CN111619162A

CN111619162A - Valve port bag production is with gluing back cover machine with heat

Info

Publication number: CN111619162A
Application number: CN202010302130.6A
Authority: CN
Inventors: 杨小强
Original assignee: Xi'an Jiemei Plastic Industry Co ltd
Current assignee: Xi'an Jiemei Plastic Industry Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-09-04
Anticipated expiration: 2040-04-16
Also published as: CN111619162B

Abstract

The invention relates to a hot-sticking bottom sealing machine for valve port bag production, which comprises a frame body and a hot-pressing assembly, wherein the hot-pressing assembly is positioned on the frame body and can be used for hot-pressing and bonding a valve port bag; the valve port bag production of design is with hot bonding back cover machine through the hot-pressing bonding of pasting end flat bag and valve port bag diapire, has avoided the too high damage to valve port bag bottom of hot-pressing bonding temperature, improves the life of valve port bag, simultaneously, improves the degree of automation of valve port bag processing.

Description

Valve port bag production is with gluing back cover machine with heat

Technical Field

The invention relates to the technical field of valve bag production equipment, in particular to a hot-sticking bottom sealing machine for valve bag production.

Background

The valve bag is an environment-friendly bag which is fed from a top or bottom valve port and is filled with materials by adopting special filling equipment to form a square body, mainly comprises a PP valve bag, a PE valve bag, a paper-plastic composite valve bag, a kraft paper valve bag and a multilayer kraft paper valve bag and is mainly used for packaging powdery or granular solid materials and flexible articles such as edible powder, chemical fertilizer, synthetic materials, explosive, grains, salt, mineral substances and the like.

Chinese patent No. CN110561835A discloses a semi-automatic bottom sealing device for plastic bottom folding bag, which comprises: the device comprises a frame, a supporting die, a hot pressing die and a driving mechanism; the frame is movably provided with at least one supporting die, the driving mechanism is also arranged on the frame, and the driving mechanism drives the hot-pressing die to lift; when the supporting die is positioned at the sleeving station, the plastic bottom folding bag is sleeved on the supporting die manually, when the supporting die moves to the hot pressing station, the bottom of the plastic bottom folding bag is just driven to be right below the hot pressing die by the supporting die, and when the hot pressing die descends to the lowest position, the bottom of the plastic bottom folding bag is bonded in a pressing and heating mode.

When the bottom of the plastic bottom folding bag sleeve is sealed, the supporting mold is firstly kept at the sleeve setting station, the plastic bottom folding bag sleeve is manually folded on the supporting mold, the supporting mold is then moved to the hot pressing station, then the driving mechanism is started, the driving mechanism drives the hot pressing mold to descend until the bottom of the hot pressing mold contacts and extrudes the bottom of the plastic bottom folding bag sleeve, and two hot pressing traces are formed at the bottom of the plastic bottom folding bag sleeve in a pressing and heating mode.

The above prior art solutions have the following drawbacks: the bottom bag can be damaged by directly contacting the bottom of the bag sleeve through the hot-pressing die, and the service life of the bottom bag is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a bottom hot-sticking and sealing machine for producing a valve bag, which avoids the damage of the bottom of the valve bag caused by overhigh hot-pressing bonding temperature through the hot-pressing bonding of a bottom sticking flat bag and the bottom wall of the valve bag, prolongs the service life of the valve bag and improves the automation degree of the valve bag processing.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a valve pocket production is with hot adhesion back cover machine, includes the frame and is located hot pressing assembly who just can bond valve pocket hot pressing in the frame, it is connected with the carousel to rotate in the frame, the carousel bottom is provided with the drive with one heart the first driving motor of carousel pivoted, be provided with three at least groups stations on the carousel, whole the station is followed carousel circumference direction evenly distributed, and each place the support centre form that can support the valve pocket on the station, in hot pressing assembly below is provided with and is located can turn over the hem subassembly of rolling over the valve pocket bottom in the frame, frame one side is provided with the support, install conveying assembly on the support, conveying assembly is last to separate the section and has placed can be to the attached flat bag in the back of valve pocket bottom.

