adopted by the folding of the traditional handbag bag handle is folded above the bag body, see the patent publication No. CN212333179U and the utility model of a handle folding device of a plastic bag, and the bag handle folding has the problems of complex structure, more procedures, low speed and low efficiency.

At present, the bag handle is mainly folded below the bag body, and the utility model patent with the name of "handbag portable folding mechanism" is disclosed as follows: the handbag portable folding mechanism comprises a portable folding component, a first positioning component and a second positioning component, wherein the portable folding component comprises a first folding plate 3 and a second folding plate 4 which move transversely; the first positioning component comprises a central supporting plate 2 and a central pressing plate 1 which is lifted up and down, and the central supporting plate is arranged above the first folding plate and the second folding plate; the second positioning component is arranged in front of the first positioning component and comprises a pressing piece 7 and a supporting piece 5, wherein the pressing piece is lifted up and down on the frame, and the supporting piece is arranged below the pressing piece and moves between a supporting station and a waiting station; when folding operating mode, central clamp plate 1 pressfitting with central layer board 2 hold in the palm material spare 5 hold in the palm material station and press material spare 7 pressfitting, first folding plate 3 and second folding plate 4 lateral shifting realize portable folding, compare folding mechanism with traditional bag and retrench, processing step is few, and efficiency is higher, equipment cost is lower.

However, there are some problems that 1, the clamping piece clamps the bag tail of the handbag and places the bag body of the handbag on the material supporting piece, the bag mouth is placed on the central supporting plate, the width of the central supporting plate is narrow, only a small part of the bag mouth is supported, and other parts of the bag mouth droop; the bag tail is held by the holding piece, the transverse position of the bag tail on the rack is stable, but the transverse position of the bag opening on the rack is unstable, when the bag is sent, the bag body passes through the central supporting plate, the relative position of the bag opening and the central supporting plate is unstable, the central position of the bag opening is not necessarily on the central supporting plate, the left side and the right side are often uneven, the sagging side of the bag handle is more, the sagging side is less, and therefore, the folded bag handle is uneven, and even the folding operation of the bag handle can be influenced. 2. After the handbag is in place, the junction of the bag handle of handbag sagging and the horizontal bag body is arc-shaped, and this is related to the hardness of the bag body and the thickness of stacking, and first folding plate and second folding plate horizontal migration this moment, although can realize that the bag handle is folding, folding plate's side and bag handle's side area of contact are big, folding plate promotes the bag handle side and removes, can appear fold, the problem such as bag handle longitudinal movement easily in addition, leads to the increase of the bag body thickness after folding and unevenness, influences accomodate, transportation and sell.

Disclosure of Invention

In view of the technical problems existing in the background art, the technical problems solved by the utility model aim to provide a bag handle folding mechanism of a handbag folding machine, which is simple in structure and good in folding effect.

In order to solve the technical problems, the utility model adopts the following technical scheme: this kind of handbag folder's bag folding mechanism, its characterized in that: the automatic bag-supporting machine comprises a supporting plate, wherein the supporting plate comprises a bag-supporting plate and a central supporting plate, the central supporting plate is narrower than the bag-supporting plate, and the central supporting plate swings or longitudinally moves relative to the bag-supporting plate and reciprocates between a waiting station and a bag-supporting station;

in the first stage of bag body positioning, the central supporting plate is arranged at a waiting station, and a bag opening and a bag handle drop along one end edge of the bag supporting plate;

in the second stage of the bag body in place, the central supporting plate is arranged at the bag supporting station, and one end of the central supporting plate extends out of the edge of one end of the bag supporting plate and supports the central position of the bag opening.

The central supporting plate disclosed by the utility model is used for giving way to the bag opening and the bag handle in the first stage of positioning the bag body, the bag opening and the bag handle naturally droop along one end edge of the bag supporting plate due to gravity, and the problem of left-right displacement of the bag body and the bag handle does not occur at the moment; and then the central supporting plate stretches out to support the central position of the bag opening, so that the bag openings on two sides of the central supporting plate and the bag handles are uniformly distributed left and right, and the bag handles are quite smooth after being folded, and are favorable for storage.

