Manual pressure regulating mechanism of die-cutting machine

The modified hand-operated pressure adjustment mechanism in die cutting machines uses a single screw nut with integrated rings to stabilize the screw's position, enabling precise and efficient pressure regulation, addressing the inefficiencies of traditional dual-nut systems.

CN223099468UActive Publication Date: 2025-07-15RUIAN GREAT WALL PRINTING & PACKAGING MASCH CO LTD
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Patent Information

Application Number
CN202421843183.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-07-15
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

When adjusting the downpressure pressure, existing die-cutting machines need to repeatedly rotate the nuts at both ends, which can easily lead to the displacement of the screw, and the adjustment process is cumbersome and inaccurate.

Method used

A single nut is combined with a ring structure, and it is formed into one through ring one, ring two and ring three. After rotation, the nut remains unchanged at the bottom of the fixed plate, and directly lifts the screw vertically to simplify the adjustment process.

Benefits of technology

More convenient and precise pressure adjustment is achieved, reducing screw displacement and repeated adjustments, and improving the practicality of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a manual pressure regulating mechanism of a die-cutting machine, and relates to the technical field of die-cutting machines, a lower pressing plate is arranged above a base, a fixing plate is arranged above the lower pressing plate, screw rods are arranged at two ends of the fixing plate in a penetrating and inserting manner, two screw caps on the original screw rods are changed into single screw caps, and lantern rings II are arranged at the top ends of the screw caps, so that the die-cutting machine can conveniently adjust the pressure of the die-cutting machine. A first lantern ring is arranged at the bottom end of the nut, a third lantern ring is arranged at the top end of the fixing plate, the first lantern ring, the second lantern ring and the third lantern ring are integrated through the rear plate and the traction plate, and due to the fact that the nut is arranged between the first lantern ring and the second lantern ring, the height of the nut at the bottom of the fixing plate is kept unchanged; compared with a traditional mode that lifting is adjusted through rotation of two nuts, adjustment is more convenient, the adjustment effect is finer, the movement amplitude of the screw is small during adjustment, the situation that repeated adjustment is needed in the later period due to the fact that the movement amplitude is too large is avoided, and better practicability is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting machines, and particularly to a manual pressure regulating mechanism for a die-cutting machine. Background Art

[0002] A manual die-cutting machine is a device that completes die-cutting processing in a manual or foot-operated manner. It is mainly used for die-cutting materials such as cardboard, paperboard, plastic, and metal foil. This device has significant advantages such as a simple structure, convenient operation, and easy maintenance, as follows:

[0003] Simple operation and low cost: The manual die-cutting machine does not require a complex power system and control system, is easy to operate, and reduces the equipment cost and usage threshold.

[0004] High flexibility: It can quickly adapt to die-cutting requirements of different materials and shapes, and is suitable for small-batch and multi-variety printing and packaging production.

[0005] Easy maintenance: Due to its relatively simple structure, its maintenance and upkeep are also relatively easy, reducing the operating costs of enterprises.

[0006] The downward pressure adjustment of this type of die-cutting machine is achieved by the lifting of two screws with nuts at both ends. The screws penetrate through the brackets, and the two nuts threadedly connected to the screws are respectively at the top and bottom of the brackets. When the two nuts at both ends rise or fall simultaneously, the eccentric shaft for downward pressure also rises and falls accordingly. After it rises, the downward pressure decreases, and after it falls, the downward pressure increases, thus achieving the effect of manually adjusting the die-cutting downward pressure of the die-cutting machine.

[0007] The inventor found that the following problems in the prior art were not well solved during the implementation of this solution: If the screw is adjusted to rise, it is necessary to first loosen the lower nut and move it away from the bottom of the bracket, and then rotate the upper nut to make it descend. If it is adjusted to fall, it is necessary to first loosen the upper nut, and then tighten the lower nut to make it rise. However, during the adjustment, the two nuts at both ends need to be rotated repeatedly to make the two upper nuts and the two lower nuts horizontal. Moreover, during the adjustment, it is necessary to disengage from the clamping position, and at this time, the screw is likely to shift too much. Therefore, after the cumbersome adjustment of the nuts, it is still necessary to conduct a die-cutting pressure test. If the die-cutting test effect does not meet the standard, it is necessary to re-adjust the nuts, making the entire pressure regulation process more troublesome. Summary of the Utility Model

[0008] The main purpose of the utility model is to provide a manual pressure regulating mechanism for a die-cutting machine, which can effectively solve the problems in the background art.

[0009] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0010] The manual pressure regulating mechanism of a die-cutting machine includes a base. Above the base, there is a lower pressing plate. Above the lower pressing plate, there is a fixing plate. Both ends of the fixing plate are penetrated and inserted with screw rods. On both sides of the fixing plate between the screw rods, fixing rods are slidably penetrated. At the top of the upper ends of the fixing rods passing through the fixing plate, upper pressing plates are fixed. At the top of one end of the screw rods passing through the fixing plate, coupling blocks are fixed. Above the upper pressing plates, there is a double-headed eccentric shaft rod. At both ends of the double-headed eccentric shaft rod, there are connecting shafts. One end of the connecting shaft away from the double-headed eccentric shaft rod is respectively rotatably connected with the matching coupling block after penetration. On the outer walls of the screw rods at the positions below the fixing plate, nuts are threadedly connected. On the screw rods, a first collar, a second collar, and a third collar are respectively sleeved. At the same-direction ends of the first collar, the second collar, and the third collar, rear plates are fixed. A traction plate is fixed between the rear plates. On the outer walls of the fixing rods between the fixing plate and the upper pressing plate, springs are sleeved. The tops of the springs are respectively in contact with the bottoms of the upper pressing plates, and the bottoms of the springs are respectively in contact with the tops of the fixing plates.

