Film-coated plate cutting fine adjustment mechanism

Abstract

The utility model relates to the technical field of film-coated plate cutting mechanisms, and discloses a film-coated plate cutting fine-tuning mechanism which comprises a rack, a cutting knife rest and a cutting fine-tuning driving mechanism, a cutting fine-tuning track is arranged on the rack, the length direction of the cutting fine-tuning track is consistent with the conveying direction of a film-coated plate, and the cutting knife rest is arranged on the cutting fine-tuning track. The cutting fine-tuning driving mechanism drives the cutting knife rest to move along the cutting fine-tuning track, a cutting sensor support is arranged on the cutting knife rest, two cutting color code sensors are arranged on the cutting sensor support in a spaced mode, and the cutting color code sensors are used for recognizing mark color blocks, close to the cutting position, on the film-coated plate; according to the film-coated plate cutting fine adjustment mechanism, the problem that an existing fixed position cutting mechanism cannot meet different cutting requirements is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film -covered board cutting mechanism technical field, concretely relates to a film -covered board cutting fine adjustment mechanism. BACKGROUND

[0002] After the board is coated, the film -covered board needs to be cut to the appropriate size, and the current film -covered board cutting mechanism can only be cut in a fixed position, and in the film -covered board conveying process, the existing fixed position cutting mechanism cannot meet different cutting requirements due to different cutting position setting requirements. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a film -covered board cutting fine adjustment mechanism to solve at least one above -mentioned problem existing in prior art.

[0004] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0005] A film -covered board cutting fine adjustment mechanism, including frame, cutting knife rest and cutting fine adjustment drive mechanism, be equipped with cutting fine adjustment track on the frame, the length direction of cutting fine adjustment track is consistent with the conveying direction of film -covered board, cutting fine adjustment drive mechanism drives cutting knife rest and moves along cutting fine adjustment track, be equipped with cutting sensor support on cutting knife rest, two cutting color mark sensors are equipped with at interval on cutting sensor support, cutting color mark sensor is used for identifying the sign color block on film -covered board close to cutting position.

[0006] The technical scheme, through the interval arrangement of two cutting color mark sensors, can identify two transverse interval distribution sign color blocks on film -covered board close to cutting position, since the length direction of cutting fine adjustment track is consistent with the conveying direction of film -covered board, cutting fine adjustment drive mechanism drives cutting knife rest and moves along cutting fine adjustment track, in this process, the fine adjustment of the position before and after cutting knife rest can be realized, and then the overall fine adjustment of the position before and after two cutting color mark sensors is realized, so as to meet different cutting position requirements according to actual conditions, and the accuracy of film -covered board transverse cutting position is improved.

[0007] Further, in order to improve the reliability and stability of cutting knife rest fine adjustment, the cutting fine adjustment drive mechanism includes cutting fine adjustment motor, cutting fine adjustment screw rod and cutting nut, the cutting fine adjustment motor is fixed on the frame, the cutting fine adjustment motor drives cutting fine adjustment screw rod to rotate, the cutting fine adjustment screw rod is screwed with cutting nut, and the cutting nut is fixedly connected with the cutting knife rest.

[0008] Further, in order to adapt to the specific identification position of the two mark color blocks transversely and spaced apart on the coated board, the cutting sensor support comprises a mounting seat, a moving block, an adjusting screw rod, a guide rod and a support, both ends of the adjusting screw rod are rotationally connected with the mounting seat, one end of the adjusting screw rod extending out of the mounting seat is provided with an operation part, the upper end of the support is fixedly connected with the moving block, the moving block is threadedly connected with the adjusting screw rod, the guide rod is arranged on the mounting seat, the moving block is slidingly matched with the guide rod, the extension directions of the guide rod and the adjusting screw rod are the same as the conveying direction of the coated board, and the cutting color sensor is arranged at the lower end of the support.

[0009] By arranging the mounting seat, the moving block, the adjusting screw rod, the guide rod and the support, when the cutting color sensor needs to be manually adjusted individually, the operation part is directly screwed to drive the adjusting screw rod to rotate and drive the moving block to move along the guide rod, so that the front and rear positions of the cutting color sensor on the support are further adjusted.

