CN112297520B - Apparatus and method for producing valveless high-pressure buffer air cushion product - Google Patents

Apparatus and method for producing valveless high-pressure buffer air cushion product Download PDF

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Publication number
CN112297520B
CN112297520B CN202011189892.6A CN202011189892A CN112297520B CN 112297520 B CN112297520 B CN 112297520B CN 202011189892 A CN202011189892 A CN 202011189892A CN 112297520 B CN112297520 B CN 112297520B
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air
valveless
buffer
air cushion
block
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CN112297520A (en
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司匡书
李渊
房晓文
胡龙维
阙银龙
张敏
黄欣
郝成
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Hangzhou Bing Jia Technology Co ltd
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Hangzhou Bing Jia Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/0065—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including slitting and expanding flat material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0058—Cutting; Individualising the final products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0076—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads involving particular machinery details
    • B31D2205/0082—General layout of the machinery or relative arrangement of its subunits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Buffer Packaging (AREA)

Abstract

The invention discloses a device and a method for producing a valveless high-pressure buffer air cushion product. The invention adopts the buffering raw material without the one-way valve, the formed buffering air cushion product can be used for buffering heavier and fragile objects, and has better protection effect, the use cost of the buffering air cushion product is saved, the problem that the high-pressure gas cannot be filled into the buffering raw material without the one-way valve is solved, the high-pressure gas can be filled into the buffering raw material without the valve, the application range of the existing buffering air cushion finished product is expanded, the buffering raw material without the one-way valve can be replaced for the buffering product with the one-way valve on the market, the cost of using the buffering material by a client is reduced, and higher use value is brought to the client.

Description

Apparatus and method for producing valveless high-pressure buffer air cushion product
Technical Field
The invention relates to a device and a method for producing a valveless high-pressure buffer air cushion product.
Background
To protect the articles from damage during transport, cushioning products are often used to wrap the articles.
CN110127419A provides an inflator for inflating buffering raw materials with a one-way valve, and the manufactured buffering air cushion product has higher air pressure, can buffer fragile articles, such as bottled goods like red wine, fragile handicraft articles, fragile electronic products and the like, and can also buffer heavier products; the product of the buffer air cushion does not need heat sealing after high-pressure gas is flushed into the gas column bag, and the gas cannot be reversely leaked, so that sealing is realized, the gas is locked in the gas column, and due to the fact that heat sealing is not needed, only a compressed air source is needed, manual charging can be achieved, automatic charging of equipment can be achieved, and requirements on the equipment are low.
The technical scheme provided by CN110127419A adopts a buffering raw material with a one-way valve, and the buffering raw material has the following disadvantages:
(1) the one-way valve area adopts three layers of films, so that more materials are used, and the materials are wasted;
(2) the material of one of the films is different from that of the other parts, so that the films cannot be uniformly recycled;
(3) the one-way valve structure can slowly leak air after being placed for a long time, and the air pressure can be reduced by about 60% after three months, so that the internal air pressure is insufficient;
(4) the structure of the one-way valve has complex manufacturing process and high cost.
US9266300B2 provides an air cushion machine which requires sealing after inflation, and which is characterized in that heat sealing is required to prevent air from escaping after inflation.
The technical solution provided by US9266300B2 has the following disadvantages:
(1) the air pressure of the buffer air cushion product is low (< 0.13Mpa), which is easy to cause damage to the heavier fragile objects, as shown in figure 1, a is the buffer air cushion product with low air pressure, and b is the heavier fragile object;
(2) the usable buffer raw material is single in specification and type.
Under complicated commodity circulation environment, can the buffer protection heavier, fragile article, make the cushion air cushion product have higher atmospheric pressure, guarantee simultaneously to aerify evenly, do not have gas leakage, difficult damaged and low in production cost's cushion air cushion product when receiving the extrusion urgent appearance.
Disclosure of Invention
The invention aims to provide a device and a method for producing a valveless high-pressure buffer air cushion product.
According to one aspect of the present invention, there is provided an apparatus for producing a valveless high-pressure cushion product, comprising a gas barrier device, an inflation device and a heat seal device,
the air charging device is used for blowing compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion,
the air blocking device is used for blocking an inflation channel of the raw material of the valveless buffer air cushion and blocking the air flow in the inflation channel from leaking,
the heat sealing device is used for heat sealing the air inlet of the inflated raw material of the valveless buffer air cushion to seal the air into the air cavity of the raw material of the valveless buffer air cushion,
the air blocking device is arranged on the air charging device, and the heat sealing device is arranged outside the air charging device.
The invention relates to a device for producing a valveless high-pressure buffer air cushion product, which adopts buffer raw materials without a one-way valve, namely valveless buffer air cushion raw materials, wherein an inflating device can blow compressed air with the pressure of more than 0.13MPa into the valveless buffer air cushion raw materials, in order to ensure that the air pressure in the valveless buffer air cushion raw materials is enough in the blowing process and avoid air leakage before heat sealing, an air blocking device can block an inflating channel of the valveless buffer air cushion raw materials and prevent air flow blown out by the inflating device from leaking out of the inflating channel of the valveless buffer air cushion raw materials to reduce the inflating air pressure, when the valveless buffer air cushion raw materials filled with enough air move to a heat sealing device, the heat sealing device carries out heat sealing on an air inlet of the inflated valveless buffer air cushion raw materials, the heat sealing device leads the upper layer and the lower layer of the air inlet to be hot-melted through high temperature to generate heat sealing edges and seal the air into an air cavity of the valveless buffer air cushion raw materials, the technical scheme of the invention solves the problem that high-pressure gas (more than or equal to 0.13MPa) cannot be filled into the buffer raw material without the check valve, realizes the filling of high-pressure gas (more than or equal to 0.13MPa) into the raw material of the valveless buffer air cushion, expands the application range of the existing buffer air cushion finished product, improves the production efficiency of the buffer air cushion product, can replace the buffer product with the check valve on the market, reduces the cost of using the buffer material by a client, and brings higher use value to the client.
In some embodiments, the choke device may include an upstream choke device and a downstream choke device, the blow hole of the inflator being located between the upstream choke device and the downstream choke device, and the heat seal device being provided outside the inflator and the downstream choke device. Therefore, the upstream air blocking device is positioned at the upstream position of the air blowing hole of the air charging device, the downstream air blocking device is positioned at the downstream position of the air blowing hole of the air charging device, in the process that the air charging device blows air into the valveless buffer air cushion raw material, the air flow can run along the air charging channel of the valveless buffer air cushion raw material in the front-back direction, the upstream air blocking device and the downstream air blocking device can seal two ends of the air charging channel of the valveless buffer air cushion raw material, the air flow blown out by the air charging device is blocked to be discharged from the front-back two directions of the air charging channel of the valveless buffer air cushion raw material, so that the air charging pressure is reduced, the air pressure in the valveless buffer air cushion raw material is ensured to be sufficiently large in the air blowing process, the air leakage before the heat sealing is avoided, the heat sealing device is positioned at the outer side of the air charging device and the downstream air blocking device, so that the air cavity is still positioned between the upstream air blocking device and the downstream air blocking device, ensuring that the air pressure inside the air chamber is sufficiently high when heat-sealed.
In some embodiments, the upstream choke device may include an upper choke wheel a and a lower choke wheel a, which abut against each other, with a choke groove a provided therebetween, in which an inflation rod of the inflation device is inserted, and the downstream choke device may include an upper choke wheel B and a lower choke wheel B, which abut against each other, with a choke groove B provided therebetween, in which the inflation rod of the inflation device is inserted. Therefore, the inflation rod of the inflation device is inserted into the air blocking groove A and the air blocking groove B in a penetrating mode, the valveless buffer air cushion raw materials at the air blocking groove A and the air blocking groove B can be ensured to be in close contact with the inflation rod of the inflation device, air flow in the inflation channel of the valveless buffer air cushion raw materials is prevented from leaking to the front direction and the rear direction of the inflation channel, the air pressure in the valveless buffer air cushion raw materials is ensured to be large enough in the air blowing process, and air leakage before heat sealing is avoided.
In some embodiments, the upstream air blocking device may be an upstream air blocking block in which an air bar of the inflator is inserted, a side portion of the upstream air blocking block being provided with an opening a through which the valveless buffer air cushion material passes, and the downstream air blocking device may be a downstream air blocking block in which the air bar of the inflator is inserted, a side portion of the downstream air blocking block being provided with an opening B through which the valveless buffer air cushion material passes. Therefore, the inflation rod of the inflation device is inserted into the upstream air blocking block and the downstream air blocking block, so that the valveless buffer air cushion raw material at the upstream air blocking block and the downstream air blocking block is ensured to be in close contact with the inflation rod of the inflation device, the air flow in the inflation channel of the valveless buffer air cushion raw material is prevented from leaking air to the front direction and the rear direction of the inflation channel, the air pressure in the valveless buffer air cushion raw material is ensured to be large enough in the air blowing process, and the air leakage before heat sealing is avoided.
In some embodiments, the upstream air blocking device may be an upper pressing block a and a lower pressing block a, the upper pressing block a and the lower pressing block a are arranged up and down and abut against each other, an insertion groove a through which an inflation rod of the inflation device passes is provided between the upper pressing block a and the lower pressing block a, the downstream air blocking device may be an upper pressing block B and a lower pressing block B, the upper pressing block B and the lower pressing block B are arranged up and down and abut against each other, and an insertion groove B through which the inflation rod of the inflation device passes is provided between the upper pressing block B and the lower pressing block B. From this, aerating device's inflation pole alternate in slot A and alternate groove B, can ensure to alternate the valve-free buffering air cushion raw materials and aerating device's inflation pole in close contact with of groove A and alternate groove B department, prevent that the air current in the inflation channel of valve-free buffering air cushion raw materials is lost air to inflation channel's two directions in the front and back, guarantee the in-process of blowing, the atmospheric pressure in the valve-free buffering air cushion raw materials is enough big, avoids producing gas leakage before the heat-seal.
In some embodiments, the upstream choke device may include an upper choke wheel a and a lower press block a, which are arranged up and down and abut against each other, an insertion groove C through which an inflation rod of the inflator passes is provided between the upper choke wheel a and the lower press block a, and the downstream choke device may include an upper choke wheel B and a lower press block B, which are arranged up and down and abut against each other, and an insertion groove D through which the inflation rod of the inflator passes is provided between the upper choke wheel B and the lower press block B. From this, aerating device's inflation pole alternate in slot C and alternate groove D, can ensure to alternate the no valve buffering air cushion raw materials of groove C and alternate groove D department and aerating device's inflation pole in close contact with, prevent that the air current in the inflation channel of no valve buffering air cushion raw materials is lost air to inflation channel's two directions in the front and back, guarantee the in-process of blowing, the atmospheric pressure in the no valve buffering air cushion raw materials is enough big, avoids producing gas leakage before the heat-seal.
In some embodiments, the upstream choke device may include an upper choke wheel a and a lower choke wheel a, which abut together, with a choke groove a provided therebetween, in which an inflation rod of the inflation device is inserted, and the downstream choke device may be a downstream choke block in which the inflation rod of the inflation device is inserted, and a side portion of the downstream choke block is provided with an opening B through which the valveless buffer air cushion material passes. Therefore, one end of an inflating rod of the inflating device is inserted in the air blocking groove A, the other end of the inflating rod is inserted in the downstream air blocking block, the valveless buffer air cushion raw materials at the air blocking groove A and the downstream air blocking block can be ensured to be in close contact with the inflating rod of the inflating device, air flow in an inflating channel of the valveless buffer air cushion raw materials is prevented from being deflated in the front direction and the rear direction of the inflating channel, the air pressure in the valveless buffer air cushion raw materials is ensured to be large enough in the air blowing process, and air leakage before heat sealing is avoided.
In some embodiments, a tension control device may be further included, the tension control device being disposed upstream of the heat sealing device, the tension control device increasing the tension of the valveless buffer air cushion stock between the tension control device and the heat sealing device by frictional squeezing and flattening the air inlet of the valveless buffer air cushion stock. From this, tension control device can improve the tension of valveless buffer air cushion raw materials between tension control device and sealing device, and the valveless buffer air cushion raw materials between tension control device and the sealing device can be taut exhibition flat to make valveless buffer air cushion raw materials be put into the flattening of sealing device before, avoid the heat-seal in-process to produce the fold, reduce the risk of buffer air cushion product gas leakage.
In some embodiments, the tension control device may include a supporting base and a flattening member, one end of the flattening member is pressed against the supporting base, when the valveless buffer air cushion raw material is accommodated between one end of the flattening member and the supporting base, rolling friction force or sliding friction force is generated between the flattening member and the valveless buffer air cushion raw material,
the flattening component is close to or far away from the supporting seat, or the other end of the flattening component is fixed.
