CN214139244U

CN214139244U - Sealing and cutting structure of plastic packaging machine

Info

Publication number: CN214139244U
Application number: CN202023165063.2U
Authority: CN
Inventors: 林嘉珣
Original assignee: Dazhou Xinyan Xiamen Biological Technology Co ltd
Current assignee: Dazhou Xinyan Xiamen Biological Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-07
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a sealing and cutting structure of a plastic packaging machine, which comprises a frame, a cutting device and a conveying device; the conveying device is arranged at the upper end of the rack; the cutting device comprises a fixed cutter bar, a heating device, a movable cutter bar, a mounting frame and a driving device; the fixed cutter bar and the movable cutter bar are both L-shaped; the fixed cutter bars are fixed at the feed end and one side of the conveying device; the heating device is connected with the fixed cutter bar; the mounting frame is rotatably connected with the upper end of the rack through a mounting seat; the movable cutter bar is arranged at the lower end of the mounting frame through a plurality of connecting pieces; the connecting piece comprises a connecting screw rod and two connecting nuts; the lower end of the connecting screw is fixedly connected with the movable cutter bar, the upper end of the connecting screw penetrates through the mounting frame, and the connecting nuts are respectively arranged on the connecting screws on the two sides of the mounting frame; the driving device drives the mounting frame to swing back and forth to close or open the movable cutter strip and the fixed cutter strip so as to carry out sealed cutting on the plastic film.

Description

Sealing and cutting structure of plastic packaging machine

Technical Field

The utility model relates to a equipment for packing technical field, specific structure is cut to sealing of plastic packaging machine that says so.

Background

During the production process, a plastic film is often required to be wrapped outside the article to protect the article from being wetted or worn. After the plastic film is coated outside the article, a sealing and cutting structure is usually needed to cut off the redundant plastic film and seal the cut of the plastic film. In order to keep better cutting and sealing effects, the existing sealing and cutting structure of the plastic packaging machine has high installation and operation requirements, professional personnel are often required to debug for a long time, and the production cost is higher.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure is cut in sealing of plastic packaging machine, this structure is cut in sealing of plastic packaging machine pass through the reciprocal swing of drive arrangement drive installing frame, with movable sword strip and fixed sword strip closed or open, carry out the sealed cutting on adjacent limit to the plastic film of cladding outside article, and can adjust the mounting height of movable sword strip according to coupling nut, easy operation is convenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sealing and cutting structure of a plastic packaging machine comprises a frame, a cutting device and a conveying device; the conveying device is arranged at the upper end of the rack; the cutting device comprises a fixed cutter bar, a heating device, a movable cutter bar, a mounting frame and a driving device; the fixed cutter bar and the movable cutter bar are both L-shaped; the fixed cutter bars are fixed at the feed end and one side of the conveying device; the heating device is connected with the fixed cutter bar and heats the fixed cutter bar through the heating device; the mounting frame is rotatably connected with the upper end of the rack through a mounting seat; the movable cutter bar is arranged at the lower end of the mounting frame through a plurality of connecting pieces; the connecting piece comprises a connecting screw rod and two connecting nuts; the lower end of the connecting screw is fixedly connected with the movable cutter bar, the upper end of the connecting screw penetrates through the mounting frame, and the connecting nuts are respectively arranged on the connecting screws on the two sides of the mounting frame; the driving device drives the mounting frame to swing back and forth to close or open the movable cutter strip and the fixed cutter strip so as to carry out sealed cutting on the plastic film coated outside the article.

Further, the mounting seat comprises a mounting block, a rotating shaft and a mounting bolt; the mounting block is provided with a mounting chute along the direction perpendicular to the transmission direction of the conveying device, and a mounting bolt penetrates through the mounting chute to be in threaded connection with the rack so as to lock the mounting block on the rack; one end of the rotating shaft is rotatably connected with the mounting block, and the other end of the rotating shaft is fixedly connected with the mounting frame.

Further, a collecting device for collecting residual plastic films is arranged on the machine frame; the collecting device comprises a collecting motor and a take-up pulley; the collecting motor is fixed on the frame; the take-up pulley is fixed on an output shaft of the collecting motor, and the residual plastic film is wound on the take-up pulley.

Furthermore, a belt guide roller is rotatably arranged on the rack, and the residual plastic film bypasses the belt guide roller and is wound on the belt take-up wheel.

Furthermore, the driving device comprises a sealing and cutting motor, a swing rod and a connecting rod; the sealing and cutting motor is fixed on the frame; one end of the swing rod is fixedly connected with the side wall of an output shaft of the seal cutting motor, and the other end of the swing rod is hinged with the lower end of the connecting rod; the upper end of the connecting rod is hinged with the mounting frame, and the movable cutter strip and the fixed cutter strip are driven to close or open in a reciprocating mode through the sealing and cutting motor.

