CN113478575A

CN113478575A - Efficiency-improving and quality-improving die cutting mechanism

Info

Publication number: CN113478575A
Application number: CN202110765206.3A
Authority: CN
Inventors: 蒋小芹; 刘文忠; 刘伟兵
Original assignee: Shenzhen Blueman Technology Co ltd
Current assignee: Shenzhen Blueman Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-10-08
Anticipated expiration: 2041-07-06
Also published as: CN113478575B

Abstract

The application relates to a die cutting mechanism for improving efficiency and quality, belonging to the technical field of non-metallic material die cutting; the machine body is provided with a lower die and an upper die which is positioned right above the lower die, and the machine body is provided with a lifting piece for driving the upper die to lift; the cutting and pressing device is characterized in that a cutting and pressing piece is arranged in the upper die and comprises an installation block, a plurality of annular cutters are distributed on the installation block along the length direction of the installation block, a plurality of straight cutters are arranged between adjacent annular cutters, and the annular cutters and the straight cutters are detachably connected with the installation block. This application utilizes and sets up a plurality of straight type cutters between adjacent annular cutter, when cutting panel, straight type cutter cuts out easily tearing the line between adjacent circular product, when convenient follow-up separation circular product and slitter edge, can directly the level tear panel, and panel is along easily tearing the line fracture, separates required product and slitter edge, has the reduction product damage, guarantees product quality, improves production efficiency's effect simultaneously.

Description

Efficiency-improving and quality-improving die cutting mechanism

Technical Field

The application relates to the field of non-metallic material die cutting technology, in particular to a die cutting mechanism for improving efficiency and quality.

Background

The die-cutting machine is mainly used for die cutting, indentation and gold stamping operation, fitting and automatic waste discharge of corresponding non-metal materials, non-setting adhesive, EVA (ethylene vinyl acetate), double-sided adhesive, electronics, mobile phone rubber mats and the like, and the die-cutting machine utilizes a steel knife, a hardware die, a steel wire or a steel template to apply certain pressure through the embossing plate to roll and cut a printed product or a paper board into a certain shape, so that the die-cutting machine is important equipment for packaging, processing and forming after printing. The vibration film processing in the equipment such as earphones, sound equipment and the like also needs to be processed by a die cutting machine.

Chinese patent No. CN207915637U discloses a die cutting device of a die cutting machine, which comprises a base and a supporting top box, wherein a vertical plate is arranged in the base, a lifting plate slides in the supporting top box, the upper end of the lifting plate is correspondingly provided with a guide base, an electric push rod is arranged in the supporting top box, and two ends of the electric push rod are connected with guide slide blocks; a cutting and pressing piece is arranged below the lifting plate through a mounting seat; after the workpiece is placed on the vertical plate, the electric push rod works to drive the lifting plate to drive the cutting piece to vertically move, and the workpiece is cut by the die.

In view of the above-mentioned related technologies, the inventor believes that when a vibrating diaphragm of a device such as a sound box is processed, since the vibrating diaphragm is circular, a plurality of groups of annular blades are required to be used for die cutting, and meanwhile, the complete plate is subjected to die cutting of the plurality of groups of circular vibrating diaphragms; after the cross cutting was accomplished, need take out the monoblock panel after, the people tears every vibrating diaphragm product from panel out, and the vibrating diaphragm material is flexible material, and hides in panel for whole circular product, directly tears then causes the damage of vibrating diaphragm product easily.

Disclosure of Invention

In order to separate vibrating diaphragm product and slitter edge in the convenience, reduce the damage to the vibrating diaphragm product, this application provides an effect-enhancing and quality-enhancing die cutting mechanism.

The application provides a carry die-cutting mechanism of effect increase quality adopts following technical scheme:

a die cutting mechanism for improving efficiency and quality comprises a machine body, wherein the machine body is provided with a lower die and an upper die positioned right above the lower die, and the machine body is provided with a lifting piece for driving the upper die to lift; the cutting and pressing device is characterized in that a cutting and pressing piece is arranged in the upper die and comprises an installation block, a plurality of annular cutters are distributed on the installation block along the length direction of the installation block, a plurality of straight cutters are arranged between adjacent annular cutters, and the annular cutters and the straight cutters are detachably connected with the installation block.