Preferably, the central supporting plate is arranged in an up-and-down swinging way relative to the bag supporting plate; in the waiting station, the center supporting plate swings downwards and is lower than the bag supporting plate without influencing the bag opening and the sagging of the bag handle; at the bag supporting station, the central supporting plate swings upwards, and the central supporting plate is horizontally arranged and is arranged at the same height as the bag supporting plate. The central supporting plate reciprocates between the waiting station and the bag supporting station in a swinging mode; when the bag is held in the palm, it is set up with holding in the palm the bag board the same altitude, makes the flat tiling of bag body on holding in the palm bag board and central layer board.

Preferably, one end of the center supporting plate is arranged on a swinging block, the swinging block is rotatably arranged on the frame or the bag supporting plate, and the swinging block is connected with a first power piece for driving the swinging block to swing.

Preferably, the central supporting plate longitudinally moves relative to the bag supporting plate, the central supporting plate is horizontally arranged and is arranged at the same height as the bag supporting plate, and the bag supporting plate is provided with a notch for moving with the central supporting plate. The arrangement of the notch not only meets the requirement that the central supporting plate is equal in height with the bag supporting plate, so that the central supporting plate can move, but also can be partially arranged in the notch when the bag is supported, so that the bag supporting plate and the central supporting plate are completely connected.

Preferably, the center supporting plate is arranged on a movable seat, and the movable seat is connected with a second power part for driving the movable seat to longitudinally move.

Preferably, the bag handle folding mechanism further comprises an upper pressing plate, and the upper pressing plate is pressed with the bag supporting plate and the central supporting plate when the bag handle is folded. Prevent the bag body from moving when the bag handle is folded, and ensure the folding quality.

Preferably, the bag handle folding mechanism further comprises a left folding plate and a right folding plate, wherein one sides of the left folding plate and the right folding plate are pushing folding parts, and the pushing folding parts are provided with raised folding blocks at the end close to the bag supporting plate. When the left folding plate and the right folding push-folding part move downwards, the convex folding blocks are contacted with the edges of the bag handles, and the contact points are close to the edges of the bag supporting plates, so that the bag handles are folded at first near the bag supporting plates, the bag handles are folded gradually towards the left folding movement direction and the right folding movement direction along with the continued movement of the folding plates, the problem that the bag handles are folded and offset is avoided, and the folded bag handles are close to the bag supporting plates, so that the folded bag bodies are flat and thin, and are favorable for storage, transportation and sales.

Preferably, the folding block is provided with a bevel edge, the bevel edge is connected with the pushing folding part, and the end close to the bag supporting plate is a high point. When the bag handle is folded, the high point of the bevel edge of the folding block is contacted with the bag handle, and the contact part of the high point and the bag handle is the folding part; the bevel edge is arranged to meet the requirement of folding the bag handle and is connected with the pushing folding part, so that the bevel edge and the pushing folding part are more stable and smooth when pushing the bag handle, and the phenomenon of clamping can not occur.

Preferably, when the bag is fed, the left folding plate and the right folding plate are vertically arranged on two sides of the central supporting plate, when the bag is folded, the left folding plate moves rightwards and swings clockwise to a horizontal state by taking the top end of the left folding plate as the center, the right folding plate moves leftwards and swings anticlockwise to the horizontal state by taking the top end of the right folding plate as the center, and the left folding plate and the right folding plate in the horizontal state are overlapped up and down and arranged below the central supporting plate. The left folding plate and the right folding plate are vertically arranged to give the bag handle to give way when the bags are sent, and the vertical arrangement of the folding plates occupies small transverse space, so that the width of the equipment can be greatly reduced, the equipment cost is reduced, and the transportation and the installation of the equipment are facilitated.

Preferably, the top end of the left folding plate is provided with a first rotating shaft, the first rotating shaft is longitudinally arranged, the first rotating shaft is rotatably arranged on a first sliding seat, the first sliding seat is slidably arranged on a first guide rail, and the first guide rail is transversely arranged on the frame; when the bag handle is folded, the first sliding seat moves rightwards along the first guide rail, so that the first rotating shaft and the left folding plate move rightwards, the left folding plate can push the sagged left bag handle to fold rightwards, the first rotating shaft rotates to drive the left folding plate to swing, the left folding plate swings to be in a horizontal state, and the folded bag handle is supported, so that the folded bag handle is kept in a folded state.

