Trimming device for paper production

Abstract

The utility model discloses a paper production trimming device which comprises a machine box, three installation holes are formed in the inner wall of the machine box, I-shaped shafts are rotationally connected to the inner walls of the three installation holes, expansion holes are formed in the outer walls of the three I-shaped shafts, expansion rubber sleeves are fixedly arranged on the outer walls of the three I-shaped shafts in a sleeved mode, and the expansion rubber sleeves are connected with the installation holes in a sleeved mode. The outer walls of the two I-shaped shafts are sleeved with an unwinding disc and a winding disc correspondingly. By arranging the I-shaped shafts, the expansion holes and the expansion rubber sleeves, the positions of paper tubes on the two I-shaped shafts are fixed, and the positions of the two circular edge cutting blades can be fixed; by arranging a third motor, a two-way lead screw, a baffle, a T-shaped plate, V-shaped paper guide plates and a guide rod, the two V-shaped paper guide plates play a role in auxiliary guiding in the paper moving process, edge cutting treatment is conducted on paper through two round edge cutting blades, edge cutting treatment is conveniently conducted on paper with different width requirements, the edge cutting efficiency is improved, and meanwhile the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cotton pulp board technical field especially relates to a paper production trimming device. BACKGROUND

[0002] Cotton pulp board is a kind of pulp board made of cotton fiber as main raw material, commonly used to produce high-quality paper. Because its fiber is long, high strength and pure, the paper made of cotton pulp board usually has good flexibility, durability and water absorption, suitable for high-grade printing paper, art paper, banknote paper, filter paper, etc. After being made into paper as main raw material, the paper needs to be trimmed according to the required size, and the edge of the paper can be ensured to be flat to avoid the generation of burr.

[0003] In the prior art, manual trimming requires multiple people to cooperate, which is labor-intensive and low in efficiency, and cutting failure may occur, therefore, the paper production trimming device is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a paper production trimming device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A paper production trimming device, comprising a machine box, three mounting holes are formed in the inner wall of the machine box, a work shaft is rotatably connected to the inner wall of each mounting hole, an expansion hole is formed in the outer wall of each work shaft, an expansion rubber sleeve is fixedly sleeved on the outer wall of each work shaft, two uncoiling discs and a winding disc are respectively sleeved on the outer wall of two work shafts, two circular trimming blades are sleeved on the outer wall of the other work shaft, four racks are fixedly connected to the outer wall of the machine box, two first motors, a second motor and a third motor are fixedly connected to the top of each rack, one end of the output shaft of each first motor and the second motor is fixedly connected to one end of each work shaft, a rotary joint is fixedly sleeved on the outer wall of each work shaft, an air inlet pipe is fixedly communicated to the outer wall of each rotary joint, an air pump is fixedly communicated to one end of each air inlet pipe, a guide mechanism is arranged in the machine box, and a first guide roller is rotatably connected to the inside of the machine box.

[0007] Preferably, the guide mechanism comprises two V-shaped guide plates, a bidirectional screw rod is fixedly connected to one end of the output shaft of the third motor, two T-shaped plates are threadedly sleeved on the outer wall of the bidirectional screw rod, and the bottom of each T-shaped plate is fixedly connected to the top of each V-shaped guide plate. The guide mechanism is arranged to assist the stability of the paper during movement.

[0008] Preferably, the outer wall of the case is provided with a through hole, the inner wall of the through hole is rotatably connected with the outer wall of the third motor output shaft, and the third motor is arranged to drive the two circular trimming blades to rotate.

[0009] Preferably, the one end of the bidirectional screw rod is fixedly provided with a bearing, the outer ring of the bearing is fixedly connected with a baffle, and the top of the baffle is fixedly connected with the inner wall of the case.

[0010] Preferably, the baffle and the case are fixedly connected with two guide rods, the outer wall of each of the two T-shaped plates is provided with two guide holes, the inner walls of the four guide holes are slidably connected with the outer walls of the two guide rods, and the two T-shaped plates are relatively moved by the two guide rods.

[0011] Preferably, the outer wall of the first guide roller is in contact with the outer walls of the two circular trimming blades, and the first guide roller is arranged to assist the circular trimming blades in trimming the paper.

[0012] Preferably, the inner wall of the case is rotatably connected with two second guide rollers.

[0013] Compared with the prior art, the paper cutting device has the following advantages:

[0014] The two circular trimming blades are fixed in position, the third motor, the bidirectional screw rod, the baffle, the T-shaped plate, the V-shaped paper guide plate and the guide rod are arranged, the two V-shaped paper guide plates play an auxiliary guiding role during the movement of the paper, the two circular trimming blades trim the paper, the labor intensity is reduced, and the trimming efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed in the specific implementation manner. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 A perspective structural schematic view of the paper production trimming device is provided.

