CN220743571U

CN220743571U - Ultrasonic heating transverse sealing device of packaging material filling machine

Info

Publication number: CN220743571U
Application number: CN202322185727.9U
Authority: CN
Inventors: 刘媛媛; 淦涛; 王天赋; 徐俊
Original assignee: Lamican Packaging Kunshan Co ltd
Current assignee: Lamican Packaging Kunshan Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-09
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses an ultrasonic heating transverse sealing device of a packaging material filling machine, which comprises an ultrasonic heating transverse sealing device body, wherein the ultrasonic heating transverse sealing device body comprises an ultrasonic oscillator and an ultrasonic vibrator converter connected with the ultrasonic oscillator. According to the utility model, through the second electric push rod, the limiting component, the pressure regulating elastic guide supporting component, the box-shaped anvil block, the resisting part, the first shearing knife and the second shearing knife, the single-drive integrated clamping heat sealing and shearing of two parts of the packing material are facilitated, the independent drive for clamping and transverse cutting is not needed, the use convenience is improved, the shearing is utilized to form a scissor type cutting mode, the influence of flexibility of the packing material is low, the risk that the single-time unstable cutting is caused by the punching or the second shearing knife is damaged by collision is reduced, the cutting stability is improved, and the clamping force of the packing material is conveniently adjusted according to the clamping requirement by combining the first electric push rod.

Description

Ultrasonic heating transverse sealing device of packaging material filling machine

Technical Field

The utility model relates to the technical field of ultrasonic heating transverse sealing equipment, in particular to an ultrasonic heating transverse sealing device of a packaging material filling machine.

Background

A liquid paper container having a roof-like, square brick-like, or cylindrical shape is widely used for housing liquid beverages such as fruit juice, tea, coffee, milk beverage, soup, and alcoholic beverages such as japanese wine, distilled liquor, etc.; after filling by a filling machine, the part is required to be sealed and cut off by heating to form independent packages so as to continue filling in longer packing materials;

the ultrasonic heating transverse sealing device comprises: an ultrasonic oscillator, a transducer as an ultrasonic vibrator, a horn and an anvil, the transducer being supplied with power from the ultrasonic oscillator to generate ultrasonic vibrations, the generated vibrations being transmitted to the horn, the horn being ultrasonically vibrated at its tip portion and being cut between two sealing lines/surfaces after completion of heat fusion welding sealing, thereby forming individual packages; in this regard, as disclosed in publication No. CN216281523U, an ultrasonic sealing device and a filling machine are disclosed, comprising a horn and an anvil, the front ends of the horn and the anvil respectively having sealing surfaces for clamping a packaging material overlapped with two or more sheets, and melting a thermoplastic resin of the packaging material by ultrasonic waves, thereby sealing the packaging material; the welding head and/or the anvil are/is provided with more than four sealing surfaces, the ultrasonic sealing device further comprises a cutter matched with the anvil, the anvil is provided with an upper resisting part above the cutter, and a lower resisting part is formed below the cutter, and the sealing pressure in unit area can be effectively improved under the condition that the clamping pressure and other settings of the existing ultrasonic sealing device are not changed by arranging more than four sealing surfaces on the welding head and/or the anvil, so that the sealing reliability is improved, and the problems of leakage sealing and poor sealing are effectively reduced.

According to the ultrasonic sealing device and the filling machine disclosed in the above patent, after packing materials are filled, two sealing strips are formed on the packing materials by utilizing a welding head to be matched with an ultrasonic oscillator, a converter, a welding head and an anvil, and cutting is performed on the two sealing strips by utilizing a cutter to form individual packages, but the packaging machine still has some defects:

1. the method only uses a single cutter to perform punching, and because the packing material has certain flexibility, the phenomenon of flexible deformation and force unloading can be formed, so that the cutting stability is not ideal, the phenomenon that the cutting cannot be performed stably once is easy to occur, and if the welding head is directly used for abutting, the cutter is easy to damage under direct punching; 2. the cutter can move, but needs to be driven independently, so that the use convenience is not ideal, and the existing defects of the cutter are overcome, and therefore, the ultrasonic heating transverse sealing device of the packing material filling machine is provided.