By adopting the technical scheme, when the valve bag is sealed, the valve bag is sequentially sleeved on the supporting inner die, the first driving motor is adjusted, the driving shaft of the first driving motor drives the turntable to rotate, the turntable drives the supporting inner die to rotate, the supporting inner die drives the valve bag to move, when the valve bag is located under the hot pressing assembly, the edge folding assembly is adjusted, the edge folding assembly folds the bottom of the valve bag, after the valve bag is folded and pressed for a certain time, the conveying assembly works, the conveying assembly conveys the bottom-attached flat bag, conveys the bottom-attached flat bag to the folded valve bag, then the hot pressing assembly is adjusted, and the hot pressing assembly carries out hot-pressing bonding on the bottom-attached flat bag and the folded edge of the valve bag, so that the sealing of the valve bag is completed; the valve port bag production of design is with hot bonding back cover machine through the hot-pressing bonding of pasting end flat bag and valve port bag diapire, has avoided the too high damage to valve port bag bottom of hot-pressing bonding temperature, improves the life of valve port bag, simultaneously, improves the degree of automation of valve port bag processing.

The present invention in a preferred example may be further configured to: the conveying assembly comprises two rotating rollers which are positioned on the support, the two rotating rollers are axially arranged in parallel, a conveying belt is wound on the two rotating rollers together, adjusting rollers are arranged below the rotating rollers, the adjusting rollers and the rotating rollers are axially arranged in parallel, the conveying belt is wound on the adjusting rollers and the two groups of rotating rollers, two groups of compression rollers capable of pressing the belt surface of the conveying belt are arranged between the adjusting rollers and the two groups of rotating rollers, a second driving motor for driving the rotating rollers to rotate is arranged on the rotating rollers far away from the rack, guide sliding blocks are rotatably connected with the two ends of the rotating rollers close to the rack, a guide sliding groove for the guide sliding block to slide is formed in the support, the guide sliding groove is arranged along the length direction of the support, and a spring for enabling the guide sliding block to tend to move towards one side of the rack is arranged in the guide sliding groove, and the support is also provided with a driving piece for driving the adjusting roller to lift.

By adopting the technical scheme, the second driving motor is adjusted, the driving shaft of the second driving motor drives the rotating roller to rotate, the rotating roller drives the conveying belt to move, the conveying belt drives the pressing roller and the adjusting roller to rotate, then the driving piece is adjusted, the driving piece drives the adjusting roller to lift, the adjusting roller drives the conveying belt to move, the conveying belt drives the rotating roller close to one side of the rack to move, the rotating roller drives the guide sliding block to slide along the guide sliding groove, the spring is compressed, and the bottom-attached flat bag positioned on the conveying belt falls on the valve bag; the conveying assembly can drive the bottom-attached flat bag to move, the bottom-attached flat bag is made to fall on the valve bag, the valve bag is convenient to transport, automatic conveying of the bottom-attached flat bag is achieved, the automation degree of the hot-sticking bottom sealing machine for valve bag production is improved, and manpower loss is reduced.

The present invention in a preferred example may be further configured to: the guide sliding groove is internally provided with a guide rod, the guide rod penetrates through the guide sliding block and is connected with the guide sliding block in a sliding mode, and the spring is sleeved on the guide rod.

Through adopting above-mentioned technical scheme, the guide bar of design can lead to the slider that leads, simultaneously, can prevent that the spring from taking place radial deformation in compression process, prolongs the life of spring.

The present invention in a preferred example may be further configured to: the driving piece is including being located the guide block at regulating roller both ends, the confession has been seted up on the support the guide way that the guide block slided, the guide way is followed the axial direction of carousel sets up, passes the support is provided with and is located the threaded rod of guide way, threaded rod and guide block threaded connection, just the guide bar is followed guide way length direction sets up, the threaded rod stretches out the third driving motor is installed to the extension section tip of support.

