Leveling mechanism of single sheet cutting machine

Abstract

The utility model discloses a leveling mechanism of a single sheet cutting machine, which belongs to the field of book printing, and comprises a rack, a front traction mechanism, a buffer box, a color code electric eye, a rear traction mechanism, a filtering and paper pressing mechanism and a cutting mechanism, the rack is fixedly connected with a leveling plate, the bottom of the leveling plate is fixedly connected with an air inlet pipe, and the air inlet pipe is fixedly connected with an air outlet pipe. A plurality of sets of air suction holes in a circumferential array are formed in the top of the leveling disc, sealing plates are slidably connected to the two sides of the leveling disc, auxiliary rollers are arranged on the two sides of the leveling disc, and the outer walls of the auxiliary rollers are sleeved with two sets of limiting rings; and the paper moving on the leveling disc is adsorbed and leveled through the air suction holes in the leveling disc, so that the paper is prevented from being wrinkled in the process of being pulled by the rear traction mechanism, and the paper conveying quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of book printing, in particular to a sheet cutting machine leveling mechanism. Background Art

[0002] The sheet cutter is a processing machine that uses the principle of mechanism and equipment power to cut various raw materials in industrial production. It can cut various materials accurately and efficiently according to different needs and is widely used in various fields.

[0003] The sheet cutter has many functions and features. First, it is easy and practical to operate. It can cut raw materials to the required length and size according to needs without assembling complex molds. Secondly, the sheet cutter is precisely designed to reduce the loss of raw materials and improve the utilization rate of materials. In addition, it can also be equipped with slitting equipment to achieve slitting and striping at the same time, thereby improving production efficiency. At the same time, the sheet cutter adopts a sealed safety design, which will not cause danger to the operator. The pull-down cutter design makes it easy to adjust the knife, neat and beautiful. The mechanical tension control system does not require motor electrical control, making the operation more convenient.

[0004] When the single sheet cutting machine is working, the paper is first passed through the middle of the front traction mechanism, the inside of the buffer box, under the color mark electric eye, the middle of the rear traction mechanism, the middle of the filter paper pressing mechanism and the cutting mechanism, and then the front traction mechanism is started to pull the paper into the buffer box, and then the rear traction mechanism is started again to pull the paper to the position of the filter paper pressing mechanism and then cut through the cutting mechanism. However, in the process of paper transportation, when the rear traction mechanism pulls and transports the paper under the color mark electric eye, the paper under the color mark electric eye is easily pulled by the rear traction mechanism, resulting in wrinkles. After wrinkles appear, the rear traction mechanism will roll the paper, resulting in wrinkles and indentations, which makes the paper scrapped and reduces the stability of processing. Utility Model Content

[0005] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a flattening mechanism for a single sheet cutter to solve the problem in the prior art that during the paper conveying process, when the rear traction mechanism pulls and conveys the paper under the color mark electric eye, the paper is easily pulled by the rear traction mechanism under the color mark electric eye, causing wrinkles. After the wrinkles appear, the rear traction mechanism rolls the paper, causing wrinkles and indentations to appear, resulting in the scrapping of the paper and reducing the stability of the processing.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A flattening mechanism for a single sheet cutting machine comprises a frame, a front traction mechanism, a buffer box, a color mark electric eye, a rear traction mechanism, a filtering and pressing mechanism and a cutting mechanism. A flattening disc is fixedly connected to the frame, an air inlet pipe is fixedly connected to the bottom of the flattening disc, a plurality of groups of circular arrays of air suction holes are provided on the top of the flattening disc, sealing plates are slidably connected to both sides of the flattening disc, auxiliary rollers are arranged on both sides of the flattening disc, and two groups of limit rings are sleeved on the outer walls of the auxiliary rollers.

[0008] As a further solution of the utility model: a first bidirectional screw is rotatably connected inside the frame, two groups of first sliders are threadedly connected to the outer wall of the first bidirectional screw, and the tops of the two groups of first sliders are fixedly connected to the two groups of sealing plate side walls through connecting rods.

[0009] As a further solution of the utility model: there are two groups of the first bidirectional screw rods, and the two groups of the first bidirectional screw rods are symmetrically arranged and respectively located on both sides of the air intake pipe.

[0010] As a further solution of the utility model: the limiting ring is slidably connected to the outer wall of the auxiliary roller.

[0011] As a further solution of the utility model: two groups of second bidirectional screw rods are rotatably connected inside the frame, two groups of second sliders are threadedly connected to the outer walls of the two groups of second bidirectional screw rods, and the two groups of second sliders on the two groups of second bidirectional screw rods are respectively fixedly connected to the two groups of limit rings.

[0012] As a further solution of the utility model: two groups of the second bidirectional screw rods are connected to the first bidirectional screw rod through a transmission chain.

[0013] As a further solution of the utility model: the inner wall circumferential array of the limiting ring has multiple groups of balls, and the balls are rollingly connected with the outer wall of the auxiliary roller.