The first rotating shaft is connected with the swing arm, a cam bearing is arranged on the swing arm and is arranged in parallel with the first rotating shaft, the cam bearing is arranged in a cam groove of the guide plate in a sliding mode, the guide plate is arranged vertically and is parallel to the first guide rail, and the cam groove comprises an inclined section which is inclined upwards from left to right. When the first rotating shaft transversely moves through the inclined section of the cam groove, the cam groove forces the swing arm to swing by taking the first rotating shaft as the center, so that the first rotating shaft connected with the first swing arm rotates along with the swing arm, and therefore, the rotation of the first rotating shaft does not need additional power, and the first rotating shaft and the transverse movement of the first rotating shaft share one power, thereby reducing equipment cost.

Drawings

FIG. 1 is a step diagram of an embodiment of the present utility model.

Fig. 2 is a step diagram of a top view of an embodiment of the present utility model.

Fig. 3 is a left side view of a second embodiment of the present utility model.

Fig. 4 is a schematic view of a left folding plate of the present utility model.

Fig. 5 is a schematic top view of the bag of the present utility model prior to folding.

Fig. 6 is a schematic top view of the bag of the present utility model after being folded.

Fig. 7 is a left side view of the left folding board pouch of the present utility model before folding.

Fig. 8 is a left side view of the left folding board bag of the present utility model when folded.

Detailed Description

The details and working principles of the embodiments and examples of the present utility model are described below with reference to the drawings. In the figure, the X axis is longitudinal, the Y axis is transverse, the bag handle folding mechanism of the handbag folding machine comprises a supporting plate, the supporting plate comprises a bag supporting plate 2 and a central supporting plate 6, the central supporting plate is narrower than the bag supporting plate, and the central supporting plate 6 swings or longitudinally moves relative to the bag supporting plate 2 and reciprocates between a waiting station and a bag supporting station; in the first stage of bag body positioning, the bag body of the handbag 1 is placed on a bag supporting plate 2, the central supporting plate 6 is at a waiting station, a bag mouth and a bag handle droop along one end edge of the bag supporting plate, and the end of the bag supporting plate is the rear end in the figure; in the second stage of the bag body in place, the central supporting plate 6 swings or longitudinally moves to a bag supporting station, and one end of the central supporting plate 6 extends out of the edge of one end of the bag supporting plate 2 and supports the central position of the bag opening. The central supporting plate 6 of the utility model gives way to the bag opening and the bag handle in the first stage of the bag body in place, the bag opening and the bag handle are not disturbed and naturally drop along the rear end edge of the bag supporting plate 2 due to gravity, and the problem of left and right displacement of the bag body and the bag handle does not occur at the moment; and then the central supporting plate stretches out to support the central position of the bag opening, so that the bag openings on two sides of the central supporting plate and the bag handles are uniformly distributed left and right, and the bag handles are uniformly distributed left and right after being folded, and are uniform in thickness.

The central supporting plate can reciprocate between the waiting station and the bag supporting station in a swinging or longitudinal moving mode. In a first embodiment, see fig. 1 and 2, the central supporting plate 6 moves longitudinally relative to the bag supporting plate 2, and the central supporting plate is horizontally arranged; the center supporting plate is arranged on the movable seat 11, and the movable seat is connected with the second power part for driving the movable seat to longitudinally move. The second power part drives the center supporting plate arranged on the moving seat to move longitudinally, so that the center supporting plate 6 reciprocates between the waiting station and the bag supporting station. The central supporting plate 6 is arranged at the same height as the bag supporting plate 2, and a notch 7 for moving with the central supporting plate is formed in the bag supporting plate. The arrangement of the notch not only meets the requirement that the central supporting plate is equal in height with the bag supporting plate, so that the central supporting plate can move, but also can be partially reserved in the notch when the bag is supported, so that the bag supporting plate and the central supporting plate are completely connected. In the second embodiment, as shown in fig. 3, the central supporting plate 6 is arranged in an up-and-down swinging manner relative to the bag supporting plate 2; in the waiting station, the center supporting plate swings downwards and is lower than the bag supporting plate without influencing the bag opening and the sagging of the bag handle; at the bag supporting station, the central supporting plate swings upwards, the central supporting plate is horizontally arranged and is equal to the bag supporting plate in height, and the bag supporting plate can be provided with a notch, so that when the bag is supported, the central supporting plate is partially arranged in the notch; one end of the center supporting plate is arranged on a swinging block 12, the swinging block is rotatably arranged on the frame or the bag supporting plate, and the swinging block is connected with a first power part 13 for driving the swinging block to swing. The first power piece and the second power piece can adopt air cylinders, and the second power piece drives the swinging block 12 to swing, so that the central supporting plate 6 arranged on the swinging block reciprocates between the waiting station and the bag supporting station, and when the bag is supported, the central supporting plate and the bag supporting plate are arranged at the same height, so that the bag body is flatly paved on the bag supporting plate and the central supporting plate.

