A die-cutting machine

Abstract

This invention relates to the field of paper cup processing technology, and particularly to a die-cutting machine. The die-cutting machine includes a frame with a paper feed roller at one end; a main body comprising a separating mechanism, a stabilizing mechanism, and a cutting mechanism. The separating mechanism includes a first cylinder, a first connecting member connected to the output end of the first cylinder, a first lifting cylinder connected to the first connecting member, and a separating plate connected to the output end of the first lifting cylinder. The stabilizing mechanism includes a second cylinder, a second connecting member connected to the output end of the second cylinder, a second lifting cylinder connected to the second connecting member, a baffle connected to the output end of the second lifting cylinder, and several adjusting rods connected to the baffle. The cutting mechanism includes a die-cutting plate, a pressure plate, a punching spindle, connecting rods, a fixing plate, and several third connecting members. The punching spindle is connected to the fixing plate via connecting rods, and the fixing plate and pressure plate are connected via third connecting members. The die-cutting plate is mounted on the end of the frame away from the paper feed roller. This die-cutting machine features high automation, good safety, and high production efficiency.

Description

Technical Field

[0001] This invention relates to the field of paper cup processing technology, and in particular to a die-cutting machine. Background Technology

[0002] A die-cutting machine is a device used to cut, emboss, or perforate materials, and is commonly used to produce various types of labels, packaging materials, cards, and other paper or plastic products.

[0003] During the processing of paper cups, cardboard needs to be cut into the shapes of various parts and then assembled. In particular, a die-cutting machine is needed to quickly cut the cup walls.

[0004] Existing paper cup die-cutting machines still have the following shortcomings:

[0005] 1. It cannot automatically count and separate the die-cut paper pieces; the number of die-cut paper pieces still needs to be manually measured with a ruler.

[0006] 2. After reaching the required die-cut quantity, manual handling is required. This step not only wastes manpower, but also poses a safety risk because the paper pick-up point is close to the cutting edge.

[0007] 3. The die-cut paper pieces are quite scattered, requiring manual binding with rope or packaging, which wastes manpower. Summary of the Invention

[0008] The purpose of this invention is to solve the problem that the die-cutting machine described in the background art requires a lot of manual operation and poses safety risks. Here, a new die-cutting machine is proposed, which can automatically count and separate the cut paper pieces and has high production efficiency.

[0009] The technical solution adopted by the present invention to solve its technical problem is: a die-cutting machine, the die-cutting machine comprising:

[0010] A frame, one end of which is provided with a paper feed roller;

[0011] The die-cutting machine body includes a separating mechanism, a stabilizing mechanism, and a cutting mechanism. The separating mechanism includes a first cylinder, a first connecting piece connected to the output end of the first cylinder, a first lifting cylinder connected to the first connecting piece, and a separating plate connected to the output end of the first lifting cylinder.

[0012] The stabilizing mechanism includes a second cylinder, a second connecting piece connected to the output end of the second cylinder, a second lifting cylinder connected to the second connecting piece, a baffle connected to the output end of the second lifting cylinder, and several adjusting rods connected to the baffle.

[0013] The cutting mechanism includes a die-cutting plate, a pressure plate, a punching spindle, a connecting rod, a fixing plate, and several third connecting parts. The punching spindle is connected to the fixing plate via the connecting rod, and the fixing plate is connected to the pressure plate via the third connecting parts. The die-cutting plate is installed at the end of the frame away from the paper feed roller, and several cutting slits are opened on the die-cutting plate.

[0014] A base, which is fixedly connected to a die-cutting plate, and the first cylinder and the second cylinder are mounted on the base;

[0015] A transfer roller is mounted on the frame and is located above the die-cutting plate.

