A directional cutting device for offset paper

Abstract

The utility model discloses a device for directional cutting of offset paper, and relates to the technical field of offset paper. The utility model comprises a protective plate, and a mounting plate is fixedly connected to the side of the protective plate; a fixing device is arranged on the top of the protective plate, and the fixing device comprises a positioning plate, and the bottom of the positioning plate is fixedly connected to the top of the protective plate, and a three-phase asynchronous motor is fixedly connected to the side of the positioning plate, and a bidirectional reciprocating screw is fixedly connected to the output shaft of the three-phase asynchronous motor. The utility model cooperates with components such as a threaded sleeve, a rotating rod and a fixed block through the force of the three-phase asynchronous motor driving the bidirectional reciprocating screw to rotate, so as to achieve the effect of driving the pressing plate to move downward by the downward displacement of the fixed block, and achieve the effect of fixing the offset paper by the downward displacement of the pressing plate, which can ensure the stability of the offset paper during the cutting process, avoid movement or shaking during cutting, and ensure the cutting quality and safety.

Description

Technical Field

[0001] The utility model belongs to the technical field of offset paper, in particular to an offset paper directional cutting device. Background Art

[0002] Offset paper generally refers to offset paper, formerly known as dot-lin paper, which is mainly used for lithography (offset) printing presses or other printing presses to print higher-end color prints. It is suitable for printing monochrome or multi-color book covers, texts, inserts, pictorials, maps, posters, color trademarks and various packaging products.

[0003] According to a disclosed device for directional cutting of offset paper (publication number: CN217225721U), the device includes a device body, the lower end outer surface of the device body is provided with four supporting feet, and the front end inner wall of the device body is provided with a paper rolling cylinder, and the front end of the device body is placed with a debris mechanism. However, in the above device, it is difficult to achieve the effect of fixing the offset paper by the downward displacement of the pressure plate through the mutual cooperation of the device body, the paper rolling cylinder and the supporting feet, and it is difficult to ensure the stability of the offset paper during the cutting process, and it is difficult to avoid movement or shaking during cutting, and it is difficult to ensure the cutting quality and safety, which needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a double-sided offset paper directional cutting device, which realizes the downward displacement of the pressing plate by driving the downward displacement of the fixed block through the force of the two-way reciprocating screw driven by a three-phase asynchronous motor to rotate and cooperates with components such as a threaded sleeve, a rotating rod and a fixed block, thereby solving the existing problems.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0006] The utility model is a double-sided paper directional cutting device, comprising a protective plate, and a mounting plate is fixedly connected to the side of the protective plate;

[0007] A fixing device is provided on the top of the protective plate, and the fixing device includes a positioning plate, the bottom of the positioning plate is fixedly connected to the top of the protective plate, the side of the positioning plate is fixedly connected to a three-phase asynchronous motor, the output shaft of the three-phase asynchronous motor is fixedly connected to a bidirectional reciprocating screw, the circumferential surface of the bidirectional reciprocating screw is threadedly connected to a threaded sleeve, the side of the threaded sleeve is rotatably connected to a rotating rod, the end of the rotating rod away from the threaded sleeve is rotatably connected to a fixed block, and the bottom of the fixed block is fixedly connected to a pressure plate.

[0008] Furthermore, the number of the rotating rods is set to be several, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate. The number of the fixed blocks is set to two, and symmetrical with each other along the vertical center axis of the pressure plate, which can achieve precise positioning and fixation of the offset paper and ensure the accuracy and consistency of the cutting position.

[0009] Furthermore, the length of the pressing plate is consistent with the width of the protective plate, and the number of the positioning plates is set to be several, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate, which can ensure the stability of the offset paper during the cutting process, avoid movement or shaking during cutting, and ensure the cutting quality and safety.

[0010] Furthermore, a moving device is provided on the top of the protective plate, and the moving device includes a card slot, which is opened at the bottom of the protective plate, and the inner wall of the card slot is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is fixedly connected with a support column, the bottom of the support column is fixedly connected with a fixed plate, the side of the fixed plate is fixedly connected with a rotating shaft, and the circumferential surface of the rotating shaft is rotatably connected with a universal wheel, so that the device can be easily moved to a required position, which is convenient for adjustment and flexible use of the production line layout.

[0011] Furthermore, the number of the fixing plates is set to be several, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate, which increases the stability and working safety of the device and avoids shaking or instability during operation.

[0012] Furthermore, the diameter of the slot is larger than the diameter of the support column, and the diameter of the slot is larger than the diameter of the universal wheel, which reduces the manufacturing cost and also reduces the cost of device maintenance.

[0013] Furthermore, a motor is fixedly connected to the side of the mounting plate, an output shaft of the motor is fixedly connected to a reciprocating screw, a threaded block is threadedly connected to the circumferential surface of the reciprocating screw, a cutting knife is fixedly connected to the bottom of the threaded block, and a limit rod passes through the side of the threaded block, so that operators can easily perform inspections and repairs, thereby extending the service life of the device and reducing maintenance costs.

