CN215701898U

CN215701898U - Wrapping bag cutters

Info

Publication number: CN215701898U
Application number: CN202122233572.2U
Authority: CN
Inventors: 袁让平; 赖全斌; 黄彬彬
Original assignee: Shanyang Automation Equipment Suzhou Co ltd
Current assignee: Shanyang Automation Equipment Suzhou Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-01
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a packaging bag cutter device which comprises a mounting frame, a connecting frame, a cylinder and a mounting plate, wherein a servo lead screw module is fixedly mounted on the front surface of the mounting plate, a fixing plate is fixedly mounted on a sliding table of the servo lead screw module, the front surface of the fixing plate is connected with an elastic cutter device, the elastic cutter device comprises a transverse plate, a connecting plate, springs and a cutting assembly, the two springs are connected between the transverse plate and the connecting plate, and the cutting assembly is mounted in the middle of the connecting plate. According to the utility model, the servo screw rod module is driven to move downwards through the mounting plate by utilizing a setting mode that the air cylinder and the servo screw rod module are matched, and then the fixed plate is driven to move in a translation mode through the servo screw rod module, so that the packaging bag is transversely cut off through the cutting assembly, the mode that the traditional cutter device cuts the bag through the symmetrical motion of the upper steel knife and the lower steel knife is replaced, the phenomenon of bonding after the bag opening is cut is avoided, and the applicability of the device and the yield of products are improved.

Description

Wrapping bag cutters

Technical Field

The utility model relates to the field of cutter devices, in particular to a cutter device for packaging bags.

Background

The cutter device for the packaging bag is arranged on various plastic film and composite film packaging equipment, the packaging material for the packaging machine is mainly a coiled disc-shaped bag, the processes of uncoiling, bag making, bag opening, bag feeding and sealing are needed when the packaging machine is used, the coiled bag is cut into one piece of bag by a cutter when the bag is made, and the bag is cut by the traditional scissor type, an upper steel cutter and a lower steel cutter which move up and down symmetrically.

But current wrapping bag cutters causes plastic film sack and plastic-aluminum composite film sack that a bit is thick because cut the sack through upper and lower steel sword symmetry in the in-service use process and can not normally cut off almost to the sack position bonds easily together, causes the product yields extremely low, and the motion of cutter does not have the buffering yet moreover, and the range of pushing down that may cause the cutter is great because the cutter, and the stress of cutter is great, and causes the damage of cutter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a packaging bag cutter device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the packaging bag cutter device comprises mounting frames, connecting frames, an air cylinder and mounting plates, wherein the connecting frames are connected to the top between the two mounting frames, the air cylinder is fixedly mounted in the middle of the connecting frames, the output end of the air cylinder is in transmission connection with the connecting strips, the mounting plates are fixedly connected to the front faces of the connecting strips, servo lead screw modules are fixedly mounted on the front faces of the mounting plates, fixed plates are fixedly mounted on sliding tables of the servo lead screw modules, and elastic cutter equipment is connected to the front faces of the fixed plates;

the elastic cutter equipment comprises a transverse plate, a connecting plate, springs and a cutting assembly, the transverse plate is fixedly connected with the front face of the fixing plate, the connecting plate is located under the transverse plate, the springs are connected between the transverse plate and the connecting plate, and the cutting assembly is installed in the middle of the connecting plate.

Preferably, the top of spring and the lower fixed surface of diaphragm are connected, the bottom of spring and the upper fixed surface of connecting plate are connected, two the spring is the symmetry setting.

Preferably, the limiting rod is sleeved in the spring in a movable mode, the bottom end of the limiting rod is fixedly connected with the upper surface of the connecting plate, the top end of the limiting rod penetrates through the transverse plate fixedly connected with limiting block, and the top of the limiting rod is connected with the transverse plate in a sliding penetrating mode.

Preferably, the cutting assembly comprises a cutting knife and a threaded rod, the threaded rod is fixedly connected to the top end of the cutting knife, the threaded rod is connected with the middle of the connecting plate in a sliding and penetrating mode, and a nut is sleeved on the threaded rod in a threaded sleeve mode.

Preferably, the bottom between the two mounting brackets is rotatably connected with a first roller, a second roller is arranged below the first roller, and the second roller is rotatably connected with the two mounting brackets.

Preferably, one of them the top fixed mounting of mounting bracket has the motor, the output transmission of motor is connected with the main shaft, the main shaft passes through the bearing and the mounting bracket rotates to alternate and is connected.

