Paper pressing device for paper cutter

Abstract

The utility model discloses a paper pressing device for a paper cutting machine, which comprises a conveying assembly, a paper cutting machine body is arranged on the conveying assembly, a support is arranged on the conveying assembly, a plurality of round holes are formed in the side wall of the support, a pressing mechanism is arranged on the support, a side edge limiting mechanism is arranged on the pressing mechanism, and the side edge limiting mechanism is arranged on the side edge limiting mechanism. The pressing mechanism and the side edge limiting mechanism are each provided with a buffering mechanism, and a bulldozing mechanism is installed on the support. Stacked paper is placed on the conveying assembly and conveyed to the position in front of the push plate through the conveying assembly, at the moment, due to blocking of the push plate and the output end of the push rod motor, the stacked paper cannot continue to move forwards, at the moment, the push rod motor is started, the push plate pushes the front end of the stacked paper to be flat till the push plate moves to the position above the stacked paper, and the paper is conveyed to the conveying assembly. And the stacked paper is continuously conveyed and moved by the conveying assembly, so that the effect of flattening the front end of the stacked paper is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper cutting device field especially a paper pressing device for paper cutting machine. BACKGROUND

[0002] Paper processing mainly includes raw material crushing, pulp washing, cooking, bleaching, paper making and cutting. Cutting is the last process of processing, and the cutting of products from cutting to printing and the cutting of the raw material after binding in printing, packaging and book binding production all need to use the paper cutting machine, so the paper cutting machine is an important equipment in post-printing processing.

[0003] The paper pressing device of the prior art paper cutting machine generally only presses the paper vertically downward, so that the paper is not easy to deviate, but the limiting is not arranged on both sides of the paper, the both sides of the stacked paper are not aligned, the stacked paper is not uniformly subjected to the force of the cutter, and the stacked paper is easy to be cut incorrectly, therefore, it is necessary to manually align the both sides of the stacked paper, and the paper on both sides is manually aligned, which is easy to stretch into the cutter below, and is easy to cause an operation accident, therefore, a paper pressing device for a paper cutting machine is needed to conveniently align the both sides of the stacked paper. SUMMARY

[0004] The utility model discloses a paper pressing device for a paper cutting machine which overcomes the defect that the conventional downward pressing of paper cannot align the both sides of the paper.

[0005] The technical scheme for realizing the above-mentioned purpose is as follows: a paper pressing device for a paper cutting machine, comprising a conveying assembly, a paper cutting machine body is installed on the conveying assembly, a support is installed on the conveying assembly, a plurality of round holes are formed in the side wall of the support, a pressing mechanism is installed on the support, a side edge limiting mechanism is installed on the pressing mechanism, a buffer mechanism is arranged on the pressing mechanism and the side edge limiting mechanism, and a flattening mechanism is installed on the support.

[0006] The flattening mechanism comprises a push rod motor and a push plate, the top end of the support is connected with the push rod motor, the output end of the push rod motor is connected with the push plate, and the push plate is located below the top end of the support.

[0007] Preferably, the pressing mechanism comprises a hydraulic cylinder, a fixed rod, a fixed plate and a pressing plate, the top end of the support is connected with the hydraulic cylinder, the output end of the hydraulic cylinder is connected with the pressing plate, the inner top end of the support is connected with the fixed rod, the bottom end of the fixed rod is connected with the fixed plate, and the output end of the hydraulic cylinder passes through the round hole.

[0008] Preferably, the side limiting mechanism comprises side plates, sliding holes, guide rods, racks, gears, rotating holes, rotating rods, screws and mounting blocks, the side walls of the fixed plate are provided with sliding holes, the inner side walls of the sliding holes are connected with guide rods, the side walls of the guide rods are slidably connected with two symmetrically distributed side plates, the top ends of the side plates are connected with racks, the top end of the fixed plate is rotatably connected with a gear, the side wall of one of the racks is connected with a connecting block, the side wall of the connecting block is provided with a rotating hole, the side wall of the rotating hole is rotatably connected with a rotating rod, the side wall of the rotating rod is connected with a screw, the side wall of the screw is threadedly connected with a mounting block, and the side wall of the fixed plate is connected with the mounting block.

[0009] Preferably, the two racks are staggered about the gear, and the side wall of the gear is engaged with the racks.

[0010] Preferably, the side wall of the mounting block is provided with a screw hole, and the side wall of the screw hole is threadedly connected with the screw.

[0011] Preferably, the rotating hole and the rotating rod are both T-shaped.

