Ultrasonic welding sealing type reciprocating packaging machine

Abstract

The utility model relates to the technical field of sealing packaging machines, in particular to an ultrasonic welding sealing type reciprocating packaging machine. Comprising a feeding mechanism, a feeding mechanism and a bag making mechanism, a coiled material conveying mechanism is arranged below the position between the feeding mechanism and the bag making mechanism, a longitudinal sealing mechanism is arranged at the end, close to the bag making mechanism, of the feeding mechanism, and an ultrasonic sealing and cutting mechanism is arranged at the end, away from the bag making mechanism, of the feeding mechanism; a bag making device is detachably arranged on the adjusting mounting plate, the adjusting mounting plate comprises two supporting plates arranged at intervals, and the longitudinal sealing mechanism comprises a longitudinal sealing assembly and a vertical adjusting assembly used for supporting the longitudinal sealing assembly and driving the longitudinal sealing assembly to move up and down. A material pressing mechanism is further arranged between the longitudinal sealing mechanism and the ultrasonic sealing and cutting mechanism. According to the utility model, the complete automatic process from material conveying to product packaging is realized, the manual intervention is reduced, the production efficiency is improved, and the use flexibility of the equipment is strong.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing and packaging machine technical field, concretely relates to a kind of ultrasonic welding sealing and reciprocating type packaging machine. BACKGROUND

[0002] At present, because the market demand of fried dough sticks is extremely large, so the demand of fried dough sticks is also very large, traditional manual operation mode cannot satisfy market demand, now generally adopt automatic production equipment to mass production, traditional is to adopt artificial bagging, sealing, because the speed of automatic production equipment production fried dough stick is relatively fast, artificial use prefabricated bag, fried dough stick bagging speed cannot keep up with the speed of production, will cause product to be accumulated together, cause defective product, artificial bagging efficiency is low, there is the risk of mispack quantity. Because the thickness of prefabricated bag is only 0.04mm, prefabricated bag material belongs to polyethylene, is abbreviated as PE, PE packaging film sealing temperature is usually at 120-130 degrees, hot melt is sensitive to sealing temperature, pressure, artificial is prone to break, gas leakage, sealing deformation, and existing reciprocating packaging equipment is not suitable for the function of continuous sealing of PE packaging film. In addition, when different specifications of products are packaged, it is inconvenient to adjust and adapt, and the use flexibility is poor. SUMMARY

[0003] The utility model provides a kind of ultrasonic welding sealing and reciprocating type packaging machine to solve the technical problem that reciprocating packaging equipment in prior art is not suitable for the continuous sealing of PE packaging film, and poor use flexibility.

[0004] To solve the above problems, the ultrasonic welding sealing and reciprocating type packaging machine provided by the utility model adopts the following technical scheme:

[0005] It comprises feeding mechanism, feeding mechanism and bag making mechanism between feeding mechanism, the lower part between feeding mechanism and bag making mechanism is equipped with roll material conveying mechanism, the end close to bag making mechanism of feeding mechanism is equipped with longitudinal sealing mechanism, the end away from bag making mechanism of feeding mechanism is equipped with ultrasonic sealing and cutting mechanism, the bag making mechanism includes base, the base is equipped with adjusting mounting plate, the adjusting mounting plate is detachably equipped with bag maker, the adjusting mounting plate includes two support plates spaced apart, the spacing between the two support plates is adjusted to adapt to bag maker of different specifications.

[0006] The longitudinal sealing mechanism includes longitudinal sealing assembly and vertical adjusting assembly for supporting longitudinal sealing assembly and driving longitudinal sealing assembly to move up and down.

[0007] Height-adjustable pressing mechanism is further provided between the longitudinal sealing mechanism and the ultrasonic sealing and cutting mechanism.

[0008] Further, the bottom plate of the adjusting mounting plate is provided with vertical plates on both front and back sides, a two-way threaded screw rod is rotatably arranged between the two vertical plates, two supporting plates are respectively sleeved on two threaded segments of the two-way threaded screw rod, and a moving guide rod is further arranged between the two vertical plates.

