CN214724569U - Combined material slitting knife for die cutting machine - Google Patents

Abstract

The utility model relates to a cross cutting machine combination formula material divides cutter, its characterized in that: the cutting device is composed of an upper cutting body and a lower cutting body which are arranged up and down, wherein the upper cutting body is composed of an upper cutting mandrel, a spring thrust type cutting knife, an upper cutting roller pillow, an upper cutting gear and a detachable shaft head; the lower cutter body of cutting by cutting the lower cutter dabber, cut the lower cutter, divide down the lower cutter roller pillow and cut the lower cutter gear and constitute cut the position that the lower cutter spindle corresponds spring thrust formula and shears the sword and install and cut the lower cutter, correspond the position of cutting the upper cutter roller pillow at the both ends of cutting the lower cutter dabber and have through the mounting screw and divide the lower cutter roller pillow, cut the lower cutter gear through the mounting screw on the lower cutter roller pillow of cutting of one end, cut the upper cutter gear and cut the lower cutter gear and mesh mutually. The utility model has the advantages of scientific and reasonable design, long service life has, reduce the product defective rate, be suitable for the product model wide, improve and cut efficiency, easily realize.

Description

Combined material slitting knife for die cutting machine

Technical Field

The utility model belongs to cross cutting processing equipment accessory field relates to a divide the cutter, especially a cross cutting machine is with combination formula material branch cutter.

Background

Generally, after the material is supplied, the width of the material is not in accordance with the width required by the actual product, and before the processed product is produced, the material is usually required to be cut to the proper width before entering the production link. Generally, a product testing ring section can often prepare a slightly wide material, the problem of timely cutting of the material can occur, and the material is usually cut to a proper width on site for production processing and testing. When such conditions are encountered, the one-piece slitting knives are typically customized for disposal, with the following problems;

1. the cutter is easy to age and blunt, the service life is low, and the cutter cost is high;

2. burrs are easily generated on the edges of the materials, and the burrs easily pollute the product to cause poor products;

3. the cut products are single and can not be shared, and each product needs to be customized with a dedicated cutting tool, so that the cost is high, and the management and the storage are not facilitated;

4. when the machine is used on the existing equipment, the phenomenon that the material is rolled by a roll pillow can be generated after the width exceeds 245mm, and the machine cannot be used;

5. when ordinary cutting, cutter blade and bottom shaft direct contact can produce the higher vibrations of intensity owing to can move under the fast-speed condition to can lead to the unstable condition of pressure, make the speed of cutting receive the restriction.

Disclosure of Invention

An object of the utility model is to provide a structural design scientific and reasonable, long service life, reduction product defective rate, be suitable for the product model wide, improve cut efficiency, easily realize the cross cutting machine combination formula material divide the cutter.

The utility model provides a its technical problem realize through following technical scheme:

the utility model provides a combination formula material divides cutter for cross cutting machine which characterized in that: the cutting device comprises an upper cutting body and a lower cutting body which are arranged up and down, wherein the upper cutting body consists of an upper cutting mandrel, a spring thrust type shearing cutter, an upper cutting roller pillow, an upper cutting gear and a detachable spindle head; the lower cutter body of cutting by cutting the lower cutter dabber, cut the lower cutter, divide down the lower cutter roller pillow and cut the lower cutter gear and constitute cut the position that the lower cutter spindle corresponds spring thrust formula and shears the sword and install and cut the lower cutter, correspond the position of cutting the upper cutter roller pillow at the both ends of cutting the lower cutter dabber and have through the mounting screw and divide the lower cutter roller pillow, cut the lower cutter gear through the mounting screw on the lower cutter roller pillow of cutting of one end, cut the upper cutter gear and cut the lower cutter gear and mesh mutually.

The upper cutting knife mandrel is composed of an upper cutting knife installation part arranged in the middle of a mandrel body and reducing bearing installation parts arranged at two ends of the upper cutting knife installation part, an upper cutting knife installation groove axially arranged is formed in the middle of the upper cutting knife installation part, and roller pillow fixing grooves are formed in the upper cutting knife installation parts at two ends of the upper cutting knife installation groove; the spring thrust type shearing knife is installed at the position of the upper knife installation groove through a screw, and the slitting upper knife roller pillow is installed at the position of the roller pillow fixing groove through a screw.