[0010] Further, in order to realize the left and right position adjustment of the cutting color sensor on the mounting seat, a sliding rail is arranged on the cutting knife holder along the length direction thereof, and a sliding block is arranged on the mounting seat and slidingly matched with the sliding rail.

[0011] Further, the cutting edge fine adjustment mechanism is arranged in front of the cutting knife holder, the cutting edge fine adjustment mechanism comprises a fixed cross rod, a fine adjustment support and a cutting edge fine adjustment driving mechanism, the length direction of the fixed cross rod is perpendicular to the conveying direction of the coated board, the fixed cross rod is provided with a fine adjustment track, the fine adjustment support is provided with a fine adjustment sliding block slidingly matched with the fine adjustment track, the inner side of the fine adjustment support is provided with a cutting edge sensor support close to one end of the fine adjustment support, two cutting edge color sensors are arranged on the cutting edge sensor support in parallel along the conveying direction of the coated board, the cutting edge color sensors are used for identifying the mark color blocks on the side edge of the coated board, a cutting edge knife is arranged on the fine adjustment support, and the cutting edge fine adjustment driving mechanism drives the fine adjustment support to move along the fine adjustment track.

[0012] After the board is coated, the coated board needs to be edge cut, and the current edge cutting mechanism of the coated board is fixed position edge cutting. Due to the influence of factors such as equipment vibration or feeding deviation, the position of the coated board will be left and right deviated during the conveying process. The existing edge cutting mechanism of the coated board cannot adapt to the edge cutting of the coated board after the position deviation, and there is the problem of inaccurate edge cutting.

[0013] The technical scheme has the following beneficial effects: when fine adjustment of the trimming position is needed, the fine adjustment driving mechanism drives the fine adjustment support to move along the fine adjustment track, in this process, the position of the fixed cross bar is fixed, the fixed cross bar is installed on the equipment rack, the length direction of the fixed cross bar is perpendicular to the conveying direction of the laminated board, when the equipment is working, the laminated board will pass above the fixed cross bar, since the inside of the fine adjustment support is provided with a trimming sensor support near the position of one end of the fine adjustment support, two trimming color mark sensors are arranged side by side on the trimming sensor support along the conveying direction of the laminated board, after the two trimming color mark sensors identify the corresponding mark color blocks on the side of the laminated board, the trimming fine adjustment driving mechanism stops driving the fine adjustment support in the transverse direction, that is, the fine adjustment support has been adjusted to the position, since the trimming cutter is arranged on the fine adjustment support, the trimming cutter is also adjusted to the appropriate trimming position, and then in the conveying process of the laminated board, the trimming cutter can accurately trim the laminated board, thereby improving the accuracy of trimming the laminated board.

[0014] Further, in order to improve the matching degree of the trimming position in the length direction of the laminated board and the cutting position in the width direction, a connecting rod is arranged on the trimming sensor support, the connecting rod is perpendicular to the length direction of the cutting cutter holder, a connecting hole is arranged on the mounting seat, and the connecting rod is located in the connecting hole.

[0015] When the left and right positions of the two trimming color mark sensors are fine adjusted, the left and right positions of the two cutting color mark sensors are fine adjusted synchronously through the butt joint of the connecting rod and the connecting hole. The perpendicularity of the connecting rod and the cutting cutter holder can ensure the perpendicularity of the longitudinal trimming and the transverse cutting of the laminated board. In addition, the connecting rod is located in the connecting hole, that is, when the front and back positions of the cutting color mark sensor are fine adjusted, the position of the trimming color mark sensor is not affected.

[0016] Further, in order to improve the reliability of the fine adjustment control, the trimming fine adjustment driving mechanism comprises a trimming fine adjustment lead screw, a trimming fine adjustment nut and a trimming fine adjustment motor, the trimming fine adjustment motor drives the trimming fine adjustment lead screw to rotate, the trimming fine adjustment nut is installed on the fine adjustment support, and the trimming fine adjustment lead screw is in threaded cooperation with the trimming fine adjustment nut.

[0017] Further, in order to provide a sensor that can easily detect the mark color block, the models of the trimming color mark sensor and the cutting color mark sensor are KS-C2 color mark sensors.

[0018] Further, in order to set the length and the number of the fine adjustment tracks as needed, the fine adjustment tracks comprise first fine adjustment tracks and second fine adjustment tracks, and the first fine adjustment tracks and the second fine adjustment tracks are arranged at positions close to the two ends of the fixed cross bar respectively.