[0009] Further, the vertical adjusting assembly comprises a fixing frame, an elevating plate is arranged above the fixing frame, and the longitudinal sealing assembly is arranged on the elevating plate.

[0010] A adjusting screw rod is vertically penetrated through the upper horizontal plate of the fixing frame, a threaded sleeve matched with the adjusting screw rod is fixed on the bottom surface of the elevating plate, a guide column is vertically penetrated through the upper horizontal plate of the fixing frame, and the top ends of the adjusting screw rod and the guide column are connected with the elevating plate.

[0011] A hand adjusting part for driving the adjusting screw rod to rotate is arranged on the feeding mechanism.

[0012] Further, the hand adjusting part comprises an adjusting rotating shaft rotatably arranged on the rack of the feeding mechanism, an adjusting hand wheel is arranged at one end of the adjusting rotating shaft, and the other end is in transmission connection with the bottom end of the adjusting screw rod.

[0013] Further, the longitudinal sealing assembly comprises a pair of traction wheels rotatably supported vertically, the traction wheels are rotatably supported by vertical shafts on the first supporting frame, and a first power part for driving the vertical shafts to rotate is further arranged on the first supporting frame.

[0014] Further, the longitudinal sealing assembly further comprises a pair of longitudinal sealing wheels rotatably supported vertically, the longitudinal sealing wheels are arranged on the side of the traction wheels away from the bag making mechanism, the longitudinal sealing wheels are rotatably supported by supporting shafts vertically arranged on the second supporting frame, and a second power part for driving the supporting shafts to rotate is further arranged on the second supporting frame.

[0015] Further, a guide heating block supported by a third supporting frame is arranged between the traction wheels and the longitudinal sealing wheels, the guide heating block is two, and a heating slit is formed between the two guide heating blocks.

[0016] Further, the ultrasonic wave sealing and cutting mechanism comprises an ultrasonic wave upper die head and a lower die, the ultrasonic wave upper die head is moved by a first eccentric wheel assembly, and the lower die is moved by a second eccentric wheel assembly.

[0017] The ultrasonic wave upper die head comprises a cutter assembly, the ultrasonic wave upper die head and the lower die are close to or away from each other, and the cutting action is completed by the cutter assembly when they are in contact.

[0018] Further, the ultrasonic wave upper die head comprises an upper die seat and an upper die head in vertical sliding connection with the upper die seat, a U-shaped frame is arranged on the upper die seat, and an ultrasonic wave vibrator is fixedly arranged on the U-shaped frame.

[0019] The cutter assembly comprises a cutter fixed by a U-shaped frame and penetrating through the upper die seat, and the upper die head is provided with a slot allowing the cutter to slide and penetrate through.

[0020] Further, the pressing mechanism comprises a conveying belt assembly arranged above the feeding mechanism in the air, one side of the conveying belt assembly is provided with a connecting plate, and a lead screw adjusting frame for vertically adjusting the connecting plate is arranged on the rack of the feeding mechanism.

[0021] The utility model discloses the beneficial effects are:

[0022] 1. The utility model discloses a complete automatic process from material conveying to product PE film packaging is realized by integrating the feeding mechanism, the feeding mechanism, the bag making mechanism, the coiled material conveying mechanism, the longitudinal sealing mechanism, the ultrasonic wave sealing and cutting mechanism and the pressing mechanism. Artificial intervention is reduced, production efficiency is improved, and the consistency and stability of packaging are ensured.

[0023] 2. The utility model discloses meet different packaging demand through specification adjustment etc., improve the flexibility of equipment use. And the whole structure is easy to maintain.