And, spring thrust formula shearing sword constitute by circlip, butterfly elasticity top knife blade, spring, top knife blade fixing base and top knife blade locating pin the one end of top knife blade fixing base is provided with spring, butterfly elasticity top knife blade and the circlip that connects gradually through top knife blade locating pin be provided with top knife blade mounting hole on the outer fringe terminal surface of top knife blade fixing base, install it in the top knife mounting groove of cutting the top knife dabber through the cooperation of screw and top knife blade mounting hole, the cutting edge portion of butterfly elasticity top knife blade sets up with the side tip of cutting the lower knife is tangent.

The lower cutting knife mandrel is composed of a lower cutting knife installation part arranged in the middle of a shaft body and lower cutting knife mandrel heads arranged at two ends of the lower cutting knife installation part, an axial installation through groove is formed in the lower cutting knife installation part, and roller pillow installation holes are formed in end faces at two ends of the lower cutting knife installation part; the lower slitting knife is arranged on the mounting through groove of the lower knife mounting part through the matching of the lower knife mounting hole formed in the end face of the outer edge of the lower slitting knife and the screw.

The utility model discloses an advantage and beneficial effect do:

1. the combined material cutting knife for the die cutting machine adopts the spring thrust type shearing knife, and under the condition of taking original measures, as the knife edge is sharp and needs to be in contact with the surface of a steel shaft to cut off the material, the material is required to be cut off in the contact process, a pressurizing hand wheel is used for forcibly pressurizing under general conditions, the load of the knife edge is usually exceeded, and after the combined material cutting knife is cut for a period of time, the knife edge is damaged in different degrees and needs to be maintained or scrapped; after a new design scheme is adopted, a butterfly elastic blade is adopted, a spring is placed in a gap between the elasticity of the butterfly elastic blade and a blade fixing seat, the butterfly elastic blade is adjusted to be tightly attached to the side face of a lower cutting knife to form thrust, the spring and the blade can give proper buffering under the condition of external force, the cutting effect is not influenced, the cutting edge of the butterfly elastic blade can be protected without any damage, the damage risk is reduced, and the maintenance and customization cost of the butterfly elastic blade is reduced.

2. This combination formula material slitting knife for cross cutting machine has adopted the design of shearing technology, under the condition of taking original technology, owing to be ordinary cross cutting, the cutting edge can neither be too sharp in the course of working, too sharp can lead to the cutting edge life-span too short, can not be sharp again, and not sharp can lead to cutting badly, cuts the continuous condition even, so can be very difficult when producing the processing cutter. Because the final procedure of the cutter edge is generally finished manually, the consistency is poor, so that local burrs (fine hair and scraps) can be generated in practical application, the cutter edge can be gradually damaged along with the lapse of time, the situation is gradually serious, the situation is difficult to observe by human eyes, and the product is polluted after poor materials are used in production and processing, so that the final product is poor; after having taken this design, the scheme converts ordinary cross cutting into the form of shearing, and the cutting edge blade can process the sharpness that extremely reaches, and sharp cutting edge can be very level and smooth and clean with the material edge cutting, can not produce any deckle edge and piece, and moreover sharp cutting edge can not any steel surface of direct contact, and the side forms the shearing rather than the contact, cuts the PET material, and the material passes through the intersection of upper slitter and bed knife, accomplishes the material cutting. When guaranteeing the material edge cutting effect, the cutter blade of protection has solved deckle edge piece problem, promotes product quality.

