Visual positioning printer with UV conveying belt

Abstract

The utility model discloses a UV conveying belt visual positioning printer, which relates to the technical field of UV printers and comprises a rack, a feeding belt line, a discharging belt line, a feeding mechanism, a printing feeding conveying line and a feeding height limiting mechanism. Two linear sliding tables are further arranged at the upper end of the rack, each linear sliding table is connected with a visual inspection mechanism and a printing mechanism, and the feeding height limiting mechanism comprises a fixing seat, an adjusting screw rod, an adjusting knob and a height limiting plate; the visual detection mechanism comprises an adjusting base, a sliding base, a positioning base, a threaded base, a hollow stepping motor, a lifting screw and visual detection equipment, automatic product conveying and feeding operation can be achieved, the complexity of manual feeding is avoided, the working efficiency is improved, and due to detection interception of the feeding height limiting mechanism, the production efficiency is improved. The height of a product conveyed on the conveying belt can be detected and intercepted, the situation that the product is too high on the conveying belt and collides with subsequent visual detection equipment and a printing mechanism is avoided, and the safety of printing operation is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to UV printer technical field especially relates to a UV conveying belt visual positioning printer. BACKGROUND

[0002] UV printing technology is a kind of printing technology using ultraviolet light curing principle, and traditional printing technology (such as solvent or water-based ink) relies on the volatilization or drying process of ink, while UV printing uses ultraviolet lamp to instantly cure ink, so that the printed image dries and stabilizes in a short time, and the UV conveying belt visual positioning printer is a high-precision printing equipment combining UV printing technology and visual identification system, widely used in industry, manufacturing, electronics, advertising, packaging and other fields.

[0003] The visual positioning system is an important part of the UV conveying belt visual positioning printer, which mainly realizes accurate positioning and alignment through camera, light source and computer image processing software, and the system can scan objects on the conveying belt in real time and accurately position according to the preset target.

[0004] The UV conveying belt visual positioning printer is equipped with a conveying belt, which is usually used for long-time and efficient continuous production, and the conveying belt is used to stably convey the objects to be printed (such as products, packaging, etc.) to the printing head for accurate printing.

[0005] In the existing printing process, the objects to be printed are placed on the conveying belt by manpower, and are transmitted to the visual positioning system and printing system for printing operation. However, manual operation to place the objects is not only slow, but also the placed objects are not regular enough, and it is easy to have different heights. When the higher objects are conveyed on the conveying belt, they are easy to collide with the visual positioning system or printing equipment, which may affect the printing effect or even damage the equipment. Therefore, the utility model provides a UV conveying belt visual positioning printer. UTILITY MODEL CONTENT

[0006] In view of the deficiencies of the prior art, the utility model provides a UV conveying belt visual positioning printer to solve the problems in the above background art.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme: a UV conveying belt visual positioning printer, comprising a rack and a feeding belt line and a discharging belt line located at both ends of the rack, an upper feeding mechanism is installed on the upper end of the rack near the feeding belt line, and a printing feeding conveying line is arranged in the middle of the upper end of the rack, and an upper feeding height limiting mechanism for limiting the height of the printed product is installed on one side of the upper end of the rack near the upper feeding mechanism.

[0008] The upper end of the rack is further provided with two linear sliding tables, and a visual detection mechanism and a printing mechanism are respectively connected to each linear sliding table.

[0009] The visual detection mechanism comprises an adjusting seat and a sliding seat connected to the linear sliding table, the linear sliding table can control the sliding seat to move linearly on its side surface, a positioning seat is vertically installed on the top end of the outer side surface of the sliding seat, one end of the positioning seat is fixedly provided with a threaded seat, the inner top end of the adjusting seat is provided with a hollow stepping motor, a lifting screw rod is fixedly arranged in the hollow shaft of the hollow stepping motor, the lower end of the lifting screw rod penetrates through the threaded seat and is threadedly connected thereto, the bottom end of the lifting screw rod is rotatably connected to the inner side of the adjusting seat, and a visual detection device is installed on the inner bottom of the adjusting seat.

[0010] As a further technical scheme of the present application, a limiting sliding groove is vertically arranged on the side surface of the adjusting seat corresponding to the positioning seat, and one end of the positioning seat extends out of the limiting sliding groove and can slide up and down in the limiting sliding groove.

