CN217098055U - Rim charge cutting device of BOPP membrane - Google Patents

Abstract

The utility model relates to a rim charge cutting device of BOPP membrane relates to the technical field that the BOPP membrane was made, including the frame, be provided with in the frame and be used for carrying out the cutting mechanism who cuts to the BOPP membrane, cutting mechanism includes rolling disc, two and cuts sword and drive assembly. This application cuts the BOPP membrane through one of them sword that cuts of two sword, when the sword that cuts that is cutting damages, drive assembly starts to drive the rolling disc and rotates, the rolling disc rotates and drives another sword that cuts and rotates to the position that cuts of BOPP membrane and continue to carry out the work of cutting to the BOPP membrane, treat that the BOPP membrane cuts the sword that cuts that finishes the back to the damage again and change, thereby only need rotate the rolling disc when cutting the sword and damaging can, greatly reduced the machine in the during operation owing to cut the idle time that the sword damaged and produced, and the work efficiency is improved.

Description

Rim charge cutting device of BOPP membrane

Technical Field

The utility model belongs to the technical field of the technique that BOPP membrane was made and specifically relates to a rim charge cutting device of BOPP membrane is related to.

Background

And (4) forming the BOPP film. BOPP films are films produced by first forming a polymer melt into a sheet or a thick film through a long and narrow head, then stretching the polymer melt in two perpendicular directions (longitudinal and transverse directions) simultaneously or stepwise in a special stretching machine at a certain temperature and a set speed, and then subjecting the stretched polymer melt to appropriate cooling or heat treatment or special processing (e.g., etc.).

Among the correlation technique, can refer to the chinese utility model patent that the grant bulletin number is CN211941191U, it discloses a curtain coating membrane rim charge cuts recovery mechanism, including setting up the support piece on the organism, be provided with on support piece and cut the mechanism, cut the mechanism including fixing the fixed block at support piece upper surface both sides position, it is connected with the lead screw that runs through two to rotate on the fixed block the lead screw of fixed block, two the installation piece symmetry sets up the both sides position at lead screw center, two all be provided with cutting device on the installation piece, cutting device is including fixing two dead lever on the installation piece, the dead lever perpendicular to the butt roller just extends to butt roller top, the dead lever lateral wall is provided with cuts the sword, cut the sword with the butt roller effect for cut curtain coating membrane rim charge. The cutting device and the abutting roller act together and are used for cutting the edge materials of the casting film.

However, the cutting knife is damaged after long-time cutting operation is carried out, the worker has to stop the whole machine to replace the cutting knife, the replacement time of the cutting knife is long, the idle time of the whole machine in the working time is prolonged, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the cutting work efficiency of BOPP membrane, this application provides a rim charge cutting device of BOPP membrane.

The application provides a pair of rim charge cutting device of BOPP membrane adopts following technical scheme:

the utility model provides a rim charge cutting device of BOPP membrane, includes the frame, be provided with in the frame and be used for carrying out the mechanism of tailorring that cuts to the BOPP membrane, the mechanism of tailorring includes:

the rotating disc is rotatably arranged on the rack through a rotating shaft;

the two cutting knives are detachably connected to the rotating disc through connecting components and are respectively positioned at two ends of the rotating disc, and when one cutting knife of the two cutting knives cuts the BOPP film, the other cutting knife is not in contact with the BOPP film;

and the driving assembly is arranged on the rack and is used for driving the rotating disc to rotate.

Through adopting above-mentioned technical scheme, one of them sword that cuts of two sword cuts the BOPP membrane, when the sword that cuts that is cutting damages, drive assembly starts to drive the rolling disc and rotates, the rolling disc rotates and drives another sword that cuts and rotates to the position that cuts of BOPP membrane and continue to carry out the work of cutting to the BOPP membrane, wait to cut the BOPP membrane and change the sword that cuts that damages again after finishing, thereby when cutting the sword damage only need rotate the rolling disc can, greatly reduced the machine in the during operation because the idle time that the sword damaged and produced, and the work efficiency is improved.

