CN220075755U

CN220075755U - Double-side blanking device for packaging bags

Info

Publication number: CN220075755U
Application number: CN202321500195.7U
Authority: CN
Inventors: 陈善友; 蒋芙蓉; 蒋希媛; 蒋文熙; 蒋小东
Original assignee: Chengdu Xinghengtai Printing Co ltd
Current assignee: Chengdu Xinghengtai Printing Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-24
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a bilateral blanking device for a packaging bag, which comprises a frame and a conveying belt, wherein a punching mechanism comprises a punching cylinder, a connecting plate and a punching head, and two punching nails are formed at the bottom of the punching head; the cutting mechanism comprises two connecting blocks sleeved on the supporting rod and arranged in a herringbone manner, and cutting blades are symmetrically arranged on one side of the two connecting blocks opposite to each other; the cutting mechanism comprises a cutting feeding pressing table and a cutting cylinder arranged on the cutting feeding pressing table, a cutter frame is fixedly connected to the pneumatic end of the cutting cylinder, and a cutting knife is fixedly connected to the bottom of the cutter frame. The utility model ensures the stability of the cutting of the packaging bag and the consistency of the width of the packaging bag after the cutting by the two cutting blades, and simultaneously ensures the consistency of the length of the packaging bag by the double cutting mode, thereby ensuring the consistency of the size of the packaging bag after the cutting and avoiding the condition of lower yield caused by adopting the traditional single cutting and single cutting.

Description

Double-side blanking device for packaging bags

Technical Field

The utility model belongs to the technical field of packaging bag printing equipment, and particularly relates to a bilateral blanking device for packaging bags.

Background

At present, when the printed packaging bag is cut and cut, a single cutter is adopted to longitudinally cut the packaging bag from the middle, and then a cutting mechanism of the single cutter is utilized to cut the packaging bag according to the single packaging bag; because the blade that the slitting used is thinner, consequently produce the deviation in the use easily, lead to the wrapping bag side cut of segmentation uneven, finally lead to scrapping, single cutter is when cutting off simultaneously, is difficult for cutting off the easy tear mouth of two wrapping bags to the easy tear mouth that does not cut off needs later stage workman to handle, and is very troublesome.

Disclosure of Invention

The utility model aims to solve the technical problems of the prior art, and provides a double-side cutting device for packaging bags, which adopts double-trimming and double-cutting modes, can effectively improve the stability of cutting materials, and simultaneously improves the consistency and the integrity of each packaging bag after cutting the materials.

The technical scheme adopted by the utility model is as follows: the bilateral blanking device for the packaging bag comprises a frame, wherein conveying rollers are uniformly arranged at the top of the frame along the length direction of the frame, a plurality of conveying belts are uniformly arranged on the conveying rollers along the length direction of the conveying rollers, and a punching mechanism, a slitting mechanism and a cutting mechanism are sequentially distributed above the conveying belts along the conveying direction;

the punching mechanism comprises a punching cylinder, a connecting plate and a punching head, wherein the punching cylinder is fixed above the conveying belt through a fixed mounting plate, the pneumatic end of the punching cylinder passes through the fixed mounting plate and then is connected with the center of the top surface of the connecting plate, the punching head is fixed at the center of the bottom surface of the connecting plate, and two punching nails are formed at the bottom of the punching head;

the slitting mechanism comprises a support rod fixedly connected with the frame, two connecting blocks which are arranged in a herringbone manner are sleeved on the support rod, and slitting blades are symmetrically arranged on one side, opposite to the two connecting blocks, of the support rod;

the cutting mechanism comprises a cutting feeding table, a supporting frame is arranged at the top of one side, far away from the cutting mechanism, of the cutting feeding table, a cutting cylinder is fixedly arranged at the center of the top of the supporting frame, a cutter rest is fixedly connected with the pneumatic end of the cutting cylinder, and a cutting cutter is fixedly connected with the bottom of the cutter rest.

Preferably, the two punching mechanisms are arranged on two sides of the conveying belt in a staggered mode, and the distance between the two punching mechanisms is the width of one packaging bag.

Preferably, the support rod is cylindrical, the connecting block is sleeved on the support rod and can rotate around the support rod, a threaded hole communicated with the support rod is formed in one side, close to the support rod, of the connecting block sleeved on the support rod, and a locking bolt in threaded fit with the threaded hole is arranged in the threaded hole.