By adopting the technical scheme, when the plate is subjected to die cutting, the plate is placed on the lower die, the lifting piece is started, the lifting piece drives the upper die to vertically displace, so that the plate is cut by the cutting and pressing piece, and the die cutting work of the plate is completed;

this in-process, utilize annular cutter to cut out a plurality of circular products in panel, a plurality of straight type cutters form easily tearing the line in the region that panel is in between the circular product simultaneously, cut the completion back when panel, artifical handheld panel carries out the horizontal direction and pulls, make its panel along easily tearing the line fracture, circular product directly drops, need not to tear circular product in turn, make things convenient for circular product separation, help improving production efficiency, the damage that the power caused circular product because of tearing still can reduce simultaneously, help improving the quality of product, reduce the loss.

Optionally, a plurality of straight cutters between adjacent annular cutters are in a group, the upper ends of the straight cutters in the same group are fixed with supporting blocks, the lower end of the mounting block is provided with a mounting groove, the supporting blocks are inserted into the mounting groove, and the mounting block is provided with an inserted link member for fixing the supporting blocks.

Through adopting above-mentioned technical scheme, utilize the supporting shoe to constitute whole with a plurality of straight type cutters between the adjacent annular cutter, the setting of mounting groove and inserted bar spare simultaneously is convenient to be fixed in the supporting shoe on the installation piece to the dismouting work to straight type cutter makes it can be according to the difference of required cross cutting product, and selects to install straight type cutter whether.

Optionally, the insertion rod piece includes a fixed block and an insertion rod fixed to one end of the fixed block, a sliding groove communicated with the installation groove is formed in the installation block, a positioning groove communicated with the sliding groove in the insertion process is correspondingly formed in the support block, the fixed block is slidably connected in the sliding groove, the insertion rod extends out of the installation block, and a compression spring is sleeved between the fixed block and the sliding groove; under the initial state of the compression spring, the fixed block part is positioned outside the sliding groove.

By adopting the technical scheme, when the supporting block is installed, the inserting rod is pulled to enable the fixing block to be completely positioned in the sliding groove, the supporting block is inserted into the installation groove from bottom to top, the limitation on the inserting rod is released, one end of the fixing block slides into the positioning groove of the supporting block under the elastic action of the compression spring, and part of the fixing block is remained in the sliding groove, so that the vertical limiting of the supporting block is realized, the supporting block is fixed on the installation block, and the installation work of the straight type cutter is realized; when the straight type cutter needs to be detached or replaced, the supporting block can be taken out from the mounting groove only by pulling the insertion rod.

Optionally, a threaded rod is coaxially fixed at the upper end of the annular cutter, and the mounting block is correspondingly provided with a threaded hole matched with the threaded rod.

Through adopting above-mentioned technical scheme, utilize the screw-thread fit effect of threaded rod and installation piece, can make things convenient for annular cutter's dismouting work to can be different according to the product of required processing, and change different annular cutter.

Optionally, a concave groove with an opening at one end is formed in the lower surface of the upper die, and the other end of the concave groove is closed; the cutting and pressing pieces are connected in the concave grooves in a sliding manner and at least one group of cutting and pressing pieces is arranged; and the lower die is also provided with a limiting part for positioning the displacement of the cutting and pressing part.

Through adopting above-mentioned technical scheme, utilize the cutting and pressing piece can slide in the concave groove, and the one end in concave groove is the encapsulated situation, can be according to the variation in size of panel, the corresponding sets up multiunit cutting and pressing piece in concave groove, and then carries on spacingly to the cutting and pressing piece through the locating part, can once only carry out processing to panel according to the area size of panel, perhaps can be according to the difference of the circular product quantity of required processing, and the quantity that corresponds the setting cutting and pressing piece.

Optionally, the limiting member includes a limiting rod which is arranged in parallel with the mounting block and is slidably connected to the upper end of the upper die, two ends of the lower die in the length direction of the limiting rod are respectively provided with a sliding groove perpendicular to the limiting rod, and two ends of the limiting rod are bent to extend into the sliding grooves and slide along the length direction of the sliding grooves; the bending section of the limiting rod is vertically inserted with a limiting block penetrating through the sliding groove; and the upper die is also provided with a screw rod transmission piece for driving the limiting rod to move along the length direction of the sliding groove.

