Longitudinal cutting device of splitting machine

By using a servo motor to drive the lead screw rotation and cooperating with a pneumatic blade holder, the longitudinal cutting device of the slitting machine can be automatically adjusted, which solves the problem of difficult control of the cutting blade position accuracy, improves the cutting accuracy and efficiency, reduces material waste, and increases production efficiency.

CN223904108UActive Publication Date: 2026-02-13DONGGUAN HONGHUI MECHANICAL EQUIP CO LTD
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Patent Information

Application Number
CN202520261963.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-02-13
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

The slitting device of the existing slitting machine is difficult to control in terms of precision when adjusting the position of the cutter, resulting in paper size defects, serious material waste, and manual adjustment is time-consuming and labor-intensive, affecting processing efficiency.

Method used

A servo motor drives the lead screw to rotate. Through the cooperation of the lead screw and the lead screw nut, the position of the upper cutting blade assembly is automatically adjusted. The pneumatic blade holder and the bottom blade assembly work together to achieve precise positioning of the cutting blade. Combined with the edge pressing assembly and the suction tube, the accuracy and efficiency of the cutting edge are ensured.

Benefits of technology

It improves the precision and efficiency of edge cutting, reduces material waste, reduces the working time of staff, and increases the production efficiency of the slitting machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a slitting device of a slitting machine, which comprises lead screw seats oppositely arranged on a rack of the slitting machine, a plurality of lead screws are rotatably arranged between the two lead screw seats, one end of each lead screw is respectively in transmission connection with a driving component, a fixing plate is arranged below the lead screw seats, a mounting plate is arranged on the fixing plate in a sliding manner, and the lead screws are arranged on the mounting plate. The mounting plate is provided with an upper cutter assembly and a connecting seat, the connecting seat is provided with a lead screw nut in threaded connection with the lead screw, a cutter shaft is rotationally arranged below the upper cutter assembly, the cutter shaft is provided with a lower cutter assembly matched with the upper cutter assembly, the lead screw is driven by the driving assembly to rotate, and the lower cutter assembly is driven by the driving assembly to rotate under the action of matching of the lead screw and the lead screw nut. The cutter adjusting device drives the mounting plate provided with the upper cutter assemblies to move, so that the distance between the upper cutter assemblies is adjusted, the cutter adjusting efficiency and the edge cutting precision can be effectively improved, the situation that materials are wasted due to edge cutting errors caused by manual adjustment is avoided, the working time of workers is shortened, and the edge cutting working efficiency of the splitting machine is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a slitting machine technical field, concretely relates to a longitudinal cutting device of slitting machine. BACKGROUND

[0002] The slitting machine is a kind of mechanical equipment to cut wide paper, mica tape or film into multiple narrow materials, commonly used in papermaking machinery, wire and cable mica tape and printing and packaging machinery.The slitting machine is mainly used for: non-woven fabric;Mica tape, paper, insulation materials and various film materials are cut, especially suitable for cutting narrow strips (non-woven fabric, paper, insulation materials, mica tape, film, etc.).

[0003] The longitudinal cutting device of slitting machine can ensure that the edge of the material is flat and burr-free, improve the quality and appearance effect of the product, in addition, the trimming device can also improve the production efficiency, reduce the scrap rate and reduce the production cost;But the existing longitudinal cutting cutter often needs to be adjusted manually when the processing size needs to be changed, but the position precision of the cutter cannot be controlled by manual adjustment, which can easily lead to unqualified paper size, easily cause material waste, and is time-consuming and laborious, which is not conducive to the improvement of processing efficiency. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a longitudinal cutting device of slitting machine.

[0005] The utility model discloses a longitudinal cutting device of slitting machine, including the screw rod seat that is oppositely arranged on the rack of slitting machine, multiple screw rods are rotationally arranged between two screw rod seats, and the one end of each screw rod is respectively connected with the drive assembly, and the lower portion of screw rod seat is equipped with fixed plate, and the fixed plate is slidably equipped with mounting plate, and the mounting plate is equipped with upper cutter assembly, connecting seat, and the connecting seat is equipped with the screw nut of screw thread connection with screw rod.

[0006] Preferably, the drive assembly includes a servo motor, a first pulley is mounted on the output end of the servo motor, and a second pulley is arranged on one end of the screw rod, and the first pulley and the second pulley are connected by a synchronous belt.

[0007] Preferably, the upper cutter assembly includes a pneumatic tool rest, and a longitudinal cutting knife is rotationally arranged on the output end of the pneumatic tool rest.

