Automatic cutting and feeding device for air column film

Abstract

The utility model relates to an automatic air column film cutting and feeding device which is provided with a material waiting end and a material pulling end, and a discharging end of a feeding and cutting machine frame and the material waiting end of a material pulling machine frame are oppositely arranged. A material winding frame used for winding an air column film is fixedly arranged at the feeding end of the feeding and cutting machine frame, a material cutting frame used for cutting the air column film is fixedly arranged at the discharging end of the feeding and cutting machine frame, and a plurality of sets of feeding frames which face the feeding end of the feeding and cutting machine frame and are evenly arranged at the discharging end of the feeding and cutting machine frame are fixedly arranged between the material winding frame and the material cutting frame. A material pulling base block is arranged on the material pulling rack in a sliding mode, a material pulling driving device is fixedly arranged at the material pulling end of the material pulling rack, an extension arm is arranged on the material pulling base block, one end of the extension arm is fixedly arranged on the material pulling base block, the other end of the extension arm extends towards the material cutting rack, and a pneumatic clamping hand is fixedly arranged at the end, extending towards the material cutting rack, of the extension arm. The air column film cutting and feeding device can automatically cut and feed air column films needing to be stacked on other films, and is efficient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of gas column film automatic cutting material feeding device. BACKGROUND

[0002] Air column bag, also known as cushion air column bag or inflatable bag, is a new type of packaging material filled with natural air. Its design aims to provide comprehensive cushioning and shock protection to reduce the loss rate of products during transportation. The air column bag is made of special air-tight film and filled with air to form a series of air columns, similar to an air mattress. When the package is placed in the bag, it is inflated through the inflation valve, causing the air column to expand and form a protective layer around the package, effectively buffering and absorbing external impact to prevent damage to the package during transportation.

[0003] When the air column bag is used for wrapping and transporting objects, the inside is a gas column film part and the outside is an opaque outer packaging film part. These two parts need to be cut and placed on the outer packaging film by manual rolling of the gas column film during processing. This process relies entirely on manual labor, which is time-consuming, labor-intensive and low in efficiency. SUMMARY

[0004] The utility model aims to provide a kind of gas column film automatic cutting material feeding device, can automatically cut material feeding of the gas column film that needs to be stacked on other film, high efficiency and fast.

[0005] The technical scheme to achieve the purpose of the utility model is: the utility model has relatively arranged sending cutting machine frame and pulling material frame;The sending cutting machine frame has a feeding end and a discharging end, and the pulling material frame has a material receiving end and a pulling end, and the discharging end of the sending cutting machine frame and the material receiving end of the pulling material frame are arranged oppositely;A winding frame for winding the gas column film is fixedly arranged on the feeding end of the sending cutting machine frame, and a cutting frame for cutting the gas column film is fixedly arranged on the discharging end of the sending cutting machine frame, a plurality of feeding frames for driving the gas column film to move are fixedly arranged between the winding frame and the cutting frame, and the feeding frames are uniformly arranged from the feeding end of the sending cutting machine frame to the discharging end of the pulling material frame;A sliding groove extending from the material receiving end to the pulling end is arranged on the pulling material frame, a sliding block is slidably arranged in the sliding groove, a pulling base block is fixedly arranged on the sliding block, the pulling base block is slidably arranged on the pulling material frame through the sliding cooperation of the sliding block and the sliding groove, a pulling driving device for driving the pulling base block to slide is fixedly arranged at the pulling end of the pulling material frame, an extension arm having one end fixedly arranged on the pulling base block and the other end extending towards the cutting frame is arranged on the pulling base block, a pneumatic gripper for clamping the gas column film is fixedly arranged on the end of the extension arm extending towards the cutting frame, and the clamping end of the pneumatic gripper and the cutting position of the cutting frame are arranged on the same horizontal line.