By adopting the technical scheme, the third driving motor is adjusted, the driving shaft of the third driving motor drives the threaded rod to rotate, the threaded rod drives the guide block to move along the guide groove, the guide block drives the adjusting roller to move, the adjusting roller drives the conveying belt to move, the conveying belt drives the rotating roller close to one side of the rack to move, the rotating roller drives the guide sliding block to slide along the guide sliding groove, the spring is compressed, the bottom-attached flat bag on the conveying belt falls on the valve bag, when the third driving motor rotates reversely, the driving shaft of the third driving motor drives the threaded rod to rotate, the threaded rod drives the guide block to move along the guide groove, the guide block drives the adjusting roller to move, the adjusting roller drives the conveying belt to move, the rotating roller close to one side of the rack is not stressed any more, the spring is restored, the guide sliding block is pushed by the spring to move along the guide rod, the guide, the conveyor belt drives the bottom-attached flat bag to move; the driving piece of design can be to the conveyer belt application of force, adjusts the elongation of conveyer belt, and then realizes the transmission and the blanking of sticking bottom flat bag.

The present invention in a preferred example may be further configured to: the edge folding assembly comprises four groups of first air cylinders positioned on the rack, the four groups of first air cylinders are respectively positioned around the supporting inner die, first push plates capable of folding edges of the valve bag are mounted on air cylinder shafts of the two groups of first air cylinders which are oppositely arranged, and second push plates capable of folding edges of the valve bag are mounted on air cylinder shafts of the other two groups of first air cylinders.

By adopting the technical scheme, when the valve bag is folded, the first air cylinder connected with the first push plate is adjusted firstly, the first air cylinder drives the first push plate to move, the first push plate folds the two sides of the valve bag, then the first air cylinder connected with the second push plate is adjusted, the first air cylinder drives the second push plate to move, the other two sides of the valve bag are folded, and the folding of the valve bag is realized; the designed edge folding assembly can be used for folding the bottom of the valve bag and is matched with a bottom-attached flat bag to realize the back cover of the valve bag.

The present invention in a preferred example may be further configured to: and a second cylinder is arranged on one side, close to each other, of the two second push plates, a cylinder shaft of the second cylinder is arranged along the axis direction of the turntable, and a press block is arranged on the cylinder shaft of the second cylinder.

By adopting the technical scheme, the second cylinder is adjusted, and the cylinder shaft of the second cylinder drives the pressing block to press the bottom of the bottom-attached flat bag; the designed press block can be matched with the supporting inner die to enable the bottom wall of the valve bag to be abutted against the supporting inner die, so that the flat bag attached to the bottom can be placed conveniently, and the back cover of the valve bag can be further realized.

The present invention in a preferred example may be further configured to: the cross section of the first push plate is arranged in an L shape, the vertical section of the first push plate is connected with the cylinder shaft of the first cylinder, and the horizontal sections of the two second push plates are jointly provided with through holes for the pressing block to pass through.

By adopting the technical scheme, the designed through hole is convenient for the pressing block to pass through, and the pressing of the bottom-attached flat bag is realized; the second cylinder is designed to provide driving force for the pressing block, so that the pressing block moves along the axial direction of the cylinder shaft of the second cylinder.

The present invention in a preferred example may be further configured to: the hot pressing assembly comprises a third cylinder located on the rack, a connecting seat is mounted on a cylinder shaft of the third cylinder, a cavity is formed in one side, away from the third cylinder, of the connecting seat, heating wires are mounted in the cavity, a heat conducting plate is mounted at the opening of the cavity, and a plurality of pressing strips distributed in a staggered mode are arranged on one side, away from the connecting seat, of the heat conducting plate.

