Inner bag heat sealing machine

Abstract

The invention belongs to the field of heat sealing machines, and provides an inner package heat sealing machine which comprises a discharging mechanism, a first heat sealing mechanism and a second heat sealing mechanism, and the discharging mechanism comprises a hand expansion shaft, a plurality of tension rollers, a roller pair assembly, a cutting assembly and a first heat sealing assembly; a first conveyor belt; the sealing mechanism comprises an upper suction assembly, a lower suction assembly, an opening pressing assembly, a second heat sealing assembly and a vacuumizing assembly; the feeding mechanical arm comprises a first suction claw with the Y-axis moving direction and the Z-axis moving direction. The feeding mechanism comprises an opening and closing assembly, an X-axis assembly and a lifting assembly; the second conveying belt is arranged below the feeding mechanism and is used for receiving the packaging bags which are taken back by the opening and closing assembly and are filled with the materials; the inner bag heat sealing machine solves the problems that in the packaging and sealing process of an inner bag heat sealing machine in the prior art, wrinkles existing in a packaging bag cannot be effectively unfolded, the vacuum pumping effect is poor, and the production efficiency is low.

Description

Technical Field

[0001] The invention relates to the field of heat sealing machines, in particular to an inner package heat sealing machine. Background Art

[0002] With the continuous development of science and technology, tablet computers have great demand in the fields of education, media entertainment and business. In the production of tablet computers, in order to improve the quality, its accessories (frame, back cover, etc.) or the whole machine need to be vacuum packed when shipped. The existing technology will use an inner package heat sealer to package these accessories, but the existing inner package heat sealer cannot effectively unfold the wrinkles of the packaging bag itself during the packaging and sealing process, resulting in poor sealing effect and even air leakage; in the process of vacuuming the packaging bag, there will be problems such as incomplete extraction and even the inability of the vacuum end to effectively extend into the packaging bag; most of the existing equipment uses manual sealing operations one by one, which is not convenient for assembly line production, has low production efficiency, is not convenient for mass production, has high labor intensity, and is not convenient for realizing flow-type sealing of multiple packaging bags. . Summary of the invention

[0003] In view of the above technical problems, the present invention provides an inner package heat sealing machine to solve the problems in the prior art that the wrinkles on the packaging bag itself cannot be effectively unfolded, the vacuum extraction effect is poor, and the production efficiency is low during the packaging and sealing process.

[0004] Other features and advantages of the present disclosure will become apparent from the following detailed description, or may be learned in part by the practice of the present disclosure.

[0005] The present invention discloses an inner package heat sealing machine, which comprises:

[0006] A material discharging mechanism, the material discharging mechanism comprising a hand-inflated shaft, a plurality of tension rollers, a pair of roller assemblies, a cutting assembly and a first heat-sealing assembly, the hand-inflated shaft being used to mount a material roll, the material strip of the material roll passing through the plurality of tension rollers, the pair of roller assemblies, the cutting assembly and the heat-sealing assembly in sequence when discharging, the pair of roller assemblies comprising two parallel rollers installed up and down, the cutting assembly being used to cut the material strip, and the heat-sealing assembly being used to heat-seal the port of the cut portion of the material strip to form a packaging bag;

[0007] a first conveyor belt, wherein an inlet end of the first conveyor belt is arranged at an outlet of the discharge mechanism;

[0008] A sealing mechanism, the sealing mechanism is arranged at the outlet end of the first conveyor belt, and comprises an upper suction component, a lower suction component, a pressure component, a second heat sealing component, and a vacuum component. The upper suction component is used to suck the upper layer of the packaging bag and drive it to rise, the lower suction component is used to absorb the lower layer of the packaging bag, the vacuum component comprises a suction nozzle with X-axis and Z-axis moving directions, the suction nozzle is used to extend into the packaging bag opened by the upper suction component and the lower suction component to perform vacuum extraction, the pressure component is used to press one end of the vacuumized packaging bag below it, and the second heat sealing component is used to heat-seal one end of the compressed packaging bag;

[0009] A feeding robot, the feeding robot comprising a first suction claw with Y-axis and Z-axis movement directions, the first suction claw being used to grab materials;

