阅读说明：本技术 用于物流包装的气柱缓冲垫及其充气用阻流机构 (Air column cushion pad for logistics packaging and flow choking mechanism for inflating air column cushion pad ) 是由 赵桂霞 于 2020-11-25 设计创作，主要内容包括：本发明属于电商物流包装技术领域,具体涉及一种用于物流包装的气柱缓冲垫及其充气用阻流机构,包括带状本体,带状本体上平行设置有第一气柱和第二气柱,第一气柱和第二气柱设置有第一延伸段和第二延伸段,带状本体的两侧边缘设有进气道。阻流机构包括输送机构,输送机构边缘外侧设有夹紧机构。本发明的气柱主体部分包裹在圆柱形物料的圆柱面上,而延伸部分则可以向圆柱形物料的端面进行翻折,从而对端面进行防护；本发明的阻流机构能够在下游气柱缓冲垫进行充气时阻止气流进入上游进气道内,从而防止整卷气柱缓冲垫同时膨胀,实现了气柱缓冲垫的逐段、有序充气,优化了工艺流程,提高了包装效率。(The invention belongs to the technical field of e-commerce commodity flow packaging, and particularly relates to an air column cushion for commodity flow packaging and a flow blocking mechanism for inflation of the cushion. The flow resisting mechanism comprises a conveying mechanism, and a clamping mechanism is arranged on the outer side of the edge of the conveying mechanism. The main body part of the air column is wrapped on the cylindrical surface of the cylindrical material, and the extension part can be folded towards the end surface of the cylindrical material, so that the end surface is protected; the flow choking mechanism can prevent airflow from entering an upstream air inlet when a downstream air column cushion is inflated, so that the whole air column cushion is prevented from expanding simultaneously, the air column cushion is inflated section by section and orderly, the process flow is optimized, and the packaging efficiency is improved.)

1. A gas column blotter for logistics packaging which characterized in that: the gas column bending device comprises a strip-shaped body (10), wherein a plurality of first gas columns (11) and second gas columns (12) are arranged on the strip-shaped body (10) in parallel, the length directions of the first gas columns (11) and the second gas columns (12) are parallel to the width direction of the strip-shaped body (10), each first gas column (11) and each second gas column (12) are alternately arranged along the length direction of the strip-shaped body (10), the first gas columns (11) and the second gas columns (12) are respectively provided with first extension sections (111) and second extension sections (121) in opposite directions, the first extension sections (111) are communicated with the first gas columns (11), the second extension sections (121) are communicated with the second gas columns (12), and narrow parts convenient to bend are respectively arranged between the first extension sections (111) and the first gas columns (11) and between the second extension sections (121) and the second gas columns (12); the both sides edge of banded body (10) is equipped with along intake duct (13) that banded body (10) length direction set up, is equipped with the self-sealing strip that supplies gas to one-way passage from intake duct (13) to first extension section (111) and second extension section (121) between two intake ducts (13) and first extension section (111) and second extension section (121) respectively.

2. A flow blocking mechanism for inflating a gas column cushion for logistics packaging as recited in claim 1, wherein: the intermittent air inlet conveying device comprises a conveying mechanism (20) for intermittently conveying a belt-shaped body (10) along the length direction of the belt-shaped body (10), wherein two air inlet channels (13) at the edge of the belt-shaped body (10) are exposed outside the edge of the conveying mechanism (20), a clamping mechanism (30) is arranged outside the edge of the conveying mechanism (20), and when the air inlet channels (13) at the downstream of the clamping mechanism (30) are inflated, the clamping mechanism (30) can clamp the air inlet channels (13) to prevent air flow from entering the air inlet channels (13) at the upstream of the clamping mechanism (30); the clamping mechanism (30) is movably arranged along the length direction of the belt-shaped body (10), and the clamping mechanism (30) can synchronously move along with the length contraction generated when the downstream air column cushion is inflated.

3. The flow blocking mechanism for inflation of claim 2, wherein: the clamping mechanism (30) comprises a first clamping block (31) and a second clamping block (32), the first clamping block (31) and the second clamping block (32) are arranged in an opening and closing mode along the vertical direction, and when the first clamping block (31) and the second clamping block (32) are folded, the first clamping block and the second clamping block can synchronously slide along the length direction of the belt-shaped body (10).

