CN214493385U - Punching, welding and cutting system for filling - Google Patents

Abstract

The utility model provides a dash and weld system of cutting for filling, include: the machine frame is provided with a chain plate conveying line, and a powder filling station, a water distribution film punching and welding station and a sealing film punching and welding station are sequentially arranged on the machine frame along the conveying direction of the chain plate conveying line; the filling device is arranged on the rack and corresponds to the powder filling station, and comprises a filling frame, a metering cone hopper arranged on the filling frame, a filling head arranged at the lower end of the metering cone hopper, a driving assembly for driving a screw rod in the filling head to rotate and an anti-hanging cup assembly; the first punching welding device is arranged on the frame, corresponds to the water diversion film punching welding station, punches the water diversion film and completes the welding of the water diversion film and the cup body; and the second punching welding device is arranged on the frame, corresponds to the punching welding station of the sealing film and is used for punching the sealing film and completing the welding of the sealing film and the cup body. The utility model provides an among the prior art encapsulate the problem that leads to packaging efficiency low to filling back cup through artifical mode.

Description

Punching, welding and cutting system for filling

Technical Field

The utility model relates to a dash and weld the field of cutting, more specifically relates to a dash and weld system of cutting for filling.

Background

The capsule coffee is a capsule beverage, coffee beans are firstly ground into coffee powder and then put into an aluminum capsule, and the problems of acid change, oxidation and the like of common coffee beans or coffee powder after contacting air are solved.

When the capsule coffee is produced, coffee powder is required to be filled in a pretreated cup body and then packaged. The conventional device for filling and encapsulating the capsule coffee is complex in structure and low in filling speed, and the filled cup body cannot be encapsulated by the device for filling and encapsulating the capsule coffee generally, so that the filled cup body needs to be encapsulated manually, and the encapsulation efficiency is low.

In view of the above, it is desirable to provide a die-cutting mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a dash system of cutting of welding for filling to solve among the prior art and encapsulate the problem that leads to encapsulation efficiency ratio low through the cup after artifical mode to the filling.

In order to achieve the above object, the utility model provides a dash and weld system of cutting for filling, include:

the device comprises a frame provided with a chain plate conveying line, wherein a powder filling station, a water distribution film punching and welding station and a sealing film punching and welding station are sequentially arranged on the frame along the conveying direction of the chain plate conveying line;

the filling device is arranged on the rack and corresponds to the powder filling station and is used for realizing accurate filling of powder, the filling device comprises a filling frame, a metering cone hopper arranged on the filling frame and a filling head arranged at the lower end of the metering cone hopper, the filling head comprises a filling pipe and a screw rod arranged in the filling pipe, the filling device also comprises a driving assembly used for driving the screw rod to rotate and an anti-hanging cup assembly which is arranged outside the filling pipe and is used for separating a cup body from the filling pipe;

the first punching welding device is arranged on the rack, corresponds to the water diversion film punching welding station and is used for punching the water diversion film and welding the water diversion film and the cup body;

and the second punching welding device is arranged on the frame and corresponds to the punching welding station of the sealing film, and is used for punching the sealing film and completing the welding of the sealing film and the cup body.

As a further improvement of the utility model, the first punching welding device and the second punching welding device have the same structure and specifically comprise a punching welding bracket, a punching welding device positioned in the punching welding bracket and a film guiding device for guiding a film, a bottom plate with a limiting function is arranged below the punching welding device in the punching welding bracket,

the punching and welding device comprises a film pressing assembly, a film cutting assembly, a welding assembly, a lifting seat and a lifting driving mechanism for driving the lifting seat to move up and down;

wherein the film pressing assembly comprises a pressing plate and a first adjusting cylinder, the first adjusting cylinder is fixed on the lifting seat, a piston rod of the first adjusting cylinder extends downwards, the pressing plate is connected with the end of the piston rod of the first adjusting cylinder,

the film cutting assembly comprises a film cutting tool apron, a film cutting tool and a second adjusting cylinder, the second adjusting cylinder is fixed on the lifting seat, a piston rod of the second adjusting cylinder extends downwards, the film cutting tool is connected to the film cutting tool apron, and the film cutting tool apron is fixedly connected with the piston rod of the second adjusting cylinder; in an initial state, the pressing plate is positioned at the lower part of the film cutting knife, and the film cutting knife is positioned at the lower part of the welding head in the welding assembly.