[0024] 3. The longitudinal sealing assembly adopts the combination of the traction wheel and the longitudinal sealing wheel in the utility model, ensures the accurate traction and compression of the two side edges of the PE film, the design of the guide heating block preheats the side edge of the PE film through the heating slit, and the sealing effect is improved. The ultrasonic wave sealing and cutting mechanism utilizes the ultrasonic vibrator and the cutter assembly, realizes the quick and accurate sealing and cutting of the two ends of the product, and guarantees the firmness of the sealing. BRIEF DESCRIPTION OF DRAWINGS

[0025] The above and other objects, features and advantages of the exemplary embodiments of the present application will be more apparent from the following detailed description read in conjunction with the accompanying drawings, in which several embodiments of the present application are shown by way of example, and wherein the same reference numerals refer to the same or similar components throughout several views. In the drawings:

[0026] Figure 1 It is a structural schematic view of the utility model;

[0027] Figure 2 It is a partial structure schematic view of the utility model;

[0028] Figure 3 It is Figure 2 It is a partial enlarged view of region A in the figure;

[0029] Figure 4 It is a structural schematic view of the longitudinal sealing mechanism in the utility model;

[0030] Figure 5 It is Figure 4 It is a partial enlarged view of region B in the figure;

[0031] Figure 6 It is the rear view of the longitudinal sealing mechanism in the utility model;

[0032] Figure 7 It is the structural schematic view of the material pressing mechanism in the utility model;

[0033] Figure 8 It is the structural schematic view of the ultrasonic sealing and cutting mechanism in the utility model;

[0034] Figure 9 It is the side view of the ultrasonic sealing and cutting mechanism in the utility model.

[0035] Mark explanation:

[0036] 1, feeding mechanism;2, feeding mechanism;3, bag making mechanism;31, base;32, adjusting mounting plate;320, bag maker;321, support plate;322, vertical plate;323, two-way threaded screw;324, moving guide rod;4, coiled material conveying mechanism;5, longitudinal sealing mechanism;51, longitudinal sealing assembly;511, traction wheel;512, first support frame;513, vertical shaft;514, longitudinal sealing wheel;515, second support frame;516, support shaft;517, third support frame;518, guide heating block;519 heating slit;52, vertical adjusting assembly;521, fixed frame;522, lifting plate;523, adjusting screw;524, threaded sleeve;525, guide column;526, adjusting rotating shaft;6, ultrasonic sealing and cutting mechanism;61, ultrasonic upper die head;611, upper die holder;6111, linear slide;612, upper die head;6121, notch;613, U-shaped frame;614, ultrasonic transducer;62, lower die;621, linear guide rail;622, guide frame;623, vertical guide plate;624, transverse moving plate;625, moving slide;63, first eccentric wheel assembly;64, second eccentric wheel assembly;65, cutter assembly;651, cutter;7, material pressing mechanism;71, conveying belt assembly;72, connecting plate;73, screw adjusting frame;731, central screw;732, carrier plate. DETAILED DESCRIPTION

[0037] 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, and those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, 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 the utility model.

[0038] Any element quantity in the drawings is used for example, rather than limitation, and any naming is only used for distinction, without any limiting meaning.

[0039] The principles and spirits of the present application will be explained in detail below with reference to several representative embodiments of the present application.

[0040] The embodiment of the ultrasonic wave fusion sealing type reciprocating packaging machine provided by the present application comprises:

[0041] As shown in the drawings, the present application comprises a feeding mechanism 1, a feeding mechanism 2, and a bag making mechanism 3 arranged between the feeding mechanism 1 and the feeding mechanism 2. Figures 1 to 9 The lower part between the feeding mechanism 2 and the bag making mechanism 3 is provided with a roll material conveying mechanism 4, the end close to the bag making mechanism 3 of the feeding mechanism 2 is provided with a longitudinal sealing mechanism 5, the end away from the bag making mechanism 3 of the feeding mechanism 2 is provided with an ultrasonic wave sealing and cutting mechanism 6, and the longitudinal sealing mechanism 5 and the ultrasonic wave sealing and cutting mechanism 6 are further provided with a height-adjustable pressing mechanism 7.

