Technology for pressing label on non-woven fabric packaging bag through ultrasonic waves

Abstract

The invention belongs to the technical field of label processing, and provides a process for pressing a label onto a non-woven fabric packaging bag through ultrasonic waves, which comprises a support frame, a connecting frame and a bearing frame fixedly arranged at the top of the support frame, and a conveying frame is fixedly arranged in the bearing frame; the storage mechanism is fixedly arranged on the supporting frame; the material taking mechanism is fixedly arranged in the bearing frame; the conveying mechanism is arranged in the conveying frame in a transmission manner; the hot pressing mechanism is slidably arranged in the connecting frame; a label storage frame is fixedly arranged on the supporting frame, labels to be machined can be stored and used conveniently, then the labels are separated and conveyed through the conveying belt in cooperation with a limiting piece, the labels can be effectively and neatly conveyed to a second driving piece, and finally the labels conveyed by the conveying belt are adsorbed and taken through a third adsorption piece on the second driving piece. And the driving part II is hot-pressed on the non-woven fabric through ultrasonic waves, so that the purpose of efficiently processing the label in a process manner is achieved, and the production and processing cost of the label is effectively saved.

Description

Technical Field

[0001] The invention belongs to the technical field of label processing, in particular to a process for pressing a label onto a non-woven fabric packaging bag by using ultrasonic waves. Background Art

[0002] From its most basic definition, a sign is a visual display tool used for identification, indication, guidance or warning. It mainly conveys information through words, symbols, patterns or their combination. The sign design should be able to clearly convey information while coordinating with the surrounding environment and atmosphere to enhance the overall visual effect and user experience.

[0003] However, the main process technology for label processing is still through sewing technology, which is controlled by computer and mechanically or manually, which is labor-intensive and time-consuming, and it is difficult to achieve automated production. In addition, after the packaging bag is formed, sewing the label is inefficient, and the operation steps are cumbersome and complicated. There are problems of high label processing cost and low label processing efficiency.

[0004] To this end, those skilled in the art have proposed a process of pressing a label onto a non-woven packaging bag using ultrasound to solve the problems raised in the background art. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a process for pressing a label onto a non-woven packaging bag using ultrasound, so as to solve the problems of low label processing efficiency and high production cost in the prior art.

[0006] A process for ultrasonically pressing a label onto a non-woven packaging bag comprises: a support frame and a connecting frame, and a receiving frame fixedly arranged on the top of the support frame, and a conveying frame fixedly arranged inside the receiving frame; a storage mechanism fixedly arranged on the support frame and used for storing the label; a material taking mechanism fixedly arranged in the receiving frame and used for grabbing the label in the storage mechanism for conveying; a conveying mechanism transmission-arranged inside the conveying frame and used for transmitting the label; and a hot pressing mechanism slidably arranged in the connecting frame and used for grabbing and hot pressing the label.

[0007] Preferably, the storage mechanism includes a sign storage rack slidably arranged on the top of the support frame, an adjusting roller is screwed together between the sign storage rack and the support frame, and a plurality of signs are stored inside the sign storage rack; a slide rail 2 is fixedly arranged on the top of the support frame, a motor 4 is fixedly arranged inside the support frame, a driving belt 4 is transmitted between the output end of the motor 4 and one end of the adjusting roller; and the sign storage rack is slidably arranged on the top of the support frame via the slide rail 2.

[0008] Preferably, the material picking mechanism includes a receiving frame fixedly arranged on the supporting frame, a driving member 1 is rotatably arranged on the receiving frame, and a first adsorption member and a second adsorption member are symmetrically fixedly arranged on the bottom of the driving member 1; a motor 3 is fixedly arranged on the receiving frame, and a driving belt 3 is transmitted between the output end of the motor 3 and one end of the driving member 1.