Preferably, the bottom of the connecting block is provided with a pressing pad which is horizontally arranged, a groove is formed in the pressing pad at a position corresponding to the cutting blade, and after the cutting blade is fixed with the connecting block, the cutting edge of the cutting blade penetrates through the groove and then extends out of the pressing pad.

Preferably, the cutting mechanism further comprises an adjusting groove, the top of the adjusting groove is connected with the pneumatic end of the cutting cylinder, one side of the adjusting groove is fixedly provided with the adjusting cylinder, the pneumatic end of the adjusting cylinder stretches into the adjusting groove and is connected with an adjusting block, and the bottom of the adjusting block is fixedly connected with the top of the tool rest.

Preferably, a plurality of guide rods which are uniformly distributed are arranged in the adjusting groove along the length direction of the adjusting groove, and the adjusting block is sleeved on the guide rods.

Preferably, the cutting feeding table comprises a bearing table and a pressing table which are connected with the frame respectively, a gap is reserved between the bearing table and the pressing table, the top surface of the bearing table is flush with the surface of the conveying belt, a pressing cylinder is arranged at the top of the pressing table, and the pneumatic end of the pressing cylinder penetrates through the pressing table and is connected with a pressing seat.

Preferably, a receiving groove is further formed in the side, away from the conveying belt, of the bearing platform, a suction hopper is arranged between the receiving groove and the bearing platform, and the bottom of the suction hopper is connected with a suction fan through a material pipe.

Preferably, press rollers are respectively arranged among the punching mechanism, the slitting mechanism and the cutting mechanism on the conveying belt.

The utility model has the beneficial effects that:

(1) Two punching nails are formed on the punching head, when the two adjacent packaging bags are punched, the easy-to-tear openings of the two packaging bags are mutually disconnected, so that the subsequent uniform cutting is facilitated, and the effectiveness of the easy-to-tear openings after the cutting is ensured;

(2) Punching mechanisms are arranged on two sides of the conveying belt in a staggered manner, so that the width of the conveying belt is reduced when two rows of parallel packaging bags are guaranteed to carry out punching work;

(3) The slitting mechanism adopts two herringbone slitting blades, so that two rows of parallel packaging bags can be effectively ensured to be slit, and the consistency of the two rows of packaging bags is ensured after the slitting;

(4) The pressing gasket is arranged at the cutting blade, so that the flatness of the packaging bag during cutting is kept, and meanwhile, the cutting blade can be limited, and the cutting blade is prevented from swinging;

(5) The cutting feeding table is arranged, so that two rows of packaging bags conveyed by the cut conveying belt can be compressed, and a cutting knife can conveniently cut the packaging bags;

(6) The adjusting groove is arranged, double cutting actions can be realized through the adjusting air cylinder, namely, the cutting is performed along the position of the easy-to-tear opening of the packaging bag extending out of the cutting feeding table for the first time, and after the adjusting air cylinder adjusts the position of the cutting knife, the cutting knife cuts along the easy-to-tear opening of the packaging bag pressed on the cutting feeding table for the second time, so that double cutting is completed;

(7) Waste strips generated by double cutting fall between the receiving groove and the bearing platform, and are sucked away for centralized treatment by arranging the suction hopper.

The utility model ensures the stability of the cutting of the packaging bag and the consistency of the width of the packaging bag after the cutting by the two cutting blades, and simultaneously ensures the consistency of the length of the packaging bag by the double cutting mode, thereby ensuring the consistency of the size of the packaging bag after the cutting and avoiding the condition of lower yield caused by adopting the traditional single cutting and single cutting.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a partial schematic view of the severing mechanism of the present utility model.