[0011] As a further technical scheme of the present application, the visual detection mechanism further comprises a lower limit sensor and an upper limit sensor which are installed on the upper and lower parts of one side surface of the adjusting seat, and the lower limit sensor and the upper limit sensor are located below and above the sliding seat.

[0012] As a further technical scheme of the present application, the feeding mechanism comprises two supports which are jointly connected to the rack and the feeding belt line, linear modules are arranged on the two supports, and a movable plate which can move linearly is jointly connected to the two linear modules.

[0013] A plurality of material taking cylinders are installed on the upper surface of the movable plate at equal intervals, a material taking plate is connected to the extending end of each material taking cylinder and penetrates through the movable plate, and a plurality of material grabbing suction cups are distributed on the lower surface of the material taking plate at equal intervals.

[0014] As a further technical scheme of the present application, a limiting sliding rod is symmetrically installed on the upper end of each material taking plate, a sliding sleeve is arranged on the surface of the movable plate corresponding to each limiting sliding rod, and the top end of each limiting sliding rod penetrates through the sliding sleeve and is slidingly connected to the movable plate.

[0015] As a further technical scheme of the present application, the printing feeding conveying line comprises a main belt roller and a driven belt roller which are rotatably connected to the two ends of the rack, a conveying belt is jointly connected to the surfaces of the main belt roller and the driven belt roller, the conveying belt is located on the inner side of the upper end of the rack, a driving motor is installed on the side surface of the rack corresponding to one end of the main belt roller, and the output end of the driving motor is fixed to one end of the main belt roller.

[0016] As a further technical scheme of the utility model, the upper material feeding height limiting mechanism comprises fixed seats symmetrically installed on both sides of the upper end of the rack, an adjusting screw rod is arranged in each fixed seat, the top end of the adjusting screw rod penetrates through the fixed seat and extends to the top of the fixed seat and is connected with an adjusting knob, and the adjusting screw rod and the fixed seat are rotationally connected;

[0017] Two adjusting screw rods are commonly connected with a height limiting plate, the height limiting plate is located directly above the conveying belt, and the two ends of the height limiting plate are threadedly connected with the two adjusting screw rods.

[0018] The utility model provides a kind of UV conveying belt visual positioning printer, compared with prior art has the following beneficial effects:

[0019] 1, the UV conveying belt visual positioning printer of the design, using the cooperation of feeding belt line and upper material feeding mechanism, realize automatic conveying product and upper material feeding operation, avoid the tedious of artificial upper material feeding, improve work efficiency, and the detection interception of upper material feeding height limiting mechanism can detect and intercept the height of product conveyed on conveying belt, avoid the height of product on conveying belt being too high, and collide with subsequent visual detection equipment and printing mechanism, ensure the safety of printing operation.

[0020] 2, the UV conveying belt visual positioning printer of the design, using visual detection mechanism to product is automatically scanned, and after scanning, it can be accurately identified printing object, reduce error, facilitate printing mechanism to product is accurately surface printing, further improve product printing quality. DRAWINGS

[0021] Figure 1 It is a structure schematic view of a kind of UV conveying belt visual positioning printer;

[0022] Figure 2 It is a structure schematic view of upper material feeding mechanism in a kind of UV conveying belt visual positioning printer;

[0023] Figure 3 It is a structure schematic view of printing feed conveying line in a kind of UV conveying belt visual positioning printer;

[0024] Figure 4 It is a structure schematic view of visual detection mechanism in a kind of UV conveying belt visual positioning printer.

[0025] In the drawing: 1, rack;2, feeding belt line;3, upper material feeding mechanism;31, support;32, linear module;33, moving plate;34, material taking cylinder;35, material taking plate;36, material grabbing suction cup;37, limiting slide rod;

[0026] 4, print feed conveying line; 41, conveying belt; 42, main belt roller; 43, driving motor; 44, driven belt roller;

[0027] 5, fixed seat; 51, adjusting screw; 52, adjusting knob; 53, height limiting plate;

