Printed matter cutting device

Abstract

The utility model provides a presswork cutting device in the technical field of paper cutting machines, which comprises a mounting frame, a paper pressing mechanism, a paper pushing mechanism and a cutting mechanism are arranged in the mounting frame, the presswork cutting device further comprises a paper rotating mechanism, the paper rotating mechanism comprises a rotating disc, a grooved wheel, a driving drive plate, a jacking rod, a drive plate motor and a central pressing rod, and the top of the grooved wheel is in shaft connection with the bottom of the rotating disc. Four radial grooves which are annularly arranged at equal intervals are formed in the side wall of the grooved wheel, four concave locking arcs which are annularly arranged at equal intervals are further arranged on the side wall of the grooved wheel, and the radial grooves and the concave locking arcs are distributed at intervals; a convex locking arc is arranged on one side of the side wall of the driving dial; a cylindrical pin is arranged on one side, far away from the convex locking arc, of the driving dial; one end of the jacking rod is fixedly connected with the bottom of the grooved wheel, one end of the center pressing rod is fixedly connected with the top of the mounting frame, the other end of the center pressing rod is located over the rotating disc and coincides with the circle center of the rotating disc, and the problem that the state and the position of printed matter are manually and repeatedly adjusted is solved through the lifting and rotating functions of the paper rotating mechanism, and operation is tedious is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paper cutter, specifically is a printed matter cutting device. BACKGROUND

[0002] The paper cutter is widely used in the pre-printing and post-printing cutting equipment of printing enterprises, is used for the processing of various paper printed matter, mainly comprises mounting frame, paper pressing mechanism, paper pushing mechanism and cutting mechanism, and the structure is relatively complex.

[0003] The traditional paper cutter needs manual adjustment of the placement position of the printed matter before each cutting, not only there is danger in the placement process, but also the process of placing the printed matter edge in alignment is very tedious, such as the paper cutter structure for improving the paper cutting efficiency of the paper cutter disclosed in Chinese patent publication No. SUMMARY

[0004] The utility model wants to solve the technical problem of how to simplify the position adjustment before the printed matter cutting, and the purpose of the utility model is to provide a printed matter cutting device which can automatically adjust the direction and position of the printed matter before cutting.

[0005] The utility model provides a technical scheme adopted is: a printed matter cutting device, including the mounting bracket, be equipped with the paper pressing mechanism, paper pushing mechanism and cutting mechanism in the mounting bracket, still include the paper turning mechanism, the paper turning mechanism includes the rotating disc, the grooved wheel, the initiative dial, the jacking rod, the dial motor and the center pressure rod, the top of grooved wheel and the bottom axle connection of rotating disc, be equipped with four equal interval annular arrangement radial slot on the lateral wall of grooved wheel, still be equipped with four equal interval annular arrangement concave lock arc, radial slot and concave lock arc are alternately distributed, the initiative dial lateral wall one side is equipped with a convex lock arc, the initiative dial is equipped with the cylindrical pin away from convex lock arc one side, the diameter of cylindrical pin is not more than the width of radial slot, the jacking rod one end with the bottom fixed connection of grooved wheel, the center pressure rod one end with the top fixed connection of mounting bracket, the other end is located the positive above of rotating disc and with the center of rotating disc coincides.

[0006] The printed matter cutting device provided by the utility model can obtain the following beneficial effects:

[0007] (1) before cutting, the printed matter is lifted by the rotating disc, and the rotating disc on which the printed matter is placed is driven to rotate 90° by the intermittent mechanism composed of the grooved wheel and the initiative dial, different length-width printed matters can be cut by the paper pushing mechanism, manual removal of the printed matter, direction turning, alignment of the printed matter edge and re-placing under the cutting mechanism are not needed, the cutting process is greatly simplified, the problems of traditional paper cutter, such as multiple adjustment of workers, easy scattering of the printed matter edge and complicated operation are solved.

