Paper cutting and creasing equipment based on synchronous combination of convex wheel and concave wheel

Abstract

The utility model discloses paper cutting and creasing equipment based on synchronous combination of convex and concave wheels. The paper cutting and creasing equipment comprises a rack and a paper pressing system, the device is characterized in that a groove is formed in the center of the paper pressing system; the first synchronous belt enters the groove and is arranged below the paper; the first synchronous belt is provided with through holes; a first linear advancing part is arranged above the paper pressing system, and a second linear advancing part is arranged below the paper pressing system; the first linear advancing part is provided with a first creasing trolley, original single-face creasing conducted on packaging paper from the upper portion is changed into double-face creasing conducted on the paper through cooperation of a cam and a concave wheel, and the situation that in the creasing process of the packaging paper, when the cam for single-face creasing acts on the front face of the packaging paper in a rolling and extruding mode, the paper cannot be creased is avoided. Corresponding deformation cannot be formed due to the fact that the back face makes contact with the hard bearing platform, stress concentration fracture cannot happen to the packaging paper in the folding process, and micro cracks and even surface layer stripping of the back face of the packaging paper are prevented.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the packaging box indentation equipment technical field, specifically, it relates to a paper cutting indentation equipment based on convex concave wheel synchronous combination. BACKGROUND

[0002] In the packaging industry, in order to ensure the folding precision when making paper box, packaging box, need to pre-indentation processing to paper, improve the appearance of finished product.In addition, it can also be through indentation depth and angle control, enhance the load bearing capacity and stability of packaging box, and facilitate the automatic assembly line folding, adhesive molding, improve production efficiency.

[0003] The existing packaging box folding line indentation process generally adopts cam type single-sided indentation cutting technology, which forms a V-shaped indentation groove on the surface of paper by linear extrusion through a cam mechanism, that is, a cam is used to perform indentation processing on the printed surface of packaging paper, linear extrusion is performed on the surface of paper to form a V-shaped indentation groove, and folding of packaging paper is realized.

[0004] However, due to the inherent design defects of single-sided pressure, when the cam acts on the front surface of the paper in a rolling extrusion manner, the back surface cannot form corresponding deformation due to contact with the hard supporting platform, resulting in a single-sided concave asymmetric structure of the indentation section.This process defect directly causes stress concentration and fracture of paper fibers on the flat surface during folding, specifically, microcracks or even surface peeling occur on the back surface of the folding line, which seriously affects the structural integrity and appearance quality of the packaging product, and has certain limitations. UTILITY MODEL CONTENTS

[0005] To solve the technical problem that the back surface of the paper is prone to microcracks or surface peeling when single-sided indentation is performed on the packaging box paper in the prior art, the utility model provides a paper cutting indentation equipment based on convex concave wheel synchronous combination.

[0006] The purpose of the utility model can be realized through the following technical solutions:

[0007] The application discloses a paper cutting and marking device based on convex and concave wheel synchronous combination, which comprises a frame and a paper pressing system; the paper pressing system is installed in the frame and is used for driving the paper to move forward and backward; the paper pressing system is centrally provided with a groove; the device further comprises a first synchronous belt entering the groove, the first synchronous belt being below the paper; the first synchronous belt is further provided with a through hole; the paper pressing system is above a first linear movement part and below a second linear movement part, the first linear movement part and the second linear movement part have a common driving structure; the first linear movement part is provided with a first marking trolley, and the second linear movement part is provided with a second marking trolley; the second marking trolley is connected with the first synchronous belt through an adapter block; when the driving structure drives the first linear movement part and the second linear movement part to move, the first marking trolley, the second marking trolley and the first synchronous belt simultaneously move linearly in the same direction; the second marking trolley is provided with a concave wheel assembly, and the first marking trolley is provided with a concave wheel assembly which is coaxial with the through hole and can roll and contact the paper from above; the second marking trolley is provided with a convex wheel assembly which passes through the through hole and rolls and contacts the paper from below; the concave wheel assembly and the convex wheel assembly can rotate axially, and the linear movement of the first marking trolley, the second marking trolley and the first synchronous belt and the forward and backward movement of the paper driven by the frame can realize synchronous marking on both sides of the paper.

