CN218747942U - Point printing and belt cutting equipment for zipper of leather bag - Google Patents

Abstract

The utility model discloses a point printing and tape cutting device for a zipper of a leather bag, which effectively solves the problems that the prior zipper tape section needs manual marking and the cut is easy to have loose edges after manual shearing; the box body is characterized by comprising a box body, wherein the top of the box body is fixedly connected with a table board, the right end of the upper surface of the table board is fixedly connected with an installation plate, and the middle part of the bottom end of the installation plate is provided with a material passing hole; through the control cabinet, servo motor, under the cooperation of first cylinder and second cylinder, servo motor's the opening of control cabinet can be controlled and stop and the rotational speed, wherein servo motor's rotational speed can decide the distance that the zip fastener conveyed right, thereby can be convenient for quick accurate at the different size position of zip fastener strip section mark, the second cylinder can make the position alternate motion of two concave frames under to first cylinder simultaneously, can make U type sword mark and cut the belting sword and cut off under the effect of first cylinder, thereby can improve work efficiency, guarantee to beat the mark and the precision of cutting off.

Description

Point printing and belt cutting equipment for zipper of leather bag

Technical Field

The utility model relates to a zip fastener processing field, especially a wallet zip fastener point is printed, is cut and takes equipment.

Background

Along with the development of society and the progress of manufacturing, people go out and accomodate through the leather handbag in order to carry article mostly, need make up the zip fastener with the leather handbag opening part in leather handbag production, not only pleasing to the eye convenient, avoid the article in the bag to drop moreover.

When sewing the zipper tape section to the leather bag, the zipper tape section is often required to be marked with different size positions and then cut off so as to correspond to a specific position of the leather bag, such as a corner, so that the zipper tape section is quickly and accurately positioned on the leather bag, the production efficiency is improved, and the rejection rate is reduced. In the prior art, a positioning mark is generally marked on a zipper strip section by manpower, and then the zipper strip is cut, but the working efficiency is low, the positioning is inaccurate, and meanwhile, the cut edge is easy to be frayed, so that the subsequent sewing is inconvenient.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned condition, for overcoming prior art's defect, the utility model aims at providing a point of leather bag zip fastener is printed, is cut the area equipment, and the effectual current zipper strip section of having solved needs artifical mark and artifical cut-off back cut-off problem that the frail appears easily.

The technical scheme of its solution is, the utility model discloses a box, the top fixedly connected with mesa of box, the last surface right-hand member fixedly connected with mounting panel of mesa, the punishment in advance hole has been seted up at mounting panel bottom middle part, the top of mounting panel and with punishment in advance hole corresponding position fixed connection L template, and the first cylinder of top fixedly connected with of L template, the right side rear end fixedly connected with loading board of mounting panel, and the top fixedly connected with second cylinder of loading board, the right side of mounting panel is provided with the point print tape cutting subassembly, the upper surface front side middle part fixedly connected with control cabinet of mesa, the inside of box is provided with the ultrasonic wave subassembly.

Preferably, the front of box articulates there is the chamber door, the left side upper end fixedly connected with support frame of box, the top fixedly connected with U type frame of support frame, the inside of U type frame is rotated and is connected with the extension roller.

Preferably, the upper surface of the table top is bolted with a material passing frame on the left side of the material passing hole, the cross section of the material passing frame is in a convex shape matched with the zipper, and the inner walls of two sides of the material passing frame are in contact with two sides of the zipper.

Preferably, the upper surface of mesa and the left side that is located the punishment in advance frame are provided with drive assembly, drive assembly includes servo motor and transfer roller, the transfer roller is just to punishment in advance frame setting, and the both ends of transfer roller all rotate and be connected with first fixed block, first fixed block and mesa fixed connection, servo motor fixed connection is on the mesa, and servo motor's output run through one of them first fixed block through the pivot and with the one end fixed connection of transfer roller, the ring channel has been seted up at the middle part of transfer roller, and the inner wall of ring channel contacts with the middle top of zip fastener.