[0009] Preferably, the conveying mechanism includes a conveyor belt that is transmitted and arranged inside the conveying frame, and a plurality of limit plates are fixedly arranged on the conveyor belt; a second motor is fixedly arranged on the inner wall of the conveying frame, a driving shaft is rotatably arranged inside the conveying frame, and the driving shaft is located inside the conveyor belt, and a driving belt 2 is transmitted and arranged between the output end of the second motor and one end of the driving shaft.

[0010] Preferably, the conveying mechanism further comprises a plurality of driven shafts rotatably disposed inside the conveying frame, and the plurality of driven shafts are all located inside the conveying belt.

[0011] Preferably, the hot pressing mechanism includes a plurality of slide rails 1 fixedly arranged on the connecting frame, a driving member 2 is slidably arranged on the top side of the inner part of the connecting frame through the slide rail 1, and two No. 3 adsorption members are slidably arranged at the bottom of the driving member 2; a motor 1 is fixedly arranged on the connecting frame, an auxiliary rotating shaft is rotatably arranged on the side wall of the connecting frame, a driving belt 1 is transmitted between the output end of the motor 1 and the auxiliary rotating shaft, and the driving belt 1 and the driving member 2 are fixedly arranged.

[0012] Preferably, the hot pressing mechanism further comprises an adjusting frame slidably arranged on a slide rail on the bottom side of the connecting frame, and a feeding roller is rotatably arranged on the adjusting frame.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] By fixing a label storage rack on the support frame, it is convenient to store and use the labels to be processed, and the No. 1 adsorption piece and the No. 2 adsorption piece in the receiving frame can improve the efficiency of taking the labels. The conveyor belt cooperates with the limit plate to separate and transport the labels, and the labels can be effectively and neatly transported to the driving component two. Finally, the No. 3 adsorption piece on the driving component two adsorbs and picks up the labels transported by the conveyor belt, and then the driving component two uses ultrasonic heat pressing on the non-woven fabric, so as to achieve the purpose of efficient process processing of the labels and effectively save the production and processing costs of the labels. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the sign processing device of the present invention;

[0016] Figure 2 Take the structural diagram for the sign of the present invention;

[0017] Figure 3 This is a structural diagram of the sign processing of the present invention;

[0018] Figure 4 It is the overall structure diagram of the sign storage rack of the present invention;

[0019] Figure 5 A diagram showing a connection structure of a driving member of the present invention;

[0020] Figure 6 It is a structural diagram of the conveyor belt drive of the present invention;

[0021] Figure 7 It is a structural diagram of the feed roller shaft connection of the present invention;

[0022] Figure 8 This is a driving structure diagram of the second driving member of the present invention.

[0023] In the figure:

[0024] 1. Support frame; 2. Label storage rack; 3. Conveyor belt; 4. Receiving frame; 5. Driving component one; 6. Conveying frame; 7. Connecting frame; 8. Motor one; 9. Driving component two; 10. Feed roller; 11. Motor two; 12. Driving belt two; 13. Active shaft; 14. Motor three; 15. Driving belt three; 16. Adsorption component one; 17. Adsorption component two; 18. Slide rail one; 19. Adjusting frame; 20. Adsorption component three; 21. Motor four; 22. Driving belt four; 23. Slide rail two; 24. Adjusting roller; 25. Limiting piece; 26. Driven shaft; 27. Driving belt one; 28. Auxiliary rotating shaft. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 8 As shown:

[0028] The present invention provides a process for ultrasonically pressing a label onto a non-woven packaging bag, comprising: a support frame 1 and a connecting frame 7, and a receiving frame 4 fixedly arranged on the top of the support frame 1, and a conveying frame 6 fixedly arranged inside the receiving frame 4; a material storage mechanism fixedly arranged on the support frame 1, used for storing labels; a material taking mechanism fixedly arranged in the receiving frame 4, used for grabbing the labels in the material storage mechanism for conveying; a conveying mechanism, which is transmission-arranged inside the conveying frame 6, used for label transmission; a hot pressing mechanism, which is slidably arranged in the connecting frame 7, used for grabbing and hot pressing the labels;