[0008] Further, the first marking trolley drives the concave wheel assembly to move in the height direction.

[0009] Further, when the concave wheel assembly and the convex wheel assembly mark the paper, the convex wheel assembly extends into the concave wheel assembly.

[0010] Further, the concave wheel assembly comprises a concave wheel seat connected with the first marking trolley, the concave wheel seat is provided with a wheel groove, and the wheel groove is provided with a concave wheel for rolling and contacting the paper.

[0011] Further, the paper pressing system comprises a pedestal arranged in the frame, a plurality of second rollers are arranged in the pedestal, a first roller parallel to each second roller is arranged above the second roller, a layer between the first roller and the second roller is used for placing the paper, the paper pressing system further comprises a driving part for driving all the second rollers to rotate axially, and a first roller fixing part is arranged at the end of the first roller, the first roller fixing part is provided with a paper pressing system control part, and the paper pressing system control part controls all the first rollers to move up and down relative to the pedestal.

[0012] Further, the first roller fixing part comprises a roller frame provided with a groove, a shaft sleeve fixing frame is arranged in the groove, a plurality of shaft sleeves for fixing the end of the first roller are arranged in the shaft sleeve fixing frame, the first roller fixing part further comprises a pressing rod arranged above the shaft sleeve and extending upwardly through the roller frame, and the part of the pressing rod in the groove is sleeved with a first spring, the first spring applies a downward pressure to the shaft sleeve fixing frame, so that the first roller presses the paper.

[0013] Further, the paper pressing system control part comprises a second handle installed at the shaft sleeve fixing frame, and a first handle installed at the roller shaft frame; the second handle is rotatable at the shaft sleeve fixing frame, the first handle is rotatable at the roller shaft frame, and the second handle is further hinged with the first handle, and when the first handle is turned upward, the shaft sleeve fixing frame moves upward relative to the roller shaft frame.

[0014] Further, the first indentation trolley is further provided with a cutting knife, and the cutting knife can cut the paper when the first indentation trolley, the second indentation trolley and the first synchronous belt move transversely and the frame drives the paper to move forward and backward.

[0015] Further, the cutting knife can move up and down in the height direction under the drive of the first indentation trolley.

[0016] The paper cutting and indentation equipment has the advantages that:

[0017] 1. The paper cutting and indentation equipment provided by the utility model drives the first indentation trolley, the second indentation trolley and the first synchronous belt to move linearly in the same direction simultaneously through one transmission motor, thereby improving the movement synchronization of the first indentation trolley and the second indentation trolley when the packaging paper is cut and indented, and the convex and concave wheel structure is combined with the convex wheel arranged at the lower part of the packaging paper surface and the concave wheel arranged at the upper part of the packaging paper surface, the three synchronous movement functions of the first indentation trolley, the second indentation trolley and the first synchronous belt are utilized, and rapid indentation on the back of the packaging paper surface is completed, thereby solving the problem of stress concentration and fracture of paper fibers on a flat surface in the folding process of a packaging box.

[0018] 2. The paper cutting and indentation equipment has high automation degree and is convenient to operate, and can effectively avoid stress concentration and fracture of paper in the folding process caused by single-sided indentation process, and prevent problems such as microcracks and even surface peeling on the printing surface. ACCURATE DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a structure schematic view of the frame in the utility model;

[0021] Figure 3 It is a structure schematic view of two linear running parts in the utility model;

[0022] Figure 4 It is Figure 3 It is a local enlarged schematic view of A in the utility model;

[0023] Figure 5 It is a structure schematic view of the paper pressing system in the utility model;

[0024] Figure 6 is Figure 5 a local enlarged view at B in the middle;

[0025] Figure 7 is a structural schematic view of the up-and-down indentation trolley in the utility model;

[0026] Figure 8 is a subdivided structural schematic view of the up-and-down indentation trolley in the utility model;

[0027] Figure 9 is a structural schematic view of the concave-convex wheel assembly in the utility model;

[0028] In the drawings, the components represented by each reference numeral are listed as follows:

[0029] 1, adapter block; 2, first linear travel part; 3, second linear travel part; 4, paper pressing system; 5, paper pressing system control part; 6, first indentation trolley; 7, second indentation trolley; 8, rack; 9, first synchronous belt; 10, first synchronous belt tensioning part; 11, first motor; 12, transmission shaft; 13, second motor; 14, cutting knife; 15, concave wheel assembly; 16, convex wheel assembly;

[0030] 21, second synchronous belt; 22, second synchronous belt tensioning part; 23, first slide rail;

[0031] 31, third synchronous belt tensioning part; 32, third synchronous belt; 33, second slide rail;

[0032] 41, pedestal; 42, first roller shaft; 43, first roller shaft fixing part; 44, cushion block; 45, second roller shaft; 46, power adapter; 47, belt; 48, tensioner; 49, rubber sleeve; 431, roller shaft frame; 432, shaft sleeve fixing frame; 433, limiting rod; 434, pressing rod; 435, first spring; 436, shaft sleeve;

[0033] 51, first handle; 52, second handle; 53, first shaft; 54, second shaft;

[0034] 61, first trolley frame; 62, third slide rail; 63, first sliding block; 64, first air cylinder; 65, knife holder; 66, third motor; 67, fourth slide rail; 68, second sliding block; 69, second air cylinder;

[0035] 71, second trolley frame; 72, fourth motor;

[0036] 81, side plate; 82, first cross beam; 83, second cross beam; 84, third cross beam;

[0037] 151, concave wheel seat; 152, concave wheel; 153, second spring; 154, concave wheel shaft; 161, convex wheel seat; 162, convex wheel; 163, convex wheel shaft; 17, through hole. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0039] Please refer to Figure 1 - Figure 2 As shown in FIG. 1, a paper cutting and indentation device based on convex-concave wheel synchronous combination comprises a rack 8 and a paper pressing system 4; the rack 8 comprises two parallel side plates 81 and four first cross beams 82 connecting the side plates 81, and the four first cross beams 82 form an open rectangular space between the two side plates 81; a second cross beam 83 and a third cross beam 84 are arranged at the middle position of the open rectangular space in the height direction; the second cross beam 83 is fixedly connected with the first linear travel part 2; the third cross beam 84 is fixedly connected with the second linear travel part 3; and the paper pressing system 4 is vertically installed between the second cross beam 83 and the third cross beam 84.

[0040] The first synchronous belt 9 is further arranged in the open rectangular space; two first synchronous belt tensioning parts 10 are symmetrically arranged on the inner side of each side plate 81 in the height direction; and the first synchronous belt 9 is arranged in a closed loop transmission structure between the four first synchronous belt tensioning parts 10.

[0041] Please refer to FIG. 2 again. Figure 3 As shown in FIG. 2, the first linear travel part 2 comprises a first slide rail 23 horizontally installed on the second cross beam 83, a second synchronous belt tensioning part 22 arranged on the two side plates 81, and a second synchronous belt 21 arranged thereon; a first indentation trolley 6 is arranged on the first slide rail 23 and can slide; and the first indentation trolley 6 is in transmission cooperation with the second synchronous belt 21 through a connecting piece.

[0042] Correspondingly, the second linear travel part 3 comprises a second slide rail 33 installed on the third cross beam 84, a third synchronous belt tensioning part 31 arranged on the two side plates 81, and a third synchronous belt 32 arranged thereon; a second indentation trolley 7 is arranged on the second slide rail 33 and can slide; and the second indentation trolley 7 is in transmission cooperation with the first synchronous belt 9 through the adapter block 1.