Disclosure of Invention

The utility model aims to provide an ultrasonic heating transverse sealing device of a packing material filling machine, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ultrasonic heating transverse sealing device comprises an ultrasonic heating transverse sealing device body, wherein the ultrasonic heating transverse sealing device body comprises an ultrasonic oscillator and an ultrasonic vibrator converter connected with the ultrasonic oscillator, the right side of the ultrasonic vibrator converter is fixedly connected with a welding head, the right side of the welding head is provided with a box-shaped anvil block with an opening on the right side, the right side of the ultrasonic vibrator converter is fixedly connected with a rubber sheath, the welding head is positioned on the rubber sheath, the component structure of the ultrasonic heating transverse sealing device body and the ultrasonic heat sealing principle of the ultrasonic heating transverse sealing device body after the filling machine fills the packaging material are the prior art, and the technology is also disclosed in the prior art CN216281523U and is not described in addition;

the left side of the ultrasonic oscillator is fixedly connected with a fixing plate, the right side of the fixing plate is fixedly connected with a U-shaped seat, the left inner wall of the U-shaped seat is fixedly connected with the left side of the ultrasonic oscillator converter, the right side of the welding head is provided with a groove with an opening on the front side and the rear side, the left inner wall of the groove is fixedly connected with a first shearing blade, the left side of the box-shaped anvil block is provided with a rectangular groove with the opening on the front side and the rear side, a second shearing blade matched with the first shearing blade is arranged in the rectangular groove, and the first shearing blade and the second shearing blade are matched to form transverse shearing cutting for the packing material;

the right side of the U-shaped seat is embedded and fixed with a second electric push rod of which the extending end is fixedly connected with the right side of the pressure-regulating elastic guide supporting component, the right side of the second shearing blade is fixedly connected with the pressure-regulating elastic guide supporting component, and the pressure-regulating elastic guide supporting component is used for carrying out single-drive to realize elastic compression and shearing work when the second electric push rod is started and is used for regulating compression force during transverse cutting when the first electric push rod is started;

and a limiting component is arranged in the rectangular groove, the limiting component is fixedly sleeved on the second shearing blade, and the limiting component is used for limiting the maximum extension length of the second shearing blade.

Preferably, the pressure regulating type elastic guide supporting component comprises two transverse guide rods fixedly connected to the inner wall of the left side of the box-shaped anvil, a return-type pressure regulating rod and a movable seat are sleeved on the two transverse guide rods in a sliding manner, two springs are fixedly connected between the right side of the return-type pressure regulating rod and the left side of the movable seat, the springs are movably sleeved on the corresponding transverse guide rods, the bottom of the left side of the return-type pressure regulating rod is fixedly connected with the extending end of the first electric push rod, the right side of the movable seat is fixedly connected with the extending end of the second electric push rod, the left side of the movable seat is fixedly connected with the right side of the second shearing blade, and the second shearing blade is positioned in the return-type pressure regulating rod and is not in contact with the inner wall of the return-type pressure regulating rod; the transverse guide rod, the return-shaped pressure regulating rod, the movable seat and the spring are matched, when the second electric push rod is started to drive the movable seat to move left, the movable seat drives the box-shaped anvil to move left through the spring, the return-shaped pressure regulating rod and the first electric push rod in sequence, the box-shaped anvil is clamped after filling of the filling machine, when the box-shaped anvil is clamped, the box-shaped anvil is blocked and limited, the movable seat which continues to move left compresses the spring and drives the second shearing blade to extend out leftwards, a shearing and cutting effect is formed with the first shearing blade, and the box-shaped anvil is tightly tensioned by the elasticity of the spring in a compressed state, so that the elastic tensioning and compression effect on the packing material during heat sealing is realized; in addition, when the first electric push rod is started to drive the return-shaped pressure regulating rod to move right, the two springs can be compressed rightwards, the initial compression degree of the springs is changed, the tightening force of the box-shaped anvil block is changed, and the clamping force of the packing materials in shearing is conveniently adjusted according to the clamping requirement.

Preferably, the limiting assembly comprises a limiting block fixedly connected to the inner wall of the bottom of the rectangular groove, a sliding block sleeved in the rectangular groove in a sliding manner is matched with the right side of the limiting block, and the sliding block is fixedly sleeved on the second shearing blade; the limiting block and the sliding block are matched, the sliding block is driven to move left when the second shearing blade moves left, the sliding block is blocked and limited when moving left to contact with the right side of the limiting block, the maximum extension length of the second shearing blade is limited, and the phenomenon that the second shearing blade is damaged due to collision due to the extension overlong is prevented.