[0029] By fixing a sign storage rack 2 on the support frame 1, it is convenient to store and use the sign to be processed, and the No. 1 adsorption member 16 and the No. 2 adsorption member 17 in the receiving frame 4 can improve the efficiency of taking the sign. The conveyor belt 3 cooperates with the limiting plate 25 to separate and transport the sign, and can effectively and neatly transport the sign to the driving member 2 9. Finally, the No. 3 adsorption member 20 on the driving member 2 9 adsorbs and picks up the sign transported by the conveyor belt 3, and then the driving member 2 9 uses ultrasonic heat pressing on the non-woven fabric, so as to achieve the purpose of efficient process processing of the sign, and effectively save the production and processing cost of the sign.

[0030] Embodiment 2:

[0031] refer to Figure 1 and Figure 4 The material storage mechanism includes a support frame 1, a sign storage frame 2, a motor 4 21 and an adjusting roller shaft 24;

[0032] By fixing the sign storage rack 2 on the support frame 1, the sign can be easily stored inside the sign storage rack 2, and the inside of the support frame 1 is located at the bottom of the sign storage rack 2, and a pushing device is provided, so that the sign stored inside the sign storage rack 2 can be gradually pushed upward for grabbing and processing, {the pushing mechanism includes but is not limited to a pneumatic device, a hydraulic rod and an electric push rod, etc., which is an existing technology that has been widely used in society and will not be repeated here};

[0033] At the same time, a motor 21 is fixedly connected to the inside of the support frame 1, and a slide rail 23 is fixedly connected to the top of the support frame 1, and an adjusting roller 24 is screwed and connected between the sign storage rack 2 and the support frame 1, and one end of the adjusting roller 24 is connected to the output end of the motor 21 through a driving belt 4 22, so that the motor 21 can drive the adjusting roller 24 to rotate through the driving belt 4 22, thereby driving the sign storage rack 2 to slide and adjust on the slide rail 23 through the rotating adjusting roller 24, so as to achieve the purpose of facilitating the use position adjustment of the sign storage rack 2 on the top of the support frame 1, and then facilitating the storage and use of various types of signs.

[0034] refer to Figure 1 , Figure 2 and Figure 5 , the material taking mechanism includes a receiving frame 4, a driving member 1 5, a No. 1 adsorption member 16, a No. 2 adsorption member 16 and a motor 3 14;

[0035] By fixing a receiving frame 4 on the top of the support frame 1, and rotatably connecting a driving member 15 on the receiving frame 4, and symmetrically fixing a No. 1 adsorption member 16 and a No. 2 adsorption member 17 on the bottom of the driving member 15, when the sign is processed and used, the No. 1 adsorption member 16 or the No. 2 adsorption member 17 can be attached to the sign placed in the sign storage rack 2 through the bottom, and then the No. 1 adsorption member 16 or the No. 2 adsorption member 17 can adsorb and take the sign, so that the sign can be quickly taken and processed by the driving member 5;

[0036] At the same time, a motor 3 14 is fixedly connected to the receiving frame 4, and the output end of the receiving frame 4 is connected to one end of the driving member 1 5 through a driving belt 3 15, so that the output end of the motor 3 14 can drive the driving belt 3 15 to rotate, so that the motor 3 14 can drive the No. 1 adsorption member 16 and the No. 2 adsorption member 17 to rotate and work alternately. When the No. 1 adsorption member 16 and the No. 2 adsorption member 17 are taking the label, the No. 1 adsorption member 16 first adsorbs and takes the label in the label storage rack 2, and then the motor 3 14 drives the driving member 1 5 to rotate, so that the No. 1 adsorption member 16 rotates the label from the label storage rack 2 to the conveyor belt 3 and places it on the conveyor belt 3. At this time, the No. 2 adsorption member 17 rotates and exchanges to the top of the label storage rack 2 to take the label, so that the No. 1 adsorption member 16 and the No. 2 adsorption member 17 alternately take the label in the label storage rack 2, thereby improving the efficiency of taking the label;

