Paperboard cutting device

Abstract

The utility model discloses a paperboard cutting device which structurally comprises a frame body, two conveying rollers are correspondingly arranged at the front end and the rear end of the inner side of the frame body, a conveying belt is jointly wound outside the two conveying rollers, and a limiting mechanism used for positioning paperboard materials conveyed on the conveying belt is further arranged on the inner side of the frame body. A cutting mechanism used for cutting paperboards is further arranged in the middle of the frame body. In the paperboard conveying process of the conveying belt, the limiting mechanism limits the left side and the right side of the paperboard, meanwhile, limiting in the vertical direction is provided for the paperboard so as to avoid wrong displacement or vertical upwarp or jumping of the paperboard due to external stress, it is guaranteed that the paperboard is stably and smoothly conveyed, and then the cutting precision of the paperboard is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cardboard processing, and more specifically, to a cardboard cutting device. Background Art

[0002] Corrugated cardboard is a multi-layer adhesive body, which is composed of at least one layer of wavy core paper interlayer and one layer of cardboard. It has high mechanical strength and can withstand collisions and falls during transportation. When processing corrugated cardboard, it needs to be cut and opened according to usage requirements.

[0003] At present, a Chinese patent with a publication (announcement) number of CN220464879U discloses an automatic cutting device with good cardboard positioning effect for cardboard production, which includes a base and a support frame, a conveyor belt for cardboard is provided on the surface of the base, the width of the conveyor belt is less than the width of the cardboard, and fixing mechanisms for fixing the cardboard are provided on both sides of the conveyor belt, and relatively distributed support plates are provided above the cardboard, a first telescopic rod is provided at the lower end of the support plate, a connecting plate is provided at the end of the first telescopic rod, and a cutting blade is provided at the bottom of the connecting plate, wherein limiting mechanisms for limiting the cardboard are also provided on both sides of the conveyor belt; the automatic cutting device with good cardboard positioning effect for cardboard production is used for positioning the cardboard in the paper When the board is cut, the cardboard is transported by the conveyor belt 8. A plurality of limit rollers 4 are arranged on both sides of the conveyor belt 8. The cardboard is limited by the limit rollers 4 to avoid the deviation of the cardboard during transportation. However, the limit rollers 4 on both sides are vertically arranged, that is, the limit rollers 4 are perpendicular to the transmission position of the conveyor belt 8. Although the limit rollers can provide left and right direction limitations for the cardboard transmitted above the conveyor belt, the cardboard will vertically warp or bounce up due to external stress during the transmission and cutting process. At this time, the limit rollers cannot provide vertical direction limitations for the cardboard, which leads to poor stability during the transmission of the cardboard, thereby affecting the cutting accuracy of the cardboard. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a cardboard cutting device to solve the above technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cardboard cutting device, including a frame, two conveying rollers are correspondingly arranged at the front and rear ends of the inner side of the frame, a conveyor belt is commonly wound around the two conveying rollers, a limiting mechanism for positioning the cardboard material conveyed on the conveyor belt is also arranged at the inner side of the frame, and a cutting mechanism for cutting the cardboard is also arranged in the middle of the frame.

[0006] The utility model is further configured as follows: a plurality of support rods are arranged equidistantly and at intervals between two conveying rollers on the inner side of the frame body, the number of conveyor belts is two and they are arranged at intervals, each support rod is provided with a guiding recess at a position corresponding to the two conveyor belts, and the support rod is provided with a cutting recess at a position corresponding to the cutting mechanism.

[0007] The utility model is further configured as follows: the limiting mechanism comprises two positioning substrates correspondingly and slidably arranged in the frame body, a plurality of limiting plates are arranged equidistantly and at intervals on the top of the positioning substrate, and the top of each limiting plate is inclined toward the other positioning substrate side.

[0008] The utility model is further configured as follows: an auxiliary roller is rotatably arranged at the middle of each limit plate.

[0009] The utility model is further configured as follows: a plurality of positioning slide rods are fixedly arranged on the inside of the frame body, the positioning base plate is slidably matched with each positioning slide rod, an adjusting screw rod is rotatably arranged in the middle of the inside of the frame body, the part of the adjusting screw rod located on the inside of the frame body has two threaded sections with opposite rotation directions, the middle parts of the two positioning base plates are respectively provided with screw nuts adapted to the two threaded sections, one end of the adjusting screw rod extends through and extends outside the frame body and is connected to a turntable.

[0010] The utility model is further configured as follows: the cutting mechanism comprises a support frame fixedly arranged above the frame body, an electric push rod is fixedly arranged on the top of the support frame, and an output shaft of the electric push rod penetrates the support frame and is connected with the cutting unit.

[0011] The utility model is further configured as follows: the cutting unit comprises a U-shaped frame drivingly connected to the output shaft of the electric push rod, a servo motor is fixedly installed inside the U-shaped frame, the output shaft of the servo motor is connected to a cutting blade, and the cutting blade corresponds to the position of the cutting recess.