Therefore, when the valveless buffer air cushion raw material moves to the tension control device, the valveless buffer air cushion raw material enters between the supporting seat and the flattening component, the flattening component can be abutted against the valveless buffer air cushion raw material on the supporting seat, and along with the movement of the valveless buffer air cushion raw material, the flattening component flattens the air inlet of the valveless buffer air cushion raw material in a friction (rolling friction or sliding friction) extrusion mode, so that the valveless buffer air cushion raw material achieves a stable and reliable flattening effect before entering the heat sealing device, wrinkles generated in the heat sealing process are avoided, and the risk of air leakage of a buffer air cushion product is reduced; the flattening component is close to or far away from the supporting seat, so that the flattening component can float up and down, the flattening component is guaranteed to be always pressed against the valveless buffer air cushion raw material on the supporting seat, and the tension of the valveless buffer air cushion raw material between the supporting seat and the heat sealing device and the flattening effect at the air inlet of the valveless buffer air cushion raw material are guaranteed; one end of the flattening component is abutted against the supporting seat, the other end of the flattening component is fixed, when the valveless buffer air cushion raw material is inserted between the flattening component and the supporting seat, the flattening component fixed at the other end can be always abutted against the valveless buffer air cushion raw material, and the tension of the valveless buffer air cushion raw material between the supporting seat and the heat sealing device and the flattening effect at the air inlet of the valveless buffer air cushion raw material are ensured.
In some embodiments, the support seat may be provided with a turn portion, and one end of the flattening member abuts against the turn portion. Therefore, the valve-free buffer air cushion raw material between the supporting seat and the heat sealing device can be tensioned and further flattened by the aid of the turning part, and the valve-free buffer air cushion raw material can achieve a stable and reliable flattening effect before entering the heat sealing device.
In some embodiments, the horizontal tangent to the end of the support base adjacent the entrance of the heat seal device may be higher than the horizontal plane of the entrance of the heat seal device. Therefore, the valveless buffer air cushion raw material between the supporting seat and the heat sealing device can be further ensured to be tensioned, so that the valveless buffer air cushion raw material forms large tension in the moving process and is stretched and flattened, and the valveless buffer air cushion raw material is ensured to achieve a stable and reliable flattening effect before entering the heat sealing device.
In some embodiments, the flattening component may include a pressing rod, a flattening wheel, a rotating shaft, a spring a and a connecting rod, the flattening wheel is disposed at one end of the pressing rod and is rotatably connected with the pressing rod, the flattening wheel abuts against the supporting seat, the other end of the pressing rod is sleeved on the rotating shaft, one end of the connecting rod is sleeved on the rotating shaft, one end of the spring a is disposed at the other end of the connecting rod and the spring a is in a deformed state, the other end of the spring a is fixed, the pressing rod and the rotating shaft rotate synchronously, and the connecting rod and the rotating shaft rotate synchronously. From this, lift flat wheel, can alternate the initiating terminal of valveless buffer air cushion raw materials between supporting seat and flat wheel of exhibition, can take out valveless buffer air cushion raw materials from between supporting seat and the flat wheel of exhibition with the reason, pivoted exhibition flat wheel can support and press on the valveless buffer air cushion raw materials that is located the supporting seat, along with the removal of valveless buffer air cushion raw materials, exhibition flat wheel makes the air inlet department of valveless buffer air cushion raw materials flat through the extruded mode of rolling friction, the existence of spring A and connecting rod can ensure that exhibition flat wheel supports all the time and presses on the valveless buffer air cushion raw materials that is located the supporting seat, guarantee the tension of valveless buffer air cushion raw materials between supporting seat and the sealing device and the exhibition flat effect of air inlet department of valveless buffer air cushion raw materials.
In some embodiments, the flattening component may include a flattening wheel, a spring a, and a flattening rod, the flattening wheel is disposed on one end of the flattening rod and is rotatably connected with the flattening rod, the flattening wheel is pressed against the supporting seat, one end of the spring a is disposed on the other end of the flattening rod and is in a deformed state, and the other end of the spring a is fixed. From this, pivoted exhibition flat wheel can support and press on lieing in the valveless buffer air cushion raw materials on the supporting seat, along with the removal of valveless buffer air cushion raw materials, exhibition flat wheel makes the air inlet department exhibition of valveless buffer air cushion raw materials through rolling friction extrusion's mode flat, and the existence of spring A can ensure that exhibition flat wheel supports all the time and presses on lieing in the valveless buffer air cushion raw materials on the supporting seat, guarantees the tension of the valveless buffer air cushion raw materials between supporting seat and the sealing device and the exhibition flat effect of air inlet department of valveless buffer air cushion raw materials.
In some embodiments, the spreader wheels may be made of a rigid material. Therefore, the flattening wheel made of the rigid material can ensure the flattening effect of the air inlet of the raw material of the valveless buffer air cushion.
In some embodiments, the flattening component may be a pressing rod, one end of the pressing rod pressed against the supporting seat is arc-shaped, and the other end of the pressing rod is fixed. From this, the tip that supports the depression bar that presses on the supporting seat is the cambered surface form and can guarantee under the flat circumstances of air inlet department of valveless buffer air cushion raw materials, and the tip that supports the depression bar can not cause the damage to valveless buffer air cushion raw materials, supports the tension that the depression bar can effectively adjust the valveless buffer air cushion raw materials between supporting seat and the sealing device.
In some embodiments, the pressing rod may be made of an elastic material. From this, the pole of pressing that supports by elastic material can realize floating from top to bottom, ensures that the exhibition flat wheel supports all the time and presses on the valveless buffer air cushion raw materials that is located on the supporting seat, guarantees the tension of the valveless buffer air cushion raw materials between supporting seat and the sealing device and the exhibition flat effect of air inlet department of valveless buffer air cushion raw materials.
In some embodiments, a pressing device may be further included, the pressing device being disposed outside the heat sealing device, and the pressing device presses the air inlet of the inflated valveless buffer air cushion material when the heat sealing device heat-seals the air inlet of the inflated valveless buffer air cushion material. From this, because closing device is located sealing device's the outside, at the heat-seal in-process, closing device compresses tightly the air inlet of the valveless buffer air cushion raw materials after aerifing in step, the air cavity of temporarily sealing up, make atmospheric pressure in the valveless buffer air cushion raw materials can not be to the molten condition, not fully cooled heat-seal region causes the extrusion, reduce atmospheric pressure to the pressure of heat banding, can not produce the huge pulling force to the heat-seal region, avoid influencing the heat-seal effect, produce the heat-seal limit fracture, the risk of gas leakage breaks, can effectively improve the heat-seal effect.
In some embodiments, the compression device may include an upper compression block and a lower compression block that are closer to and farther from each other.
From this, when last compact heap and lower compact heap are close to each other, go up the upper surface contact of compact heap and valveless buffer air cushion raw materials, lower compact heap and the lower surface contact of valveless buffer air cushion raw materials, go up the air cavity after aerifing on the compact heap and the lower compact heap can temporarily seal valveless buffer air cushion raw materials, make the atmospheric pressure in the air cavity can not cause the extrusion to the heat-seal region, reduce the pressure of atmospheric pressure to the heat-seal edge, can not produce huge pulling force to the heat-seal region, avoid producing the banding fracture, the risk of breaking gas leakage, effectively improve the heat-seal effect, go up compact heap and lower compact heap can be close to each other and keep away from, be applicable to the valveless buffer air cushion raw materials of different specifications, guarantee that last compact heap and lower compact heap can seal the air cavity after aerifing on the valveless buffer air cushion raw materials all the time.
In some embodiments, the device can further comprise an upper fixing block and an air cylinder, wherein one end of the air cylinder is arranged on the upper fixing block, the other end of the air cylinder is arranged at the top of the upper pressing block, and the lower pressing block is fixed. Therefore, the upper pressing block can float up and down due to the existence of the cylinder, the air cavity inflated on the raw material of the valveless buffer air cushion can be always sealed by the upper pressing block and the lower pressing block, and the air cylinder is suitable for the raw material of the valveless buffer air cushions with different specifications.
In some embodiments, the device can further comprise an upper fixing block, an electromagnet and a magnet, wherein the electromagnet is arranged on the upper fixing block, the magnet is arranged on the top of the upper pressing block, when the electromagnet is electrified, an iron core of the electromagnet repels the magnet, and the lower pressing block is fixed. Therefore, the upper pressing block can float up and down due to the existence of the electromagnet and the magnet, the upper pressing block and the lower pressing block can be ensured to always seal an inflated air cavity on the raw material of the valveless buffer air cushion, and the valve-free buffer air cushion is suitable for the raw materials of the valveless buffer air cushions with different specifications.
In some embodiments, the device can further comprise an upper fixing block and a gas spring, wherein one end of the gas spring is arranged on the upper fixing block, the other end of the gas spring is arranged at the top of the upper pressing block, and the lower pressing block is fixed. Therefore, the upper pressing block can float up and down due to the existence of the air spring, the air cavity inflated on the raw material of the valveless buffer air cushion can be always sealed by the upper pressing block and the lower pressing block, and the air spring is suitable for the raw materials of the valveless buffer air cushions with different specifications.
In some embodiments, the device can further comprise an upper fixing block and a hydraulic buffer, wherein one end of the hydraulic buffer is arranged on the upper fixing block, the other end of the hydraulic buffer is arranged on the top of the upper pressing block, and the lower pressing block is fixed. Therefore, the upper pressing block can float up and down due to the existence of the hydraulic buffer, the upper pressing block and the lower pressing block can be ensured to always seal an inflated air cavity on the raw material of the valveless buffer air cushion, and the hydraulic buffer air cushion is suitable for the raw materials of the valveless buffer air cushions with different specifications.
In some embodiments, the device can further comprise an upper fixing block and a magnetic spring, wherein one end of the magnetic spring is arranged on the upper fixing block, the other end of the magnetic spring is arranged at the top of the upper pressing block, and the lower pressing block is fixed. Therefore, the upper pressing block can float up and down due to the existence of the magnetic spring, the upper pressing block and the lower pressing block can be ensured to always seal an inflated air cavity on the raw material of the valveless buffer air cushion, and the valve-free buffer air cushion is suitable for the raw materials of the valveless buffer air cushions with different specifications.
In some embodiments, a cooling device may be further included, the cooling device being disposed downstream of the heat seal device, the cooling device including an upper cooling block and a lower cooling block, the upper cooling block being disposed in a transport direction of an upper heating belt of the heat seal device, the lower cooling block being disposed in a transport direction of a lower heating belt of the heat seal device, the upper cooling block and the lower cooling block being adjacent to and remote from each other to cool the heat seal of the valveless buffer air cushion product. Therefore, the cooling device at the downstream of the heat sealing device can take away the heat at the heat-sealed edge of the buffer air cushion product, so that the buffer air cushion product can be cooled quickly.
In some embodiments, the upper and lower cooling blocks may be made of copper or aluminum. Therefore, the upper cooling block and the lower cooling block made of copper or aluminum can rapidly take away the heat at the heat-sealed edges of the cushion product, so that the cushion product can be rapidly cooled.
According to yet another aspect of the present invention, there is also provided a method of producing a valveless high-pressure buffer air cushion product, comprising the steps of:
(a) the inflation device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the air blocking device blocks an inflation channel of the raw material of the valveless buffer air cushion to block air flow in the inflation channel from leaking;
(b) the heat sealing device carries out heat sealing on the air inlet of the inflated raw material of the valveless buffer air cushion, and seals the air into the air cavity of the raw material of the valveless buffer air cushion;
(c) the blade continuously cuts off the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream;
(d) the valve-free buffer air cushion product is continuously produced.
The invention relates to a method for producing a valveless high-pressure buffer air cushion product, which adopts a valveless buffer air cushion raw material, an inflating device blows compressed air with the pressure of more than 0.13MPa into the valveless buffer air cushion raw material, meanwhile, an air blocking device blocks an inflating channel of the valveless buffer air cushion raw material to block air flow from leaking out of the inflating channel of the valveless buffer air cushion raw material, then a heat sealing device carries out heat sealing on an air inlet of the inflated valveless buffer air cushion raw material to generate a heat sealing edge, air is sealed into an air cavity of the valveless buffer air cushion raw material to change the air cavity into a sealed air cavity, thereby forming the buffer air cushion product, the formed buffer air cushion product can be used for buffering heavier and fragile objects, brings better protection effect, saves the use cost of the buffer air cushion product, and solves the problem that the buffer raw material without a one-way valve can not be inflated with high-pressure air (more than or equal to 0.13MPa), the valve-free buffer air cushion has the advantages that the high-pressure gas (more than or equal to 0.13MPa) is filled into the raw material of the valve-free buffer air cushion, the application range of the existing buffer air cushion finished product is expanded, the production efficiency of the buffer air cushion product is improved, the buffer air cushion can replace the buffer product with the one-way valve on the market, the cost of using the buffer material by a client is reduced, and higher use value is brought to the client.