3. This cross cutting machine is with combination formula material slitting cutter, the structure of components of a whole that can function independently combination formula has been adopted, under the condition of taking original measure, because the shape of every section product is different, so the material width of using also can be different, a section product or a type generally appear and all need customize the cutter again after, the material of the same section and the same quantity of cutting is cut the condition few again, this kind of condition will appear customizing a large amount of cutters and cutting the product demand that is fit for different width, lead to cutting cutter in large quantities, the low-usage, and is with high costs, the inconvenient problem of accomodating the management. Taking the utility model discloses afterwards, will cut the lower knife and cut the mode that the upper knife designed into slip locking respectively (cut the upper knife and cut the lower knife and can lead to the slidable mounting in groove at upper knife mounting groove and installation respectively to through screw locking location), the distance between the adjacent blade can be adjusted in this design, also can adjust blade quantity, solves above-mentioned not general problem, has promoted convenient maneuverability when practicing thrift the cost.

4. This cross cutting machine is with combination formula material slitting cutter, the split type design of dabber and roller pillow has been adopted, under the condition of taking original measure, because integrative and bottom steel axle, the restriction of the inherent width of the recess axle of equipment bottommost even, the material is generally most wide to be injectd within 245mm, just can't go on when meetting the material that is greater than 245mm width like this and need cut, for example cut 255 mm's material and will produce the rolling phenomenon in roller pillow department, lead to cutting badly, the problem that work can't go on even. After taking the utility model discloses, at first design the roller pillow into only 6 mm's width, enough can satisfy the demand of cutting the function, (original roller pillow is generally at 15-18mm), increase its space like this for the width space that the active material passes through, secondly, two super narrow roller pillows can dismantle and change, even if like this the local damage of roller pillow can only carry out local maintenance and change can, after taking this scheme, can effectively increase the width of cutting the material (the width is expanded to 275mm by 245mm, promote and cut width 30mm), it has wholly reduced the part again to change the maintenance, manufacturing cost has been reduced simultaneously.

5. This cross cutting machine is with combination formula material slitting knife has adopted the crisscross design of cuting of combination formula, and present technique is, when equipment was in high-speed operation, and equipment can produce stronger vibrations, and pressure can produce the unstable condition this moment, and too big pressure can lead to the cutter to damage in advance, and the pressure of undersize has the phenomenon of cutting badly again, leads to production efficiency to be lower. After the utility model discloses, having taken certain crisscross clearance, like this for cut cutter appropriate amount pressure can, slightly big or can not cause the cutting edge to damage and the bad circumstances of cutting slightly for a short time, when producing stronger vibrations under the high-speed moving circumstances of equipment, go up the sword blade and enough compensate vibrations produced beating with the crisscross clearance that the lower sword edge formed, so can realize high-speed operation for can effectively improve production efficiency, make the cutter not receive any damage simultaneously.

6. The utility model has the advantages of scientific and reasonable design, have long service life, reduce the product defective rate, be suitable for the product model wide, improve the advantage of cutting efficiency, easily realizing, be one kind have the cross cutting machine combination formula material slitting knife of higher novelty.

Drawings

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

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is an exploded view of the present invention;

FIG. 5 is a schematic structural view of the slitting upper knife mandrel of the present invention;

fig. 6 is a schematic structural view of the slitting lower knife mandrel of the present invention;

fig. 7 is an exploded view of the spring-thrust type shear blade of the present invention;

fig. 8 is a schematic view of the application of the present invention;

fig. 9 is an exploded view of fig. 8.

Description of reference numerals:

1-cutting upper cutter body, 2-cutting lower cutter body, 3-detachable shaft head, 4-cutting upper cutter roller pillow, 5-spring thrust type shearing cutter, 6-cutting upper cutter mandrel, 7-cutting upper cutter gear, 8-cutting lower cutter gear, 9-cutting lower cutter mandrel, 10-mounting through groove, 11-cutting lower cutter, 12-cutting lower cutter roller pillow, 13-lower cutter shaft head, 14-screw, 15-upper cutter mounting groove, 16-roller pillow fixing groove, 17-reducing bearing mounting part, 18-roller pillow mounting hole, 19-lower cutter mounting part, 20-upper cutter positioning pin, 21-upper cutter fixing seat, 22-spring, 23-butterfly elastic upper cutter, 24-elastic retainer ring, 25-inner side regulator, 26-outside regulator, 27-then along the die-cutting station, 28-cushion block, 29-pressing hand wheel, 30-material.