[0010] A feeding mechanism, the feeding mechanism includes an opening and closing component, an X-axis component, and a lifting component, the lifting component is used to drive the opening and closing component to rise and fall, the opening and closing component includes two plug boards, and a same-opening and same-closing module group that drives the two plug boards to open and close, the first suction claw sucks the material and places the material on the two plug boards, the X-axis component is used to drive the opening and closing component to translate along the X-axis so that the material is inserted into the packaging bag in front of it, and after the sealing mechanism heat-seals the packaging bag containing the material, the opening and closing component, driven by the X-axis component, takes away the packaging bag containing the material;

[0011] A second conveyor belt is disposed below the feeding mechanism and is used to receive the packaging bag containing materials retrieved by the opening and closing assembly.

[0012] Furthermore, the roller assembly also includes a first motor, and the material discharging mechanism also includes two enclosures. The two ends of the two parallel rollers are installed between the two enclosures through bearing seats. The two ends of the two parallel rollers in the same direction are both installed with a first gear. The two first gears are mutually transmitted through multiple second gears. The first motor drives one of the first gears to rotate through a belt. The bearing seats at both ends of the upper parallel rollers are connected to an adjustment frame through a spring. The adjustment frame includes a fixed bar, a bolt, and a moving bar. The fixed bar is fixed to the enclosure. The bolt passes through the fixed bar and is threadedly connected to the fixed bar. The bottom of the bolt is fixed to the moving bar, and the moving bar is connected to the spring. When the bolt is turned, the gap between the upper and lower parallel rollers can be adjusted, so that different types of material strips can be adapted. The two parallel rollers rotate under the drive of the first motor, belt, and gear, driving the material strip to move forward to the top of the cutting assembly to ensure that the two layers of film of the material strip will not loosen during cutting.

[0013] Furthermore, the second heat sealing assembly includes a first heating rod and a first Z-axis cylinder for driving the first heating rod to rise and fall, the pressing assembly includes a first mounting plate, a pressure strip disposed below the first mounting plate, and two second Z-axis cylinders disposed at both ends of the first mounting plate for driving the first mounting plate to rise and fall, the first Z-axis cylinder is mounted on the first mounting plate, the upper suction assembly includes a suction strip, a first X-axis cylinder for driving the suction strip to move horizontally, and a third Z-axis cylinder for driving the suction strip to rise and fall, a second mounting plate is disposed above the first mounting plate, and the third Z-axis cylinder is mounted on one side of the second mounting plate. The pressure strip and the first heating rod can both rise and fall with the rise and fall of the first mounting plate, which can improve the coordination of the movements and reduce the difficulty of programming; the suction strip, driven by the third Z-axis cylinder and the first X-axis cylinder, can realize the movements of descending, moving forward, and sucking the bag mouth of the packaging bag and then opening it.

[0014] Furthermore, the sealing mechanism also includes two bag opening components, which are arranged at both ends of the third mounting plate, and include a special-shaped plug-in, a second X-axis cylinder that drives the special-shaped plug-in to translate, one side of the second X-axis cylinder is connected to a slide, the bottom of the slide is connected to a rack, and a second motor is installed at the bottom of the third mounting plate, and the driving end of the second motor is engaged with the rack. When the second motor rotates, it drives the rack to move along the Y axis, so that the second X-axis cylinder moves along the Y axis. Based on the setting of the bag opening component, it can be ensured that the bag mouth of the packaging bag can be fully opened and the material can be fully inserted into the packaging bag.

[0015] Furthermore, the sealing mechanism also includes a lifting component, which is arranged on the side of the sealing mechanism facing the discharge mechanism, and includes a plurality of lifting columns driving a fourth Z-axis cylinder for lifting the plurality of lifting columns. Based on the arrangement of the lifting component, the material inserted into the packaging bag can be lifted, and it can be ensured that the plug plate in the opening and closing component of the feeding mechanism can be inserted under the packaging bag, and the packaging bag can be caught and removed.

[0016] Further, in the vacuum pumping assembly, the suction nozzle is driven by the fifth Z-axis cylinder and the third X-axis cylinder.

[0017] Furthermore, the inner package heat sealing machine also includes a feeding conveyor belt, which is used to convey the material to the bottom of the first suction claw of the feeding robot.