By adopting the technical scheme, as one end of the concave groove is in a closed state, the stable limiting work of all the cutting and pressing pieces can be realized only by butting the cutting and pressing pieces on one side of the opening end of the concave groove; therefore, the two chutes formed in the upper die are utilized, so that the bending section of the limiting rod extends into the chutes, the limiting block can vertically displace relative to the bending section of the limiting rod, when the press piece needs to be abutted, the lower end of the limiting block is lower than the top wall of the concave groove, the limiting rod is driven by the screw rod transmission piece to displace along the length direction of the chutes, the limiting block can be driven to abut against the side wall of the press piece, and the stable limiting work of all the press pieces is realized; when adding new cutting and pressing piece or reducing the quantity of cutting and pressing piece, direct pulling the stopper up, make its stopper lower extreme be higher than the concave groove roof can, this kind of mode is convenient to the dismouting work of cutting and pressing piece.

Optionally, a stop block with a cross section larger than the cross section of the stop block is fixed at the upper end of the stop block.

Through adopting above-mentioned technical scheme, because the vertical setting of stopper utilizes the upper end butt of dog and gag lever post, makes its stopper under the dead weight effect, keeps the lower extreme to be less than the state that concave groove roof part is in concave groove, when needs increase or reduce cutting parts quantity, direct handheld dog with the stopper stimulate can up.

Optionally, a vertically arranged limiting groove is formed in the bending section of the limiting rod, the limiting block is inserted into the limiting groove, a driving block is fixed on a section of side wall of the limiting block, which is located in the limiting groove, the driving block is arranged in an isosceles trapezoid shape with the lower bottom and the limiting block, so that the upper side and the lower side of the driving block are arranged in an inclined plane; a driving groove communicated with the limiting groove is further formed in the bending section of the limiting rod, a first guide block and a second guide block are connected in the driving groove in a sliding mode and perpendicular to the limiting rod, the first guide block and the second guide block correspond to the inclined surfaces of the driving block one by one respectively, and inclined surface transmission is generated between the first guide block and the second guide block and the inclined surfaces of the driving block in the sliding process; and a wire rod piece for driving the first guide block and the second guide block to synchronously and reversely move is further arranged in the bending section of the limiting rod.

By adopting the technical scheme, the screw rod piece is utilized to drive the first guide block and the second guide block to synchronously and reversely displace, so that the first guide block and the second guide block are abutted against the inclined surface of the driving block in the displacement process, the driving block drives the limiting block to vertically displace, the limiting block can be abutted against or away from the cutting piece, and the stable limiting work of the cutting piece is realized, or the limiting work is relieved; because the inclined plane butt effect of guide block one, guide block two and drive block, when no external force ordered about a member motion, can play stable spacing work to the stopper, keep the stopper lower extreme to stretch into the concave groove or be higher than the concave groove, make things convenient for the dismouting work of cutting and pressing piece.

Optionally, the side walls of the first guide block and the second guide block, which are far away from each other, are abutted against the straight surface of the inner wall of the driving groove; the screw rod piece comprises a first screw rod and a second screw rod which are arranged in parallel and are rotatably connected to the bending section of the limiting rod, the first screw rod is perpendicular to the limiting block, the first screw rod penetrates through the guide block and is in threaded fit with the first guide block, and the second screw rod penetrates through the second guide block and is in threaded fit with the second guide block.

Through adopting above-mentioned technical scheme, the lateral wall of guide block one, guide block two is with the straight face butt of inner wall in drive groove, the circumference rotation work of restriction guide block one, guide block two, and then rotate lead screw one, lead screw two, under the screw-thread fit effect of lead screw one and guide block one to and the screw-thread fit effect of lead screw two and guide block two, can realize guide block one and the synchronous reverse displacement work of guide block two, realize the lift drive work to the stopper.

Optionally, the first screw rod and the second screw rod have the same thread direction, gears which are meshed with each other are coaxially fixed on the first screw rod and the second screw rod respectively, one end of the first screw rod or the second screw rod extends out of the bending section of the limiting rod, and a hand wheel II is fixed at the penetrating end of the first screw rod or the second screw rod.

By adopting the technical scheme, the gear engagement is utilized, when the first screw rod is driven to rotate, the second screw rod can perform synchronous reverse displacement rotation, and the synchronous reverse displacement work of the first guide block and the second guide block can be realized due to the fact that the screw threads of the first screw rod and the second screw rod are the same in a reverse direction, so that the first guide block and the second guide block can be conveniently driven by workers.