Furthermore, the heating device is a heating rod, and the heating rod is fixed at the lower end of the fixed knife strip.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

1. the utility model relates to a structure is cut in sealing of plastic packaging machine drives the reciprocating swing of installing frame through drive arrangement, with movable sword strip and fixed sword strip closed or open, carries out the sealed cutting on adjacent limit to the plastic film of cladding outside article, and can adjust the mounting height of movable sword strip according to coupling nut, easy operation is convenient.

2. The utility model relates to a structure is cut to encapsulation of plastic packaging machine can dismantle the installing frame through construction bolt and fix in the frame, the installation of the equipment of being convenient for, overhaul or dismantle.

3. The utility model relates to a structure is cut to sealing of plastic packaging machine drives the take-up pulley through collecting the motor and rotates, can twine the residual plastic film after the cutting, is difficult for leading to residual plastic film winding equipment to with the remaining plastic film of centralized processing.

4. The utility model relates to a structure is cut in sealing of plastic packaging machine, through sealing the reciprocal movable sword strip of drive of cutting motor and fixed sword strip closed or open, sustainable cutting the adjacent limit of plastic film, can improve the efficiency is cut in sealing of article.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic perspective view of the front end frame of the present invention when not installed;

fig. 3 is a schematic view of the sealing and cutting structure of the plastic film of the present invention.

The reference numbers in the figures denote:

1. a frame; 2. a cutting device; 20. fixing the cutter bar; 21. a heating device; 22. a movable blade; 23. installing a frame; 24. a drive device; 240. sealing and cutting the motor; 241. a swing rod; 242. a connecting rod; 25. a mounting seat; 250. mounting blocks; 2500. installing a chute; 251. a rotating shaft; 252. installing a bolt; 26. a connecting member; 260. connecting a screw rod; 261. a connecting nut; 3. a conveying device; 4. a collection device; 40. collecting the motor; 41. a belt retracting wheel; 42. a tape guide roller; 5. a plastic film; 6. an article.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, a sealing and cutting structure of a plastic packaging machine includes a frame 1, a cutting device 2 and a conveying device 3; the conveying device 3 is arranged at the upper end of the frame 1; the cutting device 2 comprises a fixed cutter bar 20, a heating device 21, a movable cutter bar 22, a mounting frame 23 and a driving device 24; the fixed cutter bar 20 and the movable cutter bar 22 are both L-shaped; the fixed cutter bars 20 are fixed at the feed end and one side of the conveying device 3; the heating device 21 is connected with the fixed cutter bar 20, and the fixed cutter bar 20 is heated by the heating device 21; the mounting frame 23 is rotatably connected with the upper end of the frame 1 through a mounting seat 25; the movable cutter bar 22 is arranged at the lower end of the mounting frame 23 through a plurality of connecting pieces 26; the connecting piece 26 comprises a connecting screw 260 and two connecting nuts 261; the lower end of the connecting screw rod 260 is fixedly connected with the movable cutter bar 22, the upper end of the connecting screw rod 260 is arranged on the mounting frame 23 in a penetrating mode, and the connecting nuts 261 are respectively arranged on the connecting screw rods 260 on the two sides of the mounting frame 23; the driving device 24 drives the mounting frame 23 to reciprocate to close or open the movable cutter strip 22 and the fixed cutter strip 20 so as to carry out sealed cutting on the plastic film 5 coated outside the article 6.

As shown in fig. 1 and 2, the mounting seat 25 includes a mounting block 250, a rotating shaft 251, and a mounting bolt 252; the mounting block 250 is provided with a mounting chute 2500 along the direction perpendicular to the transmission direction of the conveying device 3, and a mounting bolt 252 passes through the mounting chute 2500 and is in threaded connection with the rack 1 to lock the mounting block 250 on the rack 1; one end of the rotating shaft 251 is rotatably connected to the mounting block 250, and the other end of the rotating shaft 251 is fixedly connected to the mounting frame 23.

As shown in fig. 1 and 2, the frame 1 is provided with a collecting device 4 for collecting residual plastic film 5; the collecting device 4 comprises a collecting motor 40 and a collecting wheel 41; the collecting motor 40 is fixed on the frame 1; the take-up pulley 41 is fixed on the output shaft of the collecting motor 40, and the residual plastic film 5 is wound on the take-up pulley 41.

As shown in fig. 1 and 2, a tape guide roller 42 is rotatably provided on the frame 1, and the residual plastic film 5 is wound around the tape guide roller 42 and the take-up pulley 41.