The bag handle folding mechanism also comprises an upper pressing plate, which is not shown in the figure, and when the bag handle is folded, the upper pressing plate is pressed together with the bag supporting plate and the central supporting plate, so that the bag body is prevented from moving when the bag handle is folded, and the folding quality is ensured. The upper pressing plate is arranged above the supporting plate before pressing, so that the upper pressing plate only needs to move up and down; the upper pressing plate can be arranged behind the supporting plate before pressing, so that conveying of the bag body cannot be affected, and the upper pressing plate is pressed down when required to be moved to the position above the supporting plate during pressing.

The bag handle folding mechanism further comprises a left folding plate 4 and a right folding plate 9, one sides of the left folding plate and the right folding plate are pushing folding parts 5, namely the side of the bag handle is pushed to be the pushing folding parts 5, and the pushing folding parts are provided with raised folding blocks 3 at the end close to the bag supporting plate; when the left folding plate and the right folding pushing and folding part are moved downwards, the convex folding block 3 is contacted with the bag handle firstly, and the contact point is close to the edge of the bag supporting plate 2, so that the bag handle is folded at the position close to the bag supporting plate firstly, the folding starting point and the folding direction of the bag handle are determined, and along with the continuous movement of the folding plate, the bag pushing and folding part 5 pushes the bag handle to fold gradually towards the left folding and right folding moving direction, so that the problem of fold and offset of the bag handle is avoided, and the folded bag handle is close to the bag supporting plate, so that the folded bag body is flat and thin, and is favorable for storage, transportation and sales. The folding block 3 is provided with a bevel edge 8, the bevel edge is connected with the pushing folding part, the end of the bevel edge, which is close to the bag supporting plate, is a high point, as shown in fig. 4, the folding block 3 is in a right triangle, when the bag is folded, the high point of the bevel edge 8 of the folding block is firstly contacted with the bag, the bag is pushed to fold, and the folding part is folded with the bag because of the contact part of the folding block and the bag, namely the folding part of the bag, and the bevel edge is arranged to meet the folding of the bag and can be well connected with the pushing folding part 5, so that the bevel edge and the pushing folding part are more stable and smooth when the bag is pushed, and if the folding block is in a vertical state with the pushing folding part, the problem of scratch or clamping occurs in the pushing folding process. The left folding plate 4 and the right folding plate 9 can be horizontally and transversely moved to fold the bag handle, in this case, the left folding plate and the right folding plate need to be horizontally arranged, the whole width of the equipment is widened, and the equipment cost is increased; in this embodiment, when the bag is sent in place and the central supporting plate extends, the left folding plate 4 and the right folding plate 9 are vertically arranged at two sides of the central supporting plate 6, and the vertical arrangement is not particularly vertical, but also can be inclined, so that two bag handles of the bag can be given way, and the bag handles can be freely sagged, so the vertical arrangement here comprises inclination, as long as the two folding plates do not influence the sagging of the bag handles; the vertical arrangement of the folding plate occupies small transverse space, can greatly reduce the width of equipment, not only reduces the equipment cost, but also is more beneficial to the transportation and installation of the equipment. When the bag is folded, the left folding plate 4 moves rightwards and swings clockwise around the top end of the left folding plate to a horizontal state, the top end is a pushing folding part, the right folding plate moves leftwards and swings anticlockwise around the top end of the right folding plate to a horizontal state, the left folding plate and the right folding plate in the horizontal state are overlapped up and down below the central supporting plate, the overlapped left folding plate and the right folding plate are arranged up and down and are projected in the vertical direction, specifically, the left folding plate moves rightwards, the left folding plate swings clockwise around the top end of the left folding plate, the right folding plate moves leftwards, and the right folding plate swings anticlockwise around the top end of the right folding plate, so that the top ends of the left folding plate and the right folding plate are kept unchanged, pushing materials are stable, the heights of the left folding plate and the right folding plate are kept at the top ends of the right folding plate, the folded bag handle is supported, the bag is pressed close to the bag body, and the folded state is prevented from loosening.