[0043] Particularly, one of the second synchronous belt tensioning portions 22 is mechanically linked with the third synchronous belt tensioning portion 31 through the transmission shaft 12, when the third synchronous belt tensioning portion 31 is driven by the second motor 13, the first synchronous belt 9, the second synchronous belt 21 and the third synchronous belt 32 can be synchronously driven to move in the same direction, thereby ensuring that the first indentation trolley 6 and the second indentation trolley 7 maintain a relatively static state during operation, and the first indentation trolley 6, the second indentation trolley 7 and the first synchronous belt 9 are simultaneously driven in the same direction by the second motor 13 to improve the synchronization of the first indentation trolley 6 and the second indentation trolley 7 during cutting and indentation of the packaging paper, and the convex and concave wheel structure is combined with the convex wheel arranged at the lower part of the packaging paper surface and the concave wheel arranged at the upper part of the packaging paper surface, the three synchronous movement functions of the first indentation trolley 6, the second indentation trolley 7 and the first synchronous belt 9 are utilized to complete the rapid indentation on the back of the packaging paper surface, and the problem of stress concentration and fracture of paper fibers on the flat surface during the folding process of the packaging box is solved, that is, the indentation is made on the back of the printed surface of the paper, thereby avoiding the stress concentration and fracture of paper fibers on the flat surface of the printed surface of the paper.

[0044] Please refer again to Figure 5 and Figure 6 As shown in the figure, the paper pressing system 4 comprises a pedestal 41 fixed between two side plates 81, four second roller shafts 45 are arranged in parallel along the width direction inside the pedestal 41, each second roller shaft 45 realizes axial rotation function through a bearing assembly and one end thereof extends out of the outer wall of the pedestal 41 to connect a driving mechanism; a first roller shaft 42 is arranged above the pedestal 41 and is vertically adjustable installed through a first roller shaft fixing portion 43, and an adjustable paper clamping passage is formed between the first roller shaft 42 and the second roller shaft 45.

[0045] The above-mentioned driving mechanism comprises a power transfer portion 46 arranged on the side plate 81 and a first motor 11 connected thereto; the power transfer portion 46 is linked and driven with the four second roller shafts 45 through a double belt 47 mechanism, and a tensioner 48 is further arranged to adjust the tension of the belt 47. It is worth emphasizing that the surfaces of the first roller shaft 42 and the second roller shaft 45 are covered with rubber sleeves 49, and the upper surface of the rubber sleeve 49 of the second roller shaft 45 protrudes out of the plane of the pedestal 41 to form a corresponding clamping surface with the rubber sleeve 49 of the first roller shaft 42.

[0046] Please refer again to Figure 6As shown, the first roller shaft fixing part 43 is composed of a grooved roller shaft frame 431, a shaft sleeve fixing frame 432 embedded in the groove, and a limiting assembly; the shaft sleeve fixing frame 432 fixes the end of the first roller shaft 42 through four shaft sleeves 436; two limiting rods 433 are arranged in the groove to constrain the shaft sleeve fixing frame 432 to move only in the height direction; the top of the shaft sleeve 436 is connected to an upwardly extending pressing rod 434, and a rod body of the pressing rod 434 in the groove is sleeved with a first spring 435; the paper pressing system control part 5 includes a first handle 51 pivoted to the roller shaft frame 431 (based on a first shaft 53 pivoted to the roller shaft frame 431) and a second handle 52 pivoted to the shaft sleeve fixing frame 432 (based on a second shaft 54 pivoted to the shaft sleeve fixing frame 432); the first handle 51 and the second handle 52 are linked through a hinged mechanism, and the operator can drive the shaft sleeve fixing frame 432 to vertically displace by pulling the first handle 51, so as to adjust the clamping distance between the first roller shaft 42 and the second roller shaft 45.

[0047] Please refer again to Figure 5 、 Figure 7 and Figure 8 As shown, a groove accommodating the first synchronous belt 9 is formed in the central region of the pedestal 41, and the first synchronous belt 9 at the corresponding position of the groove is provided with a through hole 17. The groove is arranged to facilitate the installation of the first synchronous belt 9, and the first synchronous belt 9 supports the paper when the paper passes through the groove, which facilitates the support of the paper during indentation or cutting. The through hole 17 is directly opposite the cam assembly 15 of the first indentation trolley 6 and the cam assembly 16 of the second indentation trolley 7. Specifically, the convex cam arranged at the lower part of the packaging paper surface is combined with the concave cam arranged at the upper part of the packaging paper surface, and the three synchronous movement functions of the first indentation trolley 6, the second indentation trolley 7, and the first synchronous belt 9 are utilized to complete the rapid indentation on the back of the packaging paper surface, thereby solving the problem of stress concentration and fracture of paper fibers on the flat surface during the folding process of the packaging box, i.e., indentation is performed on the back of the printed surface of the paper, thereby avoiding the stress concentration and fracture of paper fibers on the flat surface of the printed surface of the paper.

