Paperboard edge trimming device
The cardboard edge trimming device with linked grinding components and radial plate heat dissipation structure solves the problems of cutting knife wear and uneven grinding, achieves continuous sharpness of the blade and efficient heat dissipation, and improves cutting accuracy and production efficiency.
Patent Information
- Application Number
- CN202510877889.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-27
- Publication Date
- 2025-09-12
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In existing cardboard edge trimming devices, the cutting blade of the cutting knife suffers from reduced cutting accuracy and rough edges due to wear, and the grinding structure lacks heat dissipation intervals and linkage coordination, which affects the sharpness and service life of the blade.
The intermittent grinding and heat dissipation of the blade can be achieved by combining the linkage grinding assembly with the cutting blade to avoid overheating and damage.
Keep the blade sharp, improve cutting accuracy and production efficiency, reduce maintenance costs, avoid paper jams, and ensure cutting quality.
Smart Images
Figure CN120620356A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of edge processing, in particular to a cardboard edge trimming device. Background Art
[0002] In the fields of packaging, printing and flexible material processing, universal machine tools are widely used due to their ability to integrate multiple processes. They are equipped with modular components such as cutting and polishing to achieve edge trimming of materials such as cardboard and plastic sheets. Existing cutting modules usually use cutting knives to trim the edges of the laminated cardboard to remove irregularities or overlapping parts, make the edges of the cardboard smooth, and cut off the scraps at the edges of the cardboard. However, during the long-term cutting process, the blade of the cutting knife will inevitably wear due to friction, resulting in reduced cutting accuracy, rough edges, and even paper jams. In order to maintain the sharpness of the blade, traditional devices need to be frequently shut down for manual polishing or replacement of blades, which not only increases maintenance costs but also reduces production efficiency.
[0003] Some existing devices utilize a grinding mechanism to sharpen the blade in real time. However, most suffer from the problem of a highly continuous grinding process and a lack of heat dissipation intervals, which can lead to blade damage from over-grinding or heat accumulation. Furthermore, the coordination between the grinding mechanism and the cutting blade is insufficient, making it difficult to achieve precise intermittent grinding without compromising cutting efficiency. This makes it difficult to balance blade sharpness with blade life, and the need to cut off scraps requires the use of an additional cutting device. Summary of the Invention
[0004] The purpose of the present invention is to address the problems existing in the background technology and propose a cardboard edge trimming device that links a cutting component with a grinding component so that the grinding component intermittently grinds the cutting knife, allowing the cutting knife to have sufficient time to dissipate heat.
[0005] The technical solution of the present invention is: a cardboard edge trimming device, comprising: Laminating machine body; A supporting unit, provided on the pressing machine body; The cutting knife comprises a rotating disk rotatably arranged on the supporting unit, a plurality of spokes arranged on the rotating disk, and a single-sided sharpened blade arranged on the outer sides of the plurality of spokes; The grinding assembly includes a movable frame, a rotating connecting plate rotatably mounted on the movable frame, a grinding stone having one end rotatably mounted on the rotating connecting plate and capable of frictionally engaging with the blade, a U-shaped elastic member disposed between the movable frame and the grinding stone, and a guide slide rod disposed on the U-shaped elastic member and slidably connected to the movable frame; a cutting assembly, slidably disposed on the supporting unit; a driving assembly, which is disposed on the supporting unit and has an output end connected to the cutting blade and the cutting assembly; and A linkage unit is provided on the cutting assembly and is used to drive the movable frame to move.
[0006] Preferably, the support unit includes a support seat provided on the laminating machine body and having a cutting groove, a support column provided on the support seat, and a mounting bracket provided on the support column; the rotating disk is rotatably provided on the mounting bracket.
[0007] Preferably, the linkage unit includes a clamping assembly arranged on the mounting frame, and a linkage assembly arranged on the cutting assembly; the clamping assembly includes a support block arranged on the mounting frame, two swing arms that are staggered up and down and rotatably hinged to the support block and the movable frame at both ends, a guide column arranged on the mounting frame, a lifting platform slidably arranged on the guide column, an elastic member arranged on the guide column and connected to the mounting frame and the lifting platform at both ends, and a connecting rod with both ends rotatably hinged to the swing arm and the lifting platform.
[0008] Preferably, the linkage assembly includes a sliding column arranged on the cutting assembly and slidably connected to the mounting frame, a lifting plate arranged on the sliding column, an elastic member 2 arranged on the sliding column and located on the mounting frame and abutting against the lifting plate, a linkage rod arranged on the lifting plate and slidably connected to the mounting frame and abutting against the lifting platform, and an elastic member 3 arranged on the linkage rod.