[0042] In specific use, the material is conveyed to the bag making mechanism 3 through the feeding mechanism 1, the roll film passing through the bag making mechanism 3 is adjusted and shaped to wrap the product, and the roll film is PE film. The two side surfaces are both folded upwards, the sealing and connection between the two side edges are realized through the longitudinal sealing mechanism 5, and then the material is leveled and arranged through the pressing mechanism 7, and the sealing and cutting of the two ends of the product are realized through the ultrasonic wave sealing and cutting mechanism 6. Overall, the efficient, stable and flexible automatic packaging process is realized.

[0043] In the embodiment, the bag making mechanism 3 comprises a base 31, the base 31 is provided with an adjusting mounting plate 32, the adjusting mounting plate 32 is detachably provided with a bag maker 320, the adjusting mounting plate 32 comprises two support plates 321 arranged at intervals, and the spacing between the two support plates 321 is adjusted to adapt to the bag maker 320 of different specifications.

[0044] Specifically, the bottom surface of the bag maker 320 is provided with a connecting side plate, and the connecting side plate and the support plate 321 are detachably connected through bolts. The bag maker 320 is connected to the outside through the connecting side plate at the bottom surface, which can ensure the flatness of the inner surface of the bag maker 320 and avoid affecting the effect of bag making and shaping.

[0045] The bottom plate of the adjusting mounting plate 32 is provided with a stand 322 on the front and rear sides, a bidirectional threaded screw rod 323 is rotatably arranged between the two stands 322, the two support plates 321 are respectively sleeved on the two threaded segments of the bidirectional threaded screw rod 323, and a moving guide rod 324 is further arranged between the two stands 322.

[0046] By rotating the bidirectional threaded screw rod 323, the two support plates 321 are moved closer to or farther away from each other to adapt to the bag maker 320 of different specifications and improve the flexibility of the equipment in use.

[0047] In the embodiment, the longitudinal sealing mechanism 5 comprises a longitudinal sealing assembly 51 and a vertical adjusting assembly 52 for supporting the longitudinal sealing assembly 51 and driving the longitudinal sealing assembly 51 to move up and down.

[0048] The vertical adjusting assembly 52 comprises a fixing frame 521, and a lifting plate 522 is arranged above the fixing frame 521, and the longitudinal sealing assembly 51 is arranged on the lifting plate 522.

[0049] A adjusting screw 523 is vertically penetrated through the upper horizontal plate of the fixing frame 521, a threaded sleeve 524 matched with the adjusting screw 523 is fixed on the bottom surface of the lifting plate 522, a guide column 525 is vertically penetrated through the upper horizontal plate of the fixing frame 521, and the top ends of the adjusting screw 523 and the guide column 525 are connected with the lifting plate 522. A locking pin is arranged on the threaded sleeve 524 and matched with the threaded sleeve 524, and the locking pin is abutted against the adjusting screw 523 after the adjusting screw 523 is rotated to a position, so that the position of the adjusting screw 523 is fixed.

[0050] A manual adjusting part is arranged on the feeding mechanism 2 and used for driving the adjusting screw 523 to rotate.

[0051] The manual adjusting part comprises an adjusting shaft 526 rotatably arranged on the rack of the feeding mechanism 2, one end of the adjusting shaft 526 is provided with an adjusting hand wheel, and the other end is in transmission connection with the bottom end of the adjusting screw 523.

[0052] Specifically, the end of the adjusting shaft 526 away from the adjusting hand wheel is provided with a driving helical gear, the bottom end of the adjusting screw 523 is provided with a driven helical gear matched with the driving helical gear, the adjusting shaft 526 is rotated to drive the adjusting screw 523 to rotate synchronously, the adjusting screw 523 moves relatively on the threaded sleeve 524, the threaded sleeve 524 is fixedly connected with the lifting plate 522, and then the lifting plate 522 is driven to adjust the lifting, and when the vertical specification of the bag making machine 320 is adjusted, the lifting plate 522 is adjusted to drive the longitudinal sealing assembly 51 to move vertically, so as to adapt to the corresponding bag making machine 320.