[0016] In the above technical solution, the feed roller is used to provide the raw material base paper, and the transfer roller is used to transfer the base paper into the die-cutting machine body for cutting. The base paper is transferred between the die-cutting plate and the pressure plate. Through the continuous rotation of the punching spindle and the linkage drive, the pressure plate is driven to reciprocate, pressing the base paper onto the die-cutting plate. The paper is cut into the required paper cup shape through the cutting hole. The cut paper is pushed to the other side of the die-cutting plate. As the thickness of the paper stack increases, the stabilizing mechanism moves backward to provide support. When a certain amount is stacked, the paper is pushed away from the cutting hole by the separating mechanism, and can be picked up by a robot arm later.

[0017] Preferably, the frame is also provided with a plurality of guide rollers, which are located between the feed roller and the transfer roller.

[0018] In the above technical solution, the guide roller is used to adjust the transmission direction of the bottom paper.

[0019] Preferably, the die-cutting plate is provided with a plurality of paper guide bars on the side away from the pressure plate, and at least some of the paper guide bars are distributed circumferentially along the cross-section of the cutting opening.

[0020] In the above technical solution, the paper guide bar can receive the paper pieces cut by the die-cutting plate and prevent the paper pieces from scattering and falling off.

[0021] Preferably, for each cut, at least two paper guide bars are set below the cut and at least two paper guide bars are set on the left and right sides of the cut.

[0022] Preferably, the paper guide bar is provided with several auxiliary rings.

[0023] In the above technical solution, the auxiliary ring serves to fix the paper piece.

[0024] Preferably, the adjusting rod includes a support rod, an elastic element, and a gasket. One end of the support rod passes through the baffle and is fixed. The other end of the support rod is fitted with an elastic element. One end of the elastic element is connected to the baffle, and the other end of the elastic element is connected to the gasket.

[0025] In the above technical solution, the gasket contacts the cut paper, and the elastic element provides a certain buffering force to stabilize the paper and prevent it from collapsing, thus facilitating the collection of the paper.

[0026] Preferably, the frame is also provided with a waste guide plate, which is inclined and located below the die-cutting plate.

[0027] In the above technical solution, the waste guide plate can guide the cut bottom paper waste to slide down, making it convenient for workers to collect.

[0028] Preferably, a stainless steel plate is fixed to the side of the pressure plate near the die-cutting plate, and an opening corresponding to the cutting position is formed on the stainless steel plate, the opening being smaller than or equal to the cutting position.

[0029] In the above technical solution, the stainless steel plate has better mechanical strength, which can increase the service life of the pressure plate. An opening is made in the stainless steel plate to facilitate the subsequent installation of the cylinder, which pushes the paper and separates the paper from the cutting edge.

[0030] Preferably, the cutting mechanism further includes several third cylinders, the base of which is connected to the fixed plate, and the output end of which passes through the pressure plate.

[0031] Preferably, the output end of the third cylinder is located inside the opening.

[0032] In the above technical solution, the third cylinder is used to push the cut paper pieces away from the cut edge.

[0033] Preferably, the die-cutting machine is further equipped with a controller, which is electrically connected to the punching spindle, the first cylinder, the first lifting cylinder, the second cylinder, the second lifting cylinder, and the third cylinder.

[0034] The beneficial effects of this invention are:

[0035] 1. The present invention improves production safety by pre-setting the required number of cuts in the controller. When the number of cut paper pieces reaches the predetermined number, the third cylinder pushes the paper pieces to separate from the cutting edge, and then the second lifting cylinder raises the partition plate and starts the second cylinder to move the paper pieces away from the cutting edge.

[0036] 2. The present invention, by setting up a stabilizing mechanism, controls the first cylinder to move slowly as the paper sheets accumulate, so that the paper sheets are clumped together and not easily dispersed, which facilitates the final collection and transfer of the paper sheets.

[0037] 3. This invention eliminates the need to shut down the die-cutting machine and remove the paper after a certain number of paper pieces have been die-cut. It can automatically detect the number of die-cut paper pieces and send them out, thus improving production efficiency. Attached Figure Description

[0038] Figure 1 This is a schematic diagram of the die-cutting machine of the present invention;

[0039] Figure 2 This is an enlarged view of part I of the die-cutting machine of the present invention;

[0040] Figure 3 This is a front view of the die-cutting machine of the present invention;

[0041] Figure 4 This is a side view of the die-cutting machine of the present invention;

[0042] Figure 5 This is an enlarged view of the die-cutting machine II of the present invention.