[0006] Further, the feeding frame comprises two feeding supports respectively arranged on the two sides of the feeding frame and symmetrically arranged, and the first feeding roller and the second feeding roller arranged on the two feeding supports in an up-down arrangement, the first feeding roller is above the second feeding roller, a feeding channel for the air column film to pass through is formed between the first feeding roller and the second feeding roller, and the feeding frame further comprises a feeding driving device for driving the first feeding roller and the second feeding roller to rotate; the same end of the first feeding roller and the second feeding roller passes through the feeding support arranged rotatably, the driven gear is fixedly arranged on the end of the feeding support through which the first feeding roller and the second feeding roller pass and are arranged rotatably, the driven gear on the first feeding roller and the driven gear on the second feeding roller can be engaged and matched, the driving end of the feeding driving device is fixedly provided with the driving gear which can be engaged and transmitted with the transmission gear, and the first feeding roller and the second feeding roller are fed towards the cutting frame through the driving of the driving end of the feeding driving device, the engaged transmission of the driving gear and the driven gear, and the engaged matching of the two driven gears.

[0007] Further, the cutting frame comprises a cutting gantry fixedly arranged on the feeding frame, a cutting knife slidably arranged on the two sides of the cutting gantry and slidable towards the cutting frame, and a cutting driving device fixedly arranged on the cutting gantry and used for driving the cutting knife to slide, the two sides of the cutting gantry are provided with the sliding grooves in which the two sides of the cutting knife can slide, the cutting knife is slidably arranged on the cutting gantry through the sliding matching with the sliding grooves, the cutting driving device is fixedly arranged on the upper end of the cutting gantry, the driving end of the cutting driving device is fixedly connected with the upper end of the cutting knife, the cutting knife is slidably arranged on the cutting gantry through the driving of the cutting driving device and the sliding matching with the sliding grooves, and the feeding frame is provided with the cutting groove corresponding to the cutting knife and engaged and matched with the cutting knife.

[0008] Further, the cutting knife is arranged on one side of the cutting gantry close to the discharge end of the cutting frame, and a lifting block is fixedly arranged on one side of the cutting gantry close to the feeding end of the cutting frame. The lower end of the lifting block is fixedly arranged on the cutting support, and the two ends of the lifting block are fixedly arranged on the inner walls of the two sides of the cutting gantry. A supporting clamp is fixedly arranged above the lifting block, and the two ends of the supporting clamp are fixedly arranged on the inner walls of the two sides of the cutting gantry. A clamping channel is formed between the supporting clamp and the lifting block, which can guide the horizontal movement of the air column film. The clamping channel and the feeding channel are arranged on the same horizontal line. The air column film moves in a horizontal state through the clamping channel and the feeding channel arranged on the same horizontal line. When the sliding block slides to one end of the sliding groove facing the material end, one end of the extension arm fixedly connected with the pneumatic gripper moves to the inside of the cutting gantry, and the clamping end of the pneumatic gripper corresponds to the clamping channel. When the sliding block slides to one end of the sliding groove facing the pulling end, one end of the extension arm fixedly connected with the pneumatic gripper moves to the material end of the pulling frame, and the clamping end of the pneumatic gripper reaches the position where the air column film is placed.

[0009] Further, the cutting gantry is further provided with an adsorption assembly for adsorbing and lifting the air column film passing through the clamping channel. The adsorption assembly comprises an air extractor fixedly arranged on the cutting gantry, a main pipe in fixed communication with the air extraction end of the air extractor, and a plurality of pipes fixedly connected with the main pipe. The plurality of pipes have a plurality of air extraction openings. Each air extraction opening is located between the cutting groove and the lifting block and is uniformly arranged along the extension direction of the lifting block. Each air extraction opening is arranged from the left side to the right side of the air column film.

[0010] Further, a sliding block is arranged in the sliding groove. The sliding block is arranged on the side of the cutting gantry extending towards the inside of the cutting gantry. A screw hole is arranged on the side of the sliding block extending towards the feeding frame or the pulling frame. A bolt is arranged in screw thread cooperation with the screw hole. A through hole is arranged in the middle of the cutting knife corresponding to the screw hole and in screw thread cooperation with the bolt. The cutting knife is detachably fixedly arranged on the sliding block through the bolt passing through the through hole and the screw thread cooperation of the bolt and the screw hole.