In the figure: 1. a frame; 2. a conveying roller; 3. a conveyor belt; 4. a punching mechanism; 5. a slitting mechanism; 6. a cutting mechanism; 7. a receiving groove; 8. a suction hopper; 9. a press roller; 41. a punching cylinder; 42. a connecting plate; 43. a punching head; 44. punching nails; 51. a support rod; 52. a connecting block; 53. a slitting blade; 54. a locking bolt; 55. pressing a gasket; 61. cutting off the feeding table; 62. cutting off the cylinder; 63. a tool holder; 64. a cutting knife; 65. an adjustment tank; 66. adjusting a cylinder; 67. an adjusting block; 68. a guide rod; 611. bearing platform; 612. a pressing table; 613. a material pressing cylinder; 614. and (5) pressing a material seat.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Examples

As shown in fig. 1 and fig. 2, the double-sided cutting device for packaging bags provided by the embodiment comprises a frame 1, wherein conveying rollers 2 are uniformly arranged at the top of the frame 1 along the length direction of the frame, a plurality of conveying belts 3 are uniformly arranged on the conveying rollers 2 along the length direction of the conveying rollers 2, and a pressing roller 9 is arranged above the head end of the conveying belts 3 to ensure that the entering packaging bags are smooth; a punching mechanism 4, a slitting mechanism 5 and a cutting mechanism 6 are sequentially distributed above the conveying belt 3 along the conveying direction;

the two punching mechanisms 4 are arranged along the conveying belt 3, the two punching mechanisms 4 are arranged on two sides of the conveying belt 3, the interval between the two punching mechanisms 4 on the conveying belt 3 is the width of one packaging bag, namely when the packaging bag stops, the former punching mechanism 4 punches one side of the parallel packaging bags, the latter punching mechanism 4 punches the other side of the parallel packaging bags, and the two punching mechanisms 4 arranged in a staggered mode are arranged opposite to the two punching mechanisms 4 side by side, so that the width of a conveying production line is effectively reduced; the punching mechanism 4 comprises a punching cylinder 41, a connecting plate 42 and a punching head 43; the fixed mounting plate is fixedly connected through the frame 1, the fixed mounting plate is arranged above one side of the conveying belt 3, the fixed mounting plate is fixedly connected with the punching cylinder 41, the pneumatic end of the punching cylinder 41 downwards passes through the fixed mounting plate and then is connected with the center of the top of the connecting plate 42, the center of the bottom of the connecting plate 42 is connected with the punching head 43, two punching nails 44 are formed at the bottom of the punching head 43, a gap is reserved between the two punching nails 44, and therefore after the two adjacent packaging bags are punched through the easy-tearing openings, the two easy-tearing openings are separated, and the follow-up double-cutting operation is facilitated;

a pressing roller 9 is also arranged between the punching mechanism 4 and the slitting mechanism 5 so as to ensure the flatness of the whole packaging bag in the conveying and processing process;

the slitting mechanism 5 comprises a supporting rod 51 fixedly connected with the frame 1, the supporting rod 51 is a cylindrical rod, two connecting blocks 52 are sleeved in the middle of the supporting rod 51, the two connecting blocks 52 are rectangular blocks, a connecting hole is formed in one corner of each connecting block and is connected with the supporting rod 51, the two connecting blocks 52 are sleeved and are in a herringbone shape, a threaded hole is formed in one side, close to the supporting rod 51, of each connecting block 52, the threaded hole is communicated with the connecting hole of the corresponding connecting rod 51, a locking bolt 54 in threaded fit with the threaded hole is arranged in the threaded hole, a rubber sleeve is sleeved at the bottom end of the locking bolt 54, and after the locking bolt 54 is screwed, the bottom of the locking bolt is abutted against the surface of the supporting rod 51, so that the connecting blocks 52 are prevented from rotating; the slitting blades 53 are symmetrically arranged on opposite sides of the two connecting blocks 52 respectively, the bottom of each connecting block 52 is connected with a horizontal pressing pad 55, the corresponding part of each pressing pad 55 and each slitting blade 53 is provided with an avoidance groove, each slitting blade 53 is positioned in each avoidance groove, the top of each slitting blade is fixedly connected with the side wall of each connecting block 52, the bottom cutting edge of each slitting blade extends out of the bottom of each pressing pad 55, the packaging bag on the conveyor belt 3 is kept smooth during slitting through the corresponding pressing pad 55, so that the slitting effect is improved, meanwhile, the avoidance grooves of the pressing pads 55 limit the slitting blades 53, the thinner slitting blades 53 are prevented from shaking when being stressed during slitting, the extending slitting blades 53 are in contact with the packaging bag on the conveyor belt 3, so that the slitting blades 53 slit the packaging bag when the conveyor belt 3 is conveyed, the two connecting blocks 52 are positioned in the middle part of the conveyor belt 3, and after the angle of each slitting blade 53 is adjusted through the locking bolts 54, the two slitting blades 53 slit the middle parts of the packaging bag side by side, so that the width of each row of packaging bag after slitting is consistent;