By adopting the technical scheme, when the bottom-attached flat bag is subjected to hot pressing, firstly, the electric heating wire is communicated with a power supply and is heated, the heat is transferred to the heat conducting plate by the electric heating wire, the heat conducting plate transfers the heat to the pressing strip, then, the third air cylinder is adjusted, the air cylinder shaft of the third air cylinder drives the connecting seat to move, the connecting seat drives the heat conducting plate to move, the heat conducting plate drives the pressing strip to move, and the pressing strip carries out hot pressing on the bottom-attached flat bag and the bottom of the valve bag so as to realize hot bonding and bottom sealing of the; the designed hot-pressing component can be matched with the supporting inner die to carry out hot bonding and bottom sealing on the bottom of the valve bag and the bottom-attached flat bag.

The present invention in a preferred example may be further configured to: and a heat insulation plate is arranged on the side wall of the connecting seat, and a circuit penetrates through the heat insulation plate to be connected with the electric heating wire.

Through adopting above-mentioned technical scheme, the heat insulating board of design can protect operational environment, prevents to cause the damage to the staff because operating personnel work error, improves the security performance of hot sticking back cover machine.

In summary, the invention includes at least one of the following beneficial technical effects:

1. according to the hot-bonding bottom sealing machine for valve bag production, the hot-pressing bonding of the bottom-attaching flat bag and the bottom wall of the valve bag is adopted, so that the damage to the bottom of the valve bag caused by overhigh hot-pressing bonding temperature is avoided, the service life of the valve bag is prolonged, and meanwhile, the automation degree of valve bag processing is improved;

2. according to the bottom-sticking machine for producing the valve bag, the designed conveying assembly can drive the bottom-sticking flat bag to move and enable the bottom-sticking flat bag to fall on the valve bag, so that the valve bag is convenient to transport, the automatic conveying of the bottom-sticking flat bag is realized, the automation degree of the bottom-sticking machine for producing the valve bag is improved, and the manpower loss is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view from another perspective of the present invention;

FIG. 3 is a cross-sectional view taken along plane A-A of FIG. 2;

FIG. 4 is an enlarged schematic view of section B of FIG. 3;

FIG. 5 is an enlarged schematic view of section C of FIG. 3;

FIG. 6 is a partial schematic structural view of the present invention, intended to illustrate a hemming assembly;

fig. 7 is an enlarged schematic view of a portion D of fig. 6.

Reference numerals: 1. a frame; 2. a hot pressing assembly; 21. a third cylinder; 22. a connecting seat; 23. an electric heating wire; 24. a heat conducting plate; 25. a heat insulation plate; 26. layering; 27. a concave cavity; 3. a turntable; 31. a station; 32. a first drive motor; 33. supporting the inner mold; 4. a hemming assembly; 41. a first cylinder; 42. a first push plate; 43. a second push plate; 44. a second cylinder; 45. briquetting; 46. a through hole; 5. a delivery assembly; 51. a second drive motor; 52. a rotating roller; 53. a conveyor belt; 54. a compression roller; 55. a regulating roller; 56. a drive member; 561. a third drive motor; 562. a threaded rod; 563. a guide groove; 564. a guide block; 57. a guide chute; 571. a guide slider; 58. a guide bar; 59. a spring; 6. sticking a bottom flat bag; 7. and (4) a support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1, the hot-sticking bottom sealing machine for producing a valve bag disclosed by the invention comprises a frame 1 and a hot-pressing assembly 2 positioned on the frame 1, wherein a rotary table 3 is rotatably connected on the frame 1, referring to fig. 2 and 3, a first driving motor 32 for driving the rotary table 3 to rotate is concentrically arranged at the bottom of the rotary table 3, three groups of stations 31 are arranged on the rotary table 3, the three groups of stations 31 are uniformly distributed along the circumferential direction of the rotary table 3, and place the support centre form 33 that can support the valve bag on each station 31, be provided with below hot pressing unit 2 and be located frame 1 and can turn over the hem subassembly 4 that turns over the valve bag bottom, frame 1 one side is provided with support 7, installs conveying component 5 on the support 7, and the flat bag 6 of can pasting the end of pasting to the valve bag bottom is placed to the last segmentary of conveying component 5, and the flat bag 6 of end of pasting includes valve bag basic unit and the supplementary subsides layer that bonds with the valve bag basic unit.