Preferably, the right top and the right bottom of the box-shaped anvil block are fixedly connected with guide rods, the right ends of the guide rods extend out of the U-shaped seat, and the U-shaped seat is slidably sleeved on the two guide rods.

Preferably, two guide perforations which are respectively sleeved with the outer sides of the corresponding guide rods in a sliding manner are formed in the inner wall of the right side of the U-shaped seat.

Preferably, the right side of the rectangular slot communicates with the interior of the box anvil.

Preferably, two resisting parts are integrally arranged on the left side of the box-shaped anvil, the two resisting parts are matched with the welding head, and the second shearing blade is positioned between the two resisting parts.

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

1. according to the ultrasonic heating transverse sealing device of the packing material filling machine, through the arrangement of the second electric push rod, the limiting component, the pressure regulating elastic guide supporting component, the box-shaped anvil block, the resisting parts, the first shearing knife and the second shearing knife, when the second electric push rod is started in the forward direction, the two resisting parts of the box-shaped anvil block can be driven to elastically clamp packing materials, and when the second electric push rod is elastically clamped, the second shearing knife is automatically driven to extend out to enable the second shearing knife to be matched with the first shearing knife to shear and cut the packing materials, driving for clamping and transverse cutting is not required to be independently arranged, the using convenience is improved, and a shearing and forming scissor type cutting mode is utilized, the influence of flexibility of the packing materials is low, the risk that single stable cutting cannot be performed due to punching or the second shearing knife is damaged due to collision is reduced, and the cutting stability is improved;

2. the ultrasonic heating transverse sealing device of the packing material filling machine realizes ultrasonic heat sealing of the packing material by matching the arranged ultrasonic vibrator converter, the welding head, the ultrasonic vibrator, the box-shaped anvil block and the resisting part;

3. the utility model provides a transverse sealing device of ultrasonic heating of package material liquid filling machine, through the cooperation of the first electric putter and the pressure regulating formula elastic guide supporting component that set up, can adjust the initial compression degree to the spring when starting first electric putter, realize changing the tight dynamics to box-shaped anvil to this is convenient according to the clamping dynamics to the adjustment of clamping demand to the package material.

According to the utility model, through the second electric push rod, the limiting component, the pressure regulating elastic guide supporting component, the box-shaped anvil block, the resisting part, the first shearing knife and the second shearing knife, the single-drive integrated clamping heat sealing and shearing of two parts of the packing material are facilitated, the independent drive for clamping and transverse cutting is not needed, the use convenience is improved, the shearing is utilized to form a scissor type cutting mode, the influence of flexibility of the packing material is low, the risk that the single-time unstable cutting is caused by the punching or the second shearing knife is damaged by collision is reduced, the cutting stability is improved, and the clamping force of the packing material is conveniently adjusted according to the clamping requirement by combining the first electric push rod.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. an ultrasonic vibrator transducer; 101. an ultrasonic oscillator; 102. welding head; 103. a rubber sheath; 2. a U-shaped seat; 3. a box anvil; 301. a resisting part; 4. a first shear blade; 5. rectangular grooves; 6. a slide block; 7. a second shear blade; 8. a limiting block; 9. a transverse guide rod; 10. a spring; 11. a loop-shaped pressure regulating rod; 12. a movable seat; 13. a second electric push rod; 14. a guide rod; 15. the first electric push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the ultrasonic heating transverse sealing device of the packaging material filling machine provided by the embodiment comprises an ultrasonic heating transverse sealing device body, wherein the ultrasonic heating transverse sealing device body comprises an ultrasonic oscillator 101 and an ultrasonic vibrator converter 1 connected with the ultrasonic oscillator 101, a welding head 102 is fixedly connected to the right side of the ultrasonic vibrator converter 1, a box-shaped anvil 3 with an opening arranged on the right side of the welding head 102 is arranged on the right side of the welding head 102, a rubber sheath 103 is fixedly connected to the right side of the ultrasonic vibrator converter 1, the welding head 102 is positioned on the rubber sheath 103, the component structure of the ultrasonic heating transverse sealing device body and the ultrasonic heat sealing principle of the ultrasonic heating transverse sealing device body after the packaging material filling machine is the prior art, and the technology is also disclosed in the prior art CN216281523U and is not further explained;