In some embodiments, step (a') may further be included between steps (a) and (b): the tension control device extrudes the raw material of the valveless buffer air cushion through friction, the tension of the raw material of the valveless buffer air cushion between the tension control device and the heat sealing device is improved, the air inlet of the raw material of the valveless buffer air cushion is flattened, and wrinkles are eliminated. Therefore, the tension control device can improve the tension of the valveless buffer air cushion raw material between the tension control device and the heat sealing device, the valveless buffer air cushion raw material between the tension control device and the heat sealing device is tensioned and flattened, so that the valveless buffer air cushion raw material is flattened before entering the heat sealing device, folds are prevented from being generated in the heat sealing process, and the risk of air leakage of a buffer air cushion product is reduced.
In some embodiments, in step (b), the heat sealing device heat seals the air inlet of the inflated valveless buffer air cushion material while the pressing device presses the air inlet of the inflated valveless buffer air cushion material to temporarily seal the inflated air cavity of the valveless buffer air cushion material, thereby reducing the pressure of the air pressure on the heat sealed edge. From this, at the heat-seal in-process, closing device compresses tightly the air inlet of the valveless buffer air cushion raw materials after aerifing in step, and the air cavity of living is sealed temporarily, makes the atmospheric pressure in the valveless buffer air cushion raw materials can not cause the extrusion to the heat-seal limit, reduces the pressure of atmospheric pressure to the heat banding, can not produce the huge power of dragging to the heat-seal region, avoids producing the influence to the heat-seal effect, produces the risk of heat-seal limit fracture, the gas leakage that breaks, effectively improves the heat-seal effect.
In some embodiments, step (b') may be further included between steps (b) and (c): the cooling device cools the heat seal of the valveless buffer air cushion product. Therefore, the cooling device can take away the heat at the heat-sealed edge on the buffer air cushion product, so that the buffer air cushion product can be cooled rapidly.
Drawings
FIG. 1 is a prior art state of the art low air pressure cushion product packaging heavier, fragile items;
FIG. 2 is a schematic top view of an apparatus for producing a valveless high-pressure buffer air mattress product according to one embodiment of the present invention;
FIG. 3 is a bottom view of the device shown in FIG. 2;
FIG. 4 is a schematic view of the apparatus shown in FIG. 2 mounted on a frame;
FIG. 5 is a schematic structural view of the apparatus shown in FIG. 4 with the upper and lower pressing blocks hidden;
FIG. 6 is a schematic view of the connection of the choke assembly and the inflator assembly of one embodiment of the apparatus shown in FIG. 2;
fig. 7 is a left side view of the choke assembly, inflator assembly shown in fig. 6;
fig. 8 is a top view of the choke assembly and inflator assembly shown in fig. 6;
fig. 9 is a schematic view of the connection of the choke unit and the inflator according to another embodiment of the apparatus shown in fig. 2;
fig. 10 is a left side view of the choke assembly, inflator device shown in fig. 9;
fig. 11 is a top view of the choke assembly and inflator assembly shown in fig. 9;
fig. 12 is a schematic view of a connection structure of a choke device and an inflator device according to still another embodiment of the apparatus shown in fig. 2;
fig. 13 is a top view of the choke assembly and inflator assembly shown in fig. 12;
FIG. 14 is a schematic view of a tension control device and a heat sealing device according to an embodiment of the apparatus shown in FIG. 2;
FIG. 15 is a schematic view showing the structure of a tension control device and a heat sealing device according to another embodiment of the apparatus shown in FIG. 2;
FIG. 16 is a schematic view showing the structure of a tension control device and a heat sealing device according to still another embodiment of the apparatus shown in FIG. 2;
FIG. 17 is a schematic view of the compacting apparatus of one embodiment of the apparatus shown in FIG. 2;
FIG. 18-A is a schematic view of a heat sealing device heat sealing a valve-free cushion material without a press device;
FIG. 18-B is a schematic view of the air pressure in the raw material of the valveless buffer air cushion of FIG. 18-A pressing the heat-seal area;
FIG. 18-C is a schematic view of the apparatus of FIG. 2 heat sealing a blank of a valveless cushion;
FIG. 19 is a schematic view of a cooling device in the apparatus shown in FIG. 2;
FIG. 20 is a schematic view of the construction of the valve-less cushion material employed in the present invention;
FIG. 21 is a state diagram of the apparatus of FIG. 2 in the production of a cushion product;
FIG. 22 is a schematic view of the construction of the cushion product produced by the apparatus shown in FIG. 21;
FIG. 23 illustrates the cushion product of FIG. 22 in a condition wherein the cushion product is wrapped with a relatively heavy, fragile item;
FIG. 24 is a flow chart of a method of producing a valveless high-pressure buffer air mattress product according to one embodiment of the present invention;
FIG. 25 is a flow chart of a method of producing a valveless high-pressure buffer air mattress product according to another embodiment of the present invention;
FIG. 26 is a flow chart of a method of producing a valveless high-pressure buffer air mattress product according to a third embodiment of the present invention;
fig. 27 is a flow chart of a method of manufacturing a valveless high-pressure buffer air mattress product according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Fig. 2-19 schematically illustrate the construction of an apparatus for producing a valveless high-pressure buffer air mattress product according to an embodiment of the present invention.
Referring to fig. 2 to 19, the apparatus for producing the valveless high-pressure air cushion product comprises a gas blocking device, an air charging device and a heat sealing device 3. In addition, the device for producing the valveless high-pressure buffer air cushion product can also comprise a tension control device 4, a pressing device 5, a cooling device 6, a blade 7 and a frame 8.
The air blocking device is arranged on the inflating device, the heat sealing device 3 is arranged at the outer side of the inflating device, in particular, the air blocking device is arranged on an inflating rod 21 of the inflating device, an air blowing hole 22 is formed on the inflating rod 21, the heat sealing device 3 is arranged at the outer side of the inflating rod 21 of the inflating device, the inflating rod 21 of the inflating device is inserted in an inflating channel of the valveless buffer air cushion raw material, the inflating rod 21 of the inflating device can blow compressed air with the pressure of more than 0.13MPa into the valveless buffer air cushion raw material through the air blowing hole 22, the air blocking device blocks the inflating channel of the valveless buffer air cushion raw material, high-pressure air flow blown by the inflating rod 21 of the inflating device is prevented from leaking out of the inflating channel of the valveless buffer air cushion raw material, when the valveless buffer air cushion raw material filled with enough air moves to the heat sealing device 3, the heat sealing device 3 carries out heat sealing on an air inlet of the inflated valveless buffer air cushion raw material, and sealing the compressed air into the air cavity of the raw material of the valveless buffer air cushion to change the air cavity into a sealed air cavity, thereby forming the buffer air cushion product.
The choke device includes an upstream choke device and a downstream choke device, both mounted on an inflation stem 21 of the inflator device with a blow hole 22 located between the upstream choke device and the downstream choke device.
Referring to fig. 2 to 8, in the present embodiment, the upstream choke device includes an upper choke wheel a11 and a lower choke wheel a12, the upper choke wheel a11 and the lower choke wheel a12 have the same pattern, the upper choke wheel a11 is formed with a groove along the circumferential direction, the lower choke wheel a12 is formed with a groove along the circumferential direction, the upper choke wheel a11 and the lower choke wheel a12 abut against each other up and down, and the groove on the upper choke wheel a11 and the groove on the lower choke wheel a12 abut against each other to form a choke groove a 13.
Referring to fig. 6 to 8, the inflating rod 21 of the inflating device is inserted into the choke groove a13 between the upper choke wheel a11 and the lower choke wheel a12, leaving a gap between the outer periphery of the inflating rod 21 and the wall of the choke groove a13 through which an inflating passage for the valveless cushion material passes.
Referring to fig. 2 to 8, in the present embodiment, the downstream choke device includes an upper choke wheel B14 and a lower choke wheel B15, the upper choke wheel B14 and the lower choke wheel B15 have the same pattern, the upper choke wheel B14 is formed with a groove along the circumferential direction, the lower choke wheel B15 is formed with a groove along the circumferential direction, the upper choke wheel B14 and the lower choke wheel B15 abut against each other up and down, the groove on the upper choke wheel B14 and the groove on the lower choke wheel B15 abut against each other to form a choke groove B, the upstream choke device and the downstream choke device have the same structure, except that the installation positions are different, that is, the upper choke wheel B14, the lower choke wheel B15, the upper choke wheel a11 and the lower choke wheel a12 have the same structure pattern.
Referring to fig. 6 to 8, the inflation rod 21 of the inflation device is inserted into the choke groove B between the upper choke wheel B14 and the lower choke wheel B15, leaving a gap between the outer periphery of the inflation rod 21 and the wall of the choke groove B through which the inflation channel of the valveless cushion material passes.
The lower air blocking wheel A12 can be driven by a motor through a chain (or a belt) to rotate (clockwise rotation shown in figure 6), the rotating shaft of the lower air blocking wheel A12 and the rotating shaft of the upper air blocking wheel A11 are connected through two meshed gears, so that the upper air blocking wheel A11 and the lower air blocking wheel A12 rotate in opposite directions, and the raw material of the valveless buffer air cushion is driven to move in the downstream direction.
Referring to fig. 6, six air blowing holes 22 are formed in an air filling bar 21 of the air filling device, the six air blowing holes 22 are located between an upstream air blocking device and a downstream air blocking device, the upstream air blocking device (an upper air blocking wheel a11 and a lower air blocking wheel a12) is located at an upstream position of the air blowing holes 22, that is, the upstream air blocking device is located at a left side of the air blowing holes 22 shown in fig. 6, the downstream air blocking device (an upper air blocking wheel B14 and a lower air blocking wheel B15) is located at a downstream position of the air blowing holes 22, that is, the downstream air blocking device is located at a right side of the air blowing holes 22 shown in fig. 6, and during the air blowing of the air filling bar 21 into the valveless cushion material, the air flows in a front-rear direction (a left-right direction shown in fig. 6) along an air filling channel of the valveless cushion material, the upstream air blocking device (an upper air blocking wheel a11 and a12) and the downstream air blocking device (an upper air blocking wheel B14 and a 15) block both ends of the valveless cushion material, the air flow blown out by the air inflation rod 21 is blocked from leaking from the front direction and the rear direction of the air inflation channel of the raw material of the valveless buffer air cushion, so that the air inflation pressure is reduced, and the air pressure in the raw material of the valveless buffer air cushion is ensured to be sufficiently large in the air inflation process.
Referring to fig. 4 and 5, an upper choke wheel a11 and a lower choke wheel a12 are both mounted on the frame 8, an upper choke wheel B14 and a lower choke wheel B15 are both mounted on the frame 8, the lower choke wheel a12 and a lower choke wheel B15 are mounted on the frame 8 through bearings, the lower choke wheel a12 and the lower choke wheel B15 are both rotatable on the frame 8, the upper choke wheel a11 and the upper choke wheel B14 are mounted on the frame 8 through bearings, and the upper choke wheel a11 and the upper choke wheel B14 are both vertically floatable; the implementation mode is as follows: the lower choke wheel A12 is mounted on a base A on the frame 8 through a bearing, the base A is fixed, the upper choke wheel A11 is mounted on another base B on the frame 8 through a bearing, the base A and the base B are connected through a guide rod, the lower end of the guide rod is fixed on the base A, the middle part of the guide rod is inserted into the base B, the upper part of the guide rod is sleeved with a buffer spring, the top part of the guide rod is fixed on a mounting plate, the buffer spring is positioned between the mounting plate and the base B, the buffer spring is in a compressed state, the upper choke wheel A11 can float up and down due to the existence of the guide rod and the buffer spring, the upper choke wheel A11 can be ensured to be always abutted against the lower choke wheel A12, and one end of an inflation channel of a valveless buffer air cushion raw material is ensured to be blocked; the installation mode of the lower choke wheel B15 is the same as that of the lower choke wheel A12, the description is omitted, the installation mode of the upper choke wheel B14 is the same as that of the upper choke wheel A11, the description is omitted, and therefore the upper choke wheel B14 floats up and down, and the buffer spring is in a compression state, so that the upper choke wheel B14 can be ensured to be always abutted against the lower choke wheel B15, and the other end of an inflation channel of the valveless buffer air cushion raw material is ensured to be blocked.