Preferably, the main shaft and one end of the second roller are both fixedly connected with belt pulleys, and a belt is arranged between the two belt pulleys.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the servo lead screw module is driven to move downwards through the mounting plate by utilizing a setting mode that the air cylinder and the servo lead screw module are matched, and then the fixed plate is driven to move in a translation manner through the servo lead screw module, so that the packaging bag is transversely cut off through the cutting assembly, a mode that a traditional cutter device cuts a bag through symmetrical motion of an upper steel cutter and a lower steel cutter is replaced, the phenomenon of bonding after the bag opening is cut is avoided, and the applicability of the device and the yield of products are improved;

(2) according to the utility model, by utilizing the arrangement mode of matching the spring and the cutting assembly, when the cutting assembly cuts off the packaging bag, the cutting of the cutting assembly can be buffered through the spring, so that the packaging bag can be cut off, and meanwhile, the cutting assembly can be buffered and protected, and the damage to the cutting assembly is reduced;

(3) according to the utility model, the first roller is used for conveniently pressing down the operation of the packaging bag by the aid of the arrangement mode of matching the first roller with the second roller, so that the packaging bag is smoother during cutting, and the packaging bag between the first roller and the second roller can be fed by the aid of the rotation of the second roller, so that the packaging bag can be fed below the elastic cutter device for cutting.

Drawings

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic diagram of the side structure of the cylinder of the present invention.

Fig. 3 is a schematic side view of the fixing plate according to the present invention.

FIG. 4 is a schematic view of the front structure of the elastic cutter device of the present invention.

FIG. 5 is a schematic view of a cutting assembly according to the present invention.

In the figure: 1. a mounting frame; 2. a connecting frame; 3. a cylinder; 4. mounting a plate; 5. a servo screw rod module; 6. a fixing plate; 7. an elastic cutter device; 71. a transverse plate; 72. a connecting plate; 73. a spring; 74. a cutting assembly; 741. a cutting knife; 742. a threaded rod; 75. a limiting rod; 76. a limiting block; 8. a first drum; 9. a second drum; 10. a belt pulley; 11. a belt; 12. an electric motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a packaging bag cutter device shown in figures 1-5, which comprises mounting frames 1, a connecting frame 2, a cylinder 3 and a mounting plate 4, wherein the connecting frame 2 is fixedly connected to the top between the two mounting frames 1, the cylinder 3 is fixedly arranged in the middle of the connecting frame 2, a fixing plate 6 is conveniently driven to move up and down through the cylinder 3, the output end of the cylinder 3 is in transmission connection with a connecting strip, two ends of the connecting strip are slidably inserted and connected with a round rod, two ends of the round rod are fixedly connected with the mounting frames 1 through fixing blocks, the round rod is convenient for limiting the vertical sliding of the connecting strip, so that the mounting plate 4 can move more stably, the mounting plate 4 is fixedly connected to the front surface of the connecting strip, a servo lead screw module 5 is fixedly arranged on the front surface of the mounting plate 4, the servo lead screw module 5 is convenient for driving the fixing plate 6 to perform horizontal linear motion to realize the cutting of packaging bags, fixed plate 6 is fixedly mounted on the sliding table of servo screw rod module 5, and elastic cutter device 7 is connected to the front surface of fixed plate 6.

The elastic cutter device 7 comprises a transverse plate 71, a connecting plate 72, springs 73 and a cutting assembly 74, wherein the transverse plate 71 is fixedly connected with the front surface of the fixing plate 6, the connecting plate 72 is positioned under the transverse plate 71, the two springs 73 are connected between the transverse plate 71 and the connecting plate 72, the springs 73 are in a compressed state, so that the movement of the connecting plate 72 is buffered, the stress caused by cutting on the cutting knife 741 is reduced, the cutting assembly 74 is installed in the middle of the connecting plate 72, the top ends of the springs 73 are fixedly connected with the lower surface of the transverse plate 71, the bottom ends of the springs 73 are fixedly connected with the upper surface of the connecting plate 72, the two springs 73 are symmetrically arranged, limiting rods 75 are sleeved in the springs 73 in a movable mode, the movement of the connecting plate 72 is limited by the limiting rods 75, so that the connecting plate 72 and the cutting assembly 74 can only vertically move, the movement is more stable, and the bottom ends of the limiting rods 75 are fixedly connected with the upper surface of the connecting plate 72, the top of gag lever post 75 passes diaphragm 71 fixedly connected with stopper 76, is convenient for carry on spacingly to the slip of gag lever post 75 through stopper 76, breaks away from with diaphragm 71 when preventing that gag lever post 75 from sliding, and the top and the diaphragm 71 of gag lever post 75 slide and alternate and be connected.

Cutting assembly 74 includes cutting knife 741 and threaded rod 742, and threaded rod 742 fixed connection is on the top of cutting knife 741, and threaded rod 742 slides with the middle part of connecting plate 72 and alternates and is connected, and the nut has been cup jointed to the screw thread on threaded rod 742, through screwing up the nut for the nut is laminated with connecting plate 72, thereby alright realization is fixed to cutting assembly 74 and the installation of connecting plate 72 relative position, is convenient for the horizontal cutting to the wrapping bag through cutting assembly 74.

