Rope binding machine

Abstract

The utility model discloses a rope binding machine which comprises a machine frame, a power transmission cam installation bottom plate is fixedly connected in the machine frame, a surface plate is fixedly connected to the top of the machine frame, an upper cover shell is fixedly connected to the top of the surface plate, and a paper bag moving platform is arranged on the inner side of the surface plate. A stringing mechanism is arranged on the upper surface of the plane plate and located on one side of the paper bag moving platform. Belongs to the technical field. After the rope binding machine is started, the paper bag moving platform sends a whole stack of paper bags into the machine tool, the rope penetrating needle penetrates through the paper bags to enable a rope to penetrate through the bags, then the rope pressing module starts the rope pressing clamping piece to clamp a penetrating rope head, the rope penetrating needle retreats, and then the rope knot tying twisting head rotates to twist and knot the penetrating rope. Then the knotted rope is tensioned through the knotting rope head tensioning hook, meanwhile, the tail end of the rope is cut off through the scissors, the paper bag moving platform retreats to complete the rope threading action, the operation is repeated, compared with manual rope threading, the rope threading efficiency is higher, and meanwhile the labor cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a string binding machine technical field, more specifically, relate to a string binding machine. BACKGROUND

[0002] Paper bag refers to the material containing a part of paper as long as the bag can be collectively called paper bag, and the characteristics are environmental protection, durability and beauty.

[0003] At present, many still through manual way carries out the string operation of paper bag, and the string efficiency is low, and the manual cost is high, cannot satisfy the required work efficiency requirement, therefore, we provide a string binding machine. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of string binding machine to solve the problems in the above background technology:

[0005] At present, many still through manual way carries out the string operation of paper bag, and the string efficiency is low, and the manual cost is high, cannot satisfy the required work efficiency requirement.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of string binding machine, including rack, the inside fixed connection of the rack has power transmission cam installation bottom plate, the top of the rack is fixedly connected with plane board, the top of the plane board is fixedly connected with upper casing, and operating area is provided outside upper casing, each electrical equipment can be controlled by the operation panel in the operating area, the inside of the plane board is provided with paper bag moving platform, the upper surface of the plane board and located one side of paper bag moving platform is provided with stringing mechanism, the top of the power transmission cam installation bottom plate is provided with power transmission cam mechanism, and power transmission cam mechanism transmits power to stringing mechanism and paper bag moving platform.

[0008] Preferably, the rope penetrating mechanism comprises a second moving base fixedly connected with the plane plate, one side of the second moving base being slidingly connected with a second fixed base, the inner side of the second fixed base being provided with a rope penetrating needle, the top of the plane plate away from one side of the second moving base being fixedly connected with a fixed rod, the outer side of the fixed rod being fixedly connected with a first rotating shaft, the outer side of the first rotating shaft being sleeved with a pressing rod, the pressing rod being rotatably connected with the first rotating shaft, the top of the plane plate close to one side of the second moving base being fixedly connected with a guide base, the inner side of the guide base being slidingly connected with a roller, the roller being used in cooperation with the pressing rod, a connecting rod being arranged between the power transmission cam mechanism and the roller, the power transmission cam mechanism driving the roller to reciprocatingly move up and down in the guide base through the connecting rod, when the roller moves upward, the roller will extrude the pressing rod upward and drive the pressing rod to rotate upward, at this time, the tension spring will also be stretched, when the roller moves downward, the tension of the tension spring will pull the pressing rod back to the original position.

[0009] Preferably, the pressing rod and the plane plate are provided with a tension spring, one end of the tension spring being fixedly connected with the pressing rod, the other end of the tension spring being fixedly connected with the plane plate, the tension of the tension spring being used to drive the pressing rod back to the original position.

[0010] Preferably, the outer side of the second fixed base is fixedly connected with a guide block, the inner side of the guide block is slidingly connected with a first guide rod, the bottom of the first guide rod is fixedly connected with a rope pressing plate, the top of the first guide rod is fixedly connected with a pressing block, the outer side of the first guide rod and between the pressing block and the guide block is sleeved with a first compression spring, the pressing rod moves downward to press the pressing block, the pressing block drives the rope pressing plate to move downward through the first guide rod, the rope pressing plate is driven back to the original position through the first compression spring.

[0011] Preferably, the inner side of the second moving base is provided with a first rope penetrating hole, the inner side of the second moving base and below the first rope penetrating hole is provided with a second rope penetrating hole, the inner side of the second fixed base is provided with a third rope penetrating hole, and the inner side of the rope penetrating needle is provided with a fourth rope penetrating hole.

