Paperboard die-cutting machine

Abstract

The utility model relates to the technical field of die-cutting machines, in particular to a paperboard die-cutting machine, which improves the flatness of two sides of a paperboard and the processing quality of the paperboard by cutting the edge of the paperboard, improves the convenience of paperboard conveying and die-cutting processing by continuously conveying the paperboard, reduces the structural complexity and improves the reliability. Comprising a base and a platform, the machine further comprises a lifting device, an edge cutting device, two conveying belts, a lower die and an upper die, the two conveying belts are oppositely installed on the front side and the rear side of the top end of the base respectively, the lower die is arranged on the platform and penetrates through the platform and the interior of the base, the upper die is installed on the lifting device, and the upper die and the lower die are oppositely arranged up and down. The lifting device is used for driving the upper die to move in a lifting mode, and the edge cutting device is arranged on the base and used for conducting die cutting treatment on the edges of the two sides of the paperboard.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting machines, in particular to a cardboard die-cutting machine. Background Art

[0002] Cardboard die-cutting machine is a machine used for die-cutting cardboard in the carton forming process. It is generally divided into two types of die-cutting: flat-pressing and round-pressing. Die-cutting machine is widely used in the printing industry and is an indispensable equipment.

[0003] For example, in the patent with the prior art authorization announcement number CN219788628U, the application discloses a cardboard die-cutting machine, which belongs to the technical field of die-cutting machines. The key points of its technical solution are: a base; a conveying device, which is placed on both sides of the base; a die-cutting device, which is installed on the base, and the die-cutting device includes an upper die base and a lower die base; an ejection mechanism, which is installed on the base; a lifting mechanism, which is installed between the base and the lower die base; wherein the lower die base is movably installed on the base, the upper die base is provided with a die-cutting knife, and the lower die base is provided with a die-cutting groove adapted to the die-cutting knife.

[0004] However, during the use of the die-cutting machine, it was found that the die-cutting machine was not convenient for die-cutting the edges of the cardboard on both sides, which reduced the processing quality of the cardboard. In addition, the die-cutting machine had a relatively complex conveying structure for the cardboard, which increased the equipment cost and reduced the reliability of the equipment. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a cardboard die-cutting machine which improves the flatness of both sides of the cardboard and the processing quality of the cardboard by cutting the edges of the cardboard, improves the convenience of cardboard transportation and die-cutting by continuously conveying the cardboard, reduces the complexity of the structure, and improves the reliability.

[0006] The utility model discloses a cardboard die-cutting machine, comprising a base and a platform, wherein the platform is installed at the middle of the top of the base; further comprising a lifting device, a trimming device, two groups of conveyor belts, a lower mold and an upper mold, wherein the two groups of conveyor belts are respectively installed oppositely at the front and rear sides of the top of the base, the lower mold is arranged on the platform, and the lower mold passes through the platform and the inside of the base, the upper mold is arranged on the lifting device, the upper mold and the lower mold are arranged oppositely up and down, the lifting device is used to drive the upper mold to lift and move, the trimming device is arranged on the base, and the trimming device is used to die-cut the edges of the cardboard on both sides; the cardboard is placed on the two groups of conveyor belts so that the platform The table guides and supports the middle part of the cardboard, and then conveys the cardboard forward after rotating through two sets of conveyor belts, so that the cardboard is first cut by the edge cutting device, thereby improving the flatness of both sides of the cardboard and improving the processing quality of the cardboard. When the cardboard moves to above the lower mold, the upper mold is driven downward by the lifting device, so that the upper mold and the lower mold cooperate to die-cut the cardboard, and the waste after die-cutting passes through the lower mold and falls downward. The cardboard is continuously conveyed by the conveyor belt, thereby improving the convenience of the die-cutting machine to convey and die-cut the cardboard, reducing the structural complexity of the die-cutting machine, and improving the reliability of use.

[0007] Preferably, the trimming device comprises a supporting device, a supporting seat, a spline rod, two sets of kits, two sets of cutters, a motor and two sets of top screws, the supporting seat is mounted on the supporting device, the supporting device is used to provide a downward pushing force for the supporting seat, both ends of the spline rod are rotatably mounted on the inner side wall of the supporting seat, the two sets of kits are respectively slidably mounted on the outer side walls of the two sets of spline rods, the two sets of cutters are respectively mounted on the outer side walls of the two sets of kits, the motor is mounted on the outer side wall of the supporting seat, the output end of the motor is connected to the end of the spline rod, and the two sets of top screws are respectively screwed on the two sets of kits; The support device provides a downward driving force to the support seat, so that the support seat pushes the two sets of cutters to be close to the top surfaces of the two sets of conveyor belts. When the two sets of conveyor belts convey the cardboard forward, both sides of the cardboard pass under the two sets of cutters, and the spline rod is driven by the motor to rotate. After the spline rod rotates, it drives the two sets of kits to rotate, so that the two sets of cutters rotate to cut the edges of both sides of the cardboard smoothly. By sliding and adjusting the two sets of kits on the spline rod, the convenience of adjusting the cutting position of the two sets of cutters is improved. By rotating and adjusting the two sets of top screws, the convenience of positioning the two sets of kits is improved.

