Paper cutting device for packaging box production

Abstract

The utility model belongs to the field of paper cutting devices, and particularly relates to a paper cutting device for packaging box production, which comprises a frame, a supporting roller is rotatably connected in the frame, a conveying belt is arranged on the outer side of the supporting roller, a motor is fixedly mounted at the front end of the frame, and a rotating shaft of the motor penetrates through the frame and is rotatably connected with the frame. A support is welded to the upper end of the frame, an air cylinder is fixedly installed in the middle of the upper end of the support, an air cylinder rod of the air cylinder penetrates through the support and is in sliding connection with the support, a cutting mechanism is arranged on the air cylinder rod of the air cylinder, and a conveying mechanism is arranged on the support. The pressure spring acts on the pressing block, so that when the pressing plate descends, the pressing block presses paper on the frame, the paper is pressed and limited, the paper is prevented from being torn due to cutting, and the cutting quality is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of paper cutting devices, in particular to a paper cutting device for packaging box production. Background Art

[0002] Patent authorization publication number CN208216113U discloses a cardboard cutting device for packaging box production, comprising a base plate and a blade. The base plate has a bottom plate fixedly connected to its lower surface, a blade holder fixedly connected to its upper surface, an adjustment mechanism fixedly connected to the side of the blade holder, and a surface of the blade movably connected to the inner wall of the adjustment mechanism. The adjustment mechanism includes a housing, the side of the housing fixedly connected to the side of the blade holder, and a slider movably connected to the top of the inner wall of the housing. The present utility model, through the coordinated use of the aforementioned structures, aims to provide a cardboard cutting device for packaging box production. This improves upon conventional devices, resolving the inconvenience of requiring repeated adjustments to the cutting height and cutting depth of the fixed base to achieve the desired effect due to the inconvenience of using the first and second adjustment assemblies in actual use. However, this device suffers from unstable paper transport during use, and the paper may tear due to the cutting force applied during cutting. Utility Model Content

[0003] The purpose of the utility model is to provide a paper cutting device for packaging box production, which solves the problem that the device is not stable in transmitting paper when in use, and at the same time, when the device cuts the paper, the paper may be torn by the cutting force.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paper cutting device for producing packaging boxes, comprising a frame, wherein the frame is rotatably connected to a support roller inside, a conveyor belt is provided on the outside of the support roller, a motor is fixedly installed at the front end of the frame, the rotating shaft of the motor passes through the frame and is rotatably connected to the frame, a bracket is welded to the upper end of the frame, a cylinder is fixedly installed in the middle of the upper end of the bracket, the cylinder rod of the cylinder passes through the bracket and is slidably connected to the bracket, a cutting mechanism is provided on the cylinder rod of the cylinder, and a transmission mechanism is provided on the bracket.

[0005] Preferably, the cutting mechanism includes a pressure plate, which is fixedly mounted at the lower end of the cylinder rod of the cylinder, and a cutter is fixedly mounted at the lower end of the pressure plate. A suspension rod is slidably connected to the interior of the pressure plate, and a pressure block is fixedly connected to the lower end of the suspension rod. The pressure block and the cutter are slidably connected, and a compression spring is provided on the outer side of the suspension rod. The compression spring acts on the pressure block, so that when the pressure plate descends, the pressure block presses the paper against the frame, thereby clamping and limiting the paper, preventing paper tearing during cutting, and ensuring cutting quality.

[0006] Preferably, one end of the compression spring is fixedly connected to the pressure plate, and the other end of the compression spring is fixedly connected to the pressure block. By arranging the compression spring, the pressure block is elastically pressed downward.

[0007] Preferably, the transmission mechanism includes a slide, the lower end of the bracket is fixedly connected to the slide, the interior of the slide is slidably connected to a slide rod, a spring is provided inside the slide, the lower end of the slide is fixedly connected to a hanging frame, the lower end of the hanging frame is fixedly connected to a support, the interior of the support is rotatably connected to a support wheel, the outer side of the support wheel is provided with a pressure belt, and the pressure belt is in contact with the conveyor belt. The spring acts on the slide, causing the slide to press the hanging frame downward, thereby allowing the pressure belt to elastically compress the paper for transmission, making the paper transmission more stable and preventing the paper from loosening during transmission.

