Image scanning device based on printing equipment

Abstract

The utility model relates to the technical field of printing equipment, in particular to an image scanning device based on printing equipment, which comprises a machine body, a vertical frame is fixed in the middle of the upper end of the machine body, and a scanning mechanism is arranged on the vertical frame and used for image scanning. A guide arm is fixed at the lower end of the shaft rod; a guide groove is formed in the guide arm; a lower cam is slidably mounted in the guide groove; an upper cam is rotatably mounted at the upper end of the lower cam and is positioned in the vortex-shaped groove; a servo motor is mounted at the top of the front end of the shaft bracket and used for driving the shaft rod to rotate; by optimizing a transmission mechanism and a guide system, dead-angle-free flexible scanning is realized, the detection precision and range adaptability are improved, the structure is simplified, the motion stability is ensured, and the complex track requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely is a kind of image scanning device based on printing equipment. BACKGROUND

[0002] The image scanning device of printing equipment is a composite system combined with traditional printing technology and modern digital image acquisition function, mainly used for obtaining high-precision image data synchronously or offline in the printing process, realizing quality detection, color management, digital archiving and other applications;

[0003] According to the patent No. CN216673088U, a publication printing color management scanning device is disclosed, which includes a base, a sliding groove is formed in the upper wall of the base, a feed inlet is fixedly connected to the left wall of the base, an installation slot is formed in the lower bottom of the sliding groove, a limiting slot is formed in the installation slot, and a rotating shaft is arranged in the limiting slot. The technical scheme of the present application has the technical effects of realizing the sliding of ink through the inclined surface of the sliding groove onto the conveying belt for conveying, scanning and storing information of the ink by the scanner above the conveying belt, avoiding the problems of manual statistics of the ink after purchasing a large amount of ink in the printing factory, large amount of statistical data, long time consumption, more labor cost and easy errors.

[0004] The existing printing equipment image scanning device has the problems of complex motion mechanism and insufficient flexibility in the scanning process. The traditional X-Y guide rail structure needs to be adjusted multiple times to realize complex path scanning, resulting in large equipment size, low scanning efficiency and difficulty in realizing full-coverage scanning without dead angles. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides an image scanning device based on printing equipment, which realizes flexible scanning without dead angles by optimizing the transmission mechanism and guide system, improves detection accuracy and range adaptability, simplifies the structure and ensures motion stability, and meets the complex trajectory requirements.

[0006] To achieve the above purposes, the utility model is implemented by the following technical solutions: an image scanning device based on printing equipment, comprising a machine body, a stand is fixed to the upper middle part of the machine body, and a scanning mechanism is arranged on the stand for image scanning, the scanning mechanism comprises:

[0007] The driving assembly comprises a shaft support fixed at the front end of the stand, a circular plate is fixed at the bottom of the front end of the shaft support, a vortex type groove is formed in the circular plate, a shaft rod is rotatably arranged in the center of the circular plate, a guide arm is fixed at the lower end of the shaft rod, a guide groove is formed in the guide arm, a lower cam is slidably arranged in the guide groove, an upper cam is rotatably arranged at the upper end of the lower cam and located in the vortex type groove, and a servo motor is arranged at the top of the front end of the shaft support and used for driving the shaft rod to rotate;

[0008] The limiting assembly is arranged on the circular plate and used for limiting the guide;

[0009] The collecting assembly is arranged on the limiting assembly and used for collecting images.

[0010] Preferably, the limiting assembly comprises a sliding block rotatably arranged at the lower end of the lower cam, a frame is fixed outside the circular plate, a first guide rod is slidably arranged on the sliding block and penetrates through the sliding block from front to back, and a second guide rod is slidably arranged on the sliding block and penetrates through the sliding block from left to right.

[0011] Preferably, the limiting assembly further comprises first sliding grooves formed at the front end and the rear end of the frame, first guide wheels are rotatably arranged at the two ends of the first guide rod and located in the first sliding grooves, second sliding grooves are formed at the left end and the right end of the frame, and second guide wheels are rotatably arranged at the two ends of the second guide rod and located in the second sliding grooves.