[0043] Illustration: 1. Frame, 3. Separating mechanism, 4. Stabilizing mechanism, 5. Cutting mechanism, 6. Base, 7. Transfer roller, 101. Feed roller, 102. Guide roller, 103. Waste guide plate, 301. First cylinder, 302. First connecting piece, 303. First lifting cylinder, 304. Separating plate, 401. Second cylinder, 402. Second connecting piece, 403. Second lifting cylinder, 404. Baffle, 405. Adjusting rod, 406. Support rod, 407. Elastic element, 408. Shim, 501. Die-cutting plate, 502. Pressure plate, 503. Punching spindle, 504. Connecting rod, 505. Fixing plate, 506. Third connecting piece, 507. Cutting opening, 508. Paper guide bar, 509. Auxiliary ring, 510. Stainless steel plate, 511. Opening, 512. Third cylinder. Detailed Implementation

[0044] It should be noted that the following detailed descriptions are illustrative and intended to provide further explanation of this application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0045] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0046] The present invention will now be further illustrated with specific examples. The following embodiments are only for explaining the present invention and do not constitute a limitation thereof. The test samples and test procedures used in the following embodiments include the following (if the specific experimental conditions are not specified in the embodiments, they are usually performed according to conventional conditions or the conditions recommended by the reagent company; the reagents, consumables, etc. used in the following embodiments can be obtained commercially unless otherwise specified).

[0047] like Figure 1-5 As shown, a die-cutting machine is composed of a frame 1, a die-cutting machine body, a base 6, and a conveyor roller 7. The right end of the frame is rotatably connected to a paper feed roller 101, on which a base paper is wrapped for subsequent die-cutting. The middle part of the frame is provided with several guide rollers 102, which are used to change the direction of guiding the base paper conveying. The number of guide rollers can be selected as needed, including but not limited to 1, 2, 3, etc. The lower part of the frame is provided with a waste guide plate 103, which is used to guide the die-cut base paper for easy recycling by workers.

[0048] like Figure 2 As shown, the main body of the die-cutting machine consists of a separating mechanism 3, a stabilizing mechanism 4, and a cutting mechanism 5. The separating mechanism is used to separate the cut paper sheets. The separating mechanism consists of a first cylinder 301, a first connecting piece 302 connected to the output end of the first cylinder, a first lifting cylinder 303 connected to the first connecting piece, and a separating plate 304 connected to the output end of the first lifting cylinder. The first cylinder is used to control the horizontal movement of the first connecting piece, the first lifting cylinder, and the separating plate. The first lifting cylinder is used to control the up and down movement of the separating plate. The separating plate is in contact with or close to the die-cutting plate.

[0049] The stabilizing mechanism is used for collecting, stabilizing, and buffering the cut paper pieces. The stabilizing mechanism consists of a second cylinder 401, a second connector 402 connected to the output end of the second cylinder, a second lifting cylinder 403 connected to the second connector, a baffle 404 connected to the output end of the second lifting cylinder, and several adjusting rods 405 connected to the baffle.

[0050] In this embodiment, the baffle and the partition plate are similar in shape, each consisting of a long strip plate, three large conical plates, and two small conical plates. The three large conical plates and the two small conical plates are interspersed at intervals. Each conical plate has four adjusting rods fixed to its top. The pads of the adjusting rods can hold the cut paper pieces against each other to prevent the paper pieces from collapsing.

[0051] The adjusting rod consists of a support rod 406, an elastic element 407, and a washer 408. One end of the support rod passes through the baffle and is fixed, while the other end of the support rod is fitted with an elastic element. One end of the elastic element is connected to the baffle, and the other end of the elastic element is connected to the washer, which serves as a buffer.