[0018] Furthermore, the inner package heat sealing machine also includes a material unloading robot, which is arranged above the feeding mechanism and includes a second suction claw having Y-axis and Z-axis moving directions, and the second suction claw is used to grab the packaging bag containing the material on the second conveyor belt.

[0019] Furthermore, the first suction claw and the second suction claw are both connected to a rotating cylinder.

[0020] Furthermore, the suction nozzle is in the shape of a flat thin strip, which can ensure that the suction nozzle can be fully inserted into the packaging bag.

[0021] The technical solution disclosed in this disclosure has the following beneficial effects:

[0022] Based on the automated coordination of the discharge mechanism, the sealing mechanism and the feeding mechanism, the heat-sealed vacuum packaging of the materials can be realized efficiently and quickly, greatly improving the productivity; based on the upper suction component, the lower suction component, the pressure component, the second heat-sealing component and the vacuum assembly in the sealing mechanism, the wrinkles of the packaging bags during the vacuum heat-sealing of the bags can be greatly reduced, the flatness of the packaging can be improved, the later air leakage can be avoided, and the product quality can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of an inner package heat sealing machine in an embodiment of this specification;

[0024] Figure 2 A top view of an inner package heat sealing machine in an embodiment of this specification;

[0025] Figure 3 It is a partial structural schematic diagram of an inner package heat sealing machine in an embodiment of this specification;

[0026] Figure 4 It is a structural schematic diagram of the material discharging mechanism in the embodiment of this specification;

[0027] Figure 5 It is a partial structural schematic diagram of the material discharging mechanism in the embodiment of this specification;

[0028] Figure 6 It is a partial structural schematic diagram of the material discharging mechanism in the embodiment of this specification;

[0029] Figure 7 It is a structural schematic diagram of the sealing mechanism in the embodiment of this specification;

[0030] Figure 8 It is a structural schematic diagram of the sealing mechanism in the embodiment of this specification;

[0031] Fig. 9 It is a structural schematic diagram of the sealing mechanism in the embodiment of this specification;

[0032] Fig.10 It is a structural schematic diagram of the material discharging mechanism in the embodiment of this specification;

[0033] Fig.11 It is a structural schematic diagram of a loading robot in an embodiment of this specification;

[0034] Fig.12 It is a structural schematic diagram of the unloading robot in the embodiment of this specification;

[0035] Fig.13 It is a schematic diagram of the structure of the second conveyor belt in the embodiment of this specification.

[0036] Wherein, the accompanying drawings are described as follows:

[0037] 1. Material discharge mechanism; 11. Hand-inflated shaft; 12. Roller assembly; 121. Parallel roller; 122. First motor; 123. Bearing seat; 124. First gear; 125. Second gear; 126. Belt; 127. Spring; 128. Bolt; 129. Fixed bar; 1210. Moving bar; 13. Cutting assembly; 14. First heat sealing assembly; 15. Tension roller; 16. Enclosure;

[0038] 2. The first conveyor belt;

[0039] 3. Sealing mechanism; 31. Upper suction assembly; 311. Suction strip; 312. First X-axis cylinder; 313. Third Z-axis cylinder; 314. Second mounting plate; 32. Lower suction assembly; 33. Pressing assembly; 331. First mounting plate; 332. Pressing strip; 333. Second Z-axis cylinder; 34. Second heat sealing assembly; 341. First heating rod; 342. First Z-axis cylinder; 35. Vacuuming assembly; 351. Suction nozzle; 352. Third X-axis cylinder; 353. Fifth Z-axis cylinder; 36. Bag opening assembly; 361. Special-shaped plug-in; 362. Second X-axis cylinder; 363. Slide plate; 364. Rack; 365. Second motor; 366. Third mounting plate; 37. Lifting assembly; 371. Lifting column; 372. Fourth Z-axis cylinder;

[0040] 4. Loading robot; 41. First suction claw; 42. Rotating cylinder;

[0041] 5. Feeding mechanism; 51. Opening and closing assembly; 511. Insertion plate; 512. Opening and closing die set; 52. X-axis assembly; 53. Lifting assembly;

[0042] 6. Second conveyor belt;

[0043] 7. Unloading robot; 71. Second suction claw;

[0044] 8. Loading conveyor belt. DETAILED DESCRIPTION

[0045] Example embodiments will now be described more fully with reference to the accompanying drawings.