[0053] In the embodiment, the longitudinal sealing assembly 51 comprises a pair of traction wheels 511 rotatably supported vertically, the traction wheels 511 are rotatably supported by vertical shafts 513 on first support frames 512, and the first support frames 512 are further provided with first power parts used for driving the vertical shafts 513 to rotate.

[0054] The traction wheels 511 comprise driving traction wheels and driven traction wheels. The first power parts drive the vertical shafts 513 to rotate for supporting the driving traction wheels, so as to drive the driving traction wheels to rotate, the driving traction wheels and the driven traction wheels are abutted, and the driving traction wheels drive the driven traction wheels to rotate.

[0055] After the two sides of the PE film are folded upward, the PE film passes between the driving traction wheels and the driven traction wheels and is moved forward.

[0056] In the embodiment, the longitudinal sealing assembly 51 further comprises a pair of vertically rotating support longitudinal sealing wheels 514, which are arranged on the side of the traction wheel 511 away from the bag making mechanism 3 and are rotationally supported by a shaft 516 vertically arranged on a second support frame 515, and the second support frame 515 is further provided with a second power member for driving the rotation of the shaft 516.

[0057] Similarly, the longitudinal sealing wheel 514 comprises a driving longitudinal sealing wheel and a driven longitudinal sealing wheel, and the two side edges of the PE film are pressed together by the action of the longitudinal sealing wheel 514.

[0058] In the embodiment, a guide heating block 518 supported by a third support frame 517 is arranged between the traction wheel 511 and the longitudinal sealing wheel 514, and the guide heating block 518 is two and a heating slot 519 is formed between the two guide heating blocks 518.

[0059] The two side edges of the PE film are heated by the action of the guide heating block 518, which assists the subsequent pressing and sealing of the two side edges by the longitudinal sealing wheel 514.

[0060] In the embodiment, the ultrasonic sealing and cutting mechanism 6 comprises an ultrasonic upper die head 61 and a lower die 62, the ultrasonic upper die head 61 is driven to move by a first eccentric wheel assembly 63, and the lower die 62 is driven to move by a second eccentric wheel assembly 64.

[0061] The ultrasonic upper die head 61 comprises a cutter assembly 65, and the ultrasonic upper die head 61 and the lower die 62 approach or move away from each other, and when they contact and approach each other, the cutting action is completed by the cutter assembly 65.

[0062] The ultrasonic upper die head 61 comprises an upper die seat 611 and an upper die head 612 vertically slidingly connected with the upper die seat 611, and the upper die seat 611 is provided with a U-shaped bracket 613, and the U-shaped bracket 613 is fixedly provided with an ultrasonic vibrator 614.

[0063] The cutter assembly 65 comprises a cutter 651 fixed by the U-shaped bracket 613 and penetrating the upper die seat 611, and the upper die head 612 is provided with a slot 6121 allowing the cutter 651 to slide through.

[0064] The first eccentric wheel assembly 63 comprises first eccentric wheels arranged at both ends of the upper die seat 611, and the first eccentric wheels are rotationally supported by first shafts.

[0065] The second eccentric wheel assembly 64 comprises second eccentric wheels arranged at both ends of the lower die 62, and the second eccentric wheels are rotationally supported by second shafts.

[0066] The lower mold 62 is provided with a linear guide rail 621 on one side, and the upper mold base 611 is provided with a linear slider 6111 matched with the linear guide rail 621. Through the matching between the linear guide rail 621 and the linear slider 6111, the lower mold 62 and the upper mold base 611 are always vertically opposite.

[0067] The upper mold base 611 is driven by the first eccentric wheel to be at the uppermost side, and the lower mold 62 is at the lowermost side by the second eccentric wheel. Then, by rotating, the upper mold base 611 and the lower mold 62 gradually approach. When the lower mold head of the lower mold 62 and the upper mold head 612 contact, the port of the PE film is transversely sealed. After contacting, the lower mold 62 continues to move upwards, and the upper mold head 612 moves downwards by the lower mold head upwards. The upper mold head 612 moves upwards relatively, so that the cutter extends downwards out of the upper mold head 612, and then the continuous packaging material is cut to form a separate finished product.