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

1. the straight type cutters are arranged between the adjacent annular cutters, when the plates are cut, the annular cutters cut required circular products, the straight type cutters cut easy-to-tear lines on the plates between the circular products, when the circular products are taken out manually, only the plates need to be torn in the horizontal direction, the plates can be broken along the easy-to-tear lines, meanwhile, the circular products automatically drop from the plates, separation work of the circular products and waste edges is achieved, the tearing mode does not need to directly tear the required circular products, the circular products are convenient to separate, damage to the circular products can be reduced, product quality is improved, and loss is reduced;

2. a concave groove for sliding the cutting and pressing piece is formed in the upper die, and then the cutting and pressing piece is positioned through the limiting piece, so that the cutting and pressing pieces with different quantities can be arranged according to the size of a plate of an actual die-cutting product or the quantity of round products to be cut, and the die-cutting work of the product is facilitated.

Drawings

Fig. 1 is a schematic view of the overall structure of a die-cutting mechanism for enhancing efficiency and quality according to embodiment 1 of the present application.

Fig. 2 is a schematic structural view of the upper die and the cutter in fig. 1.

Fig. 3 is a schematic view of a partially exploded structure of the cutting member of fig. 2.

Fig. 4 is an enlarged schematic view at a in fig. 3.

Fig. 5 is a schematic structural diagram of the limiting element in fig. 1.

Fig. 6 is a schematic structural diagram of a limiting block and a limiting rod in embodiment 2 of the present application.

Fig. 7 is an enlarged schematic view at B in fig. 6.

Description of reference numerals: 1. a body; 2. a lower die; 3. an upper die; 4. a hydraulic cylinder; 5. a concave groove; 6. cutting and pressing parts; 61. mounting blocks; 62. a ring-shaped cutter; 63. a straight type cutter; 64. a support block; 641. a vertical block; 642. a horizontal block; 7. an insert member; 71. a fixed block; 72. inserting a rod; 73. a sliding groove; 74. positioning a groove; 75. a compression spring; 76. a deflector rod; 8. a limiting member; 81. a limiting rod; 82. bending the section; 83. a screw rod transmission part; 831. a guide bar; 832. a third screw rod; 833. a first hand wheel; 84. a chute; 85. a limiting block; 86. a limiting groove; 87. a drive block; 88. a first guide block; 89. a second guide block; 810. a drive slot; 9. a wire rod member; 91. a first screw rod; 92. a second screw rod; 93. a second hand wheel; 94. a gear; 10. a threaded rod; 11. mounting grooves; 12. connecting columns; 13. a slot; 14. and (5) extending the section.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The application discloses a die-cutting mechanism for improving efficiency and quality, which is used for die-cutting vibrating membranes in earphone, earmuff or sound products.

Example 1

Referring to fig. 1 and 2, a die cutting mechanism for improving efficiency and quality comprises a machine body 1, wherein a lower die 2 for supporting a plate is arranged on the machine body 1, the machine body 1 is connected with an upper die 3 through a lifting piece, and the upper die 3 is positioned right above the lower die 2 and is driven by the lifting piece to perform vertical displacement work; in this embodiment, the lifter adopts four pneumatic cylinders 4, and four pneumatic cylinders 4 are in four edges of the lower extreme of last mould 3 respectively, and the cylinder body of pneumatic cylinder 4 sinks and sets up in organism 1, and the telescopic shaft of pneumatic cylinder 4 is fixed with last mould 3. The lower end of the upper die 3 is provided with a cutting and pressing piece 6, after the plate is placed on the lower die 2, the hydraulic cylinder 4 works to drive the lower die 2 to move downwards, the cutting and pressing piece 6 performs die cutting on the plate, and then the required product and the waste edge are manually separated to obtain the required product.

