Circular cutter die cutting mechanism of die cutting machine
By introducing an electric telescopic rod and a bidirectional screw to adjust the gap between the support roller and the circular knife in the circular knife die-cutting machine, and combining it with a motor-driven gear transmission system, the problem of inconvenient positioning of cardboards of different thicknesses and widths in existing circular knife die-cutting machines is solved, and a stable and efficient die-cutting effect is achieved.
Patent Information
- Application Number
- CN202422539249.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing circular knife die-cutting machines are inconvenient to adjust, making it difficult to effectively position and die-cut cardboards of different thicknesses and widths, causing the cardboards to easily skew during the die-cutting process.
The circular knife die-cutting mechanism of the die-cutter includes a frame, a circular knife, a driving mechanism, a supporting mechanism and a width positioning mechanism. The gap between the supporting roller and the circular knife is adjusted by an electric telescopic rod and a bidirectional screw. Combined with the motor-driven gear transmission system, the die-cutting of cardboards of different thicknesses and the positioning of cardboards of different widths can be achieved.
It realizes convenient positioning and die-cutting of cardboards of different thicknesses and widths, and improves the stability and efficiency of the die-cutting process.
Smart Images
Figure CN223383608U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circular knife die-cutting machines, in particular to a circular knife die-cutting mechanism of a die-cutting machine. Background Art
[0002] A circular die-cutter, also known as a rotary die-cutter or roller die-cutter, uses a continuously rotating roller to perform die-cutting. It is one of the most efficient die-cutting machines. Circular die-cutter machines are often used to die-cut cardboard. However, existing circular die-cutter machines are difficult to adjust, making adjustments difficult when die-cutting cardboard of varying thicknesses. Furthermore, they lack the ability to position cardboard of varying widths, which can easily cause the cardboard to skew during the die-cutting process. Therefore, in response to these current circumstances, there is an urgent need to develop a circular die-cutting mechanism for die-cutters that is easily adjustable and facilitates positioning and die-cutting of cardboard of varying widths and thicknesses. This would overcome these shortcomings and meet current needs. Utility Model Content
[0003] The purpose of the present utility model is to provide a circular knife die-cutting mechanism for a die-cutting machine to solve the problems raised in the above background technology.
[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0005] The circular knife die-cutting mechanism of the die-cutting machine includes a frame, a circular knife, a driving mechanism, a supporting mechanism and a width positioning mechanism. The frame is rotatably connected to the circular knife, and a plurality of cutting dies are fixed on the circular knife. The frame is equipped with a driving mechanism for driving the circular knife to rotate. The lower part of the circular knife is equipped with a supporting mechanism in the frame. The supporting mechanism includes: an electric telescopic rod, a lifting frame and a supporting roller. Two electric telescopic rods are fixed in the frame. The telescopic end of the electric telescopic rod is fixed to the lifting frame. The lifting frame is rotatably connected to the supporting roller. The width positioning mechanism is installed in the frame. The width positioning mechanism includes: a second motor, a bidirectional screw, a first external thread, a second external thread, a first screw A threaded sleeve, a second threaded sleeve, a positioning plate and a limit rod, the second motor is fixed to the frame, the bidirectional screw is rotatably connected to the frame, the output shaft of the second motor is fixed to the bidirectional screw, the left half of the bidirectional screw is provided with a first external thread, the outer side of the first external thread is equipped with a first threaded sleeve that matches it, the right half of the bidirectional screw is provided with a second external thread, the outer side of the second external thread is equipped with a second threaded sleeve that matches it, the lower sides of the first and second threaded sleeves are fixed with a limit rod inserted into the frame, the upper sides of the first and second threaded sleeves are fixed with a positioning plate, and the rotation directions of the first and second external threads are opposite.
[0006] Preferably, the limiting rod is slidably connected to the frame, and a limiting sliding groove for the movement of the limiting rod is provided in the frame.
[0007] Preferably, the support roller is located directly below the circular knife.
[0008] Preferably: the driving mechanism includes: a first motor, a first gear and a second gear, the first motor is fixed on the frame, the first gear is installed on the output shaft of the first motor, a second gear meshing with the first gear is installed on one side of the first gear, and the second gear is installed on the circular knife.
[0009] The beneficial effects of the utility model are as follows: when the circular knife die-cutting mechanism of the die-cutting machine is used, the cardboard is passed through the circular knife and the support roller, the bidirectional screw is driven to rotate by the second motor, the bidirectional screw is driven to rotate to drive the first threaded sleeve and the second threaded sleeve to move toward each other, the first threaded sleeve and the second threaded sleeve are driven to move toward each other, thereby adjusting the distance between the two positioning plates to position cardboards of different widths, then the first gear and the second gear are driven to rotate by the first motor, the circular knife is driven to rotate by the second gear, and the cutter die is driven to rotate by the circular knife, so that the cutter die presses the cardboard onto the support roller for die-cutting, and the lifting frame and the support roller are driven up and down by the electric telescopic rod, thereby adjusting the gap between the support roller and the circular knife to die-cut cardboards of different thicknesses. In summary, the utility model is easy to adjust and is convenient for positioning and die-cutting cardboards of different widths and thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a front structural schematic diagram of the present utility model.