[0012] Preferably, the buffer mechanism comprises a round rod, springs and a buffer plate, the side walls of the side plates and the pressing plate are slidably connected with round rods, one end of the round rod is connected with a buffer plate, the side walls of the side plates and the pressing plate are connected with a plurality of buffer springs, one end of the buffer spring is connected with the side wall of the buffer plate, and the side wall of the buffer plate is provided with a round corner.

[0013] Preferably, the side wall of the buffer plate on the side plate is connected with a guide inclined plate, the push plate is located close to the input end of the conveying assembly, the paper cutter body is located close to the output end of the conveying assembly, and the pressing mechanism and the side limiting mechanism are located between the push plate and the cutter body.

[0014] The paper cutter has the advantages that:

[0015] 1) The stacked paper is placed on the conveying assembly and conveyed to the front of the push plate, at this time, the stacked paper cannot continue to move forward because the output end of the push plate and the push rod motor blocks, at this time, the push rod motor is started, the push plate pushes the front end of the stacked paper flat, and the push plate moves to the top of the stacked paper, the stacked paper continues to be conveyed and moved by the conveying assembly, and the effect of pushing the front end of the stacked paper flat is realized.

[0016] 2) start the hydraulic cylinder, make the pressing plate move down, the pressing plate drives the round rod and the buffer spring on the pressing plate to move down, the round rod and the buffer spring drive the buffer plate to move down, thereby adjusting the height of the buffer plate to adapt to the height of the stacked paper, using the elastic force of the buffer spring to press the buffer plate down, thereby realizing the downward pressure on the stacked paper, avoiding the random movement of the paper in the vertical direction, and using the elastic force of the buffer spring and the height adjustment of the buffer plate, the buffer plate can also avoid excessive pressing on the stacked paper, causing the stacked paper to be unable to move randomly by the conveying assembly;

[0017] Rotating the screw rod, the screw rod drives the rotating rod to rotate, and the rotating connection between the rotating rod and the rotating hole enables the screw rod to move forward, thereby pushing the connecting block forward, the connecting block drives one of the racks to move, the one rack drives the gear to rotate, and the gear drives the other rack to move in the opposite direction, so that the two side plates gradually approach each other, the side plates drive the round rod and the buffer spring on the side plates to move, and the round rod and the buffer spring drive the buffer plate to move, thereby adjusting the distance between the two buffer plates, and further realizing the limiting and pressing of different paper widths, ensuring that the two sides of the stacked paper can be limited, and ensuring that the buffer plate will not excessively press the two sides of the stacked paper. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is the three-dimensional structure schematic diagram of the utility model;

[0019] Fig. 2 is the front view structure schematic diagram of the utility model;

[0020] Fig. 3 is the left view structure schematic diagram of the utility model;

[0021] Fig. 4 is the top view structure schematic diagram of the utility model;

[0022] Fig. 5 is the buffer plate structure schematic diagram of the utility model;

[0023] Fig. 6 is the round block sectional structure schematic diagram of the utility model;

[0024] Fig. 7 is the rotating hole sectional structure schematic diagram of the utility model.

[0025] DRAWINGS

[0026] 1, conveying assembly; 2, paper cutter body; 3, support; 4, pressing mechanism; 401, hydraulic cylinder; 402, fixed rod; 403, fixed plate; 404, pressing plate; 5, buffer mechanism; 501, round rod; 502, spring; 503, buffer plate; 6, flattening mechanism; 601, push rod motor; 602, push plate; 7, guide inclined plate; 8, side edge limiting mechanism; 801, side plate; 802, sliding hole; 803, guide rod; 804, rack; 805, gear; 806, rotating hole; 807, rotating rod; 808, screw rod; 809, mounting block; 810, connecting block. DETAILED DESCRIPTION

[0027] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model in that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying the importance of the opposite.

[0028] The utility model will be further described below in combination with the drawings.

[0029] Reference is made to the accompanying drawings Figs. 1-7 A paper pressing device for a paper cutter, comprising a conveying assembly 1, a paper cutter body 2 is installed on the conveying assembly 1, a support 3 is installed on the conveying assembly 1, a plurality of round holes are formed in the side wall of the support 3, a pressing mechanism 4 is installed on the support 3, a side edge limiting mechanism 8 is installed on the pressing mechanism 4, the pressing mechanism 4 and the side edge limiting mechanism 8 are both provided with a buffer mechanism 5, and a flattening mechanism 6 is installed on the support 3.

[0030] The flattening mechanism 6 comprises a push rod motor 601 and a push plate 602, the top end of the support 3 is connected with the push rod motor 601, the output end of the push rod motor 601 is connected with the push plate 602, and the push plate 602 is located below the top end of the support 3.