In this embodiment, the lower end surface of the upper mold 3 is provided with a concave groove 5 with an opening at one end, the other end of the concave groove 5 is in a closed state, and a plurality of groups of cutting parts 6 are arranged in the concave groove 5 according to different die-cutting products, when the plurality of groups of cutting parts 6 are arranged in the concave groove 5, one cutting part 6 is abutted against the closed end of the concave groove 5, and the cutting machine at one side of the opening end of the concave groove 5 is positioned by a limiting part 8 arranged on the upper mold 3;

the cutting and pressing piece 6 comprises a mounting block 61, and the mounting block 61 moves into the concave groove 5 along the opening end of the concave groove 5; the lower extreme of installation piece 61 distributes along self length direction equidistance has the multiunit annular cutter 62, is provided with the straight type cutter 63 of multiunit between the adjacent annular cutter 62, and the lower extreme of straight type cutter 63 flushes with annular cutter 62 lower extreme, and when cutting panel, annular cutter 62 cuts panel with straight type cutter 63 simultaneously.

Referring to fig. 3, the upper end of the annular cutter 62 is closed, the upper end of the annular cutter 62 is coaxially fixed with the threaded rod 10, the lower end of the mounting block 61 is correspondingly provided with a threaded hole, the threaded rod 10 is inserted into the threaded hole and is in threaded connection with the mounting block 61, the annular cutter 62 and the mounting block 61 are detachably connected, and the annular cutters 62 with different diameters can be replaced.

Referring to fig. 3 and 4, in the present embodiment, three straight cutters 63 are disposed between adjacent annular cutters 62 (different numbers of straight cutters 63 may be disposed according to different products); the three straight cutters 63 form a group, the upper ends of the three straight cutters 63 are simultaneously fixed on a supporting block 64, the supporting block 64 comprises a horizontal block 642 and a vertical block 641 which are fixed into a whole, and the vertical block 641 is arranged at the upper end of the horizontal block 642; the mounting groove 11 has been seted up to the lower extreme of installation piece 61, and vertical piece 641 is the same size with mounting groove 11, and still is provided with the inserted bar spare 7 of fixed vertical piece 641 in the installation piece 61.

The plug rod piece 7 comprises a fixed block 71, a sliding groove 73 communicated with the mounting groove 11 is formed in the mounting block 61, the sliding groove 73 is perpendicular to the length direction of the mounting block 61, the length of the sliding groove 73 is larger than that of the fixed block 71, the fixed block 71 is connected in the sliding groove 73 in a sliding mode, a plug rod 72 is fixed at one end, away from the mounting groove 11, of the fixed block 71, one end of the plug rod 72 extends out of the mounting block 61, and a driving rod 76 is fixed at the extending end of the plug rod 72; meanwhile, a positioning groove 74 communicated with the sliding groove 73 is formed in the supporting block 64, a compression spring 75 is sleeved on a section of the inserted link 72 between the fixed block 71 and the sliding groove 73, and under the initial state of the compression spring 75, the state that the part of the fixed block 71, which is positioned in the sliding groove 73, is positioned in the mounting groove 11 is maintained; in this embodiment, the lower end of the section of the fixing block 71 in the mounting groove 11 is a guide inclined plane; when the supporting block 64 is inserted into the mounting groove 11 from bottom to top, the vertical block 641 is abutted to the guide slope to drive the horizontal displacement of the fixing block 71, so that the vertical block 641 can be completely inserted into the mounting groove 11, the fixing block 71 is partially inserted into the positioning groove 74 of the vertical block 641 under the elastic action of the compression spring 75, and the part of the fixing block 71 is remained in the sliding groove 73, thereby realizing the fixing operation of the straight cutter 63 and the mounting block 61.

In this embodiment, the mounting block 61 is located at one side of the shift lever 76, and the extension section 14 is fixed at two ends of the mounting block 61 in the length direction, and the length of the extension section 14 is greater than the displacement distance of the insert rod 72; meanwhile, in order to keep the stability of the adjacent cutting and pressing parts 6, a connecting column 12 is vertically fixed at one end, away from the extension section 14, of the mounting block 61, a slot 13 for the connecting column 12 to be inserted is correspondingly formed in the extension section 14, and the stable connection of the adjacent mounting block 61 is improved through the insertion matching of the connecting column 12 and the slot 13. When the adjacent mounting blocks 61 are abutted, due to the existence of the extension section 14, a space enough for the displacement of the inserted rod 72 is reserved between the adjacent mounting blocks 61, so that the replacement work of the straight type cutting knife 63 can be facilitated. In this embodiment, the connecting column 12 is not required to be arranged on the mounting block 61 abutting against the closed section of the concave groove 5.