[0011] Figure 2 It is a schematic diagram of the back structure of the utility model.
[0012] Figure 3 This is a schematic diagram of the use state of the utility model.
[0013] Figure 4 This is a partial structural diagram of the utility model Figure 1 .
[0014] Figure 5 This is a partial structural diagram of the utility model Figure 2 .
[0015] Figure 6 This is a partial structural diagram of the utility model Figure 3 .
[0016] Legend:
[0017] 1. Frame; 101. Limiting slide; 2. Circular knife; 201. Cutting die; 3. Driving mechanism; 301. First motor; 302. First gear; 303. Second gear; 4. Support mechanism; 401. Electric telescopic rod; 402. Lifting frame; 403. Support roller; 5. Width positioning mechanism; 501. Second motor; 502. Bidirectional screw; 503. First external thread; 504. Second external thread; 505. First threaded sleeve; 506. Second threaded sleeve; 507. Positioning plate; 508. Limiting rod. DETAILED DESCRIPTION
[0018] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] Specific examples are given below.
[0020] See also Figures 1 to 6 In the embodiment of the present invention, the circular knife die-cutting mechanism of the die-cutting machine includes a frame 1, a circular knife 2, a driving mechanism 3, a supporting mechanism 4 and a width positioning mechanism 5. The frame 1 is rotatably connected to the circular knife 2, and a plurality of cutting dies 201 are fixed on the circular knife 2. The frame 1 is equipped with a driving mechanism 3 for driving the circular knife 2 to rotate. A supporting mechanism 4 is installed in the frame 1 below the circular knife 2. The supporting mechanism 4 includes: an electric telescopic rod 401, a lifting frame 402 and a support roller 403. Two electric telescopic rods 401 are fixed in the frame 1. The telescopic end of the electric telescopic rod 401 is fixed to the lifting frame 402. The lifting frame 402 The inner rotation is connected to the support roller 403, and the support roller 403 is located just below the circular knife 2. A width positioning mechanism 5 is installed in the frame 1. When in use, the cardboard is passed between the circular knife 2 and the support roller 403, and the circular knife 2 is driven to rotate by the driving mechanism 3. The circular knife 2 drives the cutter die 201 to rotate, so that the cutter die 201 presses the cardboard onto the support roller 403 for die-cutting. The electric telescopic rod 401 drives the lifting frame 402 and the support roller 403 to move up and down, thereby adjusting the gap between the support roller 403 and the circular knife 2, so as to die-cut cardboards of different thicknesses. In addition, the width positioning mechanism 5 can be used to position cardboards of different widths.
[0021] The width positioning mechanism 5 includes: a second motor 501, a bidirectional screw 502, a first external thread 503, a second external thread 504, a first threaded sleeve 505, a second threaded sleeve 506, a positioning plate 507 and a limiting rod 508. The second motor 501 is fixed to the frame 1, and the bidirectional screw 502 is rotatably connected to the frame 1. The output shaft of the second motor 501 is fixed to the bidirectional screw 502. The left half of the bidirectional screw 502 is provided with a first external thread 503, and the outer side of the first external thread 503 is equipped with a first threaded sleeve 505 that matches it. The right half of the bidirectional screw 502 is provided with a second external thread 504, and the outer side of the second external thread 504 is equipped with a second threaded sleeve 506 that matches it. The lower sides of the first threaded sleeve 505 and the second threaded sleeve 506 are fixed with screws inserted into the frame. 1, the limit rod 508 is slidably connected to the frame 1, and a limit slide groove 101 for moving the limit rod 508 is provided in the frame 1, and a positioning plate 507 is fixed on the upper side of the first threaded sleeve 505 and the second threaded sleeve 506, and the rotation directions of the first external thread 503 and the second external thread 504 are opposite, so that when the bidirectional screw 502 rotates, the movement directions of the first threaded sleeve 505 and the second threaded sleeve 506 are opposite. When in use, the bidirectional screw 502 is driven to rotate by the second motor 501, and the first threaded sleeve 505 and the second threaded sleeve 506 are driven to move toward each other by the rotation of the bidirectional screw 502, and the two positioning plates 507 are driven to move toward each other by the first threaded sleeve 505 and the second threaded sleeve 506, so as to adjust the distance between the two positioning plates 507 to position cardboards of different widths.
[0022] The driving mechanism 3 includes: a first motor 301, a first gear 302 and a second gear 303. The first motor 301 is fixed to the frame 1. The first gear 302 is installed on the output shaft of the first motor 301. A second gear 303 meshing with the first gear 302 is installed on one side of the first gear 302. The second gear 303 is installed on the circular knife 2. When in use, the first motor 301 drives the first gear 302 and the second gear 303 to rotate, and the second gear 303 drives the circular knife 2 to rotate.