As a further improvement of the utility model, the pressing plate comprises an upper steel plate and a lower food-grade PP plate.

As a further improvement of the utility model, the film cutting knife is of an annular structure, and the knife edge of the film cutting knife is of a saw-toothed structure.

As a further improvement, the lift drive mechanism includes lift driving motor, driving shaft, transmission piece, connecting rod, the connecting rod is fixed in on the lift seat, the driving shaft can the pivoted install in on the die-cut welding support, just the driving shaft by lift driving motor drive is rotatory, the transmission piece is fixed in on the driving shaft, just the one end of transmission piece pass through joint bearing with the connecting rod is connected.

As the utility model discloses a further improvement, lead the membrane device including receiving membrane roller, first deflector roll, second deflector roll and leading membrane servo motor, receive the membrane roller can the pivoted connect in die-cut welding support upper portion, just receive the membrane roller by it is rotatory to lead membrane servo motor drive, first deflector roll is located the die-cut front end that welds the support, the second deflector roll is located the die-cut rear end that welds the support.

As a further improvement, the welding subassembly includes bonding tool, radiation shield and third adjusting cylinder, the bonding tool connect in the lower extreme of radiation shield, the upper end of radiation shield with the third adjusting cylinder is fixed, the piston rod of third adjusting cylinder upwards stretches out, just the piston rod end of third adjusting cylinder with lift seat fixed connection, it has the confession to open on the film cutter the through-hole that the bonding tool passed.

As a further improvement of the utility model, the anti-hanging cup component comprises:

the fixed sleeve is fixed outside the straight pipe of the filling pipe;

the movable sleeve can move up and down and is sleeved outside the fixed sleeve, a sleeving hole is formed in the movable sleeve, the sleeving hole comprises a first hole in the upper part and a second hole which is positioned on the lower part of the first hole and is communicated with the first hole, the aperture size of the second hole is matched with the outer diameter size of the fixed sleeve, and the aperture of the first hole is larger than the outer diameter of the fixed sleeve;

the filling tube butt joint structure comprises a cup body, a movable sleeve, a fixed sleeve, a sealing bulge and a movable sleeve, wherein the outer edge of the cup body when the filling tube is in butt joint with the lower end of the movable sleeve abuts against the lower end of the fixed sleeve, the outer wall of the fixed sleeve is provided with the sealing bulge, the sealing bulge is attached to the hole wall of a first hole, a cavity is formed between the movable sleeve and the fixed sleeve and below the sealing bulge, and the movable sleeve is provided with an air hole communicated with the cavity.

As a further improvement, the fixed sleeve is provided with a position-limiting fixed ring above the movable sleeve.

As a further improvement of the present invention, the filling device further comprises:

the buffer hopper is communicated with a transverse conveying mechanism below and provided with a first material level sensor;

the driving assembly is arranged in the power box, and a second material level sensor used for detecting the height of powder in the metering cone hopper is arranged in the power box.

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

the utility model discloses a dash to weld system of cutting for filling carries out the filling through the filling device that is located powder filling station to the powder to earlier carry out die-cut and welding through the water-splitting membrane of first die-cut welding device arrangement in the cup behind the filling powder, then seal the cup through the die-cut welding device of second, with the completion to the encapsulation of the cup behind the filling powder, be convenient for manage the cup after the encapsulation. And, the utility model discloses a filling device simple structure, easily operation passes through moreover the utility model discloses a filling device is efficient to the powder filling to improve the efficiency that dashes to weld and cut the system and carry out the encapsulation to cup behind the filling.