[0052] like Figure 4 As shown, the cutting mechanism consists of a die-cutting plate 501, a pressure plate 502, a punching spindle 503, a connecting rod 504, a fixed plate 505, several third connecting parts 506, a stainless steel plate 510, and several third cylinders 512. The punching spindle and the fixed plate are connected by a connecting rod to form a reciprocating motion structure. The fixed plate and the pressure plate are fixedly connected by the third connecting parts. The die-cutting plate is mounted on the frame and has five identical cutting slits 507. It should be noted that the number of cutting slits can be adjusted according to the width of the base paper and the die-cutting pressure, and the number of cutting slits includes, but is not limited to, 3, 4, 5, etc. Several paper guide rods 508 are provided on the right side of the die-cutting plate to guide the cut paper. The paper sheet moves and is supported. In this embodiment, two paper guide rods are set below each cut, and one paper guide rod is set on the left and right sides of each cut. These paper guide rods support the cut paper sheet. Therefore, in other embodiments, three or four rods can be set at the bottom of the cut, and two or three rods can be set on the left and right sides of the cut to strengthen the support. Two auxiliary rings are set on each paper guide rod. These auxiliary rings are used to limit and fix the cut paper sheet. A stainless steel plate is fixed on the right side of the pressure plate. An opening 511 corresponding to the cut position is opened on the stainless steel plate. This opening is located inside the cut to provide space for the extension and retraction of the third cylinder. The base of the third cylinder is connected to the fixed plate. Figure 5 As shown, the output end of the third cylinder extends through the pressure plate into the opening. In this embodiment, a total of 10 third cylinders are provided, with 2 third cylinders at each cutting point, which are used to push the cut paper pieces to separate from the die-cutting plate.

[0053] The base is fixedly connected to the bottom of the die-cutting plate. The first and second cylinders are mounted on the base, and a protective cover is installed around the base.

[0054] The transfer roller is mounted on the frame, located above the die-cutting plate, and transfers the bottom paper downwards into the gap between the stainless steel plate and the die-cutting plate.

[0055] In this embodiment, all electrical devices are controlled by a controller, resulting in a high degree of automation and reducing the workload of workers.

[0056] A pre-programmed sequence can be set within the controller. As the paper sheets are continuously cut and stacked, the second cylinder is automatically controlled to adjust the distance between the adjusting rod and the die-cutting plate to accommodate the stacking thickness of the paper sheets. The number of paper sheets to be cut is automatically detected. When the predetermined number is reached, the third cylinder is automatically controlled to push the paper sheets to initially separate from the cutting edge. Then, the first cylinder and the first lifting cylinder are automatically controlled to adjust the partition plate and push the paper sheets away from the cutting edge. The paper sheets are then transferred by a robotic arm.

[0057] The workflow of this invention is as follows:

[0058] The controller sets the required number of paper sheets to be cut, such as 1000 sheets. The conveyor roller rotates continuously, driving the bottom paper on the feed roller to move through the gap between the die-cutting plate and the stainless steel plate. The controller controls the rotation of the punching spindle, which drives the connecting rod to move. The connecting rod drives the fixed plate, pressure plate, and stainless steel plate to reciprocate. The stainless steel plate presses the bottom paper onto the die-cutting plate, and the bottom paper is cut into paper sheets with the cut outline. The paper sheets are pushed and stored on the guide rod. At this time, the shims on the adjusting rod abut against the paper sheets for buffering and fixing. As the bottom paper is continuously cut, the paper sheets accumulate and the thickness increases. During this period, the controller continuously controls the second cylinder to move away from the die-cutting plate. The second cylinder drives the second connecting piece to move, the second connecting piece drives the second lifting cylinder to move, and the second lifting cylinder moves the baffle plate. The adjusting rod moves to adapt to and stabilize the accumulation of paper sheets, preventing them from collapsing and scattering. After reaching the predetermined cutting quantity, the third cylinder is activated to push the paper sheets away from the cutting edge of the die-cutting plate. Then, the first lifting cylinder is activated to rise, which in turn raises the partition plate. The first cylinder moves away from the die-cutting plate, which in turn moves the first connecting piece. The first connecting piece moves the first lifting cylinder, which in turn moves the partition plate, thus pushing the paper sheets away from the die-cutting plate. As the paper sheets are pushed away, the second cylinder works in conjunction with the speed at which the first cylinder moves away from the die-cutting plate. At this point, the paper sheets are still tightly adhered. Subsequently, the paper sheets are transferred by a robotic arm. During the transfer process, the die-cutting machine can still operate normally. After the paper sheets are transferred, the partition plate is returned to its original position by controlling the first lifting cylinder and the first cylinder.