[0012] Preferably, the collecting assembly comprises a mounting bracket fixed at the lower end of the sliding block, a face array camera is arranged at the front end of the mounting bracket, an optical lens is fixed at the lower end of the mounting bracket, and LED linear light sources are fixed at the two sides of the lower end of the mounting bracket.

[0013] Preferably, a conveying component is arranged at the left side of the upper end of the machine body, and a printing component is arranged at the right side of the upper end of the machine body.

[0014] Preferably, the surfaces of the lower cam and the upper cam are provided with a composite layer structure.

[0015] Advantages

[0016] Compared with the prior art, the image scanning device based on the printing equipment has the following advantages:

[0017] 1. The shaft rod drives the guide arm to rotate through the output end of the servo motor, the guide arm drives the lower cam to slide in the guide groove, the lower cam drives the upper cam to slide in the vortex type groove, the collecting assembly on the sliding block is driven by the upper cam through the lower cam to move along the track of the vortex type groove, so that the image scanning of any area directly below the circular plate can be performed, there is no scanning dead angle, the scanning flexibility and range adaptability are improved, and only single-axis rotation is needed to realize a complex path, without the need of adjusting the direction for multiple times, and the large structure of the traditional X-Y guide rail is saved.

[0018] 2、When the slider moves, it slides along the first guide rod and the second guide rod, and the first guide rod and the second guide rod slide along the first sliding groove and the second sliding groove respectively; the first sliding groove guides and positions the first guide rod through the first guide wheel, and the second sliding groove guides and positions the second guide rod through the second guide wheel; the moving precision of the slider driving the collection assembly is ensured, and deviation caused by inertia or load is avoided; and through the orthogonal layout of the first guide rod and the second guide rod front and back + left and right, a "cross rail" effect is formed, which completely restricts the rotation freedom of the slider and only allows in-plane translation. BRIEF DESCRIPTION OF DRAWINGS

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

[0020] Figure 2 It is a structure schematic diagram of the scanning mechanism in the utility model;

[0021] Figure 3 It is a structure schematic diagram of the scanning mechanism inside in the utility model;

[0022] Figure 4 It is a structure schematic diagram of the driving assembly in the utility model;

[0023] Figure 5 It is a structure schematic diagram of the collection assembly in the utility model.

[0024] In the drawing: 1, machine body; 2, stand; 3, scanning mechanism; 31, driving assembly; 311, shaft support; 312, round plate; 313, vortex groove; 314, shaft; 315, guide arm; 316, guide groove; 317, lower cam; 318, upper cam; 319, servo motor; 32, limiting assembly; 321, slider; 322, frame; 323, first guide rod; 324, second guide rod; 325, first sliding groove; 326, first guide wheel; 327, second sliding groove; 328, second guide wheel; 33, collection assembly; 331, mounting bracket; 332, area array camera; 333, optical lens; 334, LED linear light source; 4, conveying component; 5, printing component. DETAILED DESCRIPTION

[0025] 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, not 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 scope of protection of the utility model.

[0026] Please refer to Figure 1 - Figure 5The utility model provides a kind of technical scheme: an image scanning device based on printing equipment, including body 1, fixed with stand 2 in the middle of body 1 upper end, scanning mechanism 3 is provided on stand 2 and is used for image scanning, scanning mechanism 3 includes:

[0027] Drive assembly 31, including the shaft bracket 311 fixed in the front end of stand 2, the bottom of the front end of shaft bracket 311 is fixed with round plate 312, round plate 312, vortex type groove 313 is opened in the inside of round plate 312, shaft rod 314 is rotatably installed in the center of round plate 312, guide arm 315 is fixed with the lower end of shaft rod 314, guide groove 316 is opened in the inside of guide arm 315, lower cam 317 is slidably installed in the inside of guide groove 316, upper cam 318 is rotatably installed on the upper end of lower cam 317 and located in the inside of vortex type groove 313, servo motor 319 is installed on the top of the front end of shaft bracket 311 and is used to drive shaft rod 314 rotation;

[0028] Limiting component 32 is set on round plate 312 and is used for limiting guide;

[0029] Collection component 33 is set on limiting component 32 and is used for collecting image.