[0009] Preferably, the cutting assembly includes a connecting plate that slides on the support column and is connected to the sliding column, a knife seat arranged on the connecting plate, a blade arranged on the knife seat, a rotating rod that is rotatably arranged on the connecting plate at one end, and a connecting rod 2 whose one end is connected to the output end of the driving assembly and the other end is rotatably hinged to the rotating rod.
[0010] Preferably, the driving assembly includes a driving motor arranged on the mounting frame and having its output end connected to the rotating disk, a bevel gear transmission group arranged on the output end of the rotating disk, a rotating shaft rotatably arranged on the mounting frame and connected to the output end of the bevel gear transmission group, a rotating frame arranged on the mounting frame, a worm rotatably arranged on the rotating frame and connected to the rotating shaft, and a worm wheel rotatably arranged on the rotating frame and meshingly connected to the worm and drivingly connected to the connecting rod 2.
[0011] Preferably, a support frame is provided on the mounting frame, and an anti-warping component is slidably provided on the support frame; the anti-warping component includes a guide rod slidably provided on the support frame, a guide frame provided on the guide rod, a plurality of sliding rollers that are slidably provided on the guide frame, and four elastic members provided on the guide rod and connected to the guide frame and the support frame at both ends respectively.
[0012] Preferably, the laminating machine body includes a frame, two laminating assemblies rotatably arranged in the frame, and a guide roller rotatably arranged on the frame.
[0013] Preferably, a mounting assembly is provided on the pressing machine body; the mounting assembly includes a mounting rod provided on the frame, a mounting seat provided on the support seat, and a fixing bolt threadedly connected to the mounting seat and abutting against the mounting rod.
[0014] Preferably, a guide assembly is provided on the support seat; the guide assembly includes a connecting block provided on the support seat, and a guide block provided on the connecting block; one side of the guide block is fitted with the blade gap, and the other side of the guide block is provided with a guide slope, the support column is located between the thick ends of the guide blocks, and the edge of the support column does not exceed the limit of the thick end of the guide block.
[0015] Compared with the prior art, the present invention has the following beneficial technical effects: In the present invention, the blade can cut the edge of the cardboard, making the edge of the cardboard smoother, and can control the width of the cardboard, thereby performing trimming processing on the cardboard.
[0016] After the edges of the cardboard are separated, the driving component simultaneously drives the cutting component to move up and down to cut off the scraps at the edges of the separated cardboard, so that the scraps are divided into pieces for easy collection.
[0017] When the cutting assembly moves back and forth up and down, it drives the linkage assembly to move, and the pressing assembly of the linkage assembly moves, and the pressing assembly drives the grinding assembly to move, so that the movable frame drives the grinding stone to contact the blade, so that the grinding stone can intermittently contact the blade to grind the blade, so that the edge of the blade is always sharp, so that the cardboard can be cut better. The blade will inevitably generate a certain amount of heat when it rubs against the cardboard for a long time, and a certain amount of heat will also be generated during grinding. The intermittent contact of the grinding stone with the blade gives the blade time to dissipate heat, thereby avoiding damage to the blade due to overheating or carbonization of the cardboard edge due to high temperature. The hollow groove can better dissipate heat for the blade, and the heat on the blade is transferred to the spoke plate. The spoke plate has an inclination, so that it can generate wind when it rotates, so that air circulation can be achieved, thereby better cooling the blade. The contact time between the grinding stone and the blade is less than the non-contact time, so that the blade has sufficient time to dissipate heat, thereby avoiding damage to the blade due to overheating. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 It is a structural diagram of an embodiment of the present invention; Figure 2 for Figure 1 Schematic diagram of the local enlarged structure at A in the middle; Figure 3 A schematic diagram of a partial structure of an embodiment of the present invention; Figure 4 It is a rear view of the local structure of an embodiment of the present invention; Figure 5 for Figure 4 Schematic diagram of the local enlarged structure at B in the middle; Figure 6 Schematic diagram of the structure of the cutting knife in the present invention; Figure 7 It is a cross-sectional view of the structure of the cutting knife in the present invention; Figure 8 A cross-sectional view of the structure of an embodiment of the present invention; Figure 9 for Figure 8 Schematic diagram of the local enlarged structure at C in the middle; Figure 10 Schematic diagram of the structure of the linkage assembly in the present invention; Figure 11 for Figure 10 Schematic diagram of the local enlarged structure at D in the middle; Figure 12 It is a structural schematic diagram of the grinding assembly in the present invention.