The top end of the left folding plate is provided with a first rotating shaft 15, the first rotating shaft is longitudinally arranged, the first rotating shaft 15 is rotatably arranged on a first sliding seat 20, the first sliding seat is slidably arranged on a first guide rail 17, and the first guide rail is transversely arranged on a frame; when the bag is folded, the first rotating shaft 15 moves from the left side to the right side of the center pallet 6 along the first guide rail 17; the right folding plate adopts the same structure, namely the top of right folding plate installs second pivot 16, the second pivot rotates to set up on the second slide, the second slide slides and sets up on third guide rail 18, and when the bag is folding, second pivot 16 moves left from the right side of central layer board 6, and second slide and first slide also can share a guide rail, but first pivot and second pivot need have the difference in height, and left folding plate and right folding plate after overturning set up from top to bottom like this. The rotation of the first rotating shaft and the second rotating shaft can be performed after the left folding plate and the right folding plate transversely move for a certain distance, namely, the left folding plate and the right folding plate rotate to a horizontal material supporting state after folding part of the bag handle; the left folding plate and the right folding plate can be gradually rotated to a horizontal material supporting state in the transverse moving process. The first rotating shaft 15 and the second rotating shaft 16 can be driven to rotate by adopting driving parts such as a motor or a rotary cylinder, so that the cost is reduced, the driving power is reduced, the first rotating shaft 15 is connected with a swing arm 22, a cam bearing 23 is arranged on the swing arm, the cam bearing is arranged in parallel with the first rotating shaft, the cam bearing is arranged in a cam groove 21 of a guide plate 19 in a sliding manner, the guide plate is vertically arranged and parallel with the first guide rail 17, and the cam groove 21 comprises an inclined section 24 which is inclined upwards from left to right; the first rotating shaft 15 moves rightward, and then the cam bearing 23 gradually moves upward in the cam groove, and the cam groove forces the swing arm 22 to swing around the first rotating shaft 15 as a center, so that the first rotating shaft connected with the swing arm rotates along with the swing arm, and thus the rotation of the first rotating shaft 15 does not need other power driving, and the rotation and the transverse movement of the first rotating shaft can use one power, thereby reducing the equipment cost. The bag handle of the large-size bag body is longer, in order to ensure that the bag handle is completely folded, the right end of the inclined section 24 horizontally extends to the right to form a horizontal section 25, the left folding plate 15 horizontally moves to the right after swinging to a horizontal state, the bag handle of the large-size bag body is ensured to be folded, and the left folding plate 4 is in a horizontal material supporting state before the bag handle is folded, so that the problems of sagging and wrinkling of the folded bag handle are avoided; the rotation of the second shaft may be of the same structure, except that the cam groove of the second shaft 16 is bilaterally symmetrical with respect to the cam groove of the first shaft, so that the right folding plate can swing counterclockwise when moving leftwards.

The working principle is described in detail below with reference to the accompanying drawings: the bag clamping piece 10 clamps the bag tail of the handbag 1, the bag clamping piece longitudinally moves to the upper part of the bag supporting plate 2, the main body of the handbag 1 is arranged on the bag supporting plate 2, a bag mouth and a bag handle naturally droop along the edge of the rear end of the bag supporting plate, then the central supporting plate 6 swings upwards or moves backwards to support the central part of the bag mouth, the bag handle keeps a droop state, and symmetrical inclined folded edges are formed on two sides of the central supporting plate 6; before that, the left folding plate 4 and the right folding plate 9 are kept vertically arranged at two sides of the central supporting plate, then the upper pressing plate is pressed together with the bag supporting plate 2 and the central supporting plate 6 to fix the handbag 1 on the supporting plate, and the upper pressing plate is not shown in the figure, so that the bag can be prevented from shifting the folded bag body; after the bag body is fixed, the left folding plate 4 moves rightwards along the first guide rail 17, the cam bearing 23 moves upwards gradually in the inclined section 24 of the cam groove to force the swing arm 22 to swing clockwise, the swing arm drives the first rotating shaft 15 to rotate clockwise, the folding block 5 is firstly contacted with the bag handle and pushes the bag handle to fold rightwards, the folding part 5 pushes the left bag handle to fold rightwards along with the continuous right movement of the left folding plate, and when the cam bearing 23 enters the horizontal section 25, the left folding plate is in a horizontal material supporting state, the horizontal material supporting state is kept to move rightwards continuously, and the left bag handle which is folded is placed on the left folding plate; likewise, the right folding plate moves leftwards to realize the folding of the right bag handle; after the bag is folded, the handbag is sent to the next procedure, and the center supporting plate, the left folding plate and the right folding plate move reversely and reset.