Preferably, the upper surface of mesa and the left side that is located drive assembly are provided with two direction subassemblies, the direction subassembly is corresponding with the extension roller, two the direction subassembly sets up relatively, two the direction subassembly all includes two second fixed blocks, two the second fixed block set up relatively and with mesa fixed connection, two fixedly connected with round bar, right side between the second fixed block the cover is equipped with two clamp plates on the round bar, and the distance between two clamp plates is less than the width of zip fastener, and the clamp plate keeps away from the one end and the zip fastener both sides upper surface contact of round bar, the clamp plate passes through torsional spring and round bar fixed connection, left side the cover is equipped with two gyro wheels on the round bar, and the bottom of two gyro wheels and the upper surface contact of zip fastener both sides.

Preferably, the ultrasonic assembly comprises an ultrasonic generator and an ultrasonic transducer, the ultrasonic generator and the ultrasonic transducer are both arranged in the box body, the ultrasonic transducer is located below the spot-printing cutting band assembly, the ultrasonic generator is electrically connected with the ultrasonic transducer, an amplitude transformer is fixedly arranged at the top of the ultrasonic transducer through a flange, and the top end of the amplitude transformer penetrates through the box body and the table board.

Preferably, the spot printing cutting belt assembly comprises two concave frames, a connecting column is fixedly connected between the two concave frames, the back face of each concave frame is fixedly connected with the output end of a second air cylinder, the left middle of each concave frame is fixedly connected with a slider, the sliders are I-shaped, a rectangular hole is formed in the middle of the mounting plate, the sliders are connected to the inside of the rectangular hole in a sliding mode, limiting plates are fixedly connected to the lower ends of the inside of the concave frames, sliding grooves are formed in the inner walls of the two sides of the upper end of each concave frame, sliding plates are connected between the two sliding grooves in a sliding mode, two guide columns are fixedly connected to the inside of each sliding plate, the top ends of the two guide columns are fixedly connected with one pressing plate, the top of each pressing plate is in contact with the output end of the first air cylinder, the bottom ends of the two guide columns slidably penetrate through the limiting plates and extend to the L-shaped cutter frame fixedly connected to the lower side of the L-shaped cutter frame, springs are arranged on the outer sides of the two guide columns, two ends of each spring are fixedly connected with the limiting plate and fixedly connected with the sliding plate and the sliding plate fixedly connected with the sliding plate, two ends of the L-shaped cutter frame, and the two ends of the U-shaped cutter bar-shaped cutter frame are respectively in contact with the two ends of the L-shaped cutter frame, and the variable amplitude cutter bar, and the two ends of the U-shaped cutter bar, and the variable-amplitude cutter bar, and the zipper are respectively, and the variable-amplitude cutter bar, and the U-shaped cutter bar, and the variable-shaped cutter bar.

Compared with the prior art, the beneficial effects of the utility model are that:

through the control cabinet, servo motor, under the cooperation of first cylinder and second cylinder, servo motor's the opening of control cabinet can be controlled and stop and the rotational speed, wherein servo motor's rotational speed can decide the distance that the zip fastener conveyed right, thereby can be convenient for quick accurate at the different size position of zip fastener strip section mark, the second cylinder can make the position alternate motion of two concave frames under to first cylinder simultaneously, can make U type sword mark and cut the belting sword and cut off under the effect of first cylinder, thereby can improve work efficiency, guarantee to beat the mark and the precision of cutting off.

The ultrasonic generator is controlled by the control console to generate ultrasonic waves and the ultrasonic transducer and the amplitude transformer are used for adjusting and conducting through the control console and the ultrasonic assembly, so that the extension end of the amplitude transformer generates vibration, and the ultrasonic generator is contacted with the extension end of the amplitude transformer when the U-shaped knife and the belt cutting knife move downwards for cutting by utilizing the principle of heat energy generated instantly by ultrasonic vibration friction, thereby achieving the effect of cutting or welding and ensuring that edges at the cutting opening are not scattered.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a perspective view of the table top of the present invention.