the cutting mechanism 6 comprises a cutting feeding table 61 positioned at the tail end of the conveying belt 3, the cutting feeding table 61 comprises a bearing platform 611 and a pressing table 612 which are respectively connected with the frame 1, the surface of the bearing platform 611 is flush with the surface of the conveying belt 3, the pressing table 612 is positioned above the bearing platform 611, a pressing cylinder 613 is arranged at the top of the pressing table 612, and the pneumatic end of the pressing cylinder 613 penetrates through the pressing table 612 and is connected with a pressing seat 614; the cut packaging bags are conveyed by the conveying belt 3 and pass through the bearing platform 611, and before cutting, the packaging bags on the bearing platform 611 are pressed by the pressing seat 614, and then cutting is performed;

a supporting frame is arranged at the top of one side of the pressing table 612, which is far away from the slitting mechanism 5, a cutting cylinder 62 is fixedly arranged at the center of the top of the supporting frame, the pneumatic end of the cutting cylinder 62 is fixedly connected with an adjusting groove 65, a plurality of evenly distributed guide rods 68 are arranged on the adjusting groove 65, an adjusting block 67 which is in sliding fit with the guide rods 68 is connected on the guide rods 68, an adjusting cylinder 66 is fixedly arranged at one side of the adjusting groove 65, and the pneumatic end of the adjusting cylinder 66 stretches into the adjusting groove 65 to be connected with the adjusting block 67; the guide rod 68 is arranged to support the adjusting block 67, so that the adjusting air cylinder 66 is easier to drive the adjusting block 67 to displace, the running stability of equipment is improved, the bottom of the adjusting block 67 is fixedly connected with the top of the tool rest 63, and the bottom of the tool rest 63 is fixedly connected with the cutting-off tool 64;

the side of the bearing platform 611 far away from the conveyer belt 3 is also provided with a receiving groove 7, a suction hopper 8 is arranged between the receiving groove 7 and the bearing platform 611, and the bottom of the suction hopper 8 is connected with a suction fan through a material pipe.

When the printing machine is used, the packaging bag after printing processing is fed onto the conveying belt 3, the conveying belt 3 is controlled by a stepping motor, when the conveying belt 3 stops, the packaging bag at the moment is respectively positioned below two punching devices, a material pressing seat 614 of a cutting mechanism 6 is used for pressing the lower packaging bag, the extruded packaging bag is a complete packaging bag, a cutting knife 64 at the moment is positioned at one side of an adjusting groove 65 far away from a slitting mechanism 5, namely, positioned above the side of the extruded packaging bag which needs to be cut, and is positioned right above the opening edge of a processed easy-to-tear opening, the cutting knife 64 is used for cutting, the packaging bag falls off from a material receiving groove 7 after cutting, the cutting knife 64 at the moment is controlled to move by an adjusting cylinder 66, an adjusting block 67 is moved to one side of the adjusting groove 65 close to the slitting mechanism 5, the cutting knife 64 at the moment is positioned above the outer side of the packaging bag pressed by the material pressing seat 614 and is aligned with the outer easy-to-tear edge of the pressed packaging bag, the cutting knife 64 is cut again to complete double-cutting action, cut waste materials cut off from the gap between the material receiving groove 7 and 611 are fallen from the gap, and the waste materials produced by a lower suction hopper 8 are intensively processed to a waste material box; after the double cutting is finished once, the conveyer belt 3 is displaced by one packing bag distance again, and the double cutting action of the punching and cutting mechanism 6 of the punching device is repeated; in the process of the operation of the conveyor belt 3, the middle part of the displaced packaging bag is cut by the fixed cutting blade 53, the cutting operation is completed, and the cut packaging bag enters the cutting feeding table 61 of the cutting mechanism 6 when the conveyor belt 3 is displaced again.

The foregoing is merely a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present utility model should be covered in the scope of the present utility model.