Drawings

Fig. 1 is a schematic structural view of a die-welding and cutting system for filling according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a filling device according to an embodiment of the present invention;

fig. 3 is a schematic exploded view of the powder filling mechanism according to an embodiment of the present invention;

fig. 4 is a schematic front view of a first diecut welding device according to an embodiment of the present invention;

fig. 5 is a schematic side view of a first diecut welding device in accordance with an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a first diecut welding device in accordance with an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the structure at B in FIG. 4;

fig. 8 is a schematic connection structure diagram of a filling head and an anti-hang cup assembly;

fig. 9 is a schematic enlarged structural view at a in fig. 8.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "positive", "negative", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Please refer to fig. 1 to 9, which illustrate an embodiment of a punching, welding and cutting system for filling according to the present invention.

The embodiment provides a dash and weld system of cutting for filling, and this dash and weld system of cutting is including installing frame 1 of link joint transfer chain, and frame 1 is gone up and is provided with powder filling station, the die-cut welding station of water film, the die-cut welding station of sealing film in proper order along the direction of delivery of link joint transfer chain. The frame 1 is provided with a filling device 3 corresponding to the powder filling station for realizing the accurate filling of the powder. And a cup supporting component is arranged at each station. The filling device 3 includes a vacuum feeder 301, a buffer hopper 302, a horizontal conveying mechanism 303, and a powder filling mechanism 304, which are sequentially connected. The horizontal conveying mechanism 303 is a screw conveyor, and may be disposed below the buffer hopper 302. The buffer hopper 302 is provided with a first level sensor 305.

The powder filling mechanism 304 includes a filling frame 3041, a metering cone 306, a power box 3042 and a filling head 3043, wherein the metering cone 306 is mounted on the filling frame 3041, and the horizontal conveying mechanism 303 is communicated with the metering cone 306. A filling head 3043 is arranged at the lower end of the metering cone 306, the filling head 3043 comprising a filling tube 307 and a screw 315 disposed within the filling tube 307. The power box 3042 is installed on the upper portion of the measuring cone 306, and a driving assembly for driving the screw 315 to rotate is installed in the power box 3042. The powder filling mechanism 304 is further provided with a second level sensor 314, which can be arranged in the power box 3042 to detect the height of the powder in the metering cone 306, supplement the powder in real time, and ensure the relative stability of the powder level in the metering cone 306, thereby ensuring the filling precision and improving the filling effect of the powder. The powder filling mechanism 304 further comprises an anti-hang cup assembly 316 arranged outside the filling tube 307 and used for separating the cups from the filling tube 307.

The frame 1 is also provided with a first punching welding device 4 corresponding to the punching welding station of the water division film, a second punching welding device 5 corresponding to the punching welding station of the sealing film, and a third punching welding device 4 used for punching the water division film and finishing the welding of the water division film and the cup body. So, weld the water film that divides in the cup after the filling through first die-cut welding set 4 to cup after the water film that divides is sealed through die-cut welding set 5 of second. Therefore, the encapsulation of the filling cup body is completed, and the cup body after encapsulation is convenient to manage.

Therefore, the punching, welding and cutting system for filling of the embodiment fills the powder through the filling device 3 located at the powder filling station, firstly performs punching and welding on the water distribution membrane arranged in the cup body after filling the powder through the first punching and welding device 4, and then seals the cup body through the second punching and welding device 5, so as to complete the encapsulation of the cup body after filling the powder, and facilitate the management of the encapsulated cup body. Moreover, the filling device of the embodiment is simple in structure and easy to operate, and the filling device of the embodiment is high in powder filling efficiency, so that the efficiency of encapsulation of the cup body after filling by the punching, welding and cutting system is improved.

Specifically, first die-cut welding set 4, the die-cut 5 device that welds of second structure are the same to specifically including die-cut welding support 401, be located the die-cut welding set of die-cut welding support 401 and be used for leading-in membrane device of leading-in with the membrane, be located die-cut welding set's below in die-cut welding support 401 and be provided with bottom plate 402 that plays limiting displacement, die-cut welding set includes the press mold subassembly, cuts the membrane subassembly, the welding subassembly, lift seat 403 and is used for driving the lift actuating mechanism that lift seat 403 reciprocated.