[0019] Further, in order to be able to select the synchronization adjustment or separate adjustment of the left and right positions of the two cutting color mark sensors according to the needs, the mounting seat comprises a first mounting seat and a second mounting seat, and the first mounting seat and the second mounting seat are detachably connected.

[0020] The beneficial effects of the utility model are as follows: through the interval arrangement of the two cutting color mark sensors, the two transversely spaced color mark blocks close to the cutting position on the laminated plate can be recognized; since the length direction of the cutting fine adjustment track is consistent with the conveying direction of the laminated plate, the cutting fine adjustment driving mechanism drives the cutting knife frame to move along the cutting fine adjustment track; in this process, fine adjustment of the front and rear positions of the cutting knife frame can be realized, and then the overall fine adjustment of the front and rear positions of the two cutting color mark sensors can be realized, so that different cutting position requirements can be met according to actual conditions, and the accuracy of the transverse cutting position of the laminated plate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of the working state of the utility model;

[0022] Figure 2 It is a structure schematic view of the working state of the utility model; Figure 1 It is a local enlarged structure schematic view of position A;

[0023] Figure 3 It is a structure schematic view of the first perspective of the utility model;

[0024] Figure 4 It is a structure schematic view of the working state of the utility model; Figure 3 It is a local enlarged structure schematic view of position B;

[0025] Figure 5 It is a structure schematic view of the working state of the utility model; Figure 4 It is a local enlarged structure schematic view of position C;

[0026] Figure 6 It is a structure schematic view of the second perspective of the utility model.

[0027] In the drawing: cutting knife frame 1; cutting fine adjustment track 2; laminated plate 3; mounting seat 4; first mounting seat 4.1; second mounting seat 4.2; cutting color mark sensor 5; cutting fine adjustment motor 6; cutting fine adjustment screw rod 7; cutting nut 8; moving block 9; adjusting screw rod 10; guide rod 11; support 12; operation part 13; sliding rail 14; sliding block 15; fixed cross rod 16; fine adjustment track 17; fine adjustment sliding block 18; edge cutting sensor support 19; edge cutting color mark sensor 20; edge cutting knife 21; connecting rod 22; connecting hole 23; edge cutting fine adjustment screw rod 24; edge cutting fine adjustment nut 25; edge cutting fine adjustment motor 26; positioning seat 27; positioning hole 28. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be briefly introduced below in combination with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the drawings is only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings. It should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.

[0029] Embodiment 1:

[0030] As shown in Figures 1-6 The present embodiment provides a film-coated plate cutting fine adjustment mechanism, which comprises a rack, a cutting knife holder 1 and a cutting fine adjustment driving mechanism, the rack is provided with a cutting fine adjustment track 2, the length direction of the cutting fine adjustment track 2 is consistent with the conveying direction of the film-coated plate 3, the cutting fine adjustment driving mechanism drives the cutting knife holder 1 to move along the cutting fine adjustment track 2, the cutting knife holder 1 is provided with a cutting sensor support, two cutting color mark sensors 5 are arranged on the cutting sensor support at intervals, and the cutting color mark sensors 5 are used to identify the mark color blocks close to the cutting position on the film-coated plate 3.

[0031] The technical scheme, through the interval arrangement of the two cutting color mark sensors 5, can identify two transversely distributed mark color blocks close to the cutting position on the film-coated plate 3, since the length direction of the cutting fine adjustment track 2 is consistent with the conveying direction of the film-coated plate 3, the cutting fine adjustment driving mechanism drives the cutting knife holder 1 to move along the cutting fine adjustment track 2, in this process, the fine adjustment of the front and rear positions of the cutting knife holder 1 can be realized, and then the overall fine adjustment of the front and rear positions of the two cutting color mark sensors 5 can be realized, so as to meet different cutting position requirements according to actual conditions, and the accuracy of the transverse cutting position of the film-coated plate 3 is improved.

[0032] Embodiment 2:

[0033] The present embodiment is optimized on the basis of the above-mentioned embodiment 1.