[0037] Secondly, suction piece No. 1 16 and suction piece No. 2 17 are both provided with hydraulic cylinders, which can make suction piece No. 1 16 and suction piece No. 2 17 extend and retract up and down, so that when suction piece No. 1 16 and suction piece No. 2 17 rotate above the sign storage rack 2 and the conveyor belt 3, they can extend downward to adsorb and pick up the sign, then retract upward and be driven to rotate by motor three 14, and finally extend downward to place the sign on the conveyor belt 3 {the cylinder structure in suction piece No. 1 16 and suction piece No. 2 17 is a prior art that has been widely used in society and will not be repeated here}.

[0038] Embodiment three:

[0039] refer to Figure 1 , Figure 2 and Figure 6 The conveying mechanism includes a conveying frame 6, a conveying belt 3, a motor 11 and a driving shaft 13;

[0040] The conveyor belt 3 is connected to the conveyor frame 6 for transmission and transportation, so that the conveyor belt 3 can be used for transmission and transportation inside the conveyor frame 6, so as to facilitate the transmission and delivery of the sign placed on the conveyor belt 3 to the processing place, and a plurality of limit plates 25 are fixedly connected to the conveyor belt 3, so that when the sign is placed on the conveyor belt 3 for transportation, it can be limited and divided by the plurality of limit plates 25, and the sign can be limited to prevent the sign from stacking and falling during transportation;

[0041] At the same time, a motor 2 11 is fixedly connected inside the conveyor frame 6, and a driving shaft 13 is rotatably connected inside the conveyor frame 6 and located inside the conveyor belt 3, so that the output end of the motor 2 11 can drive the driving shaft 13 to rotate through the driving belt 2 12, so as to facilitate driving the conveyor belt 3 for transmission and transportation, and a plurality of driven shafts 26 are rotatably connected inside the conveyor belt 3 inside the conveyor frame 6, so that when the conveyor belt 3 is driven by the motor 2 11 to transport the label, it can be assisted by the driven shafts 26 for rotation and transportation, so that the conveyor belt 3 is more stable when transporting the label;

[0042] Secondly, when the conveyor belt 3 is transporting and conveying the label, it is picked up and placed in cooperation with the No. 1 adsorption member 16 and the No. 2 adsorption member 17. When the No. 1 adsorption member 16 or the No. 2 adsorption member 17 places the adsorbed label on the conveyor belt 3, the motor 2 11 will drive the conveyor belt 3 to transmit, so that the No. 1 adsorption member 16 or the No. 2 adsorption member 17 can pick up and place the label next time.

[0043] refer to Figure 1 , Figure 3 , Figure 7 and Figure 8 The hot pressing mechanism includes a connecting frame 7, a slide rail 18, a motor 8, a driving member 9 and an adjusting frame 19;

[0044] By fixing a plurality of slide rails 18 on the top and bottom sides of the connecting frame 7, the connecting frame 7 is slidably connected to an adjusting frame 19 through the slide rail 18 on the bottom side thereof, and a feed roller shaft 10 is rotatably connected to the adjusting frame 19, so that the connecting frame 7 can support the non-woven fabric through the feed roller shaft 10 during use, and the adjusting frame 19 can adjust the processing position of the non-woven fabric supported on the feed roller shaft 10 in the connecting frame 7 through the slide rail 18, so as to facilitate the support processing of non-woven fabrics of various sizes and types;

[0045] At the same time, a driving member 29 is slidably connected to the top side of the connection frame 7 through a slide rail 18, and a No. 3 adsorption member 20 is slidably connected to the bottom of the driving member 29, and a motor 18 is slidably connected to the inside of the connection frame 7, so that the motor 18 cooperates with the auxiliary rotating shaft 28 connected to the connection frame 7 to drive the driving belt 127 for use; when the motor 18 drives the driving belt 127 for use, the driving member 29 fixedly connected to the connection frame 7 will be driven by the driving belt 127 to slide and adjust on the slide rail 18 on the top side of the connection frame 7, so that the driving member 29 and the No. 3 adsorption member 20 can slide and adjust their positions inside the connection frame 7 for use;