4. The flow blocking mechanism for inflation and inflation of claim 3, wherein: the clamping device also comprises a first clamping wall and a second clamping wall, and a first clamping block (31) and a second clamping block (32) are respectively arranged on the first clamping wall and the second clamping wall; the first clamping wall comprises a first swing rod (33), a second swing rod (34) and a connecting rod (35), one end of the first swing rod (33) and one end of the second swing rod (34) are hinged to a hinged support (36), the other end of the first swing rod (33) and the other end of the second swing rod (34) are hinged to two ends of the connecting rod (35) respectively, the first swing rod (33) is parallel to the second swing rod (34), and the connecting rod (35) is parallel to the connecting lines of the hinged points of the first swing rod (33) and the second swing rod (34) on the hinged support (36), namely the first swing rod (33), the second swing rod (34), the connecting rod (35) and the hinged support (36) form a parallel four-connecting; a first sliding block (37) and a second sliding block (38) are rotatably arranged on the first clamping block (31), the first sliding block (37) is in sliding connection with a first swing rod (33), the second sliding block (38) is in sliding connection with a second swing rod (34), and a connecting line of centers of rotating shafts of the first sliding block (37) and the second sliding block (38) on the first clamping block (31) is parallel to a connecting line of hinge points of the first swing rod (33) and the second swing rod (34) on the hinged support (36); the second clamping wall and the first clamping wall are identical in structure and symmetrically arranged relative to the horizontal plane, when the first swing rod (33) and the second swing rod (34) on the first clamping wall and the second clamping wall swing to be in a horizontal state, the first clamping block (31) and the second clamping block (32) are folded, and at the moment, the first swing rod (33) and the second swing rod (34) are parallel to the length direction of the belt-shaped body (10).

5. The flow blocking mechanism for inflation of claim 4, wherein: the first clamping wall and the second clamping wall are assembled in a way that the folding process of the first clamping wall and the second clamping wall swings towards the downstream of the conveying direction of the belt-shaped body (10); a first pressure spring (331) is arranged between the first sliding block (37) and the first swing rod (33), a second pressure spring (332) is arranged between the second sliding block (38) and the second swing rod (34), and the first pressure spring (331) and the second pressure spring (332) are assembled respectively so that the elastic force of the first pressure spring can drive the first sliding block (37) and the second sliding block (38) to slide towards the direction close to the hinged support (36).

6. The flow blocking mechanism for inflation of claim 4, wherein: the first clamping wall and the second clamping wall are assembled in a way that the folding process of the first clamping wall and the second clamping wall swings to the upstream of the conveying direction of the belt-shaped body (10); a first pressure spring (331) is arranged between the first sliding block (37) and the first swing rod (33), a second pressure spring (332) is arranged between the second sliding block (38) and the second swing rod (34), and the first pressure spring (331) and the second pressure spring (332) are assembled respectively so that the elastic force of the first pressure spring can drive the first sliding block (37) and the second sliding block (38) to slide towards the direction close to the connecting rod (35).

7. The flow blocking mechanism for inflation according to claim 5 or 6, characterized in that: a gear (39) fixedly connected with the first swing rod (33) is arranged on a hinged shaft between the first swing rod (33) and the hinged support (36), and the gears (39) on the first clamping wall and the second clamping wall are meshed with each other to realize synchronous reverse swing of the first swing rod and the second swing rod.

8. The flow blocking mechanism for inflation of claim 7, wherein: a swinging rod (391) which is convexly arranged along the radial direction of the gear (39) is fixedly connected to the rotating shaft of the gear (39) of the first clamping wall or the second clamping wall, a pin rod (392) is arranged on the swinging rod (391), and the axial direction of the pin rod (392) is parallel to the rotating shaft of the gear (39); still include along driving block (302) that banded body (10) length direction activity set up, be equipped with vertical waist type hole on driving block (302), vertical waist type hole and round pin pole (392) slip pin joint, driving block (302) pass through horizontal guide arm (301) and frame sliding connection, conveying mechanism (20) side sets up vertical cylinder (50), is equipped with drive plate (51) on the piston rod of vertical cylinder (50), be equipped with first waist type hole (52) that the slope set up on drive plate (51), the round pin axle sliding connection that sets up on first waist type hole (52) and the horizontal guide arm (301).