[0014] The utility model has the following beneficial effects:

[0015] 1. The utility model uses a three-phase asynchronous motor to drive a bidirectional reciprocating screw to rotate, and the force cooperates with components such as a threaded sleeve, a rotating rod and a fixed block to achieve the effect of driving the pressing plate to move downward through the downward displacement of the fixed block, and achieves the effect of fixing the double-sided paper through the downward displacement of the pressing plate, which can ensure the stability of the double-sided paper during the cutting process, avoid movement or shaking during cutting, and ensure the cutting quality and safety.

[0016] 2. The utility model uses the electric telescopic rod to drive the support column to move upward, which cooperates with the fixed plate, rotating shaft, universal wheel and other components in the mobile device, so that the universal wheel can be retracted into the inside of the card slot, and the protective plate can directly contact the ground, thereby increasing the stability of the device, simplifying the operation, reducing the manufacturing cost of the device, and making it easier to carry out daily maintenance.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0019] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0020] Figure 2 It is a three-dimensional side view structural schematic diagram of the positioning plate of the utility model;

[0021] Figure 3 It is a three-dimensional enlarged structural schematic diagram of the limit rod of the utility model;

[0022] Figure 4 It is a three-dimensional bottom-up structural schematic diagram of the card slot of the utility model;

[0023] Figure 5 It is a three-dimensional enlarged structural schematic diagram of the device of the utility model.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 101. Protective plate; 102. Mounting plate; 103. Motor; 104. Reciprocating screw; 105. Limit rod; 106. Thread block; 107. Cutting knife; 2. Fixing device; 201. Positioning plate; 202. Three-phase asynchronous motor; 203. Bidirectional reciprocating screw; 204. Threaded sleeve; 205. Rotating rod; 206. Fixed block; 207. Pressing plate; 3. Moving device; 301. Slot; 302. Electric telescopic rod; 303. Support column; 304. Fixing plate; 305. Rotating shaft; 306. Universal wheel. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1-5 The utility model is a double-sided paper directional cutting device, comprising a protective plate 101, and a mounting plate 102 is fixedly connected to the side of the protective plate 101;

[0028] A fixing device 2 is provided on the top of the protective plate 101, and the fixing device 2 includes a positioning plate 201, the bottom of the positioning plate 201 is fixedly connected to the top of the protective plate 101, the side of the positioning plate 201 is fixedly connected to a three-phase asynchronous motor 202, the output shaft of the three-phase asynchronous motor 202 is fixedly connected to a bidirectional reciprocating screw 203, the circumferential surface of the bidirectional reciprocating screw 203 is threadedly connected to a threaded sleeve 204, the side of the threaded sleeve 204 is rotatably connected to a rotating rod 205, the end of the rotating rod 205 away from the threaded sleeve 204 is rotatably connected to a fixed block 206, and the bottom of the fixed block 206 is fixedly connected to a pressure plate 207.

[0029] The number of rotating rods 205 is set to be several, two in a group, and symmetrical along the vertical center axis of the protective plate 101. The number of fixed blocks 206 is set to be two, and symmetrical along the vertical center axis of the pressure plate 207. This can achieve precise positioning and fixation of the offset paper and ensure the accuracy and consistency of the cutting position.

[0030] The length of the pressing plate 207 is consistent with the width of the protective plate 101. The number of positioning plates 201 is set to be several, two by two, and symmetrical with each other along the vertical center axis of the protective plate 101, which can ensure the stability of the double-sided paper during cutting, avoid movement or shaking during cutting, and ensure cutting quality and safety.

[0031] A moving device 3 is provided on the top of the protective plate 101, and the moving device 3 includes a card slot 301, and the card slot 301 is opened at the bottom of the protective plate 101, and the inner wall of the card slot 301 is fixedly connected with an electric telescopic rod 302, and the bottom of the electric telescopic rod 302 is fixedly connected with a support column 303, and the bottom of the support column 303 is fixedly connected with a fixed plate 304, and the side of the fixed plate 304 is fixedly connected with a rotating shaft 305, and the circumferential surface of the rotating shaft 305 is rotatably connected with a universal wheel 306, so that the device can be easily moved to the required position, which is convenient for the adjustment and flexible use of the production line layout.

[0032] The number of the fixing plates 304 is set to be several, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate 101, which increases the stability and working safety of the device and avoids shaking or instability during operation.

[0033] The diameter of the card slot 301 is larger than the diameter of the support column 303 , and the diameter of the card slot 301 is larger than the diameter of the universal wheel 306 , which reduces the manufacturing cost and also reduces the cost of device maintenance.