Wherein, the film pressing component comprises a pressing plate 404 and a first adjusting cylinder 405, the first adjusting cylinder 405 is fixed on the lifting seat 403, a piston rod of the first adjusting cylinder 405 extends downwards, the pressing plate 404 is connected to the end of the piston rod of the first adjusting cylinder 405, the film cutting component comprises a film cutting knife seat 419, a film cutting knife 416 and a second adjusting cylinder 418, the second adjusting cylinder 418 is fixed on the lifting seat 403, a piston rod of the second adjusting cylinder 418 extends downwards, the film cutting knife 416 is connected to the film cutting knife seat 419, and the film cutting knife seat 419 is fixedly connected with the piston rod of the second adjusting cylinder 418. The welding assembly comprises a welding head 417, a heat insulation sleeve 406 and a third adjusting cylinder 407, the welding head 417 is connected to the lower end of the heat insulation sleeve 406, the upper end of the heat insulation sleeve 406 is fixed with the third adjusting cylinder 407, a piston rod of the third adjusting cylinder 407 extends upwards, the end of the piston rod of the third adjusting cylinder 407 is fixedly connected with the lifting seat 403, and a through hole for the welding head 417 to pass through is formed in the film cutting knife 416. Initially, the platen 404 is positioned below the slit film knife 416, and the slit film knife 416 is positioned below the horn in the weld stack.

The press plate 404 comprises an upper steel plate and a lower food grade PP plate. The film cutting knife 416 is of an annular structure, and the edge of the film cutting knife 416 is of a saw-toothed structure.

The film guiding device comprises a film receiving roller, a first guide roller 413, a second guide roller 414 and a film guiding servo motor 415, the film receiving roller can be rotatably connected to the upper portion of the punching welding support 401, the film receiving roller is driven to rotate by the film guiding servo motor 415, the first guide roller 413 is located at the front end of the punching welding support 401, and the second guide roller 414 is located at the rear end of the punching welding support 401. The lifting driving mechanism comprises a lifting driving motor 408, a driving shaft 409, a driving block 410 and a connecting rod 412, the connecting rod 412 is fixed on the lifting seat 403, the driving shaft 409 is rotatably installed on the punching welding support 401, the driving shaft 409 is driven to rotate by the lifting driving motor 408, the driving block 410 is fixed on the driving shaft 409, and one end of the driving block 410 is connected with the connecting rod 412 through a joint bearing 411.

It should be understood that the film guiding device is started, the film enters the die cutting and welding bracket 401 through the first guide roller 413 and is located between the bottom plate 402 and the die cutting and welding device, at the same time, the cup holder 103 is driven by the lifting cylinder 104 of the cup holder assembly to ascend, and then the cup body on the chain plate is driven to ascend, then the lifting driving motor 408 is started to drive the lifting seat 403 to move downwards, and further drive the die cutting and welding device to move downwards integrally, when the die cutting and welding device moves downwards integrally, because the pressing plate 404 is located at the lowest position, the film pressing assembly preferentially acts, the pressing plate 404 moves downwards until the top touches the bottom plate 402, the pressing plate 404 cooperates with the bottom plate 402 to compress the film, at this time, the pressing plate 404 cannot move downwards continuously, the pressing plate 404 compresses the piston rod of the first adjusting cylinder 405, and at this time, the lifting seat 403 continues to move downwards to drive the film cutting assembly and the welding assembly to move downwards, and then the film cutting assembly starts to act, the film cutting knife 416 performs film cutting, the film cutting knife 416 cannot move downwards continuously after film cutting, so that a piston rod of the second adjusting cylinder 418 is compressed, at the moment, the lifting seat 403 continues to move downwards, finally, the welding assembly starts to act, the film and the cup body are welded through the welding head 417, after welding is completed, the lifting seat 403 moves upwards, the lifting cylinder 104 of the cup supporting assembly drives the cup support 103 to move downwards, the film guiding servo motor 415 drives the film collecting roller to work, so that the film is driven to move, and the next work is continued.