A first roller 8 is rotatably connected at the bottom between the two mounting frames 1, a second roller 9 is arranged below the first roller 8, the first roller 8 is convenient for pressing down the operation of the packaging bag, so that the packaging bag is smoother during cutting, and the packaging bag can be automatically rotated by the second roller 9, so that the packaging bag between the first roller 8 and the second roller 9 can be fed, the packaging bag can be fed below the elastic cutter device 7 to be cut, the second roller 9 is rotatably connected with the two mounting frames 1, the top fixed mounting of one of them mounting bracket 1 has motor 12, and the output transmission of motor 12 is connected with the main shaft, and the main shaft passes through the bearing to rotate with mounting bracket 1 and alternates and be connected, and the equal fixedly connected with belt pulley 10 of one end of main shaft and second cylinder 9 is provided with belt 11 between two belt pulleys 10, is convenient for drive second cylinder 9 through motor 12 and rotates.

The cylinder 3, the servo screw rod module 5 and the motor 12 are electrically connected with an external power supply through a first switch, a second switch and a third switch which are externally connected respectively.

The working principle of the utility model is as follows:

in use, firstly, a packaging bag is placed between the first roller 8 and the second roller 9, the motor 12 drives the belt pulley 10 positioned above to rotate through the operation of the motor 12, the belt 11 is connected with the belt 11, the belt 11 drives the other belt pulley 10 to rotate, then, the rotation of the second roller 9 can be realized, the mounting plate 4 is driven to move downwards through the air cylinder 3, the mounting plate 4 drives the servo lead screw module 5 to move downwards, then, the servo lead screw module 5 drives the fixing plate 6 to move in a translation manner, so that the packaging bag is transversely cut through the cutting assembly 74, the mode that the traditional cutter device cuts the packaging bag through the symmetrical movement of the upper steel knife and the lower steel knife is replaced, the phenomenon of bonding after the cutting of the bag opening is avoided, the applicability of the device and the yield of a product are improved, and meanwhile, when the cutting assembly 74 cuts the packaging bag, the spring 73 can buffer the cutting of the cutting assembly 74, so that the cutting assembly 74 can be protected in a buffering mode while the cutting knife 741 cuts off the packaging bag, and the damage to the cutting knife 741 is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Packaging bag cutter device, including mounting bracket (1), link (2), cylinder (3) and mounting panel (4), link (2) are connected at the top between two mounting brackets (1), cylinder (3) fixed mounting is in the middle part of link (2), the output transmission of cylinder (3) is connected with the connecting strip, mounting panel (4) fixed connection is in the front of connecting strip, its characterized in that, the front fixed mounting of mounting panel (4) has servo lead screw module (5), fixed mounting has fixed plate (6) on the slip table of servo lead screw module (5), the front of fixed plate (6) is connected with elasticity cutter equipment (7);

elasticity cutters (7) include diaphragm (71), connecting plate (72), spring (73) and cutting assembly (74), diaphragm (71) and the front fixed connection of fixed plate (6), connecting plate (72) are located diaphragm (71) under, two spring (73) are connected between diaphragm (71) and connecting plate (72), cutting assembly (74) are installed in the middle part of connecting plate (72).

2. The packaging bag cutter device according to claim 1, wherein the top end of the spring (73) is fixedly connected with the lower surface of the transverse plate (71), the bottom end of the spring (73) is fixedly connected with the upper surface of the connecting plate (72), and the two springs (73) are symmetrically arranged.

3. The packaging bag cutter device according to claim 1, wherein a limiting rod (75) is movably sleeved inside the spring (73), the bottom end of the limiting rod (75) is fixedly connected with the upper surface of the connecting plate (72), the top end of the limiting rod (75) penetrates through the transverse plate (71) and is fixedly connected with a limiting block (76), and the top of the limiting rod (75) is slidably inserted and connected with the transverse plate (71).

4. The package cutter device according to claim 1, wherein the cutting assembly (74) comprises a cutting knife (741) and a threaded rod (742), the threaded rod (742) is fixedly connected to the top end of the cutting knife (741), the threaded rod (742) is slidably inserted into the middle of the connecting plate (72), and a nut is sleeved on the threaded rod (742).

5. The packaging bag cutter device according to claim 1, characterized in that a first roller (8) is rotatably connected to the bottom between the two mounting frames (1), a second roller (9) is arranged below the first roller (8), and the second roller (9) is rotatably connected with the two mounting frames (1).

6. The packaging bag cutter device according to claim 1, characterized in that a motor (12) is fixedly mounted at the top of one of the mounting frames (1), the output end of the motor (12) is in transmission connection with a main shaft, and the main shaft is rotatably inserted and connected with the mounting frame (1) through a bearing.

7. The packaging bag cutter device according to claim 6, characterized in that a belt pulley (10) is fixedly connected to each of the main shaft and one end of the second roller (9), and a belt (11) is arranged between the two belt pulleys (10).