[0012] In summary, the utility model has the following beneficial effects: during operation, when the conveyor belt is conveying the cardboard, the limiting mechanism limits the left and right sides of the cardboard, and at the same time provides vertical limiting for the cardboard to prevent the cardboard from being incorrectly displaced or vertically warped or jumped due to external stress, thereby ensuring stable and smooth transmission of the cardboard, and further ensuring the cutting accuracy of the cardboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic cross-sectional view of the structure of the frame of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the structure of the frame of the utility model from another angle;

[0017] Figure 4 It is a structural schematic diagram of the cutting mechanism of the utility model;

[0018] Figure 5 It is a three-dimensional structural schematic diagram of the limiting plate of the utility model.

[0019] Figure numerals: 1, frame; 10, conveying roller; 11, conveying belt; 2, supporting rod; 20, guiding recess; 21, cutting recess; 3, positioning substrate; 30, limiting plate; 31, auxiliary roller; 4, positioning slide rod; 40, adjusting screw rod; 41, threaded section; 42, screw rod nut; 43, turntable; 5, supporting frame; 50, electric push rod; 51, U-shaped frame; 52, servo motor; 53, cutting blade. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5 As shown, a cardboard cutting device of an embodiment of the utility model includes a frame 1, two conveying rollers 10 are correspondingly arranged at the front and rear ends of the inner side of the frame 1, a conveyor belt 11 is commonly wound around the two conveying rollers 10, a limiting mechanism for positioning the cardboard material conveyed on the conveyor belt 11 is also arranged on the inner side of the frame 1, and a cutting mechanism for cutting the cardboard is also arranged in the middle of the frame 1.

[0022] When in use, the cardboard is placed on the conveyor belt 11, and the two conveyor rollers 10 are used to drive the conveyor belt 11 to work and drive the cardboard to be transported. Specifically, one of the two conveyor rollers 10 is a driving source and the other is a driven source. The conveyor roller 10 as the driving source is connected to an external power source (preferably a power motor) to drive the conveyor roller 10 to rotate. At this time, the conveyor belt 11 can drive and transport the cardboard. The conveyor belt transports the cardboard from front to back along the frame 1, and a cutting mechanism is provided in the middle of the frame 1. The cardboard is transported and contacts the cutting mechanism to realize the cutting operation of the cardboard body.

[0023] When the conveyor belt is conveying the cardboard, the limiting mechanism limits the left and right sides of the cardboard, and at the same time provides vertical limitation for the cardboard to prevent the cardboard from being incorrectly displaced or vertically warped or jumped due to external stress, thereby ensuring stable and smooth transmission of the cardboard and thus ensuring the cutting accuracy of the cardboard.

[0024] On the inner side of the frame 1, a plurality of support rods 2 are arranged equidistantly and at intervals between two conveyor rollers 10. There are two conveyor belts 11 and they are arranged at intervals. Each support rod 2 is provided with a guiding recess 20 at a position corresponding to the two conveyor belts 11, and a cutting recess 21 is also provided at a position corresponding to the cutting mechanism.

[0025] When in use, each support rod 2 provides expansion space for the transmission of cardboard, so that the device can also ensure stable transmission when conveying larger cardboard;

[0026] Each support rod 2 provides support for the conveyor belt 11 to ensure stable operation of the conveyor belt. At the same time, the working path of the conveyor belt is limited by opening a guide recess 20 to avoid position displacement during the operation of the conveyor belt. Furthermore, the guide recess 20 is also equipped with a sponge pad to avoid damage between the conveyor belt and the guide recess 20 due to friction.

[0027] The limiting mechanism includes two positioning substrates 3 correspondingly and slidably arranged in the frame 1 , and a plurality of limiting plates 30 are arranged equidistantly and at intervals on the top of the positioning substrates 3 , and the top of each limiting plate 30 is inclined toward the other positioning substrate 3 .

[0028] When in use, the limiting plates 30 on the two positioning substrates 3 enclose a positioning interval that matches the size of the paperboard material, so that the paperboard can be stably transported within the positioning interval;

[0029] Furthermore, the top end of each limiting plate 30 is inclined toward the other positioning base plate 3, so that the limiting plate 30 can not only provide limiting for the cardboard on both sides but also provide limiting for the cardboard in the vertical direction, thereby preventing the cardboard from being erroneously displaced or vertically warped or jumped due to external stress, thereby improving the stability of the cardboard transmission of the utility model and ensuring the cutting accuracy of the cardboard.

[0030] An auxiliary roller 31 is rotatably disposed at the middle of each limiting plate 30 .

[0031] When in use, the auxiliary rollers 31 are provided to avoid jamming between the paperboard and the limiting plates 30 , thereby further improving the transmission stability and smoothness of the paperboard.