[0008] Preferably, the lower cutter assembly includes a base knife, two guide holes are formed on the outer diameter of the base knife, a guide rod is movably arranged in the guide hole, a spring is sleeved on the guide rod, a recess is formed in the inner diameter of the base knife, a top block is arranged in the recess and is threadedly connected with the guide rod, a threaded hole is formed between the two guide holes, and a screw is arranged in the threaded hole and abuts against the top block.

[0009] Preferably, the key grooves are arranged on the cutter shaft and the bottom cutter, and the key grooves are provided with keys.

[0010] Preferably, the lower cutter assembly is provided with a paper passing plate on one side, and the paper passing plate is provided with a side pressing assembly at both ends.

[0011] Preferably, the side pressing assembly comprises a horizontal rod, a supporting arm movably arranged on the horizontal rod, and a side pressing wheel rotatably arranged at one end of the supporting arm and locked with the horizontal rod through a bolt.

[0012] Preferably, the cutter shaft is provided with an adjusting plate below, and an air suction cylinder is adjustably arranged on the adjusting plate and locked with the adjusting plate through a bolt.

[0013] The utility model discloses a beneficial effect is: the utility model discloses a driving assembly drives the rotation of the screw rod, under the cooperation of the screw rod and the screw rod nut, drives the installation plate of installing the upper cutter assembly and moves to adjust the spacing between each upper cutter assembly, can effectively improve the efficiency of the knife and the precision of the edge cutting, avoids the failure of the edge cutting caused by manual adjustment and waste the material, reduces the working time of staff, improves the working efficiency of the edge cutting of slitting machine. BRIEF DESCRIPTION OF DRAWINGS

[0014] The embodiments in the drawings do not constitute any limitation on the utility model, and other drawings can be obtained by the following drawings without creative labor for ordinary skilled in the art.

[0015] Figure 1 It is a longitudinal cutting device structure schematic view of the utility model kind slitting machine.

[0016] Figure 2 It is a screw rod structure schematic view of the utility model kind longitudinal cutting device of slitting machine.

[0017] Figure 3 It is a bottom cutter structure schematic view of the utility model kind longitudinal cutting device of slitting machine.

[0018] Figure 4 It is a bottom cutter sectional view of the utility model kind longitudinal cutting device of slitting machine.

[0019] Figure 5 It is a side pressing assembly structure schematic view of the utility model kind longitudinal cutting device of slitting machine.

[0020] Figure 6 It is a connecting seat structure schematic view of the utility model kind longitudinal cutting device of slitting machine.

[0021] The reference signs shown in the drawings are as follows: 1, screw rod base; 2, screw rod; 3, driving assembly; 301, servo motor; 302, synchronous belt; 4, connecting base; 401, screw rod nut; 5, fixed plate; 6, mounting plate; 7, upper cutter assembly; 701, pneumatic cutter holder; 702, longitudinal cutter; 8, cutter shaft; 801, key groove; 802, key; 9, lower cutter assembly; 901, bottom cutter; 902, guide hole; 903, guide rod; 904, spring; 905, recess; 906, top block; 907, threaded hole; 908, screw; 10, paper passing plate; 11, edge pressing assembly; 1101, horizontal rod; 1102, supporting arm; 1103, edge pressing wheel; 12, adjusting plate; 13, air suction cylinder. DETAILED DESCRIPTION

[0022] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0023] In addition, if the embodiments of the present application involve descriptions of "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0024] The technical solutions of the present application will be described clearly and completely in conjunction with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person skilled in the art without creative labor are within the protection scope of the present application.

[0025] Reference is made to Figures 1 to 6As shown, the utility model of structure is: a longitudinal cutting device of slitting machine, including opposite setting on the slitting machine frame screw rod seat 1, two screw rod seat 1 between rotation is equipped with multiple screw rods 2, each screw rod 2 one end is drivenly connected with drive assembly 3, and each screw rod 2 is driven by drive assembly 3 alone, and the lower portion of screw rod seat 1 is equipped with fixed plate 5, and fixed plate 5 is slidably equipped with mounting plate 6, and the number of mounting plate 6 corresponds with the number of screw rod 2, and mounting plate 6 is equipped with upper cutter assembly 7, connecting seat 4, and connecting seat 4 is equipped with the hole corresponding with the number of screw rod 2, and the diameter of hole is greater than the diameter of screw rod 2, and connecting seat 4 is equipped with the screw rod nut 401 of screw thread connection with screw rod 2, and screw rod nut 401 is installed in one of the holes on connecting seat 4 and is screw thread connected with corresponding screw rod 2, and screw rod 2 is driven to rotate by drive assembly 3, drives screw rod nut 401 screw thread cooperation with screw rod 2, converts screw rod 2 rotary motion into the linear motion of screw rod nut 401, drives mounting plate 6 to move position on guide rail, thereby automatically adjusts the position of upper cutter assembly 7, and the lower portion of upper cutter assembly 7 is rotatably equipped with cutter shaft 8, and cutter shaft 8 is drivingly connected with the conveying motor of slitting machine, and cutter shaft 8 is installed with lower cutter assembly 9 matched with upper cutter assembly 7, and lower cutter assembly 9 is adjusted manually, and the excess part of paper edge is cut off under the cooperation of upper cutter assembly 7 and lower cutter assembly 9, to ensure the longitudinal dimension of paper and the edge flatness without burr.