[0028] 6, visual detection mechanism; 61, adjusting seat; 62, lower limit sensor; 63, upper limit sensor; 64, hollow stepping motor; 65, lifting screw; 66, visual detection device; 67, sliding seat; 68, positioning seat; 69, threaded seat; 60, limiting sliding groove; 7, printing mechanism; 8, linear slide; 9, discharging belt line. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figures 1-4 The present application provides a kind of UV conveying belt visual positioning printer technical scheme: a kind of UV conveying belt visual positioning printer, including rack 1 and the feed belt line 2 and discharging belt line 9 located at the both ends of rack 1, feed belt line 2 and discharging belt line 9 all adopt conventional conveying belt, purpose is used to transmit printing product, and the upper end of rack 1 middle part is provided with print feed conveying line 4, print feed conveying line 4 includes the main belt roller 42 and driven belt roller 44 rotationally connected at the both ends of rack 1, the surface of main belt roller 42 and driven belt roller 44 is connected with conveying belt 41, conveying belt 41 is located in the upper end of rack 1 inner side, the side of rack 1 corresponds to the end of main belt roller 42 and is equipped with driving motor 43, the output end of driving motor 43 is fixed with the end of main belt roller 42, the rotation of main belt roller 42 is controlled by driving motor 43, so as to drive conveying belt 41 to rotate by the cooperation of driven belt roller 44, it is convenient to transmit the product grabbed by upper feeding mechanism 3, it is convenient for subsequent detection printing.

[0031] The upper end of the rack 1 is provided with an upper feeding mechanism 3 near the feeding belt line 2. The upper end of the rack 1 is provided with an upper height limiting mechanism for limiting the height of the printed product near the upper feeding mechanism 3. The upper height limiting mechanism comprises two fixed seats 5 symmetrically installed on the upper end of the rack 1. Each fixed seat 5 is provided with an adjusting screw 51. The top end of the adjusting screw 51 penetrates through the fixed seat 5 and extends to the top of the fixed seat 5 and is connected with an adjusting knob 52. The adjusting screw 51 is rotationally connected with the fixed seat 5. The two adjusting screws 51 are jointly connected with a height limiting plate 53. The height limiting plate 53 is located above the conveying belt 41. The two ends of the height limiting plate 53 are threadedly connected with the two adjusting screws 51. By rotating the adjusting screws 51 at the top of the two fixed seats 5, the adjusting screws 51 can be rotated to drive the height limiting plate 53 to move linearly on the surface of the adjusting screws 51. In addition, a scale line is engraved on the side of the fixed seat 5 near the height limiting plate 53. The adjusting height of the height limiting plate 53 is convenient for the height of the product conveyed on the conveying belt 41 to be detected and intercepted, so as to avoid the product on the conveying belt 41 from colliding with the subsequent visual detection equipment 66 and the printing mechanism 7.

[0032] The upper end of the rack 1 is also provided with two linear slides 8. Each linear slide 8 is connected with a visual detection mechanism 6 and a printing mechanism 7. The printing mechanism 7 is a conventional printing device. The linear slides 8 can control the visual detection mechanism 6 and the printing mechanism 7 to move horizontally above the rack 1.

[0033] The visual detection mechanism 6 comprises an adjusting seat 61 and a sliding seat 67 connected with the linear sliding table 8, the linear sliding table 8 can control the linear movement of the sliding seat 67 on the side thereof, the outer side top end of the sliding seat 67 is vertically provided with a positioning seat 68, one end of the positioning seat 68 is fixedly provided with a threaded seat 69, the inner side top end of the adjusting seat 61 is provided with a hollow stepping motor 64, the hollow shaft of the hollow stepping motor 64 is fixedly provided with a lifting screw 65, the lower end of the lifting screw 65 penetrates through the threaded seat 69 and is threadedly connected with the threaded seat 69, the bottom end of the lifting screw 65 is rotatably connected with the inner side of the adjusting seat 61, the inner side bottom of the adjusting seat 61 is provided with a visual detection device 66, the side of the adjusting seat 61 is vertically provided with a limiting sliding groove 60 corresponding to the positioning seat 68, one end of the positioning seat 68 extends out of the limiting sliding groove 60 and can slide up and down in the inner side thereof, when it is needed to vertically adjust the visual detection mechanism 6, the hollow stepping motor 64 can be controlled to work, so that the lifting screw 65 is driven to rotate, since the lifting screw 65 is threadedly connected with the threaded seat 69 and the threaded seat 69 is fixed on the positioning seat 68, therefore, when the lifting screw 65 rotates, the adjusting seat 61 and the visual detection device 66 are vertically lifted, when the adjusting seat 61 is lifted, the positioning seat 68 is always in the limiting sliding groove 60, so that the stability of the lifting of the adjusting seat 61 is ensured, in this way, the vertical position adjustment of the visual detection device 66 is realized, it is necessary to supplement that the outer part of the adjusting seat 61 is provided with a protective shell for protecting the lifting screw 65 and the visual detection device 66, in addition, the vertical adjustment mode and principle of the printing mechanism 7 are the same as those of the visual detection mechanism 6.