Claims (10)

1. The utility model provides a bag folding mechanism of handbag folder which characterized in that: the automatic bag-supporting machine comprises a supporting plate, wherein the supporting plate comprises a bag-supporting plate and a central supporting plate, the central supporting plate is narrower than the bag-supporting plate, and the central supporting plate swings or longitudinally moves relative to the bag-supporting plate and reciprocates between a waiting station and a bag-supporting station;

in the first stage of bag body positioning, the central supporting plate is arranged at a waiting station, and a bag opening and a bag handle drop along one end edge of the bag supporting plate;

in the second stage of the bag body in place, the central supporting plate is arranged at the bag supporting station, and one end of the central supporting plate extends out of the edge of one end of the bag supporting plate and supports the central position of the bag opening.

2. The bag handle folding mechanism of a bag folder as recited in claim 1 wherein: the central supporting plate is arranged in an up-and-down swinging way relative to the bag supporting plate; in the waiting station, the center supporting plate swings downwards and is lower than the bag supporting plate without influencing the bag opening and the sagging of the bag handle; at the bag supporting station, the central supporting plate swings upwards, and the central supporting plate is horizontally arranged and is arranged at the same height as the bag supporting plate.

3. The bag handle folding mechanism of a bag folder as recited in claim 2 wherein: one end of the center supporting plate is arranged on the swinging block, the swinging block is rotatably arranged on the frame or the bag supporting plate, and the swinging block is connected with the first power part for driving the swinging block to swing.

4. The bag handle folding mechanism of a bag folder as recited in claim 1 wherein: the central supporting plate longitudinally moves relative to the bag supporting plate, the central supporting plate is horizontally arranged and is equal to the bag supporting plate in height, and a notch for moving with the central supporting plate is formed in the bag supporting plate.

5. The bag handle folding mechanism of a bag folder as recited in claim 4 wherein: the center supporting plate is arranged on the movable seat, and the movable seat is connected with the second power part for driving the movable seat to longitudinally move.

6. The bag handle folding mechanism of the bag folder as recited in any one of claims 1-5 wherein: the bag handle folding mechanism also comprises an upper pressing plate, and the upper pressing plate is pressed together with the bag supporting plate and the center supporting plate when the bag handle is folded.

7. The bag handle folding mechanism of the bag folder as recited in any one of claims 1-5 wherein: the bag handle folding mechanism further comprises a left folding plate and a right folding plate, wherein one sides of the left folding plate and the right folding plate are pushing folding parts, and the pushing folding parts are provided with protruding folding blocks at the ends close to the bag supporting plates.

8. The bag handle folding mechanism of the bag folder as recited in claim 7 wherein: the folding block is provided with a bevel edge which is connected with the pushing folding part, and the end close to the bag supporting plate is a high point.

9. The bag handle folding mechanism of the bag folder as recited in claim 7 wherein: when the bag is folded, the left folding plate moves rightwards and swings clockwise to a horizontal state by taking the top end of the left folding plate as the center, the right folding plate moves leftwards and swings anticlockwise to the horizontal state by taking the top end of the right folding plate as the center, and the left folding plate and the right folding plate in the horizontal state are overlapped up and down and arranged below the center supporting plate.

10. The bag handle folding mechanism of the bag folder as recited in claim 9 wherein: the top end of the left folding plate is provided with a first rotating shaft, the first rotating shaft is longitudinally arranged, the first rotating shaft is rotatably arranged on a first sliding seat, the first sliding seat is slidably arranged on a first guide rail, and the first guide rail is transversely arranged on the frame;

the first rotating shaft is connected with the swing arm, a cam bearing is arranged on the swing arm and is arranged in parallel with the first rotating shaft, the cam bearing is arranged in a cam groove of the guide plate in a sliding mode, the guide plate is arranged vertically and is parallel to the first guide rail, and the cam groove comprises an inclined section which is inclined upwards from left to right.