Referring to fig. 2 and 5, the limiting member 8 includes a limiting rod 81 located at the upper end of the upper die 3 and arranged in parallel with the mounting block 61, two ends of the upper die 3 in the length direction of the limiting rod 81 are respectively provided with a sliding groove 84, the sliding grooves 84 penetrate through the upper end of the upper die 3 and are arranged perpendicular to the limiting rod 81, meanwhile, two ends of the limiting rod 81 are bent downward to form a bending section 82 inserted into the sliding grooves 84, and the lower end of the bending section 82 is higher than the top wall of the concave groove 5; the bending section 82 is provided with a limiting groove 86 penetrating through the upper end and the lower end, a limiting block 85 is inserted in the limiting groove 86, the limiting block 85 is longer than the limiting groove 86, and a stop block with a cross section larger than that of the limiting block 85 is fixed at the upper end of the limiting block 85; under the stopper 85 dead weight state, the lower extreme is less than the 5 roof walls of concave groove, can with the lateral wall butt of installation piece 61 towards the 5 open ends of concave groove. In this embodiment, the upper die 3 is further provided with a screw transmission member 83 for driving the limiting rod 81 to slide along the length direction of the sliding groove 84.

The screw rod transmission member 83 comprises a third screw rod 832 and a guide rod 831 which are arranged in parallel, the third screw rod 832 and the guide rod 831 are both arranged in parallel with the length direction of the sliding groove 84, the third screw rod 832 is rotatably connected to the upper die 3, the guide rod 831 is fixed on the upper die 3, a threaded hole for the third screw rod 832 to pass through and a through hole for the guide rod 831 to pass through are correspondingly formed in the limiting rod 81, the third screw rod 832 passes through the threaded hole to be in threaded fit with the limiting rod 81, and a first hand wheel 833 is coaxially fixed on one side of the third screw rod 832, which is positioned at the opening end of the concave groove 5. The first hand wheel 833 drives the third screw rod 832 to rotate, so that the horizontal displacement of the limiting rod 81 on the upper die 3 can be realized, the limiting block 85 is further driven to abut against the side wall of one mounting block 61 of the limiting block, and the limiting work of the cutting and pressing piece 6 in the concave groove 5 is realized.

The implementation principle of the die-cutting mechanism for improving efficiency and quality is as follows: fixing the annular cutter 62 on the mounting block 61 through a threaded column, inserting the vertical block 641 into the mounting groove 11, keeping part of the fixing block 71 in the positioning groove 74 of the vertical block 641 under the elastic action of the compression spring 75, keeping part of the fixing block 71 in the sliding groove 73, fixing the straight cutter 63, sliding one or more groups of mounting blocks 61 into the concave groove 5 along the opening end of the concave groove 5 according to the number of die-cut products, inserting the limit block 85 into the limit groove 86, driving the hand wheel I833 to drive the lead screw III 832 to rotate, driving the limit rod 81 to move towards one side of the mounting block 61, enabling the limit block 85 to abut against the mounting block 61 at one side of the opening end of the concave groove 5, and fixing the mounting block 61; place the panel that will need cut on lower mould 2 again, and then pneumatic cylinder 4 work orders about last mould 3 displacement down, cuts panel, and then artifical manual tearing panel, with the separation of required circular product, accomplish the cross cutting work of its prototype product.

Example 2

Referring to fig. 6 and 7, the die cutting mechanism with enhanced efficiency and enhanced mass is different from embodiment 1 in that a limiting block 85 is inserted into a limiting groove 86 of a bending section 82 of a limiting rod 81, a driving block 87 is fixed on a section of side wall of the limiting block 85 in the limiting groove 86, the driving block 87 is an isosceles trapezoid with a lower bottom fixed with the limiting block 85, and the upper side surface and the lower side surface of the driving block 87 are arranged in an inclined plane; a driving groove 810 communicated with the limiting groove 86 is formed in the bending section 82, the driving block 87 is positioned in the driving groove 810, and the height of the driving groove 810 is greater than that of the driving block 87, so that the driving block 87 can vertically displace in the driving groove 810; in order to provide a driving force for vertical displacement of the driving block 87 and the limiting block 85, a first guide block 88 and a second guide block 89 are arranged in the driving groove 810, and a screw rod part 9 for driving the first guide block 88 and the second guide block 89 to synchronously and reversely displace in a direction vertical to the length direction of the limiting block 85 is also arranged in the bending section 82; the first guide block 88 is abutted with the upper side face of the driving block 87, the second guide block 89 is abutted with the lower side face of the driving block 87, and in an initial state, the first guide block 88 is far away from the limiting block 85, and the second guide block 89 is close to the limiting block 85; the side walls of the first guide block 88 and the second guide block 89 which are far away from each other are abutted against the top wall and the straight surface of the top wall of the driving groove 810; when the first guide block 88 and the second guide block 89 are driven by the screw rod piece 9 to move, the first guide block 88, the second guide block 89 and the driving block 87 are in inclined transmission, so that the driving block 87 and the limiting block 85 are vertically moved, and the lower end of the limiting block 85 can be lower than or higher than the top wall of the concave groove 5 in the vertical moving process.