[0012] Preferably, the paper bag moving platform comprises a first moving base slidingly connected with a plane plate, the top of the plane plate is fixedly connected with a first fixed base, the inner side of the first fixed base is rotatably connected with a second rotating shaft, the outer side of the second rotating shaft and on one side of the first fixed base is fixedly connected with a knot-tying rope head tension hook, the outer side of the second rotating shaft and on the other side of the first fixed base is fixedly connected with a gear, the outer side of the first fixed base is rotatably connected with a balance wheel, the balance wheel is meshingly connected with the gear, the inner side of the plane plate is fixedly connected with a rope pressing module, and the upper surface of the rope pressing module is provided with a rope pressing clamping piece.

[0013] Preferably, the bottom of the flat plate is fixedly connected with a guide rod, the outer side of the guide rod is slidably connected with a height adjusting rod, both ends of the height adjusting rod are fixedly connected with a backrest, both sides of the first moving seat are fixedly connected with a hanging plate, the inner side of the hanging plate is slidably connected with a second guide rod, the top of the second guide rod is fixedly connected with a paper bag pressing plate, the bottom of the second guide rod is fixedly connected with a supporting wheel, the outer side of the second guide rod and between the hanging plate and the supporting wheel is sleeved with a second compression spring, the top of the power transmission cam installation bottom plate is provided with a lead screw module, the lead screw module is used in cooperation with the height adjusting rod, the bottom of the lead screw module is fixedly connected with a first motor, the lead screw module is driven by the first motor, so that the height adjusting rod is driven by the lead screw module to move up and down, thereby adjusting the height of the paper bag pressing plate.

[0014] Preferably, the inner side of the flat plate is rotatably connected with a transmission shaft, one end of the transmission shaft is provided with a shaft coupling, the other end of the transmission shaft is provided with a first synchronous wheel, the other end of the shaft coupling is provided with a rope knot twisting head, the outer side of the rope pressing module is provided with scissors.

[0015] Preferably, the power transmission cam mechanism comprises a first speed reducer, the first speed reducer is fixedly connected with the power transmission cam installation bottom plate, one side of the first speed reducer is fixedly connected with a second motor, the output end of the first speed reducer is fixedly connected with a first chain wheel, the top of the power transmission cam installation bottom plate is rotatably connected with a main shaft, the outer side of the main shaft is fixedly connected with a second chain wheel, the first chain wheel and the second chain wheel are drivingly connected through a chain, the second motor drives the first speed reducer to rotate, the first speed reducer drives the main shaft to rotate through the first chain wheel, the second chain wheel and the chain, and the main shaft drives the second speed reducer to rotate through the first chain wheel, the second chain wheel and the chain, so that the second speed reducer drives the transmission shaft to rotate through the first synchronous wheel, the second synchronous wheel and the synchronous belt, the top of the power transmission cam installation bottom plate is fixedly connected with a second speed reducer, the output end of the second speed reducer is fixedly connected with a second synchronous wheel, and the second synchronous wheel and the first synchronous wheel are drivingly connected through a synchronous belt.

[0016] Compared with the prior art, the power transmission cam mechanism has the advantages that:

[0017] 1) The rope binding machine in use, the equipment before production and processing, manually put the rope into the rope penetrating mechanism, and then put the paper bag neatly into the paper bag inlet. After starting, the paper bag moving platform sends the whole stack of paper bags into the machine tool, the rope penetrating needle pierces the paper bag to penetrate the rope through the bag, and then the rope pressing module starts to press the rope clamping piece to clamp the rope end. The rope penetrating needle retreats, and then the knot twisting head rotates to twist and knot the penetrated rope. The knot tightening hook tightens the knotted rope, and the scissors cut the tail end of the rope. The paper bag moving platform retreats to complete the rope penetrating action. The machine runs in this way. The movement logic and sequence of each part are completed by cam and connecting rod. Compared with manual rope penetration, the efficiency is higher, and the labor cost is saved.

