CN219854748U

CN219854748U - Cutting device

Info

Publication number: CN219854748U
Application number: CN202321303373.7U
Authority: CN
Inventors: 何巧蓉; 黄登科; 马威
Original assignee: Ningbo Beilun Taixin Packaging Material Co ltd
Current assignee: Ningbo Beilun Taixin Packaging Material Co ltd
Priority date: 2023-05-23
Filing date: 2023-05-23
Publication date: 2023-10-20
Anticipated expiration: 2033-05-23

Abstract

The utility model relates to the technical field of plastic particle packaging and discloses a cutting device, which comprises a workbench, wherein a feeding roller is arranged on one side of the top of the workbench, a first support frame fixed on the top of the workbench is arranged on one side of the feeding roller, two rotating rollers are rotatably connected to the first support frame through bearings, a rubber layer is fixedly sleeved on the outer side of each rotating roller, a compression protection component is arranged on one side of each cutting knife, when the cutting knife and the compression protection component are pushed to move downwards by the push rod end of an electric push rod, the bottom of each pressing plate is firstly contacted with the top of a packaging bag, friction force between the pressing plate and the packaging bag is increased by a plurality of rubber blocks, the packaging bag is prevented from being uneven when the packaging bag is cut, the qualification rate of the packaging bag after being cut is improved, meanwhile, protection plates are arranged on two sides of the cutting knife, hands are prevented from being injured when workers stretch into one side of the cutting knife edges of the cutting knife through bearing, and the limb health of the workers is furthest protected.

Description

Cutting device

Technical Field

The utility model relates to the technical field of plastic particle packaging, in particular to a cutting device.

Background

The plastic package bag is a package bag which uses plastic as raw material and is used for producing various articles in daily life and industrial production.

In the Chinese patent with the publication number of CN212049819U, a cutting device for producing plastic packaging bags is disclosed, which can automatically adjust a plastic film to a specified cutting size on the right side of a cutting knife assembly, so that the operation convenience and the processing efficiency of the cutting process of the plastic film can be greatly improved, and meanwhile, the operation process of manually pulling the plastic film is omitted, namely, the deformation probability of the plastic film is reduced; the automatic feeding device comprises a workbench, a feeding mechanism, a cutting mechanism and a cushion block, wherein four groups of supporting legs are arranged at the bottom end of the workbench, the feeding mechanism is arranged at the left side of the top end of the workbench, the cutting mechanism is arranged at the right side of the middle part of the top end of the workbench, the cutting mechanism is provided with an air cylinder assembly, a cutting knife assembly and a mounting frame, and an auxiliary groove is arranged at the top end of the cushion block; still include mount, adjusting threaded rod, adjust knob, control frame, squeeze roll, power roller and servo motor subassembly, the left end downside of control frame runs through and is provided with U type control groove.

The following drawbacks exist in the above patents: when the push rod end of the air cylinder assembly pushes the cutting knife to move downwards, the cutting knife is in contact with the plastic particle packaging bag, so that the plastic particle packaging bag is cut, in the process, the plastic particle packaging bag clamping device is lack, the packaging bag is prone to being uneven in cutting, the qualification rate of the packaging bag after cutting is lower, and the cutting device is provided.

Disclosure of Invention

The present utility model is directed to a cutting device, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the cutting device comprises a workbench, wherein a feeding roller is arranged on one side of the top of the workbench, a first support frame fixed on the top of the workbench is arranged on one side of the feeding roller, two rotating rollers are rotatably connected to the first support frame through bearings, a rubber layer is fixedly sleeved on the outer side of each rotating roller, a second support frame is fixed on one side of the top of the workbench, an electric push rod is fixed on one side of the top of the second support frame, a cutting knife holder fixed on one side of the top of the workbench is arranged on the lower side of the cutting knife, and a compression protection assembly is arranged on one side of the cutting knife;

the pressing protection assembly comprises two supporting plates and two pressing plates, wherein a plurality of rubber blocks are adhered to the bottoms of the pressing plates, and a protection plate is fixed on one side of the bottoms of the supporting plates.

Preferably, a cross plate is fixed on one side of the bottom of the protection plate, and a plurality of sliding grooves are formed in one side of the cross plate.

Preferably, a sliding column is slidably connected to the inner side of the sliding groove, and a limiting block located on the upper side of the transverse plate is fixed to the top of the sliding column.

Preferably, the outside of the sliding column is sleeved with a spring, and two ends of the spring are respectively connected to one side of the transverse plate and one side of the pressing plate.

Preferably, one side of the two support plates is fixed on one side of the cutting knife, and one side of the first support frame is fixed with a servo motor.

