CN218428653U

CN218428653U - Cutting device is used in LDPE membrane production

Info

Publication number: CN218428653U
Application number: CN202222304664.XU
Authority: CN
Inventors: 王胜军
Original assignee: Haining Xuda Special Film Co ltd
Current assignee: Haining Xuda Special Film Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-02-03
Anticipated expiration: 2032-08-31

Abstract

The utility model belongs to the technical field of the LDPE membrane production, especially, for cutting device is used in the production of LDPE membrane, comprising a table plate, the last fixed surface of platen installs the U template, the both sides wall of U template has been seted up respectively and has been advanced the membrane mouth and go out the membrane mouth. The utility model discloses a set up the slide cartridge, the slide bar, the clamp plate, spring two, slider one, place platform and notched setting, when the cutting knife cuts the LDPE membrane, two clamp plates are fixed the LDPE membrane on the surface of placing the platform, make its both sides can not take place to remove when the cutting knife cuts the LDPE membrane, make to avoid cutting makeing mistakes, setting through spacing wheel and leading wheel, make the LDPE membrane fold can not appear when removing, further avoid cutting to make mistakes, through setting up the mounting panel, the slot, the sliding cavity, the slide, the dovetail groove, the fixture block, the pull rod, arm-tie and spring one, the mode that promotes the dovetail groove of cutting knife with the fixture block through spring one pulling arm-tie fixes the cutting knife, make the fixed convenience of cutting knife also difficult dropping simultaneously.

Description

Cutting device is used in LDPE membrane production

Technical Field

The utility model relates to a LDPE membrane production technical field specifically is cutting device is used in LDPE membrane production.

Background

The LDPE film is a low-density polyethylene film formed by blowing after ethylene is polymerized by a polymerization process, is mainly used as a film plastic product and has wide application, and a cutting device is required to cut the LDPE film in the production and manufacturing process of the LDPE film so as to be conveniently divided into a roll of LDPE film products.

The utility model discloses a chinese utility model patent of No. CN213381698U discloses a high strength LDPE membrane cutting device, the on-line screen storage device comprises a base, mount of base upper end fixedly connected with, the inside rotation of mount is connected with the conveying roller No. two, the mount outside is provided with the mount No. two, mount and base fixed connection No. two, mount lower extreme fixedly connected with hydraulic stem No. two, hydraulic stem lower extreme fixedly connected with screed-plate, a conveying roller of base one side fixedly connected with, a conveying roller lower extreme fixedly connected with servo motor, servo motor passes through the conveyer belt transmission with a conveying roller and is connected, mount one side No. two is provided with the mount No. three, mount and base fixed connection No. three, mount lower extreme fixedly connected with cylinder No. three, the utility model discloses a be provided with the screed-plate, when cutting the LDPE membrane, can level and smooth the processing to the LDPE membrane in advance to its precision of cutting has been improved.

When cutter mechanism here cuts the LEPD membrane, because near of the cutting knife do not have the structure of fixing a position the LDPE membrane, the cutting knife pulls the LDPE membrane easily during the cutting and removes and make the cutting mistake, and simultaneously, the cutting knife that sets up here supports the lateral wall of cutting knife in order to realize the fixed effect of cutting knife through the mode that the threaded rod runs through the blade holder, this kind of fixed mode is owing to fix the cutting knife through the frictional force of exerting the pressure fit contact surface from the side of cutting knife, if the threaded rod does not screw up will make the cutting knife fixed insecure, the condition that the cutting knife dropped appears easily when using, the safety to operating the workman causes the threat, therefore we have proposed LDPE membrane production and have solved above-mentioned problem with cutting device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cutting device is used in production of LDPE membrane has solved the cutting knife that proposes among the above-mentioned background art and has dragged the LDPE membrane easily and remove and make to cut the problem that makes mistakes and cut the cutting knife and drop easily under the not firm condition of fixed effect to the cutting knife when cutting.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the cutting device for the production of the LDPE film comprises a bedplate, wherein a U-shaped plate is fixedly arranged on the upper surface of the bedplate, a film inlet and a film outlet are respectively formed in two side walls of the U-shaped plate, two first rotating frames are symmetrically fixed on the upper surface of the bedplate, guide wheels are rotatably connected on the first rotating frames, vertical rods are fixedly arranged on two sides of the inner top wall of the U-shaped plate, telescopic rods are slidably arranged at the bottoms of the vertical rods, a second rotating frame is fixedly arranged at the lower ends of the telescopic rods, limiting wheels are rotatably connected on the second rotating frames, an electric push rod is fixedly arranged in the middle of the inner top wall of the U-shaped plate, a transverse plate is fixedly connected with the driving end of the electric push rod, a mounting plate is fixedly arranged on the lower surface of the transverse plate, slots are formed in the bottoms of the mounting plate, sliding cavities are formed in two side walls of the slots, cutting knives are inserted in the slots, and sliding plates are respectively slidably connected in the sliding cavities, the two side walls of the cutting knife are provided with trapezoidal grooves which are mutually communicated, a clamping block is fixedly arranged at one end, facing the trapezoidal grooves, of the sliding plate, the clamping block is matched with the trapezoidal grooves, two pull rods are symmetrically fixed at one end, far away from the clamping block, of the sliding plate, one ends of the pull rods penetrate through the mounting plate in a sliding mode and extend to the outside of the mounting plate, pull plates are fixedly connected to the pull rods in a sliding mode, a first spring is sleeved on each pull rod, two ends of the first spring are fixedly connected with the pull plates and one side wall of the mounting plate respectively, sliding cylinders are symmetrically fixed to the left side and the right side of the lower surface of the transverse plate, sliding rods penetrate through the bottoms of the sliding cylinders in a sliding mode, pressing plates are fixedly arranged at the lower ends of the two sliding rods on the same side, a second spring is sleeved in each sliding cylinder, the upper end of the second spring is fixedly connected with the transverse plate, the lower end of the second spring is fixedly connected with the first sliding block, and the first sliding block is sleeved in the sliding cylinder, the middle position of the upper surface of the bedplate is fixedly provided with a placing platform through a connecting rod, and the middle part of the placing platform is provided with a notch.