The screw rod piece 9 comprises a first screw rod 91 and a second screw rod 92 which are parallel to each other, the first screw rod 91 is arranged perpendicular to the length direction of the limiting block 85, penetrates through the first guide block 88 and is in threaded fit with the first guide block 88, and the second screw rod 92 penetrates through the second guide block 89 and is in threaded fit with the second guide block 89; meanwhile, the thread directions of the first screw rod 91 and the second screw rod 92 are the same, and gears 94 which are meshed with each other are coaxially fixed on the first screw rod 91 and the second screw rod 92 respectively; one end of the first screw rod 91 extends out of the bending section 82, and a second hand wheel 93 is coaxially fixed at the extending end of the first screw rod 91. The first lead screw 91 is driven to rotate by the second hand wheel 93, so that the second lead screw 92 can be driven to synchronously and reversely rotate, synchronous reverse displacement of the first guide block 88 and the second guide block 89 is realized, and vertical displacement work of the limiting block 85 is finally realized.

The implementation principle of the die-cutting mechanism for improving efficiency and quality is as follows: when the cutting parts 6 in the concave groove 5 are increased or reduced, the first lead screw 91 can be driven to rotate through the second hand wheel 93, the second lead screw 92 is driven to synchronously rotate reversely, synchronous reverse displacement of the first guide block 88 and the second guide block 89 is realized, vertical displacement of the limiting block 85 is realized under the inclined surface transmission work of the driving block 87, the limiting block 85 is abutted against the side wall of the mounting block 61, all the cutting parts 6 in the concave groove 5 are fixed, or the mounting block 61 is abutted against the side wall of the mounting block 61 in a contact manner, the mounting block 61 can slide in the concave groove 5, and the cutting parts 6 are increased or reduced.

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

1. A die cutting mechanism for improving efficiency and quality comprises a machine body (1), wherein the machine body (1) is provided with a lower die (2) and an upper die (3) positioned right above the lower die (2), and the machine body (1) is provided with a lifting piece for driving the upper die (3) to lift; be provided with cutting and pressing piece (6) in last mould (3), its characterized in that: the cutting and pressing piece (6) comprises an installation block (61), a plurality of annular cutters (62) are distributed on the installation block (61) along the length direction of the installation block, a plurality of straight cutters (63) are arranged between every two adjacent annular cutters (62), and the annular cutters (62) and the straight cutters (63) are detachably connected with the installation block (61).

2. The efficiency and quality enhancement die-cutting mechanism of claim 1, wherein: a plurality of straight type cutters (63) between adjacent annular cutters (62) are in a group, the upper ends of the straight type cutters (63) in the same group are fixed with supporting blocks (64), the lower end of the mounting block (61) is provided with a mounting groove (11), the supporting blocks (64) are inserted into the mounting groove (11), and an inserting rod piece (7) for fixing the supporting blocks (64) is arranged in the mounting block (61).

3. The efficiency and quality enhancement die-cutting mechanism of claim 2, wherein: the plug rod piece (7) comprises a fixed block (71) and a plug rod (72) fixed to one end of the fixed block (71), a sliding groove (73) communicated with the installation groove (11) is formed in the installation block (61), a positioning groove (74) communicated with the sliding groove (73) in the plugging process is correspondingly formed in the supporting block (64), the fixed block (71) is connected into the sliding groove (73) in a sliding mode, the plug rod (72) extends out of the installation block (61), and a compression spring (75) is sleeved between the fixed block (71) and the sliding groove (73) of the plug rod (72); under the initial state of the compression spring (75), the fixed block (71) is partially positioned outside the sliding groove (73).