[0008] Preferably, one end of the spring is fixedly connected to the slide cylinder, and the other end of the spring is fixedly connected to the slide rod. By arranging the spring, the hanging frame is elastically pressed downward.

[0009] Preferably, a sliding pin is fixedly connected to the edge of the slide bar, and the sliding pin is slidably connected to the slide cylinder. By arranging the sliding pin, the movement of the slide bar is guided.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. The utility model acts on the pressure block through the compression spring, so that when the pressure plate descends, the pressure block presses the paper against the frame, so that the paper is pressed and limited, avoiding the paper being torn due to cutting and ensuring the cutting quality.

[0012] 2. The utility model acts on the slide rod through the spring, so that the slide rod presses the hanging frame downward, and then the compression belt can elastically compress the paper for transmission, making the paper transmission more stable and avoiding loosening during paper transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 Bottom view of the bracket;

[0015] Figure 3 For this utility model Figure 2 3D drawing of hanging frame;

[0016] Figure 4 For this utility model Figure 3 Front cross-sectional view of the slide.

[0017] In the figure: 1. frame; 2. support roller; 3. conveyor belt; 4. motor; 5. bracket; 6. cylinder; 7. cutting mechanism; 8. transmission mechanism; 71. pressure plate; 72. cutter; 73. suspension rod; 74. pressure block; 75. compression spring; 81. slide; 82. slide rod; 83. spring; 84. slide pin; 85. suspension frame; 86. support; 87. support wheel; 88. pressure belt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 2 A paper cutting device for packaging box production includes a frame 1, a support roller 2 is rotatably connected to the inside of the frame 1, a conveyor belt 3 is provided on the outside of the support roller 2, a motor 4 is fixedly installed at the front end of the frame 1, the rotating shaft of the motor 4 passes through the frame 1 and is rotatably connected to the frame 1, a bracket 5 is welded to the upper end of the frame 1, a cylinder 6 is fixedly installed in the middle of the upper end of the bracket 5, the cylinder rod of the cylinder 6 passes through the bracket 5 and is slidably connected to the bracket 5, a cutting mechanism 7 is provided on the cylinder rod of the cylinder 6, and a transmission mechanism 8 is provided on the bracket 5.

[0020] See also Figure 1 、 Figure 3 When the locking cam 73 is in the unlocking state, the locking cam 73 is in the unlocking state, and the locking cam 73 is in the unlocking state, so that the locking cam 73 can be locked.

[0021] See also Figure 1 、 Figure 2 、 Figure 4The transmission mechanism 8 includes a slide 81. The lower end of the bracket 5 is fixedly connected to the slide 81. The interior of the slide 81 is slidably connected to the slide rod 82. A spring 83 is provided inside the slide 81. One end of the spring 83 is fixedly connected to the slide 81. The other end of the spring 83 is fixedly connected to the slide rod 82. By setting the spring 83, the hanging frame 85 is elastically pressed down. The edge of the slide rod 82 is fixedly connected to the slide pin 84. The slide pin 84 is slidably connected to the slide 81. By setting the slide pin 84, the slide rod 82 is The movable guide, the lower end of the slide bar 82 is fixedly connected to the hanging frame 85, the lower end of the hanging frame 85 is fixedly connected to the support 86, the internal rotation of the support 86 is connected to the support wheel 87, and a pressure belt 88 is provided on the outer side of the support wheel 87. The pressure belt 88 is in contact with the conveyor belt 3, and the spring 83 acts on the slide bar 82, so that the slide bar 82 presses the hanging frame 85 downward, and then the pressure belt 88 can elastically compress the paper for transmission, making the transmission of the paper more stable and avoiding loosening during paper transmission.