Further, the top height of the slot is greater than the top height of the sliding cavity.

Furthermore, the lower surface of the pressing plate is fixedly provided with a non-slip mat.

Further, a second sliding groove is formed in the bottom of the vertical rod, a third spring is fixedly mounted at the top of the second sliding groove, a second sliding block is fixedly mounted at the lower end of the third spring, and the second sliding block is slidably sleeved inside the second sliding groove.

Further, two ends of the bedplate are respectively provided with a conveying roller and a winding roller.

(III) advantageous effects

Compared with the prior art, the utility model provides a cutting device is used in LDPE membrane production possesses following beneficial effect:

the utility model discloses, through setting up the slide cartridge, the slide bar, pressing plates, spring two, slider one, place platform and notched setting, when the cutting knife cuts the LDPE membrane, two clamp plates are fixed the LDPE membrane on the surface of placing the platform, make its both sides can not take place to remove when the cutting knife cuts the LDPE membrane, make to avoid the cutting to make mistakes, setting through spacing wheel and leading wheel, make the LDPE membrane fold can not appear when removing, further avoid the cutting to make mistakes, through setting up the mounting panel, the slot, the sliding cavity, the slide, the dovetail groove, the fixture block, the pull rod, arm-tie and spring one, the mode that promotes the dovetail groove of cutting knife with the fixture block through spring one pulling arm-tie fixes the cutting knife, make the fixed convenience of cutting knife also be difficult for dropping simultaneously.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the three-dimensional cross-sectional structure of the present invention;

FIG. 4 is a sectional view of the slide cartridge connecting structure of the present invention;

FIG. 5 is a schematic view of the structure A of FIG. 2 according to the present invention;

fig. 6 is a schematic structural diagram of the point B in fig. 3 according to the present invention.

In the figure: 1. a platen; 2. a U-shaped plate; 3. a film inlet; 4. a film outlet; 5. a first rotating frame; 6. a guide wheel; 7. a vertical rod; 8. a telescopic rod; 9. a second rotating frame; 10. a limiting wheel; 11. an electric push rod; 12. a transverse plate; 13. mounting a plate; 14. inserting slots; 15. a slide chamber; 16. a cutting knife; 17. a slide plate; 18. a trapezoidal groove; 19. a clamping block; 20. a pull rod; 21. pulling a plate; 22. a first spring; 23. a slide cylinder; 24. a slide bar; 25. pressing a plate; 26. a non-slip mat; 27. a second spring; 28. a first sliding block; 29. a third spring; 30. a second sliding block; 31. a conveying roller; 32. a wind-up roll; 33. a connecting rod; 34. a placing table; 35. and (6) cutting.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

