Universal tool rest of rotary die-cutting machine

Abstract

The utility model discloses a universal tool rest of a rotary die-cutting machine, which is applied to the technical field of rotary die-cutting machines, and is characterized in that an electric cylinder is started to enable a connecting block to move through a guide rail, and the connecting block is driven to move when moving, so that two groups of mounting frames can be driven to be close to or far away from each other; one end of the knife roll is clamped on the connecting column of the fixed disc by moving the knife roll, the knife roll is limited through the positioning pin and the positioning hole, then the knife roll is moved to enable the fixed disc to move and compress the spring, and then the knife roll is leveled and slowly moves towards the direction of the limiting disc; the other end of the knife roll is connected with the connecting column on the limiting disc, the positioning pin on the limiting disc is clamped into the positioning hole, then the knife roll is loosened, the knife roll is tightly attached to the limiting disc through resilience force of the spring, the knife roll can be disassembled through reverse operation after installation is completed, and the disassembling and assembling process is convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of circular die cutting machines, in particular to a universal knife holder for a circular die cutting machine. Background Art

[0002] Rotary die-cutting machine is a cutting machine. The rotary die-cutting roller was first used in the printing industry, especially in the cigarette packaging industry. It is a high-efficiency die-cutting tool that replaces flat-bed punching.

[0003] At present, the Chinese utility model with the announcement number CN221048607U discloses a universal knife holder for a rotary die-cutting machine, which relates to the field of paper processing technology. The disassembly and assembly process of the knife roller body of the device is relatively complicated, and there are many matching parts, which are easy to lose, resulting in the operation process being not flexible and convenient. At the same time, the fixing plate and the pushing plate are matching parts. Once lost, the knife roller cannot be fixed, and the versatility is poor. Utility Model Content

[0004] The utility model aims at providing a universal knife holder for a rotary die-cutting machine, which has the advantages of simplifying the installation structure, facilitating the quick disassembly and assembly of the knife roller, and being easy to operate.

[0005] The above technical objectives of the present utility model are achieved through the following technical solutions: a universal knife holder for a rotary die-cutting machine, comprising a base, a mounting bracket provided on the top of the base, a knife roller provided on one side of the mounting bracket, a through slot provided on the top of the base, a sliding rod fixedly connected to the inner wall of the through slot, a slider slidably connected to the outer side of the slide rod, the slider is fixedly connected to the mounting bracket, an adjustment mechanism is provided inside the base, a limiting disk and a fixed disk are respectively provided at both ends of the knife roller, one side of the limiting disk and the fixed disk are rotatably connected to a connecting shaft, the other side of the limiting disk and the fixed disk are fixedly connected to a connecting column, a connecting groove is provided on the inner wall of the knife roller, and a limiting mechanism is provided on the other side of the fixed disk.

[0006] The above technical solution is adopted: start the electric cylinder to move the connecting block through the guide rail, and the connecting block drives the connecting block to move when moving, thereby driving the two sets of mounting frames closer to or farther away from each other, so as to facilitate the installation of knife rollers of different sizes; move the knife roller and clamp one end of it on the connecting column of the fixed disk, limit it through the positioning pin and the positioning hole, then move the knife roller to move the fixed disk and compress the spring, then make the knife roller level, and slowly move the knife roller in the direction of the limit disk, so that the other end of the knife roller is connected to the connecting column on the limit disk, and the positioning pin on the limit disk is clamped in the positioning hole, and then release the knife roller, and the knife roller is pressed against the limit disk by the rebound force of the spring. After the installation is completed, the knife roller can be disassembled by reverse operation. The disassembly and assembly process is convenient and quick.

[0007] The utility model is further configured as follows: the connecting shaft at one end of the limiting plate is rotatably connected to the inner wall of the mounting bracket, and the connecting shaft at one side of the fixing plate is slidably connected to the mounting bracket.

[0008] Adopting the above technical solution: it is convenient for the knife roller to rotate.

[0009] The utility model is further configured such that the adjustment mechanism includes an electric cylinder fixed to one side of the base, the top rod of the electric cylinder is fixedly connected to a connecting block, the inner wall of the connecting block is slidably connected to a guide rail, and the top of the connecting block is rotatably connected to a connecting rod.

[0010] Adopting the above technical solution: it is convenient to adjust the distance between the mounting frames.

[0011] The present invention is further configured such that the bottom of the guide rail is fixedly connected to the top of the inner cavity of the base, and one end of the connecting rod is rotatably connected to the bottom of the mounting bracket.

[0012] The above technical solution is adopted to ensure that the connecting block can remain stable when moving.

[0013] The present invention is further configured such that the limiting mechanism includes a positioning pin fixed to one side of the limiting plate and the fixed plate, a positioning hole is opened on the inner wall of the knife roller, and the positioning pin is engaged with the positioning hole.

[0014] Adopting the above technical solution: it is convenient to limit the knife roller.