[0018] 2) The rope binding machine in use, the rope is first penetrated from the first rope penetrating hole or the second rope penetrating hole, and then penetrated through the third rope penetrating hole and the fourth rope penetrating hole on the rope penetrating needle. When the power transmission cam mechanism floats the connecting rod, the rope penetrating needle moves up and down to realize the rope penetrating action. When the rope penetrating needle moves downward, the pressure rod floating connecting rod also moves downward with the cam, so that the pressure rod always presses the rope downward by the tension of the stretching spring. This is to prevent the rope from being pulled back and off the needle. When the rope penetrating needle moves upward, the pressure rod floating connecting rod also moves upward with the cam, pushing the pressure rod to lift the rope pressing plate along the guide rod by the tension of the spring. At this time, the knotted rope has not been cut and is still connected with the rope pressing clamp. Therefore, when the needle moves upward, the rope can be automatically stretched to ensure that the rope always penetrates out and stays at the length reserved at the needle tip every time the rope penetrating needle moves up and down. This repeated movement realizes automatic rope penetration and needle piercing action, which is more efficient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic view of the overall structure of the utility model;

[0020] Figure 2 It is a schematic view of the structure of the rack of the utility model;

[0021] Figure 3 It is a schematic view of the structure of the flat plate of the utility model;

[0022] Figure 4 It is a schematic view of the structure of the rope penetrating mechanism of the utility model;

[0023] Figure 5 It is a cross-sectional view of the rope penetrating mechanism of the utility model;

[0024] Figure 6 It is a schematic view of the structure of the paper bag moving platform of the utility model;

[0025] Figure 7 It is a structure schematic view of the balance wheel of the utility model;

[0026] Figure 8 It is a structure schematic view of the transmission shaft of the utility model;

[0027] Figure 9 It is a structure schematic view of the second speed reducer of the utility model;

[0028] Figure 10 It is a structure schematic view of the power transmission cam mechanism of the utility model.

[0029] Explanation of reference numerals in the drawing: 1, frame; 2, power transmission cam mounting bottom plate; 3, plane plate; 4, upper cover; 5, paper bag moving platform; 501, first moving seat; 502, first fixed seat; 503, second rotating shaft; 504, knot rope head tension hook; 505, gear; 506, balance wheel; 507, rope pressing module; 508, rope pressing clamping piece; 509, guide rod; 510, height adjusting rod; 511, back plate; 512, hanging plate; 513, second guide rod; 514, paper bag pressing plate; 515, back wheel; 516, second compression spring; 517, screw rod module; 518, first motor; 519, transmission shaft; 520, shaft coupling; 521, first synchronous wheel; 522, knot tying twist head; 523, scissors; 6, rope threading mechanism; 601, second moving seat; 602, second fixed seat; 603, rope threading needle; 604, fixed rod; 605, first rotating shaft; 606, pressing rod; 607, guide seat; 608, roller; 609, stretching spring; 610, guide block; 611, first guide rod; 612, rope pressing plate; 613, pressing block; 614, first compression spring; 615, first rope threading hole; 616, second rope threading hole; 617, third rope threading hole; 618, fourth rope threading hole; 7, power transmission cam mechanism; 701, first speed reducer; 702, second motor; 703, first sprocket; 704, main shaft; 705, second sprocket; 706, chain; 707, second speed reducer; 708, second synchronous wheel; 709, synchronous belt. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] Please refer to Figures 1 to 10The utility model provides a kind of stringing machine, including rack 1, the inside fixed connection of rack 1 has power transmission cam installation base plate 2, the top of rack 1 is fixedly connected with plane board 3, the top of plane board 3 is fixedly connected with upper casing 4, and upper casing 4 outside is provided with operating area, and each electrical equipment can be controlled by the operating panel in the operating area, the inside of plane board 3 is provided with paper bag moving platform 5, the upper surface of plane board 3 and located one side of paper bag moving platform 5 is provided with threading mechanism 6, the top of power transmission cam installation base plate 2 is provided with power transmission cam mechanism 7, and power transmission cam mechanism 7 passes power to threading mechanism 6 and paper bag moving platform 5.

[0032] Further, threading mechanism 6 includes second mobile seat 601, second mobile seat 601 is fixedly connected with plane board 3, one side of second mobile seat 601 is slidably connected with second fixed seat 602, the inside of second fixed seat 602 is provided with threading needle 603, the top of plane board 3 is fixedly connected with fixed rod 604 away from one side of second mobile seat 601, the outside of fixed rod 604 is fixedly connected with first rotating shaft 605, the outside of first rotating shaft 605 is sleeved with pressing rod 606, and pressing rod 606 is rotatably connected with first rotating shaft 605, the top of plane board 3 is fixedly connected with guide seat 607 close to one side of second mobile seat 601, the inside of guide seat 607 is slidably connected with gyro wheel 608, and gyro wheel 608 is used in cooperation with pressing rod 606, and the gyro wheel 608 is slidably connected with gyro wheel 608 between power transmission cam mechanism 7 and pressing rod 606, and power transmission cam mechanism 7 drives gyro wheel 608 to reciprocate up and down in guide seat 607 through pressing rod floating link, when gyro wheel 608 moves upwards, gyro wheel 608 will extrude pressing rod 606 upwards and drive pressing rod 606 to rotate upwards, at this moment, stretching spring 609 will also be stretched, when gyro wheel 608 moves downwards, the tension of stretching spring 609 will pull pressing rod 606 back.