[0011] Further, a clamping groove is arranged on the driving end of the cutting driving device for clamping the upper end of the cutting knife. A threaded hole is arranged on the upper end of the cutting knife corresponding to the through hole. A threaded rod is arranged in screw thread cooperation with the threaded hole. A through hole is arranged on the side wall of the clamping groove for the threaded rod to pass through. The upper end of the cutting knife is detachably fixedly arranged on the driving end of the cutting driving device through the clamping cooperation of the clamping groove and the screw thread cooperation of the threaded hole and the threaded rod. The side of the clamping groove opposite to the threaded hole is arranged on the same plane as the side of the sliding block provided with the screw hole.

[0012] Further, the lower end of the cutting knife is obliquely extended from one side to the other side of the cutting knife.

[0013] The utility model discloses a positive effect has: (1) the utility model discloses a relative arrangement's send cutting rack and draw material rack, and send cutting rack has the feeding end and the discharge end, and draw material rack has the material end and draw material end, and the discharge end of send cutting rack and the material end of draw material rack are relative arrangement, and the feeding end of send cutting rack is fixed with the winding material frame for winding air column film, and the discharge end of send cutting rack is fixed with the cutting material frame for cutting air column film, and the winding material frame and cutting material frame are fixed with a plurality of groups of feeding frame for driving air column film to move from the feeding end of send cutting rack and the discharge end of material rack and even arrange, and the draw material rack is slidably provided with draw material base block, and the draw material end of draw material rack is fixed with draw material driving device for driving draw material base block to slide, and the draw material base block is provided with the extension arm that one end is fixedly arranged on draw material base block and the other end extends to cutting material rack, and the extension arm is fixed with pneumatic gripper for clamping air column film on the end that extends to cutting material rack, and through the cooperation of draw material base block and each part on cutting and sending rack, the air column film that needs to be stacked on other films on cutting and sending rack is automatically cut and fed on air column film through the extension arm and pneumatic gripper of draw material base block, and it is efficient and fast.

[0014] (2) the utility model discloses a feeding frame includes two respectively feeding frame both sides and symmetrically arranged feeding support and the first feeding roller and second feeding roller that two ends are rotatably arranged on two feeding supports and arrange up and down, and the first feeding roller is located above the second feeding roller, and the feeding channel that can supply air column film is formed between the first feeding roller and the second feeding roller, and the feeding frame still includes the feeding drive device for driving the first feeding roller and the second feeding roller to rotate, and through the drive of feeding drive device, the first feeding roller and the second feeding roller convey air column film to cutting frame, and automatically continuously feed air column film.

[0015] (3) the utility model discloses a cutting material frame includes fixedly setting cutting gantry on feeding frame, cutting knife that two ends are slidably arranged on both sides of cutting gantry and can slide to cutting machine frame and cutting drive device that is fixedly arranged on cutting gantry and is used for driving cutting knife to slide, and both sides of cutting gantry are equipped with the slide groove that can slide in both sides of cutting knife, and cutting knife is slidably arranged on cutting gantry through the sliding cooperation with slide groove, and cutting drive device is fixedly arranged on the upper end of cutting gantry, and the drive end of cutting drive device is fixedly connected with the upper end of cutting knife, and through the drive of the drive end of cutting drive device, air column film is cut quickly, and it is convenient for subsequent segmented feeding.

[0016] (4) The cutting knife of the utility model is arranged on the side of the cutting material gantry close to the discharging end of the cutting material frame, lifting blocks are fixedly arranged on the side of the cutting material gantry close to the feeding end of the cutting material frame, the lower end of the lifting block is fixedly arranged on the cutting material support, and the two ends of the lifting block are fixedly arranged on the inner walls of the two sides of the cutting material gantry respectively; a supporting clamp block is fixedly arranged above the lifting block, the two ends of the supporting clamp block are fixedly arranged on the inner walls of the two sides of the cutting material gantry respectively, a clamping channel is formed between the supporting clamp block and the lifting block, the clamping channel can guide the horizontal movement of the air column film, and the problem that the air column film cannot be clamped by the pneumatic clamping hand after being cut due to collapse can be avoided.