[0048] In this embodiment, the first synchronous belt 9 is fixedly connected with the second indentation trolley 7, so that the through hole 17 can always be kept on the same vertical line as the second indentation trolley 7. The first indentation trolley 6 and the second indentation trolley 7 are both driven by the output power of the second motor 13, so that the transmission ratios are the same and the first indentation trolley 6 and the second indentation trolley 7 are ensured to be on the same vertical line. In this way, the through hole 17 on the first indentation trolley 6, the second indentation trolley 7, and the first synchronous belt 9 can always be kept on the same vertical line during movement.

[0049] The first indentation trolley 6 comprises a first trolley frame 61 in sliding fit with the first slide rail 23, a fourth slide rail 67 is arranged inside the frame, and a second slide block 68 driven by a second air cylinder 69 is arranged inside the frame, the second slide block 68 is fixedly connected with the concave wheel assembly 15 and is controlled to realize vertical displacement, and a third motor 66 arranged at the top of the frame drives the concave wheel assembly 15 to rotate through a transmission mechanism.

[0050] The second indentation trolley 7 comprises a second trolley frame 71 in sliding fit with the second slide rail 33, and a fourth motor 72 arranged at the top of the frame directly drives the convex wheel assembly 16 to rotate. When the paper is conveyed to above the first synchronous belt 9 through the paper pressing system 4, the concave wheel assembly 15 and the convex wheel assembly 16 can synchronously implement the indentation work.

[0051] In the embodiment, the first indentation trolley 6 and the second indentation trolley 7 are provided with position sensors, the position sensors can clearly determine the zero points of the concave wheel assembly 15 and the convex wheel assembly 16, and the zero point detection mechanism can ensure that the coordinate systems of the concave wheel assembly 15 and the convex wheel assembly 16 in the three-dimensional space are strictly aligned, thereby meeting the positioning requirements of the precise assembly and processing scene.

[0052] In addition, the first trolley frame 61 is further provided with a third slide rail 62 and a first slide block 63 driven by a first air cylinder 64, the first slide block 63 is fixedly connected with a tool holder 65, the tool holder 65 is provided with a cutting knife 14, and thus the concave-convex combined indentation wheel synchronous indentation and cutting device can not only perform indentation on the paper, but also can cut the paper according to the set parameters.

[0053] Please refer again to Figure 8 and Figure 9 The concave wheel assembly 15 comprises a concave wheel seat 151 in transmission connection with the third motor 66, the concave wheel seat 151 is provided with a precisely processed U-shaped wheel groove, and an independently rotatable concave wheel 152 is arranged in the groove; the surface of the concave wheel 152 is provided with an annular indentation groove.

[0054] Correspondingly, the convex wheel assembly 16 comprises a convex wheel seat 161 in direct connection with the fourth motor 72, the wheel groove structure parameters of the convex wheel seat 161 are designed in mirror image symmetry with the concave wheel seat 151, and an independently rotatable convex wheel 162 (the convex wheel 162 is fixed based on a convex wheel shaft 163) is arranged in the groove, and the surface of the convex wheel 162 is provided with an annular protrusion which is accurately matched with the groove of the concave wheel 152.

[0055] When the indentation operation is performed, the second cylinder 69 drives the concave wheel assembly 15 to descend along the fourth slide rail 67 to the working position, so that the concave wheel 152 is in contact with the upper surface of the paper in movement, and the convex wheel 162 applies linear pressure upward from the lower surface of the paper to perform double-sided indentation on the paper. By changing the original single-sided indentation on the paper from the top to double-sided indentation on the paper by the cooperation of the convex wheel 162 and the concave wheel 152, the stress concentration fracture of the paper during folding is avoided, and the micro-cracks or even the surface peeling of the back of the paper are prevented.

[0056] In the embodiment, the cutting knife 14 can move up and down in the height direction under the drive of the first indentation trolley 6, and the cutting knife 14 and the concave wheel assembly 15 are both provided with voice coil motors, which realize the adsorption of the cutting knife 14 and the concave wheel assembly 15 when working, so that the cutting knife 14 and the concave wheel assembly 15 are in contact with the surface of the packaging paper to complete the back indentation of the paper.