[0008] (2) when the rotating disc is lifted, the center pressure rod applies a certain pressure to the top of the printed matter to clamp the printed matter between the rotating disc and the center pressure rod, the printed matter is prevented from scattering during the rotation of the rotating disc, the edge of the printed matter is kept flush, the edge of the printed matter does not need to be aligned again, the cut printed matter keeps corresponding straightness and perpendicularity, and the appearance is beautiful.

[0009] (3) by setting four concave lock arcs and four radial slots on the grooved wheel, the initiative dial rotates 90° for each rotation of the grooved wheel, which corresponds to the angle of rotation of the quadrilateral printed matter before each cutting, the intermittent mechanism composed of the grooved wheel and the dial cuts the printed matter during periodic stoppage, the position of the printed matter is prevented from being repeatedly placed before each cutting, the danger in the placing process is prevented, the structure is simple, and the use is convenient.

[0010] Preferably, the radius of the concave lock arc is the same as that of the convex lock arc; a workbench is horizontally arranged on the mounting bracket, a first cutting strip is arranged on the workbench, four second cutting strips are annularly arranged on the top of the rotating disc, and one of the second cutting strips is collinear with the first cutting strip when the convex lock arc on the initiative dial coincides with any one of the concave lock arcs on the grooved wheel.

[0011] By making the radius of the concave locking arc on the groove wheel the same as the radius of the convex locking arc on the driving dial, whenever the cylindrical pin on the driving dial drives the radial groove to rotate so that the concave locking arc and the convex locking arc are in contact, the position of the groove wheel is fixed by the concave locking arc and the convex locking arc, preventing the groove wheel from rotating, thereby preventing the rotating disc from rotating, aligning the second cutter bar on the rotating disc with the first cutter bar on the workbench, and the four concave locking arcs can fix the rotating disc four times, corresponding to the four edges of the printed matter to be cut, facilitating cutting and preventing damage to the cutting mechanism.

[0012] As a preferred, the power output shaft of the dial motor is connected with the central shaft of the driving dial.

[0013] The dial motor provides power for the rotation of the driving dial, facilitating the rotation of the groove wheel and the rotating disc by the driving dial.

[0014] As a preferred, the telescopic length of the jacking rod is less than the thickness of the groove wheel.

[0015] By making the telescopic length of the jacking rod less than the thickness of the groove wheel, the concave locking arc on the groove wheel can still be in contact with the convex locking arc on the driving dial when the groove wheel and the rotating disc are lifted by the jacking rod, so that the rotating disc can still be driven to rotate by the driving dial, preventing the driving dial from disengaging from the groove wheel.

[0016] As a preferred, the paper pressing mechanism comprises a paper pressing plate, a guide slot, a pull rod, a paper pressing lever, a jacking block and a jacking cylinder, the paper pressing plate is arranged on the side of the first cutter bar close to the rotating disc, and the edge of the first cutter bar is close to the paper pressing plate, the mounting frame at both ends of the first cutter bar is provided with a paper pressing plate guide plate, and the both ends of the paper pressing plate are provided with a guide slot, which is in sliding connection with the paper pressing plate guide plate.

[0017] By pressing the printed matter during cutting, the printed matter is fixed, preventing the printed matter from being displaced or deformed during cutting, which may cause the cutting edge to be curved or wavy, affecting the cutting quality.

[0018] As a preferred, the both ends of the paper pressing plate are hinged with a pull rod, the other end of the pull rod is hinged with a paper pressing lever, the middle part of the two paper pressing levers is in rotational connection with the mounting frame, the ends of the two paper pressing levers away from the pull rod are close to each other and in sliding connection with the both ends of the jacking block, and the bottom of the jacking block is in fixed connection with the telescopic end of the jacking cylinder.

[0019] When the telescopic end of the jacking cylinder is extended, it pushes the two paper pressing levers to rotate, the paper pressing levers pull the pull rods to move downward, and the two pull rods drive the paper pressing plate to move downward, facilitating the downward movement of the paper pressing rod to press the printed matter.