[0017] (5) The adsorption assembly comprises an air extractor fixedly arranged on the cutting material gantry, a main pipe fixedly communicated with the air extraction end of the air extractor, and a plurality of pipes fixedly connected with the main pipe; the air column film after being cut can be adsorbed and lifted to a position capable of being clamped by the pneumatic clamping hand through the arrangement of the plurality of pipes towards the air column film and the air extraction of the air extractor, so that the air column film can be accurately pulled onto the outer packaging film. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to make the content of the utility model more easily and clearly understood, the utility model will be further described in detail below according to specific embodiments and in combination with the drawings, in which

[0019] Fig. 1 It is a whole structure schematic view of the utility model;

[0020] Fig. 2 It is a top view of the utility model;

[0021] Fig. 3 It is a front view of the utility model;

[0022] Fig. 4 It is a structure schematic view of the cutting material frame of the utility model.

[0023] In the drawing, the cutting material frame: 1, the material winding frame: 11, the material winding support: 111, the material winding roller: 112, the cutting material frame: 12, the cutting material gantry: 121, the lifting block: 1211, the supporting clamp block: 1212, the cutting knife: 122, the cutting material driving device: 123, the feeding frame: 13, the feeding support: 131, the first feeding roller: 132, the second feeding roller: 133, the feeding driving device: 134, the driven gear: 14, the driving gear: 15, the material pulling frame: 2, the sliding groove: 21, the material pulling base block: 22, the material pulling driving device: 23, the one-way screw rod: 231, the extension arm: 24, the pneumatic clamping hand: 25, the adsorption assembly: 3, the air extractor: 31, the main pipe: 32, the plurality of pipes: 33, the sliding block: 4, the bolt: 5, the screw rod: 6. DETAILED DESCRIPTION

[0024] See Figs. 1 to 4 The utility model discloses a relative arrangement of the material feeding and cutting frame 1 and the material pulling frame 2, the material feeding and cutting frame 1 has the feeding end and the discharge end, and the material pulling frame 2 has the material end and the material pulling end, and the discharge end of the material feeding and cutting frame 1 and the material end of the material pulling frame 2 are arranged oppositely, the feeding end of the material feeding and cutting frame 1 is fixed with the material winding frame 11 for winding the air column film, and the discharge end of the material feeding and cutting frame 1 is fixed with the material cutting frame 12 for cutting the air column film, a plurality of groups of material feeding frames 13 for driving the air column film to move are fixed between the material winding frame 11 and the material cutting frame 12 and are arranged uniformly from the feeding end of the material feeding and cutting frame 1 to the discharge end of the material pulling frame, the material pulling frame 2 is provided with the sliding groove 21 extending from the material end to the material pulling end, the sliding block is slidably arranged in the sliding groove 21, the material pulling base block 22 is fixed on the sliding block, the material pulling base block 22 is slidably arranged on the material pulling frame 2 through the sliding cooperation of the sliding block and the sliding groove 21, the material pulling drive device 23 for driving the material pulling base block 22 to slide is fixed at the material pulling end of the material pulling frame 2, the extension arm 24 with one end fixed on the material pulling base block 22 and the other end extending towards the material cutting frame is arranged on the material pulling base block 22, the pneumatic gripper 25 for clamping the air column film is fixed on the end of the extension arm 24 extending towards the material cutting frame, and the clamping end of the pneumatic gripper 25 and the cutting position of the material cutting frame 12 are arranged on the same horizontal line, the material winding frame 11 includes the material winding support 111 fixed on both sides of the material feeding frame and the material winding roller 112 rotatably arranged on the corresponding side of the material winding support 111.