[0030] In the embodiment, the output end of servo motor 319 drives shaft rod 314 to rotate, and guide arm 315 drives lower cam 317 to slide along the inside of guide groove 316, while lower cam 317 drives upper cam 318 to slide along the inside of vortex type groove 313, so that upper cam 318 drives collection component 33 on slider 321 to move along the track of vortex type groove 313 through lower cam 317, so that image scanning can be carried out on any area directly below round plate 312, without scanning dead angle, improving scanning flexibility and range adaptability;And, complex path can be realized by single-axis rotation only, without the need for multiple direction adjustments, and the large structure of traditional X-Y guide rail is saved.

[0031] Specifically, limiting component 32 includes slider 321 rotatably installed on the lower end of lower cam 317, frame 322 is fixed outside round plate 312, first guide rod 323 is slidably installed on slider 321 in front and back, and second guide rod 324 is slidably installed on slider 321 in left and right.

[0032] In the embodiment, when slider 321 moves, it slides along first guide rod 323 and second guide rod 324, and first guide rod 323 and second guide rod 324 slide along first sliding groove 325 and second sliding groove 327 respectively, through the orthogonal layout of first guide rod 323 and second guide rod 324 in front and back + left and right, the effect of "cross guide rail" is formed, the rotational degree of freedom of slider 321 is completely limited, and only in-plane translation is allowed.

[0033] Specific, limit component 32 still includes the first sliding groove 325 opened at the front and back of the frame 322, both ends of the first guide rod 323 are rotatably installed with the first guide wheel 326 and are located inside the first sliding groove 325, both ends of the frame 322 are provided with the second sliding groove 327, both ends of the second guide rod 324 are rotatably installed with the second guide wheel 328 and are located inside the second sliding groove 327.

[0034] In the embodiment, the first sliding groove 325 guides and limits the first guide rod 323 through the first guide wheel 326, and the second sliding groove 327 guides and limits the second guide rod 324 through the second guide wheel 328; the moving precision of the sliding block 321 driving the collection component 33 is ensured, and deviation caused by inertia or load is avoided.

[0035] Specifically, the collection component 33 includes a mounting bracket 331 fixed to the lower end of the sliding block 321, a face array camera 332 mounted at the front end of the mounting bracket 331, an optical lens 333 fixed to the lower end of the mounting bracket 331, and LED linear light sources 334 fixed to both sides of the lower end of the mounting bracket 331.

[0036] In the embodiment, the face array camera 332, in combination with the optical lens 333 and the LED linear light source 334, provides uniform illumination and high-definition image collection, and optimizes the scanning quality.

[0037] Specifically, the upper left side of the machine body 1 is provided with a conveying component 4, and the upper right side of the machine body 1 is provided with a printing component 5.

[0038] Specifically, the surface of the lower cam 317 and the surface of the upper cam 318 are provided with a composite layer structure.

[0039] In the embodiment, the base layer of the composite layer structure is an electroplated nickel layer, the intermediate layer is a nickel-based graphene composite layer, and the surface layer is a polytetrafluoroethylene-based composite layer, which realizes ultra-low friction, high wear resistance and excellent environmental adaptability, significantly prolongs the service life of the cam, ensures the scanning precision and stability, and effectively reduces the equipment maintenance cost.

[0040] The working principle and use process of the utility model are as follows: first, the output shaft of the servo motor 319 drives the guide arm 315 to rotate through the output shaft, the guide arm 315 drives the lower cam 317 to slide along the guide groove 316 inside, and the lower cam 317 drives the upper cam 318 to slide along the vortex type groove 313 inside, so that the upper cam 318 drives the collection component 33 on the sliding block 321 to move along the track of the vortex type groove 313 through the lower cam 317, thereby the image scanning of any area directly below the circular plate 312 can be realized, there is no scanning dead angle, the scanning flexibility and range adaptability are improved; and only single-axis rotation is needed to realize a complex path, without the need for multiple direction adjustments, and the large structure of the traditional X-Y guide rail is saved.