[0020] As preferred, two sides of the end of the workbench away from the first pad knife strip are provided with square rails, and a paper pushing mechanism is also provided, the paper pushing mechanism comprises a paper pushing plate, square rail sliders and a paper pushing cylinder, the square rail sliders are provided with two and are respectively slidably connected with the two square rails on the workbench, the two square rail sliders are fixedly connected with two ends of the paper pushing plate, the paper pushing plate is perpendicular to the workbench, one side of the paper pushing plate away from the rotating disc is provided with the paper pushing cylinder, and the other end of the paper pushing cylinder is fixedly connected with the mounting frame.

[0021] The paper pushing plate is limited by the square rails, so that the paper pushing plate can only slide leftward and rightward along the square rails, when the printed matter is cut on one side, is driven to rotate 90° by the rotating disc and falls back to the workbench, the printed matter is pushed out by the paper pushing plate and is retreated to the width after the next cutting, the printed matter is pushed to be attached to the paper pushing plate before the next cutting, and the printed matter can be directly cut to the required width.

[0022] As preferred, the cutting mechanism comprises a cutting knife, a knife body connecting rod, a knife body rotating rod and a speed reducer, the cutting knife is located above the first pad knife strip and the cutting edge of the cutting knife faces the first pad knife strip, the side wall of the cutting knife is provided with two inclined sliding grooves, two knife rack eccentric shafts are fixedly arranged on the mounting frame, and the other ends of the two knife rack eccentric shafts are arranged in the two inclined sliding grooves and are slidably connected with the inclined sliding grooves.

[0023] The cutting knife is limited by the knife rack eccentric shafts on the mounting frame, so that the cutting knife can cut when sliding obliquely downward along the inclined sliding grooves, and the cutting knife is lifted when sliding obliquely upward along the inclined sliding grooves, thereby facilitating the lifting and rotating direction of the printed matter.

[0024] As preferred, one end of the cutting knife is hingedly connected with the knife body connecting rod, the speed reducer is fixedly connected with the mounting frame, a power output shaft of the speed reducer is fixedly connected with one end of the knife body transmission rod, and the other end of the knife body transmission rod is hingedly connected with the knife body connecting rod.

[0025] The knife body transmission rod is driven to rotate by the speed reducer, the knife body connecting rod is pulled by the knife body transmission rod, and the cutting knife is moved obliquely downward by the pulling of the knife body connecting rod, so that the cutting knife is used for cutting through displacement.

[0026] As preferred, two sides of the end of the workbench away from the paper pushing cylinder are provided with limiting plates, the distance between the two limiting plates is not greater than the length of the first pad knife strip, photoelectric proximity sensors are arranged on the two limiting plates, and the two photoelectric proximity sensors are oppositely arranged.

[0027] By limiting the printing is placed on the workbench surface is convenient for guiding, and two photoelectric proximity sensors are conveniently installed and fixed, the space between the two limiting plates is in real time sensed through the two oppositely arranged photoelectric proximity sensors, when an object is shielded between the two photoelectric proximity sensors, the light beam is blocked to generate an electric signal, the power supply of the speed reducer is cut off, the cutting knife is prevented from falling down accidentally, and danger is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0029] Figure 1 It is the front view direction's three-dimensional structure schematic diagram of the utility model;

[0030] Figure 2 It is the back direction's three-dimensional structure schematic diagram of the utility model Figure 1 ;

[0031] Figure 3 It is the back direction's three-dimensional structure schematic diagram of the utility model Figure 2 ;

[0032] Figure 4 It is the section view of the utility model;

[0033] Figure 5 It is the connecting structure schematic diagram of the turntable, the grooved wheel and the driving dial in the utility model Figure 1 ;

[0034] Figure 6 It is the connecting structure schematic diagram of the turntable, the grooved wheel and the driving dial in the utility model Figure 2 ;

[0035] Figure 7 It is the position relation schematic diagram of the paper pressing mechanism, the cutting mechanism and the paper turning mechanism in the utility model;

[0036] Figure 8 It is the three-dimensional structure schematic diagram when the turntable of the utility model is lifted;

[0037] Figure 9 It is the three-dimensional structure schematic diagram of the paper turning mechanism when the turntable of the utility model is lifted.