Optionally, the connection assembly includes:

the connecting screw is arranged on the rotating disc, a connecting hole is formed in the cutting knife, and the cutting knife is sleeved on the connecting screw through the connecting hole;

and the connecting nut is in threaded connection with the connecting screw rod and abuts against the side wall of one side of the cutting knife, which is far away from the rotating disc.

By adopting the technical scheme, when the cutting knife is damaged, the connecting nut is screwed to be separated from the connecting screw rod, the damaged cutting knife is taken down, a new cutting knife sleeve is arranged on the knife connecting screw rod, the connecting nut is screwed to be in threaded connection with the connecting screw rod and is abutted against the replaced cutting knife, and therefore the replacement and fixing work of the cutting knife is completed.

Optionally, two be equipped with the saucer on the connecting screw, two the cooperation of saucer and rolling disc presss from both sides two tight cutting knives, coupling nut supports tightly on the side wall of the saucer far away from the rolling disc.

Through adopting above-mentioned technical scheme, set up the saucer cutting between sword and coupling nut, coupling nut supports two sword of cutting tightly on the rolling disc through the saucer to direct and the contact of sword that cuts caused the probability of damage to the cutting knife when coupling nut screws up has been reduced.

Optionally, the driving assembly is a driving cylinder, the driving cylinder is rotatably disposed on the frame, and a piston rod of the driving cylinder is rotatably disposed on the rotating disc.

Through adopting above-mentioned technical scheme, drive actuating cylinder and start and drive the piston rod and remove, the piston rod removes and drives the rolling disc rotation, drives actuating cylinder self normal running fit rolling disc rotation simultaneously to the realization is to rolling disc pivoted drive work.

Optionally, be provided with in the frame and be used for carrying on spacing first spacing subassembly to the turned angle of carousel when driving actuating cylinder and promote the carousel, first spacing subassembly includes:

the abutting plate is arranged on the rotating shaft;

the limiting plate, the limiting plate sets up in the frame, threaded connection has limiting screw on the limiting plate, when butt joint board rotated to contradict with limiting screw, the sword that cuts the BOPP membrane.

By adopting the technical scheme, the driving cylinder is started to drive the abutting plate to rotate, the abutting plate drives the rotating disc to rotate through the rotating shaft, when the rotating disc rotates to the cutting position of the BOPP film, the abutting plate is abutted against the limiting screw rod, and the air cylinder stops inflating, so that the air cylinder is not required to be controlled to adjust the rotating angle of the rotating disc manually, the cutting knife can cut the BOPP film, and the working efficiency is improved; when needs are adjusted and are cut the cutter and to the cutting angle of BOPP membrane, rotate limit screw and remove on the limiting plate, can accomplish the regulation to butt joint board rotational position, easy operation, convenient and fast.

Optionally, be provided with in the frame and be used for carrying out spacing second spacing subassembly to the butt plate when the butt plate rotates to keeping away from the stop screw direction with stop screw butt towards, the spacing subassembly of second includes:

the limiting gear and the abutting plate are coaxially arranged on the rotating shaft;

the limiting clamping plate is rotatably arranged on the rack;

and the limiting spring is arranged on the rack and connected with a limiting clamping plate, and the limiting clamping plate is clamped with the limiting gear under the action of the limiting spring.

By adopting the technical scheme, when the abutting plate rotates towards the direction abutting against the limiting screw rod, the abutting plate rotates to drive the limiting gear to rotate, and the limiting gear rotates to contact with the guide surface and stirs the limiting clamping plate to compress the limiting spring to move; when the abutting plate rotates towards the direction far away from the limiting screw rod, the limiting clamping plate is clamped with the limiting gear to limit the abutting plate, so that the stability of the cutting knife at the cutting position is improved; compression spring drives spacing cardboard and stop gear and breaks away from, can rotate the direction rotation that the butt board orientation kept away from limit screw.

Optionally, a sliding block is arranged on the rack in a sliding mode along the width direction of the BOPP film, the cutting mechanism, the first limiting assembly and the second limiting assembly are arranged on the sliding block, and a moving assembly used for adjusting the position of the sliding block is arranged on the rack.