[0020] Figure numerals: 1, pressing machine body; 2, supporting unit; 201, supporting base; 202, supporting column; 203, mounting frame; 204, supporting frame; 3, cutting knife; 301, rotating disk; 302, spoke plate; 303, blade; 304, hollow groove; 4, grinding assembly; 401, moving frame; 402, rotating connecting plate; 403, grinding stone; 404, U-shaped elastic member; 405, guide slide; 5, pressing assembly; 501, supporting block; 502, swing arm; 503, connecting rod 1; 504, lifting platform; 505, guide column; 506, elastic member 1; 6, cutting assembly; 601, knife seat; 602, blade; 603, connecting plate; 604, connecting rod 2; 605, rotating rod; 7, driving assembly; 701, driving motor; 702, bevel gear transmission group; 703, rotating shaft; 704, worm; 705, worm wheel; 706, rotating frame; 8, linkage assembly; 801, sliding column; 802, lifting plate; 803, elastic part 2; 804, linkage rod; 805, elastic part 3; 9, anti-warping assembly; 901, guide frame; 902, sliding roller; 903, guide rod; 904, elastic part 4; 10, mounting assembly; 1001, mounting rod; 1002, mounting seat; 1003, fixing bolt; 11, guide assembly; 1101, connecting block; 1102, guide block. DETAILED DESCRIPTION
[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it individually or selectively refer to an embodiment that is mutually exclusive of other embodiments.
[0024] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing the embodiments of the present invention, cross-sectional views illustrating device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, the three-dimensional dimensions of length, width, and depth should be included.
[0025] Example 1 like Figure 1-12 As shown, a cardboard edge trimming device proposed by the present invention includes a laminating machine body 1, a supporting unit 2, a cutting knife 3, a grinding assembly 4, a cutting assembly 6, a driving assembly 7 and a linkage unit; The support unit 2 is arranged on the pressing machine body 1; the cutting knife 3 includes a rotating disk 301 rotatably arranged on the support unit 2, a plurality of spokes 302 are arranged on the rotating disk 301, and a single-sided sharpened blade 303 is arranged on the outer side of the plurality of spokes 302; the single-sided sharpened blade 303 can make the side close to the cardboard material vertical, so that the edge of the cardboard after cutting is smoother, and the single-sided sharpening can make the blade 303 sharper and better cut the cardboard. There are hollow grooves 304 between the plurality of spokes 302, and the spokes 302 have an inclination, so that when the driving component 7 drives the rotating disk 301 to rotate, the rotating disk 301 drives the spokes 302 to rotate, generating wind force, so that air circulation can be achieved. It can better cool the blade 303 and blow off the debris particles generated during cutting; the grinding assembly 4 includes a movable frame 401, a rotating connecting plate 402 rotatably arranged on the movable frame 401, a grinding stone 403 that is rotatably arranged on the rotating connecting plate 402 at one end and can be frictionally connected to the blade 303, a U-shaped elastic member 404 arranged between the movable frame 401 and the grinding stone 403, and a guide slide rod 405 arranged on the U-shaped elastic member 404 and slidably connected to the movable frame 401; a cutting assembly 6 is slidably arranged on the support unit 2; a driving assembly 7 is arranged on the support unit 2 and the output end is connected to the cutting knife 3 and the cutting assembly 6; and a linkage unit is arranged on the cutting assembly 6 for driving the movable frame 401 to move.
[0026] The support unit 2 includes a support base 201 with a cutting groove, mounted on the press body 1, a support column 202 mounted on the support base 201, and a mounting bracket 203 mounted on the support column 202. A rotating disk 301 is rotatably mounted on the mounting bracket 203. A guide assembly 11 is mounted on the support base 201. The guide assembly 11 includes a connecting block 1101 mounted on the support base 201 and a guide block 1102 mounted on the connecting block 1101. One side of the guide block 1102 is loosely fitted with the blade 303, and the other side of the guide block 1102 is provided with a guide bevel. The support column 202 is positioned between the thick ends of the guide blocks 1102, and the edge of the support column 202 does not extend beyond the limit of the thick ends of the guide blocks 1102. The support column 202 is located at the thick end of the guide block 1102, so it can support the mounting frame 203, and the thick end of the guide block 1102 has separated the scraps of cardboard. Therefore, the main surface of the cardboard is located on the other side of the blade 303, and the position of the support column 202 does not exceed the edge of the blade 303. Therefore, the support column 202 of this structure can support the mounting frame 203, and there is no edge concept between the support seat 201 and the mounting frame 203. Therefore, it can be used even if the size of the cut corner is large. If the width of the scrap exceeds the cutting range of the blade 602, it will result in the scrap not being completely cut off at one time, and it is necessary to replace the blade 602 with a longer one to obtain a larger cutting width, or manually assist in tearing. And because there is already a cutting opening, manual assisted tearing can be more convenient and smooth.
