CN114030226A - Flat-pressing flat die cutting mechanism matched with continuous paper feeding mode and die cutting machine - Google Patents

Abstract

A flat-pressing flat-die cutting mechanism and a die cutting machine matched with a continuous paper feeding mode are provided, wherein the flat-pressing flat-die cutting mechanism is provided with a crankshaft, a die cutting plate table, a die cutting plate and a pressure plate table; the two groups of crankshafts are arranged up and down, the upper group of crankshafts and the lower group of crankshafts synchronously and reversely rotate under the driving of a die cutting driving mechanism, two eccentric cranks are arranged on the crankshafts in the front and back directions, and the central axes of the two eccentric cranks are overlapped and parallel to the central axis of the crankshaft; the die cutting plate platform is a square platform and is arranged on the eccentric crank of the upper group of crankshafts; the pressure plate platform is matched with the die cutting platform in shape and is arranged on the eccentric cranks of the lower group of crankshafts; the die cutting plate is fixedly arranged below the die cutting plate table and drives the pressure plate table and the die cutting plate to periodically separate and press together along with synchronous reverse rotation of the upper crankshaft and the lower crankshaft. The invention realizes the matching of the die cutting process and the continuous paper feeding mode, and achieves the purposes of improving the die cutting and stamping speed and the production efficiency and reducing the production cost.

Description

Flat-pressing flat die cutting mechanism matched with continuous paper feeding mode and die cutting machine

Technical Field

The invention relates to a flat-pressing flat die cutting mechanism and a die cutting machine, in particular to a flat-pressing flat die cutting mechanism and a die cutting machine which are matched with a continuous paper feeding operation mode.

Background

The flat pressing and flat die cutting machine is mainly used for die cutting and indentation treatment of folding and pasting paper boxes and corrugated paper boxes, has the advantages of simple structure, convenience in operation and maintenance, high die cutting precision and the like, and occupies a large market share of packaging and decorating equipment. In the prior art, a die cutting plate of a flat die cutting and pressing die cutting machine is fixed on a flat die cutting plate table (an upper platform), a paperboard to be processed is arranged on a pressure plate table (a movable platform), the die cutting plate table is fixed in the die cutting operation process, the pressure plate table reciprocates under the driving of a crankshaft connecting rod mechanism, so that the pressure plate table and the die cutting plate table are periodically separated and pressed together, and one-time die cutting is completed every time the pressure plate table and the die cutting plate table are pressed together.

Because the die cutting board platform of flat-pressing flat die cutting machine among the prior art is fixed knot structure, accomplishes a cross cutting process through the pressure board platform cooperation with up-and-down motion, in order to guarantee the cross cutting precision of cardboard, paper feeding mechanism adopts intermittent type operating mode, and paper feeding mechanism stops the operation when pressure board platform and cross cutting board platform pressfitting promptly, has restricted cross cutting impression speed from this, and production efficiency is lower, has increased manufacturing cost.

Disclosure of Invention

The invention provides a flat-pressing flat die cutting mechanism matched with a continuous paper feeding mode and a die cutting machine, and aims to realize matching of a die cutting process and the continuous operation paper feeding mode through the innovative design of driving and action modes of a die cutting plate table and a pressure plate table in the die cutting mechanism, so that the aims of improving the die cutting and impressing speed and the production efficiency and reducing the production cost are fulfilled.

In order to achieve the purpose, the invention adopts the following technical scheme:

a flat-pressing flat die cutting mechanism matched with a continuous paper feeding mode is provided with a crankshaft, a die cutting plate table, a die cutting plate and a pressure plate table; the two groups of crankshafts are arranged up and down, the upper group of crankshafts and the lower group of crankshafts synchronously and reversely rotate under the driving of a die cutting driving mechanism, two eccentric cranks are arranged on the crankshafts in the front and back directions, and the central axes of the two eccentric cranks are overlapped and parallel to the central axis of the crankshaft; the die cutting plate platform is a square platform and is arranged on the eccentric crank of the upper group of crankshafts; the pressure plate platform is matched with the die cutting platform in shape and is arranged on the eccentric cranks of the lower group of crankshafts; the die cutting plate is fixedly arranged below the die cutting plate table and drives the pressure plate table and the die cutting plate to periodically separate and press together along with synchronous reverse rotation of the upper crankshaft and the lower crankshaft.

The flat-pressing flat die cutting mechanism matched with the continuous paper feeding mode comprises at least two crankshafts in each group of crankshafts, the deviation directions of the central axes of the eccentric cranks on the two crankshafts and the central axis of the crankshaft are the same, and the two crankshafts synchronously rotate in the same direction.