[0032] A plurality of positioning slide bars 4 are fixedly provided on the inner side of the frame body 1, and the positioning base plate 3 is in sliding cooperation with each positioning slide bar 4. An adjusting screw rod 40 is rotatably provided in the middle part of the inner side of the frame body 1. The part of the adjusting screw rod 40 located on the inner side of the frame body 1 has two threaded sections 41 with opposite rotation directions. The middle parts of the two positioning base plates 3 are respectively provided with screw nuts 42 adapted to the two threaded sections 41. One end of the adjusting screw rod 40 extends through and extends to the outside of the frame body 1 and is connected to a turntable 43.

[0033] When in use, the turntable 43 is rotated forward or backward to drive the adjusting screw 40 to rotate. By adjusting the two threaded sections 41 of the screw 40 and the threaded cooperation between the screw nuts 42 of the two positioning base plates 3, and the sliding cooperation between each positioning slide rod 4 and the two positioning base plates 3, the two positioning base plates 3 are driven to slide towards or away from each other, and the spacing between the positioning intervals formed by the limit plates 30 above the two positioning base plates 3 is changed to adapt to the cutting and processing of cardboards of different sizes, thereby improving the flexibility and practicality of the utility model.

[0034] The cutting mechanism includes a support frame 5 fixedly mounted on the frame body 1, an electric push rod 50 is fixedly mounted on the top of the support frame 5, the output shaft of the electric push rod 50 passes through the support frame 5 and is connected to the cutting unit; the cutting unit includes a U-shaped frame 51 which is driven and connected to the output shaft of the electric push rod 50, a servo motor 52 is fixedly mounted on the inner side of the U-shaped frame 51, the output shaft of the servo motor 52 is connected to a cutting blade 53, and the cutting blade 53 corresponds to the position of the cutting recess 21.

[0035] When in use, during the cardboard transmission process, the electric push rod 50 is started, the driving shaft of the power push rod extends through the inner side of the support frame 5 and is connected to the U-shaped frame 51, the power push rod drives the U-shaped frame 51 to descend and drives the servo motor 52 and the cutting blade 53 to descend, the cutting blade 53 descends and cuts the cardboard through cooperation with the cutting recess 21, and when the cardboard does not need to be cut, the electric push rod 50 can drive the U-shaped frame 51 to rise.

[0036] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0037] It should also be pointed out that the terms used in the present invention, such as “front”, “rear”, “vertical”, “horizontal”, etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A cardboard cutting device, comprising a frame (1), characterized in that: Two conveying rollers (10) are correspondingly arranged at the front and rear ends of the inner side of the frame (1); a conveying belt (11) is wound around the two conveying rollers (10); a limiting mechanism for positioning the cardboard material conveyed on the conveying belt (11) is also arranged on the inner side of the frame (1); and a cutting mechanism for cutting the cardboard is also arranged in the middle of the frame (1).

2. The cardboard cutting device according to claim 1, characterized in that: A plurality of support rods (2) are arranged equidistantly and at intervals on the inner side of the frame (1) between two conveying rollers (10); the number of the conveying belts (11) is two and they are arranged at intervals; each of the support rods (2) is provided with a guiding recess (20) at a position corresponding to the two conveying belts (11); and the support rods (2) are provided with a cutting recess (21) at a position corresponding to the cutting mechanism.

3. The cardboard cutting device according to claim 1, characterized in that: The limiting mechanism comprises two positioning substrates (3) which are correspondingly and slidably arranged in the frame (1); a plurality of limiting plates (30) are arranged equidistantly and at intervals on the top of the positioning substrate (3); and the top of each limiting plate (30) is inclined toward the side of the other positioning substrate (3).

4. The cardboard cutting device according to claim 3, characterized in that: An auxiliary roller (31) is rotatably arranged at the middle of each of the limiting plates (30).

5. The cardboard cutting device according to claim 3, characterized in that: A plurality of positioning slide bars (4) are fixedly arranged on the inner side of the frame body (1), and the positioning base plate (3) is slidably matched with each positioning slide bar (4). An adjusting screw rod (40) is rotatably arranged in the middle of the inner side of the frame body (1). The part of the adjusting screw rod (40) located on the inner side of the frame body (1) has two threaded sections (41) with opposite rotation directions. The middle parts of the two positioning base plates (3) are each provided with a screw nut (42) respectively adapted to the two threaded sections (41). One end of the adjusting screw rod (40) extends through the frame body (1) and is connected to a rotating disk (43).

6. The cardboard cutting device according to claim 1, characterized in that: The cutting mechanism comprises a support frame (5) fixedly arranged above the frame body (1), an electric push rod (50) fixedly arranged on the top of the support frame (5), and an output shaft of the electric push rod (50) passes through the support frame (5) and is connected to a cutting unit.

7. The cardboard cutting device according to claim 6, characterized in that: The cutting unit comprises a U-shaped frame (51) drivingly connected to the output shaft of the electric push rod (50), a servo motor (52) being fixedly mounted inside the U-shaped frame (51), and a cutting blade (53) being connected to the output shaft of the servo motor (52), wherein the cutting blade (53) corresponds to the position of the cutting recess (21).

Images