[0026] As Figure 2 Shown, drive assembly 3 includes servo motor 301, and the output end of servo motor 301 is installed with first pulley, and one end of screw rod 2 is equipped with second pulley, and first pulley and second pulley are drivingly connected through synchronous belt 302, and servo motor 301 drives first pulley to rotate, and first pulley drives second pulley to rotate through synchronous belt 302, to make second pulley drive screw rod 2 to rotate.

[0027] Further, upper cutter assembly 7 includes pneumatic tool rest 701, and longitudinal cutter 702 is rotatably arranged on the output end of pneumatic tool rest 701, and pneumatic tool rest 701 can drive longitudinal cutter 702 to move up and down to cut paper.

[0028] As Figure 3 、 Figure 4As shown, the lower cutter assembly 9 includes a bottom cutter 901, two guide holes 902 are formed on the outer diameter of the bottom cutter 901, a guide rod 903 is movably arranged in the guide hole 902, a spring 904 is sleeved on the guide rod 903, a recess 905 is formed on the inner diameter of the bottom cutter 901, a top block 906 is arranged in the recess 905 and is threadedly connected with the guide rod 903, a threaded hole 907 is formed between the two guide holes 902, and a screw 908 is arranged in the threaded hole 907 and abuts against the top block 906. Specifically, when the position of the bottom cutter 901 is adjusted, the screw 908 is loosened, the guide rod 903 is pushed up and moves upward under the action of the spring 904, thereby driving the top block 906 to move upward and loosen the cutter shaft 8. Then, the position of the bottom cutter 901 is adjusted so that the cutting edges of the bottom cutter 901 and the vertical cutter 702 are in close contact. Then, the screw 908 is tightened, the screw 908 abuts against the top block 906 and moves downward to clamp the cutter shaft 8, and at the same time, the guide rod 903 moves downward and compresses the spring 904, thereby tightly locking the bottom cutter 901 on the cutter shaft 8, so as to avoid the shaking of the bottom cutter 901 during vertical cutting and cause uneven cutting.

[0029] As shown in Figure 3 , Figure 4 , key grooves 801 are formed on the cutter shaft 8 and the bottom cutter 901, and keys 802 are arranged in the key grooves 801. The circumferential torque is transmitted through the cooperation of the key grooves 801 and the keys 802 to prevent the bottom cutter 901 from slipping with the cutter shaft 8 during cutting.

[0030] As shown in Figure 1 , one side of the lower cutter assembly 9 is provided with a paper passing plate 10, and the two ends of the paper passing plate 10 are provided with edge pressing assemblies 11. The edge pressing assemblies 11 are used to press the two sides of the paper on the paper passing plate 10 to prevent the edge of the paper from being raised during vertical cutting.

[0031] As shown in Figure 5 , the edge pressing assembly 11 includes a horizontal rod 1101, a supporting arm 1102 is movably arranged on the horizontal rod 1101, the supporting arm 1102 is locked with the horizontal rod 1101 through bolts, and a pressing wheel 1103 is rotatably arranged at one end of the supporting arm 1102. The supporting arm 1102 can rotate and move left and right on the horizontal rod 1101 by loosening the bolts. Then, the pressing wheel 1103 is adjusted to a position that just presses the edge of the paper, and then the bolts are tightened to fix the position. The edge of the paper is provided with a certain pressure through the pressing wheel 1103 to prevent the edge of the paper from being wrinkled or warped during vertical cutting, thereby avoiding affecting the vertical cutting precision and the trimming effect.