[0033] Further, the tension of stretching spring 609 is used to drive pressing rod 606 back.

[0034] Further, the outside of second fixed seat 602 is fixedly connected with guide block 610, the inside of guide block 610 is slidably connected with first guide rod 611, the bottom of first guide rod 611 is fixedly connected with pressing rope plate 612, the top of first guide rod 611 is fixedly connected with pressing block 613, the outside of first guide rod 611 and between pressing block 613 and guide block 610 is sleeved with first compression spring 614, pressing rod 606 moves downwards and presses down pressing block 613, and pressing block 613 drives pressing rope plate 612 to move downwards through first guide rod 611, and first compression spring 614 is used for the back of pressing rope plate 612. Further, the outside of second fixed seat 602 is fixedly connected with guide block 610, the inside of guide block 610 is slidably connected with first guide rod 611, the bottom of first guide rod 611 is fixedly connected with pressing rope plate 612, the top of first guide rod 611 is fixedly connected with pressing block 613, the outside of first guide rod 611 and between pressing block 613 and guide block 610 is sleeved with first compression spring 614, pressing rod 606 moves downwards and presses down pressing block 613, and pressing block 613 drives pressing rope plate 612 to move downwards through first guide rod 611, and first compression spring 614 is used for the back of pressing rope plate 612.

[0035] Further, the inside of the second mobile seat 601 is provided with a first rope passing hole 615, the inside of the second mobile seat 601 and below the first rope passing hole 615 is provided with a second rope passing hole 616, the inside of the second fixed seat 602 is provided with a third rope passing hole 617, and the inside of the rope passing needle 603 is provided with a fourth rope passing hole 618.

[0036] Further, the paper bag moving platform 5 comprises a first mobile seat 501, the first mobile seat 501 is in sliding connection with the plane plate 3, the top of the plane plate 3 is fixedly connected with a first fixed seat 502, the inside of the first fixed seat 502 is rotatably connected with a second rotating shaft 503, the outside of the second rotating shaft 503 and on one side of the first fixed seat 502 is fixedly connected with a knot rope head tension hook 504, the outside of the second rotating shaft 503 and on the other side of the first fixed seat 502 is fixedly connected with a gear 505, the outside of the first fixed seat 502 is rotatably connected with a balance wheel 506, the balance wheel 506 is in meshing connection with the gear 505, the inner side of the plane plate 3 is fixedly connected with a rope pressing module 507, and the upper surface of the rope pressing module 507 is provided with a rope pressing clamping piece 508.

[0037] Further, the bottom of the plane plate 3 is fixedly connected with a guide rod 509, the outside of the guide rod 509 is in sliding connection with a height adjusting rod 510, both ends of the height adjusting rod 510 are fixedly connected with a back plate 511, the corresponding two sides of the first mobile seat 501 are fixedly connected with a hanging plate 512, the inside of the hanging plate 512 is in sliding connection with a second guide rod 513, the top of the second guide rod 513 is fixedly connected with a paper bag pressing plate 514, the bottom of the second guide rod 513 is fixedly connected with a back wheel 515, the outside of the second guide rod 513 and between the hanging plate 512 and the back wheel 515 is sleeved with a second compression spring 516, the top of the power transmission cam installation bottom plate 2 is provided with a lead screw module 517, the lead screw module 517 is used in cooperation with the height adjusting rod 510, and the bottom of the lead screw module 517 is fixedly connected with a first motor 518.

[0038] Further, the inside of the plane plate 3 is rotatably connected with a transmission shaft 519, one end of the transmission shaft 519 is provided with a shaft coupling 520, the other end of the transmission shaft 519 is provided with a first synchronous wheel 521, the other end of the shaft coupling 520 is provided with a knot tying torsion head 522, and the outside of the rope pressing module 507 is provided with scissors 523.