[0008] Preferably, the support device includes a bracket, multiple groups of first guide columns, multiple groups of springs, a connecting piece and a first push cylinder. The bracket is installed on the base, the multiple groups of first guide columns are slidably installed on the bracket, the bottom ends of the multiple groups of first guide columns are connected to the top end of the support seat, the multiple groups of springs are respectively fitted on the outer side walls of the multiple groups of first guide columns, the bottom end of the connecting piece is connected to the top end of the support seat, the connecting piece is slidably installed on the bracket, and the first push cylinder is installed on the top end of the bracket; the support seat is provided with a downward pushing force by the multiple groups of springs, so that the two groups of cutters cut the edges of the cardboard, and the connecting piece is pushed upward by the moving end of the first push cylinder, so that the connecting piece drives the support seat to move upward, thereby improving the convenience of position adjustment after the two groups of cutters move upward.

[0009] Preferably, the lifting device includes a second push cylinder and a second guide column, the second push cylinder is installed at the top of the bracket, the movable end of the second push cylinder is connected to the top of the upper mold, the second guide column is slidably installed on the bracket, and the bottom end of the second guide column is connected to the top of the upper mold; the upper mold is driven to move up and down by the second guide column, thereby improving the convenience of the upper mold and the lower mold cooperating to die-cut the cardboard.

[0010] Preferably, it also includes a guide cover, which is installed at the bottom end of the base and is arranged below the lower mold; the waste discharged from the lower mold is collected by the guide cover, thereby improving the convenience of waste diversion and transportation.

[0011] Preferably, two sets of cutting pads are further included, and the two sets of cutting pads are respectively installed on the top of the two sets of conveyor belts; by making the two sets of cutters contact the two sets of cutting pads, the convenience of the two sets of cutters cutting the cardboard is improved.

[0012] Preferably, it also includes a plurality of groups of limit blocks, which are circumferentially installed on the outer side walls of the two groups of conveyor belts respectively; by arranging the plurality of groups of limit blocks, the anti-slip effect of the two groups of conveyor belts on cardboard transportation is improved.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the cardboard is placed on two sets of conveyor belts, so that the platform guides and supports the middle part of the cardboard, and then the cardboard is conveyed forward after the two sets of conveyor belts rotate, so that the cardboard is firstly subjected to edge cutting processing by the trimming device, thereby improving the flatness of both sides of the cardboard and improving the processing quality of the cardboard; when the cardboard moves to above the lower mold, the upper mold is driven downward by the lifting device, so that the upper mold cooperates with the lower mold to die-cut the cardboard, and the waste after die-cutting passes through the lower mold and falls downward, and the cardboard is continuously conveyed by the conveyor belt, thereby improving the convenience of the die-cutting machine for conveying and die-cutting the cardboard, reducing the structural complexity of the die-cutting machine, and improving the reliability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the connection between the base and the platform;

[0016] Figure 3 It is a schematic diagram of the axonometric local structure of the connection between the support seat and the connecting parts;

[0017] Figure 4 It is a schematic diagram of the partial isometric structure of the connection between the upper die and the second push cylinder;

[0018] Figure 5 It is a schematic diagram of the axonometric structure of the connection between the platform and the lower mold.

[0019] Markings in the attached drawings: 1. base; 2. platform; 3. conveyor belt; 4. lower mold; 5. upper mold; 6. support seat; 7. spline rod; 8. kit; 9. cutter; 10. motor; 11. top screw; 12. bracket; 13. first guide column; 14. spring; 15. connecting part; 16. first push cylinder; 17. second push cylinder; 18. second guide column; 19. deflector; 20. cutting pad; 21. limit block. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a cardboard die-cutting machine of the utility model comprises a base 1 and a platform 2, wherein the platform 2 is installed at the middle of the top of the base 1; further comprising a lifting device, a trimming device, two sets of conveyor belts 3, a lower mold 4 and an upper mold 5, wherein the two sets of conveyor belts 3 are respectively installed at the front and rear sides of the top of the base 1 opposite to each other, the lower mold 4 is arranged on the platform 2, and the lower mold 4 passes through the platform 2 and the inside of the base 1, the upper mold 5 is installed on the lifting device, the upper mold 5 and the lower mold 4 are arranged opposite to each other up and down, the lifting device is used to drive the upper mold 5 to move up and down, the trimming device is arranged on the base 1, and the trimming device is used to die-cut the edges of the cardboard on both sides;