[0027] The guide block 1102 is supported by the connecting block 1101, and the cardboard scraps after cutting will move to the guide block 1102. The cardboard scraps are guided by the inclined surface of the guide block 1102, so that the cardboard scraps move obliquely outward, thereby separating from the main surface of the cardboard, so that the scraps can move to the bottom of the cutting component 6 and be cut by the cutting component 6.
[0028] In this embodiment, after the multi-layer cardboard moves into the laminating machine body 1, it is pressed by the laminating assembly to form a multi-layer cardboard, and the edge part of the cardboard will have irregular or incomplete overlapping problems. When the cardboard moves to the support unit 2, the cardboard is pressed by the anti-warping assembly 9. The anti-warping assembly 9 protects the cardboard to prevent the cardboard from warping when the edge is cut. When the cardboard continues to move and contacts the cutting knife 3, the driving assembly 7 drives the rotating disk 301 to rotate, and the rotating disk 301 drives the spoke 302 to rotate, and the spoke 302 drives the blade 303 to rotate, so that the blade 303 can cut the edge of the cardboard, making the edge of the cardboard smoother, and the width of the cardboard can be controlled, so that the cardboard can be trimmed.
[0029] After the edges of the cardboard are separated, the driving component 7 simultaneously drives the cutting component 6 to move up and down to cut off the scraps at the edges of the separated cardboard, so that the scraps are divided into pieces for easy collection.
[0030] When the cutting assembly 6 moves back and forth up and down, it will drive the linkage assembly 8 to move, the pressing assembly 5 brought by the linkage assembly 8 to move, and the pressing assembly 5 drives the grinding assembly 4 to move, so that the movable frame 401 drives the grinding stone 403 to contact the blade 303, so that the grinding stone 403 can intermittently contact the blade 303 and grind the blade 303, so that the edge of the blade 303 is always sharp, so that the cardboard can be cut better. The blade 303 will inevitably generate a certain amount of heat when rubbing against the cardboard for a long time, and a certain amount of heat will also be generated during grinding. The grinding stone 403 intermittently contacts the blade 303 , giving the blade 303 time to dissipate heat, thereby preventing the blade 303 from being damaged due to overheating or the edge of the cardboard from being carbonized due to high temperature, and the hollow groove 304 can better dissipate heat for the blade 303, and the heat on the blade 303 is transferred to the spoke 302, and the spoke 302 has an inclination, so that when it rotates, it can generate wind force, allowing air circulation, thereby better cooling the blade 303, and the contact time between the grinding stone 403 and the blade 303 is less than the non-contact time, so that the blade 303 has sufficient time to dissipate heat, thereby preventing the blade 303 from being overheated and damaged.
[0031] The guide rod 405 slides on the movable frame 401, thereby guiding and limiting the grinding stone 403, and preventing the grinding stone 403 from being completely bounced off by the U-shaped elastic member 404.
[0032] Example 2 like Figure 1-12As shown, a cardboard edge trimming device proposed by the present invention, compared with the first embodiment, the linkage unit in this embodiment includes a pressing assembly 5 arranged on the mounting frame 203, and a linkage assembly 8 arranged on the cutting assembly 6; the pressing assembly 5 includes a support block 501 arranged on the mounting frame 203, a swing arm 502 provided with two upper and lower staggered distributions and respectively rotatably hinged to the support block 501 and the movable frame 401 at both ends, a guide column 505 provided on the mounting frame 203, a lifting platform 504 slidably provided on the guide column 505, and a lifting platform 504 provided on the guide column 505 and respectively at both ends. An elastic member 506 connected to the mounting frame 203 and the lifting platform 504, and a connecting rod 503 whose two ends are respectively hinged to the swing arm 502 and the lifting platform 504; the support block 501, the swing arm 502 and the movable frame 401 cooperate to form a parallelogram structure, so that when one of the swing arms 502 rotates, it will drive the movable frame 401 to move, and the vertical state of the movable frame 401 is maintained by the other swing arm 502, so that the movable frame 401 can better drive the grinding stone 403 to contact the blade 303, and can evenly apply pressure to grind the blade 303.