Fig. 3 is an explosion diagram of the spot-printing cutting belt assembly of the present invention.

Fig. 4 is a perspective view of a part of the ultrasonic module according to the present invention.

The reference numerals in the schematic drawings illustrate: 1. a box body; 101. a support frame; 102. a U-shaped frame; 103. an extension roll; 104. a table top; 2. mounting a plate; 201. a rectangular hole; 202. a carrier plate; 203. an L-shaped plate; 204. a first cylinder; 205. a second cylinder; 3. a console; 4. a servo motor; 401. a first fixed block; 402. a conveying roller; 5. a material passing frame; 6. a second fixed block; 601. a round bar; 602. a material pressing plate; 603. a roller; 7. an ultrasonic generator; 701. an ultrasonic transducer; 702. an amplitude transformer; 8. dotting and cutting the belt assembly; 801. a slider; 802. a female frame; 803. a limiting plate; 804. a chute; 805. a slide plate; 806. a guide post; 807. a spring; 808. an L-shaped tool rest; 809. pressing a plate; 810. a U-shaped knife; 811. cutting a band cutter; 812. connecting columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

By figure 1 to 4 a point seal of leather bag zip fastener, cutting tape unit, including box 1, the top fixedly connected with mesa 104 of box 1, the upper surface right side fixedly connected with mounting panel 2 of mesa 104, punishment in advance hole has been seted up at 2 bottom middle parts of mounting panel, the top of mounting panel 2 and with punishment in advance hole corresponding position fixed connection L template 203, and the first cylinder 204 of top fixedly connected with of L template 203, the right side rear end fixedly connected with loading board 202 of mounting panel 2, and the top fixedly connected with second cylinder 205 of loading board 202, the right side of mounting panel 2 is provided with point seal cutting tape unit spare 8, the upper surface front side middle part fixedly connected with control cabinet 3 of mesa 104, the inside of box 1 is provided with ultrasonic wave subassembly.

Wherein the console 3 is electrically connected with the servo motor 4, the first cylinder 204, the second cylinder 205 and the ultrasonic generator 7.

In order to avoid the zipper tape from being wound in the transmission process, as shown in fig. 1, a door is hinged on the front surface of the box body 1, a supporting frame 101 is fixedly connected to the upper end of the left side of the box body 1, a U-shaped frame 102 is fixedly connected to the top of the supporting frame 101, an extending roller 103 is rotatably connected to the inside of the U-shaped frame 102, one end of the zipper tape is transmitted through the top of the extending roller 103, and the zipper tape is prevented from being wound under the action of the trend path and the gravity of the zipper, so that the subsequent operation is facilitated.

In order to ensure the precision of point printing and cutting of the zipper, as shown in fig. 2, a material passing frame 5 is bolted to the left side of the material passing hole on the upper surface of the table board 104, the cross section of the material passing frame 5 is in a convex shape matched with the zipper, the inner walls of two sides of the material passing frame 5 are in contact with two sides of the zipper, one end of the zipper tape passes through the material passing frame 5 under the driving of a conveying roller 402, the zipper tape is prevented from shifting under the guiding of the material passing frame 5, and therefore the precision of cutting is ensured.

In order to facilitate conveying of a zipper belt and marking at a fixed point, as shown in fig. 2, the upper surface of the table board 104 is provided with a transmission assembly on the left side of the material passing frame 5, the transmission assembly comprises a servo motor 4 and a transmission roller 402, the transmission roller 402 is arranged right opposite to the material passing frame 5, two ends of the transmission roller 402 are respectively and rotatably connected with a first fixed block 401, the first fixed block 401 is fixedly connected with the table board 104, the servo motor 4 is fixedly connected onto the table board 104, the output end of the servo motor 4 penetrates through one of the first fixed blocks 401 through a rotating shaft and is fixedly connected with one end of the transmission roller 402, an annular groove is formed in the middle of the transmission roller 402, the inner wall of the annular groove is in contact with the middle top of the zipper, the control console 3 can control the servo motor 4 to start and stop and rotate, the rotation speed of the servo motor 4 determines the transmission length of the zipper belt, thereby facilitating the cutting of the U-shaped knife 810 to cut marks at different distances on the zipper belt section, the servo motor 4 stops to cooperate with the first cylinder 204 and the second cylinder 205 to mark and cut the zipper belt.