[0038] Reference signs: 1-mounting frame, 11-pressing plate guide plate, 12-workbench surface, 121-first pad knife strip, 122-square rail, 123-limiting plate, 124-photoelectric proximity sensor, 13-knife holder eccentric shaft, 2-pressing mechanism, 21-pressing plate, 22-guide groove, 23-pull rod, 24-pressing lever, 25-jacking block, 26-jacking cylinder, 3-pushing mechanism, 31-pushing plate, 311-square rail slider, 32-pushing cylinder, 4-cutting mechanism, 41-cutting knife, 411-inclined sliding groove, 42-knife body connecting rod, 43-knife body transmission rod, 44-reduction motor, 5-turning mechanism, 51-turning disc, 511-second pad knife strip, 52-grooved wheel, 521-radial groove, 522-concave locking arc, 53-driving dial, 531-convex locking arc, 532-cylindrical pin, 54-jacking rod, 55-dial motor, 56-center pressing rod. DETAILED DESCRIPTION

[0039] The technical solutions of the present application will be described below with reference to the accompanying drawings Figures 1-9 The technical solutions of the present application will be described below with reference to the accompanying drawings

[0040] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be direct connection, or indirect connection through intermediate medium, it can be internal communication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Example 1

[0042] The following will be further illustrated by combining with specific embodiments, referring to Figures 1-9As shown, the embodiment is a printed matter cutting device, which comprises a mounting frame 1, the mounting frame 1 is provided with a paper pressing mechanism 2, a paper pushing mechanism 3 and a cutting mechanism 4, and further comprises a paper turning mechanism 5, the paper turning mechanism 5 comprises a rotating disc 51, a groove wheel 52, a driving dial 53, a jacking rod 54, a dial motor 55 and a center pressing rod 56, the top of the groove wheel 52 is connected with the bottom of the rotating disc 51, the sidewall of the groove wheel 52 is provided with four equidistantly arranged radial grooves 521 and four equidistantly arranged concave locking arcs 522, the radial grooves 521 and the concave locking arcs 522 are alternately distributed on the sidewall of the groove wheel; one convex locking arc 531 is arranged on one side of the sidewall of the driving dial 53, a cylindrical pin 532 is arranged on the side of the driving dial 53 away from the convex locking arc 531, the diameter of the cylindrical pin 532 is not greater than the width of the radial groove 521; one end of the jacking rod 54 is fixedly connected with the bottom of the groove wheel 52, one end of the center pressing rod 56 is fixedly connected with the top of the mounting frame 1, and the other end is located directly above the rotating disc 51 and coincides with the center of the rotating disc 51, the printed matter is lifted and rotated by 90° before cutting and then falls back, and the printed matter is kept aligned in edge during lifting and rotating by the center pressing rod 56, so that manual repeated adjustment is not needed, the cutting process is simplified, the position of the printed matter is avoided from being repeatedly placed before each cutting, the danger in the placing process is prevented, the structure is simple, and the use is convenient.

[0043] Referring to Figure 6 As shown, in the embodiment, the radius of the concave locking arc 522 is the same as the radius of the convex locking arc 531; the mounting frame 1 is provided with a workbench 12 arranged horizontally, the workbench 12 is provided with a first pad knife strip 121, the top of the rotating disc 51 is provided with four second pad knife strips 511 arranged in a ring shape, when the convex locking arc 531 on the driving dial 53 coincides with any one of the concave locking arcs 522 on the groove wheel 52, one of the plurality of second pad knife strips 511 is collinear with the first pad knife strip 121, by making the radius of the concave locking arc 522 on the groove wheel 52 the same as the radius of the convex locking arc 531 on the driving dial 53, whenever the cylindrical pin 532 on the driving dial 53 drives the radial groove 521 to rotate to make the concave locking arc 522 close to the convex locking arc 531, the position of the groove wheel 52 is fixed by the concave locking arc 522 and the convex locking arc 531, so that the groove wheel 52 is prevented from rotating, the rotating disc 51 is prevented from rotating, the second pad knife strip 511 on the rotating disc 51 is aligned with the first pad knife strip 121 on the workbench 12, the four concave locking arcs 522 can fix the rotating disc 51 four times, corresponding to the four edges of the printed matter to be cut, so that the cutting is facilitated and the cutting mechanism 4 is prevented from being damaged.