4. The efficiency and quality enhancement die-cutting mechanism according to any one of claim 1, wherein: the upper end of the annular cutter (62) is coaxially fixed with a threaded rod (10), and the mounting block (61) is correspondingly provided with a threaded hole matched with the threaded rod (10).

5. The effect-enhancing and quality-enhancing die-cutting mechanism according to any one of claims 1 to 4, wherein: the lower surface of the upper die (3) is provided with a concave groove (5) with one end provided with an opening, and the other end of the concave groove (5) is closed; the cutting and pressing pieces (6) are connected in the concave grooves (5) in a sliding manner and at least provided with one group; and the lower die (2) is also provided with a limiting piece (8) for positioning the displacement of the cutting and pressing piece (6).

6. The effect-enhancing and quality-enhancing die-cutting mechanism of claim 5, wherein: the limiting piece (8) comprises a limiting rod (81) which is arranged in parallel with the mounting block (61) and is connected to the upper end of the upper die (3) in a sliding manner, sliding grooves (84) which are vertical to the limiting rod (81) are respectively formed in two ends of the lower die (2) in the length direction of the limiting rod (81), and two ends of the limiting rod (81) are bent to extend into the sliding grooves (84) and slide along the length direction of the sliding grooves (84); a limiting block (85) penetrating through the sliding groove (84) is vertically inserted into the bending section (82) of the limiting rod (81); and the upper die (3) is also provided with a screw rod transmission piece (83) for driving the limiting rod (81) to move along the length direction of the sliding groove (84).

7. The efficiency and quality enhancement die-cutting mechanism of claim 6, wherein: the upper end of the limiting block (85) is fixed with a stop block with a cross section larger than the cross section of the stop block.

8. The efficiency and quality enhancement die-cutting mechanism of claim 6, wherein: a vertically arranged limiting groove (86) is formed in the bending section (82) of the limiting rod (81), the limiting block (85) is inserted into the limiting groove (86), a driving block (87) is fixed on one section of side wall, located in the limiting groove (86), of the limiting block (85), the driving block (87) is arranged in an isosceles trapezoid mode, wherein the lower bottom of the driving block (87) is arranged with the limiting block (85), and the upper side face and the lower side face of the driving block (87) are arranged in an inclined plane mode; a driving groove (810) communicated with the limiting groove (86) is further formed in the bending section (82) of the limiting rod (81), a first guide block (88) and a second guide block (89) are connected in the driving groove (810) in a sliding mode and perpendicular to the limiting rod (81), the first guide block (88) and the second guide block (89) are in one-to-one correspondence with the inclined plane of the driving block (87) respectively, and in the sliding process, inclined plane transmission is generated between the first guide block (88) and the second guide block (89) and the inclined plane of the driving block (87); and a screw rod piece (9) for driving a first guide block (88) and a second guide block (89) to synchronously and reversely move is further arranged in the bending section (82) of the limiting rod (81).

9. The effect-enhancing and quality-enhancing die-cutting mechanism of claim 8, wherein: the side walls of the first guide block (88) and the second guide block (89), which are far away from each other, are abutted against the straight surface of the inner wall of the driving groove (810); the screw rod piece (9) comprises a first screw rod (91) and a second screw rod (92) which are arranged in parallel and are rotatably connected to the bending section (82) of the limiting rod (81), the first screw rod (91) is perpendicular to the limiting block (85), the first screw rod (91) penetrates through the first guide block (88) and is in threaded fit with the first guide block (88), and the second screw rod (92) penetrates through the second guide block (89) and is in threaded fit with the second guide block (89).

10. The effect-enhancing and quality-enhancing die-cutting mechanism of claim 9, wherein: the screw thread direction of the first screw rod (91) is the same as that of the second screw rod (92), gears (94) which are meshed with each other are coaxially fixed on the first screw rod (91) and the second screw rod (92) respectively, one end of the first screw rod (91) or the second screw rod (92) extends out of the bending section (82) of the limiting rod (81), and a second hand wheel (93) is fixed at the penetrating end of the first screw rod (91) or the second screw rod (92).