According to the flat-pressing flat-die cutting mechanism matched with the continuous paper feeding mode, the die cutting plate table and the pressure plate table are respectively hinged and assembled with the eccentric crank through the shaft seats of the upper and lower split structures.

A flat-pressing flat-die cutting machine is characterized in that a paper feeding mechanism of the flat-pressing flat-die cutting machine adopts a continuous operation mode, and a die cutting mechanism of the flat-pressing flat-die cutting machine is the flat-pressing flat-die cutting mechanism matched with the continuous paper feeding mode.

The invention provides a flat-pressing flat die cutting mechanism matched with a continuous paper feeding mode and a die cutting machine, which are characterized in that: the flat-pressing flat die cutting mechanism is characterized in that an eccentric crank structure is designed on a crankshaft, and a die cutting plate table and a pressure plate table are assembled with eccentric cranks of an upper crankshaft and a lower crankshaft respectively, so that the crankshafts, the die cutting plate table and the pressure plate table which are installed on the eccentric cranks of the crankshafts can be driven by a driving mechanism to move relatively, and the die cutting plate table which are installed on the die cutting plate table are periodically separated and pressed together, so that the die cutting and impressing process of a paperboard is realized. Because the die cutting plateform and the pressure plateform are of the movable platform structure, the actions of the die cutting plateform and the pressure plateform are matched with the running speed of the paper feeding mechanism by setting the rotating speed of the crankshaft and the running speed of the paper feeding mechanism, and the continuous running of the paper feeding mechanism is realized, thereby solving the problems of low production efficiency and high production cost caused by the intermittent feeding mode of the existing paper feeding mechanism.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a platen die cutting mechanism according to the present invention, which matches a continuous paper feeding mode;

FIG. 2 is a schematic view of the upper and lower sets of crankshafts in the embodiment of FIG. 1;

FIG. 3 is a view from direction K of FIG. 2;

FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;

FIG. 5 is a schematic view of the operation of the platen die cutting mechanism matching the continuous feed mode;

FIG. 6 is a schematic diagram of the operation of the upper and lower sets of crankshafts and eccentric cranks in one cycle of the platen die cutting mechanism matching the continuous paper feed mode.

The list of labels in the figure is:

1. die cutting of the plateform;

2. a pressure plateform;

3. a crankshaft, 3-1, an eccentric crank;

4. a shaft seat;

5. die cutting the plate;

6. a paperboard;

the crankshaft center axis of the upper group, the eccentric crank center axis of the lower group, and the eccentric crank center axis of the lower group.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments.

Referring to fig. 1, 2, 3 and 4, there is shown a preferred embodiment of a platen die-cutting mechanism matching a continuous paper feeding pattern of the present invention, in which the platen die-cutting mechanism is provided with acrankshaft 3, a die-cutting platen 1, a die-cutting platen 5 and a pressure platen 2; two groups ofcrankshafts 3 are arranged up and down, wherein each group comprises two crankshafts, two eccentric cranks 3-1 are symmetrically arranged on each crankshaft from front to back, and the central axes of the two eccentric cranks 3-1 are overlapped and parallel to the central axis of thecrankshaft 3; in each group of crankshafts, the deviation directions of the central axes of the eccentric cranks on the two crankshafts and the central axis of the crankshaft are the same, and the two crankshafts synchronously rotate in the same direction under the drive of a die cutting drive mechanism (not shown in the figure); the die cutting plate table 1 is arranged on the eccentric cranks of the upper group of crankshafts, the pressure plate table 2 is arranged on the eccentric cranks of the lower group of crankshafts, and the die cutting plate table 1 and the pressure plate table 2 are respectively hinged and assembled with the corresponding eccentric cranks through shaft seats 4 of upper and lower split structures; and thedie cutting plate 5 is fixedly assembled with the die cutting plate table 1.

Referring to fig. 5, in the flat-pressing flat-die cutting mechanism matched with the continuous paper feeding mode, in the die cutting operation process, the upper and lower groups ofcrankshafts 3 synchronously and reversely rotate under the driving of the die cutting driving mechanism of the die cutting machine, so that the pressure plate table 2 and thedie cutting plate 5 are periodically separated and pressed together, and the die cutting and impressing process of a paperboard 6 workpiece is realized.