Referring to fig. 9 to 11, in other embodiments, the upstream air lock device is an upstream air lock block 17, an air filling rod 21 of the air filling device is inserted into the upstream air lock block 17, a gap through which an air filling passage of the valveless buffer air cushion material passes is left between the periphery of the air filling rod 21 and the inner wall of the upstream air lock block 17, an opening a171 is formed in a side portion of the upstream air lock block 17, the opening a171 and the air filling rod 21 are arranged in the same direction, the opening a171 is through which the valveless buffer air cushion material passes, the downstream air lock device is a downstream air lock block 18, the air filling rod 21 of the air filling device is inserted into the downstream air lock block 18, a gap through which the air filling passage of the valveless buffer air cushion material passes is left between the periphery of the air filling rod 21 and the inner wall of the downstream air lock block 18, an opening B181 is formed in a side portion of the downstream air lock block 18, the opening B181 is arranged in the same direction as the air filling rod 21, the opening B181 through which the valveless buffer air cushion material passes, the air filling hole 22 of the air filling rod 21 is located between the upstream air lock block 17 and the downstream air lock block 18, the upstream air blocking block 17 and the downstream air blocking block 18 are both arranged on the frame 8; the insertion of the inflation rod 21 into the upstream air-blocking block 17 can ensure that the valveless buffer air-cushion raw material at the upstream air-blocking block 17 is in close contact with the inflation rod 21, and the insertion of the inflation rod 21 into the downstream air-blocking block 18 can ensure that the valveless buffer air-cushion raw material at the downstream air-blocking block 18 is in close contact with the inflation rod 21, so that the air flow in the inflation channel of the valveless buffer air-cushion raw material can be prevented from leaking to the front and back directions (left and right directions in fig. 9) of the inflation channel, and the air pressure in the valveless buffer air-cushion raw material is ensured to be sufficiently high in the air blowing process, thereby avoiding air leakage before heat sealing.
Referring to fig. 12 and 13, in other embodiments, the upstream choke device includes an upper choke wheel a11 and a lower choke wheel a12, the upper choke wheel a11 and the lower choke wheel a12 have the same pattern, the upper choke wheel a11 is formed with a groove along the circumferential direction, the lower choke wheel a12 is formed with a groove along the circumferential direction, the upper choke wheel a11 and the lower choke wheel a12 abut against each other up and down, the groove on the upper choke wheel a11 and the groove on the lower choke wheel a12 abut against each other to form a choke groove a13 (refer to fig. 7), the air filling rod 21 of the air filling device is inserted into the choke groove a13 (refer to fig. 7) between the upper choke wheel a11 and the lower choke wheel a12, and a gap is left between the outer periphery of the air filling rod 21 and the wall of the choke groove a13 for the air filling passage of the valve-free buffer material; the downstream air blocking device is a downstream air blocking block 18, an air filling rod 21 of the air filling device is inserted into the downstream air blocking block 18, a gap for an air filling channel of the valveless buffer air cushion raw material to pass through is reserved between the periphery of the air filling rod 21 and the inner wall of the downstream air blocking block 18, an opening B181 is formed in the side portion of the downstream air blocking block 18, the opening B181 and the air filling rod 21 are arranged in the same direction, the opening B181 is used for the valveless buffer air cushion raw material to pass through, an air blowing hole 22 in the air filling rod 21 is located between an upper air blocking wheel A11 and the downstream air blocking block 18, and the upper air blocking wheel A11, a lower air blocking wheel A12 and the downstream air blocking block 18 are all installed on the frame 8; the insertion of the inflation rod 21 into the choke groove a13 between the upper choke wheel a11 and the lower choke wheel a12 ensures that the valveless buffer cushion material at the upstream choke device is in close contact with the inflation rod 21, and the insertion of the inflation rod 21 into the downstream choke block 18 ensures that the valveless buffer cushion material at the downstream choke block 18 is in close contact with the inflation rod 21, thereby preventing the air flow in the inflation channel of the valveless buffer cushion material from leaking in the front and rear directions (left and right directions in fig. 12) of the inflation channel, ensuring that the air pressure in the valveless buffer cushion material is sufficiently high during the air blowing process, and avoiding air leakage before heat sealing. In other embodiments, the positions of the upstream choke device (upper choke wheel a11 and lower choke wheel a12) and the downstream choke device (downstream choke block 18) may be interchanged.
Referring to fig. 12 and 13, the upper choke wheel a11 and the lower choke wheel a12 are both mounted on the frame 8, the downstream choke block 18 is mounted on the frame 8, the lower choke wheel a12 is mounted on the frame 8 through bearings, the lower choke wheel a12 is rotatable on the frame 8, the upper choke wheel a11 is mounted on the frame 8 through bearings, and the upper choke wheel a11 is vertically floatable; the realization method is as follows: the lower choke wheel A12 is mounted on a base A on the frame 8 through a bearing, the base A is fixed, the upper choke wheel A11 is mounted on another base B on the frame 8 through a bearing, the base A and the base B are connected through a guide rod, the lower end of the guide rod is fixed on the base A, the middle of the guide rod is inserted into the base B, a buffer spring is sleeved on the upper portion of the guide rod, the top of the guide rod is fixed on a mounting plate, the buffer spring is located between the mounting plate and the base B, the buffer spring is in a compression state, the guide rod and the buffer spring can realize the up-and-down floating of the upper choke wheel A11, and the buffer spring is in the compression state, so that the upper choke wheel A11 can be ensured to be always abutted against the lower choke wheel A12, and one end of an inflation channel of a valveless buffer air cushion raw material is ensured to be blocked.
In other embodiments, the upstream gas barrier device may also be an upper pressure block a and a lower pressure block a, the upper pressure block a and the lower pressure block a are vertically arranged and abutted together, an insertion groove a for an inflation rod 21 of the inflation device to pass through is arranged between the upper pressure block a and the lower pressure block a, half of the insertion groove a is formed on the end surface of the upper pressure block a, which is in contact with the lower pressure block a, the other half of the insertion groove a is formed on the end surface of the lower pressure block a, which is in contact with the upper pressure block a, the inflation rod 21 is inserted between the upper pressure block a and the lower pressure block a, a connecting seam between the upper pressure block a and the lower pressure block a is used for allowing a valveless buffer air cushion raw material to pass through, and both the upper pressure block a and the lower pressure block a are mounted on the frame 8; the downstream air blocking device is an upper pressing block B and a lower pressing block B, the upper pressing block B and the lower pressing block B are vertically arranged and abutted together, an inserting groove B for an inflating rod 21 of the inflating device to penetrate through is arranged between the upper pressing block B and the lower pressing block B, one half of the inserting groove B is formed in the end face, contacted with the lower pressing block B, of the upper pressing block B, the other half of the inserting groove B is formed in the end face, contacted with the upper pressing block B, of the lower pressing block B, the inflating rod 21 is inserted between the upper pressing block B and the lower pressing block B, and a connecting seam between the upper pressing block B and the lower pressing block B is used for allowing a valveless buffer air cushion raw material to pass through; the blow hole 22 in the inflation stem 21 is located between the upstream choke and the downstream choke.
In other embodiments, the upstream choke device comprises an upper choke wheel a11 and a lower press block a, the downstream choke device comprises an upper choke wheel B14 and a lower press block B, the upper choke wheel a11 and the upper choke wheel B14 are mounted on the frame 8 through bearings, both the upper choke wheel a11 and the upper choke wheel B14 can rotate on the frame 8, and the upper choke wheel a11 and the upper choke wheel B14 can float up and down; the realization method is as follows: the lower pressure block A is arranged on a base A on the frame 8, the base A is fixed, the upper air blocking wheel A11 is arranged on another base B on the frame 8 through a bearing, the base A and the base B are connected through a guide rod, the lower end of the guide rod is fixed on the base A, the middle part of the guide rod is inserted in the base B, a buffer spring is sleeved on the upper part of the guide rod, the top part of the guide rod is fixed on a mounting plate, the buffer spring is positioned between the mounting plate and the base B, the buffer spring is in a compression state, the upper air blocking wheel A11 can float up and down due to the existence of the guide rod and the buffer spring, and the buffer spring is in the compression state, so that the upper air blocking wheel A11 can always abut against the lower pressure block A, and one end of an air charging channel of the valveless buffer air cushion raw material is ensured to be blocked; the installation mode of the lower pressing block B is the same as that of the lower pressing block A, the repeated description is omitted, the installation mode of the upper air blocking wheel B14 is the same as that of the upper air blocking wheel A11, the repeated description is omitted, the upper air blocking wheel B14 floats up and down, and the buffer spring is in a compression state, so that the upper air blocking wheel B14 can be guaranteed to be always abutted against the lower pressing block B, and the other end of an inflation channel of the valveless buffer air cushion raw material is guaranteed to be blocked. In other embodiments, the positions of the upper choke wheel a11 and the lower press block a can be interchanged, the floating of the upper choke wheel a11 can be adjusted correspondingly, the upper choke wheel a11 can be ensured to be always abutted against the lower press block a, the positions of the upper choke wheel B14 and the lower press block B can be interchanged, the floating of the upper choke wheel B14 can be adjusted correspondingly, and the upper choke wheel B14 can be ensured to be always abutted against the lower press block B.
An inflating rod 21 of the inflating device is communicated with an air compressor, the air compressor is installed in the rack 8, the air compressor can blow out compressed air of more than 0.13MPa, and the compressed air blown out by the air compressor is blown into the raw material of the valveless buffer air cushion through an air blowing hole 22 in the inflating rod 21.
Referring to fig. 2, heat-sealing device 3 is mounted on frame 8, heat-sealing device 3 is located outside of inflation rod 21 and downstream air-blocking devices (upper air-blocking wheel B14 and lower air-blocking wheel B15) of the inflation device, and heat-sealing device 3 is located outside of inflation rod 21 and downstream air-blocking devices to ensure that when heat-sealing device 3 seals air cavities on inflated valveless cushion material, the air cavities are still located between the upstream air-blocking devices and the downstream air-blocking devices to ensure that the air pressure inside the air cavities is sufficiently high during heat-sealing to avoid air leakage before heat-sealing.
Referring to fig. 4, the structure of heat seal device 3 may be: the valve-free buffer air cushion material conveying device comprises an upper heating belt and a lower heating belt, wherein the upper heating belt forms a transmission loop through four rotating wheels, the lower heating belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, conveying of the upper heating belt and the lower heating belt is achieved, the upper heating belt and the lower heating belt are arranged up and down, a valve-free buffer air cushion material is supplied to pass through between the upper heating belt and the lower heating belt, a heating block A is installed in the conveying direction of the upper heating belt, a heating block B is installed in the conveying direction of the lower heating belt and fixed, the heating block A can float up and down to ensure that the upper heating belt and the lower heating belt can clamp the valve-free buffer air cushion material all the time up and down, and the upper heating belt and the lower heating belt drive the valve-free buffer air cushion material to move downstream while performing heat sealing on an air inlet of the inflated valve-free buffer air cushion material; the implementation mode of the up-and-down floating of the heating block A is as follows: heating block B is fixed on a mounting panel of frame 8, heating block B is fixed, heating block A's top is installed on another mounting panel through at least one guide bar, the lower extreme of guide bar is fixed at heating block A's top, the upper end of guide bar alternates on the mounting panel and the guide bar can slide from top to bottom on the mounting panel, the cover has the spring of compression on the guide bar, the spring is located between mounting panel and the heating block A, the existence of guide bar and spring is ensured to go up the heating tape and can clip valveless buffer air cushion raw materials from top to bottom all the time with lower heating tape.
Referring to fig. 3, tension control device 4 is mounted on frame 8, tension control device 4 being located upstream of heat-seal device 3, and tension control device 4 being located to the left of heat-seal device 3 in fig. 2; before the valveless buffer air cushion raw material enters the heat sealing device 3, the heat sealing area on the valveless buffer air cushion raw material can become uneven due to the influence of air flow, if the heat sealing is directly carried out, the generated wrinkles can cause the air leakage of the buffer air cushion product, and therefore, the tension control device 4 is required to be added at the upstream of the heat sealing device 3, so that the valveless buffer air cushion raw material forms larger tension between the tension control device 4 and the heat sealing device 3, the tension control device 4 improves the tension of the valveless buffer air cushion raw material between the tension control device 4 and the heat sealing device 3 through friction extrusion, and the air inlet of the valveless buffer air cushion raw material is flattened.
Referring to fig. 5 and 14, the tension control device 4 includes a support base 41 and a flattening member including a flattening wheel 43, a spring a45, and a flattening lever 46.
Referring to fig. 14, in this embodiment, a turning portion 411 is formed on the top of the supporting base 41, the turning portion 411 is in a circular arc transition, the upstream portion of the supporting base 41 (i.e. the top surface of the left end of the supporting base 41) is parallel to the moving direction of the raw material of the valveless buffer air cushion, and the downstream portion of the supporting base 41 (i.e. the end of the supporting base 41 close to the heat sealing device 3) is at an angle to the moving direction of the raw material of the valveless buffer air cushion, so as to form the turning portion 411. In other embodiments, the supporting seat 41 may also be disposed in an oblique straight line, and the upstream portion of the supporting seat 41 is lower than the downstream portion, and is in a climbing shape.
Referring to fig. 14, the flattening wheel 43 is mounted at the lower part of the flattening rod 46 through a rotating shaft, the flattening wheel 43 can rotate on the flattening rod 46, the flattening wheel 43 is pressed against the turning part 411 on the supporting seat 41, the bottom of the spring a45 is fixed at the top of the flattening rod 46, the top of the spring a45 is fixed on the frame 8, the spring a45 is in a compressed state, and the existence of the spring a45 can realize the up-and-down floating of the flattening wheel 43; when the valveless buffer air cushion raw material is accommodated between the flattening wheel 43 and the supporting seat 41, the flattening wheel 43 flattens the air inlet of the valveless buffer air cushion raw material in a rolling friction extrusion mode along with the movement of the valveless buffer air cushion raw material.