[0025] The driving end of the above-mentioned material pulling drive device 23 is fixedly connected with the one-way screw rod 231 extending towards the material end of the material pulling frame 2, the screw hole threadedly matched with the one-way screw rod 231 is arranged on the material pulling base block 22, and the material pulling base block 22 is slidably arranged on the material pulling frame 2 through the driving of the material pulling drive device 23, the thread cooperation of the one-way screw rod 231 and the screw hole and the sliding cooperation of the sliding block and the sliding groove 21.

[0026] The feeding frame 13 comprises two feeding supports 131 symmetrically arranged on both sides of the feeding frame, and first and second feeding rollers 132 and 133 rotatably arranged on the two feeding supports 131 and arranged in an upper and lower manner, the first feeding roller 132 is located above the second feeding roller 133, a feeding passage for the air column film to pass through is formed between the first and second feeding rollers 132 and 133, and the feeding frame 13 further comprises a feeding driving device 134 for driving the first and second feeding rollers 132 and 133 to rotate; one end of the first and second feeding rollers 132 and 133 rotatably arranged in the feeding support 131, the first and second feeding rollers 132 and 133 rotatably arranged in the feeding support 131 are both fixedly provided with driven gears 14 on one end thereof, the driven gears 14 on the first and second feeding rollers 132 and 133 are in meshing engagement, the driving end of the feeding driving device 134 is fixedly provided with a driving gear 15 in meshing transmission with the transmission gear, and the first and second feeding rollers 132 and 133 are fed towards the cutting frame 12 through the driving of the driving end of the feeding driving device 134, the meshing transmission of the driving gear 15 and the driven gear 14, and the meshing engagement of the two driven gears 14.

[0027] The cutting frame 12 comprises a cutting gantry 121 fixedly arranged on the feeding frame, a cutting knife 122 slidably arranged on both sides of the cutting gantry 121 and slidable towards the cutting frame, and a cutting driving device 123 fixedly arranged on the cutting gantry 121 and used for driving the cutting knife 122 to slide, both sides of the cutting gantry 121 are provided with sliding grooves for the sliding of both sides of the cutting knife 122, the cutting knife 122 is slidably arranged on the cutting gantry 121 through the sliding cooperation with the sliding grooves, the cutting driving device 123 is fixedly arranged on the upper end of the cutting gantry 121, the driving end of the cutting driving device 123 is fixedly connected with the upper end of the cutting knife 122, the cutting knife 122 is slidably arranged on the cutting gantry 121 through the driving of the cutting driving device 123 and the sliding cooperation with the sliding grooves, and the feeding frame is provided with a cutting groove corresponding to the cutting knife 122 and in plug-in engagement with the cutting knife 122.

[0028] The cutter 122 is arranged on one side of the cutting gantry 121 close to the discharge end of the cutting frame, and the cutting gantry 121 is fixed with a lifting block on the side close to the feeding end of the cutting frame. The lower end of the lifting block is fixed on the cutting support, and the two ends of the lifting block are respectively fixed on the inner walls of the two sides of the cutting gantry 121. A supporting clamp block 1212 is fixed above the lifting block, and the two ends of the supporting clamp block 1212 are respectively fixed on the inner walls of the two sides of the cutting gantry 121. A clamping channel is formed between the supporting clamp block 1212 and the lifting block, which can guide the horizontal movement of the air column film. The clamping channel and the feeding channel are arranged on the same horizontal line, and the air column film moves in a horizontal state through the clamping channel and the feeding channel arranged on the same horizontal line. When the sliding block slides to one end of the sliding groove 21 towards the material end, one end of the extension arm 24 fixedly connected with the pneumatic gripper 25 moves to the inside of the cutting gantry 121, and the clamping end of the pneumatic gripper 25 corresponds to the clamping channel. When the sliding block slides to one end of the sliding groove 21 towards the pulling end, one end of the extension arm 24 fixedly connected with the pneumatic gripper 25 moves to the material end of the pulling frame 2, and the clamping end of the pneumatic gripper 25 reaches the position where the air column film is placed.