[0031] The stacked paper is placed on the conveying assembly 1 and conveyed to the front of the push plate 602, at this time, the stacked paper cannot continue to move forward because it is blocked by the push plate 602 and the output end of the push rod motor 601, at this time, the push rod motor 601 is started to push the front end of the stacked paper flat by the push plate 602 until the push plate 602 moves above the stacked paper, and the stacked paper continues to be conveyed and moved by the conveying assembly 1, thereby achieving the effect of pushing the front end of the stacked paper flat.

[0032] Reference to the accompanying drawings Figs. 1-3 The pressing mechanism 4 comprises a hydraulic cylinder 401, a fixed rod 402, a fixed plate 403 and a pressing plate 404, the top end of the support 3 is connected with the hydraulic cylinder 401, the output end of the hydraulic cylinder 401 is connected with the pressing plate 404, the inner top end of the support 3 is connected with the fixed rod 402, the bottom end of the fixed rod 402 is connected with the fixed plate 403, and the output end of the hydraulic cylinder 401 passes through the round hole.

[0033] Before the stacked paper is placed on the conveying assembly 1, the hydraulic cylinder 401 is started to move the pressing plate 404 downward, the pressing plate 404 drives the round rod 501 and the buffer spring 502 on the pressing plate 404 to move downward, the round rod 501 and the buffer spring 502 drive the buffer plate 503 to move downward, so as to adjust the height of the buffer plate 503 to adapt to the height of the stacked paper, and the elastic force of the buffer spring 502 is used to press the buffer plate 503 downward, so as to realize the downward pressure on the stacked paper, avoid the random movement of the paper in the vertical direction, and also avoid the excessive pressing of the buffer plate 503 on the stacked paper, which causes the stacked paper to be unable to be conveyed by the conveying assembly 1, and then the stacked paper is moved into the paper cutter body 2 for cutting.

[0034] Reference to the accompanying drawings Figs. 1-7The side limiting mechanism 8 comprises side plates 801, sliding holes 802, guide rods 803, racks 804, gears 805, rotating holes 806, rotating rods 807, screw rods 808, mounting blocks 809 and connecting blocks 810. The side walls of the fixed plate 403 are provided with the sliding holes 802, the inner side walls of the sliding holes 802 are connected with the guide rods 803, the side walls of the guide rods 803 are slidingly connected with the two symmetrically distributed side plates 801, the top ends of the side plates 801 are connected with the racks 804, the top end of the fixed plate 403 is rotationally connected with the gear 805, the side wall of one of the racks 804 is connected with the connecting block 810, the side wall of the connecting block 810 is provided with the rotating hole 806, the side wall of the rotating hole 806 is rotationally connected with the rotating rod 807, the side wall of the rotating rod 807 is connected with the screw rod 808, the side wall of the screw rod 808 is threadedly connected with the mounting block 809, the side wall of the fixed plate 403 is connected with the mounting block 809, the two racks 804 are staggered about the gear 805, the side wall of the gear 805 is engaged with the racks 804, the side wall of the mounting block 809 is provided with a screw hole, the side wall of the screw hole is threadedly connected with the screw rod 808, the rotating hole 806 and the rotating rod 807 are both T-shaped, the buffer mechanism 5 comprises round rods 501, springs 502 and buffer plates 503, the side walls of the side plates 801 and the side walls of the pressing plates 404 are both slidingly connected with the round rods 501, one end of the round rod 501 is connected with the buffer plate 503, the side walls of the side plates 801 and the side walls of the pressing plates 404 are both connected with the plurality of buffer springs 502, one end of the buffer spring 502 is connected with the side wall of the buffer plate 503, the side wall of the buffer plate 503 is provided with a round corner, the side wall of the buffer plate 503 located on the side plate 801 is connected with the guide inclined plate 7, the push plate 602 is located close to the input end of the conveying assembly 1, the cutting machine body 2 is located close to the output end of the conveying assembly 1, the pressing mechanism 4 and the side limiting mechanism 8 are located between the push plate 602 and the cutting machine body 2.

[0035] Before the stacked paper is placed on the conveying assembly 1, the screw rod 808 is rotated, the screw rod 808 drives the rotating rod 807 to rotate, the rotating rod 807 is rotationally connected with the rotating hole 806, when the screw rod 808 moves forward, the connecting block 810 is also pushed forward, the connecting block 810 drives one of the racks 804 to move, the rack 804 drives the gear 805 to rotate, the gear 805 drives the other rack 804 to move reversely, the two side plates 801 gradually approach each other, the side plates 801 drive the round rod 501 and the buffer spring 502 on the side plates 801 to move, the round rod 501 and the buffer spring 502 drive the buffer plate 503 to move, so as to adjust the distance between the two buffer plates 503, and then limit and press the paper with different widths, so as to ensure that the two sides of the stacked paper can be limited and pressed, and the buffer plate 503 will not excessively press the two sides of the stacked paper, after the stacked paper passes the push plate 602, the stacked paper will move to the space between the two buffer plates 503 along the guide slope 7, the elastic force of the buffer spring 502 will push the buffer plate 503, the buffer plate 503 will press the stacked paper, so that the side edges of the stacked paper are aligned, then the stacked paper enters the pressing mechanism 4.