[0041] Meanwhile, when the slider 321 moves, it slides along the first guide rod 323 and the second guide rod 324, and the first guide rod 323 and the second guide rod 324 slide along the first sliding groove 325 and the second sliding groove 327 respectively; the first sliding groove 325 guides and limits the first guide rod 323 through the first guide wheel 326, and the second sliding groove 327 guides and limits the second guide rod 324 through the second guide wheel 328; the moving precision of the slider 321 driving the collection assembly 33 is ensured, and deviation caused by inertia or load is avoided; and through the orthogonal layout of the first guide rod 323 and the second guide rod 324 in front and back and left and right, a "cross guide rail" effect is formed, which completely limits the rotation freedom degree of the slider 321 and only allows in-plane translation.

[0042] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0043] Although the embodiments of the present application 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 present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A printing equipment based image scanning device comprising a body (1) having a stand (2) fixed at the middle of the upper end of the body (1), characterized in that: The stand (2) is provided with a scanning mechanism (3) and is used for image scanning. The driving assembly (31) comprises a shaft support (311) fixed at the front end of the stand (2), a circular plate (312) is fixed at the bottom of the front end of the shaft support (311), a vortex type groove (313) is formed in the circular plate (312), a shaft rod (314) is rotatably installed at the center of the circular plate (312), a guide arm (315) is fixed at the lower end of the shaft rod (314), a guide groove (316) is formed in the guide arm (315), a lower cam (317) is slidably installed in the guide groove (316), an upper cam (318) is rotatably installed at the upper end of the lower cam (317) and located in the vortex type groove (313), and a servo motor (319) is installed at the top of the front end of the shaft support (311) and used for driving the shaft rod (314) to rotate. The limiting assembly (32) is arranged on the circular plate (312) and is used for limiting the guide. The collecting assembly (33) is arranged on the limiting assembly (32) and is used for collecting images.

2. A print engine based image scanning apparatus as claimed in claim 1, wherein: The limiting assembly (32) comprises a sliding block (321) rotatably installed at the lower end of the lower cam (317), a frame (322) is fixed outside the circular plate (312), a first guide rod (323) is slidably installed on the sliding block (321) and penetrates through the front and back of the sliding block (321), and a second guide rod (324) is slidably installed on the sliding block (321) and penetrates through the left and right of the sliding block (321).

3. A print engine based image scanning apparatus as claimed in claim 2, wherein: The limiting assembly (32) further comprises first sliding grooves (325) formed at the front and back ends of the frame (322), first guide wheels (326) are rotatably installed at the two ends of the first guide rod (323) and located in the first sliding grooves (325), second sliding grooves (327) are formed at the left and right ends of the frame (322), and second guide wheels (328) are rotatably installed at the two ends of the second guide rod (324) and located in the second sliding grooves (327).

4. The image scanning apparatus based on a printing device according to claim 1, characterized in that: The collecting assembly (33) comprises a mounting frame (331) fixed at the lower end of the sliding block (321), a face array camera (332) is installed at the front end of the mounting frame (331), an optical lens (333) is fixed at the lower end of the mounting frame (331), and LED linear light sources (334) are fixed at the lower end of the mounting frame (331) and on both sides of the lower end of the mounting frame (331).

5. A print engine based image scanning apparatus as claimed in claim 1, wherein: The upper end left side of the machine body (1) is provided with a conveying component (4), and the upper end right side of the machine body (1) is provided with a printing component (5).

6. A print engine based image scanning apparatus as claimed in claim 1, wherein: The surfaces of the lower cam (317) and the upper cam (318) are provided with a composite layer structure.

Images