[0011] Preferably, the first collars are respectively located at the bottoms of the nuts, and the tops of the first collars are respectively in contact with the bottoms of the nuts.

[0012] Preferably, the second collars are respectively located at the tops of the nuts, and the tops of the nuts are respectively in contact with the bottoms of the second collars.

[0013] Preferably, the third collars are respectively located at the tops of the fixing plates, and the tops of the fixing plates are respectively in contact with the bottoms of the third collars.

[0014] Preferably, the bottoms of the fixing rods passing through one end of the fixing plate are respectively fixed to the top of the lower pressing plate.

[0015] Preferably, fixing frames are fixed at both ends of the fixing plate, and the bottoms of the fixing frames are respectively fixed to the top of the base.

[0016] Compared with the prior art, the present utility model has the following beneficial effects:

[0017] By changing the two nuts on the original screw rod into a single nut, a second collar is provided at the top of the nut, a first collar is provided at the bottom of the nut, and a third collar is provided at the top of the fixing plate. The first collar, the second collar, and the third collar are integrated through the rear plates and the traction plate. Since the nut is between the first collar and the second collar, the height of the nut at the bottom of the fixing plate remains unchanged. After the nut rotates, it can drive the screw rod to directly perform vertical lifting. Compared with the traditional rotation adjustment of two nuts for lifting, the adjustment of this application is more convenient, the adjustment effect is more delicate, the moving amplitude of the screw rod during adjustment is smaller, and the situation of excessive moving amplitude and subsequent repeated adjustment will not occur, having better practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic top view structure diagram of one side of the manual pressure regulating mechanism of the die-cutting machine of the present utility model;

[0019] Figure 2 This is a schematic bottom view structure diagram of the other side of the manual pressure regulating mechanism of the die-cutting machine of the present utility model;

[0020] Figure 3 This is a schematic separation structure diagram of the fixed plate of the manual pressure regulating mechanism of the die-cutting machine of the present utility model after being sectioned and separated from the screw;

[0021] Figure 4 This is a schematic enlarged structure diagram of part A of the manual pressure regulating mechanism of the die-cutting machine of the present utility model.

[0022] In the figure: 1, base; 2, lower pressing plate; 3, fixed plate; 4, fixed rod; 5, upper pressing plate; 6, spring; 7, screw; 8, nut; 9, collar one; 10, collar two; 11, collar three; 12, rear plate; 13, traction plate; 14, coupling block; 15, connecting shaft; 16, double-headed eccentric shaft rod; 17, handle; 18, fixing bracket. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] As Figures 1-4 shown, the manual pressure regulating mechanism of the die-cutting machine includes a base 1. A lower pressing plate 2 is provided above the base 1. A fixed plate 3 is provided above the lower pressing plate 2. Both ends of the fixed plate 3 are penetrated and inserted with screws 7. Both sides of the fixed plate 3 between the screws 7 are penetrated and slid with fixed rods 4. The upper ends of the fixed rods 4 passing through the fixed plate 3 are all fixed with upper pressing plates 5. The tops of one ends of the screws 7 passing through the fixed plate 3 are all fixed with coupling blocks 14. A double-headed eccentric shaft rod 16 is provided above the upper pressing plates 5. Both ends of the double-headed eccentric shaft rod 16 are provided with connecting shafts 15. One ends of the connecting shafts 15 away from the double-headed eccentric shaft rod 16 are respectively rotatably connected with the correspondingly-positioned coupling blocks 14 after passing through. Nuts 8 are respectively threadedly connected to the outer walls of the screws 7 at the positions below the fixed plate 3. Collar one 9, collar two 10 and collar three 11 are respectively sleeved on the screws 7. Rear plates 12 are fixed to the same-direction ends of collar one 9, collar two 10 and collar three 11. A traction plate 13 is fixed between the rear plates 12. Springs 6 are respectively sleeved on the outer walls of the fixed rods 4 between the fixed plate 3 and the upper pressing plates 5. The tops of the springs 6 are respectively in contact with the bottoms of the upper pressing plates 5. The bottoms of the springs 6 are respectively in contact with the tops of the fixed plate 3.

[0025] Specifically, the first collars 9 are respectively located at the bottom of the nuts 8, and the tops of the first collars 9 are in contact with the bottoms of the nuts 8. The second collars 10 are respectively located at the top of the nuts 8, and the tops of the nuts 8 are in contact with the bottoms of the second collars 10. The third collars 11 are respectively located at the top of the fixing plates 3, and the tops of the fixing plates 3 are in contact with the bottoms of the third collars 11. When the nuts 8 rotate, their horizontal height remains unchanged, while the screw rods 7 will move up and down. This step reduces the steps of adjusting two nuts 8 in the traditional technology.