In order to facilitate the smooth transmission of the zipper belt by the transmission roller 402, as shown in fig. 1-2, two guide assemblies are arranged on the upper surface of the table top 104 and on the left side of the transmission assembly, the guide assemblies correspond to the stretching roller 103, the two guide assemblies are arranged oppositely, each guide assembly comprises two second fixing blocks 6, the two second fixing blocks 6 are arranged oppositely and fixedly connected with the table top 104, a round rod 601 is fixedly connected between the two second fixing blocks 6, two pressure plates 602 are sleeved on the round rod 601 on the right side, the distance between the two pressure plates 602 is smaller than the width of the zipper, one end of each pressure plate 602, which is far away from the round rod 601, is in contact with the upper surfaces on two sides of the zipper, the pressure plates 602 are fixedly connected with the round rod 601 through a torsion spring, two rollers 603 are sleeved on the round rod 601 on the left side, the bottoms of the two rollers 603 are in contact with the upper surfaces on two sides of the zipper belt, one end of the zipper belt passes through the rollers 603, the pressure plates 602 and the transmission roller 402, the upper surfaces on two sides of the zipper belt are in contact with the two rollers 603, the two ends of the zipper belt 602, the zipper belt can rotate with the roller 603, the zipper belt, the two rollers 603 and the roller 603 can slide, the zipper belt can limit transmission roller 603 and the guide plates 603 can be convenient for the transmission of the transmission roller, thereby facilitating the transmission of the zipper belt, and the transmission roller, and the transmission of the zipper, and the guide assemblies 603.

In order to avoid the edge fraying of the cut of the zipper tape, as shown in fig. 1 and 4, the ultrasonic assembly comprises an ultrasonic generator 7 and an ultrasonic transducer 701, the ultrasonic generator 7 and the ultrasonic transducer 701 are both installed inside the box body 1, the ultrasonic transducer 701 is located below the spot-printing and cutting tape assembly 8, the ultrasonic generator 7 is electrically connected with the ultrasonic transducer 701, an amplitude transformer 702 is fixedly installed at the top of the ultrasonic transducer 701 through a flange, the top end of the amplitude transformer 702 penetrates through the box body 1 and the table top 104, the control table 3 controls the ultrasonic generator 7 to generate ultrasonic waves and conducts adjustment through the ultrasonic transducer 701 and the amplitude transformer 702, so that the extending end of the amplitude transformer 702 generates vibration, and the principle of heat energy generated instantaneously by ultrasonic vibration friction is utilized to contact with the extending end of the amplitude transformer 702 when the U-shaped knife 810 and the cutting tape knife 811 move downwards for cutting, thereby achieving the effect of cutting or welding and preventing the edge fraying at the cut.