[0044] Referring to Figure 6As shown in the embodiment, the power output shaft of the dial motor 55 is connected with the center shaft of the driving dial 53, and the dial motor 55 provides power for the rotation of the driving dial 53, so that the driving dial 53 drives the Geneva wheel 52 and the rotating disc 51 to rotate.

[0045] In the embodiment, the telescopic length of the jacking rod 54 is less than the thickness of the Geneva wheel 52, so that the concave locking arc 522 on the Geneva wheel 52 can still be attached to the convex locking arc 531 on the driving dial 53 when the Geneva wheel 52 and the rotating disc 51 are lifted by the jacking rod 54, and the rotating disc 51 can still be driven to rotate by the driving dial 53, preventing the driving dial 53 from being separated from the Geneva wheel 52.

[0046] Referring to Figure 7 As shown in the embodiment, the paper pressing mechanism 2 includes a paper pressing plate 21, a guide groove 22, a pull rod 23, a paper pressing lever 24, a jacking block 25, and a jacking cylinder 26. The paper pressing plate 21 is arranged on the side of the first pad blade 121 close to the rotating disc 51 and is close to the edge of the first pad blade 121. The mounting frame 1 at both ends of the first pad blade 121 is provided with a paper pressing plate guide plate 11. Both ends of the paper pressing plate 21 are provided with the guide groove 22, which is in sliding connection with the paper pressing plate guide plate 11. The paper pressing plate 21 presses the printed matter during cutting to fix the printed matter, preventing the printed matter from being displaced or deformed during cutting to cause the cutting edge to be curved or wavy and affect the cutting quality.

[0047] Referring to Figure 7 As shown in the embodiment, the pull rod 23 is hinged below both ends of the paper pressing plate 21. The other end of the pull rod 23 is hinged with the paper pressing lever 24. The middle part of the two paper pressing levers 24 is in rotational connection with the mounting frame 1. The ends of the two paper pressing levers 24 away from the pull rod 23 are close to each other and in sliding connection with both ends of the jacking block 25. The bottom of the jacking block 25 is fixedly connected with the telescopic end of the jacking cylinder 26. When the telescopic end of the jacking cylinder 26 is extended, the two paper pressing levers 24 are pushed to rotate. The paper pressing lever 24 pulls the pull rod 23 to move downward. The two pull rods 23 drive the paper pressing plate 21 to move downward, so that the paper pressing rod moves downward to press the printed matter.

[0048] Referring to Figure 8As shown, in the embodiment, the workbench 12 is provided with square rails 122 on both sides of the end away from the first pad knife strip 121, and a paper pushing mechanism 3 is also provided, which comprises a paper pushing plate 31, square rail sliders 311 and a paper pushing cylinder 32. The square rail sliders 311 are provided with two and are respectively in sliding connection with the two square rails 122 on the workbench 12, the two square rail sliders 311 are fixedly connected with the two ends of the paper pushing plate 31, the paper pushing plate 31 is perpendicular to the workbench 12, one side of the paper pushing plate 31 away from the rotating disc 51 is provided with the paper pushing cylinder 32, and the other end of the paper pushing cylinder 32 is fixedly connected with the mounting frame 1. The paper pushing plate 31 in the paper pushing mechanism 3 is limited by the square rails 122, so that the paper pushing plate 31 can only slide left and right along the square rails 122. When the printed matter is cut on one side and is driven to rotate 90° by the rotating disc 51 and then falls back to the workbench 12, the printed matter is pushed out by the paper pushing plate 31 and then is retreated to the width set after the next cutting along the square rails 122. The printed matter is pushed to be close to the paper pushing plate 31 before the next cutting, and the printed matter can be directly cut to the required width during the next cutting.