[0023] Working principle: When the circular knife die-cutting mechanism of the die-cutting machine is in use, the cardboard passes through the space between the circular knife 2 and the support roller 403, and the bidirectional screw 502 is driven to rotate by the second motor 501. The rotation of the bidirectional screw 502 drives the first threaded sleeve 505 and the second threaded sleeve 506 to move toward each other, and the first threaded sleeve 505 and the second threaded sleeve 506 drive the two positioning plates 507 to move toward each other, thereby adjusting the distance between the two positioning plates 507 to position cardboards of different widths. Then, the first gear 302 and the second gear 303 are driven to rotate by the first motor 301, and the circular knife 2 is driven to rotate by the second gear 303, and the cutter die 201 is driven to rotate by the circular knife 2, so that the cutter die 201 presses the cardboard onto the support roller 403 for die-cutting. The electric telescopic rod 401 drives the lifting frame 402 and the support roller 403 to move up and down, thereby adjusting the gap between the support roller 403 and the circular knife 2, so as to die-cut cardboards of different thicknesses.
[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. The circular knife die-cutting mechanism of the die-cutting machine is characterized by: The invention comprises a frame (1), a circular knife (2), a driving mechanism (3), a supporting mechanism (4) and a width positioning mechanism (5); the frame (1) is rotatably connected to the circular knife (2); a plurality of cutting dies (201) are fixed on the circular knife (2); the frame (1) is provided with a driving mechanism (3) for driving the circular knife (2) to rotate; a supporting mechanism (4) is installed below the circular knife (2) in the frame (1); the supporting mechanism (4) comprises: an electric telescopic rod (401), a lifting frame (402) and a supporting mechanism (4). Roller (403), two electric telescopic rods (401) are fixed in the frame (1), the telescopic ends of the electric telescopic rods (401) are fixed to the lifting frame (402), and the lifting frame (402) is rotatably connected with the support roller (403), and a width positioning mechanism (5) is installed in the frame (1), and the width positioning mechanism (5) includes: a second motor (501), a bidirectional screw (502), a first external thread (503), a second external thread (504), a first thread sleeve (505), a second thread sleeve (506), a second thread sleeve (507), a second thread sleeve (508), a second thread sleeve (509), a second thread sleeve (510), a second thread sleeve (511), a second thread sleeve (512), a second thread sleeve (513), a second thread sleeve (514), a second thread sleeve (515), a second thread sleeve (516), a second thread sleeve (517), a second thread sleeve (518), a second thread sleeve (519), a second thread sleeve (520), a second thread sleeve (521), a second thread sleeve (522), a second thread sleeve (523), a second thread sleeve (524), a second thread sleeve (525), a second thread sleeve (526), a second thread sleeve (527), a second thread sleeve (528), a second thread sleeve (529), a second thread sleeve (530), a second thread sleeve (531), a second thread sleeve (532), a second thread sleeve (533), a second thread sleeve (534), a second thread sleeve (535), a second thread sleeve (536), a second thread sleeve (537), a second thread sleeve (538), a second thread sleeve (539), a second thread sleeve (539), a second thread sleeve (531), a second thread sleeve (531), a second thread sleeve (531), a second thread sleeve (531), a second thread sleeve (532), a second thread sleeve The second motor (501) is fixed on the frame (1), the bidirectional screw (502) is rotatably connected to the frame (1), the output shaft of the second motor (501) is fixed to the bidirectional screw (502), the left half of the bidirectional screw (502) is provided with a first external thread (503), the outer side of the first external thread (503) is equipped with a first thread sleeve (505) matched therewith, and the bidirectional screw (502) is provided with a second thread sleeve (506), a positioning plate (507) and a limiting rod (508), the second motor (501) is fixed on the frame (1), the bidirectional screw (502) is rotatably connected to the frame (1), the output shaft of the second motor (501) is fixed to the bidirectional screw (502), the left half of the bidirectional screw (502) is provided with a first external thread (503), the outer side of the first external thread (503) is equipped with a first thread sleeve (505) matched therewith, and the bidirectional screw (5 02) is provided with a second external thread (504), and a second threaded sleeve (506) matching therewith is installed on the outer side of the second external thread (504), and a limiting rod (508) inserted into the frame (1) is fixed on the lower side of the first threaded sleeve (505) and the second threaded sleeve (506), and a positioning plate (507) is fixed on the upper side of the first threaded sleeve (505) and the second threaded sleeve (506), and the first external thread (503) and the second external thread (504) have opposite rotation directions.
2. The circular knife die-cutting mechanism of the die-cutting machine according to claim 1, characterized in that: The limiting rod (508) is slidably connected to the frame (1), and a limiting sliding groove (101) for the movement of the limiting rod (508) is provided in the frame (1).
3. The circular knife die-cutting mechanism of the die-cutting machine according to claim 1, characterized in that: The support roller (403) is located directly below the circular knife (2).
4. The circular knife die-cutting mechanism of the die-cutting machine according to claim 1, characterized in that: The driving mechanism (3) comprises: a first motor (301), a first gear (302) and a second gear (303); the first motor (301) is fixed to the frame (1); the first gear (302) is mounted on the output shaft of the first motor (301); a second gear (303) meshing with the first gear (302) is mounted on one side of the first gear (302); and the second gear (303) is mounted on the circular knife (2).