Claims

1. The utility model provides a bilateral blank device for wrapping bag, includes frame (1), frame (1) top is evenly installed along its length direction and is carried roller (2), carry roller (2) to go up to be provided with several conveyer belt (3) along the length direction of carrying roller (2) evenly, its characterized in that: a punching mechanism (4), a slitting mechanism (5) and a cutting mechanism (6) are sequentially distributed above the conveying belt (3) along the conveying direction;

the punching mechanism (4) comprises a punching cylinder (41), a connecting plate (42) and a punching head (43), wherein the punching cylinder (41) is fixed above the conveying belt (3) through a fixed mounting plate, the pneumatic end of the punching cylinder (41) passes through the fixed mounting plate and then is connected with the center of the top surface of the connecting plate (42), the punching head (43) is fixed at the center of the bottom surface of the connecting plate (42), and two punching nails (44) are formed at the bottom of the punching head (43);

the slitting mechanism (5) comprises a supporting rod (51) fixedly connected with the frame (1), two connecting blocks (52) which are arranged in a herringbone manner are sleeved on the supporting rod (51), and slitting blades (53) are symmetrically arranged on one side, opposite to the two connecting blocks (52);

the cutting mechanism (6) comprises a cutting feeding table (61), a supporting frame is arranged at the top of one side, far away from the cutting mechanism (5), of the cutting feeding table (61), a cutting cylinder (62) is fixedly arranged at the center of the top of the supporting frame, a knife rest (63) is fixedly connected with the pneumatic end of the cutting cylinder (62), and a cutting knife (64) is fixedly connected with the bottom of the knife rest (63).

2. A double sided blanking apparatus for a package as set forth in claim 1 wherein: the punching mechanisms (4) are arranged in two, are respectively installed on two sides of the conveying belt (3) in a staggered mode, and the distance between the two punching mechanisms (4) is the width of a packaging bag.

3. A double sided blanking apparatus for a package as set forth in claim 1 wherein: the support rod (51) is cylindrical, the connecting block (52) is sleeved on the support rod (51) and can rotate around the support rod (51), a threaded hole communicated with the support rod (51) is formed in one side, close to the support rod (51), of the connecting block (52) sleeved on the support rod (51), and a locking bolt (54) in threaded fit with the threaded hole is arranged in the threaded hole.

4. A double sided blanking apparatus for a package according to claim 1 or 3, wherein: the bottom shaping of connecting block (52) has a pressure gasket (55) that the level set up, and it has dodges the groove to open with the position department that corresponds of cutting blade (53) on pressure gasket (55), after cutting blade (53) are fixed with connecting block (52), the blade of cutting blade (53) stretches out pressure gasket (55) after passing dodging the groove.

5. A double sided blanking apparatus for a package as set forth in claim 1 wherein: the cutting mechanism (6) further comprises an adjusting groove (65), the top of the adjusting groove (65) is connected with the pneumatic end of the cutting cylinder (62), an adjusting cylinder (66) is fixedly arranged on one side of the adjusting groove (65), the pneumatic end of the adjusting cylinder (66) stretches into the adjusting groove (65) and is connected with an adjusting block (67), and the bottom of the adjusting block (67) is fixedly connected with the top of the tool rest (63).

6. The double sided blanking device for a package of claim 5, wherein: a plurality of guide rods (68) which are uniformly distributed are arranged in the adjusting groove (65) along the length direction, and the adjusting blocks (67) are sleeved on the guide rods (68).

7. A double sided blanking apparatus for a package according to claim 1, 5 or 6, wherein: cutting off feeding platform (61) is including cushion cap (611) and the platform (612) that are connected with frame (1) respectively, leaves the clearance between cushion cap (611) and the platform (612) and the top surface of cushion cap (611) is parallel and level with conveyer belt (3) surface, press material cylinder (613) are installed at platform (612) top, and the pneumatic end of pressing material cylinder (613) passes platform (612) and is connected with and presses material seat (614).

8. The double sided blanking apparatus for a package of claim 7, wherein: the conveying belt is characterized in that a receiving groove (7) is further formed in the side, far away from the conveying belt (3), of the bearing platform (611), a suction hopper (8) is arranged between the receiving groove (7) and the bearing platform (611), and the bottom of the suction hopper (8) is connected with a suction fan through a material pipe.

9. A double sided blanking apparatus for a package as set forth in claim 1 wherein: and press rollers (9) are respectively arranged among the punching mechanism (4), the slitting mechanism (5) and the cutting mechanism (6) on the conveying belt (3).