[0034] The visual detection mechanism 6 further comprises a lower limiting sensor 62 and an upper limiting sensor 63 which are mounted on the upper and lower parts of one side of the adjusting seat 61, the lower limiting sensor 62 and the upper limiting sensor 63 are located below and above the sliding seat 67, the lower limiting sensor 62 and the upper limiting sensor 63 can be used to sense and monitor the vertical adjustment height of the visual detection device 66, when the upper limiting sensor 63 cannot sense the sliding seat 67, it means that the visual detection device 66 is below and directly faces the product for visual detection, when it is not needed to detect, the visual detection device 66 is adjusted to the upper side, at this time, the lower limiting sensor 62 cannot sense the sliding seat 67.

[0035] The feeding mechanism 3 comprises two supports 31 which are jointly connected to the rack 1 and the feeding belt line 2, the two supports 31 are provided with linear modules 32, the two linear modules 32 are jointly connected with a movable plate 33 which can move linearly, the upper surface of the movable plate 33 is installed with a plurality of material taking cylinders 34 at equal intervals, the extending end of each material taking cylinder 34 is connected with a material taking plate 35 which penetrates through the movable plate 33, the lower surface of the material taking plate 35 is distributed with a plurality of material grabbing suction cups 36 at equal intervals, the material grabbing suction cups 36 are connected with a negative pressure pump, when the material on the feeding belt line 2 is grabbed, the two linear modules 32 work together, the movable plate 33 is driven to move above the feeding belt line 2, then the material taking cylinders 34 are controlled to extend synchronously, the material taking plate 35 is pushed to move downwards to the product with the material grabbing suction cups 36, the product is adsorbed and grabbed by the material grabbing suction cups 36, then the material taking cylinders 34 are reset to move upwards, the linear modules 32 drive the movable plate 33 to move above the conveying belt 41 on the rack 1, then the material taking cylinders 34 extend to place the product on the conveying belt 41, the product is not adsorbed by the material grabbing suction cups 36, so that the material taking work is completed.

[0036] The upper end of each material taking plate 35 is symmetrically installed with a limiting slide rod 37, the surface of the movable plate 33 is provided with a sliding sleeve corresponding to each limiting slide rod 37, the top end of each limiting slide rod 37 penetrates through the sliding sleeve and is slidingly connected with the movable plate 33, when the material taking plate 35 is lifted by the material taking cylinder 34, the sliding work of the limiting slide rod 37 can improve the stability of the material taking plate 35 when it is lifted, and ensure the firmness of the product grabbing.

[0037] The working principle of the utility model is as follows: when in use, the product is placed on the feeding belt line 2, the product is conveyed to the feeding mechanism 3 by the feeding belt line 2, the product on the feeding belt line 2 is grabbed and transferred to the conveying belt 41 by the feeding mechanism 3, the product is conveyed by the conveying belt 41, the height of the product conveyed on the conveying belt 41 is detected and intercepted by the feeding height limiting mechanism, so that the product height on the conveying belt 41 is prevented from being too high to collide with the subsequent visual detection equipment 66 and the printing mechanism 7.

[0038] The product with a height not exceeding the limit is continuously conveyed to the visual detection mechanism 6 below by the conveying belt 41, the product is automatically scanned by the visual detection mechanism 6, the scanned product is automatically conveyed to below the printing mechanism 7, and the product is printed by the printing mechanism 7.

[0039] The above only describes the preferred embodiments of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model. The structures, devices and operation methods which are not specifically described and explained in the utility model, such as no special description and limitation, are implemented according to the conventional means in the field.