9. The flow blocking mechanism for inflation of claim 2, wherein: conveying mechanism (20) are including the two-layer conveyer belt that the interval set up from top to bottom, and the gap between the two-layer conveyer belt constitutes the passageway that is used for carrying banded body (10), and the height in this gap slightly is less than the thickness after banded body (10) aerifys.

10. An automatic inflation system for a gas column cushion, which is characterized in that: comprising the inflation flow prevention mechanism of any one of claims 2 to 9.

Technical Field

The invention belongs to the technical field of E-commerce logistics packaging, and particularly relates to an air column cushion for logistics packaging and a flow blocking mechanism for inflation of the cushion.

Background

With the rapid development of the e-commerce field, the capacity demand of the logistics packaging industry is rapidly increased, the existing packaging process and packaging method are difficult to adapt to the market demand, for example, the packaging of cylindrical materials, the existing technology generally wraps the gas column cushion pad on the outer wall of the material manually, the gas column cushion pad is fixed by using an adhesive tape, and then the goods are loaded into the packaging box one by one manually, so that the working efficiency is low; in addition, the inflation and the segmentation of the air column cushion are also difficult problems, the finished product of the air column cushion is generally a coil material without inflation, so that air inlet channels of all air columns are communicated, and the whole coil is inflated when the air column cushion is restarted, so that the inflated air column cushion is difficult to arrange disorderly, or the air column cushion is separated into a certain length and then inflated one by one, so that the inflation efficiency is too low, and the production efficiency is influenced.

Disclosure of Invention

The invention aims to provide an air column cushion for logistics packaging and a flow choking mechanism for inflation of the air column cushion, which can protect the peripheral surface and the end surface of canned goods and realize the automatic inflation of the air column cushion section by section.

The technical scheme adopted by the invention is as follows:

a gas column cushion pad for logistics packaging comprises a strip-shaped body, wherein a plurality of first gas columns and a plurality of second gas columns are arranged on the strip-shaped body in parallel, the length directions of the first gas columns and the second gas columns are parallel to the width direction of the strip-shaped body, the first gas columns and the second gas columns are alternately arranged along the length direction of the strip-shaped body, the first gas columns and the second gas columns are respectively provided with a first extending section and a second extending section in opposite directions, the first extending sections are communicated with the first gas columns, the second extending sections are communicated with the second gas columns, and narrow parts which are convenient to bend are respectively arranged between the first extending sections and the first gas columns and between the second extending sections and the second gas columns; the both sides edge of banded body is equipped with the intake duct that sets up along banded body length direction, is equipped with the self-sealing strip that supplies gas to one-way passing through from the intake duct to first extension section and second extension section between two intake ducts and first extension section and the second extension section respectively.

The flow blocking mechanism for inflating the air column cushion for logistics packaging comprises a conveying mechanism for intermittently conveying the belt-shaped body along the length direction of the belt-shaped body, wherein two air inlet channels at the edge of the belt-shaped body are exposed at the outer side of the edge of the conveying mechanism; the clamping mechanism is movably arranged along the length direction of the strip-shaped body and can synchronously move along with the length contraction generated when the downstream air column cushion is inflated.

The clamping mechanism comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are arranged in an opening and closing mode along the vertical direction, and the first clamping block and the second clamping block can synchronously slide along the length direction of the belt-shaped body when being folded.