[0033] The linkage assembly 8 includes a sliding column 801 arranged on the cutting assembly 6 and slidably connected to the mounting frame 203, a lifting plate 802 arranged on the sliding column 801, an elastic member 2 803 arranged on the sliding column 801 and located on the mounting frame 203 and abutting against the lifting plate 802, a linkage rod 804 arranged on the lifting plate 802 and slidably connected to the mounting frame 203 and abutting against the lifting platform 504, and an elastic member 3 805 arranged on the linkage rod 804. The linkage assembly 8 is used to drive the lifting platform 504 to move, and the linkage rod 804 has an empty space, so that when the connecting plate 603 moves downward from the highest point, the front part of the linkage rod 804 will be empty. When the upper end of the linkage rod 804 contacts the elastic member 3 805, the lifting platform 504 is pushed downward by the elastic member 3 805, which is a load movement, so that the grinding assembly 4 can intermittently contact the cutting knife 3 to achieve intermittent grinding.
[0034] In this embodiment, the driving component 7 drives the connecting plate 603 to move up and down, and the connecting plate 603 drives the sliding column 801 to move. The sliding column 801 slides on the mounting frame 203 and drives the lifting plate 802 to move. When sliding, the sliding column 801 can support and guide the connecting plate 603 and transmit the action to the lifting plate 802, and the lifting plate 802 drives the linkage rod 804 to move. The elastic member 803 is used to buffer and reduce shock for the lifting plate 802 when the connecting plate 603 drops to the bottom end, and when moving upward, a thrust is used to facilitate the upward movement of the connecting plate 603, driving the blade 602 to reset.
[0035] like Figure 12As shown, the lifting plate 802 drives the linkage rod 804 to move up and down. The distance that the linkage rod 804 moves up and down is equal to the distance that the connecting plate 603 moves up and down, and the distance that the linkage rod 804 moves up and down is greater than the distance that the lifting platform 504 moves up and down. The distance that the lifting platform 504 moves upward is limited by the guide column 505, so that the linkage rod 804 has an idle stroke. When the linkage rod 804 moves downward from the highest point, the upper end of the linkage rod 804 will not transmit power. Therefore, the lifting platform 504 still will not move. At this time, the grinding assembly 4 is still separated from the blade 303 and will not grind the blade 303. When the connecting plate 603 continues to move downward, and the upper end of the linkage rod 804 contacts the elastic part 3 805, the downward movement force will be transmitted to the lifting platform 504 through the elastic part 3 805. At this time, the linkage rod 804 is in a load state, and the lifting platform 504 is pushed by the elastic part 3 805. The lowering platform 504 moves downward, and the lifting platform 504 drives the connecting rod 1 503 to move, and the connecting rod 1 503 drives the swing arm 502 to rotate, and the swing arm 502 drives the movable frame 401 to move, so that the movable frame 401 drives the grinding stone 403 to move toward the blade 303, so that the grinding stone 403 can contact the blade 303 and grind the blade 303, making the edge of the blade 303 sharper and avoiding cutting jams. The elastic member 3 805 has a deformation space, so that when the linkage rod 804 moves downward, an elastic force is applied to the lifting platform 504 through the elastic member 3 805, so that the grinding stone 403 can be reliably attached to the blade 303, and when the linkage rod 804 continues to move downward, if the grinding stone 403 has no moving space, the deformation of the elastic member 3 805 can provide space for the linkage rod 804 to move downward, thereby achieving the stability of the device.
[0036] When the connecting plate 603 moves upward, it will drive the linkage rod 804 to move upward, and the upward movement of the linkage rod 804 will gradually reduce the pressure on the elastic member 3 805, thereby reducing the pressure on the lifting platform 504, so that the elastic member 1 506 pushes the lifting platform 504 to move upward, and the lifting platform 504 drives the linkage rod 1 503 to move, and the linkage rod 1 503 drives the swing arm 502 to move, so that the movable frame 401 drives the grinding stone 403 to separate from the blade 303, so that the grinding stone 403 does not contact the blade 303, so that the blade 303 is not ground at this time. After the three 805 are completely separated, the elastic part 1 506 pushes the lifting platform 504 against the upper end of the guide column 505, thereby limiting the lifting platform 504 from continuing to move upward, and the connecting rod 1 503 drives the swing arm 502 to maintain the current position, and the linkage rod 804 can continue to move upward. When the linkage rod 804 moves to the highest point, it will follow the connecting plate 603 to move downward until it contacts the elastic part 3 805. The section where the linkage rod 804 does not contact the elastic part 3 805 is an empty stroke, so that within this section of the stroke, the grinding assembly 4 is separated from the blade 303, which can enable the cutting knife 3 to be cooled.