Preferably, a first gear and a second gear are fixed on one side of the two feeding rollers respectively, the first gear and the second gear are connected in a meshed mode, and an axis of one side of the second gear is fixed at an output shaft end of the servo motor.

Preferably, a measuring scale positioned on one side of the cutting knife is fixed on one side of the top of the workbench.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects: according to the utility model, when the cutting knife is pushed by the push rod end of the electric push rod and the compression protection assembly moves downwards, the bottom of the pressing plate is firstly contacted with the top of the packaging bag, the friction force between the pressing plate and the packaging bag is increased by the plurality of rubber blocks, the uneven packaging bag is avoided when the packaging bag is cut, the qualification rate of the packaging bag after being cut is improved, meanwhile, the protection plates are arranged on the two sides of the cutting knife, the hand is prevented from being stretched into one side of the cutting edge of the cutting knife when a worker operates by mistake, the hand of the worker is prevented from being injured, and the limb health of the worker is protected to the greatest extent.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of a front view structure of the present utility model;

FIG. 3 is a left-hand structural view of the first support frame of the present utility model;

FIG. 4 is a schematic view of a cross-sectional structure of a cross-plate according to the present utility model;

fig. 5 is a schematic perspective view of a pressing plate according to the present utility model.

Reference numerals illustrate: 1. a work table; 2. compressing the protective component; 21. a cross plate; 22. a support plate; 23. a protection plate; 24. a chute; 25. a limiting block; 26. a spool; 27. a spring; 28. a pressing plate; 29. a rubber block; 3. a rotating roller; 4. a feed roller; 5. a rubber layer; 6. a first support frame; 7. an electric push rod; 8. a second support frame; 9. a cutting knife; 10. a measuring ruler; 11. a servo motor; 12. a cutter holder; 13. a first gear; 14. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides a technical solution: the cutting device comprises a workbench 1, a feeding roller 4 is arranged on one side of the top of the workbench 1, a first support frame 6 fixed on the top of the workbench 1 is arranged on one side of the feeding roller 4, two rotating rollers 3 are rotatably connected to the first support frame 6 through bearings, a rubber layer 5 is fixedly sleeved on the outer side of each rotating roller 3, a second support frame 8 is fixedly arranged on one side of the top of the workbench 1, an electric push rod 7 is fixedly arranged on one side of the top of each second support frame 8, packaging bags of plastic particles are wound on the outer side of the corresponding feeding roller 4, then the packaging bags of the plastic particles pass through the outer sides of the corresponding feeding rollers 4, at the moment, an output shaft of a servo motor 11 rotates to drive a second gear 14 to rotate, meanwhile, the two feeding rollers 4 rotate under the meshing connection of the first gear 13 and the second gear 14, the plastic particle packaging bags are conveyed to the lower side of a cutting knife 9 under the friction force of the rubber layer 5, a cutting knife 9 is fixedly sleeved on the push rod end of the electric push rod 7, a cutting knife 9 is fixedly arranged on the lower side of the cutting knife 9, a cutting knife seat 12 fixed on one side of the top of the workbench 1 is provided with a compression protection assembly 2;

the compaction protection assembly 2 comprises two supporting plates 22 and two pressing plates 28, a plurality of rubber blocks 29 are adhered to the bottoms of the pressing plates 28, a protection plate 23 is fixed to one side of the bottoms of the supporting plates 22, a transverse plate 21 is fixed to one side of the bottoms of the protection plate 23, a plurality of sliding grooves 24 are formed in one side of the transverse plate 21, and when the push rod end of the electric push rod 7 pushes the cutting knife 9 and the compaction protection assembly 2 to move downwards, the bottoms of the pressing plates 28 are lower than the cutting edge of the cutting knife 9 in height, so that the bottoms of the pressing plates 28 firstly contact the top of a packaging bag, and meanwhile friction between the pressing plates 28 and the packaging bag is increased through the rubber blocks 29.

The slide groove 24 is connected with the slide column 26 in a sliding way, a limiting block 25 positioned on the upper side of the transverse plate 21 is fixed at the top of the slide column 26, a spring 27 is sleeved on the outer side of the slide column 26, two ends of the spring 27 are respectively connected to one side of the transverse plate 21 and one side of the pressing plate 28, uneven packaging bags are avoided when the packaging bags are cut, the qualified rate of the packaging bags after the packaging bags are cut is low, meanwhile, the protection plates 23 are positioned on two sides of the cutting knife 9, when a worker operates by mistake, hands extend into one side of the cutting knife 9, the hands of the worker are injured, and the limb health of the worker is protected to the greatest extent.