[0046] The accompanying drawings are only schematic illustrations of the present disclosure. The same reference numerals in the drawings represent the same or similar parts, and thus their repeated description will be omitted. It is understood that the proportions of the various components in the drawings do not constitute limitations of the present disclosure.

[0047] like Figure 1-13 As shown, the embodiment of this specification provides an inner package heat sealing machine, and the inner package heat sealing machine includes:

[0048] The material discharging mechanism 1 includes a hand-inflating shaft 11, a plurality of tension rollers 15, a pair of roller assemblies 12, a cutting assembly 13 and a first heat-sealing assembly 14. The hand-inflating shaft 11 is used to install the material roll. The material strip of the material roll passes through the plurality of tension rollers 15, the pair of roller assemblies 12, the cutting assembly 13 and the heat-sealing assembly in sequence when discharging. The pair of roller assemblies 12 include two parallel rollers 121 installed up and down. The cutting assembly 13 is used to cut the material strip. The heat-sealing assembly is used to heat-seal the port of the cut portion of the material strip to form a packaging bag.

[0049] A first conveyor belt 2, wherein an inlet end of the first conveyor belt 2 is arranged at an outlet of the unloading mechanism 1;

[0050] The sealing mechanism 3 is arranged at the outlet end of the first conveyor belt 2, and comprises an upper suction component 31, a lower suction component 32, a pressure component 33, a second heat sealing component 34, and a vacuum component 35. The upper suction component 31 is used to suck the upper layer of the packaging bag and drive it to rise, the lower suction component 32 is used to suck the lower layer of the packaging bag, the vacuum component 35 comprises a suction nozzle 351 with X-axis and Z-axis moving directions, the suction nozzle 351 is used to extend into the packaging bag opened by the upper suction component 31 and the lower suction component 32 to perform vacuum extraction, the pressure component 33 is used to press one end of the vacuumized packaging bag below it, and the second heat sealing component 34 is used to heat-seal one end of the compressed packaging bag;

[0051] The feeding robot 4 includes a first suction claw 41 with Y-axis and Z-axis movement directions, and the first suction claw 41 is used to grab materials;

[0052] The feeding mechanism 5 includes an opening and closing component 51, an X-axis component 52, and a lifting component 53. The lifting component 53 is used to drive the opening and closing component 51 to rise and fall. The opening and closing component 51 includes two plug plates 511 and a co-opening and co-closing module 512 for driving the two plug plates 511 to open and close. The first suction claw 41 sucks the material and places the material on the two plug plates 511. The X-axis component 52 is used to drive the opening and closing component 51 to translate along the X-axis so that the material is inserted into the packaging bag in front of it. After the sealing mechanism 3 heat-seals the packaging bag containing the material, the opening and closing component 51 takes away the packaging bag containing the material under the drive of the X-axis component 52;

[0053] The second conveyor belt 6 is arranged below the feeding mechanism 5 and is used to receive the packaging bag containing materials retrieved by the opening and closing component 51 .

[0054] In one embodiment, the roller assembly 12 also includes a first motor 122, and the discharge mechanism 1 also includes two enclosures 16. The two ends of the two parallel rollers 121 are installed between the two enclosures 16 through bearing seats 123. The same direction ends of the two parallel rollers 121 are both installed with a first gear 124. The two first gears 124 are mutually transmitted through multiple second gears 125. The first motor 122 drives one of the first gears 124 to rotate through a belt 126. The bearing seats 123 at both ends of the upper parallel roller 121 are connected to an adjustment frame through a spring 127. The adjustment frame includes a fixed bar 129, a bolt 128, and a moving bar 1210. The fixed bar 129 is fixed to the enclosure 16, the bolt 128 passes through the fixed bar 129 and is threadedly connected to the fixed bar 129, the bottom of the bolt 128 is fixed to the moving bar 1210, and the moving bar 1210 is connected to the spring 127. When the bolt 128 is turned, the gap between the upper and lower parallel rollers 121 can be adjusted to adapt to different types of material strips; the two parallel rollers 121 rotate under the drive of the first motor 122, the belt 126, and the gears, driving the material strip to move forward to the top of the cutting component 13, ensuring that the two layers of film of the material strip will not loosen during cutting.