The clamping device further comprises a first clamping wall and a second clamping wall, and the first clamping block and the second clamping block are respectively arranged on the first clamping wall and the second clamping wall; the first clamping wall comprises a first swing rod, a second swing rod and a connecting rod, one end of the first swing rod and one end of the second swing rod are hinged to the hinged support, the other end of the first swing rod and the other end of the second swing rod are hinged to two ends of the connecting rod respectively, the first swing rod is parallel to the second swing rod, and the connecting rod is parallel to the connecting lines of the hinged points of the first swing rod and the second swing rod on the hinged support, namely the first swing rod, the second swing rod, the connecting rod and the hinged support form a parallel four-bar mechanism; a first sliding block and a second sliding block are rotatably arranged on the first clamping block, the first sliding block is connected with a first swing rod in a sliding mode, the second sliding block is connected with a second swing rod in a sliding mode, and a connecting line of the centers of rotating shafts of the first sliding block and the second sliding block on the first clamping block is parallel to a connecting line of hinged points of the first swing rod and the second swing rod on the hinged support; the second clamping wall and the first clamping wall are identical in structure and symmetrically arranged relative to the horizontal plane, when the first swing rod and the second swing rod on the first clamping wall and the second clamping wall swing to the horizontal state, the first clamping block and the second clamping block are folded, and at the moment, the first swing rod and the second swing rod are parallel to the length direction of the belt-shaped body.

The first clamping wall and the second clamping wall are assembled in a way that the folding process of the first clamping wall and the second clamping wall swings towards the downstream of the conveying direction of the belt-shaped body; a first pressure spring is arranged between the first sliding block and the first swing rod, a second pressure spring is arranged between the second sliding block and the second swing rod, and the first pressure spring and the second pressure spring are assembled respectively so that the elastic force of the first pressure spring and the second pressure spring can drive the first sliding block and the second sliding block to slide towards the direction close to the hinged support.

The first clamping wall and the second clamping wall are assembled in a way that the folding process of the first clamping wall and the second clamping wall swings to the upstream of the conveying direction of the belt-shaped body; a first pressure spring is arranged between the first sliding block and the first swing rod, a second pressure spring is arranged between the second sliding block and the second swing rod, and the first pressure spring and the second pressure spring are assembled respectively so that the elastic force of the first pressure spring and the second pressure spring can drive the first sliding block and the second sliding block to slide towards the direction close to the connecting rod.

A gear fixedly connected with the first swing rod is arranged on a hinged shaft between the first swing rod and the hinged support, and the gears on the first clamping wall and the second clamping wall are meshed with each other to realize synchronous reverse swing of the first swing rod and the hinged support.

A swing rod which is arranged along the radial direction of the gear in a protruding mode is fixedly connected to a rotating shaft of the gear of the first clamping wall or the second clamping wall, a pin rod is arranged on the swing rod, and the axis direction of the pin rod is parallel to the rotating shaft of the gear; still include the drive block that sets up along banded body length direction activity, be equipped with vertical waist type hole on the drive block, vertical waist type hole and the pin rod sliding pin joint, drive the block and pass through horizontal guide arm and frame sliding connection, the conveying mechanism side sets up vertical cylinder, is equipped with the drive plate on the piston rod of vertical cylinder, be equipped with the first waist type hole that the slope set up on the drive plate, the round pin axle sliding connection that sets up on first waist type hole and the horizontal guide arm.

Conveying mechanism includes the two-layer conveyer belt that the interval set up from top to bottom, and the gap between the two-layer conveyer belt constitutes the passageway that is used for carrying banded body, and the height in this gap slightly is less than the thickness after the banding body is aerifyd.

An automatic inflation system of a gas column cushion comprises the flow blocking mechanism for inflation.

The invention has the technical effects that: the gas column cushion comprises a main body part and extension parts, wherein the main body part is densely arranged, the extension parts are sparsely arranged at two ends of the main body part, when the gas column cushion is used, the main body part is wrapped on the cylindrical surface of a cylindrical material, the extension parts can be folded towards the end surface of the cylindrical material, so that the end surface is protected, and the gas columns of the extension parts are arranged at large intervals, so that mutual interference is avoided during folding;

the flow choking mechanism can prevent airflow from entering an upstream air inlet channel when a downstream air column cushion is inflated, so that the whole air column cushion is prevented from expanding simultaneously, the air column cushion is inflated section by section and orderly, the process flow is optimized, and the packaging efficiency is improved; in addition, because the downstream air column can contract in the length direction when being inflated, the clamping mechanism is set to be a movable structure, the clamping mechanism can clamp the air inlet channel and can translate downstream along with the contraction of the air column cushion pad, and therefore the air inlet channel and the clamping mechanism are prevented from slipping due to mutual displacement.