[0034] In order to improve the reliability and stability of the fine adjustment of the cutting knife holder 1, the cutting fine adjustment driving mechanism comprises a cutting fine adjustment motor 6, a cutting fine adjustment lead screw 7 and a cutting nut 8, the cutting fine adjustment motor 6 is fixed on the rack, the cutting fine adjustment motor 6 drives the cutting fine adjustment lead screw 7 to rotate, the cutting fine adjustment lead screw 7 is threadedly matched with the cutting nut 8, and the cutting nut 8 is fixedly connected with the cutting knife holder 1.

[0035] Embodiment 3:

[0036] The present embodiment is optimized on the basis of the above-mentioned embodiment 2.

[0037] In order to adapt to the specific identification position of the two mark color blocks transversely and spaced apart on the film-coated plate 3, the cutting sensor support includes a mounting seat 4, a moving block 9, an adjusting screw rod 10, a guide rod 11 and a support 12. Both ends of the adjusting screw rod 10 are rotatably connected with the mounting seat 4. An operating part 13 is arranged at one end of the adjusting screw rod 10 extending out of the mounting seat 4. The upper end of the support 12 is fixedly connected with the moving block 9. The moving block 9 is threadedly connected with the adjusting screw rod 10. The guide rod 11 is arranged on the mounting seat 4. The moving block 9 is slidably connected with the guide rod 11. The extending directions of the guide rod 11 and the adjusting screw rod 10 are the same as the conveying direction of the film-coated plate 3. The cutting color sensor 5 is arranged at the lower end of the support 12.

[0038] By arranging the mounting seat 4, the moving block 9, the adjusting screw rod 10, the guide rod 11 and the support 12, when it is necessary to manually adjust the cutting color sensor 5, the operating part 13 is directly screwed to drive the adjusting screw rod 10 to rotate, thereby driving the moving block 9 to move along the guide rod 11, so that the front and rear positions of the cutting color sensor 5 on the support 12 can be further finely adjusted.

[0039] Embodiment 4:

[0040] This embodiment is optimized on the basis of the above-mentioned embodiment 3.

[0041] In order to adjust the left and right positions of the cutting color sensor 5 on the mounting seat 4, a sliding rail 14 is arranged on the cutting knife holder 1 along the length direction thereof. A sliding block 15 is arranged on the mounting seat 4. The sliding block 15 is slidably connected with the sliding rail 14.

[0042] Embodiment 5:

[0043] This embodiment is optimized on the basis of the above-mentioned embodiment 4.

[0044] The cutting edge fine adjustment mechanism is arranged in front of the cutting knife holder 1. The cutting edge fine adjustment mechanism includes a fixed cross rod 16, a fine adjustment support 12 and a cutting edge fine adjustment driving mechanism. The length direction of the fixed cross rod 16 is perpendicular to the conveying direction of the film-coated plate 3. A fine adjustment rail 17 is arranged on the fixed cross rod 16. A fine adjustment sliding block 18 is arranged on the fine adjustment support 12 and slidably connected with the fine adjustment rail 17. A cutting edge sensor support 19 is arranged on the inner side of the fine adjustment support 12 close to one end of the fine adjustment support 12. Two cutting edge color sensors 20 are arranged on the cutting edge sensor support 19 in parallel along the conveying direction of the film-coated plate 3. The cutting edge color sensors 20 are used to identify the mark color blocks on the side edges of the film-coated plate 3. A cutting edge knife 21 is arranged on the fine adjustment support 12. The cutting edge fine adjustment driving mechanism drives the fine adjustment support 12 to move along the fine adjustment rail 17.

[0045] After the plate is coated, the coated plate 3 needs to be edge cut. The current edge cutting mechanism of the coated plate 3 is fixed position edge cutting. During the conveying process of the coated plate 3, the position of the coated plate 3 will deviate left and right due to factors such as equipment vibration or feeding deviation. The existing edge cutting mechanism of the coated plate 3 cannot adapt to the edge cutting of the coated plate 3 after the position deviation, and there is a problem of inaccurate edge cutting.