[0049] Referring to Figure 4 and Figure 7 As shown, in the embodiment, the cutting mechanism 4 comprises a cutting knife 41, a knife body connecting rod 42, a knife body transmission rod 43 and a speed reducer 44. The cutting knife 41 is located above the first pad knife strip 121 and the cutting edge thereof faces the first pad knife strip 121. The side wall of the cutting knife 41 is provided with two inclined sliding grooves 411. Two knife rack eccentric shafts 13 are fixedly arranged on the mounting frame 1, and the other ends of the two knife rack eccentric shafts 13 are arranged in the two inclined sliding grooves 411 and are in sliding connection with the inclined sliding grooves 411. The cutting knife 41 is limited by the knife rack eccentric shafts 13 on the mounting frame 1, so that the cutting knife 41 can cut when sliding obliquely downward along the inclined sliding grooves 411, and the cutting knife 41 is lifted when sliding obliquely upward along the inclined sliding grooves 411, thereby facilitating the lifting and rotating direction of the printed matter.

[0050] Referring to Figure 7 As shown, in the embodiment, one end of the cutting knife 41 is hinged with the knife body connecting rod 42. The speed reducer 44 is fixedly connected with the mounting frame 1. The power output shaft of the speed reducer 44 is fixedly connected with one end of the knife body transmission rod 43. The other end of the knife body transmission rod 43 is hinged with the knife body connecting rod 42. The knife body transmission rod 43 is driven to rotate by the speed reducer 44. The knife body connecting rod 42 is pulled by the knife body transmission rod 43. The cutting knife 41 is pulled to move obliquely downward by the knife body connecting rod 42, so that the cutting is performed by the displacement of the cutting knife 41.

[0051] Referring to Figure 1As shown, in the embodiment, the workbench 12 is provided with a limiting plate 123 on both sides away from one end of the paper pushing cylinder 32, the length between the two limiting plates 123 is not greater than that of the first pad knife strip 121, and the two limiting plates 123 are both provided with a photoelectric proximity sensor 124, the two photoelectric proximity sensors 124 are oppositely arranged, the limiting plate facilitates guiding the printed matter to be placed on the workbench 12, and facilitates installing and fixing the two photoelectric proximity sensors 124, the space between the two limiting plates 123 is sensed in real time through the two oppositely arranged photoelectric proximity sensors 124, when an object is blocked between the two photoelectric proximity sensors 124, the light beam is blocked to generate an electric signal, the power supply of the speed reducer is cut off, the cutting knife 41 is prevented from falling down accidentally, and danger is avoided.

[0052] Embodiment 2

[0053] When the utility model is used, the printed matter in a stack is placed on the rotating disc 51 from the position between the two limiting plates 123 on the workbench 12 after the edges are aligned, when the printed matter or the operator's hand is between the two photoelectric proximity sensors 124, the photoelectric proximity sensor 124 generates an electric signal to cut off the power supply of the speed reducer 44, the cutting knife 41 in the cutting mechanism 4 is prevented from falling down suddenly, and danger is avoided; when cutting, the jacking cylinder 26 is stretched to drive the paper pressing lever 24 to rotate, the paper pressing lever 24 drives the paper pressing plate 21 to displace downward along the paper pressing plate guide plate 11, the printed matter to be cut is fixed, then the speed reducer 44 is started through the double-hand button, the speed reducer 44 drives the knife body transmission rod 43 to rotate, the knife body transmission rod 43 and the knife body connecting rod 42 form a connecting rod mechanism, the knife body connecting rod 42 is pulled to move downward, thereby pulling the cutting knife 41 to move obliquely downward along the inclined sliding groove 411 on the side wall of the cutting knife 41, and one side edge of the printed matter is cut;