In this embodiment, a sealing film secondary welding station is further arranged after the sealing film punching welding station on the frame 1, and the punching welding cutting system for filling further includes a sealing film secondary welding device 6 which is installed on the frame 1 and corresponds to the sealing film secondary welding station, and is used for repair welding of a sealed product to improve air tightness. The sealing film secondary welding device 6 comprises a welding frame, a welding cylinder and a welding head, wherein the welding cylinder is arranged on the welding frame, and the welding head is driven by the welding cylinder to move up and down.

In the above embodiment, the driving assembly includes a filling servo motor 309 and a filling speed reducer 310, an output end of the filling servo motor 309 is in transmission connection with an input end of the filling speed reducer 310, and an output end of the filling speed reducer 310 is in transmission connection with an upper end of the transmission rod 308. The powder filling mechanism 304 further comprises a stirring component, the stirring component comprises a stirring motor 311, a stirring shaft 312 and a stirring sheet 313, the stirring motor 311 is installed in the power box 3042, the stirring shaft 312 is in transmission connection with an output shaft of the stirring motor 311 through a gear component, the stirring sheet 313 is installed on the stirring shaft 312, and the stirring sheet 313 is located in the metering cone 306. With this arrangement, the horizontal conveying mechanism 303 conveys the powder in the buffer hopper 302 to the metering cone 306 of the powder filling mechanism 304, and the driving assembly in the power box 3042 drives the screw 315 to rotate, so as to fill the powder into the cup body below the filling head 3043 under the rotation of the screw. Wherein, drive the rotatory in-process of screw 315 at drive assembly, drive (mixing) shaft 312 through agitator motor 311 and rotate in order to drive stirring piece 313 at measurement awl fill 306 internal rotation, can avoid on the inner wall of filling in-process powder adhesion at measurement awl fill 306 to effectively guarantee the stability and the reliability of powder filling.

The filling pipe 307 comprises a conical pipe 3071 on the upper part and a straight pipe 3072 on the lower part, the inner diameter of the conical pipe 3071 is gradually decreased from top to bottom, the upper end of the conical pipe 3071 is connected with the discharge hole of the metering conical hopper 306, and the lower end of the conical pipe 3071 is connected with the upper end of the straight pipe 3072. So set up, when filling the powder to the cup, the powder that gets into filling pipe 307 makes the powder density that gets into in the cup increase through conical tube 3071, straight tube 3072 in proper order, from this, has increased the closely knit degree of filling powder.

In the above embodiment, the lower portion of the filling tube 307 is mounted with the anti-hang cup assembly 316. Wherein, prevent hanging cup subassembly 316 includes: a fixed sleeve 317 fixed to the outside of the straight tube of the filling tube 307; the movable sleeve 318 can move up and down and is sleeved outside the fixed sleeve 317, the movable sleeve 318 is provided with a sleeving hole, the sleeving hole comprises a first hole 3181 at the upper part and a second hole 3182 which is positioned at the lower part of the first hole 3181 and is communicated with the first hole, and the aperture size of the second hole 3182 is matched with the outer diameter size of the fixed sleeve 317, so that the hole wall of the second hole 3182 is attached to the outer wall of the fixed sleeve 317. Also, the first hole 3181 has a hole diameter larger than the outer diameter of the fixing sleeve 317. The wall of the second hole 3182 is attached to the outer wall of the retaining sleeve 317 by at least one sealing ring 3183. Wherein, the outer edge 1032 of the cup 1031 when abutting against the filling tube 307 abuts against the lower end of the movable sleeve 318, the outer wall of the fixed sleeve 317 is provided with a sealing bulge 321, the sealing bulge 321 is attached to the hole wall of the first hole 3181, a cavity 322 is formed between the movable sleeve 318 and the fixed sleeve 317 below the sealing bulge 321, and the movable sleeve 318 is provided with an air hole 3191 communicated with the cavity 322. The air vent 3191 is configured with an air inflation fitting 319. The number of the air holes 3191 is configured to be one.