[0026] Specifically, the fixing rods 4 pass through the bottom of one end of the fixing plates 3 and are respectively fixed to the tops of the lower pressing plates 2, driving the lower pressing plates 2 to press down stably.

[0027] Specifically, fixing brackets 18 are fixed to both ends of the fixing plates 3, and the bottoms of the fixing brackets 18 are respectively fixed to the top of the base 1 for fixing the fixing plates 3.

[0028] Principle:

[0029] Usage principle:

[0030] When the handle 17 rotates, it drives the double-headed eccentric shaft rod 16 to descend. The two ends of the double-headed eccentric shaft rod 16 press down on the upper pressing plate 5 in an eccentric manner. The upper pressing plate 5 drives the lower pressing plate 2 to descend through the fixing rod 4. A die-cutting material and a mold are placed between the lower pressing plate 2 and the base 1. After the film pressing is completed, the handle 17 is slowly released, and the upper pressing plate 5 drives the lower pressing plate 2 to rise through the tension of the spring 6 via the fixing rod 4, and then the die-cut workpiece can be taken out.

[0031] Adjustment principle:

[0032] A second collar 10 is provided at the top of the nut 8, a first collar 9 is provided at the bottom of the nut 8, and a third collar 11 is provided at the top of the fixing plate 3. The first collar 9, the second collar 10, and the third collar 11 are integrated through the rear plate 12 and the traction plate 13. Since the nut 8 is between the first collar 9 and the second collar 10, the height of the nut 8 at the bottom of the fixing plate 3 remains unchanged. After the nut 8 rotates, it can drive the screw rod 7 to move vertically directly. Compared with the traditional adjustment of the lifting by rotating two nuts 8, the adjustment in this application is more convenient, the adjustment effect is more delicate, the moving range of the screw rod 7 during adjustment is smaller, and the situation of excessive movement and subsequent repeated adjustment will not occur, having better practicability.

[0033] The circuits, electronic components, and control modules involved are all prior arts and can be fully realized by those skilled in the art without further elaboration. The content protected by the present utility model does not involve improvements to software and methods either.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all such changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed for the present utility model is defined by the appended claims and their equivalents.

Claims

1. Manual pressure regulating mechanism for die cutting machine, including a base (1), characterized in that: Above the base (1), there is a lower pressing plate (2). Above the lower pressing plate (2), there is a fixing plate (3). At both ends of the fixing plate (3), screw rods (7) are inserted through. On both sides of the fixing plate (3) between the screw rods (7), fixing rods (4) are slid through. At the upper ends of the fixing rods (4) passing through the fixing plate (3), upper pressing plates (5) are fixed. At the tops of the screw rods (7) passing through one end of the fixing plate (3), coupling blocks (14) are fixed. Above the upper pressing plates (5), there is a double-headed eccentric shaft rod (16). At both ends of the double-headed eccentric shaft rod (16), connecting shafts (15) are provided. The ends of the connecting shafts (15) away from the double-headed eccentric shaft rod (16) are respectively rotatably connected after passing through the coupling blocks (14) with matching positions. On the outer walls of the screw rods (7) at positions below the fixing plate (3), nuts (8) are threadedly connected. On the screw rods (7), a first collar (9), a second collar (10), and a third collar (11) are respectively sleeved. At the same-direction ends of the first collar (9), the second collar (10), and the third collar (11), rear plates (12) are fixed. Between the rear plates (12), a traction plate (13) is fixed. On the outer walls of the fixing rods (4) between the fixing plate (3) and the upper pressing plates (5), springs (6) are sleeved. The tops of the springs (6) are respectively in contact with the bottoms of the upper pressing plates (5). The bottoms of the springs (6) are respectively in contact with the tops of the fixing plate (3).

2. The manual pressure regulating mechanism of the die-cutting machine according to claim 1, characterized in that: The first collar (9) is respectively located at the bottoms of the nuts (8), and the tops of the first collar (9) are respectively in contact with the bottoms of the nuts (8).

3. The manual pressure regulating mechanism of the die-cutting machine according to claim 1, characterized in that: The second collar (10) is respectively located at the tops of the nuts (8), and the tops of the nuts (8) are respectively in contact with the bottoms of the second collar (10).

4. The manual pressure regulating mechanism of the die-cutting machine according to claim 1, wherein: The third collar (11) is respectively located at the tops of the fixing plates (3), and the tops of the fixing plates (3) are respectively in contact with the bottoms of the third collar (11).

5. The manual pressure regulating mechanism of the die-cutting machine according to claim 1, characterized in that: The bottoms of the fixing rods (4) passing through one end of the fixing plate (3) are respectively fixed to the tops of the lower pressing plate (2).

6. The manual pressure regulating mechanism of the die-cutting machine according to claim 1, wherein: At both ends of the fixing plate (3), fixing brackets (18) are fixed. The bottoms of the fixing brackets (18) are respectively fixed to the tops of the base (1).