Referring to fig. 14, a horizontal tangent line L1 of the end of the supporting seat 41 near the entrance of the heat sealing device 3 is higher than a horizontal plane L2 of the entrance of the heat sealing device 3, and this height difference arrangement can further ensure that the raw material of the valveless buffer air cushion between the supporting seat 41 and the heat sealing device 3 is tensioned, so that the raw material of the valveless buffer air cushion forms a large tension during the moving process and is stretched and flattened, thereby ensuring that the raw material of the valveless buffer air cushion achieves a stable and reliable flattening effect before entering the heat sealing device 3.
Referring to fig. 14, in the present embodiment, the flattening wheel 43 is made of a rigid material, so as to ensure rolling friction between the flattening wheel 43 and the raw material of the valveless buffer air cushion and flattening effect of the raw material of the valveless buffer air cushion. In other embodiments, the spreader roller 43 may also be made of an elastic material, such as polyurethane, and the spreader roller 43 made of an elastic material has a relatively high friction coefficient, so that when the spreader roller 43 rotates, the rolling friction between the spreader roller 43 and the raw material of the valveless buffer air cushion can be ensured.
In other embodiments, referring to fig. 15, the flattening component may be: comprises a pressure lever 42, a flattening wheel 43, a rotating shaft 44, a spring A45 and a connecting rod 48.
Referring to fig. 15, in this embodiment, a turning portion 411 is formed at the top of the supporting base 41, the turning portion 411 is in a circular arc transition, the upstream portion of the supporting base 41 (i.e. the top surface of the left end of the supporting base 41) is parallel to the moving direction of the raw material of the valveless buffer air cushion, and the downstream portion of the supporting base 41 (i.e. the end of the supporting base 41 close to the heat sealing device 3) is at an angle to the moving direction of the raw material of the valveless buffer air cushion, so as to form the turning portion 411. In other embodiments, the supporting seat 41 may also be disposed in an oblique straight line, and the upstream portion of the supporting seat 41 is lower than the downstream portion, and is in a climbing shape.
Referring to fig. 15, the flattening wheel 43 is mounted on the right end of the pressing rod 42 through a rotating shaft, the flattening wheel 43 can rotate on the pressing rod 42, the left end of the pressing rod 42 is sleeved on one end of the rotating shaft 44, the pressing rod 42 is fixedly connected with the rotating shaft 44, the other end of the rotating shaft 44 is mounted on the frame 8 through a bearing, that is, the rotating shaft 44 can rotate on the frame 8, one end of the connecting rod 48 is sleeved on the rotating shaft 44, the connecting rod 48 is fixedly connected with the rotating shaft 44, one end of the spring a45 is fixed on the other end of the connecting rod 48, the other end of the spring a45 is fixed on the frame 8, the flattening wheel 43 is pressed against the turning part 411 on the supporting seat 41 (the state shown in fig. 15), in this embodiment, the spring a45 is in a stretching state, the spring a45 in stretching state can pull the connecting rod 48, the connecting rod 48 makes the left end of the pressing rod 42 have a tendency to rotate clockwise through the rotating shaft 44, so as to ensure that the flattening wheel 43 can always press against the turning part 411 on the supporting seat 41, in other embodiments, the spring a45 can be installed on the other side of the connecting rod 48, and the spring a45 is in a compressed state, and the restoring force of the spring a45 can push against the connecting rod 48, so that the left end of the pressing rod 42 tends to rotate clockwise, thereby ensuring that the flattening wheel 43 can always press against the turning part 411 on the supporting seat 41; lifting the flattening wheel 43, inserting the starting end of the raw material of the valveless buffer air cushion between the supporting seat 41 and the flattening wheel 43, and taking out the raw material of the valveless buffer air cushion from between the supporting seat 41 and the flattening wheel 43 in the same way; the presence of the spring a45 and the connecting rod 48 allows the flattening wheel 43 to float up and down; when the valveless buffer air cushion raw material is accommodated between the flattening wheel 43 and the supporting seat 41, along with the movement of the valveless buffer air cushion raw material, the flattening wheel 43 flattens the air inlet of the valveless buffer air cushion raw material in a rolling friction extrusion mode, and because the spring a45 is in a stretching state, the flattening wheel 43 can always abut against the valveless buffer air cushion raw material at the turning part 411, so that the tension of the valveless buffer air cushion raw material between the supporting seat 41 and the heat sealing device 3 and the flattening effect of the air inlet of the valveless buffer air cushion raw material are ensured.
Referring to fig. 15, a horizontal tangent line L1 of the end of the supporting seat 41 near the entrance of the heat sealing device 3 is higher than a horizontal plane L2 of the entrance of the heat sealing device 3, and this height difference arrangement can further ensure that the raw material of the valveless buffer air cushion between the supporting seat 41 and the heat sealing device 3 is tensioned, so that the raw material of the valveless buffer air cushion forms a large tension in the moving process and is stretched and flattened, and the raw material of the valveless buffer air cushion can achieve a stable and reliable flattening effect before entering the heat sealing device 3.
Referring to fig. 15, in the present embodiment, the flattening wheel 43 is made of a rigid material, so as to ensure the rolling friction between the flattening wheel 43 and the raw material of the valveless buffer air cushion and the flattening effect on the raw material of the valveless buffer air cushion. In other embodiments, the spreader roller 43 may also be made of an elastic material, such as polyurethane, and the spreader roller 43 made of an elastic material has a relatively high friction coefficient, so that when the spreader roller 43 rotates, the rolling friction between the spreader roller 43 and the raw material of the valveless buffer air cushion can be ensured.
In other embodiments, referring to fig. 16, the flattening component is a pressing rod 47, the right lower end of the pressing rod 47 presses against the turning part 411, the right lower end of the pressing rod 47 is arc-shaped, the left upper end of the pressing rod 47 is fixed, and the pressing rods 47 are obliquely arranged; when the valveless buffer air cushion raw material is accommodated between the abutting rod 47 and the supporting seat 41, along with the movement of the valveless buffer air cushion raw material, the air inlet of the valveless buffer air cushion raw material is flattened by the right lower end of the abutting rod 47 in a sliding friction extrusion mode, and the right lower end of the abutting rod 47 is arc-surface-shaped, so that the right lower end of the abutting rod 47 cannot damage the valveless buffer air cushion raw material under the condition that the air inlet of the valveless buffer air cushion raw material is flattened.
Referring to fig. 16, in the present embodiment, the pressing rods 47 are arranged in an oblique manner, and the pressing rods 47 arranged in an oblique manner can effectively adjust the tension of the raw material of the valveless buffer air cushion between the supporting seat 41 and the heat sealing device 3, thereby effectively reducing the risk of film breakage of the raw material of the valveless buffer air cushion. In other embodiments, the arrangement of the pressing rods 47 can be adaptively adjusted according to the tension control requirement.
In this embodiment, the right lower end of the pressing rod 47 or the whole pressing rod 47 is made of an elastic material, such as polyurethane, and the friction coefficient of the right lower end of the pressing rod 47 or the pressing rod 47 made of the elastic material is relatively large, so as to ensure the sliding friction between the pressing rod 47 and the raw material of the valve-less buffer air cushion. In other embodiments, the lower right end or the whole of the pressing rod 47 may be made of a rigid material, so as to ensure the sliding friction between the pressing rod 47 and the raw material of the valveless buffer air cushion.
Referring to fig. 16, the horizontal tangent line L1 of the end of the supporting seat 41 near the entrance of the heat sealing device 3 is higher than the horizontal plane L2 of the entrance of the heat sealing device 3, and this height difference arrangement can further ensure that the raw material of the valveless buffer air cushion between the supporting seat 41 and the heat sealing device 3 is tensioned, so that the raw material of the valveless buffer air cushion forms a large tension during the moving process and is stretched and flattened, thereby ensuring that the raw material of the valveless buffer air cushion achieves a stable and reliable flattening effect before entering the heat sealing device 3.
The flattening wheel 43 or the abutting rod 47 abuts against the turning part 411, so that the moving path of the area to be heat-sealed on the raw material of the valveless buffer air cushion is larger than the moving path of the other side far away from the area to be heat-sealed, and when the heat sealing device 3 is pulled and pulled down, the area to be heat-sealed on the raw material of the valveless buffer air cushion can form larger tension between the tension control device 4 and the heat sealing device 3, so that the air inlet of the raw material of the valveless buffer air cushion is flattened.
Referring to fig. 4, the pressing device 5 is mounted on the frame 8, the pressing device 5 is located outside the heat sealing device 3, the pressing device 5 is located below the heat sealing device 3 in fig. 2, and when the heat sealing device 3 heat-seals the air inlet of the inflated valveless buffer air cushion raw material, the pressing device 5 synchronously presses the air inlet of the inflated valveless buffer air cushion raw material.
Referring to fig. 18-a and 18-B, when the heat sealing device 3 performs heat sealing on the valveless buffer air cushion material 9 without the pressing device 5, the air pressure in the air cavity of the valveless buffer air cushion material 9 may generate tearing force on the heat-sealed edge, and the heat-sealed edge may be damaged due to the fact that the heat-sealed edge is in a molten state and is not completely cooled, and air in the air cavity leaks, as shown in fig. 18-B.
Referring to fig. 18-C, when heat-sealing device 3 heat-seals the air inlet of inflated valveless buffer air cushion raw material 9, compressing device 5 compresses the air inlet of inflated valveless buffer air cushion raw material 9 synchronously, compressing device 5 can seal the air cavity on valveless buffer air cushion raw material 9 temporarily, make the atmospheric pressure in the valveless buffer air cushion raw material 9 can not be to the molten state, the not fully cooled heat-seal region causes the extrusion, reduce the pressure of atmospheric pressure to the hot banding, can not produce huge pulling force to the heat-seal region, avoid influencing the heat-seal effect, produce the heat-seal limit fracture, the risk of gas leakage breaks, can effectively improve the heat-seal effect.
Referring to fig. 17, the pressing device 5 includes an upper pressing block 51 and a lower pressing block 52, and the upper pressing block 51 and the lower pressing block 52 can be moved toward and away from each other to adapt to the raw material of the valveless buffer air cushion with different specifications, so as to ensure that the upper pressing block 51 and the lower pressing block 52 can always seal the inflated air cavity on the raw material of the valveless buffer air cushion.
Referring to fig. 17, the pressing device 5 includes an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, an air cylinder 54, and a lower fixing block 55, wherein a cylinder body of the air cylinder 54 is fixed on the upper fixing block 53, a piston rod of the air cylinder 54 is installed on the top of the upper pressing block 51, the upper fixing block 53 is installed on the frame 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the frame 8, and the lower fixing block 55 is fixed; the specific implementation of the pressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of the air cylinder 54, the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, the valveless buffer air cushion raw materials with different specifications are suitable for being used for the valveless buffer air cushion raw materials, the upper pressing belt and the lower pressing belt drive the valveless buffer air cavity of the inflated valveless buffer air cushion raw materials to be compressed by the air inlet of the inflated valveless buffer raw materials, and simultaneously drive the valveless buffer air cushion raw materials to drive the upper pressing belt and the lower pressing belt The feedstock moves in a downstream direction.
Referring to fig. 3, when heat sealing device 3 heat-seals the air inlet of the inflated valveless buffer air cushion raw material, compressing device 5 synchronously compresses the air inlet of the inflated valveless buffer air cushion raw material, upper compressing block 51 contacts with the upper surface of the valveless buffer air cushion raw material through upper compressing band, lower compressing block 52 contacts with the lower surface of the valveless buffer air cushion raw material through lower compressing band, upper compressing band and lower compressing band can temporarily seal the inflated air cavity on the valveless buffer air cushion raw material, make the air pressure in the air cavity not extrude the heat-seal area, reduce the pressure of the air pressure to the heat-seal edge, do not produce huge pulling force to the heat-seal area, avoid producing the cracking of the heat-seal edge, the risk of air leakage breaks, effectively improve the heat-seal effect.
Referring to fig. 17, in the present embodiment, the number of the upper pressing blocks 51 is two, the two upper pressing blocks 51 are installed in the conveying direction of the upper pressing belt according to the moving direction of the raw material of the valveless buffer air cushion, the number of the lower pressing blocks 52 is two, the two lower pressing blocks 52 are installed in the conveying direction of the lower pressing belt according to the moving direction of the raw material of the valveless buffer air cushion, and the two sets of upper pressing blocks 51 and lower pressing blocks 52 ensure that the pressing device 5 can simultaneously press more air inlets of the inflated raw material of the valveless buffer air cushion, so that the heat sealing is not influenced by the omission of the air inlets. In other embodiments, the number of the upper and lower pressing blocks 51 and 52 may be suitably adjusted according to the heat-sealing and pressing requirements.