[0037] The pressing assembly 5 is driven to swing back and forth by the linkage assembly 8, thereby driving the grinding assembly 4 to intermittently contact the blade 303. The rotation speed of the cutting knife 3 is much greater than the rotation speed of the worm gear 705, so that when the grinding stone 403 contacts the blade 303, the blade 303 can rotate multiple circles, thereby grinding the blade 303. Since the linkage rod 804 has an idle stroke, the time when the grinding stone 403 is not in contact with the blade 303 will be longer than the time when it is in contact, thereby achieving intermittent grinding of the blade 303. Intermittent grinding can avoid excessive grinding of the blade 303, and intermittent grinding can grind the blade 303 after each rotation for a period of time, ensuring that the blade 303 is always sharp, and can make the cardboard cutting smoother without paper jams, and can make the cut edge smoother with fewer burrs.
[0038] Example 3 like Figure 1-12As shown, a cardboard edge trimming device proposed by the present invention, compared with embodiment 1 or embodiment 2, the cutting component 6 in this embodiment includes a connecting plate 603 on the sliding support column 202 and connected to the sliding column 801, a knife seat 601 arranged on the connecting plate 603, a blade 602 arranged on the knife seat 601, a rotating rod 605 rotatably arranged on the connecting plate 603 at one end, and a connecting rod 2 604 connected to the output end of the driving component 7 at one end and rotatably hinged to the rotating rod 605 at the other end; the blade 602 is arranged at an angle, and the inclined blade 602 can guide the cut cardboard scraps when cutting, that is, when the blade 602 moves downward to cut off the scraps at the edge of the cardboard, and the cardboard continues to move, the inclined blade 602 can push the cardboard scraps toward the outside. , to prevent the scraps from getting stuck on the blade 602. If the blade 602 is placed relatively horizontally, after the cardboard scraps are cut off, if the blade 602 fails to move upward in time, the cardboard scraps will hit the blade 602, affecting the stability of the operation. By setting the blade 602 at an angle, the scraps can be guided to the outside by the blade 602 after hitting the blade 602. When the blade 602 moves downward and resets, the cardboard scraps can move normally without the problem of the knife being stuck. One of the cutting grooves on the support seat 201 is located below the blade 602, so that the cutting can be more thorough and the problem of not being able to cut in one go can be avoided. The inclined blade 602 does not need to be adjusted according to the thickness of the scraps, so that the cutting coverage of the blade 602 is wide and can be better applied.
[0039] The driving assembly 7 includes a driving motor 701 which is arranged on the mounting frame 203 and whose output end is connected to the rotating disk 301, a bevel gear transmission group 702 which is arranged on the output end of the rotating disk 301, a rotating shaft 703 which is rotatably arranged on the mounting frame 203 and connected to the output end of the bevel gear transmission group 702, a rotating frame 706 which is arranged on the mounting frame 203, a worm 704 which is rotatably arranged on the rotating frame 706 and connected to the rotating shaft 703, and a worm wheel 705 which is rotatably arranged on the rotating frame 706 and meshed with the worm 704 and drivingly connected to the second connecting rod 604. The driving assembly 7 drives the cutting knife 3 to rotate and drives the cutting assembly 6 to move back and forth, thereby being able to cut the scraps of cardboard.
[0040] In this embodiment, the driving motor 701 drives the cutting knife 3 to rotate, and drives the rotating shaft 703 to rotate through the bevel gear transmission group 702, the rotating shaft 703 drives the worm 704 to rotate, the worm 704 drives the worm wheel 705 to rotate, the worm wheel 705 drives the connecting rod 2 604 to rotate, the connecting rod 2 604 drives the rotating rod 605 to move, the rotating rod 605 drives the connecting plate 603 to move, the connecting plate 603 drives the knife holder 601 to move, and the knife holder 601 drives the blade 602 to reciprocate up and down. When the blade 602 moves downward, it will contact the scraps of cardboard, thereby cutting off the scraps of cardboard, thereby automatically cutting the scraps of cardboard into sections, which is convenient for collection and storage. Just place a collection box under the knife holder 601 to collect the scraps.