In order to improve the efficiency of point printing and cutting of the zipper, as shown in fig. 1-3, the point printing and cutting tape assembly 8 comprises two concave frames 802, a connecting column 812 is fixedly connected between the two concave frames 802, the back surface of the back concave frame 802 is fixedly connected with the output end of the second air cylinder 205, sliders 801 are fixedly connected to the middle parts of the left sides of the two concave frames 802, the sliders 801 are in an i shape, a rectangular hole 201 is formed in the middle part of the mounting plate 2, the sliders 801 are slidably connected to the inside of the rectangular hole 201, a limiting plate 803 is fixedly connected to the lower end of the inside of the concave frames 802, sliding grooves 804 are formed in the inner walls of the two sides of the upper end of the concave frames 802, a sliding plate 805 is slidably connected between the two sliding grooves 804, two guide posts 806 are fixedly connected to the inside of the sliding plate 805, the top ends of the two guide posts 806 are fixedly connected with the same pressing plate 809, and the top of the pressing plate 809 is in contact with the output end of the first air cylinder 204, the bottom ends of two guide columns 806 are slidably penetrated through a limit plate 803 and extend to the lower part to be fixedly connected with an L-shaped tool rest 808, the outer sides of the two guide columns 806 are sleeved with springs 807, two ends of the springs 807 are fixedly connected with the limit plate 803 and a sliding plate 805 respectively, the upper surface of the L-shaped tool rest 808 is contacted with the lower surface of the limit plate 803, a U-shaped tool 810 is bolted on the front L-shaped tool rest 808, two ends of the U-shaped tool 810 respectively correspond to two sides of a zipper, a tape cutting tool 811 is bolted on the rear L-shaped tool rest 808, the bottom of the U-shaped tool 810 and the bottom of the tape cutting tool 811 are contacted with the extending end of a variable amplitude rod 702, when the zipper tape passes through a material passing hole and is located at a set distance, a control console 3 controls a servo motor 4 to stop and a first air cylinder 204 to start, the output end of the first air cylinder 204 extends downwards and contacts with a pressing plate 809 on the front side and then moves downwards, so that the guide columns 806 pressed by the front pressing plate 809 downwards are at the same side, the guide post 806 on the same side drives the sliding plate 805 on the same side to slide downwards in the sliding groove 804 and the L-shaped tool rest 808 on the same side to move downwards, the L-shaped tool rest 808 on the same side drives the U-shaped tool 810 to move downwards and cut and mark zipper tapes below, meanwhile, the sliding plate 805 on the same side compresses the spring 807 on the same side, then the control console 3 controls the first air cylinder 204 to reset, the sliding plate 805, the guide post 806, the pressing plate 809 and the U-shaped tool 810 on the same side reset under the action of the spring 807 on the same side, at the moment, the control console 3 can control the starting and rotating speed of the servo motor 4, and the rotating speed of the servo motor 4 determines the transmission length of the zipper tapes, so that the U-shaped tool 810 can cut marks with different distances on the sections of the zipper tapes; after the mark on the zipper strip section is cut, the control board 3 controls the servo motor 4 to stop and the second air cylinder 205 to start, the second air cylinder 205 pushes the concave frame 802 on the rear side forward, the slider 801 on the rear side slides forward in the rectangular hole 201, the concave frame 802 on the front side and the slider 801 on the front side move forward under the connection of the connection column 812 until the pressing plate 809 on the rear side is located below the first air cylinder 204, at this time, the control board 3 controls the second air cylinder 205 to stop and the first air cylinder 204 to start, the above-mentioned process is repeated, the L-shaped knife rest 808 on the rear side drives the tape cutter 811 on the rear side to move downward to cut off the zipper strip, then the control board 3 controls the second air cylinder 205 to reset, so that the concave frame 802 on the front side is reset, and then the above-mentioned process is repeated.

The working principle is that when the zipper tape feeding device is used, one end of a zipper tape passes through the top of the stretching roller 103, then one end of the zipper tape passes through the idler wheels 603, the pressure plates 602, the conveying roller 402 and the material passing frame 5 in sequence, the upper surfaces of two sides of the zipper tape are in contact with the two idler wheels 603, the two pressure plates 602, two ends of the conveying roller 402 and two sides of the material passing frame 5, meanwhile, the middle top of the zipper tape is in contact with the annular groove, then a program is input into the control console 3, the ultrasonic generator 7, the servo motor 4, the first air cylinder 204 and the second air cylinder 205 are controlled to be started through the control console 3, the servo motor 4 can drive the conveying roller 402 to rotate clockwise, so that the zipper tape is driven to move towards the material passing hole through the conveying roller 402, after the zipper tape passes through the material passing hole and is located at a set distance, the control console 3 controls the servo motor 4 to stop and the first air cylinder 204 to be started, the output end of the first cylinder 204 extends downwards and contacts with a pressing plate 809 on the front side, and then moves downwards continuously, so that the front side pressing plate 809 extrudes a guide post 806 on the same side downwards, the guide post 806 on the same side drives a sliding plate 805 on the same side to slide downwards in the sliding groove 804 and an L-shaped tool rest 808 on the same side to move downwards, the L-shaped tool rest 808 on the same side drives a U-shaped tool 810 to move downwards and cut and mark a zipper tape below, meanwhile, the sliding plate 805 on the same side compresses a spring 807 on the same side, then the control console 3 controls the first cylinder 204 to reset, and the sliding plate 805, the guide post 806, the pressing plate 809 and the U-shaped tool 810 on the same side are reset under the action of the spring 807 on the same side, at the moment, the control console 3 can control the starting and rotating speed of the servo motor 4, and the rotating speed of the servo motor 4 determines the conveying length of the zipper tape, so that the U-shaped tool 810 cuts marks with different distances on the zipper tape sections;