[0055] In one embodiment, the second heat sealing component 34 includes a first heating rod 341 and a first Z-axis cylinder 342 for driving the first heating rod 341 to rise and fall. The pressing component 33 includes a first mounting plate 331, a pressure strip 332 arranged below the first mounting plate 331, and two second Z-axis cylinders 333 respectively arranged at both ends of the first mounting plate 331 for driving the first mounting plate 331 to rise and fall. The first Z-axis cylinder 342 is installed on the first mounting plate 331. The upper suction component 31 includes a suction strip 311, a first X-axis cylinder 312 for driving the suction strip 311 to move horizontally, and a third Z-axis cylinder 313 for driving the suction strip 311 to rise and fall. A second mounting plate 314 is arranged above the first mounting plate 331, and the third Z-axis cylinder 313 is installed on one side of the second mounting plate 314. The pressure strip 332 and the first heating rod 341 can both rise and fall with the first mounting plate 331, which can improve the coordination of movements and reduce the difficulty of programming; the suction strip 311, driven by the third Z-axis cylinder 313 and the first X-axis cylinder 312, can realize the movements of descending, moving forward, sucking the bag mouth of the packaging bag and then opening it.

[0056] In one embodiment, the sealing mechanism 3 further includes two bag opening components 36, which are arranged at both ends of the third mounting plate 366, and include a special-shaped plug-in 361, a second X-axis cylinder 362 for driving the special-shaped plug-in 361 to translate, one side of the second X-axis cylinder 362 is connected to a slide plate 363, the bottom of the slide plate 363 is connected to a rack 364, and a second motor 365 is installed at the bottom of the third mounting plate 366, and the driving end of the second motor 365 is meshed with the rack 364. When the second motor 365 rotates, it drives the rack 364 to move along the Y axis, so that the second X-axis cylinder 362 moves along the Y axis. Based on the arrangement of the bag opening component 36, it can ensure that the bag mouth of the packaging bag can be fully opened and the material can be fully inserted into the packaging bag.

[0057] In one embodiment, the sealing mechanism 3 further includes a lifting assembly 37, which is disposed on the side of the sealing mechanism 3 facing the discharging mechanism 1, and includes a plurality of lifting columns 371 driving a fourth Z-axis cylinder 372 for lifting and lowering the plurality of lifting columns 371. Based on the configuration of the lifting assembly 37, the material inserted into the packaging bag can be lifted, and it can be ensured that the insert plate 511 in the opening and closing assembly 51 of the feeding mechanism 5 can be inserted under the packaging bag, and the packaging bag is received and then removed.

[0058] In one embodiment, in the vacuum assembly 35 , the suction nozzle 351 is driven by the fifth Z-axis cylinder 353 and the third X-axis cylinder 352 .

[0059] In one embodiment, the inner package heat sealing machine further includes a feeding conveyor belt 8 , which is used to convey the material to the bottom of the first suction claw 41 of the feeding robot 4 .

[0060] In one embodiment, the inner bag heat sealing machine further includes a material unloading robot 7, which is disposed above the feeding mechanism 5 and includes a second suction claw 71 with Y-axis and Z-axis movement directions, and the second suction claw 71 is used to grab the packaging bag containing the material on the second conveyor belt 6. The first suction claw 41 and the second suction claw 71 are both connected to a rotating cylinder 42.

[0061] In one embodiment, the suction nozzle 351 is in the shape of a flat thin strip. The flat thin strip-shaped suction nozzle 351 can ensure that it can be fully inserted into the packaging bag.