Referring to fig. 17, in the present embodiment, each upper pressing block 51 is connected to an upper fixing block 53 through two air cylinders 54, and the two air cylinders 54 can ensure the balance of the upper pressing block 51 floating up and down. In other embodiments, the number of cylinders 54 may be adjusted according to the size of the upper compression block 51.
In other embodiments, the pressing device 5 may also be: comprises an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, a pressing guide rod, a spring B and a lower fixing block 55; the upper end of the pressing guide rod is inserted into the upper fixing block 53 and is in sliding connection with the upper fixing block 53, namely the pressing guide rod can slide up and down in the upper fixing block 53, the lower end of the pressing guide rod is fixed at the top of the upper pressing block 51, the spring B is sleeved on the pressing guide rod and is positioned between the upper fixing block 53 and the upper pressing block 51, the spring B is in a compressed state, the upper fixing block 53 is installed on the rack 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the rack 8, and the lower fixing block 55 is fixed; the specific implementation of the pressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of a pressing guide rod and a spring B, and the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, so that the valveless buffer air cushion raw materials with different specifications are suitable for driving the air inlet of the valveless buffer air cushion raw materials to be compressed by the upper pressing belt and the lower pressing belt The raw material of the valveless buffer air cushion moves in the downstream direction.
In other embodiments, the pressing device 5 may also be: the electromagnetic clamping device comprises an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, an electromagnet, a magnet and a lower fixing block 55, wherein the electromagnet is installed on the upper fixing block 53, the magnet is installed at the top of the upper pressing block 51, when the electromagnet is electrified, an iron core of the electromagnet repels the magnet, the upper fixing block 53 is installed on a rack 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the rack 8, and the lower fixing block 55 is fixed; the specific implementation of the pressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of electromagnets and magnets, the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, the valveless buffer air cushion raw materials with different specifications are suitable for being used, and the upper pressing belt and the lower pressing belt drive the valveless buffer air cushion raw materials to be compressed by the air inlet of the inflated valveless buffer raw materials while driving the valveless buffer air cushion raw materials The aeration pad material moves in a downstream direction.
In other embodiments, the pressing device 5 may also be: the device comprises an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, a gas spring and a lower fixing block 55, wherein a cylinder body of the gas spring is fixed on the upper fixing block 53, a piston rod of the gas spring is installed at the top of the upper pressing block 51, the upper fixing block 53 is installed on a rack 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the rack 8, and the lower fixing block 55 is fixed; the specific implementation of the compressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of the air springs, the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, the valveless buffer air cushion raw materials with different specifications are suitable for being used for the valveless buffer air cushion raw materials, the upper pressing belt and the lower pressing belt drive the valveless buffer air cavity of the inflated valveless buffer air cushion raw materials to be compressed simultaneously The feedstock moves in a downstream direction.
In other embodiments, the pressing device 5 may also be: the hydraulic buffer comprises an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, a hydraulic buffer and a lower fixing block 55, wherein a cylinder body of the hydraulic buffer is fixed on the upper fixing block 53, a piston rod of the hydraulic buffer is installed at the top of the upper pressing block 51, the upper fixing block 53 is installed on a rack 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the rack 8, and the lower fixing block 55 is fixed; the specific implementation of the pressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of a hydraulic buffer, the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, the valveless buffer air cushion raw materials with different specifications are suitable for being used, the upper pressing belt and the lower pressing belt drive the valveless buffer air cushion raw materials while compressing the air inlet of the inflated valveless buffer raw materials The air cushion material moves in a downstream direction.
In other embodiments, the pressing device 5 may also be: the device comprises an upper pressing block 51, a lower pressing block 52, an upper fixing block 53, a magnetic spring and a lower fixing block 55, wherein a cylinder body of the magnetic spring is fixed on the upper fixing block 53, a piston rod of the magnetic spring is installed at the top of the upper pressing block 51, the upper fixing block 53 is installed on a rack 8, the lower pressing block 52 is fixed on the lower fixing block 55, the lower fixing block 55 is installed on the rack 8, and the lower fixing block 55 is fixed; the specific implementation of the pressing device 5 is as follows: the pressing device 5 further comprises an upper pressing belt and a lower pressing belt, the upper pressing belt forms a transmission loop through four rotating wheels, the lower pressing belt forms a transmission loop through four rotating wheels, a motor drives the rotating wheels to rotate through gears, the upper pressing belt and the lower pressing belt are conveyed, the upper pressing belt and the lower pressing belt are arranged up and down, valveless buffer air cushion raw materials can pass through the upper pressing belt and the lower pressing belt, the upper pressing block 51 is installed in the conveying direction of the upper pressing belt, the lower pressing block 52 is installed in the conveying direction of the lower pressing belt, the upper pressing block 51 can float up and down due to the existence of a magnetic spring, the upper pressing block 51 and the lower pressing block 52 can always clamp an inflated air cavity on the valveless buffer air cushion raw materials, namely the inflated air cavity on the valveless buffer air cushion raw materials is always sealed, the valveless buffer air cushion raw materials with different specifications are suitable for being used for the valveless buffer air cushions, and the upper pressing belt and the lower pressing belt drive the valveless buffer air cushion raw materials while compressing the air inlet of the inflated valveless buffer raw materials The mat stock moves in a downstream direction.
Referring to fig. 5 and 19, the cooling device 6 is installed downstream of the heat sealing device 3, the cooling device 6 includes an upper cooling block 61 and a lower cooling block 62, the upper cooling block 61 is installed in the conveying direction of the upper heating belt of the heat sealing device 3, the lower cooling block 62 is installed in the conveying direction of the lower heating belt of the heat sealing device 3, the upper cooling block 61 and the lower cooling block 62 can be close to and away from each other to cool the heat seal of the valveless buffer air cushion product, the upper cooling block 61 and the lower cooling block 62 can take away the heat at the upper heat seal edge of the buffer air cushion product, so that the buffer air cushion product can be rapidly cooled, the lower cooling block 62 is fixed, the upper cooling block 61 can float up and down, and the heat seal of the valveless buffer air cushion product can be always clamped up and down by the upper heating belt at the bottom of the upper cooling block 61 and the lower heating belt at the top of the lower cooling block 62; the upper cooling block 61 is floated up and down in the following way: lower cooling block 62 is fixed on a mounting panel of frame 8, lower cooling block 62 is fixed, the top of going up cooling block 61 is installed on another mounting panel through at least one guide bar, the lower extreme of guide bar is fixed at the top of going up cooling block 61, the upper end alternate on the mounting panel of guide bar and the guide bar can slide from top to bottom on the mounting panel, the cover has the spring of compression on the guide bar, the spring is located between mounting panel and the last cooling block 61, the existence of guide bar and spring ensures that the last heating tape of going up cooling block 61 bottom and the lower heating tape at cooling block 62 top down can clip the heat-seal of valveless buffer air cushion product from top to bottom all the time.
In this embodiment, the upper cooling block 61 and the lower cooling block 62 are made of copper having good thermal conductivity. In other embodiments, the upper cooling block 61 and the lower cooling block 62 may be made of other materials with good thermal conductivity, such as aluminum.
Referring to fig. 2, the right end of the inflation rod 21 of the inflation device is provided with a blade 7, the blade 7 and the heat sealing device 3 are respectively positioned at two sides of the inflation rod 21, when the buffer air cushion product moves to the downstream of the heat sealing device 3, the blade 7 can cut off the edge of the inflation channel of the buffer air cushion product, so that the valveless buffer air cushion raw material can continuously move downstream to continuously produce the buffer air cushion product.
Figure 20 schematically illustrates the construction of the valve-less cushion stock used in the present invention.
Referring to fig. 20, the raw material 9 of the valveless buffer air cushion comprises a plurality of air chambers 93, each air chamber 93 is communicated with the air charging channel 91 through a corresponding air inlet 92, the upper portion of the air charging channel 91 is an edge portion 94 for the cutting of the blade 7, the air charging rod 21 of the air charging device is inserted into the air charging channel 91, and the air charging channel 91 guides the movement of the raw material 9 of the valveless buffer air cushion.
Referring to fig. 20, the inflation channel 91 described herein is a transverse common channel for inserting the inflation rod 21 of the inflation device, each air chamber 93 is a longitudinal branch channel, and the choke device blocks the transverse common channel, i.e., the choke device blocks the left and right sides of the inflation channel 91, so that gas can only go into the branch channel (air chamber 93) between the upstream choke device and the downstream choke device to ensure the air pressure in each branch channel (air chamber 93).
Fig. 21 is a schematic view illustrating a state in which the apparatus shown in fig. 2 is used to produce a cushion product.
Referring to fig. 21, the inflating rod 21 of the inflating device is inserted into the inflating channel 91 of the valveless buffer cushion raw material 9, the inflating rod 21 blows compressed air of 0.13MPa or more into the air cavity 93 of the valveless buffer cushion raw material 9, the upstream choke devices (the upper choke wheel a11 and the lower choke wheel a12) and the downstream choke devices (the upper choke wheel B14 and the lower choke wheel B15) block both ends of the inflating channel 91 of the valveless buffer cushion raw material 9, prevent the air flow blown by the inflating rod 21 from leaking out from the inflating channel 91 of the valveless buffer cushion raw material 9, the tension control device 4 increases the tension of the valveless buffer cushion raw material 9 between the tension control device 4 and the heat sealing device 3, the valveless buffer cushion raw material 9 between the tension control device 4 and the heat sealing device 3 is tensioned, the heat sealing device 3 heat-seals the air inlet 92 of the inflated valveless buffer cushion raw material 9, the compressing device 5 synchronously compresses the air inlet 92 of the inflated valveless buffer air cushion raw material 9 to temporarily seal the air cavity 93, so that the air pressure in the valveless buffer air cushion raw material 9 can not extrude the molten state and the insufficiently cooled heat sealing area, the pressure of the air pressure on the heat sealing edge 95 is reduced, the huge pulling force can not be generated on the heat sealing area, the risk of cracking and breaking the air leakage of the heat sealing edge due to the influence on the heat sealing effect is avoided, the buffer air cushion product 10 is formed after the heat sealing of the valveless buffer air cushion raw material 9, the airtight air cavity 101 is formed after the heat sealing of the air cavity 93 on the valveless buffer air cushion raw material 9, when the cushion product 10 moves downstream of the heat sealing device 3, the blade 7 may cut off the edge portion 94 of the air-filled channel 91 of the cushion product 10, so that the valveless cushion material 9 can continuously move downstream to continuously produce the cushion product 10.
Figure 22 schematically illustrates the construction of the cushion product produced by the apparatus shown in figure 21.
Referring to fig. 22, the cushion product 10 is provided with a plurality of closed air chambers 101, and the heat-sealed edges 95 are located between the inflation passage 91 and the closed air chambers 101. The cushion product 10 is not provided with a one-way valve, and the closed air cavity 101 is filled with high-pressure gas with pressure more than or equal to 0.13 MPa.
The device adopts the buffering raw material without the one-way valve, namely the valve-free buffering air cushion raw material, the formed buffering air cushion product is not provided with the one-way valve, high-pressure gas (more than or equal to 0.13MPa) is filled in the buffering air cushion product, the formed buffering air cushion product can be used for buffering heavier and fragile objects, a better protection effect is brought, and the use cost of the buffering air cushion product is saved.
Figure 23 schematically illustrates the cushion product of figure 22 in a condition wherein it is wrapped around a relatively heavy, fragile item.
Referring to fig. 23, the cushion product 10 produced by the apparatus of the present invention is filled with high pressure gas (greater than or equal to 0.13MPa), and the cushion product 10 can be used for cushioning heavier and fragile objects b, and brings better protection effect.
Figure 24 schematically illustrates a process flow for a method of producing a valveless high-pressure buffer air mattress product in accordance with one embodiment of the present invention.
Referring to fig. 24, a method of producing a valveless high pressure buffer air mattress product includes the steps of:
101: the air charging device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the air blocking device blocks an air charging channel of the raw material of the valveless buffer air cushion to prevent air flow in the air charging channel from leaking.
An inflating rod 21 of the inflating device is inserted into an inflating channel on the raw material of the valveless buffer air cushion, the inflating rod 21 blows compressed air with the pressure of more than 0.13MPa into an air cavity on the raw material of the valveless buffer air cushion, and the upstream air blocking device and the downstream air blocking device block two ends of the inflating channel of the raw material of the valveless buffer air cushion to prevent air flow blown out by the inflating rod 21 from leaking out of the inflating channel of the raw material of the valveless buffer air cushion.
102: the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material to seal the air into the air cavity of the valveless buffer air cushion raw material.
When the valveless buffer air cushion raw material filled with enough gas moves to the heat sealing device 3, the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material, the heat sealing device 3 leads the upper layer and the lower layer of the air inlet to be subjected to hot melting through high temperature to generate a heat sealing edge, and the air is sealed in the air cavity of the valveless buffer air cushion raw material, so that the air cavity is changed into a closed air cavity, and a buffer air cushion product is formed.
103: the blade continuously cuts off the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream.