Referring to fig. 3 and 4, the conveying assembly 5 includes two rotating rollers 52 located on the support 7, the two rotating rollers 52 are arranged in parallel in the axial direction, and the two rotating rollers 52 are together wound with a conveying belt 53, an adjusting roller 55 is arranged below the two rotating rollers 52, the adjusting roller 55 is arranged in parallel with the rotating rollers 52 in the axial direction, the conveying belt 53 is wound on the adjusting roller 55 and the two sets of rotating rollers 52, two sets of pressing rollers 54 capable of pressing the belt surface of the conveying belt 53 are arranged between the rotating rollers 52 and the adjusting roller 55, the pressing rollers 54 are rotatably connected with the support 7, a second driving motor 51 for driving the rotating rollers 52 to rotate is mounted on the rotating rollers 52 far away from the rack 1, referring to fig. 7, guide sliders 571 are rotatably connected to both ends of the rotating rollers 52 close to the rack 1, guide chutes 57 for the guide sliders to slide are formed on the support 7, the guide chutes 57 are arranged 571 along the length direction of the support 7, springs 59 for making the guide sliders, the guide chute 57 is internally and fixedly connected with a guide rod 58, the guide rod 58 penetrates through the guide sliding block 571, the guide rod 58 is connected with the guide sliding block 571 in a sliding manner, the spring 59 is sleeved on the guide rod 58, one end of the spring 59 is connected with the guide sliding block 571, and the other end of the spring 59 is connected with the side wall of the guide chute 57.

Referring to fig. 5, a driving member 56 for driving the adjusting roller 55 to ascend and descend is further arranged on the support 7, the driving member 56 includes guide blocks 564 located at two ends of the adjusting roller 55, the guide blocks 564 are rotatably connected with the adjusting roller 55, a guide groove 563 for the guide blocks 564 to slide is formed in the support 7, the guide groove 563 is arranged along the axial direction of the turntable 3, a threaded rod 562 located in the guide groove 563 is arranged through the support 7, the threaded rod 562 is in threaded connection with the guide blocks 564, the guide rod 58 is arranged along the length direction of the guide groove 563, and a third driving motor 561 is installed at the end of an extending section of the threaded rod 562 extending out of the support 7.

Referring to fig. 6 and 7, the edge folding assembly 4 includes four groups of first cylinders 41 located on the frame 1, the four groups of first cylinders 41 are located around the supporting inner mold 33 respectively, the four groups of first cylinders 41 are located higher than the supporting inner mold 33, first push plates 42 capable of folding the valve bag are mounted on cylinder shafts of the two groups of first cylinders 41 which are oppositely arranged, the cross section of each first push plate 42 is L-shaped, the vertical section of each first push plate 42 is connected with the corresponding first cylinder 41, and the horizontal sections of the two first push plates 42 can fold the valve bag; the cylinder shafts of the other two groups of first cylinders 41 are provided with second push plates 43 capable of folding edges of the valve bag, the two second push plates 43 are provided with second cylinders 44 close to one side, the cylinder shafts of the second cylinders 44 are arranged along the axial direction of the turntable 3, the cylinder shafts of the second cylinders 44 are provided with press blocks 45, and the horizontal sections of the two first push plates 42 are jointly provided with through holes 46 for the press blocks 45 to pass through.

Referring to fig. 4, the hot pressing assembly 2 includes a third cylinder 21 located on the frame 1, a connecting seat 22 is installed on a cylinder shaft of the third cylinder 21, a cavity 27 is opened on one side of the connecting seat 22 away from the third cylinder 21, a heating wire 23 is installed in the cavity 27, a heat insulation plate 25 is fixedly connected to a side wall of the connecting seat 22, a circuit passes through the heat insulation plate 25 and is connected with the heating wire 23, a heat conduction plate 24 is installed at a mouth portion of the cavity 27, and a plurality of pressing strips 26 distributed in a staggered manner are arranged on one side of the.