[0023] like Figure 3As shown, the trimming device includes a supporting device, a supporting seat 6, a spline rod 7, two sets of kits 8, two sets of cutters 9, a motor 10 and two sets of top screws 11. The supporting seat 6 is installed on the supporting device, and the supporting device is used to provide a downward driving force for the supporting seat 6. Both ends of the spline rod 7 are rotatably installed on the inner wall of the supporting seat 6. The two sets of kits 8 are respectively slidably sleeved on the outer walls of the two sets of spline rods 7. The two sets of cutters 9 are respectively installed on the outer walls of the two sets of kits 8. The motor 10 is installed on the outer wall of the supporting seat 6. The output end of the motor 10 is connected to the end of the spline rod 7. The two sets of top screws 11 are respectively screwed on the two sets of kits 8.

[0024] In this embodiment, the cardboard is placed on two sets of conveyor belts 3, so that the platform 2 guides and supports the middle part of the cardboard, and then the cardboard is conveyed forward after the two sets of conveyor belts 3 rotate, so that the cardboard is first edge-cut by the trimming device, thereby improving the flatness of both sides of the cardboard and improving the processing quality of the cardboard. When the cardboard moves to above the lower mold 4, the upper mold 5 is driven downward by the lifting device, so that the upper mold 5 cooperates with the lower mold 4 to die-cut the cardboard, and the waste after die-cutting passes through the lower mold 4 and falls downward, and the cardboard is continuously conveyed by the conveyor belt 3, thereby improving the convenience of the die-cutting machine for conveying and die-cutting the cardboard, reducing the structural complexity of the die-cutting machine, and improving the reliability of use.

[0025] Example 2

[0026] On the basis of Example 1, Figure 2 and Figure 3 As shown, a cardboard die-cutting machine of the utility model, the supporting device includes a bracket 12, multiple groups of first guide columns 13, multiple groups of springs 14, a connecting member 15 and a first push cylinder 16, the bracket 12 is installed on the base 1, the multiple groups of first guide columns 13 are slidably installed on the bracket 12, the bottom ends of the multiple groups of first guide columns 13 are connected to the top of the support seat 6, the multiple groups of springs 14 are respectively fitted on the outer side walls of the multiple groups of first guide columns 13, the bottom end of the connecting member 15 is connected to the top of the support seat 6, the connecting member 15 is slidably installed on the bracket 12, and the first push cylinder 16 is installed on the top of the bracket 12;

[0027] like Figure 2 As shown, the lifting device includes a second push cylinder 17 and a second guide column 18, the second push cylinder 17 is installed on the top of the bracket 12, the moving end of the second push cylinder 17 is connected to the top of the upper mold 5, the second guide column 18 is slidably installed on the bracket 12, and the bottom end of the second guide column 18 is connected to the top of the upper mold 5;

[0028] like Figure 2 As shown, it also includes a guide cover 19, which is installed at the bottom end of the base 1 and is arranged below the lower mold 4;

[0029] like Figure 2As shown, two sets of cutting pads 20 are also included, and the two sets of cutting pads 20 are respectively installed on the top of the two sets of conveyor belts 3;

[0030] like Figure 2 As shown, it also includes a plurality of groups of limit blocks 21, which are circumferentially mounted on the outer side walls of the two groups of conveyor belts 3;

[0031] In this embodiment, a downward driving force is provided to the support seat 6 by the support device, so that the support seat 6 pushes the two sets of cutters 9 to be close to the top surfaces of the two sets of conveyor belts 3. When the two sets of conveyor belts 3 convey the cardboard forward, the two sides of the cardboard pass under the two sets of cutters 9, and the spline rod 7 is driven to rotate by the motor 10. After the spline rod 7 rotates, the two sets of kits 8 are driven to rotate, so that the two sets of cutters 9 cut the edges of the cardboard on both sides smoothly after rotation, and the convenience of adjusting the cutting position of the two sets of cutters 9 is improved by sliding and adjusting the two sets of kits 8 on the spline rod 7, and the convenience of positioning the two sets of kits 8 is improved by rotating and adjusting the two sets of top screws 11, and the downward driving force is provided to the support seat 6 by multiple sets of springs 14, so that the two sets of cutters 9 cut the edges of the cardboard, and the connecting member 15 is pushed upward by the moving end of the first push cylinder 16, so that the connecting member 15 drives the support seat 6 to move upward, and the convenience of position adjustment after the two sets of cutters 9 move upward is improved.