Drawings

FIG. 1 is a perspective view of an air column cushion provided by an embodiment of the present invention;

FIG. 2 is a perspective view of an inflation system provided by an embodiment of the present invention;

fig. 3 is a perspective view of a flow blocking mechanism provided by an embodiment of the present invention;

FIG. 4 is a perspective view of an air cap assembly provided by an embodiment of the present invention;

FIG. 5 is a perspective view of an alternative perspective of a nozzle assembly according to an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

An automatic inflation system of an air column cushion is disclosed, as shown in fig. 1, the air column cushion comprises a belt-shaped body 10, a plurality of first air columns 11 and second air columns 12 are arranged on the belt-shaped body 10 in parallel, the length directions of the first air columns 11 and the second air columns 12 are parallel to the width direction of the belt-shaped body 10, each first air column 11 and each second air column 12 are alternately arranged along the length direction of the belt-shaped body 10, the first air columns 11 and the second air columns 12 are respectively provided with a first extending section 111 and a second extending section 121 in opposite directions, the first extending section 111 is communicated with the first air columns 11, the second extending section 121 is communicated with the second air columns 12, and a narrowing part convenient for bending is respectively arranged between the first extending section 111 and the first air columns 11 and between the second extending section 121 and the second air columns 12; the edges of two sides of the belt-shaped body 10 are provided with air inlet channels 13 arranged along the length direction of the belt-shaped body 10, and self-sealing strips for allowing air to pass through from the air inlet channels 13 to the first extension section 111 and the second extension section 121 in one direction are respectively arranged between the two air inlet channels 13 and the first extension section 111 and the second extension section 121. The gas column cushion comprises a main body part and extension parts, wherein the main body part is densely arranged, the extension parts are sparsely arranged at two ends of the main body part, when the gas column cushion is used, the main body part is wrapped on the cylindrical surface of a cylindrical material 1, the extension parts can be folded towards the end surface of the cylindrical material 1, so that the end surfaces are protected, and the extension parts are arranged at large intervals, so that mutual interference is avoided during folding.

As shown in fig. 2, the automatic inflation system comprises a conveying mechanism 20 for intermittently conveying the belt-shaped body 10 along the length direction of the belt-shaped body 10, wherein a feeding end of the conveying mechanism 20 is provided with an air column cushion coil discharging roller 201; the two air inlet channels 13 at the edge of the belt-shaped body 10 are exposed outside the edge of the conveying mechanism 20, and a flow blocking mechanism and a nozzle assembly 40 are sequentially arranged at the side of the conveying mechanism 20 along the conveying direction.

As shown in fig. 3, the choke mechanism includes a clamping mechanism 30, and the clamping mechanism 30 can clamp the intake passage 13 to prevent the air from entering the intake passage 13 upstream of the clamping mechanism 30 when the intake passage 13 downstream of the clamping mechanism 30 is inflated; the clamping mechanism 30 is movably disposed along the length direction of the belt-shaped body 10, and the clamping mechanism 30 can be synchronously moved along with the length contraction generated when the downstream air column cushion is inflated. The flow blocking mechanism can prevent airflow from entering the upstream air inlet 13 when the downstream air column cushion is inflated, so that the whole roll of air column cushion is prevented from expanding simultaneously, the air column cushion is inflated section by section and orderly, the process flow is optimized, and the packaging efficiency is improved; in addition, because the downstream air column contracts in the length direction when being inflated, the clamping mechanism 30 is arranged into a movable structure, the clamping mechanism 30 can clamp the air inlet channel 13 and can translate downstream along with the contraction of the air column cushion pad, and therefore slipping of the air inlet channel 13 and the clamping mechanism 30 due to mutual displacement is avoided.