The implementation principle of the embodiment is as follows: when the valve bag is sealed, the valve bag is sequentially sleeved on the supporting inner mold 33, the first driving motor 32 is adjusted, the driving shaft of the first driving motor 32 drives the rotary table 3 to rotate, the rotary table 3 drives the supporting inner mold 33 to rotate, the supporting inner mold 33 drives the valve bag to move until the valve bag is positioned under the hot pressing component 2, then the first air cylinder 41 connected with the first push plate 42 is adjusted, the first air cylinder 41 drives the first push plate 42 to move, the first push plate 42 turns over two sides of the valve bag, then the first air cylinder 41 connected with the second push plate 43 is adjusted, the first air cylinder 41 drives the second push plate 43 to move, the other two sides of the valve bag are turned over, the edge folding of the valve bag is realized, then the second air cylinder 44 is adjusted, the air cylinder shaft of the second air cylinder 44 drives the pressing block 45 to press the bottom of the bottom-attached flat bag 6, after the pressing is carried out for a period of time, the first air cylinder 41 and the second air cylinder 44, the first push plate 42 is separated from the second push plate 43 and the valve bag; adjusting a second driving motor 51, wherein a driving shaft of the second driving motor 51 drives a rotating roller 52 to rotate, the rotating roller 52 drives a conveying belt 53 to move, the conveying belt 53 drives a pressing roller 54 and an adjusting roller 55 to rotate, adjusting a third driving motor 561, a driving shaft of the third driving motor 561 drives a threaded rod 562 to rotate, the threaded rod 562 drives a guide block 564 to move along a guide groove 563, the guide block 564 drives the adjusting roller 55 to move, the adjusting roller 55 drives the conveying belt 53 to move, the conveying belt 53 drives the rotating roller 52 close to one side of the rack 1 to move, the rotating roller 52 drives a guide slider 571 to slide along a guide chute 57, a spring 59 is compressed, and the bottom-attached flat bag 6 on the conveying belt 53 falls on a valve bag; then adjust third cylinder 21, the cylinder shaft of third cylinder 21 drives connecting seat 22 to move, and connecting seat 22 drives heat-conducting plate 24 to move, and heat-conducting plate 24 drives layering 26 to move, and layering 26 carries out the hot pressing to the flat bag 6 of bottom of pasting and the valve bag bottom, realizes the hot bonding back cover of valve bag, then tears off the auxiliary adhesive layer.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a valve pocket production is with gluing end sealing machine with heat, includes support body (1) and is located hot pressing assembly (2) that just can bond valve pocket hot pressing on support body (1), its characterized in that, rotate on support body (1) and be connected with carousel (3), carousel (3) bottom is provided with the drive with one heart carousel (3) pivoted first driving motor (32), be provided with at least three group station (31) on carousel (3), whole station (31) are followed carousel (3) circumference direction evenly distributed, and each place support centre form (33) that can support the valve pocket on station (31), in hot pressing assembly (2) below be provided with be located can be to valve pocket bottom folding edge assembly (4) of turning over on support body (1), support body (1) one side is provided with support (7), install conveying assembly (5) on support (7), a bottom-attached flat bag (6) which can be attached to the bottom of the valve bag is arranged at the upper partition section of the conveying component (5).