[0017] Figure 2 A cross-sectional structural schematic view of the paper production trimming device is provided.

[0018] Figure 3This is a partial cross-sectional three-dimensional structural diagram of a paper production edge-cutting device proposed in this utility model.

[0019] Figure 4 This is a top view of a paper production edge-cutting device proposed in this utility model.

[0020] In the diagram: 1. Chassis; 2. I-shaped shaft; 3. Air inlet; 4. Expansion sleeve; 5. Unwind reel; 6. Rewind reel; 7. Circular trimming blade; 8. First motor; 9. Second motor; 10. Rotary joint; 11. Third motor; 12. Double-acting lead screw; 13. Baffle; 14. T-shaped plate; 15. V-shaped guide plate; 16. Guide rod; 17. First guide roller; 18. Second guide roller. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Depend on Figures 1-4 As shown, a paper production edge trimming device is disclosed, comprising a housing 1. The inner wall of the housing 1 has three mounting holes, and each of the three mounting holes is rotatably connected to an I-shaped shaft 2. Each of the three I-shaped shafts 2 has an expansion hole 3 on its outer wall, and each of the three I-shaped shafts 2 has an expansion sleeve 4 fixedly fitted on its outer wall. The expansion sleeve 4 is expanded by compressed gas. Two of the I-shaped shafts 2 have a unwinding reel 5 and a winding reel 6 fitted on their outer walls, and the two I-shaped shafts 2 drive the unwinding reel 5 and the winding reel 6 to rotate. The outer wall of the other I-shaped shaft 2 has two circular edge trimming blades 7 fitted on its outer wall, and the I-shaped shaft 2 drives the two circular edge trimming blades 7 to rotate.

[0023] Four frames are fixedly connected to the outer wall of the chassis 1. Two first motors 8, two second motors 9 and three third motors 11 are fixedly connected to the top of the four frames respectively. The outer wall of the chassis 1 has through holes. The inner wall of the through holes is rotatably connected to the outer wall of the output shaft of the third motor 11. One end of the output shafts of the two first motors 8 and the two second motors 9 is fixedly connected to one end of the three I-shaped shafts 2 respectively. Existing encoders are installed on the outer walls of the output shafts of the two first motors 8. The rotation angle of the output shaft is detected by the encoders.

[0024] The outer wall of the three I-shaped shafts 2 is fixedly sleeved with a rotary joint 10, the outer wall of the three rotary joints 10 is fixedly interconnected with an air inlet pipe, one end of the three air inlet pipes is fixedly interconnected with an air pump, the outer wall of the air inlet pipe is fixedly installed with an electronic valve, and the electronic valve realizes exhaust operation, so that the three expanded expansion sleeves 4 are deflated.

[0025] The inside of the case 1 is rotationally connected with a first guide roller 17, the outer wall of the first guide roller 17 is in contact with the outer wall of the two circular trimming blades 7, the inside of the case 1 is rotationally connected with two second guide rollers 18, and the first guide roller 17 and the second guide roller 18 are arranged to assist the movement of the paper.

[0026] The inside of the case 1 is provided with a guide mechanism, the guide mechanism comprises two V-shaped guide plates, one end of the output shaft of the third motor 11 is fixedly connected with a bidirectional screw rod 12, one end of the bidirectional screw rod 12 is fixedly sleeved with a bearing, the outer ring of the bearing is fixedly connected with a baffle 13, the top of the baffle 13 is fixedly connected with the inner wall of the case 1, the bidirectional screw rod 12 stably rotates through the bearing, and the third motor 11 drives the bidirectional screw rod 12 to rotate.

[0027] The outer wall of the bidirectional screw rod 12 is threadedly sleeved with two T-shaped plates 14, the bottoms of the two T-shaped plates 14 are respectively fixedly connected with the tops of two V-shaped paper guide plates 15, the bidirectional screw rod 12 drives the two T-shaped plates 14 and the two V-shaped paper guide plates 15 to relatively move, the baffle 13 is fixedly connected with two guide rods 16 between the case 1, the outer wall of the two T-shaped plates 14 is provided with two guide holes, and the inner walls of the four guide holes are respectively slidably connected with the outer walls of the two guide rods 16.