[0054] When the remaining edges need to be cut, the cutter body and the paper pressing plate 21 move away from the upper surface of the printed matter, the paper pushing plate 31 moves away from the side of the rotating disc 51, then the rotating disc 51 moves upward under the action of the jacking rod 54, the printed matter to be cut is lifted, the central pressing rod 56 moves downward and abuts against the upper surface of the printed matter, the printed matter is clamped and reinforced by the jacking rod 54 and the central pressing rod 56, displacement or misalignment of the printed matter is prevented, the driving dial 53 rotates under the action of the dial motor 55, the cylindrical pin 532 on the driving dial 53 rotates into the radial groove 521 and then continues to rotate to drive the groove wheel 52 to rotate, when the cylindrical pin 532 is separated from the radial groove 521, the convex locking arc 531 on the driving dial 53 and the concave locking arc 522 on the groove wheel 52 overlap and are close to each other, the four radially arranged radial grooves 521 make the groove wheel 52 rotate by 90 degrees each time, when the convex locking arc 531 and the concave locking arc 522 are close to each other, the groove wheel 52 stops rotating, then the jacking rod 54 retracts to drive the printed matter to fall back onto the workbench surface 12, then the paper pushing plate 31 moves 90 degrees under the action of the paper pushing cylinder 32, and then pushes the printed matter to the direction of the limiting plate 123, and then moves to the direction away from the printed matter along the square rail 122 to the width set after the next cutting, then the operator pushes the printed matter to the direction of the paper pushing plate 31 by using a tool, so that the printed matter is reattached to the paper pushing plate 31, the paper pressing plate 21 and the cutting knife 41 fall in sequence to continue the next cutting, after the cutting, the rotating disc 51 is lifted downward again under the action of the jacking rod 54, and rotates 90 degrees under the action of the dial motor 55, the driving dial 53 and the groove wheel 52, and then falls back to be flush with the workbench surface 12, the paper pushing plate 31 moves again, and the operator pushes the printed matter to be attached to the paper pushing plate 31, so that the four edges of the printed matter are cut off after the four times of repetition.

[0055] The directions mentioned in the utility model, for example, "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated 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 relative importance.

[0056] The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings. The specific connection of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical, parts and equipment adopt the conventional type in the prior art. The control mode is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the art. And the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0057] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A printed matter cutting apparatus comprising a mounting frame (1) in which a paper pressing mechanism (2), a paper pushing mechanism (3) and a cutting mechanism (4) are provided, characterized in that, Also include a paper turning mechanism (5), the paper turning mechanism (5) includes a turntable (51), a groove wheel (52), a driving dial (53), a lifting rod (54), a dial motor (55) and a center pressure rod (56), the top of the groove wheel (52) and the bottom of the turntable (51) shaft connection, the sidewall of the groove wheel (52) is equipped with four equidistant annular arrangement radial slot (521), also equipped with four equidistant annular arrangement concave lock arc (522), radial slot (521) and concave lock arc (522) are alternately distributed;The side wall of the driving dial (53) is equipped with a convex lock arc (531), the side of the driving dial (53) away from the convex lock arc (531) is equipped with a cylindrical pin (532), the diameter of the cylindrical pin (532) is not greater than the width of the radial slot (521);The one end of the lifting rod (54) is fixedly connected with the bottom of the groove wheel (52), the one end of the center pressure rod (56) is fixedly connected with the top of the mounting frame (1), and the other end is located directly above the turntable (51) and coincides with the center of the turntable (51).

2. The printed product cutting apparatus according to claim 1, characterized by: The radius of the concave lock arc (522) is the same as the radius of the convex lock arc (531);The mounting frame (1) is provided with a workbench (12) arranged horizontally, and a first pad strip (121) is arranged on the workbench (12), and the top of the turntable (51) is provided with four second pad strips (511) arranged in a ring, when the convex lock arc (531) on the driving dial (53) coincides with any one of the concave lock arcs (522) on the groove wheel (52), one of the plurality of second pad strips (511) is collinear with the first pad strip (121).