[0046] Secondly, when the driving member 29 is in use, the motor 18 drives the driving member 29 to slide above the conveyor belt 3, and then the No. 3 adsorption member 20 is lowered to adsorb the label on the No. 3 adsorption member 20, and then the motor 18 drives the driving member 29 to move above the non-woven fabric supported on the feed roller 10. At this time, the driving member 29 and the No. 3 adsorption member 20 are lowered at the same time, and the driving member 29 will perform ultrasonic heating on the label placed on the non-woven fabric. When the label is lowered from the No. 3 adsorption member 20 and placed on the non-woven fabric, the driving member 29 will gently press the label, and the non-woven fabric can be hot-pressed and fixed on the non-woven fabric, so as to facilitate the rapid hot-pressing and fixing of the label on the non-woven fabric, which greatly improves the processing efficiency of the label;

[0047] In addition, a hydraulic cylinder is provided in the driving member 29, which can make the hot pressing end of the driving member 29 and the third adsorption member 20 extend and retract upward or downward, so as to facilitate the adsorption and picking of the sign, and to place it downward and fix it by hot pressing by the hot pressing end of the driving member 29.

[0048] Working principle: by fixing a sign storage rack 2 on the support frame 1, the sign can be easily stored inside the sign storage rack 2, and the inside of the support frame 1 is located at the bottom of the sign storage rack 2, and a pushing device is provided, so that the sign stored inside the sign storage rack 2 can be gradually pushed upward for grabbing and processing, and a receiving frame 4 is fixedly connected to the top of the support frame 1, and a driving member 1 5 is rotatably connected to the receiving frame 4, and a No. 1 adsorption member 16 and a No. 2 adsorption member 17 are symmetrically fixedly connected to the bottom of the driving member 1 5, so that when the sign is processed and used, it can be attached to the bottom of the No. 1 adsorption member 16 or the No. 2 adsorption member 17. The conveyor 6 is mounted on a sign placed in the sign storage rack 2, and then the sign is adsorbed and picked up by the first adsorption member 16 or the second adsorption member 17, so that the sign can be quickly picked up and processed by the driving member 5. At the same time, a conveyor belt 3 is connected to the internal transmission of the conveyor rack 6, so that the conveyor belt 3 can be used for transmission and transportation inside the conveyor rack 6, so that the sign placed on the conveyor belt 3 is conveniently transmitted and transported to the processing site, and a plurality of limit plates 25 are fixedly connected to the conveyor belt 3, so that when the sign is placed on the conveyor belt 3 for transportation, it can be limited and divided by the plurality of limit plates 25, and the sign can be processed. The connecting frame 7 is provided with a plurality of slide rails 18 fixedly connected to the top and bottom of the connecting frame 7, so that the connecting frame 7 is slidably connected to the adjusting frame 19 through the slide rail 18 on the bottom of the connecting frame 7, and the feeding roller shaft 10 is rotatably connected to the adjusting frame 19, so that the connecting frame 7 can support the non-woven fabric through the feeding roller shaft 10 during use, and the adjusting frame 19 can adjust the processing position of the non-woven fabric supported on the feeding roller shaft 10 in the connecting frame 7 through the slide rail 18, so as to facilitate the support and processing of non-woven fabrics of various sizes and types. In addition, when the driving member 29 is used, the motor 8 drives the non-woven fabric to move. The dynamic driving component 29 slides to the top of the conveyor belt 3, and then the No. 3 adsorption component 20 descends to adsorb the label on the No. 3 adsorption component 20, and then the motor 1 8 drives the driving component 29 to move to the top of the non-woven fabric supported on the feed roller 10. At this time, the driving component 29 and the No. 3 adsorption component 20 descend at the same time, and the driving component 29 will ultrasonically heat the label placed on the non-woven fabric. When the label is lowered from the No. 3 adsorption component 20 and placed on the non-woven fabric, the driving component 29 will gently press the label to hot-press and fix the non-woven fabric on the non-woven fabric, so as to facilitate the rapid hot-pressing and fixing of the label on the non-woven fabric, which greatly improves the processing efficiency of the label.