[0046] When fine adjustment of the edge cutting position is needed, the fine adjustment driving mechanism drives the fine adjustment support 12 to move along the fine adjustment track 17. During this process, the position of the fixed cross bar 16 is fixed. The fixed cross bar 16 is installed on the equipment rack, and the length direction of the fixed cross bar 16 is perpendicular to the conveying direction of the coated plate 3. When the equipment is working, the coated plate 3 will pass above the fixed cross bar 16. Since the inner side of the fine adjustment support 12 is close to the position of one end of the fine adjustment support 12, the edge cutting sensor support 19 is provided on the fine adjustment support 12. Two edge cutting color mark sensors 20 are provided on the edge cutting sensor support 19 and arranged side by side along the conveying direction of the coated plate. After the two edge cutting color mark sensors 20 recognize the corresponding mark color blocks on the side edges of the coated plate 3, the edge cutting fine adjustment driving mechanism stops driving the fine adjustment support 12 horizontally, that is, the fine adjustment support 12 has been adjusted to the position. Since the edge cutting knife 21 is arranged on the fine adjustment support 12, the edge cutting knife 21 has also been adjusted to the appropriate edge cutting position. Then, during the conveying process of the coated plate 3, the edge cutting knife 21 can accurately cut the coated plate 3, thereby improving the accuracy of the edge cutting of the coated plate 3.

[0047] Embodiment 6:

[0048] This embodiment is an optimization based on the above-mentioned embodiment 5.

[0049] In order to improve the matching degree of the fine adjustment of the length direction edge cutting position and the width direction cutting position of the coated plate 3, a connecting rod 22 is arranged on the edge cutting sensor support 19. The connecting rod 22 is perpendicular to the length direction of the cutting knife holder 1. A connecting hole 23 is arranged on the mounting seat 4, and the connecting rod 22 is located in the connecting hole 23.

[0050] While fine adjusting the left and right positions of the two edge cutting color mark sensors 20, the left and right positions of the two cutting color mark sensors 5 are synchronously fine adjusted through the connection of the connecting rod 22 and the connecting hole 23. The perpendicularity of the connecting rod 22 and the cutting knife holder 1 can ensure the perpendicularity of the vertical cutting and horizontal cutting of the coated plate 3. In addition, the connecting rod 22 is located in the connecting hole 23, that is, when fine adjusting the front and back positions of the cutting color mark sensor 5, the position of the edge cutting color mark sensor 20 will not be affected.

[0051] Embodiment 7:

[0052] This embodiment is an optimization based on the above-mentioned embodiment 5.

[0053] In order to improve the reliability of the trimming control, the trimming driving mechanism includes a trimming fine adjustment screw rod 24, a trimming fine adjustment nut 25 and a trimming fine adjustment motor 26, the trimming fine adjustment motor 26 drives the trimming fine adjustment screw rod 24 to rotate, the trimming fine adjustment nut 25 is installed on the trimming support 12, and the trimming fine adjustment screw rod 24 is in threaded cooperation with the trimming fine adjustment nut 25.

[0054] Embodiment 8:

[0055] This embodiment is an optimization based on the above-mentioned embodiment 5.

[0056] In order to provide a sensor that can easily detect the color block, the trimming color sensor 20 and the cutting color sensor 5 are both KS-C2 color sensors.

[0057] Embodiment 9:

[0058] This embodiment is an optimization based on the above-mentioned embodiment 5.

[0059] In order to set the length and number of the trimming tracks 17 as needed, the trimming tracks 17 include first trimming tracks and second trimming tracks, which are respectively arranged on the fixed crossbar 16 near the two ends.

[0060] Embodiment 10:

[0061] This embodiment is an optimization based on the above-mentioned embodiment 3.

[0062] In order to be able to select the synchronous adjustment or separate adjustment of the left and right positions of the two cutting color sensors 5 as needed, the mounting seat 4 includes a first mounting seat 4.1 and a second mounting seat 4.2, which are detachably connected. Specifically, positioning seats 27 can be arranged on the first mounting seat 4.1 and the second mounting seat 4.2, and positioning holes 28 are arranged on the positioning seats 27. The first mounting seat 4.1 and the second mounting seat 4.2 are connected through a horizontal rod (not shown in the figure) that horizontally passes through the two positioning holes 28. When it is needed to separately adjust the positions of the two cutting color sensors 5, the horizontal rod (not shown in the figure) can be pulled out of the positioning holes 28 to separate the first mounting seat 4.1 and the second mounting seat 4.2, and the left and right positions of the two cutting color sensors 5 can be adjusted separately.