The blade at the downstream of the heat sealing device 3 can cut off the edge of the air inflation channel of the buffer air cushion product, so that the valveless buffer air cushion raw material can continuously move downstream.
104: the valve-free buffer air cushion product is continuously produced.
Figure 25 schematically illustrates a process flow for a method of producing a valveless high-pressure buffer air mattress product according to another embodiment of the present invention.
Referring to fig. 25, a method of producing a valveless high pressure buffer air mattress product includes the steps of:
201: the air charging device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the air blocking device blocks an air charging channel of the raw material of the valveless buffer air cushion to prevent air flow in the air charging channel from leaking.
An inflating rod 21 of the inflating device is inserted into an inflating channel on the raw material of the valveless buffer air cushion, the inflating rod 21 blows compressed air with the pressure of more than 0.13MPa into an air cavity on the raw material of the valveless buffer air cushion, and the upstream air blocking device and the downstream air blocking device block two ends of the inflating channel of the raw material of the valveless buffer air cushion to prevent air flow blown out by the inflating rod 21 from leaking out of the inflating channel of the raw material of the valveless buffer air cushion.
202: the tension control device 4 extrudes the raw material of the valveless buffer air cushion through friction, the tension of the raw material of the valveless buffer air cushion between the tension control device 4 and the heat sealing device 3 is improved, the air inlet of the raw material of the valveless buffer air cushion is flattened, and wrinkles are eliminated.
When the valveless buffer air cushion raw material moves to the tension control device 4, the valveless buffer air cushion raw material enters between the supporting seat 41 and the flattening component of the tension control device 4, the flattening component is pressed against the valveless buffer air cushion raw material at the turning part 411 of the supporting seat 41, along with the movement of the valveless buffer air cushion raw material, the flattening component flattens the air inlet of the valveless buffer air cushion raw material in a friction extrusion mode, under the action of the tension control device 4, the valveless buffer air cushion raw material between the tension control device 4 and the heat sealing device 3 can be tensioned and flattened, so that the valveless buffer air cushion raw material is flattened before entering the heat sealing device 3, wrinkles are prevented from being generated in the heat sealing process, and the risk of air leakage of a buffer air cushion product is reduced.
203: the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material to seal the air into the air cavity of the valveless buffer air cushion raw material.
When the valveless buffer air cushion raw material filled with enough gas moves to the heat sealing device 3, the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material, the heat sealing device 3 leads the upper layer and the lower layer of the air inlet to be subjected to hot melting through high temperature to generate a heat sealing edge, and the air is sealed in the air cavity of the valveless buffer air cushion raw material, so that the air cavity is changed into a closed air cavity, and a buffer air cushion product is formed.
204: the blade continuously cuts off the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream.
The blade at the downstream of the heat sealing device 3 can cut off the edge of the air inflation channel of the buffer air cushion product, so that the valveless buffer air cushion raw material can continuously move downstream.
205: the valve-free buffer air cushion product is continuously produced.
Figure 26 schematically illustrates the flow of a method of producing a valveless high-pressure buffer air mattress product according to a third embodiment of the present invention.
Referring to fig. 26, a method of producing a valveless high pressure buffer air mattress product includes the steps of:
301: the air charging device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the air blocking device blocks an air charging channel of the raw material of the valveless buffer air cushion to prevent air flow in the air charging channel from leaking.
An inflating rod 21 of the inflating device is inserted into an inflating channel on the raw material of the valveless buffer air cushion, the inflating rod 21 blows compressed air with the pressure of more than 0.13MPa into an air cavity on the raw material of the valveless buffer air cushion, and the upstream air blocking device and the downstream air blocking device block two ends of the inflating channel of the raw material of the valveless buffer air cushion to prevent air flow blown out by the inflating rod 21 from leaking out of the inflating channel of the raw material of the valveless buffer air cushion.
302: the tension control device 4 extrudes the raw material of the valveless buffer air cushion through friction, the tension of the raw material of the valveless buffer air cushion between the tension control device 4 and the heat sealing device 3 is improved, the air inlet of the raw material of the valveless buffer air cushion is flattened, and wrinkles are eliminated.
When the valveless buffer air cushion raw material moves to the tension control device 4, the valveless buffer air cushion raw material enters between the supporting seat 41 and the flattening component of the tension control device 4, the flattening component is pressed against the valveless buffer air cushion raw material at the turning part 411 of the supporting seat 41, along with the movement of the valveless buffer air cushion raw material, the flattening component flattens the air inlet of the valveless buffer air cushion raw material in a friction extrusion mode, under the action of the tension control device 4, the valveless buffer air cushion raw material between the tension control device 4 and the heat sealing device 3 can be tensioned and flattened, so that the valveless buffer air cushion raw material is flattened before entering the heat sealing device 3, wrinkles are prevented from being generated in the heat sealing process, and the risk of air leakage of a buffer air cushion product is reduced.
303: the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material to seal air in the air cavity of the valveless buffer air cushion raw material, and meanwhile, the pressing device 5 compresses the air inlet of the inflated valveless buffer air cushion raw material to temporarily seal the inflated air cavity of the valveless buffer air cushion raw material, so that the extrusion of air pressure on a heat sealing edge is reduced.
When the valveless buffer air cushion raw material filled with enough gas moves to the heat sealing device 3, the heat sealing device 3 carries out heat sealing on the gas inlet of the inflated valveless buffer air cushion raw material, the heat sealing device 3 leads the upper layer and the lower layer of the gas inlet to be subjected to hot melting through high temperature to generate a heat sealing edge, and the air is sealed in the air cavity of the valveless buffer air cushion raw material to lead the air cavity to be changed into a closed air cavity, thereby forming a buffer air cushion product;
in the heat-seal process, closing device 5 compresses tightly the air inlet of the valveless buffer air cushion raw materials after aerifing in step, temporarily seals up the air cavity, makes the atmospheric pressure in the valveless buffer air cushion raw materials can not lead to the fact the extrusion to the heat-seal limit, reduces the pressure of atmospheric pressure to the heat banding, can not produce the huge power of dragging to the heat-seal region, avoids influencing the heat-seal effect, produces the heat-seal limit fracture, the risk of gas leakage breaks.
304: the blade continuously cuts the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream.
The blade at the downstream of the heat sealing device 3 can cut off the edge of the air inflation channel of the buffer air cushion product, so that the valveless buffer air cushion raw material can continuously move downstream.
305: the valve-free buffer air cushion product is continuously produced.
Figure 27 schematically illustrates the flow of a fourth embodiment of the method of the present invention for producing a valveless high-pressure buffer air mattress product.
Referring to fig. 27, a method of producing a valveless high pressure buffer air mattress product comprising the steps of:
401: the air charging device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the air blocking device blocks an air charging channel of the raw material of the valveless buffer air cushion to prevent air flow in the air charging channel from leaking.
An inflating rod 21 of the inflating device is inserted into an inflating channel on the raw material of the valveless buffer air cushion, the inflating rod 21 blows compressed air with the pressure of more than 0.13MPa into an air cavity on the raw material of the valveless buffer air cushion, and the upstream air blocking device and the downstream air blocking device block two ends of the inflating channel of the raw material of the valveless buffer air cushion to prevent air flow blown out by the inflating rod 21 from leaking out of the inflating channel of the raw material of the valveless buffer air cushion.
402: the tension control device 4 extrudes the raw material of the valveless buffer air cushion through friction, the tension of the raw material of the valveless buffer air cushion between the tension control device 4 and the heat sealing device 3 is improved, the air inlet of the raw material of the valveless buffer air cushion is flattened, and wrinkles are eliminated.
When the valveless buffer air cushion raw material moves to the tension control device 4, the valveless buffer air cushion raw material enters between the supporting seat 41 and the flattening component of the tension control device 4, the flattening component is pressed against the valveless buffer air cushion raw material at the turning part 411 of the supporting seat 41, along with the movement of the valveless buffer air cushion raw material, the flattening component flattens the air inlet of the valveless buffer air cushion raw material in a friction extrusion mode, under the action of the tension control device 4, the valveless buffer air cushion raw material between the tension control device 4 and the heat sealing device 3 can be tensioned and flattened, so that the valveless buffer air cushion raw material is flattened before entering the heat sealing device 3, wrinkles are prevented from being generated in the heat sealing process, and the risk of air leakage of a buffer air cushion product is reduced.
403: the heat sealing device 3 carries out heat sealing on the air inlet of the inflated valveless buffer air cushion raw material to seal air in the air cavity of the valveless buffer air cushion raw material, and meanwhile, the pressing device 5 presses the air inlet of the inflated valveless buffer air cushion raw material to temporarily seal the inflated air cavity of the valveless buffer air cushion raw material, so that the extrusion of air pressure on a hot sealing edge is reduced.
When the valveless buffer air cushion raw material filled with enough gas moves to the heat sealing device 3, the heat sealing device 3 carries out heat sealing on the gas inlet of the inflated valveless buffer air cushion raw material, the heat sealing device 3 leads the upper layer and the lower layer of the gas inlet to be subjected to hot melting through high temperature to generate a heat sealing edge, and the air is sealed in the air cavity of the valveless buffer air cushion raw material to lead the air cavity to be changed into a closed air cavity, thereby forming a buffer air cushion product;
in the heat-seal process, closing device 5 compresses tightly the air inlet of the valveless buffer air cushion raw materials after aerifing in step, temporarily seals up the air cavity, makes the atmospheric pressure in the valveless buffer air cushion raw materials can not lead to the fact the extrusion to the heat-seal limit, reduces the pressure of atmospheric pressure to the heat banding, can not produce the huge power of dragging to the heat-seal region, avoids influencing the heat-seal effect, produces the heat-seal limit fracture, the risk of gas leakage breaks.
404: the cooling device 6 cools the heat seal of the valveless buffer air cushion product.
The upper cooling block 61 and the lower cooling block 62 of the cooling device 6 can take away heat from the heat-sealed edges of the cushion product, so that the cushion product can be cooled rapidly.
405: the blade continuously cuts off the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream.
The blade at the downstream of the heat sealing device 3 can cut off the edge of the air inflation channel of the buffer air cushion product, so that the valveless buffer air cushion raw material can continuously move downstream.
406: the valve-free buffer air cushion product is continuously produced.
The invention relates to a method for producing a valveless high-pressure buffer air cushion product, which adopts a valveless buffer air cushion raw material, wherein an inflating device blows compressed air with the pressure of more than 0.13MPa into the valveless buffer air cushion raw material, meanwhile, an air blocking device blocks an inflating channel of the valveless buffer air cushion raw material to block air flow from leaking out of the inflating channel of the valveless buffer air cushion raw material, a tension control device 4 can improve the tension of the valveless buffer air cushion raw material between the tension control device 4 and a heat sealing device 3, the valveless buffer air cushion raw material between the tension control device 4 and the heat sealing device 3 is tensioned and flattened to ensure that the valveless buffer air cushion raw material is flattened before entering the heat sealing device 3, thereby avoiding wrinkles generated in the heat sealing process and reducing the risk of air leakage of the buffer air cushion product, then, the heat sealing is carried out on an air inlet of the inflated valveless buffer air cushion raw material by the heat sealing device 3 to generate heat sealing, sealing air into the air cavity of the valveless buffer air cushion raw material to change the air cavity into an airtight air cavity, thereby forming a buffer air cushion product, in the process of heat sealing of the heat sealing device 3, the compressing device 5 synchronously compresses the air inlet of the inflated valveless buffer air cushion raw material to temporarily seal the air cavity, so that the air pressure in the valveless buffer air cushion raw material can not extrude the heat-sealed edge, the pressure of the air pressure on the heat-sealed edge is reduced, the heat-sealed area can not generate huge pulling force, the influence on the heat-sealed effect is avoided, the risk of cracking and breaking air leakage of the heat-sealed edge is generated, the heat-sealed effect is effectively improved, the cooling device 6 at the downstream of the heat sealing device 3 can take away the heat at the heat-sealed edge on the buffer air cushion product, the buffer air cushion product can be rapidly cooled, the formed buffer air cushion product can be used for buffering heavier and fragile objects, and can bring better protection effect, the use cost of the buffer air cushion product is saved, the problem that high-pressure gas (more than or equal to 0.13MPa) cannot be filled into the buffer raw material without the check valve is solved, the high-pressure gas (more than or equal to 0.13MPa) can be filled into the valve-free buffer air cushion raw material, the application range of the existing buffer air cushion finished product is expanded, the production efficiency of the buffer air cushion product is improved, the buffer air cushion product with the check valve on the market can be replaced, the cost of using the buffer material by a client is reduced, and higher use value is brought to the client.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims (18)

1. The device for producing the valveless high-pressure buffer air cushion product is characterized by comprising an air blocking device, an air charging device and a heat sealing device,
the air charging device is used for blowing compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion,
the air blocking device is used for blocking an inflation channel of the raw material of the valveless buffer air cushion and blocking the air flow in the inflation channel from leaking,
the heat sealing device is used for heat sealing the air inlet of the inflated raw material of the valveless buffer air cushion to seal the air into the air cavity of the raw material of the valveless buffer air cushion,
the air choke device is arranged on the air charging device, the heat sealing device is arranged outside the air charging device,
the choke device comprises an upstream choke device and a downstream choke device, the blow hole of the inflation device is positioned between the upstream choke device and the downstream choke device,
the heat-sealing device is arranged outside the inflating device and the downstream air-blocking device, and the inlet of the heat-sealing device is positioned between the upstream air-blocking device and the downstream air-blocking device, so that when the heat-sealing device performs heat sealing on the inflated air cavity, the air cavity is still positioned between the upstream air-blocking device and the downstream air-blocking device.