[0057] It should be noted that in this document, terms such as "comprise", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles or devices including a series of elements not only include those elements, but also include other elements not explicitly listed or inherent to such processes, methods, articles or devices.

[0058] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model.

Claims

1. Paper cutting and creasing apparatus based on convex-concave wheel synchronization combination, comprising a frame (8) and a paper pressing system (4); characterized in that: The paper pressing system (4) is centrally provided with a groove; It also comprises a first synchronous belt (9) entering the groove, the first synchronous belt (9) being below the paper; the first synchronous belt (9) is also provided with a through hole (17); the paper pressing system (4) is above a first linear travel part (2), and the paper pressing system (4) is below a second linear travel part (3); The first linear travel part (2) is provided with a first indentation trolley (6), and the second linear travel part (3) is provided with a second indentation trolley (7); the second indentation trolley (7) is connected with the first synchronous belt (9) through an adapter block (1); The first indentation trolley (6) is provided with a concave wheel assembly (15) which coincides with the axis of the through hole (17) and can rollingly contact the paper from above; the second indentation trolley (7) is provided with a convex wheel assembly (16) which passes through the through hole (17) and rollingly contacts the paper from below.

2. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 1, characterized in that: Both the concave wheel assembly (15) and the convex wheel assembly (16) can be axially rotated; the first indentation trolley (6) and the second indentation trolley (7) drive the concave wheel assembly (15) and the convex wheel assembly (16) to move linearly; the frame (8) drives the paper to move back and forth.

3. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 1, characterized in that: The concave wheel assembly (15) comprises a concave wheel seat (151) connected with the first indentation trolley (6), the concave wheel seat (151) being provided with a wheel groove, and the wheel groove being provided with a concave wheel (152).

4. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 3, characterized in that: The paper pressing system (4) comprises a pedestal (41) provided on the frame (8); a plurality of second roller shafts (45) are arranged in an array inside the pedestal (41), and above each second roller shaft (45) is a first roller shaft (42) parallel to the second roller shaft (45).

5. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 4, characterized in that: The paper pressing system (4) further comprises a driving part driving all the second roller shafts (45) to axially rotate, and a first roller shaft (42) fixing part at the end of the first roller shaft (42); the first roller shaft (42) fixing part is provided with a paper pressing system (4) control part, and the paper pressing system (4) control part controls all the first roller shafts (42) to move up and down relative to the pedestal (41).

6. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 5, characterized in that: The first roller shaft (42) fixing part comprises a roller shaft frame (431) provided with a groove, and a shaft sleeve fixing frame (432) is arranged in the groove; a plurality of shaft sleeves (436) for fixing the end of the first roller shaft (42) are arranged in an array on the shaft sleeve fixing frame (432).

7. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 6, characterized in that: The first roller shaft (42) fixing part further comprises a pressing rod (434) installed above the shaft sleeve (436) and penetrating the roller shaft frame (431).

8. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 7, characterized in that: The part of the pressing rod (434) in the groove is sleeved with a first spring (435), and the first spring (435) exerts a downward pressure on the shaft sleeve fixing frame (432).

9. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 1, characterized in that: The paper pressing system (4) control part comprises a second handle (52) installed at the shaft sleeve fixing frame (432) and a first handle (51) installed at the roller shaft frame (431); the second handle (52) is rotatable at the shaft sleeve fixing frame (432); the first handle (51) is rotatable at the roller shaft frame (431); and the second handle (52) is hinged with the first handle (51).

10. The paper cutting and creasing apparatus based on convex-concave wheel synchronization combination according to claim 9, characterized in that: The cutting knife (14) can move up and down in the height direction under the driving of the first indentation trolley (6), and the cutting knife (14) and the concave wheel assembly (15) are provided with voice coil motors, which realize the adsorption of the cutting knife (14) and the concave wheel assembly (15) when working, so that the cutting knife (14) and the concave wheel assembly (15) are in contact with the surface of the packaging paper to complete the back indentation of the paper.

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