when the mark on the zipper strip section is cut, the control board 3 controls the servo motor 4 to stop and the second air cylinder 205 to start, the second air cylinder 205 pushes the concave frame 802 on the back side forward, the slider 801 on the back side slides forward in the rectangular hole 201, meanwhile, the concave frame 802 on the front side and the slider 801 on the front side move forward under the connection of the connecting column 812 until the pressing plate 809 on the back side is positioned below the first air cylinder 204, at the moment, the control board 3 controls the second air cylinder 205 to stop and the first air cylinder 204 to start, and the above-mentioned process is repeated, so that the L-shaped knife rest 808 on the back side drives the tape cutter 811 on the back side to move downward to cut off the zipper strip, then the control board 3 controls the second air cylinder 205 to reset, so that the concave frame 802 on the front side resets, and then the above-mentioned process is repeated;

at this time, the console 3 controls the ultrasonic generator 7 to generate ultrasonic waves, and the ultrasonic waves are adjusted and conducted through the ultrasonic transducer 701 and the amplitude transformer 702, so that the extension end of the amplitude transformer 702 generates vibration, and the extension end of the amplitude transformer 702 is contacted with the extension end of the amplitude transformer 702 when the U-shaped knife 810 and the belt cutter 811 move downwards for cutting by utilizing the principle of heat energy generated instantaneously by ultrasonic vibration friction, thereby achieving the effect of cutting or welding and preventing the edges of the cut from scattering.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a leather bag zip fastener point is printed, is taken equipment cut, includes box (1), its characterized in that, top fixedly connected with mesa (104) of box (1), the upper surface right end fixedly connected with mounting panel (2) of mesa (104), the punishment in advance hole has been seted up at mounting panel (2) bottom middle part, the top of mounting panel (2) and with punishment in advance hole corresponding position fixed connection L template (203), and the first cylinder of top fixedly connected with (204) of L template (203), the right side rear end fixedly connected with loading board (202) of mounting panel (2), and the top fixedly connected with second cylinder (205) of loading board (202), the right side of mounting panel (2) is provided with point printing tangential belt subassembly (8), upper surface front side middle part fixedly connected with control cabinet (3) of mesa (104), the inside of box (1) is provided with the ultrasonic wave subassembly.

2. The dotting, cutting and transporting equipment for the zipper of the leather bag as claimed in claim 1, wherein the front of the box body (1) is hinged with a box door, the upper end of the left side of the box body (1) is fixedly connected with a supporting frame (101), the top of the supporting frame (101) is fixedly connected with a U-shaped frame (102), and the inside of the U-shaped frame (102) is rotatably connected with an extension roller (103).

3. The dotting and cutting device for the leather bag zipper according to claim 1, wherein a material passing frame (5) is bolted on the upper surface of the table top (104) and positioned at the left side of the material passing hole, the cross section of the material passing frame (5) is in a convex shape matched with the zipper, and the inner walls of two sides of the material passing frame (5) are in contact with two sides of the zipper.