[0041] The power of the driving motor 701 is transmitted to the rotating shaft 703 through the bevel gear transmission group 702, and then transmitted to the worm 704 through the rotating shaft 703. The worm 704 and the worm wheel 705 are a reduction transmission component. Therefore, the rotation speed of the rotating rod 605 is much lower than the rotation speed of the cutting knife 3, so that the blade 602 can be cut after cutting a piece of scraps. The rotation positions of the rotating rod 605 and the connecting rod 2 604 are eccentrically set to form an eccentric slider mechanism. The eccentric slider mechanism has a quick return characteristic. Therefore, when the blade 602 cuts off the cardboard scraps, it can be separated relatively quickly. When moving downward, it can move downward stably to cut, ensuring the stability of cutting, and when driving the linkage component 8 to move, it can enable the linkage component 8 to drive the clamping component 5 to drive the grinding component 4 to intermittently contact the blade 303, thereby avoiding excessive grinding.
[0042] Example 4 like Figure 1-12 As shown, a cardboard edge trimming device proposed by the present invention, compared with embodiment one, embodiment two or embodiment three, in this embodiment, a support frame 204 is provided on the mounting frame 203, and an anti-warping component 9 is slidably provided on the support frame 204; the anti-warping component 9 includes a guide rod 903 slidably provided on the support frame 204, a guide frame 901 provided on the guide rod 903, a plurality of sliding rollers 902 that are all slidably provided on the guide frame 901, and an elastic member 904 provided on the guide rod 903 and connected to the guide frame 901 and the support frame 204 at both ends respectively. The anti-warping component 9 can be used to relatively squeeze the cardboard when cutting the edge of the cardboard to prevent the cardboard from being affected by the rotation of the cutting knife 3 during cutting, thereby ensuring the stability of the cutting. The guide column 505, the linkage rod 804 and the guide rod 903 have the same structure, and a limiting nut block is provided at the upper end thereof.
[0043] The laminating machine body 1 includes a frame, two laminating assemblies rotatably arranged in the frame, and guide rollers rotatably arranged on the frame. The laminating assemblies can press the cardboard so that the adhesive can stick the multiple layers of paper to form a multi-layer board, and the guide rollers can guide the cardboard so that the cardboard can be smoothly moved out and moved to the support unit 2.
[0044] A mounting assembly 10 is provided on the laminating machine body 1; the mounting assembly 10 includes a mounting rod 1001 provided on the frame, a mounting seat 1002 provided on the support seat 201, and a fixing bolt 1003 threadedly connected to the mounting seat 1002 and abutting against the mounting rod 1001; the mounting rod 1001 is installed on the frame, and the mounting seat 1002 is slidably provided on the frame, and the mounting seat 1002 can support the support seat 201, and then the mounting seat 1002 is fixed by the fixing bolt 1003, so that the mounting seat 1002 supports and fixes the support seat 201, and can adjust the position of the support seat 201 according to processing needs, and adjust the width of the cut cardboard.
[0045] In this embodiment, after the cardboard passes through the laminating assembly, the multiple layers of paper and the adhesive are squeezed and rubbed against each other to form a multi-layer cardboard. When the cardboard moves to the cutting blade 3, the excess edges are cut off by the cutting blade 3 to achieve a specified width. During cutting, the cardboard moves to the bottom of the guide frame 901, and the elastic member 904 pushes the guide frame 901 downward, so that the guide frame 901 drives the sliding roller 902 to press on the cardboard. The sliding roller 902 can rotate, which can ensure that the cutting blade 3 will not lift the cardboard during cutting while the cardboard moves normally, thereby making the cutting more stable and uniform, and less likely to be damaged, thereby ensuring the quality of cutting, thereby achieving the purpose of trimming the cardboard edge.
[0046] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.
Claims
1. A cardboard edge trimming device, characterized in that: include, Laminating machine body (1); A support unit (2) is arranged on the pressing machine body (1); The cutting knife (3) comprises a rotating disk (301) rotatably arranged on the support unit (2), a plurality of spokes (302) all arranged on the rotating disk (301), and a single-sided sharpened blade (303) arranged on the outer sides of the plurality of spokes (302); A grinding assembly (4) comprising a movable frame (401), a rotating connecting plate (402) rotatably disposed on the movable frame (401), a grinding stone (403) having one end rotatably disposed on the rotating connecting plate (402) and capable of frictionally connecting with the blade (303), a U-shaped elastic member (404) disposed between the movable frame (401) and the grinding stone (403), and a guide slide bar (405) disposed on the U-shaped elastic member (404) and slidably connected to the movable frame (401); A cutting assembly (6) is slidably arranged on the support unit (2); a drive assembly (7), which is arranged on the support unit (2) and has an output end connected to the cutting blade (3) and the cutting assembly (6); and A linkage unit is provided on the cutting assembly (6) and is used to drive the movable frame (401) to move.