[0036] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit the present application; although the present application is described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced equivalently; the modification or replacement does not make the essence of the corresponding technical solution deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A paper pressing device for a paper cutter, comprising a conveying assembly (1), a paper cutter body (2) is installed on the conveying assembly (1), a support (3) is installed on the conveying assembly (1), a plurality of round holes are formed in the side wall of the support (3), characterized in that, The support (3) is provided with a pressing mechanism (4), the pressing mechanism (4) is provided with a side limiting mechanism (8), the pressing mechanism (4) and the side limiting mechanism (8) are provided with a buffer mechanism (5), and the support (3) is provided with a flattening mechanism (6). The flattening mechanism (6) comprises a push rod motor (601) and a push plate (602), the top end of the support (3) is connected with the push rod motor (601), the output end of the push rod motor (601) is connected with the push plate (602), and the push plate (602) is located below the top end of the support (3).

2. A paper pressing device for a paper cutter according to claim 1, wherein The pressing mechanism (4) comprises a hydraulic cylinder (401), a fixed rod (402), a fixed plate (403) and a pressing plate (404), the top end of the support (3) is connected with the hydraulic cylinder (401), the output end of the hydraulic cylinder (401) is connected with the pressing plate (404), the inner top end of the support (3) is connected with the fixed rod (402), the bottom end of the fixed rod (402) is connected with the fixed plate (403), and the output end of the hydraulic cylinder (401) penetrates through the circular hole.

3. A paper pressing device for a paper cutter according to claim 2, wherein The side limiting mechanism (8) comprises a side plate (801), a sliding hole (802), a guide rod (803), a rack (804), a gear (805), a rotating hole (806), a rotating rod (807), a screw rod (808), a mounting block (809) and a connecting block (810), the side wall of the fixed plate (403) is provided with the sliding hole (802), the inner side wall of the sliding hole (802) is connected with the guide rod (803), the side wall of the guide rod (803) is slidably connected with two symmetrical side plates (801), the top end of the side plate (801) is connected with the rack (804), the top end of the fixed plate (403) is rotatably connected with the gear (805), the side wall of one of the racks (804) is connected with the connecting block (810), the side wall of the connecting block (810) is provided with the rotating hole (806), the side wall of the rotating hole (806) is rotatably connected with the rotating rod (807), the side wall of the rotating rod (807) is connected with the screw rod (808), the side wall of the screw rod (808) is threadedly connected with the mounting block (809), and the side wall of the fixed plate (403) is connected with the mounting block (809).

4. A sheet pressing device for a cutting machine according to claim 3, wherein The two racks (804) are staggered about the gear (805), and the side wall of the gear (805) is engaged with the racks (804).

5. A paper pressing device for a paper cutter according to claim 3, wherein The side wall of the mounting block (809) is provided with a screw hole, and the side wall of the screw hole is threadedly connected with the screw rod (808).

6. A paper pressing device for a paper cutter according to claim 3, wherein The shapes of the rotating hole (806) and the rotating rod (807) are both T-shaped.

7. A paper pressing device for a paper cutter as defined in claim 3, wherein The buffer mechanism (5) comprises a round rod (501), a spring (502) and a buffer plate (503), the side wall of the side plate (801) and the side wall of the pressing plate (404) are both slidably connected with the round rod (501), one end of the round rod (501) is connected with the buffer plate (503), the side wall of the side plate (801) and the side wall of the pressing plate (404) are both connected with a plurality of buffer springs (502), one end of the buffer spring (502) is connected with the side wall of the buffer plate (503), and the side wall of the buffer plate (503) is provided with a round corner.

8. A sheet pressing device for a cutting machine according to claim 7, characterized in that The side wall of the buffer plate (503) located on the side plate (801) is connected with a guide inclined plate (7), the push plate (602) is located close to the input end of the conveying assembly (1), the cutting machine body (2) is located close to the output end of the conveying assembly (1), and the pressing mechanism (4) and the side edge limiting mechanism (8) are located between the push plate (602) and the cutting machine body (2).

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