[0029] The cutting gantry 121 is also provided with an adsorption assembly 3 for adsorbing and lifting the air column film passing through the clamping channel. The adsorption assembly 3 includes an air extractor 31 fixed on the cutting gantry 121, a main pipe 32 fixedly connected with the air extraction end of the air extractor 31, and a multi-pipe 33 fixedly connected with the main pipe 32. The multi-pipe 33 has a plurality of air extraction openings, each of which is located between the cutting groove and the lifting block and is uniformly arranged along the extension direction of the lifting block. Each air extraction opening is arranged from the left side to the right side of the air column film.

[0030] A sliding block 4 is arranged in the sliding groove, and the sliding block 4 extends towards the inside of the cutting gantry 121. The sliding block 4 is provided with a screw hole on the side towards the feeding frame 13 or the pulling frame 2, and a bolt 5 is arranged to threadedly cooperate with the screw hole. The middle part of the cutter 122 is provided with a through hole corresponding to the screw hole and allowing the bolt 5 to pass through. The cutter 122 is detachably fixed on the sliding block 4 by the bolt 5 passing through the through hole and the threaded cooperation of the bolt 5 and the screw hole.

[0031] The driving end of the cutting material driving device 123 is provided with a clamping groove for clamping the upper end of the cutting knife 122, the upper end of the cutting knife 122 is provided with a threaded hole corresponding to the through hole, and a screw rod 6 is further provided and threadedly connected with the threaded hole, a through hole is further provided in the side wall of the clamping groove and used for allowing the screw rod 6 to pass through, and the upper end of the cutting knife 122 is detachably arranged on the driving end of the cutting material driving device 123 through clamping connection of the clamping groove and threaded connection of the threaded hole and the screw rod 6; the side of the clamping groove, which is opposite to the side provided with the threaded hole, is arranged on the same plane with the side of the sliding block 4 provided with the threaded hole.

[0032] The lower end of the cutting knife 122 is provided with a cutting edge extending from one side to the other side of the cutting knife 122.

[0033] The working principle of the utility model is as follows: the pulling material driving device 23 on the pulling material frame 2 drives the unidirectional screw rod 231 to rotate and the unidirectional screw rod 231 and the threaded hole are threadedly connected to drive the pulling material base block 22 to slide towards the first base, the extension arm 24 on the pulling material base block 22 drives the pneumatic clamping hand 25 to move towards the clamping channel, the pneumatic clamping hand 25 enters the cutting material gantry 121 through the heat sealing gantry on the two sides of the first base and corresponds to the clamping channel, the material winding roller 112 is wound with the air column film, the feeding driving device 134 drives the first feeding roller 132 and the second feeding roller 133 to rotate, the rotating first feeding roller 132 and the second feeding roller 133 drive the air column film to move towards the cutting material frame 12, the air column film enters the clamping channel under the driving of the first feeding roller 132 and the second feeding roller 133, at this time, the feeding driving device 134 stops driving, the air extractor 31 performs air extraction and the air column film is adsorbed through the part of the clamping channel through the main through pipe 32 fixedly communicated with the air extraction end of the air extractor 31 and the multi-through pipe 33 fixedly connected with the main through pipe 32, the pneumatic clamping hand 25 clamps the air column film, after clamping is completed, the feeding driving device 134 continues to drive, and the pulling material driving device 23 drives the pulling material base block 22 to slide towards the pulling material end, when the air column film is pulled by the pneumatic clamping hand 25 to the length consistent with the width of the outer packaging film, the cutting material driving device 123 on the cutting material gantry 121 drives the cutting knife 122 to cut the air column film, then the pneumatic clamping hand 25 reaches the material waiting end of the pulling material frame 2 under the sliding of the pulling material base block 22, the pneumatic clamping hand 25 releases the clamping of the air column film, so that the air column film falls to the required placement position.