[0022] The specific implementation process of the present invention is as follows: when in use, place the paper on the conveyor belt 3 of the frame 1, then start the motor 4, the motor 4 drives the support roller 2 to rotate, and the support roller 2 drives the conveyor belt 3 to transport the paper. During the paper transportation process, the paper contacts the pressing belt 88, and the pressing belt 88 rises slightly at this time. During the paper movement process, the spring 83 acts on the slide bar 82, so that the slide bar 82 presses the hanging frame 85 downward, and then the pressing belt 88 can elastically press the paper for transportation, making the paper transportation more stable and avoiding the paper from being loose during transportation. When the paper moves to the cutting plate, the paper is pulled to the cutting plate. When in the cutting position, the motor 4 stops and the cylinder 6 is started. The cylinder 6 drives the cylinder rod to extend, and the cylinder rod drives the pressure plate 71 to move downward. The pressure plate 71 drives the pressure block 74 to move downward, so that the pressure block 74 contacts the paper. The pressure plate 71 continues to move downward, so that the compression spring 75 is compressed, so that the paper is pressed tightly on the frame 1. The downward movement of the pressure plate 71 drives the cutter 72 to move downward, so that the cutter 72 and the pressure block 74 slide relative to each other. The compression spring 75 acts on the pressure block 74, so that when the pressure plate 71 descends, the pressure block 74 presses the paper on the frame 1, so that the paper is pressed and limited, thereby avoiding paper tearing caused by cutting and ensuring cutting quality.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paper cutting device for producing packaging boxes, comprising a frame (1), characterized in that: The frame (1) is internally rotatably connected to a support roller (2), and a conveyor belt (3) is provided on the outside of the support roller (2). A motor (4) is fixedly installed at the front end of the frame (1), and a rotating shaft of the motor (4) passes through the frame (1) and is rotatably connected to the frame (1). A bracket (5) is welded to the upper end of the frame (1), and a cylinder (6) is fixedly installed at the middle of the upper end of the bracket (5). The cylinder rod of the cylinder (6) passes through the bracket (5) and is slidably connected to the bracket (5). A cutting mechanism (7) is provided on the cylinder rod of the cylinder (6), and a transmission mechanism (8) is provided on the bracket (5).

2. A paper cutting device for producing packaging boxes according to claim 1, characterized in that: The cutting mechanism (7) includes a pressing plate (71), a pressing plate (71) is fixedly mounted on the lower end of the cylinder rod of the cylinder (6), a cutter (72) is fixedly mounted on the lower end of the pressing plate (71), a suspension rod (73) is slidably connected inside the pressing plate (71), a pressing block (74) is fixedly connected to the lower end of the suspension rod (73), the pressing block (74) and the cutter (72) are slidably connected, and a compression spring (75) is provided on the outer side of the suspension rod (73).

3. A paper cutting device for packaging box production according to claim 2, characterized in that: One end of the compression spring (75) is fixedly connected to the pressure plate (71), and the other end of the compression spring (75) is fixedly connected to the pressure block (74).

4. The paper cutting device for packaging box production according to claim 1, characterized in that: The transmission mechanism (8) includes a slide (81), the lower end of the bracket (5) is fixedly connected to the slide (81), the interior of the slide (81) is slidably connected to a slide rod (82), the interior of the slide (81) is provided with a spring (83), the lower end of the slide rod (82) is fixedly connected to a hanging frame (85), the lower end of the hanging frame (85) is fixedly connected to a support (86), the interior of the support (86) is rotatably connected to a support wheel (87), the outer side of the support wheel (87) is provided with a compression belt (88), and the compression belt (88) is in contact with the conveyor belt (3).

5. The paper cutting device for producing packaging boxes according to claim 4, characterized in that: One end of the spring (83) is fixedly connected to the slide cylinder (81), and the other end of the spring (83) is fixedly connected to the slide rod (82).

6. The paper cutting device for producing packaging boxes according to claim 4, characterized in that: A sliding pin (84) is fixedly connected to the edge of the sliding rod (82), and the sliding pin (84) is slidably connected to the sliding cylinder (81).

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