[0063] Since the size of the film-coated plate 3 is large, in order to adjust the trimming position while synchronously adjusting the back slotting position of the film-coated plate 3, the trimming support 12 is provided with a plate back slotting mechanism 26 to facilitate the folding of the film-coated plate 3.

[0064] It should be explained finally: above only is the preferred embodiment of the utility model, and is not used for limiting the protection scope of the utility model. Any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A micro-adjustment mechanism for cutting coated sheet materials, characterized in that: The device includes a frame, a cutting blade holder, and a cutting fine-tuning drive mechanism. The frame is equipped with a cutting fine-tuning track, the length of which is aligned with the conveying direction of the laminated sheet. The cutting fine-tuning drive mechanism drives the cutting blade holder to move along the cutting fine-tuning track. The cutting blade holder is equipped with a cutting sensor bracket, and two cutting color mark sensors are spaced apart on the cutting sensor bracket. The cutting color mark sensors are used to identify the marker color blocks on the laminated sheet near the cutting position.

2. The film-coated board cutting fine adjustment mechanism according to claim 1, characterized by: The cutting fine-tuning drive mechanism includes a cutting fine-tuning motor, a cutting fine-tuning screw, and a cutting nut. The cutting fine-tuning motor is fixed on the frame and drives the cutting fine-tuning screw to rotate. The cutting fine-tuning screw is threadedly engaged with the cutting nut, and the cutting nut is fixedly connected to the cutting blade holder.

3. The mechanism according to claim 2, wherein: The cutting sensor bracket includes a mounting base, a movable block, an adjusting screw, a guide rod, and a support. Both ends of the adjusting screw are rotatably connected to the mounting base. An operating part is provided at the end of the adjusting screw extending out of the mounting base. The upper end of the support is fixedly connected to the movable block. The movable block is threadedly connected to the adjusting screw. The guide rod is mounted on the mounting base. The movable block and the guide rod are slidably engaged. The extension directions of the guide rod and the adjusting screw are the same as the conveying direction of the coated sheet. The cutting color mark sensor is located at the lower end of the support.

4. The mechanism according to claim 3, wherein: The cutting blade holder is provided with a slide rail along its length, and the mounting base is provided with a slider, which slides in cooperation with the slide rail.

5. The mechanism according to claim 4, wherein: It also includes a trimming fine-tuning mechanism, which is located in front of the cutting blade holder. The trimming fine-tuning mechanism includes a fixed crossbar, a fine-tuning bracket, and a trimming fine-tuning drive mechanism. The length direction of the fixed crossbar is perpendicular to the conveying direction of the coated sheet. The fixed crossbar is provided with a fine-tuning track. The fine-tuning bracket is provided with a fine-tuning slider that slides with the fine-tuning track. A trimming sensor bracket is provided on the inner side of the fine-tuning bracket near one end of the fine-tuning bracket. The trimming sensor bracket is provided with two trimming color mark sensors arranged side by side along the conveying direction of the coated sheet. The trimming color mark sensors are used to identify the marked color blocks on the side of the coated sheet. A trimming blade is provided on the fine-tuning bracket. The trimming fine-tuning drive mechanism drives the fine-tuning bracket to move along the fine-tuning track.

6. The mechanism according to claim 5, wherein: The edge-cutting sensor bracket is provided with a connecting rod, which is perpendicular to the length direction of the cutting blade holder. The mounting base is provided with a connecting hole, and the connecting rod is located in the connecting hole.

7. The mechanism according to claim 5, wherein: The edge trimming fine-tuning drive mechanism includes an edge trimming fine-tuning screw, an edge trimming fine-tuning nut, and an edge trimming fine-tuning motor. The edge trimming fine-tuning motor drives the edge trimming fine-tuning screw to rotate. The edge trimming fine-tuning nut is mounted on the fine-tuning bracket, and the edge trimming fine-tuning screw and the edge trimming fine-tuning nut are threaded together.

8. The mechanism according to claim 5, wherein: The trimming color mark sensor and the cutting color mark sensor are both model KS-C2 color mark sensors.

9. The mechanism according to claim 5, wherein: The fine-tuning track includes a first fine-tuning track and a second fine-tuning track, which are respectively set on the fixed crossbar near both ends.

10. The mechanism according to claim 3, wherein: The mounting base includes a first mounting base and a second mounting base, which are detachably connected.

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