A plurality of sealing protrusions 321 are arranged, a sealing member 3211 is arranged in a cavity formed between adjacent sealing protrusions 321 and the hole wall of the first hole 3181, and a cavity 322 is formed among the lowermost sealing protrusion 321, the movable sleeve 318 and the fixed sleeve 317.

Notably, the outer wall diameter of the stationary sleeve 317 is smaller than the flared dimension of the flared portion of the cup, and the outer wall diameter of the movable sleeve 318 is not smaller than the outer edge diameter of the cup 1031.

It will be appreciated that air pressure may be introduced into the cavity 322 via the air hole 3191 (e.g., 0.1MPa at the air charging connector 319), and then the lift cylinder (not shown) of the cup holder assembly at the powder filling station may drive the cup holder 103 to move up, such that the cup body in the cup holder 103 is in abutment with the filling tube 307. As the cup continues to rise, the upward movement of the cup causes the movable sleeve 318 to move upward as the outer edge 1032 of the cup abuts the lower end of the movable sleeve 318. After the filling, the lifting cylinder of the cup supporting assembly located at the powder filling station descends, and due to the pressure of the gas inside the cavity 322, the movable sleeve 318 extends downwards under the action of the air pressure to drive the cup 1031 to move downwards, so that the cup 1031 and the filling tube 307 are reliably separated, and the cup hanging phenomenon is avoided. From this, solved among the prior art cup and the problem that the filling head is difficult to reliably separate and the phenomenon of hanging the cup appears.

It should be noted that the lifting cylinder passing through the cup holding assembly at the powder filling station in this embodiment is a conventional arrangement in the art, and the specific arrangement structure is not described in detail.

Further, the fixed sleeve 317 is sleeved with a position-limiting fixed ring 320 above the movable sleeve 318. The limiting fixing ring 320 is formed with an annular extension part 3201 extending longitudinally downward to extend into the first hole 3181, and the annular extension part 3201 is respectively attached to the hole wall of the first hole 3181 and the outer wall of the fixing sleeve 317. The retaining ring 320 is also formed with an annular boss 3202 extending longitudinally upward and engaging the outer wall of the retaining sleeve 317. So set up, after cup 1031 docks with filling tube 307, the cup continues the in-process that rises, and the outer edge 1032 of cup drives movable sleeve 318 and shifts up, bumps spacing solid fixed ring 320 until movable sleeve 318 tops to the size that shifts up of movable sleeve 318 plays spacing effect.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A die-welding and cutting system for filling, comprising:

the device comprises a frame provided with a chain plate conveying line, wherein a powder filling station, a water distribution film punching and welding station and a sealing film punching and welding station are sequentially arranged on the frame along the conveying direction of the chain plate conveying line;

the filling device is arranged on the rack and corresponds to the powder filling station and is used for realizing accurate filling of powder, the filling device comprises a filling frame, a metering cone hopper arranged on the filling frame and a filling head arranged at the lower end of the metering cone hopper, the filling head comprises a filling pipe and a screw rod arranged in the filling pipe, the filling device also comprises a driving assembly used for driving the screw rod to rotate and an anti-hanging cup assembly which is arranged outside the filling pipe and is used for separating a cup body from the filling pipe;

the first punching welding device is arranged on the rack, corresponds to the water diversion film punching welding station and is used for punching the water diversion film and welding the water diversion film and the cup body;

and the second punching welding device is arranged on the frame and corresponds to the punching welding station of the sealing film, and is used for punching the sealing film and completing the welding of the sealing film and the cup body.