[0028] Working principle: in use, the paper roll is sleeved on the work shaft 2 on the unwinding disc 5, the four second guide rollers 18 are arranged in pairs and are arranged in upper and lower positions, the paper is drawn out and passes through the two circular cutting blades 7 and the first guide roller 17, according to the required cutting width, the two circular cutting blades 7 are relatively moved along the expanding rubber sleeve 4 on the work shaft 2, then one end of the paper is fixed on the work shaft 2 on the winding disc 6, three air pumps are operated, compressed air is respectively introduced into the work shaft 2 through the three air inlet pipes and the three rotary joints 10, and enters the inside of the expanding rubber sleeve 4 through the plurality of inflation holes 3, so that the three expanding rubber sleeves 4 are inflated and open, the paper cylinders on two work shafts 2 are fixed in position for subsequent winding and unwinding operations of the paper, and the expanding rubber sleeve 4 on the other work shaft 2 is inflated and open to fix the position of the two circular cutting blades 7, with the operation of the two first motors 8, the two work shafts 2 connected with the two first motors 8 are driven to rotate, so that the two work shafts 2 rotate to wind and unwind the paper, in the process, the third motor 11 is operated to drive the bidirectional screw rod 12 to rotate, the bidirectional screw rod 12 drives the two T-shaped plates 14 to relatively move, the two T-shaped plates 14 relatively move to drive the two V-shaped paper guide plates 15 to relatively move, the two V-shaped paper guide plates 15 are located on the two sides of the paper and play a role in auxiliary guiding during the movement of the paper, the V-shaped structure of the two V-shaped paper guide plates 15 plays a blocking role through the V-shaped surface during the deviation of the paper, and the effect of correcting deviation is formed, at the same time, when the paper moves to the two circular cutting blades 7, the second motor 9 is operated to drive the work shaft 2 connected with the second motor 9 to rotate, so that the two circular cutting blades 7 rotate and cut the edges of the paper.

[0029] It should be noted that, in actual use, a PLC controller of the prior art can be added, the PLC controller is electrically connected with the first motor 8, the second motor 9, the third motor 11, the air pump and the electronic valve, so as to control the overall operation, and specific data analysis and processing related to the control function can be realized by a person skilled in the art based on common knowledge, which is not within the scope of the present scheme, and the above description only illustrates the beneficial effects that can be achieved by improving the hardware structure based on common knowledge.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the structure and principle of the components known by the person skilled in the art can be known by the person skilled in the art through technical manuals or conventional experimental methods.

[0031] While embodiments of the present application have been shown and described, it is to be understood that the embodiments described are merely divergences and modifications and not limitations of the scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A paper production trimming device comprising a machine housing (1), characterized in that The inner wall of the case (1) is provided with three mounting holes, the inner wall of the three mounting holes is rotationally connected with a I-shaped shaft (2), the outer wall of the three I-shaped shafts (2) is provided with an inflation hole (3), the outer wall of the three I-shaped shafts (2) is fixedly sleeved with an expansion rubber sleeve (4), the outer wall of two of the I-shaped shafts (2) is sleeved with a pay-off reel (5) and a winding reel (6) respectively, the outer wall of the other I-shaped shaft (2) is sleeved with two circular trimming blades (7), the outer wall of the case (1) is fixedly connected with four racks, the top of the four racks is respectively fixedly connected with two first motors (8), a second motor (9) and a third motor (11), one end of the output shafts of the two first motors (8) and the second motor (9) is respectively fixedly connected with one end of the three I-shaped shafts (2), the outer wall of the three I-shaped shafts (2) is fixedly sleeved with a rotary joint (10), the outer wall of the three rotary joints (10) is fixedly interconnected with an air inlet pipe, one end of the three air inlet pipes is fixedly interconnected with an air pump, the inside of the case (1) is provided with a guide mechanism, and the inside of the case (1) is rotationally connected with a first guide roller (17).

2. A paper production trimming device according to claim 1, characterized in that The guide mechanism comprises two V-shaped guide plates, one end of the output shaft of the third motor (11) is fixedly connected with a bidirectional screw rod (12), the outer wall of the bidirectional screw rod (12) is threadedly sleeved with two T-shaped plates (14), and the bottoms of the two T-shaped plates (14) are fixedly connected with the tops of two V-shaped guide plates (15).

3. A paper production edging device according to claim 1, characterized in that The outer wall of the third motor (11) is rotationally connected with the outer wall of the output shaft of the third motor (11).

4. A paper production edging device according to claim 2, characterized in that One end of the bidirectional screw rod (12) is fixedly sleeved with a bearing, the outer ring of the bearing is fixedly connected with a baffle (13), and the top of the baffle (13) is fixedly connected with the inner wall of the case (1).

5. A paper production edging device according to claim 4, characterized in that Two guide rods (16) are fixedly connected between the baffle (13) and the case (1), the outer wall of the two T-shaped plates (14) is provided with two guide holes, and the inner walls of the four guide holes are respectively slidably connected with the outer walls of the two guide rods (16).

6. A paper production edging device according to claim 1, characterized in that The outer wall of the first guide roller (17) is in contact with the outer wall of the two circular trimming blades (7).

7. A paper production edging device according to claim 1, characterized in that The inside of the case (1) is rotationally connected with two second guide rollers (18).

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