As shown in fig. 4 and 5, the air nozzle assembly 40 includes an air nozzle 41, the air nozzle 41 is located on the movement path of the air inlet channel 13, the axial direction of the air nozzle 41 is parallel to the length of the air inlet channel 13, the blowing direction of the air nozzle 41 is set toward the direction of the material coming from the strip-shaped body 10, the upper and lower sides of the outer wall of the air nozzle 41 are provided with vertical cutters 44, the upper and lower sides of the air nozzle 41 are provided with sealing mechanisms for clamping the air inlet channel 13, the air inlet channel 13 is sleeved on the air nozzle 41 during inflation, the air inlet channel 13 is clamped on the outer wall of the air nozzle by the sealing mechanisms, the air inlet channel 13 is loosened after inflation is completed, the conveying mechanism 20 conveys the strip-shaped body 10 to the downstream, at this time, the vertical cutters 44 split the, the charging nozzle 41 is always retained in the intake duct 13 for charging the next section. In order to avoid repeated plugging between the charging connector 41 and the air inlet 13, the inflated air passage is directly cut off, so that the charging connector 41 can be always retained at the end of the air inlet 13, no adverse effect is caused on the normal use of the air column cushion after the air inlet 13 is inflated, and on the contrary, the edge of the air column cushion after the air inlet 13 is cut off is narrower in useless width, thereby being more beneficial to subsequent turnover and boxing.

Specifically, as shown in fig. 3, the clamping mechanism 30 includes a first clamping block 31 and a second clamping block 32, the first clamping block 31 and the second clamping block 32 are opened and closed along a vertical direction, and when the first clamping block 31 and the second clamping block 32 are closed, the first clamping block 31 and the second clamping block can synchronously slide along a length direction of the belt-shaped body 10; the clamping device further comprises a first clamping wall and a second clamping wall, and a first clamping block 31 and a second clamping block 32 are respectively arranged on the first clamping wall and the second clamping wall; the first clamping wall comprises a first swing rod 33, a second swing rod 34 and a connecting rod 35, one end of the first swing rod 33 and one end of the second swing rod 34 are hinged to a hinged support 36, the other end of the first swing rod 33 and the other end of the second swing rod 34 are hinged to two ends of the connecting rod 35 respectively, the first swing rod 33 is parallel to the second swing rod 34, and the connecting rod 35 is parallel to the connecting line of the hinged points of the first swing rod 33 and the second swing rod 34 on the hinged support 36, namely the first swing rod 33, the second swing rod 34, the connecting rod 35 and the hinged support 36 form a parallel four-bar; a first sliding block 37 and a second sliding block 38 are rotatably arranged on the first clamping block 31, the first sliding block 37 is in sliding connection with the first swing rod 33, the second sliding block 38 is in sliding connection with the second swing rod 34, and a connecting line of the centers of rotating shafts of the first sliding block 37 and the second sliding block 38 on the first clamping block 31 is parallel to a connecting line of hinge points of the first swing rod 33 and the second swing rod 34 on the hinge support 36; the second clipping wall has the same structure as the first clipping wall and is symmetrically arranged about the horizontal plane, when the first swing link 33 and the second swing link 34 on the first clipping wall and the second clipping wall both swing to the horizontal state, the first clipping block 31 is folded with the second clipping block 32, and at the moment, the first swing link 33 and the second swing link 34 are parallel to the length direction of the belt-shaped body 10.

As shown in fig. 3, as one embodiment of the present invention, the first clamping wall and the second clamping wall are assembled such that the closing process is swinging downstream in the conveying direction of the belt-shaped body 10; a first pressure spring 331 is arranged between the first slider 37 and the first swing link 33, a second pressure spring 332 is arranged between the second slider 38 and the second swing link 34, and the first pressure spring 331 and the second pressure spring 332 are respectively assembled so that the elastic force thereof can drive the first slider 37 and the second slider 38 to slide towards the direction close to the hinged support 36. Referring to fig. 3, in the present embodiment, when the first clamping block 31 and the second clamping block 32 are folded, both of them are located at one end close to the hinge support 36, that is, the left end in fig. 3, when the air column cushion downstream of the clamping mechanism 30 inflates, the first clamping block 31 and the second clamping block 32 are pulled downstream due to the contraction of the air column cushion to compress the first compression spring 331 and the second compression spring 332, after inflation is finished, the first clamping block 31 and the second clamping block 32 are separated, and at this time, the first clamping block 31 and the second clamping block 32 return to the end where the hinge support 36 is located under the action of the first compression spring 331 and the second compression spring 332 to achieve resetting of both.