[0068] The lower side of the second shaft is provided with a driving shaft, one end of the driving shaft is driven by a motor, the other end is provided with a driving gear, the second shaft is provided with a second gear meshing with the driving gear, and the first shaft is provided with a first gear meshing with the second gear.

[0069] It should be noted that the two ends of the lower mold 62 are provided with guide frames 622, the two sides of the guide frames 622 are provided with moving wheels, the moving wheels are matched with vertical guide plates 623, the vertical guide plates are fixed on the horizontal moving plate 624, the rack of the feeding mechanism 2 is provided with a horizontal guide rail, and the horizontal moving plate 624 is fixed with a moving slider 625 slidingly matched with the horizontal guide rail. The cooperation of the moving slider 625 and the horizontal guide rail can meet the displacement generated by the second eccentric wheel horizontally.

[0070] In this embodiment, the pressing mechanism 7 includes a conveying belt assembly 71 arranged above the feeding mechanism 2, one side of the conveying belt assembly 71 is provided with a connecting plate 72, and the rack of the feeding mechanism 2 is provided with a lead screw adjusting frame 73 for vertically adjusting the connecting plate 72.

[0071] The lead screw adjusting frame 73 specifically drives the carrier plate 732 to move vertically by rotating the central lead screw 731, so as to adjust the distance between the conveying belt assembly 71 and the feeding mechanism 2, so as to adapt to products of different specifications.

[0072] According to the above description of the present specification, those skilled in the art can also understand that the terms used such as "upper", "lower", "front", "rear", "left", "right", "width", "horizontal", "top", "bottom", "inner", "outer" and the like indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings of the present specification, which are only for the purpose of facilitating the description of the scheme of the present application and simplifying the description, and are not explicitly or implicitly indicated that the devices or elements involved must have the specific orientation, be constructed and operated in a specific orientation, therefore the above orientation or positional relationship terms cannot be understood or interpreted as a limitation on the scheme of the present application.

[0073] In addition, in the description of the present specification, the meaning of "a plurality of" is at least two, such as two, three or more, etc., unless otherwise explicitly and specifically limited.

Claims

1. An ultrasonic welding and sealing reciprocating packaging machine, comprising a feeding mechanism (1), a feeding mechanism (2), and a bag-making mechanism (3) disposed between the feeding mechanism (1) and the feeding mechanism (2), wherein a roll material conveying mechanism (4) is provided below the feeding mechanism (1) and the bag-making mechanism (3), a longitudinal sealing mechanism (5) is provided at the end of the feeding mechanism (2) near the bag-making mechanism (3), and an ultrasonic sealing and cutting mechanism (6) is provided at the end of the feeding mechanism (2) away from the bag-making mechanism (3), characterized in that, The bag-making mechanism (3) includes a base (31), an adjustment mounting plate (32) is provided on the base (31), a bag maker (320) is detachably provided on the adjustment mounting plate (32), and the adjustment mounting plate (32) includes two support plates (321) arranged at intervals. The distance between the two support plates (321) can be adjusted to accommodate bag makers (320) of different specifications. The longitudinal sealing mechanism (5) includes a longitudinal sealing component (51) and a vertical adjustment component (52) for supporting the longitudinal sealing component (51) and driving the longitudinal sealing component (51) to move up and down; A height-adjustable pressing mechanism (7) is also provided between the longitudinal sealing mechanism (5) and the ultrasonic sealing and cutting mechanism (6).

2. The ultrasonic welding and sealing reciprocating packaging machine according to claim 1, characterized in that, The base plate of the adjustment mounting plate (32) is provided with upright plates (322) on both the front and rear sides. A two-way threaded screw (323) is rotatably provided between the two upright plates (322). Two support plates (321) are respectively sleeved on the two threaded sections of the two-way threaded screw (323). A movable guide rod (324) is also provided between the two upright plates (322).