[0049] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

[0050] A few final points should be made:

[0051] First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two elements, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change.

[0052] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0053] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0054] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A process for pressing a label onto a non-woven packaging bag using ultrasound, characterized in that: include: A support frame (1) and a connecting frame (7), and a receiving frame (4) fixedly arranged on the top of the support frame (1), and a conveying frame (6) fixedly arranged inside the receiving frame (4); A material storage mechanism, fixedly arranged on the support frame (1), and used for storing the signboards; A material taking mechanism is fixedly arranged in the receiving frame (4) and is used to grab the labels in the material storage mechanism for transportation; A conveying mechanism is arranged inside the conveying frame (6) and is used for conveying the sign; The hot pressing mechanism is slidably arranged in the connecting frame (7) and is used for grabbing and hot pressing the sign.

2. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 1, characterized in that: The material storage mechanism comprises a signboard storage rack (2) slidably arranged on the top of the support frame (1), an adjusting roller shaft (24) is screwed between the signboard storage rack (2) and the support frame (1), and a plurality of signboards are stored inside the signboard storage rack (2); A second slide rail (23) is fixedly arranged on the top of the support frame (1), a fourth motor (21) is fixedly arranged inside the support frame (1), and a fourth drive belt (22) is arranged for transmission between the output end of the fourth motor (21) and one end of the adjusting roller shaft (24); Furthermore, the sign storage rack (2) is slidably arranged on the top of the support frame (1) via the second slide rail (23).

3. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 1, characterized in that: The material taking mechanism comprises a receiving frame (4) fixedly arranged on the supporting frame (1), a driving member 1 (5) is rotatably arranged on the receiving frame (4), and a first adsorption member (16) and a second adsorption member (17) are symmetrically fixedly arranged at the bottom of the driving member 1 (5); A motor three (14) is fixedly arranged on the receiving frame (4), and a driving belt three (15) is arranged for transmission between the output end of the motor three (14) and one end of the driving member one (5).

4. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 1, characterized in that: The conveying mechanism comprises a conveying belt (3) which is driven and arranged inside a conveying frame (6), and a plurality of limiting plates (25) are fixedly arranged on the conveying belt (3); A second motor (11) is fixedly arranged on the inner wall of the conveying frame (6), a driving shaft (13) is rotatably arranged inside the conveying frame (6), and the driving shaft (13) is located inside the conveying belt (3), and a second driving belt (12) is arranged for transmission between the output end of the second motor (11) and one end of the driving shaft (13).

5. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 4, characterized in that: The conveying mechanism further comprises a plurality of driven shafts (26) rotatably arranged inside the conveying frame (6), and the plurality of driven shafts (26) are all located inside the conveying belt (3).

6. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 1, characterized in that: The hot pressing mechanism comprises a plurality of slide rails (18) fixedly arranged on the connecting frame (7), a driving member (9) is slidably arranged on the top side of the connecting frame (7) via the slide rails (18), and two No. 3 adsorption members (20) are slidably arranged on the bottom of the driving member (9); A motor 1 (8) is fixedly arranged on the connecting frame (7), an auxiliary rotating shaft (28) is rotatably arranged on the side wall of the connecting frame (7), a driving belt 1 (27) is transmitted between the output end of the motor 1 (8) and the auxiliary rotating shaft (28), and the driving belt 1 (27) is fixedly arranged with the driving member 2 (9).

7. A process for ultrasonically pressing a label onto a non-woven packaging bag as claimed in claim 1, characterized in that: The hot pressing mechanism also includes an adjusting frame (19) slidably arranged on a slide rail (18) at the bottom side of the connecting frame (7), and a feeding roller shaft (10) is rotatably arranged on the adjusting frame (19).

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