[0015] The present invention is further configured such that the limiting mechanism further includes a spring fixed to one end of the connecting shaft, and one end of the spring is fixedly connected to the inner wall of the mounting bracket.

[0016] Adopting the above technical solution: the convenient knife roller can be closely attached to the limiting plate.

[0017] The utility model is further configured such that an anti-dropout block is fixedly connected to the outer side of the connecting shaft, and a limiting groove used in conjunction with the anti-dropout block is opened on the inner wall of the mounting frame.

[0018] The above technical solution can prevent the connecting shaft from being separated from the mounting bracket.

[0019] The present invention is further configured such that the number of the positioning pins is four and they are distributed on one side of the limiting plate and the fixing plate.

[0020] Adopting the above technical solution: the limiting effect on the knife roller is improved.

[0021] In summary, the present invention has the following beneficial effects:

[0022] 1: Start the electric cylinder to move the connecting block through the guide rail. When the connecting block moves, it drives the connecting block to move, thereby driving the two sets of mounting frames closer to or farther away from each other, making it easier to install knife rollers of different sizes.

[0023] 2: Move the knife roller and clamp one end of it on the connecting column of the fixed disk, limit it through the positioning pin and the positioning hole, then move the knife roller to move the fixed disk and compress the spring, then make the knife roller level, and slowly move the knife roller toward the direction of the limit disk, so that the other end of the knife roller is connected to the connecting column on the limit disk, and the positioning pin on the limit disk is stuck in the positioning hole, then release the knife roller, and the spring rebound force makes the knife roller close to the limit disk. After the installation is completed, the knife roller can be disassembled by reverse operation. The disassembly and assembly process is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a structural diagram of the limiting plate and the fixed plate of the utility model;

[0026] Figure 3 This utility model Figure 2 A schematic diagram of the structure at center A;

[0027] Figure 4 It is a structural diagram of the regulating mechanism of the present utility model.

[0028] Figure numerals: 1. base; 2. mounting bracket; 3. knife roller; 4. through groove; 5. slide rod; 6. slider; 7. limit plate; 8. fixed plate; 9. connecting shaft; 10. connecting column; 11. connecting groove; 12. electric cylinder; 13. connecting block; 14. guide rail; 15. connecting rod; 16. positioning pin; 17. positioning hole; 18. spring; 19. anti-slip block. DETAILED DESCRIPTION

[0029] The present invention will be described in further detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] refer to Figure 1 、 Figure 2 and Figure 4 A universal knife holder for a rotary die-cutting machine includes a base 1, a mounting frame 2 is provided on the top of the base 1, a knife roller 3 is provided on one side of the mounting frame 2, a through slot 4 is opened on the top of the base 1, a slide rod 5 is fixedly connected to the inner wall of the through slot 4, a slider 6 is slidably connected to the outer side of the slide rod 5, the slider 6 is fixedly connected to the mounting frame 2, and an adjustment mechanism is provided inside the base 1.

[0032] refer to Figure 1 、 Figure 2 and Figure 4 The adjustment mechanism includes an electric cylinder 12 fixed to one side of the base 1, the top rod of the electric cylinder 12 is fixedly connected to the connecting block 13, the inner wall of the connecting block 13 is slidably connected to the guide rail 14, and the top of the connecting block 13 is rotatably connected to the connecting rod 15.

[0033] refer to Figure 4 The bottom of the guide rail 14 is fixedly connected to the top of the inner cavity of the base 1, and one end of the connecting rod 15 is rotatably connected to the bottom of the mounting bracket 2.

[0034] Brief description of the usage process: Start the electric cylinder 12 to move the connecting block 13 through the guide rail 14. When the connecting block 13 moves, it drives the connecting rod 15 to move, thereby driving the two sets of mounting frames 2 to move closer to or away from each other. When the mounting frames 2 move, they drive the slider 6 to move in the through groove 4. The slider 6 moves through the slide rod 5 to improve the stability of the mounting frame 2 during the movement, thereby facilitating the installation of knife rollers 3 of different sizes.

[0035] Example 2:

[0036] refer to Figure 1 、 Figure 2 and Figure 3 A universal tool holder for a rotary die-cutting machine includes a base 1, a mounting frame 2 is provided on the top of the base 1, a knife roller 3 is provided on one side of the mounting frame 2, a limit plate 7 and a fixed plate 8 are respectively provided at both ends of the knife roller 3, one side of the limit plate 7 and the fixed plate 8 are rotatably connected to a connecting shaft 9, the other side of the limit plate 7 and the fixed plate 8 are fixedly connected to a connecting column 10, a connecting groove 11 is opened on the inner wall of the knife roller 3, and a limiting mechanism is provided on the other side of the fixed plate 8.

[0037] refer to Figure 2 and Figure 3 The connecting shaft 9 at one end of the limiting plate 7 is rotatably connected to the inner wall of the mounting bracket 2, and the connecting shaft 9 on one side of the fixing plate 8 is slidably connected to the mounting bracket 2.