As another embodiment of the present invention, the first and second chuck walls are assembled such that the closing process is swinging upstream in the conveying direction of the belt-like body 10; a first pressure spring is arranged between the first slider 37 and the first swing rod 33, a second pressure spring is arranged between the second slider 38 and the second swing rod 34, and the first pressure spring and the second pressure spring are respectively assembled so that the elasticity of the first pressure spring and the second pressure spring can drive the first slider 37 and the second slider 38 to slide towards the direction close to the connecting rod 35.

Further, a gear 39 fixedly connected with the first swing rod 33 is arranged on a hinged shaft between the first swing rod 33 and the hinged support 36, and the gear 39 on the first clamping wall and the gear 39 on the second clamping wall are meshed with each other to realize synchronous reverse swing of the first clamping wall and the second clamping wall; a swinging rod 391 protruding along the radial direction of the gear 39 is fixedly connected to the rotating shaft of the gear 39 of the first clamping wall or the second clamping wall, a pin 392 is arranged on the swinging rod 391, and the axial direction of the pin 392 is parallel to the rotating shaft of the gear 39; the belt-shaped body conveying mechanism is characterized by further comprising a driving block 302 movably arranged along the length direction of the belt-shaped body 10, wherein a vertical waist-shaped hole is formed in the driving block 302 and is in sliding pivot connection with a pin 392, the driving block 302 is in sliding connection with the frame through a horizontal guide rod 301, a vertical air cylinder 50 is arranged beside the conveying mechanism 20, a driving plate 51 is arranged on a piston rod of the vertical air cylinder 50, a first waist-shaped hole 52 obliquely arranged is formed in the driving plate 51, and the first waist-shaped hole 52 is in sliding connection with a pin shaft arranged on the horizontal guide rod 301. The first clamping wall is driven to swing by the air cylinder, and the first clamping wall and the second clamping wall are meshed through the gear 39 to realize synchronous and reverse swinging of the first clamping wall and the second clamping wall.

As shown in fig. 4, the charging connector 41 is fixed on the frame beside the conveying mechanism 20, the sealing mechanism includes a first pressing block 421 and a second pressing block 422 which are arranged on the frame in a sliding manner along the radial direction of the charging connector 41, the first pressing block 421 and the second pressing block 422 are respectively arranged on two sides of the charging connector 41, and the first pressing block 421 and the second pressing block 422 are provided with grooves which are matched with the contour of the outer wall of the charging connector 41; the frame is provided with a driving member for driving the first pressing block 421 and the second pressing block 422 to open and close, the driving member comprises a pushing block 45, the pushing block 45 is connected with the frame in a sliding manner along the horizontal direction, the pushing block 45 is provided with two inclined bar holes 451 distributed in a splayed manner, the first pressing block 421 and the second pressing block 422 are provided with pins 423, and the two pins 423 are respectively matched with the two inclined bar holes 451 in a sliding manner; the pushing block 45 is connected with the frame in a sliding mode through a horizontal sliding rod 46, a second waist-shaped hole 53 which is obliquely arranged is formed in the driving plate 51, and the second waist-shaped hole 53 is in sliding fit with a sliding pin which is arranged on the horizontal sliding rod 46. The invention adopts one air cylinder to drive the sealing mechanism and the clamping mechanism 30 to act simultaneously, thereby simplifying the structure of the equipment and synchronizing the action processes of the sealing mechanism and the clamping mechanism, and avoiding a redundant electric control process.