One side of two backup pads 22 is fixed in one side of cutting knife 9, first support frame 6 one side is fixed with servo motor 11, two feeding roller 4 one sides are fixed with first gear 13 and second gear 14 respectively, first gear 13 and second gear 14 meshing are connected, one side axle center department of second gear 14 is fixed in servo motor 11's output axle head, control servo motor 11 output shaft pivoted number of turns, one side of the dipperstick 10 of workstation 1 when can making the wrapping bag of required length remove, measure the length of wrapping bag through dipperstick 10, make servo motor 11 rotate fixed number of turns, can carry the wrapping bag of fixed length, workstation 1 top one side is fixed with the dipperstick 10 that is located one side of cutting knife 9.

Working principle: when needs cut the wrapping bag of plastic granules, firstly wrap around the outside at feed roll 4 with the wrapping bag of plastic granules, then pass through the outside of two feed rolls 4 with the plastic granules wrapping bag, servo motor 11 output shaft rotates this moment, drive second gear 14 and rotate, simultaneously under first gear 13 and second gear 14 meshing connection, make two feed rolls 4 rotate, under the frictional force effect of rubber layer 5, carry the plastic granules wrapping bag to the downside of cutting knife 9, through the pivoted number of turns of control servo motor 11 output shaft, one side of the dipperstick 10 of workstation 1 when can make the wrapping bag of required length remove, measure the length of wrapping bag through dipperstick 10, make servo motor 11 rotate fixed number of turns, can carry the wrapping bag of fixed length.

When electric putter 7 push rod end promotes and cuts cutter 9 and compresses tightly protection component 2 and move downwards, because the bottom height of clamp plate 28 is less than the height of cutting cutter 9 cutting edge for the bottom of clamp plate 28 contacts at the top of wrapping bag earlier, increases the frictional force between clamp plate 28 and the wrapping bag through a plurality of rubber pieces 29 simultaneously, avoids the wrapping bag when cutting, and the wrapping bag is uneven, causes the qualification rate after the wrapping bag cuts lower, uses guard plate 23 to be located the both sides of cutting cutter 9 simultaneously, and when avoiding workman maloperation, the hand stretches into cutting cutter 9 cutting edge one side, causes the injury of workman's hand, furthest's protection workman's limb health.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. Cutting device, including workstation (1), its characterized in that: the automatic feeding device is characterized in that a feeding roller (4) is arranged on one side of the top of the workbench (1), a first supporting frame (6) fixed on the top of the workbench (1) is arranged on one side of the feeding roller (4), two rotating rollers (3) are rotatably connected to the first supporting frame (6) through bearings, a rubber layer (5) is fixedly sleeved on the outer side of each rotating roller (3), a second supporting frame (8) is fixed on one side of the top of the workbench (1), an electric push rod (7) is fixed on one side of the top of the second supporting frame (8), a cutting knife (9) is fixed at the push rod end of the electric push rod (7), a cutting knife seat (12) fixed on one side of the top of the workbench (1) is adapted to the lower side of the cutting knife (9), and a compression protection component (2) is arranged on one side of the cutting knife (9);

the compaction protection assembly (2) comprises two supporting plates (22) and two pressing plates (28), wherein a plurality of rubber blocks (29) are adhered to the bottoms of the pressing plates (28), and a protection plate (23) is fixed on one side of the bottoms of the supporting plates (22).

2. A cutting apparatus according to claim 1, wherein: a transverse plate (21) is fixed on one side of the bottom of the protection plate (23), and a plurality of sliding grooves (24) are formed in one side of the transverse plate (21).

3. A cutting apparatus according to claim 2, wherein: the inner side of the sliding groove (24) is connected with a sliding column (26) in a sliding way, and a limiting block (25) positioned on the upper side of the transverse plate (21) is fixed at the top of the sliding column (26).

4. A cutting apparatus according to claim 3, wherein: the outside of the sliding column (26) is sleeved with a spring (27), and two ends of the spring (27) are respectively connected to one side of the transverse plate (21) and one side of the pressing plate (28).

5. A cutting apparatus according to claim 1, wherein: one side of the two supporting plates (22) is fixed on one side of the cutting knife (9), and one side of the first supporting frame (6) is fixed with a servo motor (11).

6. A cutting apparatus as defined in claim 5, wherein: one side of each feeding roller (4) is respectively fixed with a first gear (13) and a second gear (14), the first gears (13) and the second gears (14) are connected in a meshed mode, and one side axis of each second gear (14) is fixed at the output shaft end of the servo motor (11).

7. A cutting apparatus according to claim 1, wherein: a measuring ruler (10) positioned on one side of the cutting knife (9) is fixed on one side of the top of the workbench (1).