Detailed Description

The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.

The utility model provides a combination formula material divides cutter for cross cutting machine which innovation point in: the cutting device comprises an upper cutting body 1 and a lower cutting body 2 which are arranged up and down, wherein the upper cutting body consists of an upper cutting mandrel 6, a spring thrust type shearing cutter 5, an upper cutting roller pillow 4, an upper cutting gear 7 and a detachable shaft head 3, the upper cutting roller pillows are arranged at two ends of the upper cutting mandrel, the spring thrust type shearing cutters are arranged between the two upper cutting roller pillows at intervals, the upper cutting gear is arranged at the outer side of the upper cutting roller pillow at one end through a screw 14, and the detachable shaft head is arranged at the shaft head at two ends of the upper cutting mandrel; divide downcut cutter body by cutting lower sword dabber 9, cut lower sword 11, cut lower sword roller pillow 12 and cut lower sword gear 8 and constitute cut the position that corresponds spring thrust formula shearing sword in the lower sword dabber and install and cut the lower sword, correspond the position of cutting the upper knife roller pillow at the both ends of cutting the lower sword dabber and have a branch through the mounting screw and cut the lower sword roller pillow, cut the lower sword gear through the mounting screw on the lower sword roller pillow of cutting of one end, cut the upper knife gear and cut lower sword gear and mesh mutually.

The design of the detachable shaft head meets the assembly requirements of the shearing knife and the knife adjuster. Generally, the inner diameter of the installation of the shearing knife is 25mm, the inner diameter of the installation of the knife adjustor is 25.4mm, in order to meet the installation requirement, the shaft head is designed into a detachable structure, the detachable shaft head is assembled after the installation of the shearing knife, and the detachable shaft head is installed on the knife adjustor.

The upper cutting knife mandrel is composed of an upper cutting knife installation part arranged in the middle of a shaft body and reducing bearing installation parts 17 arranged at two ends of the upper cutting knife installation part, an upper cutting knife installation groove 15 axially arranged is formed in the middle of the upper cutting knife installation part, and roller pillow fixing grooves 16 are formed in the upper cutting knife installation parts at two ends of the upper cutting knife installation groove; the spring thrust type shearing knife is installed at the position of the upper knife installation groove through a screw, and the slitting upper knife roller pillow is installed at the position of the roller pillow fixing groove through a screw.

Spring thrust formula shearing knife 23, spring 22, last sword blade fixing base 21 and last sword blade locating pin 20 constitute by circlip 24, butterfly elasticity the one end of going up sword blade fixing base is provided with spring, butterfly elasticity last sword blade and the circlip that connects gradually through last sword blade locating pin be provided with last sword blade mounting hole on the outer fringe terminal surface of going up sword blade fixing base, install it in the last sword mounting groove of cutting the last sword dabber through the cooperation of screw and last sword blade mounting hole, the cutting edge portion of the butterfly elasticity last sword blade and the side tip of cutting down the sword set up tangentially.

The slitting lower knife mandrel is composed of a lower knife installation part 19 arranged in the middle of a shaft body and lower knife mandrel heads 13 arranged at two ends of the lower knife installation part, an axial installation through groove 10 is arranged on the lower knife installation part, and roller pillow installation holes 18 are arranged on end faces at two ends of the lower knife installation part; the lower slitting knife is arranged on the mounting through groove of the lower knife mounting part through the matching of the lower knife mounting hole formed in the end face of the outer edge of the lower slitting knife and the screw.

When the cutting tool is installed, firstly, the assembly of the cutting tool body is completed according to the cutting requirements, and a corresponding number of spring thrust type shearing tools are assembled on the cutting tool body; then, an inner side regulator 25 and an outer side regulator 26 are arranged at the left end and the right end of the upper slitting cutter body, and then the upper slitting cutter body is arranged to the bottom end of the upper slitting cutter body along a notch of a die cutting station 27, so that a driving gear on a driving roller is meshed with a lower slitting cutter gear; then assembling the upper slitting cutter body as required; after the inner side regulator and the outer side regulator are arranged at two ends of the slitting upper cutter body, the inner side regulator and the outer side regulator are arranged above the slitting lower cutter body along a notch of a die cutting station, and simultaneously, a slitting upper cutter gear is meshed with a slitting lower cutter gear; the material 30 passes through the lower slitting cutter body and the upper slitting cutter body; then respectively installing a cushion block 28 and a pressurizing hand wheel 29 on a part die cutting station; and finishing the installation and waiting for material slitting.