[0034] The above embodiment further illustrates the purpose, technical scheme and advantages of the utility model, and it should be understood that the above embodiment is only a specific embodiment of the utility model and is not used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A kind of gas column film automatic cutting material loading device, with the opposite setting of sending cutting frame (1) and pulling material frame (2);It is characterized by: The feeding and cutting frame (1) has a feeding end and a discharging end, the pulling frame (2) has a material receiving end and a pulling end, and the discharging end of the feeding and cutting frame (1) and the material receiving end of the pulling frame (2) are oppositely arranged. A winding frame (11) for winding the air column film is fixedly arranged on the feeding end of the feeding and cutting frame (1), and a cutting frame (12) for cutting the air column film is fixedly arranged on the discharging end of the feeding and cutting frame (1). A plurality of feeding frames (13) for driving the air column film to move are fixedly arranged between the winding frame (11) and the cutting frame (12) and are uniformly arranged from the feeding end of the feeding and cutting frame (1) to the discharging end of the pulling frame. The pulling frame (2) is provided with a sliding groove (21) extending from the material receiving end to the pulling end, a sliding block is slidably arranged in the sliding groove (21), and a pulling base block (22) is fixedly arranged on the sliding block. The pulling base block (22) is slidably arranged on the pulling frame (2) through the sliding cooperation of the sliding block and the sliding groove (21). A pulling driving device (23) for driving the pulling base block (22) to slide is fixedly arranged at the pulling end of the pulling frame (2). The pulling base block (22) is provided with an extension arm (24) having one end fixedly arranged on the pulling base block (22) and the other end extending towards the cutting frame. A pneumatic gripper (25) for clamping the air column film is fixedly arranged on the end of the extension arm (24) extending towards the cutting frame. The clamping end of the pneumatic gripper (25) and the cutting position of the cutting frame (12) are arranged on the same horizontal line.

2. The automatic cutting and feeding device for air column film according to claim 1, characterized in that: The feeding frame (13) includes two feeding supports (131) arranged symmetrically on both sides of the feeding frame and first and second feeding rollers (132) and (133) arranged in upper and lower positions and rotatably arranged on the two feeding supports (131). The first feeding roller (132) is located above the second feeding roller (133). A feeding channel for the air column film is formed between the first and second feeding rollers (132) and (133). The feeding frame (13) further includes a feeding driving device (134) for driving the first and second feeding rollers (132) and (133) to rotate. The first and second feeding rollers (132) and (133) pass through the feeding supports (131) arranged rotatably on one end thereof. A driven gear (14) is fixedly arranged on the end of the first and second feeding rollers (132) and (133) passing through the feeding supports (131) arranged rotatably. The driven gears (14) on the first and second feeding rollers (132) and (133) can be engaged. A driving gear (15) engaged with the transmission gear is fixedly arranged on the driving end of the feeding driving device (134). The air column film is fed towards the cutting frame (12) through the driving of the driving end of the feeding driving device (134), the engagement transmission of the driving gear (15) and the driven gear (14), and the engagement of the two driven gears (14).

3. The automatic cutting and feeding device for air column film according to claim 2, characterized in that: The cutting frame (12) comprises a cutting gantry (121) fixedly arranged on the feeding frame, cutting knives (122) slidably arranged on both sides of the cutting gantry (121) and slidable towards the cutting frame, and a cutting driving device (123) fixedly arranged on the cutting gantry (121) and used for driving the cutting knives (122) to slide, both sides of the cutting gantry (121) are provided with sliding grooves for the sliding of both sides of the cutting knives (122), the cutting knives (122) are slidably arranged on the cutting gantry (121) through the sliding cooperation with the sliding grooves, the cutting driving device (123) is fixedly arranged on the upper end of the cutting gantry (121), the driving end of the cutting driving device (123) is fixedly connected with the upper end of the cutting knives (122), the cutting knives (122) are slidably arranged on the cutting gantry (121) through the driving of the cutting driving device (123) and the sliding cooperation with the sliding grooves, and the feeding frame is provided with a cutting groove corresponding to the cutting knives (122) and capable of being insertedly matched with the cutting knives (122).