the left side of the ultrasonic oscillator 101 is fixedly connected with a fixing plate, the right side of the fixing plate is fixedly connected with a U-shaped seat 2, the left inner wall of the U-shaped seat 2 is fixedly connected with the left side of the ultrasonic oscillator converter 1, the right side of the welding head 102 is provided with a groove with an opening on the front side and the rear side, the left inner wall of the groove is fixedly connected with a first shearing blade 4, the left side of the box-shaped anvil 3 is provided with a rectangular groove 5 with the front side and the rear side being provided with the opening, the right side of the rectangular groove 5 is communicated with the inside of the box-shaped anvil 3, the rectangular groove 5 is internally provided with a second shearing blade 7 matched with the first shearing blade 4, the left side of the box-shaped anvil 3 is integrally provided with two resisting parts 301, the two resisting parts 301 are matched with the welding head 102, the second shearing blade 7 is positioned between the two resisting parts 301, and the first shearing blade 4 and the second shearing blade 7 are matched with each other to form transverse shearing cutting for a package material;

the left inner wall of the box-shaped anvil block 3 is provided with a pressure-regulating elastic guide supporting component, the bottom inner wall of the rectangular groove 5 is fixedly provided with a first electric push rod 15 with an extending end fixedly connected with the left side of the pressure-regulating elastic guide supporting component, the right side of the U-shaped seat 2 is embedded and fixedly provided with a second electric push rod 13 with an extending end fixedly connected with the right side of the pressure-regulating elastic guide supporting component, the right side of the second shearing blade 7 is fixedly connected with the pressure-regulating elastic guide supporting component, the top and the bottom of the right side of the box-shaped anvil block 3 are fixedly connected with guide rods 14, the right end of the guide rods 14 extends out of the U-shaped seat 2, the U-shaped seat 2 is sleeved on the two guide rods 14 in a sliding way, two guide holes which are respectively sleeved with the outer sides of the corresponding guide rods 14 are formed in the right inner wall of the U-shaped seat 2, the effect that the guide rods 14 penetrate and guide the guide rods are transversely slid is achieved, and the pressure-regulating elastic guide supporting component is used for realizing elastic compression and shearing work by single driving when the second electric push rod 13 is started, and for adjusting the compression force when the first electric push rod 15 is started; and a limiting component is arranged in the rectangular groove 5, the limiting component is fixedly sleeved on the second shearing blade 7, and the limiting component is used for limiting the maximum extension length of the second shearing blade 7.

Specifically, the pressure regulating type elastic guide support component comprises two transverse guide rods 9 fixedly connected to the left inner wall of the box-shaped anvil block 3, two transverse guide rods 9 are sleeved with a return-type pressure regulating rod 11 and a moving seat 12 in a sliding manner, two transverse guide holes are formed in the right sides of the return-type pressure regulating rod 11 and the moving seat 12, the inner walls of the transverse guide holes are in sliding connection with the outer sides of the corresponding transverse guide rods 9, the return-type pressure regulating rod 11 and the moving seat 12 are respectively sleeved on the two transverse guide rods 9 in a sliding manner through the corresponding two transverse guide holes, the effect of transversely guiding the return-type pressure regulating rod 11 and the moving seat 12 is achieved, two springs 10 are fixedly connected between the right side of the return-type pressure regulating rod 11 and the left side of the moving seat 12, the springs 10 are movably sleeved on the corresponding transverse guide rods 9, the left side bottom of the return-type pressure regulating rod 11 is fixedly connected with the extending end of the first electric push rod 15, the right side of the moving seat 12 is fixedly connected with the extending end of the second electric push rod 13, the left side of the moving seat 12 is fixedly connected with the right side of the second shearing blade 7, and the second shearing blade 7 is positioned in the return-type pressure regulating rod 11 and is not in contact with the return-type pressure regulating rod 11; the transverse guide rod 9, the return-type pressure regulating rod 11, the movable seat 12 and the spring 10 are arranged in a matched mode, when the second electric push rod 13 is started to drive the movable seat 12 to move left, the movable seat 12 drives the box-shaped anvil 3 to move left through the spring 10, the return-type pressure regulating rod 11 and the first electric push rod 15 in sequence, the box-shaped anvil 3 clamps a packaging material filled by the filling machine, when the packaging material is clamped, the box-shaped anvil 3 is blocked and limited, the movable seat 12 which continues to move left compresses the spring 10 and drives the second shearing blade 7 to extend leftwards, a shearing cutting effect is formed with the first shearing blade 4, and the box-shaped anvil 3 is tensioned by utilizing the elasticity of the spring 10 in a compressed state, so that the elastic tensioning and fixing effect on the packaging material during heat sealing is realized; in addition, when the first electric push rod 15 is started to drive the return-shaped pressure regulating rod 11 to move right, the two springs 10 can be compressed rightwards, the initial compression degree of the springs 10 is changed, the tightening force to the box-shaped anvil block 3 can be changed by changing the initial compression degree of the springs, and the clamping force to the packing materials during shearing can be conveniently adjusted according to the clamping requirement.