The working principle is as follows:

1. before the material is cut, firstly, finely adjusting a cutting lower knife of a cutting lower knife body and a spring thrust type shearing knife of a cutting upper knife body to enable the cutting lower knife and the spring thrust type shearing knife to be in a staggered and attached state, and when the material passes through the cutting lower knife and the spring thrust type shearing knife, the material is cut;

2. after the position is adjusted, the material to be cut passes through the space between the lower cutting knife body and the upper cutting knife body;

3. and cutting the materials into required widths respectively after the materials pass through the shearing machine, and finishing the shearing of the materials.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims (4)

1. The utility model provides a combination formula material divides cutter for cross cutting machine which characterized in that: the cutting device comprises an upper cutting body and a lower cutting body which are arranged up and down, wherein the upper cutting body consists of an upper cutting mandrel, a spring thrust type shearing cutter, an upper cutting roller pillow, an upper cutting gear and a detachable spindle head; the lower cutter body of cutting by cutting the lower cutter dabber, cut the lower cutter, divide down the lower cutter roller pillow and cut the lower cutter gear and constitute cut the position that the lower cutter spindle corresponds spring thrust formula and shears the sword and install and cut the lower cutter, correspond the position of cutting the upper cutter roller pillow at the both ends of cutting the lower cutter dabber and have through the mounting screw and divide the lower cutter roller pillow, cut the lower cutter gear through the mounting screw on the lower cutter roller pillow of cutting of one end, cut the upper cutter gear and cut the lower cutter gear and mesh mutually.

2. The combined material slitting knife for a die cutting machine according to claim 1, wherein: the upper cutting knife mandrel is composed of an upper cutting knife installation part arranged in the middle of a shaft body and reducing bearing installation parts arranged at two ends of the upper cutting knife installation part, an upper cutting knife installation groove axially arranged is formed in the middle of the upper cutting knife installation part, and roller pillow fixing grooves are formed in the upper cutting knife installation parts at two ends of the upper cutting knife installation groove; the spring thrust type shearing knife is installed at the position of the upper knife installation groove through a screw, and the slitting upper knife roller pillow is installed at the position of the roller pillow fixing groove through a screw.

3. The combined material slitting knife for a die cutting machine according to claim 2, wherein: the spring thrust type shearing knife comprises an elastic retainer ring, a butterfly elastic upper knife blade, a spring, an upper knife blade fixing seat and an upper knife blade positioning pin, wherein one end of the upper knife blade fixing seat is provided with the spring, the butterfly elastic upper knife blade and the elastic retainer ring which are sequentially connected through the upper knife blade positioning pin, an upper knife blade mounting hole is formed in the end face of the outer edge of the upper knife blade fixing seat, the upper knife blade mounting hole is mounted in an upper knife mounting groove of a slitting upper knife mandrel through the matching of the screw and the upper knife blade mounting hole, and the knife edge part of the butterfly elastic upper knife blade is tangent to the side end part of the slitting lower knife.

4. The combined material slitting knife for a die cutting machine according to claim 1, wherein: the lower cutting knife mandrel is composed of a lower cutting knife installation part arranged in the middle of a shaft body and lower cutting knife mandrels arranged at two ends of the lower cutting knife installation part, an axial installation through groove is formed in the lower cutting knife installation part, and roller pillow installation holes are formed in the end faces at two ends of the lower cutting knife installation part; the lower slitting knife is arranged on the mounting through groove of the lower knife mounting part through the matching of the lower knife mounting hole formed in the end face of the outer edge of the lower slitting knife and the screw.

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