2. The die welding system according to claim 1,

the first punching welding device and the second punching welding device have the same structure and specifically comprise a punching welding bracket, a punching welding device positioned in the punching welding bracket and a film guide device used for guiding a film, a bottom plate with a limiting function is arranged below the punching welding device in the punching welding bracket,

the punching and welding device comprises a film pressing assembly, a film cutting assembly, a welding assembly, a lifting seat and a lifting driving mechanism for driving the lifting seat to move up and down;

wherein the film pressing assembly comprises a pressing plate and a first adjusting cylinder, the first adjusting cylinder is fixed on the lifting seat, a piston rod of the first adjusting cylinder extends downwards, the pressing plate is connected with the end of the piston rod of the first adjusting cylinder,

the film cutting assembly comprises a film cutting tool apron, a film cutting tool and a second adjusting cylinder, the second adjusting cylinder is fixed on the lifting seat, a piston rod of the second adjusting cylinder extends downwards, the film cutting tool is connected to the film cutting tool apron, and the film cutting tool apron is fixedly connected with the piston rod of the second adjusting cylinder; in an initial state, the pressing plate is positioned at the lower part of the film cutting knife, and the film cutting knife is positioned at the lower part of the welding head in the welding assembly.

3. The die welding system according to claim 2,

the pressing plate comprises an upper steel plate and a lower food-grade PP plate.

4. The die welding system according to claim 2,

the film cutting knife is of an annular structure, and the knife edge of the film cutting knife is of a sawtooth structure.

5. The die welding system according to claim 2,

the lifting driving mechanism comprises a lifting driving motor, a driving shaft, a transmission block and a connecting rod, the connecting rod is fixed on the lifting seat, the driving shaft can be rotatably installed on the punching welding support, the driving shaft is driven to rotate by the lifting driving motor, the transmission block is fixed on the driving shaft, and one end of the transmission block is connected with the connecting rod through a joint bearing.

6. The die welding system according to claim 2,

lead the membrane device including receiving membrane roller, first deflector roll, second deflector roll and leading membrane servo motor, receive the membrane roller can pivoted connect in die-cut welding support upper portion, just receive the membrane roller by it is rotatory to lead membrane servo motor drive, first deflector roll is located the die-cut front end that welds the support, the second deflector roll is located the die-cut rear end that welds the support.

7. The die welding system according to claim 2,

the welding assembly comprises a welding head, a heat insulation sleeve and a third adjusting cylinder, the welding head is connected to the lower end of the heat insulation sleeve, the upper end of the heat insulation sleeve is fixed to the third adjusting cylinder, a piston rod of the third adjusting cylinder extends upwards, the end of the piston rod of the third adjusting cylinder is fixedly connected with the lifting seat, and a through hole for the welding head to pass through is formed in the film cutting knife.

8. The die welding system according to any one of claims 1-7, wherein the anti-hang cup assembly comprises:

the fixed sleeve is fixed outside the straight pipe of the filling pipe;

the movable sleeve can move up and down and is sleeved outside the fixed sleeve, a sleeving hole is formed in the movable sleeve, the sleeving hole comprises a first hole in the upper part and a second hole which is positioned on the lower part of the first hole and is communicated with the first hole, the aperture size of the second hole is matched with the outer diameter size of the fixed sleeve, and the aperture of the first hole is larger than the outer diameter of the fixed sleeve;

the filling tube butt joint structure comprises a cup body, a movable sleeve, a fixed sleeve, a sealing bulge and a movable sleeve, wherein the outer edge of the cup body when the filling tube is in butt joint with the lower end of the movable sleeve abuts against the lower end of the fixed sleeve, the outer wall of the fixed sleeve is provided with the sealing bulge, the sealing bulge is attached to the hole wall of a first hole, a cavity is formed between the movable sleeve and the fixed sleeve and below the sealing bulge, and the movable sleeve is provided with an air hole communicated with the cavity.

9. The die welding system of claim 8,

the fixed sleeve is sleeved with a limiting and fixing ring above the movable sleeve.

10. The die welding system according to any one of claims 1-7, wherein the filling device further comprises:

the buffer hopper is communicated with a transverse conveying mechanism below and provided with a first material level sensor;

the driving assembly is arranged in the power box, and a second material level sensor used for detecting the height of powder in the metering cone hopper is arranged in the power box.

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