2. The apparatus for producing a valveless high-pressure buffer air cushion product according to claim 1, wherein said upstream air blocking device comprises an upper air blocking wheel a and a lower air blocking wheel a, the upper air blocking wheel a and the lower air blocking wheel a abut against each other, an air blocking groove a is provided between the upper air blocking wheel a and the lower air blocking wheel a, an air filling rod of the air filling device is inserted into the air blocking groove a, the downstream air blocking device comprises an upper air blocking wheel B and a lower air blocking wheel B, the upper air blocking wheel B and the lower air blocking wheel B abut against each other, an air blocking groove B is provided between the upper air blocking wheel B and the lower air blocking wheel B, and the air filling rod of the air filling device is inserted into the air blocking groove B;
or the upstream air blocking device is an upstream air blocking block, an inflating rod of the inflating device is inserted into the upstream air blocking block, the side part of the upstream air blocking block is provided with an opening A for allowing the valveless buffer air cushion raw material to pass through, the downstream air blocking device is a downstream air blocking block, the inflating rod of the inflating device is inserted into the downstream air blocking block, and the side part of the downstream air blocking block is provided with an opening B for allowing the valveless buffer air cushion raw material to pass through;
or the upstream air blocking device is an upper pressing block A and a lower pressing block A, the upper pressing block A and the lower pressing block A are vertically arranged and abutted together, an inserting groove A for an inflating rod of the inflating device to penetrate through is arranged between the upper pressing block A and the lower pressing block A, the downstream air blocking device is an upper pressing block B and a lower pressing block B, the upper pressing block B and the lower pressing block B are vertically arranged and abutted together, and an inserting groove B for the inflating rod of the inflating device to penetrate through is arranged between the upper pressing block B and the lower pressing block B;
or the upstream air blocking device comprises an upper air blocking wheel A and a lower press block A, the upper air blocking wheel A and the lower press block A are vertically arranged and abutted against each other, an inserting groove C for an inflating rod of the inflating device to pass through is arranged between the upper air blocking wheel A and the lower press block A, the downstream air blocking device comprises an upper air blocking wheel B and a lower press block B, the upper air blocking wheel B and the lower press block B are vertically arranged and abutted against each other, and an inserting groove D for the inflating rod of the inflating device to pass through is arranged between the upper air blocking wheel B and the lower press block B;
or the upstream air blocking device comprises an upper air blocking wheel A and a lower air blocking wheel A, the upper air blocking wheel A and the lower air blocking wheel A abut against each other, an air blocking groove A is formed between the upper air blocking wheel A and the lower air blocking wheel A, an inflating rod of the inflating device penetrates into the air blocking groove A, the downstream air blocking device is a downstream air blocking block, the inflating rod of the inflating device penetrates into the downstream air blocking block, and an opening B for allowing the raw material of the valveless buffer air cushion to pass through is formed in the side portion of the downstream air blocking block.
3. The apparatus of claim 1 further comprising a tension control device disposed upstream of the heat seal device, the tension control device increasing the tension of the raw material of the valveless buffer cushion between the tension control device and the heat seal device by frictional squeezing and flattening the air inlet of the raw material of the valveless buffer cushion.
4. The apparatus for producing a valveless high-pressure buffer air cushion product according to claim 3, wherein the tension control means comprises a supporting base and a flattening member, one end of the flattening member is pressed against the supporting base, when the valveless buffer air cushion material is accommodated between one end of the flattening member and the supporting base, rolling friction or sliding friction is generated between the flattening member and the valveless buffer air cushion material,
the flattening component is close to or far away from the supporting seat, or the other end of the flattening component is fixed.
5. The apparatus of claim 4, wherein the support base is provided with a turn portion, and one end of the flattening member is pressed against the turn portion.
6. The apparatus for producing a valveless high-pressure buffer air cushion product according to claim 4, wherein a horizontal tangent to the end of said support base adjacent to the inlet of the heat seal device is higher than a horizontal plane of the inlet of the heat seal device.
7. The apparatus for producing the valveless high-pressure buffer air cushion product according to claim 4, wherein the flattening member comprises a pressing rod, a flattening wheel, a rotating shaft, a spring A and a connecting rod, the flattening wheel is arranged at one end of the pressing rod and is rotatably connected with the pressing rod, the flattening wheel is pressed against the supporting seat, the other end of the pressing rod is sleeved on the rotating shaft, one end of the connecting rod is sleeved on the rotating shaft, one end of the spring A is arranged at the other end of the connecting rod and is in a deformed state, the other end of the spring A is fixed, the pressing rod and the rotating shaft rotate synchronously, and the connecting rod and the rotating shaft rotate synchronously;
or, the flattening component comprises a flattening wheel, a spring A and a flattening rod, the flattening wheel is arranged at one end of the flattening rod and is rotationally connected with the flattening rod, the flattening wheel is pressed on the supporting seat, one end of the spring A is arranged at the other end of the flattening rod, the spring A is in a deformation state, and the other end of the spring A is fixed.
8. The apparatus for producing the valveless high-pressure buffer air cushion product according to claim 4, wherein the flattening member is a pressing rod, one end of the pressing rod pressed against the supporting seat is arc-shaped, and the other end of the pressing rod is fixed.
9. The apparatus for producing a valveless high-pressure buffer air cushion product as claimed in claim 8, wherein said pressure-resisting rod is made of an elastic material.
10. The apparatus for producing a valveless high-pressure buffer air cushion product according to claim 1, further comprising a compressing device, wherein the compressing device is disposed outside the heat sealing device, and compresses the inlet of the inflated valveless buffer air cushion material when the heat sealing device heat-seals the inlet of the inflated valveless buffer air cushion material.
11. The apparatus for producing a valveless high-pressure buffer air cushion product according to claim 10, wherein said compression means comprises an upper compression block and a lower compression block, the upper compression block and the lower compression block being closer to and farther from each other.
12. The apparatus for producing the valveless high-pressure buffer air cushion product according to claim 11, further comprising an upper fixing block and an air cylinder, wherein one end of the air cylinder is arranged on the upper fixing block, the other end of the air cylinder is arranged on the top of the upper pressing block, and the lower pressing block is fixed;
or the electric iron further comprises an upper fixing block, an electromagnet and a magnet, wherein the electromagnet is arranged on the upper fixing block, the magnet is arranged at the top of the upper pressing block, when the electromagnet is electrified, an iron core of the electromagnet repels the magnet, and the lower pressing block is fixed;
or the device also comprises an upper fixing block and a gas spring, wherein one end of the gas spring is arranged on the upper fixing block, the other end of the gas spring is arranged at the top of the upper pressing block, and the lower pressing block is fixed;
or the hydraulic buffer device also comprises an upper fixed block and a hydraulic buffer, wherein one end of the hydraulic buffer is arranged on the upper fixed block, the other end of the hydraulic buffer is arranged at the top of the upper pressing block, and the lower pressing block is fixed;
or the device also comprises an upper fixing block and a magnetic spring, wherein one end of the magnetic spring is arranged on the upper fixing block, the other end of the magnetic spring is arranged at the top of the upper pressing block, and the lower pressing block is fixed.
13. The apparatus of claim 1 further comprising a cooling device disposed downstream of the heat seal device, the cooling device including an upper cooling block and a lower cooling block, the upper cooling block being disposed in the direction of conveyance of the upper heating belt of the heat seal device, the lower cooling block being disposed in the direction of conveyance of the lower heating belt of the heat seal device, the upper and lower cooling blocks being adjacent to and remote from each other to cool the heat seal of the valveless buffer cushion product.
14. The apparatus for producing a valveless, high-pressure buffer air mattress product according to claim 13, wherein said upper and lower cooling blocks are made of copper or aluminum.
15. A method of producing a valveless high-pressure buffer air cushion product, comprising the steps of:
(a) the inflation device blows compressed air with pressure of more than 0.13MPa into the raw material of the valveless buffer air cushion, and meanwhile, the upstream air blocking device and the downstream air blocking device block an inflation channel of the raw material of the valveless buffer air cushion to prevent air flow in the inflation channel from leaking;
(b) the heat sealing device carries out heat sealing on an air inlet of the inflated valveless buffer air cushion raw material to seal air into an air cavity of the valveless buffer air cushion raw material, and when the heat sealing device carries out heat sealing on the inflated air cavity, the air cavity is positioned between the upstream air blocking device and the downstream air blocking device;
(c) the blade continuously cuts off the edge of an inflation channel of the valveless buffer air cushion product, so that the raw material of the valveless buffer air cushion continuously moves downstream;
(d) the valve-free buffer air cushion product is continuously produced.
16. The method of claim 15 further comprising, between steps (a) and (b), (a '), the steps of (a'): the tension control device extrudes the raw material of the valveless buffer air cushion through friction, the tension of the raw material of the valveless buffer air cushion between the tension control device and the heat sealing device is improved, the air inlet of the raw material of the valveless buffer air cushion is flattened, and wrinkles are eliminated.
17. The method for producing a valveless high-pressure buffer air cushion product according to claim 15, wherein in step (b), the heat sealing device heat seals the inlet of the inflated valveless buffer air cushion material while the pressing device presses the inlet of the inflated valveless buffer air cushion material to temporarily seal the inflated air cavity of the valveless buffer air cushion material and reduce the pressure of the air pressure on the heat seal edge.
18. The method for producing a valveless, high-pressure, buffer-air cushion product according to claim 15, further comprising, between steps (b) and (c), (b '), step (b'): the cooling device cools the heat seal of the valveless buffer air cushion product.
CN202011189892.6A 2020-10-30 2020-10-30 Apparatus and method for producing valveless high-pressure buffer air cushion product Active CN112297520B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102548847A (en) * 2009-05-05 2012-07-04 密封空气公司 Inflatable mailer, apparatus, and method for making the same
CN105083647A (en) * 2014-05-13 2015-11-25 东洋自动机株式会社 Method and device for sealing gas in a gas compartment-equipped bag
CN105465599A (en) * 2015-12-24 2016-04-06 杭州丙甲科技有限公司 Novel inflating structure for airbag inflator
CN205836096U (en) * 2016-07-01 2016-12-28 杭州丙甲科技有限公司 Buffer air cushion machine
CN206569485U (en) * 2015-05-22 2017-10-20 聂会平 Air cushioning body and its inflation system and aerating device and continuous type air buffer body
CN108248926A (en) * 2018-03-05 2018-07-06 厦门艾美森新材料科技股份有限公司 A kind of inflation heat sealing machine
CN207902814U (en) * 2018-03-05 2018-09-25 厦门艾美森新材料科技股份有限公司 A kind of inflation heat sealing machine
CN208630970U (en) * 2018-05-03 2019-03-22 江阴市长泾新达塑料薄膜有限公司 A kind of buffer air cushion machine
WO2020072727A1 (en) * 2018-10-04 2020-04-09 Automated Packaging Systems, Llc Air cushion inflation machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102548847A (en) * 2009-05-05 2012-07-04 密封空气公司 Inflatable mailer, apparatus, and method for making the same
CN105083647A (en) * 2014-05-13 2015-11-25 东洋自动机株式会社 Method and device for sealing gas in a gas compartment-equipped bag
CN206569485U (en) * 2015-05-22 2017-10-20 聂会平 Air cushioning body and its inflation system and aerating device and continuous type air buffer body
CN107406185A (en) * 2015-05-22 2017-11-28 张嘉盈 The inflation method and its inflation system and aerating device of air cushioning body
CN105465599A (en) * 2015-12-24 2016-04-06 杭州丙甲科技有限公司 Novel inflating structure for airbag inflator
CN205836096U (en) * 2016-07-01 2016-12-28 杭州丙甲科技有限公司 Buffer air cushion machine
CN108248926A (en) * 2018-03-05 2018-07-06 厦门艾美森新材料科技股份有限公司 A kind of inflation heat sealing machine
CN207902814U (en) * 2018-03-05 2018-09-25 厦门艾美森新材料科技股份有限公司 A kind of inflation heat sealing machine
CN208630970U (en) * 2018-05-03 2019-03-22 江阴市长泾新达塑料薄膜有限公司 A kind of buffer air cushion machine
WO2020072727A1 (en) * 2018-10-04 2020-04-09 Automated Packaging Systems, Llc Air cushion inflation machine

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