3. The ultrasonic welding and sealing reciprocating packaging machine according to claim 1, characterized in that, The vertical adjustment component (52) includes a fixed frame (521), and a lifting plate (522) is provided above the fixed frame (521). The vertical sealing component (51) is located on the lifting plate (522). An adjusting screw (523) is vertically inserted through the upper horizontal plate of the fixed frame (521), and a threaded sleeve (524) that cooperates with the adjusting screw (523) is fixed on the bottom surface of the lifting plate (522). A guide post (525) is vertically inserted through the upper horizontal plate of the fixed frame (521), and the top ends of the adjusting screw (523) and the guide post (525) are connected to the lifting plate (522). The feeding mechanism (2) is equipped with a manual adjustment component for driving the adjustment screw (523) to rotate.

4. The ultrasonic welding and sealing reciprocating packaging machine according to claim 3, characterized in that, The manual adjustment component includes an adjustment shaft (526) rotatably mounted on the frame of the feeding mechanism (2). One end of the adjustment shaft (526) is provided with an adjustment handwheel, and the other end is connected to the bottom end of the adjustment screw (523) for transmission.

5. The ultrasonic welding and sealing reciprocating packaging machine according to claim 3, characterized in that, The longitudinal sealing assembly (51) includes a pair of vertically rotating traction wheels (511), which are rotatably supported by a vertical shaft (513) on a first support frame (512). The first support frame (512) is also provided with a first power component for driving the vertical shaft (513) to rotate.

6. The ultrasonic welding and sealing reciprocating packaging machine according to claim 5, characterized in that, The longitudinal sealing assembly (51) also includes a pair of vertically rotating longitudinal sealing wheels (514). The longitudinal sealing wheels (514) are located on the side of the traction wheel (511) away from the bag making mechanism (3). The longitudinal sealing wheels (514) are rotatably supported by a support shaft (516) vertically mounted on a second support frame (515). The second support frame (515) is also provided with a second power component for driving the support shaft (516) to rotate.

7. The ultrasonic welding and sealing reciprocating packaging machine according to claim 6, characterized in that, A guide heating block (518) supported by a third support frame (517) is provided between the traction wheel (511) and the longitudinal sealing wheel (514). There are two guide heating blocks (518), and a heating slit (519) is formed between the two guide heating blocks (518).

8. The ultrasonic welding and sealing reciprocating packaging machine according to claim 1, characterized in that, The ultrasonic sealing and cutting mechanism (6) includes an ultrasonic upper mold head (61) and a lower mold (62). The ultrasonic upper mold head (61) is driven to move by a first eccentric wheel assembly (63), and the lower mold (62) is driven to move by a second eccentric wheel assembly (64). The ultrasonic upper mold (61) includes a cutter assembly (65). The ultrasonic upper mold (61) and the lower mold (62) are close to or away from each other, and the cutting action is completed by the cutter assembly (65) when they come into contact.

9. The ultrasonic welding and sealing reciprocating packaging machine according to claim 8, characterized in that, The ultrasonic upper mold head (61) includes an upper mold base (611) and an upper mold head (612) that is vertically slidably connected to the upper mold base (611). The upper mold base (611) is provided with a U-shaped frame (613), and an ultrasonic transducer (614) is fixedly provided on the U-shaped frame (613). The cutter assembly (65) includes a cutter (651) fixed by a U-shaped frame (613) and passing through the upper mold base (611), and the upper mold head (612) is provided with a slot (6121) that allows the cutter (651) to slide through.

10. The ultrasonic welding and sealing reciprocating packaging machine according to claim 1, characterized in that, The pressing mechanism (7) includes a conveyor belt assembly (71) that is spaced above the feeding mechanism (2). A connecting plate (72) is provided on one side of the conveyor belt assembly (71). A screw adjustment bracket (73) for vertically adjusting the connecting plate (72) is provided on the frame of the feeding mechanism (2).

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