[0034] The side of the mounting plate 102 is fixedly connected to a motor 103, the output shaft of the motor 103 is fixedly connected to a reciprocating screw rod 104, the circumferential surface of the reciprocating screw rod 104 is threadedly connected to a threaded block 106, the bottom of the threaded block 106 is fixedly connected to a cutting knife 107, and the side of the threaded block 106 passes through a limit rod 105, so that operators can easily perform inspections and repairs, thereby extending the service life of the device and reducing maintenance costs.

[0035] A specific application of this embodiment is: the present application drives the two-way reciprocating screw 203 to rotate through the three-phase asynchronous motor 202, and then drives the two threaded sleeves 204 to move toward each other through the rotation of the two-way reciprocating screw 203, and drives the rotating rod 205 to rotate through the horizontal displacement of the threaded sleeve 204, and then drives the fixed block 206 to move downward through the rotation of the rotating rod 205, and drives the pressing plate 207 to move downward through the downward displacement of the fixed block 206, so as to achieve the effect of fixing the double-sided paper through the downward displacement of the pressing plate 207, and then drives the reciprocating screw 104 to rotate through the motor 103, drives the thread block 106 to move horizontally through the rotation of the reciprocating screw 104, and then drives the thread block 106 to move horizontally through the horizontal displacement of the thread block 106 The cutting knife 107 is driven to move in the horizontal direction, so as to realize the function of directional cutting of double-sided adhesive paper. When the device needs to be moved, the device is pushed to rotate the universal wheel 306 to move the device. When the device does not need to be moved, the electric telescopic rod 302 is started, and the electric telescopic rod 302 drives the support column 303 to move upward, and then the fixing plate 304 is driven upward by the upward displacement of the support column 303. The upward displacement of the fixing plate 304 drives the rotating shaft 305 and the universal wheel 306 to move upward, so that the universal wheel 306 is retracted into the interior of the card slot 301, and the protective plate 101 directly contacts the ground, which increases the stability of the device, is simple to operate, can reduce the manufacturing cost of the device, and is easier to carry out daily maintenance and maintenance.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A device for directional cutting of offset paper, comprising a protective plate (101), characterized in that: A mounting plate (102) is fixedly connected to the side of the protection plate (101); A fixing device (2) is provided at the top of the protective plate (101), and the fixing device (2) comprises a positioning plate (201), the bottom of the positioning plate (201) is fixedly connected to the top of the protective plate (101), the side of the positioning plate (201) is fixedly connected to a three-phase asynchronous motor (202), the output shaft of the three-phase asynchronous motor (202) is fixedly connected to a bidirectional reciprocating screw (203), the circumferential surface of the bidirectional reciprocating screw (203) is threadedly connected to a threaded sleeve (204), the side of the threaded sleeve (204) is rotatably connected to a rotating rod (205), the end of the rotating rod (205) away from the threaded sleeve (204) is rotatably connected to a fixing block (206), and the bottom of the fixing block (206) is fixedly connected to a pressing plate (207).

2. The offset paper directional cutting device according to claim 1, characterized in that: The number of the rotating rods (205) is set to be several, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate (101); the number of the fixing blocks (206) is set to be two, and symmetrical with each other along the vertical center axis of the pressure plate (207).

3. The offset paper directional cutting device according to claim 2, characterized in that: The length of the pressing plate (207) is consistent with the width of the protective plate (101), and the number of the positioning plates (201) is set to be a plurality, in groups of two, and symmetrical with each other along the vertical center axis of the protective plate (101).

4. The offset paper directional cutting device according to claim 3, characterized in that: A moving device (3) is arranged on the top of the protective plate (101), and the moving device (3) comprises a card slot (301), the card slot (301) is opened at the bottom of the protective plate (101), the inner wall of the card slot (301) is fixedly connected to an electric telescopic rod (302), the bottom of the electric telescopic rod (302) is fixedly connected to a support column (303), the bottom of the support column (303) is fixedly connected to a fixed plate (304), the side of the fixed plate (304) is fixedly connected to a rotating shaft (305), and the circumferential surface of the rotating shaft (305) is rotatably connected to a universal wheel (306).

5. The offset paper directional cutting device according to claim 4, characterized in that: The number of the fixing plates (304) is set to be a plurality, arranged in groups of two, and symmetrical with each other along the vertical center axis of the protection plate (101).

6. The offset paper directional cutting device according to claim 5, characterized in that: The diameter of the clamping slot (301) is greater than the diameter of the support column (303), and the diameter of the clamping slot (301) is greater than the diameter of the universal wheel (306).

7. The offset paper directional cutting device according to claim 6, characterized in that: A motor (103) is fixedly connected to the side of the mounting plate (102); the output shaft of the motor (103) is fixedly connected to a reciprocating screw rod (104); a threaded block (106) is threadedly connected to the circumferential surface of the reciprocating screw rod (104); a cutting knife (107) is fixedly connected to the bottom of the threaded block (106); and a limiting rod (105) passes through the side of the threaded block (106).

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