[0014] Beneficial effects of the utility model:

[0015] In the utility model, the paper moving on the flattening disk is adsorbed and flattened through the suction holes on the flattening disk, so that wrinkles are avoided in the process of the paper being pulled by the rear traction mechanism, and the quality of paper transportation is improved. At the same time, the two groups of first sliding blocks are driven by the first bidirectional screw to move toward each other, and the two groups of first sliding blocks drive the two groups of sealing plates to slide inside the two sides of the flattening disk, so that the suction holes on both sides of the flattening disk are sealed with different widths, so that different suction holes with the same number as the paper width can be adjusted for use according to different paper widths, so that redundant suction holes are avoided from doing useless work, the negative pressure suction force of the suction holes under the paper is reduced, and the effect of the suction holes on adsorbing and flattening the paper is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial structural schematic diagram of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial cross-sectional structure of a flattening plate of the utility model when viewed from above;

[0020] Figure 4 It is a left-view internal structure schematic diagram of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the limiting ring in the utility model.

[0022] In the figure: 1. frame; 101. front traction mechanism; 102. buffer box; 103. color-coded electric eye; 104. rear traction mechanism; 105. filter press mechanism; 106. cutting mechanism; 2. leveling plate; 201. suction hole; 3. auxiliary roller; 301. limit ring; 302. ball bearing; 4. air inlet pipe; 5. sealing plate; 501. sealing strip; 6. first bidirectional lead screw; 601. first slider; 602. connecting rod; 7. second bidirectional lead screw; 701. second slider; 8. transmission chain. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 5 As shown, a flattening mechanism of a single sheet cutting machine includes a frame 1, a front traction mechanism 101, a buffer box 102, a color mark electric eye 103, a rear traction mechanism 104, a filtering and pressing mechanism 105 and a cutting mechanism 106. A flattening disc 2 is fixedly connected to the frame 1, an air inlet pipe 4 is fixedly connected to the bottom of the flattening disc 2, a plurality of groups of circular arrays of air suction holes 201 are provided on the top of the flattening disc 2, sealing plates 5 are slidably connected to both sides of the flattening disc 2, auxiliary rollers 3 are arranged on both sides of the flattening disc 2, and two groups of limit rings 301 are sleeved on the outer wall of the auxiliary rollers 3.

[0025] like Figure 1 and Figure 2As shown, the frame 1 mentioned above is internally rotatably connected with a first bidirectional screw rod 6, and the outer wall of the first bidirectional screw rod 6 is threadedly connected with two groups of first sliders 601, and the tops of the two groups of first sliders 601 are fixedly connected to the side walls of the two groups of sealing plates 5 through connecting rods 602, and sealing strips 501 are arranged on both sides of the sealing plates 5, which can increase the sealing effect between the sealing plates 5 and the inner walls on both sides of the leveling disk 2, and the first bidirectional screw rod 6 is driven to rotate by starting the driving motor, and the two groups of first sliders 601 on the outer wall of the first bidirectional screw rod 6 move toward each other, and the two groups of first sliders 601 drive the two groups of sealing plates 5 to move through the connecting rods 602, and the suction holes 201 on both sides of the leveling disk 2 are sealed with different widths, so that different suction holes 201 with the same number of paper widths can be adjusted for use according to different paper widths, so as to avoid redundant suction holes 201 doing useless work, reduce the negative pressure suction force of the suction holes 201 under the paper, and improve the effect of the suction holes 201 on adsorbing and leveling the paper.

[0026] like Figure 2 As shown, there are two groups of the first bidirectional screw rods 6 mentioned above, and the two groups of first bidirectional screw rods 6 are symmetrically arranged and respectively located on both sides of the intake pipe 4. Through the arrangement of the two groups of first bidirectional screw rods 6, the stability of the first bidirectional screw rods 6 driving the two groups of sealing plates 5 to move through the first slider 601 and the connecting rod 602 is improved.

[0027] like Figure 2 As shown, the limit ring 301 mentioned above is slidably connected to the outer wall of the auxiliary roller 3, and two groups of second bidirectional screw rods 7 are rotatably connected inside the frame 1. The outer walls of the two groups of second bidirectional screw rods 7 are threadedly connected with two groups of second sliders 701, and the two groups of second sliders 701 on the two groups of second bidirectional screw rods 7 are respectively fixedly connected to the two groups of limit rings 301, and the two groups of second bidirectional screw rods 7 are transmission-connected to the first bidirectional screw rod 6 through a transmission chain 8. When the first bidirectional screw rod 6 rotates through the first slider 601 and the connecting rod 602 to drive the two groups of sealing plates 5 to move and adjust the number of suction holes 201, the first bidirectional screw rod 6 drives the second bidirectional screw rod 7 to rotate through the transmission chain 8, and the second bidirectional screw rod 7 drives the two groups of second sliders 701 to move toward each other. When the two groups of second sliders 701 move, they drive the two groups of limit rings 301 to slide on the outer wall of the auxiliary roller 3 to adjust the distance between the two groups of limit rings 301, thereby limiting the movement of papers of different widths, thereby improving the applicability of limiting the use of papers of different widths.