Claims

1. A UV conveyor belt vision positioning printer comprising a frame (1) and an infeed belt line (2) and an outfeed belt line (9) located at both ends of the frame (1), characterized in that, The upper end of the rack (1) is provided with an upper feeding mechanism (3) near the feeding belt line (2), and the upper end of the rack (1) is provided with a printing feeding conveying line (4) in the middle, and the upper end of the rack (1) is provided with an upper feeding height limiting mechanism for limiting the height of the printed product. The upper end of the rack (1) is also provided with two linear sliding tables (8), and each linear sliding table (8) is connected with a visual detection mechanism (6) and a printing mechanism (7). The visual detection mechanism (6) comprises an adjusting seat (61) and a sliding seat (67) connected with the linear sliding table (8), the linear sliding table (8) can control the sliding seat (67) to move linearly on its side, a positioning seat (68) is vertically installed on the top of the outer side of the sliding seat (67), one end of the positioning seat (68) is fixedly connected with a threaded seat (69), the inner top end of the adjusting seat (61) is provided with a hollow stepping motor (64), the hollow shaft of the hollow stepping motor (64) is fixedly connected with a lifting screw (65), the lower end of the lifting screw (65) penetrates through the threaded seat (69) and is threadedly connected with the threaded seat (69), the bottom end of the lifting screw (65) is rotatably connected with the inner side of the adjusting seat (61), and the inner bottom of the adjusting seat (61) is provided with a visual detection device (66).

2. A UV conveyor belt vision positioning printer according to claim 1, characterized in that, A limiting sliding groove (60) is vertically formed on the side of the adjusting seat (61) corresponding to the positioning seat (68), and one end of the positioning seat (68) extends out of the limiting sliding groove (60) and can slide up and down in the limiting sliding groove (60).

3. A UV conveyor belt vision positioning printer according to claim 1, wherein, The visual detection mechanism (6) further comprises a lower limit sensor (62) and an upper limit sensor (63) installed on the upper and lower sides of the adjusting seat (61), and the lower limit sensor (62) and the upper limit sensor (63) are located below and above the sliding seat (67).

4. The UV conveyor belt vision positioning printer of claim 1, wherein, The upper feeding mechanism (3) comprises two supports (31) connected with the rack (1) and the feeding belt line (2), and each support (31) is provided with a linear module (32), and the two linear modules (32) are jointly connected with a movable plate (33) which can move linearly. A plurality of material taking cylinders (34) are installed on the upper surface of the movable plate (33) at equal intervals, and the extension end of each material taking cylinder (34) is connected with a material taking plate (35) penetrating through the movable plate (33), and the lower surface of the material taking plate (35) is provided with a plurality of material grabbing suction cups (36) at equal intervals.

5. A UV conveyor belt vision positioning printer according to claim 4, wherein, A limiting sliding rod (37) is symmetrically installed on the upper end of each material taking plate (35), and a sliding sleeve is arranged on the surface of the movable plate (33) corresponding to each limiting sliding rod (37), and the top end of each limiting sliding rod (37) penetrates through the sliding sleeve and is slidingly connected with the movable plate (33).

6. A UV conveyor belt vision positioning printer according to claim 1, wherein, The printing feeding conveying line (4) comprises main belt rollers (42) and driven belt rollers (44) which are rotatably connected at both ends of the frame (1), the surfaces of the main belt rollers (42) and the driven belt rollers (44) are jointly connected with a conveying belt (41), the conveying belt (41) is located at the inner side of the upper end of the frame (1), a driving motor (43) is installed at the side of the frame (1) corresponding to one end of the main belt roller (42), and the output end of the driving motor (43) is fixed with one end of the main belt roller (42).

7. A UV conveyor belt vision positioning printer according to claim 6, wherein, The upper feeding height limiting mechanism comprises fixed seats (5) which are symmetrically installed at the upper ends of the frame (1), each fixed seat (5) is provided with an adjusting screw rod (51), the top end of the adjusting screw rod (51) penetrates through the fixed seat (5) and extends to the top of the fixed seat (5) and is connected with an adjusting knob (52), and the adjusting screw rod (51) is rotatably connected with the fixed seat (5); two adjusting screw rods (51) are jointly connected with a height limiting plate (53), the height limiting plate (53) is located directly above the conveying belt (41), and the two ends of the height limiting plate (53) are threadedly connected with the two adjusting screw rods (51) respectively.

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