[0059] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. For the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple; relevant parts can be referred to in the method section.

[0060] The die-cutting machine provided by this invention has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this invention. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this invention. It should be noted that those skilled in the art can make various improvements and modifications to this invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this invention.

Claims

1. A die-cutting machine, characterized in that: The die-cutting machine includes: A frame (1) is provided with a paper feed roller (101) at one end. The die-cutting machine body includes a separating mechanism (3), a stabilizing mechanism (4), and a cutting mechanism (5). The separating mechanism includes a first cylinder (301), a first connector (302) connected to the output end of the first cylinder, a first lifting cylinder (303) connected to the first connector, and a separating plate (304) connected to the output end of the first lifting cylinder. The stabilizing mechanism includes a second cylinder (401), a second connector (402) connected to the output end of the second cylinder, a second lifting cylinder (403) connected to the second connector, a baffle (404) connected to the output end of the second lifting cylinder, and several adjusting rods (405) connected to the baffle. The cutting mechanism includes a die-cutting plate (501), a pressure plate (502), a punching spindle (503), a connecting rod (504), a fixing plate (505), and several third connecting parts (506). The punching spindle is connected to the fixing plate via the connecting rod, and the fixing plate is connected to the pressure plate via the third connecting parts. The die-cutting plate is installed at the end of the frame away from the paper feed roller, and several cutting slits (507) are opened on the die-cutting plate. Base (6), the base is fixedly connected to the die-cutting plate, and the first cylinder and the second cylinder are installed on the base; The transfer roller (7) is mounted on the frame and is located above the die-cutting plate.

2. The die-cutting machine according to claim 1, characterized in that: The frame is also provided with a number of guide rollers (102), which are located between the paper feed roller and the transfer roller.

3. The die-cutting machine according to claim 1, characterized in that: The die-cutting plate is provided with a number of paper guide bars (508) on the side away from the pressure plate, and at least some of the paper guide bars are distributed circumferentially along the cross-section of the cutting opening.

4. The die-cutting machine according to claim 3, characterized in that: For each cut, at least two paper guide rods are placed below the cut and at least two paper guide rods are placed on the left and right sides of the cut.

5. The die-cutting machine according to claim 3, characterized in that: The paper guide bar is provided with several auxiliary rings (509).

6. The die-cutting machine according to claim 1, characterized in that: The adjusting rod includes a support rod (406), an elastic element (407), and a gasket (408). One end of the support rod passes through the baffle and is fixed. The other end of the support rod is fitted with an elastic element. One end of the elastic element is connected to the baffle, and the other end of the elastic element is connected to the gasket.

7. The die-cutting machine according to claim 1, characterized in that: The frame is also provided with a waste guide plate (103), which is inclined and located below the die-cutting plate.

8. The die-cutting machine according to claim 1, characterized in that: A stainless steel plate (510) is fixed to the side of the pressure plate near the die-cutting plate. An opening (511) is made on the stainless steel plate corresponding to the cutting position. The opening is smaller than or equal to the cutting position.

9. The die-cutting machine according to claim 8, characterized in that: The cutting mechanism also includes several third cylinders (512), the base of which is connected to the fixed plate, and the output end of which passes through the pressure plate.

10. The die-cutting machine according to claim 9, characterized in that: The output end of the third cylinder is located inside the opening.

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