[0062] The following summarizes the working process of the inner package heat sealing machine in combination with all the above embodiments:

[0063] 1. Manually insert the barreled roll into the hand-inflated shaft 11, and the barreled roll is automatically bagged. The tension control system of the material belt is controlled by the tension roller 15, magnetic powder brake, roller tension spring and gravity. The material belt of the packaging bag moves forward along the set direction, the first heat sealing component 14 heat seals the end of the packaging bag, and the cutting component 13 separates a group of packaging bags. The cutting component 13 can specifically include a cutter and a cylinder that drives the cutter to move horizontally. Under normal conditions, the cutter is hidden on one side and is not connected to the packaging bag. When cutting is needed, the cylinder drives the cutter to move horizontally to cut out the packaging bag. .

[0064] 2. Manually place a neat stack of materials on the feeding conveyor belt 8, the materials flow along the feeding conveyor belt 8 to the end, and the feeding robot 4 takes the materials away.

[0065] 3. The packaging bag flows to the sealing mechanism 3 along the first conveyor belt 2, and the upper suction component 31 and the lower suction component 32 respectively suck the upper and lower sides of the bag to make the bag open up and down, and the left and right bag opening components 36 open the two sides of the bag opening; the feeding robot 4 clamps the material positioned on the feeding conveyor belt 8 and places it on the plug plate 511 of the opening and closing component 51 of the feeding mechanism 5. The plug plate 511 has an L-shaped cross-section, which can clamp the material under the drive of the opening and closing module 512, and then send it to the inside of the opened packaging bag. After the material is put down, the plug plate 511 is pulled out; then the suction nozzle 351 of the vacuum component 35 is inserted into the packaging bag, and the upper suction component 31 drops the upper bag with the cylinder and breaks the vacuum, the pressure component 33 descends to press the front end of the packaging bag, the vacuum component 35 evacuates and seals the packaging bag, and after there is no air in the bag, the suction nozzle 351 of the vacuum component 35 is pulled out, and the second heat sealing component 34 descends to heat-seal the bag opening.

[0066] 4. The feeding mechanism 5 takes the packaged product and puts it on the second conveyor bag. The product flows to the end along the second conveyor belt 6. The unloading robot 7 absorbs the positioned product on the second conveyor belt 6 and puts it on the next station.

[0067] The technical solution disclosed in this disclosure has the following beneficial effects:

[0068] Based on the automated coordination of the discharge mechanism 1, the sealing mechanism 3 and the feeding mechanism 5, the heat-sealed vacuum packaging of the materials can be realized efficiently and quickly, thereby greatly improving productivity; based on the upper suction component 31, the lower suction component 32, the pressure component 33, the second heat-sealing component 34 and the vacuum assembly 35 in the sealing mechanism 3, the wrinkles of the packaging bag during the vacuum heat-sealing of the bag can be greatly reduced, the flatness of the packaging can be improved, air leakage in the later stage can be avoided, and the product quality can be improved.

[0069] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary technical means in the art that are not disclosed in the present disclosure.

Claims

1. An inner package heat sealing machine, characterized in that: The inner package heat sealing machine comprises: A material discharging mechanism, the material discharging mechanism comprising a hand-inflated shaft, a plurality of tension rollers, a pair of roller assemblies, a cutting assembly and a first heat-sealing assembly, the hand-inflated shaft being used to mount a material roll, the material strip of the material roll passing through the plurality of tension rollers, the pair of roller assemblies, the cutting assembly and the heat-sealing assembly in sequence when discharging, the pair of roller assemblies comprising two parallel rollers installed up and down, the cutting assembly being used to cut the material strip, and the heat-sealing assembly being used to heat-seal the port of the cut portion of the material strip to form a packaging bag; a first conveyor belt, wherein an inlet end of the first conveyor belt is arranged at an outlet of the discharge mechanism; A sealing mechanism, the sealing mechanism is arranged at the outlet end of the first conveyor belt, and comprises an upper suction component, a lower suction component, a pressure component, a second heat sealing component, and a vacuum component. The upper suction component is used to suck the upper layer of the packaging bag and drive it to rise, the lower suction component is used to absorb the lower layer of the packaging bag, the vacuum component comprises a suction nozzle with X-axis and Z-axis moving directions, the suction nozzle is used to extend into the packaging bag opened by the upper suction component and the lower suction component to perform vacuum extraction, the pressure component is used to press one end of the vacuumized packaging bag below it, and the second heat sealing component is used to heat-seal one end of the compressed packaging bag; A feeding robot, the feeding robot comprising a first suction claw with Y-axis and Z-axis movement directions, the first suction claw being used to grab materials; A feeding mechanism, the feeding mechanism includes an opening and closing component, an X-axis component, and a lifting component, the lifting component is used to drive the opening and closing component to rise and fall, the opening and closing component includes two plug boards, and a same-opening and same-closing module group that drives the two plug boards to open and close, the first suction claw sucks the material and places the material on the two plug boards, the X-axis component is used to drive the opening and closing component to translate along the X-axis so that the material is inserted into the packaging bag in front of it, and after the sealing mechanism heat-seals the packaging bag containing the material, the opening and closing component, driven by the X-axis component, takes away the packaging bag containing the material; A second conveyor belt is disposed below the feeding mechanism and is used to receive the packaging bag containing materials retrieved by the opening and closing assembly.