As shown in fig. 1-6, a cutting device for producing LDPE film according to an embodiment of the present invention comprises a platen 1, a U-shaped plate 2 is fixedly mounted on an upper surface of the platen 1, a film inlet 3 and a film outlet 4 are respectively formed on two side walls of the U-shaped plate 2, two first rotating frames 5 are symmetrically fixed on the upper surface of the platen 1, a guide wheel 6 is rotatably connected on the first rotating frames 5, a vertical rod 7 is fixedly mounted on both sides of an inner top wall of the U-shaped plate 2, a telescopic rod 8 is slidably disposed at the bottom of the vertical rod 7, a second rotating frame 9 is fixedly mounted at a lower end of the telescopic rod 8, a limiting wheel 10 is rotatably connected on the second rotating frame 9, an electric push rod 11 is fixedly mounted at a middle position of the inner top wall of the U-shaped plate 2, a transverse plate 12 is fixedly connected to a driving end of the electric push rod 11, a mounting plate 13 is fixedly mounted on a lower surface of the transverse plate 12, and a slot 14 is formed at the bottom of the mounting plate 13, two side walls of the slot 14 are respectively provided with a sliding cavity 15, a cutting knife 16 is inserted in the slot 14, sliding plates 17 are respectively connected in the sliding cavities 15 in a sliding manner, two trapezoidal grooves 18 which are mutually communicated are formed in two side walls of the cutting knife 16, one end of the sliding plate 17 facing the trapezoidal grooves 18 is fixedly provided with a clamping block 19, the clamping block 19 is matched with the trapezoidal grooves 18, one end of the sliding plate 17 far away from the clamping block 19 is symmetrically and fixedly provided with two pull rods 20, one end of each pull rod 20 penetrates through the mounting plate 13 in a sliding manner and extends to the outside of the mounting plate, the pull plates 21 are fixedly connected with the pull rods 20 in a sleeved manner, two ends of each spring 22 are respectively and fixedly connected with the pull plates 21 and one side wall of the mounting plate 13, sliding cylinders 23 are symmetrically and fixedly arranged on the left side and the right side of the lower surface of the transverse plate 12, sliding cylinders 23 penetrate through sliding rods 24 in a sliding manner, pressing plates 25 are fixedly arranged at the lower ends of the two sliding rods 24 on the same side, and two springs 27 are sleeved in the sliding cylinders 23, the upper end of the second spring 27 is fixedly connected with the transverse plate 12, the lower end of the second spring is fixedly connected with the first sliding block 28, the first sliding block 28 is slidably sleeved in the sliding barrel 23, a placing table 34 is fixedly arranged at the middle position of the upper surface of the bedplate 1 through a connecting rod 33, and a notch 35 is formed in the middle of the placing table 34; to sum up, when the device is used, an LDPE film is placed into the inner side of a U-shaped plate 2 from a film inlet 3, the LDPE film passes through two guide wheels 6 and a limiting wheel 10 and then is pulled out from a film outlet 4, because an expansion link 8 is arranged on a vertical rod 7 in a sliding manner, the LDPE films with different thicknesses can pass through the guide wheels 6 and the limiting wheel 10, the limiting wheel 10 has the function of leveling the LDPE film, so that the LDPE film cannot be folded or wrinkled, when the device is cut, an electric push rod 11 drives a transverse plate 12 to descend, because a first slide block 28 is slidably sleeved in a slide cylinder 23 and is connected with a second spring 27, a press plate 25 is abutted against the LDPE film and then is fixed on a placing table 34, then the electric push rod 11 continuously pushes the transverse plate 12 to descend, so that a cutting knife 16 is contacted with the LDPE film to cut the LDPE film, at the moment, because the press plate 25 presses and fixes the LDPE film, the cutting knife 16 cannot move the LDPE film, therefore, the cutting is not easy to make mistakes, when the cutting knife 16 needs to be replaced for a long time, because the clamping block 19 cooperates the joint with the dovetail groove 18 on the side of the cutting knife 16, consequently, the clamping block 19 is pulled out from the dovetail groove 18 to enable the cutting knife 16 to fall out from the slot 14, because the clamping block 19 is fixed on one side wall of the sliding plate 17, the sliding plate 17 slides in the sliding cavity 15 and is fixedly connected with the pulling plate 21 through the pulling rod 20, and a spring 22 is fixedly installed between the pulling plate 21 and the mounting plate 13, namely, under the condition that the pulling plate 21 is not pushed to move outwards, the spring 22 pulls the pulling plate 21 to enable the pulling rod 20 to move inwards the mounting plate 13 so that the sliding plate 17 drives the clamping block 19 to be clamped into the dovetail groove 18 and cannot be separated out, under the condition that the spring 22 is not damaged, the cutting knife 16 is not easy to fall off, and the cutting knife 16 can be conveniently taken off by pulling the pulling plate 21.