[0039] Further, the power transmission cam mechanism 7 comprises a first speed reducer 701 fixedly connected with the power transmission cam mounting bottom plate 2, one side of the first speed reducer 701 is fixedly connected with a second motor 702, the output end of the first speed reducer 701 is fixedly connected with a first chain wheel 703, the top of the power transmission cam mounting bottom plate 2 is rotatably connected with a main shaft 704, the outside of the main shaft 704 is fixedly connected with a second chain wheel 705, the second chain wheel 705 and the first chain wheel 703 are drivingly connected through a chain 706, the second motor 702 drives the first speed reducer 701 to rotate, the first speed reducer 701 drives the main shaft 704 to rotate through the first chain wheel 703, the second chain wheel 705 and the chain 706, the main shaft 704 also drives the second speed reducer 707 to rotate through the first chain wheel 703, the second chain wheel 705 and the chain 706, so that the second speed reducer 707 drives the transmission shaft 519 to rotate through the first synchronous wheel 521, the second synchronous wheel 708 and the synchronous belt 709, the top of the power transmission cam mounting bottom plate 2 is fixedly connected with the second speed reducer 707, the output end of the second speed reducer 707 is fixedly connected with the second synchronous wheel 708, the second synchronous wheel 708 and the first synchronous wheel 521 are drivingly connected through the synchronous belt 709.

[0040] The utility model uses steps: the rope machine is in use, first, the rope is from first rope hole 615 or second rope hole 616 is passed through third rope hole 617 and is passed through fourth rope hole 618 on the rope needle 603 again, the structure of rope needle 603 is external circular, there is a perforation in the middle, the needle head has a flat sharp, and there is a transverse through hole connecting the middle perforation of needle interior at eight to ten millimeters from the sharp part. When power transmission cam mechanism 7 floating link, rope needle 603 does up and down movement, realizes the rope action, when rope needle 603 moves downward, the pressure bar floating link also follows the cam and moves downward, makes the pressure bar 606 through the tension of the stretching spring 609 and always presses down the rope pressure, this is to press down the rope and prevent the rope from pulling back and taking off the needle, when rope needle 603 moves downward, the rope at the needle head is still in the free state, when the rope passes through first rope hole 615 and second rope hole 616, there will be a certain friction between the rope and the hole, when rope needle 603 moves upward, the pressure bar floating link also follows the cam and moves upward, pushes the pressure bar 606 and lifts the rope pressing plate 612 at this time along the guide rod using the tension of the spring, and the rope is not cut off at this time, and is still connected with the rope pressing clamp 508, so when the needle moves upward, the rope can be automatically stretched to ensure that the rope always stays in the needle tip reserved length when rope needle 603 does up and down reciprocating motion every time. Repeat the movement to realize automatic rope and needle action, before the equipment is produced and processed, manually put the rope into the rope mechanism 6, then put the product paper bag neatly into the paper bag inlet, press the start button, the machine starts, the paper bag moving platform 5 sends the paper bag to the machine, the rope needle 603 pierces the paper bag and penetrates the bag, then the rope pressing module 507 starts the rope pressing clamp 508 and clamps the rope head, the rope needle 603 retreats, then the knot twisting head 522 rotates and twists the rope, then the knot head tension hook 504 tightens the knot, and the rope tail is cut off by scissors 523, and the paper bag moving platform 5 retreats to complete the rope action. The movement logic and sequence of each part of the mechanism are completed by the cam and the connecting rod when the machine runs.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model and do not limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A subscription rope machine, comprising a rack (1), the inside of the rack (1) is fixedly connected with a power transmission cam mounting bottom plate (2), the top of the rack (1) is fixedly connected with a flat plate (3), the top of the flat plate (3) is fixedly connected with an upper cover (4), characterized in that: The inner side of the flat plate (3) is provided with a paper bag moving platform (5), the upper surface of the flat plate (3) and one side of the paper bag moving platform (5) are provided with a string penetrating mechanism (6), and the top of the power transmission cam mounting bottom plate (2) is provided with a power transmission cam mechanism (7).

2. A strapping machine according to claim 1, characterised in that: The string penetrating mechanism (6) comprises a second moving seat (601), the second moving seat (601) is fixedly connected with the flat plate (3), one side of the second moving seat (601) is slidably connected with a second fixed seat (602), the inner side of the second fixed seat (602) is provided with a string penetrating needle (603), the top of the flat plate (3) is fixedly connected with a fixed rod (604) away from one side of the second moving seat (601), the outer side of the fixed rod (604) is fixedly connected with a first rotating shaft (605), the outer side of the first rotating shaft (605) is sleeved with a pressing rod (606), the pressing rod (606) is rotatably connected with the first rotating shaft (605), the top of the flat plate (3) is fixedly connected with a guide seat (607) close to the second moving seat (601), the inner side of the guide seat (607) is slidably connected with a roller (608), and the roller (608) is used in cooperation with the pressing rod (606).