Further, the limiting component comprises a limiting block 8 fixedly connected to the inner wall of the bottom of the rectangular groove 5, a sliding block 6 sleeved in the rectangular groove 5 in a sliding way is matched with the right side of the limiting block 8, the sliding block 6 is fixedly sleeved on the second shearing blade 7, a sleeved hole fixedly connected with the outer side of the second shearing blade 7 is formed in the right side of the sliding block 6, and the sliding block 6 is fixedly sleeved on the second shearing blade 7 through the sleeved hole; the stopper 8 and the slider 6 cooperation that set up drive slider 6 when the second shearing blade 7 moves left and move left, and slider 6 moves left and is sheltered from the restriction by it when contacting with the right side of stopper 8, realizes restricting the biggest extension length of second shearing blade 7, prevents that it from stretching out the overlength and taking place the phenomenon of damaging, and utilizes the shearing mode, can reduce the impact damage degree of second shearing blade 7, improves its life.

The application method of the embodiment is as follows: the packaging material filled by the filling machine is placed between the welding head 102 and the box-shaped anvil 3, the second electric push rod 13 is started in the forward direction, when the second electric push rod 13 drives the movable seat 12 to move left, the movable seat 12 drives the box-shaped anvil 3 to move left sequentially through the spring 10, the return-shaped pressure regulating rod 11 and the first electric push rod 15, the packaging material filled by the filling machine is clamped, when the packaging material is clamped, the box-shaped anvil 3 is blocked and limited, the movable seat 12 which moves left continuously compresses the spring 10 and drives the second shearing blade 7 to extend left, a shearing cutting effect is formed with the first shearing blade 4, the tensioning of the box-shaped anvil 3 is realized by utilizing the elasticity of the spring 10 in a compressed state, the effect of clamping and shearing at two places of the packaging material is formed integrally by single driving is realized, the driving is not required to be independently provided with driving for clamping and transverse cutting, the shearing cutting effect formed by the second shearing blade 7 and the first shearing blade 4 is realized, the influence of flexibility of the packaging material is low by utilizing the relative shearing mode, the risk that the single-time cutting cannot be stably cut or the second shearing blade 7 is damaged by the shearing is reduced, and the stability is improved; the ultrasonic vibrator transducer 1 is supplied with power from the ultrasonic vibrator 101 to generate ultrasonic vibration, and the welding head 102 is matched to melt the thermoplastic resin of the packaging material by ultrasonic wave, so that the packaging material is sealed, and the ultrasonic heating transverse sealing effect is realized;

after heat sealing and shearing, the second electric push rod 13 is reversely started to drive the movable seat 12 to move back to the right, the movable seat 12 releases the compression degree of the spring 10 to the right, the second shearing blade 7 is driven to retract into the rectangular groove 5, after the release is finished, the movable seat 12 drives the box-shaped anvil block 3 to move back to the right and reset sequentially through the spring 10, the return pressure regulating rod 11 and the first electric push rod 15, the clamping state is released, the sheared packing material can be removed, and heat sealing and transverse cutting work is carried out again after the residual packing material is filled;