2. The inner package heat sealing machine according to claim 1, characterized in that: The pair of rollers assembly also includes a first motor, and the discharging mechanism also includes two enclosures. The two ends of the two parallel rollers are installed between the two enclosures through bearing seats. A first gear is installed at one end in the same direction of the two parallel rollers, and the two first gears are mutually transmitted through multiple second gears. The first motor drives one of the first gears to rotate through a belt, and the bearing seats at both ends of the parallel rollers located at the upper position are connected to an adjustment frame through springs. The adjustment frame includes a fixing bar, a bolt, and a moving bar. The fixing bar is fixed to the enclosure, the bolt passes through the fixing bar and is threadedly connected to the fixing bar, the bottom of the bolt is fixed to the moving bar, and the moving bar is connected to the spring.

3. The inner package heat sealing machine according to claim 1, characterized in that: The second heat sealing assembly includes a first heating rod and a first Z-axis cylinder for driving the first heating rod to rise and fall, the pressing assembly includes a first mounting plate, a pressure strip arranged below the first mounting plate, and two second Z-axis cylinders respectively arranged at both ends of the first mounting plate for driving the first mounting plate to rise and fall, the first Z-axis cylinder is installed on the first mounting plate, the upper suction assembly includes a suction strip, a first X-axis cylinder for driving the suction strip to translate, and a third Z-axis cylinder for driving the suction strip to rise and fall, a second mounting plate is arranged above the first mounting plate, and the third Z-axis cylinder is installed on one side of the second mounting plate.

4. The inner package heat sealing machine according to claim 1, characterized in that: The sealing mechanism also includes two bag opening components, which are arranged at both ends of the third mounting plate, and include a special-shaped plug-in and a second X-axis cylinder that drives the special-shaped plug-in to translate. One side of the second X-axis cylinder is connected to a slide plate, and the bottom of the slide plate is connected to a rack. A second motor is installed at the bottom of the third mounting plate, and the driving end of the second motor is engaged with the rack. When the second motor rotates, it drives the rack to move along the Y axis, so that the second X-axis cylinder moves along the Y axis.

5. The inner package heat sealing machine according to claim 1, characterized in that: The sealing mechanism further comprises a lifting assembly, which is arranged on a side of the sealing mechanism facing the material discharging mechanism, and comprises a fourth Z-axis cylinder for driving a plurality of lifting columns to lift and lower the plurality of lifting columns.

6. The inner package heat sealing machine according to claim 1, characterized in that: In the vacuum pumping assembly, the suction nozzle is driven by the fifth Z-axis cylinder and the third X-axis cylinder.

7. The inner package heat sealing machine according to claim 1, characterized in that: The inner package heat sealing machine also includes a feeding conveyor belt, which is used to convey materials to the bottom of the first suction claw of the feeding robot.

8. The inner package heat sealing machine according to claim 1, characterized in that: The inner package heat sealing machine also includes a material unloading robot, which is arranged above the feeding mechanism and includes a second suction claw with Y-axis and Z-axis moving directions, and the second suction claw is used to grab the packaging bag containing materials on the second conveyor belt.

9. The inner package heat sealing machine according to claim 8, characterized in that: The first suction claw and the second suction claw are both connected to a rotating cylinder.

10. The inner package heat sealing machine according to claim 1, characterized in that: The suction nozzle is in a flat and thin strip shape.

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