Through adopting above-mentioned technical scheme, remove the subassembly and start to drive the slider and remove, the slider removes and drives and cuts the sword and remove to accomplish the adjustment work of cutting the width of cutting of sword to the BOPP membrane, enlarged the accommodation that cuts the sword and cut to different width BOPP membranes.

Optionally, the moving assembly includes:

the screw rod is rotatably arranged on the rack and is in threaded connection with the sliding block;

and the moving motor is arranged on the rack, and an output shaft of the moving motor is connected with the screw rod.

Through adopting above-mentioned technical scheme, the mobile motor starts to drive the lead screw and rotates, and the lead screw rotates and drives the slider removal, and the slider removal drives the cutter removal to accomplish the drive regulation work to the cutter position on BOPP membrane width direction.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the BOPP film is cut by one of the two cutting knives, when the cutting knife which is cutting is damaged, the driving assembly is started to drive the rotating disc to rotate, the rotating disc rotates to drive the other cutting knife to rotate to the cutting position of the BOPP film to continue cutting the BOPP film, and the damaged cutting knife is replaced after the cutting of the BOPP film is finished, so that only the rotating disc needs to be rotated when the cutting knife is damaged, the idle time of the machine caused by the damage of the cutting knife in the working time is greatly reduced, and the working efficiency is improved;

2. the connecting nut is screwed to be separated from the connecting screw rod, the damaged cutting knife is taken down, a new cutting knife is sleeved on the knife connecting screw rod, the connecting nut is screwed to be in threaded connection with the connecting screw rod and is abutted against the replaced cutting knife, and therefore the replacement and fixing work of the cutting knife is completed;

3. the lead screw is driven to rotate by starting the moving motor, the lead screw rotates to drive the sliding block to move, and the sliding block moves to drive the cutting knife to move, so that the work of driving and adjusting the position of the cutting knife in the width direction of the BOPP film is completed.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the cutting mechanism of the present application;

fig. 3 is a schematic structural diagram of a second limiting assembly in the present application.

Reference numerals: 1. a frame; 11. a sliding groove; 12. a slider; 13. mounting a plate; 14. a rotating shaft; 15. connecting holes; 16. a pad disc; 2. a cutting mechanism; 21. rotating the disc; 22. cutting knife; 23. a drive assembly; 24. a connecting assembly; 25. connecting a screw rod; 26. a connecting nut; 3. a moving assembly; 31. a screw rod; 32. a moving motor; 4. a first limit component; 41. a butt joint plate; 42. a limiting plate; 43. a limit screw; 5. a second limiting component; 51. a limit gear; 52. a limiting clamping plate; 53. a limiting spring; 54. assembling the block; 55. a guide surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses rim charge cutting device of BOPP membrane.

Referring to fig. 1, the rim charge cutting device for the BOPP film comprises a frame 1, and a cutting mechanism 2 for cutting the BOPP film is arranged on the frame 1.

Referring to fig. 1, a sliding groove 11 is formed in the upper surface of the frame 1 along the width direction of the BOPP film, and a sliding block 12 is slidably mounted on the sliding groove 11. The frame 1 is provided with a moving assembly 3 for driving the sliding block 12 to move, and the moving assembly 3 comprises a screw 31 and a moving motor 32. The screw rod 31 is rotatably connected to two opposite inner side walls of the sliding groove 11, and the axis direction of the screw rod is parallel to the width direction of the BOPP film. The screw rod 31 is in threaded connection with the slider 12. The movable motor 32 is fixedly connected to the outer side wall of the frame 1, and the output shaft horizontally penetrates through the side wall of the frame 1 to be fixedly connected with the screw rod 31.

Referring to fig. 1 and 2, a vertical mounting plate 13 is fixedly connected to an upper surface of the slider 12. The trimming mechanism 2 includes a rotary disc 21, two cutting blades 22, and a drive assembly 23. The rotary disk 21 is rotatably connected to a side wall of the mounting plate 13 away from the moving motor 32 by a rotary shaft 14. The two cutting knives 22 are detachably connected to the rotating disc 21 through the connecting assembly 24 and are located at two ends of the rotating disc 21.