4. The automatic cutting and feeding device for air column film according to claim 3, characterized in that: The cutting knives (122) are arranged on the side of the cutting gantry (121) close to the discharging end of the cutting frame, a lifting block is fixedly arranged on the side of the cutting gantry (121) close to the feeding end of the cutting frame, the lower end of the lifting block is fixedly arranged on the cutting support, and the two ends of the lifting block are fixedly arranged on the inner walls of the two sides of the cutting gantry (121), respectively; a supporting clamp block (1212) is fixedly arranged above the lifting block, the two ends of the supporting clamp block (1212) are fixedly arranged on the inner walls of the two sides of the cutting gantry (121), respectively, a clamping channel capable of guiding the horizontal movement of the air column film and passing the air column film is formed between the supporting clamp block (1212) and the lifting block, the clamping channel and the feeding channel are arranged on the same horizontal line, the air column film is in a horizontal state when moving through the clamping channel and the feeding channel arranged on the same horizontal line, when the sliding block slides to one end of the sliding groove (21) towards the feeding end, one end of the extension arm (24) fixedly connected with the pneumatic clamp hand (25) moves to the inside of the cutting gantry (121), and the clamping end of the pneumatic clamp hand (25) corresponds to the clamping channel, when the sliding block slides to one end of the sliding groove (21) towards the pulling end, one end of the extension arm (24) fixedly connected with the pneumatic clamp hand (25) moves to the feeding end of the pulling frame (2), and the clamping end of the pneumatic clamp hand (25) reaches the position where the air column film is to be placed.

5. The automatic cutting and feeding device for air column film according to claim 3, characterized in that: The cutting gantry (121) is further provided with an adsorption assembly (3) for adsorbing and lifting the air column film passing through the clamping channel, the adsorption assembly (3) comprises an air extractor (31) fixedly arranged on the cutting gantry (121), a main pipe (32) fixedly communicated with the air extraction end of the air extractor (31), and a multi-pipe (33) fixedly connected with the main pipe (32), the multi-pipe (33) has a plurality of air extraction openings, each air extraction opening is located between the cutting groove and the lifting block and is arranged along the extension direction of the lifting block, and each air extraction opening is arranged on the left side to the right side of the air column film.

6. The automatic cutting and feeding device for air column film according to claim 3, characterized in that: The sliding block (4) is arranged in the sliding groove, and the sliding block (4) extends to one side of the inside of the cutting material gantry (121). The sliding block (4) is provided with a screw hole on one side of the feeding frame (13) or the material pulling frame (2). A bolt (5) is arranged in the screw hole. The middle part of the cutter (122) is provided with a through hole corresponding to the screw hole and allowing the bolt (5) to pass through. The cutter (122) is detachably arranged on the sliding block (4) through the bolt (5) passing through the through hole and the threaded cooperation of the bolt (5) and the screw hole.

7. The automatic cutting and feeding device for air column film according to claim 6, characterized in that: The driving end of the cutting material driving device (123) is provided with a clamping groove for clamping the upper end of the cutter (122). The upper end of the cutter (122) is provided with a threaded hole corresponding to the through hole. A threaded rod (6) is arranged in the threaded hole. The side wall of the clamping groove is provided with a through hole for the threaded rod (6) to pass through. The upper end of the cutter (122) is detachably arranged on the driving end of the cutting material driving device (123) through the clamping cooperation of the clamping groove and the threaded cooperation of the threaded hole and the threaded rod (6). The side of the clamping groove opposite to the threaded hole is arranged on the same plane as the side of the sliding block (4) provided with the screw hole.

8. The automatic cutting and feeding device for air column film according to claim 3, characterized in that: The lower end of the cutter (122) is provided with a cutting edge extending obliquely from one side of the cutter (122) to the other side.

Images