2. The thermal bonding bottom sealing machine for producing the valve bag is characterized in that the conveying assembly (5) comprises two rotating rollers (52) positioned on the support (7), the two rotating rollers (52) are axially arranged in parallel, a conveying belt (53) is jointly wound on the two rotating rollers (52), an adjusting roller (55) is arranged below the rotating rollers (52), the adjusting roller (55) is axially arranged in parallel with the rotating rollers (52), the conveying belt (53) is wound on the adjusting roller (55) and the two groups of rotating rollers (52), two groups of pressing rollers (54) capable of pressing the belt surface of the conveying belt (53) are arranged between the adjusting roller (55) and the two groups of rotating rollers (52), a second driving motor (51) for driving the rotating rollers (52) to rotate is arranged on the rotating roller (52) far away from the frame body (1), the two ends of the rotating roller (52) close to the frame body (1) are rotatably connected with guide sliding blocks (571), the support (7) is provided with a guide sliding groove (57) for the guide sliding blocks (571) to slide, the guide sliding groove (57) is arranged along the length direction of the support (7), a spring (59) which enables the guide sliding blocks (571) to tend to move towards one side of the frame body (1) is arranged in the guide sliding groove (57), and the support (7) is further provided with a driving piece (56) which drives the adjusting roller (55) to lift.

3. The thermal bottom sealing machine for producing the valve bag according to claim 2, wherein a guide rod (58) is disposed in the guide chute (57), the guide rod (58) is disposed through the guide slider (571) and slidably connected to the guide slider (571), and the spring (59) is sleeved on the guide rod (58).

4. The hot-bonding bottom sealing machine for producing the valve bag is characterized in that the driving piece (56) comprises guide blocks (564) positioned at two ends of the adjusting roller (55), a guide groove (563) for sliding the guide blocks (564) is formed in the support (7), the guide groove (563) is arranged along the axial direction of the rotary disk (3), a threaded rod (562) positioned in the guide groove (563) is arranged through the support (7), the threaded rod (562) is in threaded connection with the guide blocks (564), the guide rod (58) is arranged along the length direction of the guide groove (563), and a third driving motor (561) is installed at the end of an extension section of the threaded rod (562) extending out of the support (7).

5. The thermal bonding bottom sealing machine for producing the valve bags according to claim 1, wherein the folding assembly (4) comprises four groups of first air cylinders (41) which are arranged on the frame body (1), the four groups of first air cylinders (41) are respectively arranged around the supporting inner die (33), the cylinder shafts of two groups of first air cylinders (41) which are arranged oppositely are provided with first push plates (42) capable of folding the valve bags, and the cylinder shafts of the other two groups of first air cylinders (41) are provided with second push plates (43) capable of folding the valve bags.

6. The thermal bonding bottom sealing machine for producing the valve bag is characterized in that a second air cylinder (44) is arranged on one side, close to each other, of the two second push plates (43), the air cylinder shaft of the second air cylinder (44) is arranged along the axial direction of the rotating disc (3), and a pressing block (45) is arranged on the air cylinder shaft of the second air cylinder (44).

7. The hot-bonding bottom sealing machine for producing the valve bag is characterized in that the cross section of the first push plate (42) is arranged in an L shape, the vertical section of the first push plate (42) is connected with the cylinder shaft of the first cylinder (41), and the horizontal sections of the two second push plates (43) are jointly provided with a through hole (46) for the pressing block (45) to pass through.

8. The bottom sealing machine for the hot bonding for the valve bag production according to claim 1, wherein the hot pressing assembly (2) comprises a third cylinder (21) located on the frame body (1), a connecting seat (22) is installed on a cylinder shaft of the third cylinder (21), a cavity (27) is opened on one side of the connecting seat (22) far away from the third cylinder (21), an electric heating wire (23) is installed in the cavity (27), a heat conducting plate (24) is installed at a mouth part of the cavity (27), and a plurality of pressing strips (26) distributed in a staggered manner are arranged on one side of the heat conducting plate (24) far away from the connecting seat (22).

9. The machine for thermally bonding and bottom-sealing the valve port bag for manufacturing according to claim 8, wherein a heat insulation plate (25) is disposed on a sidewall of the connecting seat (22), and a wire is connected to the heating wire (23) through the heat insulation plate (25).