Referring to fig. 6, the flat-pressing flat-die cutting mechanism matching with the continuous paper feeding mode of the present invention has the die cutting working process that: after a working cycle begins, under the drive of a die cutting driving mechanism, an upper group ofcrankshafts 3 and a lower group ofcrankshafts 3 synchronously rotate in opposite directions, a pressure plate table 2, a die cutting plate table 1 and adie cutting plate 5 gradually approach each other, and when the central axis II of an eccentric crank of an upper group of crankshafts is positioned on the right side of the central axis I of an upper group of crankshafts and the central axis III of an eccentric crank of a lower group of crankshafts is positioned on the right side of the central axis IV of a lower group of crankshafts, a die cutting mechanism is in a working state of preparing for die cutting; along with synchronous reverse rotation of the upper group of crankshafts and the lower group ofcrankshafts 3, when the central axis II of the eccentric crank of the upper group of crankshafts is positioned below the central axis I of the upper group of crankshafts and the central axis III of the eccentric crank of the lower group of crankshafts is positioned above the central axis IV of the lower group of crankshafts, the pressure plate table 2 is contacted with thedie cutting plate 5, and the die cutting mechanism is in a die cutting working state at the moment; along with the synchronous reverse rotation of the upper and lower groups ofcrankshafts 3, the pressure plate table 2 is gradually separated from the die cutting plate table 1 and thedie cutting plate 5, and when the central axis II of the eccentric crank of the upper group of crankshafts is positioned on the left side of the central axis I of the upper group of crankshafts and the central axis III of the eccentric crank of the lower group of crankshafts is positioned on the left side of the central axis IV of the lower group of crankshafts, the die cutting mechanism is in a die cutting finishing state; along with the synchronous reverse rotation of upper and lower two sets ofbent axles 3, when the eccentric crank central axis II of a set of bent axle on the top is located the above of a set of bent axle central axis I, and the eccentric crank central axis III of a set of bent axle below is located the below of a set of bent axle central axis IV, pressure version platform 2 separates to initial condition with crosscutting version platform 1 andcross cutting version 5, accomplishes a duty cycle at this moment.

The invention also provides a flat-pressing flat-die cutting machine, wherein the paper feeding mechanism of the flat-pressing flat-die cutting machine adopts a continuous operation mode, the die cutting mechanism adopts the flat-pressing flat-die cutting mechanism matched with the continuous paper feeding mode, and thedie cutting plateform 1 and the pressure plateform 2 in the die cutting mechanism are both of movable platform structures, so that the actions of thedie cutting plateform 1 and the pressure plateform 2 can be matched with the continuous operation speed of the paper feeding mechanism by setting the rotating speed of thecrankshaft 3 and the operation speed of the paper feeding mechanism, thereby solving the problems of low production efficiency and high production cost caused by the intermittent feeding mode of the existing paper feeding mechanism.

Claims (4)

1. A flat-pressing flat die cutting mechanism matched with a continuous paper feeding mode is provided with a crankshaft (3), a die cutting plate table (1), a die cutting plate (5) and a pressure plate table (2); the die cutting mechanism is characterized in that the crankshafts (3) are arranged in two groups from top to bottom, the upper and lower groups of crankshafts (3) synchronously and reversely rotate under the driving of the die cutting driving mechanism, two eccentric cranks (3-1) are arranged on the crankshafts (3) from front to back, and the central axes of the two eccentric cranks (3-1) are overlapped and parallel to the central axis of the crankshafts (3); the die cutting plate table (1) is a square platform and is arranged on an eccentric crank of a group of crankshafts on the square platform; the pressure plate table (2) is matched with the die cutting platform in shape and is arranged on the eccentric cranks of the lower group of crankshafts; the die cutting plate (5) and the die cutting plate table (1) are fixedly assembled, and the pressure plate table (2) and the die cutting plate (5) are driven to periodically separate and press together along with synchronous reverse rotation of the upper crankshaft (3) and the lower crankshaft (3).

2. The platen die cutting mechanism of claim 1 for matching a continuous feed mode, wherein: each group of crankshafts (3) comprises two crankshafts, the deviation directions of the central axes of the eccentric crankshafts on the two crankshafts and the central axis of the crankshaft are the same, and the two crankshafts synchronously rotate in the same direction.

3. The platen die cutting mechanism of claim 2 for matching a continuous feed mode, wherein: the die cutting plate table (1) and the pressure plate table (2) are hinged with the eccentric crank (3-1) through shaft seats (4) of an upper split structure and a lower split structure respectively.

4. A flat-pressing flat die cutting machine is characterized in that: the paper feeding mechanism of the platen die cutter adopts a continuous operation mode, and the die cutting mechanism adopts the platen die cutting mechanism matched with the continuous paper feeding mode according to any one of claims 1 to 3.

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