3. The printed product cutting apparatus according to claim 2, characterized by: The power output shaft of the dial motor (55) is connected with the center shaft of the driving dial (53).

4. The printed product cutting apparatus according to claim 3, characterized by: The telescopic length of the lifting rod (54) is less than the thickness of the groove wheel (52).

5. The printed product cutting apparatus according to claim 2, characterized by: The paper pressing mechanism (2) comprises a paper pressing plate (21), a guide groove (22), a pull rod (23), a paper pressing lever (24), a lifting block (25) and a lifting cylinder (26), the paper pressing plate (21) is arranged on the side of the first pad strip (121) close to the turntable (51), and the edge of the first pad strip (121) is close to each other, the mounting frame (1) is provided with a paper pressing plate guide plate (11) on both ends of the first pad strip (121), and the both ends of the paper pressing plate (21) are provided with guide grooves (22), and the guide grooves (22) are slidably connected with the paper pressing plate guide plates (11).

6. The printed product cutting apparatus of claim 5, wherein: The lower part of the both ends of the paper pressing plate (21) is hinged with a pull rod (23), the other end of the pull rod (23) is hinged with a paper pressing lever (24), the middle part of the two paper pressing levers (24) is rotatably connected with the mounting frame (1), the ends of the two paper pressing levers (24) away from the pull rod (23) are close to each other and slidably connected with the both ends of the lifting block (25), and the bottom of the lifting block (25) is fixedly connected with the telescopic end of the lifting cylinder (26).

7. The printed product cutting apparatus of claim 2, wherein: Two sides of an end of the workbench top (12) away from the first pad knife strip (121) are provided with square rails (122), and a paper pushing mechanism (3) is further provided, the paper pushing mechanism (3) comprising a paper pushing plate (31), square rail sliders (311) and a paper pushing cylinder (32), the square rail sliders (311) being provided with two and being respectively in sliding connection with the two square rails (122) on the workbench top (12), the two square rail sliders (311) being fixedly connected with two ends of the paper pushing plate (31), the paper pushing plate (31) being perpendicular to the workbench top (12), one side of the paper pushing plate (31) away from the rotating disc (51) being provided with the paper pushing cylinder (32), the other end of the paper pushing cylinder (32) being fixedly connected with the mounting frame (1).

8. The printed product cutting apparatus of claim 2, wherein: The cutting mechanism (4) comprises a cutting knife (41), a knife body connecting rod (42), a knife body transmission rod (43) and a speed reduction motor (44), the cutting knife (41) being located above the first pad knife strip (121) and having a cutting edge facing the first pad knife strip (121), the side wall of the cutting knife (41) being provided with two inclined sliding grooves (411), two knife holder eccentric shafts (13) being fixed on the mounting frame (1), the other ends of the two knife holder eccentric shafts (13) being respectively arranged in the two inclined sliding grooves (411) and being in sliding connection with the inclined sliding grooves (411).

9. The printed product cutting apparatus of claim 8, wherein: One end of the cutting knife (41) is hinged with the knife body connecting rod (42), the speed reduction motor (44) is fixedly connected with the mounting frame (1), a power output shaft of the speed reduction motor (44) is fixedly connected with one end of the knife body transmission rod (43), and the other end of the knife body transmission rod (43) is hinged with the knife body connecting rod (42).

10. The printed product cutting apparatus of claim 7, wherein: Two sides of an end of the workbench top (12) away from the paper pushing cylinder (32) are provided with limiting plates (123), the distance between the two limiting plates (123) being not greater than the length of the first pad knife strip (121), and photoelectric proximity sensors (124) are mounted on the two limiting plates (123), the two photoelectric proximity sensors (124) being oppositely arranged.

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