[0032] As shown in Figure 1As shown, the lower part of the cutter shaft 8 is provided with an adjusting plate 12, and two air suction tubes 13 are movably arranged on the adjusting plate 12, and the air suction tubes 13 are connected with a negative pressure fan through a pipeline. During the trimming, the cut waste is sucked away through the air suction tubes 13, so as to prevent the waste from winding on the equipment and to avoid causing indentation on the paper during the processing. The air suction tubes 13 are locked with the adjusting plate 12 through bolts, and the distance between the two air suction tubes 13 is adjusted according to the width of the paper, so that the application range is wider. During the adjustment, the bolts are loosened first, so that the air suction tubes 13 can freely slide on the adjusting plate 12, and then the bolts are locked after the air suction tubes 13 are positioned at the appropriate positions, so as to fix the positions of the air suction tubes 13.

[0033] During the use, when the position of the upper cutter assembly 7 needs to be adjusted, the lead screw 2 is driven to rotate through the driving assembly 3, and under the cooperation of the lead screw 2 and the lead screw nut 401, the mounting plate 6, on which the upper cutter assembly 7 is mounted, is driven to move, so as to adjust the distance between the upper cutter assemblies 7. Then, the position of the lower cutter assembly 9 is manually adjusted, so that the upper cutter assembly 7 cooperates with the lower cutter assembly 9, the excess part of the paper edge is cut off, and the longitudinal size of the paper and the edge flatness and burr are ensured.

[0034] The above has further described the utility model by means of specific embodiments, but it should be understood that the specific description herein should not be understood as the limitation on the essence and scope of the utility model, and various modifications made to the above embodiments by the ordinary skilled in the art after reading the specification all belong to the scope protected by the utility model.

Claims

1. A slitting device for a slitter, characterized by: The utility model relates to a slitting machine, including the screw rod seat (1) of relative arrangement on the rack of slitting machine, the rotation of a plurality of screw rods (2) is equipped between two screw rod seat (1), each screw rod (2) one end is driven connection has drive assembly (3), the lower side of screw rod seat (1) is equipped with fixed plate (5), the fixed plate (5) on the slidingly equipped with mounting plate (6), the mounting plate (6) is equipped with upper cutter assembly (7), connecting seat (4), the connecting seat (4) is equipped with the screw rod nut (401) of screw rod (2) screw connection, the lower side of upper cutter assembly (7) is equipped with cutter shaft (8), the cutter shaft (8) is installed with the lower cutter assembly (9) of cooperation with upper cutter assembly (7).

2. A slitting device for a splitting machine according to claim 1, characterized in that: The drive assembly (3) includes a servo motor (301), a first pulley is mounted on the output end of the servo motor (301), one end of the screw rod (2) is provided with a second pulley, and the first pulley and the second pulley are drivingly connected through a synchronous belt (302).

3. A slitting device for a splitting machine according to claim 1, characterized in that: The upper cutter assembly (7) includes a pneumatic tool rest (701), and a longitudinal cutter (702) is rotatably arranged on the output end of the pneumatic tool rest (701).

4. A slitting device for a splitting machine according to claim 1, characterized in that: The lower cutter assembly (9) includes a bottom knife (901), two guide holes (902) are formed in the outer diameter of the bottom knife (901), a guide rod (903) is movably arranged in the guide hole (902), a spring (904) is sleeved on the guide rod (903), a recess (905) is formed in the inner diameter of the bottom knife (901), a top block (906) is arranged in the recess (905) and is in threaded connection with the guide rod (903), a threaded hole (907) is formed between the two guide holes (902), and a screw (908) is arranged in the threaded hole (907) and abuts against the top block (906).

5. A slitting device for a splitting machine according to claim 4, characterized in that: Key grooves (801) are formed in the cutter shaft (8) and the bottom knife (901), and keys (802) are arranged in the key grooves (801).

6. A slitting device for a splitting machine according to claim 1, characterized in that: One side of the lower cutter assembly (9) is provided with a paper passing plate (10), and both ends of the paper passing plate (10) are provided with edge pressing assemblies (11).

7. A slitting device for a splitting machine according to claim 6, characterized in that: The edge pressing assembly (11) includes a horizontal rod (1101), a supporting arm (1102) is movably arranged on the horizontal rod (1101), the supporting arm (1102) is locked with the horizontal rod (1101) through bolts, and an edge pressing wheel (1103) is rotatably arranged on one end of the supporting arm (1102).

8. A slitting device for a splitting machine according to claim 1, characterized in that: An adjusting plate (12) is arranged below the cutter shaft (8), an air suction cylinder (13) is adjustably arranged on the adjusting plate (12), and the air suction cylinder (13) is locked with the adjusting plate (12) through bolts.

Citation Information

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