As shown in fig. 1 and fig. 2, the driving device 24 includes a seal-cutting motor 240, a swing link 241 and a connecting rod 242; the sealing and cutting motor 240 is fixed on the frame 1; one end of the swing rod 241 is fixedly connected with the side wall of the output shaft of the sealing and cutting motor 240, and the other end of the swing rod 241 is hinged with the lower end of the connecting rod 242; the upper end of the connecting rod 242 is hinged with the mounting frame 23, and the movable knife strip 22 and the fixed knife strip 20 are driven to close or open in a reciprocating mode through the sealing and cutting motor 240.

As shown in fig. 1 and 2, the heating device 21 is a heating rod fixed to the lower end of the fixed blade bar 20.

The working principle of the utility model is as follows:

when the sealing and cutting structure of the plastic packaging machine is used, when the plastic film 5 coated outside the article 6 enters the cutting device 2, the sealing and cutting motor 240 rotates to drive the movable knife strip 22 to press downwards, and the upper and lower plastic films 5 coated outside the article 6 are attached together by the movable knife strip 22 which presses downwards; after the movable knife strip 22 and the heated fixed knife strip 20 are closed, the plastic film 5 is fused at the closed position of the movable knife strip 22 and the fixed knife strip 20, so that the adjacent edges of the plastic film 5 are sealed and cut, and the collection motor 40 can drive the take-up pulley 41 to rotate to wind the cut residual plastic film 5.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a structure is cut in sealing of plastic packaging machine which characterized in that: comprises a frame (1), a cutting device (2) and a conveying device (3); the conveying device (3) is arranged at the upper end of the rack (1); the cutting device (2) comprises a fixed cutter bar (20), a heating device (21), a movable cutter bar (22), an installation frame (23) and a driving device (24); the fixed cutter bar (20) and the movable cutter bar (22) are both L-shaped; the fixed cutter bars (20) are fixed at the feed end and one side of the conveying device (3); the heating device (21) is connected with the fixed cutter bar (20), and the fixed cutter bar (20) is heated through the heating device (21); the mounting frame (23) is rotatably connected with the upper end of the rack (1) through a mounting seat (25); the movable cutter bar (22) is arranged at the lower end of the mounting frame (23) through a plurality of connecting pieces (26); the connecting piece (26) comprises a connecting screw rod (260) and two connecting nuts (261); the lower end of the connecting screw rod (260) is fixedly connected with the movable cutter bar (22), the upper end of the connecting screw rod (260) penetrates through the mounting frame (23), and the connecting nuts (261) are respectively arranged on the connecting screw rods (260) on the two sides of the mounting frame (23); the driving device (24) drives the mounting frame (23) to swing in a reciprocating mode to close or open the movable cutter strip (22) and the fixed cutter strip (20) to carry out sealed cutting on the plastic film (5) coated outside the article (6).

2. The seal cutting structure of the plastic packaging machine according to claim 1, characterized in that: the mounting seat (25) comprises a mounting block (250), a rotating shaft (251) and a mounting bolt (252); the mounting block (250) is provided with a mounting chute (2500) along the direction perpendicular to the transmission direction of the conveying device (3), and a mounting bolt (252) penetrates through the mounting chute (2500) to be in threaded connection with the rack (1) so as to lock the mounting block (250) on the rack (1); one end of the rotating shaft (251) is rotatably connected with the mounting block (250), and the other end of the rotating shaft (251) is fixedly connected with the mounting frame (23).

3. The seal cutting structure of the plastic packaging machine according to claim 1, characterized in that: the frame (1) is provided with a collecting device (4) for collecting residual plastic films (5); the collecting device (4) comprises a collecting motor (40) and a take-up pulley (41); the collecting motor (40) is fixed on the frame (1); the take-up pulley (41) is fixed on an output shaft of the collecting motor (40), and the residual plastic film (5) is wound on the take-up pulley (41).

4. A sealing and cutting structure of a plastic packaging machine according to claim 3, characterized in that: the machine frame (1) is rotatably provided with a belt guide roller (42), and the residual plastic film (5) is wound on the belt take-up wheel (41) by bypassing the belt guide roller (42).

5. The seal cutting structure of the plastic packaging machine according to claim 1, characterized in that: the driving device (24) comprises a sealing and cutting motor (240), a swing rod (241) and a connecting rod (242); the sealing and cutting motor (240) is fixed on the frame (1); one end of the swing rod (241) is fixedly connected with the side wall of an output shaft of the seal-cutting motor (240), and the other end of the swing rod (241) is hinged with the lower end of the connecting rod (242); the upper end of the connecting rod (242) is hinged with the mounting frame (23), and the movable knife strip (22) and the fixed knife strip (20) are driven to close or open in a reciprocating mode through the sealing and cutting motor (240).

6. The seal cutting structure of the plastic packaging machine according to claim 1, characterized in that: the heating device (21) is a heating rod, and the heating rod is fixed at the lower end of the fixed knife strip (20).