[0032] The utility model discloses a cardboard die-cutting machine. When the cardboard is working, the cardboard is placed on two groups of conveyor belts 3, so that the platform 2 guides and supports the middle part of the cardboard, and then the cardboard is conveyed forward after the two groups of conveyor belts 3 rotate, so that the cardboard is firstly cut by the edge cutting device, and when the cardboard moves to above the lower mold 4, the upper mold 5 is driven to move downward by the lifting device, so that the upper mold 5 cooperates with the lower mold 4 to die-cut the cardboard, and the waste after die-cutting passes through the lower mold 4 and falls downward, and the cardboard is continuously conveyed by the conveyor belt 3.

[0033] The conveyor belt 3, the motor 10, the first push cylinder 16 and the second push cylinder 17 of the cardboard die-cutting machine of the utility model are purchased on the market. The technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for the technicians in this field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cardboard die-cutting machine, comprising a base (1) and a platform (2), wherein the platform (2) is mounted at the middle of the top of the base (1); characterized in that: The invention also comprises a lifting device, a trimming device, two groups of conveyor belts (3), a lower mold (4) and an upper mold (5), wherein the two groups of conveyor belts (3) are respectively mounted on the front and rear sides of the top of the base (1) facing each other, the lower mold (4) is arranged on the platform (2), and the lower mold (4) passes through the platform (2) and the inside of the base (1), the upper mold (5) is mounted on the lifting device, the upper mold (5) and the lower mold (4) are arranged opposite to each other up and down, the lifting device is used to drive the upper mold (5) to move up and down, the trimming device is arranged on the base (1), and the trimming device is used to perform die-cutting processing on the edges of the paperboard on both sides.

2. A cardboard die-cutting machine as claimed in claim 1, characterized in that: The trimming device comprises a supporting device, a supporting seat (6), a spline rod (7), two sets of kits (8), two sets of cutters (9), a motor (10) and two sets of top screws (11); the supporting seat (6) is mounted on the supporting device; the supporting device is used to provide a downward pushing force for the supporting seat (6); both ends of the spline rod (7) are rotatably mounted on the inner side wall of the supporting seat (6); the two sets of kits (8) are respectively slidably mounted on the outer side walls of the two sets of spline rods (7); the two sets of cutters (9) are respectively mounted on the outer side walls of the two sets of kits (8); the motor (10) is mounted on the outer side wall of the supporting seat (6); the output end of the motor (10) is connected to the end of the spline rod (7); and the two sets of top screws (11) are respectively screwed on the two sets of kits (8).

3. A cardboard die-cutting machine as claimed in claim 2, characterized in that: The support device comprises a bracket (12), a plurality of groups of first guide columns (13), a plurality of groups of springs (14), a connecting member (15) and a first push cylinder (16); the bracket (12) is mounted on the base (1); the plurality of groups of first guide columns (13) are slidably mounted on the bracket (12); the bottom ends of the plurality of groups of first guide columns (13) are connected to the top end of the support seat (6); the plurality of groups of springs (14) are respectively fitted on the outer side walls of the plurality of groups of first guide columns (13); the bottom end of the connecting member (15) is connected to the top end of the support seat (6); the connecting member (15) is slidably mounted on the bracket (12); and the first push cylinder (16) is mounted on the top end of the bracket (12).

4. A cardboard die-cutting machine as claimed in claim 1, characterized in that: The lifting device comprises a second push cylinder (17) and a second guide column (18), wherein the second push cylinder (17) is mounted on the top of the bracket (12), the movable end of the second push cylinder (17) is connected to the top of the upper mold (5), the second guide column (18) is slidably mounted on the bracket (12), and the bottom end of the second guide column (18) is connected to the top of the upper mold (5).

5. A cardboard die-cutting machine as claimed in claim 1, characterized in that: It also includes a flow guide cover (19), which is installed at the bottom end of the base (1) and is arranged below the lower mold (4).

6. A cardboard die-cutting machine as claimed in claim 1, characterized in that: It also comprises two groups of cutting pads (20), which are respectively installed on the top ends of the two groups of conveyor belts (3).

7. A cardboard die-cutting machine as claimed in claim 1, characterized in that: It also comprises a plurality of groups of limit blocks (21), which are respectively circumferentially mounted on the outer side walls of the two groups of conveyor belts (3).

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