Referring to fig. 1 and 2, the coupling assembly 24 includes a coupling screw 25 and a coupling nut 26. The connecting screw 25 is fixedly connected to a side wall of the rotary disc 21 far away from the mounting plate 13 and is in a horizontal state. The cutting knife 22 is provided with a connecting hole 15, and the cutting knife 22 is sleeved on the connecting screw rod 25 through the connecting hole 15. The connecting screw rod 25 is sleeved with a pad disc 16, and the pad disc 16 is positioned on one side of the cutting knife 22 far away from the mounting plate 13. The connecting nut 26 is screwed on the connecting screw rod 25 and tightly pressed on the side wall of the cushion disc 16 far away from the mounting plate 13. The dolly 16 cooperates with the rotating disc 21 to clamp the cutting blade 22 by the coupling nut 26.

Referring to fig. 1 and 2, a first limiting assembly 4 for limiting a rotation angle of the rotary disc 21 when the rotary disc 21 is pushed by the air cylinder is disposed on the frame 1, and the first limiting assembly 4 includes an abutting plate 41 and a limiting plate 42. The rotating shaft 14 horizontally penetrates through the mounting plate 13, and two ends of the rotating shaft extend out of the mounting plate 13. The abutting plate 41 is fixedly connected to an end of the rotating shaft 14 away from the rotating disc 21 and rotates coaxially with the rotating disc 21. The limit plate 42 is fixedly connected to a side wall of the mounting plate 13 away from the rotating disc 21 and below the abutting plate 41. The limiting plate 42 is in an inclined state, and the height of the limiting plate 42 close to one end of the BOPP film is lower than that of the limiting plate far away from one end of the BOPP film. The limit plate 42 is in threaded connection with a limit screw 43 which vertically penetrates through the limit plate 42.

Referring to fig. 1, the driving assembly 23 is a driving cylinder. The bottom end of the driving cylinder is hinged on the upper surface of the sliding block 12. The piston rod of the driving cylinder is vertically hinged with one end of the abutting plate 41 close to the driving cylinder. Drive actuating cylinder and start drive butt plate 41 and rotate, and butt plate 41 rotates to and when being close to the one end conflict of BOPP membrane with limit screw 43, drives actuating cylinder and stops to aerify, cuts sword 22 and cuts the BOPP membrane on the rolling disc 21 this moment.

Referring to fig. 1 and 3, a second limiting component 5 for limiting the abutting plate 41 when the abutting plate 41 rotates from abutting against the limiting screw 43 to facing away from the limiting screw 43 is arranged on the frame 1, and the second limiting component 5 comprises a limiting gear 51, a limiting catch plate 52 and a limiting spring 53. The limit gear 51 is fixedly connected to the rotating shaft 14 coaxially with the rotating disc 21, and the limit gear 51 is located between the mounting plate 13 and the abutting plate 41. An assembling block 54 is fixedly connected to the side wall of the mounting plate 13 close to one side of the limit gear 51 and above the limit gear 51. The limit spring 53 is fixedly connected to a side wall of the assembling block 54 near the limit gear 51.

Referring to fig. 3, one end of the limit catch plate 52 is rotatably connected to a side wall of the mounting plate 13 near the limit gear 51. The side wall of the limit catch plate 52 close to the assembling block 54 is fixedly connected with a limit spring 53. The other end of the limiting clamping plate 52 is in clamping fit with the limiting gear 51 under the action of a limiting spring 53. An arc-shaped guide surface 55 is arranged on the side wall of one side of the clamping part of the limiting clamping plate 52 and the limiting gear 51, which is close to the driving cylinder.

The working principle of the embodiment of the application is as follows:

one of the two cutting knives 22 cuts the BOPP film, when the cutting knife 22 being cut is damaged, the driving cylinder is started to drive the abutting plate 41 to rotate, the abutting plate 41 rotates to drive the rotating disc 21 to rotate, the rotating disc 21 rotates to drive the other cutting knife 22 to rotate to the cutting position of the BOPP film to continue to cut the BOPP film, after the BOPP film is cut, the connecting nut 26 is screwed to be separated from the connecting screw rod 25, the backing disc 16 is taken down, the damaged cutting knife 22 is taken down for replacement, and after the replacement is completed, the connecting nut 26 is screwed to drive the backing disc 16 to tightly support the cutting knife 22 on the rotating disc 21, so that only the rotating disc 21 needs to be rotated when the cutting knife 22 is damaged, the idle time generated by the damage of the cutting knife 22 in the working time of the machine is greatly reduced, and the working efficiency is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a rim charge cutting device of BOPP membrane which characterized in that: including frame (1), be provided with in frame (1) and be used for cutting mechanism (2) of tailorring that the BOPP membrane cut, tailor mechanism (2) and include:

the rotating disc (21), the rotating disc (21) is rotatably arranged on the rack (1) through a rotating shaft (14);

the two cutting knives (22) are detachably connected to the rotating disc (21) through connecting components (24) and are respectively positioned at two ends of the rotating disc (21), and when one cutting knife (22) of the two cutting knives (22) cuts the BOPP film, the other cutting knife (22) is not in contact with the BOPP film;

the driving assembly (23) is arranged on the rack (1) and is used for driving the rotating disc (21) to rotate.

2. The scrap cutting device for the BOPP film according to claim 1, wherein: the connection assembly (24) comprises:

the connecting screw rod (25) is arranged on the rotating disc (21), a connecting hole (15) is formed in the cutting knife (22), and the cutting knife (22) is sleeved on the connecting screw rod (25) through the connecting hole (15);

the connecting nut (26) is in threaded connection with the connecting screw rod (25) and abuts against one side wall of the cutting knife (22) far away from the rotating disc (21).

3. The scrap cutting device for the BOPP film according to claim 2, wherein: two the cover is equipped with saucer (16) on connecting screw (25), saucer (16) and rolling disc (21) cooperation are pressed from both sides two and are cut sword (22), coupling nut (26) support tightly on saucer (16) keep away from one side lateral wall of rolling disc (21).

4. The scrap cutting device for the BOPP film according to claim 1, wherein: the driving assembly (23) is a driving cylinder, the driving cylinder is rotatably arranged on the rack (1), and a piston rod of the driving cylinder is rotatably arranged on the rotating disc (21).

5. The scrap cutting device for BOPP films according to claim 4, wherein: be provided with on frame (1) and be used for carrying on spacing first spacing subassembly (4) to the turned angle of rolling disc (21) when driving actuating cylinder promotion rolling disc (21), first spacing subassembly (4) include:

an abutting plate (41), the abutting plate (41) being provided on the rotating shaft (14);

limiting plate (42), limiting plate (42) set up on frame (1), threaded connection has stop screw (43) on limiting plate (42), butt joint board (41) rotate to when contradicting with stop screw (43), cut sword (22) and cut the BOPP membrane.

6. The scrap cutting device for BOPP films according to claim 5, wherein: be provided with on frame (1) and be used for carrying on spacing second spacing subassembly (5) to butt flange plate (41) when keeping away from stop screw (43) direction rotation towards butt flange plate (41) from butt with stop screw (43), spacing subassembly (5) of second includes:

the limiting gear (51) and the abutting plate (41) are coaxially arranged on the rotating shaft (14);

the limiting clamping plate (52), the limiting clamping plate (52) is rotatably arranged on the rack (1);

the limiting gear (51) is arranged on the rack (1), the limiting spring (53) is connected with the limiting clamping plate (52), and the limiting clamping plate (52) is clamped with the limiting gear (51) under the action of the limiting spring (53).

7. The scrap cutting device for the BOPP film according to claim 1, wherein: the BOPP film cutting machine is characterized in that a sliding block (12) is arranged on the machine frame (1) in a sliding mode along the width direction of a BOPP film, the cutting mechanism (2), the first limiting component (4) and the second limiting component (5) are arranged on the sliding block (12), and a moving component (3) used for adjusting the position of the sliding block (12) is arranged on the machine frame (1).

8. The scrap cutting device for BOPP films according to claim 7, wherein: the moving assembly (3) comprises:

the screw rod (31), the said screw rod (31) is set up on the framework (1) rotatably and connected with screw thread of the slide block (12);

the moving motor (32) is arranged on the rack (1), and an output shaft of the moving motor (32) is connected with the screw rod (31).

Images