As shown in fig. 2, 5 and 6, in some embodiments, the top height of slot 14 is greater than the top height of slide cavity 15; through the top height that sets up slot 14 being greater than smooth chamber 15, the top card of cutting knife 16 can not be promoted the inside of smooth chamber 15 at the top of slot 14, avoids the condition that the bending appears in cutting knife 16.

As shown in FIG. 4, in some embodiments, a non-slip mat 26 is fixedly mounted to the lower surface of the pressure plate 25; the anti-slip pad 26 increases the friction force with the surface of the LDPE film, so that the fixing effect of the LDPE film is better.

As shown in fig. 3, in some embodiments, the bottom of the vertical rod 7 is provided with a second sliding groove, the top of the second sliding groove is fixedly provided with a third spring 29, the lower end of the third spring 29 is fixedly provided with a second sliding block 30, and the second sliding block 30 is slidably sleeved inside the second sliding groove; through setting up spring three 29 and slider two 30 for spacing wheel 10 has the effort of extrusion leading wheel 6, thereby makes the difficult condition that appears folding and crooked of LDPE membrane of centre gripping between the two.

As shown in fig. 1 and 2, in some embodiments, both ends of the platen 1 are provided with a conveying roller 31 and a take-up roller 32, respectively; through setting up conveying roller 31 and wind-up roll 32, be convenient for control the LDPE film and remove inside the device to the convenient LDPE film that cuts the completion is rolled up.

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 described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

Cutting device is used in LDPE membrane production, including platen (1), its characterized in that: the upper surface fixed mounting of platen (1) has U template (2), advance membrane mouth (3) and go out membrane mouth (4) have been seted up respectively to the both sides wall of U template (2), the upper surface symmetry of platen (1) is fixed with two rolling stand one (5), it is connected with leading wheel (6) to rotate on rolling stand one (5), the equal fixed mounting in both sides of roof has montant (7) in U template (2), the bottom of montant (7) slides and is provided with telescopic link (8), the lower extreme fixed mounting of telescopic link (8) has two rolling stand (9), it is connected with spacing wheel (10) to rotate on two rolling stand (9), the intermediate position fixed mounting of roof has electric putter (11) in U template (2), the drive end fixedly connected with diaphragm (12) of electric putter (11), the lower fixed surface mounting of diaphragm (12) has mounting panel (13), slot (14) have been seted up to the bottom of mounting panel (13), sliding cavity (15) have all been seted up to the both sides wall of slot (14), cutting knife (16) have been inserted in slot (14), sliding cavity (15) all have been connected with slide groove (17) and slide groove (18) are linked together towards cutting knife (17) one end the cutting knife fixed connection has been seted up to slide (18) the trapezoidal groove (17) of cutting knife (17) 19 The utility model discloses a slide plate, including slide bar (23), fixture block (19), slide plate (17), mounting panel (13), slide plate (17), slide plate (19), slide plate (17) and be fixed with two pull rods (20) in one end symmetry, the one end of pull rod (20) slides and runs through mounting panel (13) and extend to its outside and fixedly connected with arm-tie (21), all the cover is equipped with spring one (22) on pull rod (20), the both ends of spring one (22) respectively with an lateral wall fixed connection of arm-tie (21) and mounting panel (13), the equal symmetry in the left and right sides of diaphragm (12) lower surface is fixed with slide cartridge (23), the bottom of slide cartridge (23) slides and runs through slide bar (24), the lower extreme fixed mounting of two slide bars (24) of homonymy has clamp plate (25), slide cartridge (23) endotheca is equipped with spring two (27), the upper end and diaphragm (12) fixed connection of spring two (27), and its lower extreme and slide block one (28) fixed connection, slide cartridge (28) slip cover is established in the inside of slide cartridge (23), the intermediate position on surface (1) is installed through fixed connection pole (34), the platform (34) is placed the incision (34).
2. The slitting device for LDPE film production of claim 1, wherein: the top height of the slot (14) is larger than that of the sliding cavity (15).
3. The cutting device for LDPE film production as recited in claim 1, characterized in that: and the lower surface of the pressure plate (25) is fixedly provided with an anti-skid pad (26).
4. The slitting device for LDPE film production of claim 1, wherein: a second sliding groove is formed in the bottom of the vertical rod (7), a third spring (29) is fixedly mounted at the top of the second sliding groove, a second sliding block (30) is fixedly mounted at the lower end of the third spring (29), and the second sliding block (30) is sleeved inside the second sliding groove in a sliding mode.
5. The cutting device for LDPE film production as recited in claim 1, characterized in that: and two ends of the bedplate (1) are respectively provided with a conveying roller (31) and a winding roller (32).