2. A cardboard edge trimming device according to claim 1, characterized in that: The support unit (2) comprises a support base (201) provided on the pressing machine body (1) and having a cutting groove, a support column (202) provided on the support base (201), and a mounting frame (203) provided on the support column (202); the rotating disk (301) is rotatably provided on the mounting frame (203).
3. A cardboard edge trimming device according to claim 2, characterized in that: The linkage unit includes a clamping assembly (5) arranged on the mounting frame (203), and a linkage assembly (8) arranged on the cutting assembly (6); the clamping assembly (5) includes a support block (501) arranged on the mounting frame (203), two swing arms (502) arranged and staggered up and down and rotatably hinged at both ends to the support block (501) and the movable frame (401), a guide column (505) arranged on the mounting frame (203), a lifting platform (504) slidably arranged on the guide column (505), an elastic member (506) arranged on the guide column (505) and connected at both ends to the mounting frame (203) and the lifting platform (504), and a connecting rod (503) rotatably hinged at both ends to the swing arm (502) and the lifting platform (504).
4. A cardboard edge trimming device according to claim 3, characterized in that: The linkage assembly (8) includes a sliding column (801) arranged on the cutting assembly (6) and slidably connected to the mounting frame (203), a lifting plate (802) arranged on the sliding column (801), an elastic member 2 (803) arranged on the sliding column (801) and located on the mounting frame (203) and capable of abutting against the lifting plate (802), a linkage rod (804) arranged on the lifting plate (802) and slidably connected to the mounting frame (203) and capable of abutting against the lifting platform (504), and an elastic member 3 (805) arranged on the linkage rod (804).
5. A cardboard edge trimming device according to claim 4, characterized in that: The cutting assembly (6) comprises a connecting plate (603) sliding on the support column (202) and connected to the sliding column (801), a knife seat (601) arranged on the connecting plate (603), a blade (602) arranged on the knife seat (601), a rotating rod (605) rotatably arranged on the connecting plate (603) at one end, and a second connecting rod (604) having one end connected to the output end of the driving assembly (7) and the other end rotatably hinged to the rotating rod (605).
6. A cardboard edge trimming device according to claim 5, characterized in that: The driving assembly (7) comprises a driving motor (701) arranged on the mounting frame (203) and having an output end connected to the rotating disk (301), a bevel gear transmission group (702) arranged on the output end of the rotating disk (301), a rotating shaft (703) rotatably arranged on the mounting frame (203) and connected to the output end of the bevel gear transmission group (702), a rotating frame (706) arranged on the mounting frame (203), a worm (704) rotatably arranged on the rotating frame (706) and connected to the rotating shaft (703), and a worm wheel (705) rotatably arranged on the rotating frame (706) and meshingly connected to the worm (704) and drivingly connected to the second connecting rod (604).
7. A cardboard edge trimming device according to claim 6, characterized in that: A support frame (204) is provided on the mounting frame (203), and an anti-warping component (9) is slidably provided on the support frame (204); the anti-warping component (9) comprises a guide rod (903) slidably provided on the support frame (204), a guide frame (901) provided on the guide rod (903), a plurality of sliding rollers (902) all slidably provided on the guide frame (901), and an elastic member (904) provided on the guide rod (903) and connected at both ends to the guide frame (901) and the support frame (204).
8. A cardboard edge trimming device according to claim 7, characterized in that: The pressing machine body (1) comprises a frame, two pressing assemblies rotatably arranged in the frame, and a guide roller rotatably arranged on the frame.
9. The cardboard edge trimming device according to claim 8, characterized in that: A mounting assembly (10) is provided on the pressing machine body (1); the mounting assembly (10) comprises a mounting rod (1001) provided on the frame, a mounting seat (1002) provided on the support seat (201), and a fixing bolt (1003) threadedly connected to the mounting seat (1002) and abutting against the mounting rod (1001).
10. The cardboard edge trimming device according to claim 8, characterized in that: A guide assembly (11) is provided on the support seat (201); the guide assembly (11) comprises a connecting block (1101) provided on the support seat (201), and a guide block (1102) provided on the connecting block (1101); one side of the guide block (1102) is clearance-matched with the blade (303), and the other side of the guide block (1102) is provided with a guide slope, the support column (202) is located between the thick ends of the guide block (1102), and the edge of the support column (202) does not exceed the limit of the thick end of the guide block (1102).