3. A strapping machine according to claim 2, characterised in that: A tension spring (609) is arranged between the pressing rod (606) and the flat plate (3), one end of the tension spring (609) is fixedly connected with the pressing rod (606), and the other end of the tension spring (609) is fixedly connected with the flat plate (3).

4. A strapping machine according to claim 2, wherein: The outer side of the second fixed seat (602) is fixedly connected with a guide block (610), the inner side of the guide block (610) is slidably connected with a first guide rod (611), the bottom of the first guide rod (611) is fixedly connected with a string pressing plate (612), the top of the first guide rod (611) is fixedly connected with a pressing block (613), and the outer side of the first guide rod (611) and between the pressing block (613) and the guide block (610) are sleeved with a first compression spring (614).

5. A strapping machine according to claim 2, wherein: The inner side of the second moving seat (601) is provided with a first string penetrating hole (615), the inner side of the second moving seat (601) and below the first string penetrating hole (615) are provided with a second string penetrating hole (616), the inner side of the second fixed seat (602) is provided with a third string penetrating hole (617), and the inner side of the string penetrating needle (603) is provided with a fourth string penetrating hole (618).

6. A strapping machine according to claim 1, wherein: The paper bag moving platform (5) comprises a first moving seat (501), the first moving seat (501) is slidably connected with a plane plate (3), the top of the plane plate (3) is fixedly connected with a first fixed seat (502), the inside of the first fixed seat (502) is rotatably connected with a second rotating shaft (503), the outside of the second rotating shaft (503) and one side of the first fixed seat (502) are fixedly connected with a knot rope head tension hook (504), the outside of the second rotating shaft (503) and the other side of the first fixed seat (502) are fixedly connected with a gear (505), the outside of the first fixed seat (502) is rotatably connected with a balance wheel (506), the balance wheel (506) is meshedly connected with the gear (505), the inner side of the plane plate (3) is fixedly connected with a rope pressing module (507), the upper surface of the rope pressing module (507) is provided with a rope pressing clamping piece (508).

7. A strapping machine according to claim 6, characterised in that: The bottom of the plane plate (3) is fixedly connected with a guide rod (509), the outside of the guide rod (509) is slidably connected with a height adjusting rod (510), both ends of the height adjusting rod (510) are fixedly connected with a back plate (511), the corresponding two sides of the first moving seat (501) are fixedly connected with a hanging plate (512), the inside of the hanging plate (512) is slidably connected with a second guide rod (513), the top of the second guide rod (513) is fixedly connected with a paper bag pressing plate (514), the bottom of the second guide rod (513) is fixedly connected with a back wheel (515), the outside of the second guide rod (513) and between the hanging plate (512) and the back wheel (515) is sleeved with a second compression spring (516), the top of the power transmission cam mounting bottom plate (2) is provided with a lead screw module (517), the lead screw module (517) is used in cooperation with the height adjusting rod (510), the bottom of the lead screw module (517) is fixedly connected with a first motor (518).

8. A strapping machine according to claim 6, wherein: The inside of the plane plate (3) is rotatably connected with a transmission shaft (519), one end of the transmission shaft (519) is provided with a shaft coupling (520), the other end of the transmission shaft (519) is provided with a first synchronous wheel (521), the other end of the shaft coupling (520) is provided with a knot tying twist head (522), the outside of the rope pressing module (507) is provided with scissors (523).

9. A strapping machine according to claim 1 wherein: The power transmission cam mechanism (7) includes a first speed reducer (701), the first speed reducer (701) is fixedly connected with the power transmission cam mounting bottom plate (2), one side of the first speed reducer (701) is fixedly connected with a second motor (702), the output end of the first speed reducer (701) is fixedly connected with a first sprocket (703), the top of the power transmission cam mounting bottom plate (2) is rotatably connected with a main shaft (704), the outside of the main shaft (704) is fixedly connected with a second sprocket (705), the second sprocket (705) and the first sprocket (703) are drivingly connected through a chain (706), the top of the power transmission cam mounting bottom plate (2) is fixedly connected with a second speed reducer (707), the output end of the second speed reducer (707) is fixedly connected with a second synchronous wheel (708), the second synchronous wheel (708) and the first synchronous wheel (521) are drivingly connected through a synchronous belt (709).

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