[0028] like Figure 5 As shown, the inner wall circular array of the limit ring 301 is provided with a plurality of groups of balls 302, and the balls 302 are connected in a rolling manner with the outer wall of the auxiliary roller 3. When the second bidirectional screw 7 drives the limit ring 301 to slide on the outer wall of the auxiliary roller 3 through the second slider 701, the balls 302 roll with the outer wall of the auxiliary roller 3, thereby improving the smoothness of the movement of the limit ring 301 on the outer wall of the auxiliary roller 3.

[0029] The working principle of the utility model is as follows: when the user uses it, the paper passes through the middle of the front traction mechanism 101, the inside of the buffer box 102, the bottom of the color mark electric eye 103 and the top of the flattening disk 2, the middle of the rear traction mechanism 104, the middle of the filter paper pressing mechanism 105 and the cutting mechanism 106, and then the front traction mechanism 101 is started to pull the paper and feed it to the inside of the buffer box 102, and then the rear traction mechanism 104 is started again to pull the paper and feed it to the position of the filter paper pressing mechanism 105 and then cut by the cutting mechanism 106. At the same time, when the rear traction mechanism 104 is pulling the paper, when the paper moves under the color mark electric eye 103 and above the flattening disk 2, the paper moves from the auxiliary rollers 3 on both sides of the flattening disk 2 at the same time, and the paper is guided by the auxiliary rollers 3 to improve the stability of paper transportation. At the same time, the external suction structure is started to suck air into the air inlet pipe 4, and the air inlet pipe 4 is sucked from the position of the suction hole 201 on the flattening disk 2. Inhale, so that the position of the suction hole 201 generates negative pressure suction, and the negative pressure suction generated by the suction hole 201 is used to adsorb and flatten the moving paper on the flattening plate 2, so as to avoid wrinkles and deformation of the paper when the rear traction mechanism 104 pulls the paper, thereby improving the flatness and conveying quality of the paper feeding. At the same time, when conveying papers of different widths, the first bidirectional screw 6 is driven to rotate by starting the driving motor, and the first bidirectional screw 6 drives the two groups of first sliders 601 to move towards each other, and the two groups of first sliders 601 drive the two groups of sealing plates 5 to slide inside the two sides of the flattening plate 2, so as to seal the suction holes 201 on both sides of the flattening plate 2 with different widths, so that different suction holes 201 with the same number as the paper width can be adjusted according to different paper widths, so as to avoid redundant suction holes 201 doing useless work, reduce the negative pressure suction of the suction holes 201 under the paper, and improve the effect of the suction holes 201 on adsorbing and flattening the paper.

[0030] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A sheet cutter flattening mechanism, comprising a frame (1), a front traction mechanism (101), a buffer box (102), a color mark electric eye (103), a rear traction mechanism (104), a filter and paper pressing mechanism (105) and a cutting mechanism (106), characterized in that: A flattening disc (2) is fixedly connected to the frame (1), an air intake pipe (4) is fixedly connected to the bottom of the flattening disc (2), a plurality of air intake holes (201) are arranged in a circular array on the top of the flattening disc (2), sealing plates (5) are slidably connected to both sides of the flattening disc (2), auxiliary rollers (3) are arranged on both sides of the flattening disc (2), and two groups of limit rings (301) are sleeved on the outer walls of the auxiliary rollers (3).

2. A sheet cutting machine leveling mechanism according to claim 1, characterized in that: The frame (1) is internally rotatably connected with a first bidirectional screw rod (6), the outer wall of the first bidirectional screw rod (6) is threadedly connected with two groups of first sliding blocks (601), and the tops of the two groups of first sliding blocks (601) are fixedly connected to the side walls of the two groups of sealing plates (5) via connecting rods (602).

3. A sheet cutting machine leveling mechanism according to claim 2, characterized in that: There are two groups of the first bidirectional screw rods (6), and the two groups of the first bidirectional screw rods (6) are symmetrically arranged and respectively located on both sides of the air intake pipe (4).

4. A sheet cutting machine leveling mechanism according to claim 2, characterized in that: The limiting ring (301) is slidably connected to the outer wall of the auxiliary roller (3).

5. A sheet cutting machine leveling mechanism according to claim 4, characterized in that: Two groups of second bidirectional screw rods (7) are rotatably connected inside the frame (1); two groups of second sliding blocks (701) are threadedly connected to the outer walls of the two groups of second bidirectional screw rods (7); and the two groups of second sliding blocks (701) on the two groups of second bidirectional screw rods (7) are fixedly connected to the two groups of limiting rings (301) respectively.

6. A sheet cutting machine leveling mechanism according to claim 5, characterized in that: The two groups of the second bidirectional screw rods (7) are connected to the first bidirectional screw rod (6) via a transmission chain (8).

7. The flattening mechanism of the sheet cutter according to claim 5, characterized in that: The inner wall of the limiting ring (301) has a plurality of groups of balls (302) arranged in a circular array, and the balls (302) are rollingly connected to the outer wall of the auxiliary roller (3).

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