Further, an air valve 48 for controlling the on-off of the air flow of the charging nozzle 41 is further arranged on the machine frame, a linkage unit is arranged between the air valve 48 and the sealing mechanism, the linkage unit is assembled in such a way that the air valve 48 is automatically opened after the air inlet 13 is clamped by the sealing mechanism, and the air valve 48 is closed before the air inlet 13 is loosened by the sealing mechanism; specifically, as shown in fig. 5, the linkage unit includes a trigger plate 43, the trigger plate 43 is in blocking contact with a valve core of an air valve 48, the trigger plate 43 is fixedly connected with a horizontal sliding rod 46, a push block 45 is slidably connected with the horizontal sliding rod 46, a third compression spring 47 is arranged between the push block 45 and the horizontal sliding rod 46, the third compression spring 47 is assembled such that the elastic force thereof can drive the push block 45 to slide in a direction approaching the trigger plate 43, when the vertical cylinder 50 drives the horizontal sliding rod 46 to approach the air valve 48, the horizontal sliding rod 46 drives the push block 45 to move through the third pressure spring 47, the push block 45 drives the first press block 421 and the second press block 422 to fold, the push block 45 is blocked after the first press block 421 and the second press block 422 are folded, at the moment, the horizontal sliding rod 46 continues to approach the air valve 48 and compresses the third pressure spring 47 until the trigger plate 43 pushes the valve core of the air valve 48 to an opening position, and a spring for driving the valve core to close is arranged in the air valve 48. The invention realizes the delayed opening and the advanced closing of the charging connector 41 by utilizing the linkage unit, does not need to carry out redundant control on the gas circuit, further simplifies the structure of the equipment and improves the response speed of the equipment.

Further, as shown in fig. 2, a collecting unit for collecting the leftover materials of the cut air inlet channel 13 is further arranged beside the conveying mechanism 20; the collection unit includes recovery roller 202 and guide bar 203, recovery roller 202 rotates to set up in the frame and be equipped with the drive in the frame and retrieve roller 202 pivoted drive element, guide bar 203 sets up at conveying mechanism 20 side, and guide bar 203 level sets up and becomes 45 contained angles with the length direction of banded body 10 and sets up, and the leftover bits that intake duct 13 cut off are walked around behind guide bar 203 and are convoluteed on recovery roller 202.

Preferably, the conveying mechanism 20 comprises two layers of conveying belts arranged at an upper interval and a lower interval, a gap between the two layers of conveying belts forms a channel for conveying the belt-shaped body 10, and the height of the gap is slightly smaller than the thickness of the belt-shaped body 10 after inflation, so that the air column cushion can be clamped by the two layers of conveying belts after inflation and can be stably conveyed downstream.

Example 2

A method of inflating the gas column cushion of example 1, comprising the steps of:

step 1: fixing the air column cushion coil on the discharging roller 201, and moving out the end part of the coil and laying the coil on the conveying mechanism 20; a flow blocking mechanism and an air nozzle assembly 40 are sequentially arranged beside the conveying mechanism 20 along the conveying direction;

step 2: inserting the end of the air inlet 13 into the air nozzle assembly 40;

and step 3: the sealing mechanism clamps the air inlet channel 13 on the outer wall of the air nozzle;

and 4, step 4: the sealing mechanism clamps the air inlet 13, and the flow blocking mechanism clamps the air inlet 13;

and 5: after the clamping mechanism 30 and the sealing mechanism clamp, the valve of the charging connector 41 is opened, and at the moment, the section of the gas column cushion between the clamping mechanism 30 and the sealing mechanism is charged;

step 6: after the inflation is finished, the valve of the inflation nozzle 41 is closed, the sealing mechanism and the clamping mechanism 30 loosen the air inlet channel 13, the conveying mechanism 20 conveys the belt-shaped body 10 to feed downstream, at the moment, the vertical cutter 44 splits the air inlet channel 13 on the section which is already inflated so as to avoid the support structure of the inflation nozzle 41, and the inflation nozzle 41 is always retained in the air inlet channel 13;

and 7: when the area of the air inlet channel 13 clamped by the clamping mechanism 30 in the step 4 reaches the inflating nozzle 41, the conveying mechanism 20 stops, and the steps 3 to 6 are repeated again, so that the continuous inflation of the air column cushion coil is realized.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.