when the clamping heat-seal force is lower and needs to be adjusted, the first electric push rod 15 is started positively to drive the return-shape pressure regulating rod 11 to move rightwards, the return-shape pressure regulating rod 11 compresses the two springs 10 rightwards, the initial compression degree of the springs 10 can be changed, the tightening force to the box-shaped anvil 3 can be changed by changing the initial compression degree of the springs, the effect of adjusting the clamping force to the packing material is achieved, and the clamping force to the packing material during shearing is adjusted according to the clamping requirement conveniently.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a transverse sealing device of ultrasonic heating of package material liquid filling machine, includes the transverse sealing device body of ultrasonic heating, the transverse sealing device body of ultrasonic heating includes ultrasonic oscillator (101) and ultrasonic vibrator converter (1) that are connected with it, the right side fixedly connected with bonding tool (102) of ultrasonic vibrator converter (1), its characterized in that: the right side of the welding head (102) is provided with a box-shaped anvil block (3) with an opening on the right side, the right side of the ultrasonic vibrator converter (1) is fixedly connected with a rubber sheath (103), and the welding head (102) is positioned on the rubber sheath (103);

the ultrasonic vibrator is characterized in that a fixing plate is fixedly connected to the left side of the ultrasonic vibrator (101), a U-shaped seat (2) is fixedly connected to the right side of the fixing plate, the left inner wall of the U-shaped seat (2) is fixedly connected with the left side of the ultrasonic vibrator converter (1), grooves with openings are formed in the front side and the rear side of the welding head (102), a first shearing blade (4) is fixedly connected to the left inner wall of the groove, rectangular grooves (5) with openings are formed in the front side and the rear side of the box-shaped anvil (3), and a second shearing blade (7) matched with the first shearing blade (4) is arranged in the rectangular grooves (5);

the left inner wall of the box-shaped anvil block (3) is provided with a pressure-regulating elastic guide supporting component, the bottom inner wall of the rectangular groove (5) is fixedly provided with a first electric push rod (15) with an extending end fixedly connected with the left side of the pressure-regulating elastic guide supporting component, the right side of the U-shaped seat (2) is embedded and fixedly provided with a second electric push rod (13) with the extending end fixedly connected with the right side of the pressure-regulating elastic guide supporting component, and the right side of the second shearing blade (7) is fixedly connected with the pressure-regulating elastic guide supporting component;

and a limiting component is arranged in the rectangular groove (5), and is fixedly sleeved on the second shearing blade (7).

2. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 1, wherein: the pressure regulating formula elastic guide supporting component includes two horizontal guide arms (9) of fixed connection on box-shaped anvil (3) left side inner wall, slip cap is equipped with returns shape pressure regulating pole (11) and removes seat (12) on two horizontal guide arms (9), fixedly connected with two springs (10) between the right side of returning shape pressure regulating pole (11) and the left side of removing seat (12), spring (10) movable sleeve is established on corresponding horizontal guide arm (9), the left side bottom of returning shape pressure regulating pole (11) and the end fixed connection that stretches out of first electric putter (15), the right side of removing seat (12) and the end fixed connection that stretches out of second electric putter (13), the left side of removing seat (12) and the right side fixed connection of second shearing blade (7), second shearing blade (7) are located return shape pressure regulating pole (11) and do not contact with the inner wall of returning shape pressure regulating pole (11).

3. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 2, wherein: the limiting component comprises a limiting block (8) fixedly connected to the inner wall of the bottom of the rectangular groove (5), a sliding block (6) sleeved in the rectangular groove (5) is matched and arranged on the right side of the limiting block (8), and the sliding block (6) is fixedly sleeved on the second shearing blade (7).

4. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 1, wherein: the right top and the right bottom of the box-shaped anvil block (3) are fixedly connected with guide rods (14), the right ends of the guide rods (14) extend out of the U-shaped seat (2), and the U-shaped seat (2) is slidably sleeved on the two guide rods (14).

5. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 4, wherein: two guide perforations which are respectively sleeved with the outer sides of the corresponding guide rods (14) in a sliding manner are formed in the inner wall of the right side of the U-shaped seat (2).

6. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 1, wherein: the right side of the rectangular groove (5) is communicated with the inside of the box-shaped anvil block (3).

7. The ultrasonic heating transverse sealing device of the packing material filling machine according to claim 1, wherein: two resisting parts (301) are integrally arranged on the left side of the box-shaped anvil block (3), the two resisting parts (301) are matched with the welding head (102), and the second shearing blade (7) is positioned between the two resisting parts (301).