[0038] refer to Figure 2 and Figure 3 The limiting mechanism includes a positioning pin 16 fixed to one side of the limiting plate 7 and the fixed plate 8, and a positioning hole 17 is opened on the inner wall of the knife roller 3, and the positioning pin 16 is engaged with the positioning hole 17.

[0039] refer to Figure 2 and Figure 3 The limiting mechanism also includes a spring 18 fixed to one end of the connecting shaft 9 , and one end of the spring 18 is fixedly connected to the inner wall of the mounting bracket 2 .

[0040] refer to Figure 2 and Figure 3The outer side of the connecting shaft 9 is fixedly connected with an anti-falling block 19, and the inner wall of the mounting frame 2 is provided with a limiting groove used in conjunction with the anti-falling block 19. The anti-falling block 19 and the limiting groove can prevent the connecting shaft 9 from detaching from the mounting frame 2.

[0041] refer to Figure 2 and Figure 3 There are four positioning pins 16 , which are distributed on one side of the limiting plate 7 and the fixing plate 8 .

[0042] Brief description of the usage process: When installing the knife roller 3, move the knife roller 3 and first clamp one end of it on the connecting column 10 on the fixed disk 8. At this time, the positioning pin 16 is clamped in the positioning hole 17. Then move it in the direction of the fixed disk 8 to connect the connecting shaft 9 and compress the spring 18. Then make the knife roller 3 level and slowly move the knife roller 3 in the direction of the limit disk 7 so that the other end of the knife roller 3 is connected to the connecting column 10 on the limit disk 7, and make the positioning pin 16 on the limit disk 7 clamp in the positioning hole 17. Then release the knife roller 3. The rebound force of the spring 18 makes the knife roller 3 close to the limit disk 7. After the installation is completed, the knife roller 3 can be disassembled by reverse operation. The disassembly and assembly process is convenient and quick.

[0043] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A universal tool holder for a rotary die-cutting machine, comprising a base (1), characterized in that: A mounting frame (2) is provided on the top of the base (1), a knife roller (3) is provided on one side of the mounting frame (2), a through slot (4) is provided on the top of the base (1), a slide rod (5) is fixedly connected to the inner wall of the through slot (4), a slider (6) is slidably connected to the outer side of the slider (5), and the slider (6) is fixedly connected to the mounting frame (2), an adjustment mechanism is provided inside the base (1), a limiting disk (7) and a fixed disk (8) are respectively provided at both ends of the knife roller (3), one side of the limiting disk (7) and the fixed disk (8) are rotatably connected to a connecting shaft (9), and the other side of the limiting disk (7) and the fixed disk (8) are fixedly connected to a connecting column (10), a connecting slot (11) is provided on the inner wall of the knife roller (3), and a limiting mechanism is provided on the other side of the fixed disk (8).

2. The universal tool holder for a rotary die-cutting machine according to claim 1, characterized in that: The connecting shaft (9) at one end of the limiting plate (7) is rotatably connected to the inner wall of the mounting frame (2), and the connecting shaft (9) at one side of the fixing plate (8) is slidably connected to the mounting frame (2).

3. The universal tool holder for a rotary die-cutting machine according to claim 1, characterized in that: The adjustment mechanism comprises an electric cylinder (12) fixed to one side of the base (1); a top rod of the electric cylinder (12) is fixedly connected to a connecting block (13); an inner wall of the connecting block (13) is slidably connected to a guide rail (14); and a top of the connecting block (13) is rotatably connected to a connecting rod (15).

4. The universal tool holder for a rotary die-cutting machine according to claim 3, characterized in that: The bottom of the guide rail (14) is fixedly connected to the top of the inner cavity of the base (1), and one end of the connecting rod (15) is rotatably connected to the bottom of the mounting frame (2).

5. The universal tool holder for a rotary die-cutting machine according to claim 1, characterized in that: The limiting mechanism comprises a positioning pin (16) fixed to one side of the limiting plate (7) and the fixed plate (8); a positioning hole (17) is provided on the inner wall of the knife roller (3); and the positioning pin (16) is engaged with the positioning hole (17).

6. The universal tool holder for a rotary die-cutting machine according to claim 1, characterized in that: The limiting mechanism further comprises a spring (18) fixed to one end of the connecting shaft (9), and one end of the spring (18) is fixedly connected to the inner wall of the mounting frame (2).

7. The universal tool holder for a rotary die-cutting machine according to claim 1, characterized in that: An anti-dropout block (19) is fixedly connected to the outer side of the connecting shaft (9), and a limiting groove for use with the anti-dropout block (19) is provided on the inner wall of the mounting frame (2).

8. The universal tool holder for a rotary die-cutting machine according to claim 5, characterized in that: The number of the positioning pins (16) is four, and they are distributed on one side of the limiting plate (7) and the fixing plate (8).

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