4. The point printing and belt cutting equipment for the zipper of the leather bag as claimed in claim 1, wherein a transmission assembly is arranged on the upper surface of the table board (104) and on the left side of the material passing frame (5), the transmission assembly comprises a servo motor (4) and a transmission roller (402), the transmission roller (402) is arranged right on the material passing frame (5), the two ends of the transmission roller (402) are rotatably connected with a first fixed block (401), the first fixed block (401) is fixedly connected with the table board (104), the servo motor (4) is fixedly connected onto the table board (104), the output end of the servo motor (4) penetrates through one of the first fixed blocks (401) through a rotating shaft and is fixedly connected with one end of the transmission roller (402), an annular groove is formed in the middle of the transmission roller (402), and the inner wall of the annular groove is in contact with the top of the zipper.

5. The leather bag zipper point printing and belt cutting device as claimed in claim 1, wherein two guide assemblies are arranged on the upper surface of the table top (104) and on the left side of the transmission assembly, the guide assemblies correspond to the stretching rollers (103), the two guide assemblies are arranged oppositely and comprise two second fixing blocks (6), the two second fixing blocks (6) are arranged oppositely and are fixedly connected with the table top (104), the two circular rods (601) are fixedly connected between the second fixing blocks (6), the right side is provided with two pressure plates (602) in a sleeved mode on the circular rods (601), the distance between the two pressure plates (602) is smaller than the width of the zipper, one end of each pressure plate (602) far away from the circular rods (601) is in surface contact with the two sides of the zipper, the pressure plates (602) are fixedly connected with the circular rods (601) through torsion springs, the left side is provided with two rollers (603) in a sleeved mode, and the bottoms of the two rollers (603) are in surface contact with the two sides of the zipper.

6. The dotting, cutting device for the bale zipper according to claim 1, wherein the ultrasonic assembly comprises an ultrasonic generator (7) and an ultrasonic transducer (701), the ultrasonic generator (7) and the ultrasonic transducer (701) are both installed inside the box body (1), the ultrasonic transducer (701) is located below the dotting and cutting assembly (8), the ultrasonic generator (7) is electrically connected with the ultrasonic transducer (701), the top of the ultrasonic transducer (701) is fixedly provided with an amplitude transformer (702) through a flange, and the top end of the amplitude transformer (702) penetrates through the box body (1) and the table top (104).

7. The dotting and cutting device for the leather bag zipper according to claim 1, wherein the dotting and cutting assembly (8) comprises two concave frames (802), a connecting column (812) is fixedly connected between the two concave frames (802), the back surface of the concave frame (802) at the rear side is fixedly connected with the output end of the second air cylinder (205), a sliding block (801) is fixedly connected with the middle part of the left side of each concave frame (802), the sliding block (801) is in an I shape, a rectangular hole (201) is formed in the middle part of the mounting plate (2), the sliding block (801) is slidably connected inside the rectangular hole (201), a limiting plate (803) is fixedly connected with the lower end of the inside of each concave frame (802), sliding grooves (804) are formed in the inner walls of the two sides of the upper end of each concave frame (802), a sliding plate (805) is slidably connected between the two sliding grooves (804), two guide columns (806) are fixedly connected inside the sliding plate (805), the top ends of the two guide columns (806) are fixedly connected with a pressing plate (809), the top of the pressing plate (809) is in contact with the top end of the first air cylinder (809), two guide columns (806) extend through the two guide frames (806), and two guide frames (806) extend to the outer side of the two guide columns (806) and are respectively connected with the two guide frames (806), and two ends of a spring (807) are respectively fixedly connected with a limiting plate (803) and a sliding plate (805), the upper surface of an L-shaped knife rest (808) is contacted with the lower surface of the limiting plate (803), a U-shaped knife (810) is bolted on the L-shaped knife rest (808) at the front side, two ends of the U-shaped knife (810) are respectively corresponding to two sides of a zipper, a tape cutting knife (811) is bolted on the L-shaped knife rest (808) at the rear side, and the bottom of the U-shaped knife (810) and the bottom of the tape cutting knife (811) are both contacted with the extending end of the amplitude transformer (702).

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