Visual positioning printing device for high-transmittance glass

Abstract

The utility model discloses a high-transmittance glass visual positioning printing device which comprises a machine frame, a pneumatic clamp platen is installed on the machine frame, a plurality of pneumatic clamping jaws which are equally divided around the center are arranged on the top face of the pneumatic clamp platen, and a connecting pipe is arranged on the pneumatic clamp platen. A silk-screen printing mechanism is arranged at the top of the rack, a visual camera facing the top face of the pneumatic clamp platen is installed on one side of the silk-screen printing mechanism and connected with an external control center, and an adjusting mechanism for adjusting the angle of the pneumatic clamp platen is installed on the rack and controlled by the control center. During printing, the pneumatic clamping jaw clamps and positions the side part of the circular glass plate; then the visual camera shoots the circular glass plate on the pneumatic clamp table plate, the reserved spraying position of the circular glass plate is fixed, so that the position is fed back to a control center after being shot by the visual camera, the deviation condition of the circular glass plate is calculated, an adjusting mechanism conducts angle correction on the circular glass plate, and precise printing is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of household appliance glass processing, specifically relates to a high light transmission glass visual positioning printing device. BACKGROUND

[0002] High light transmission glass is widely used in many fields due to its excellent light transmission, strength and heat resistance, mainly including household appliances such as hot plates, microwave oven doors and oven doors, electronic device display screens and optical instruments.

[0003] When hot plate glass is processed, it needs to be printed after spraying a heat-resistant and scratch-resistant coating on the surface. The heat-resistant coating will reserve a printing position, such as printing brand logo, usage instructions, decoration and safety prompts, etc.

[0004] When printing, clamping and positioning are needed, but when clamping the circular glass plate, it is difficult to accurately position due to the deviation in angle when placing. Moreover, when the glass is placed on the platform, the glass will rub against the bottom support platform during subsequent clamping, affecting the high-definition display effect of the subsequent glass. UTILITY MODEL CONTENTS

[0005] The utility model provides a high light transmission glass visual positioning printing device, when printing, pneumatic clamping jaw clamps and positions the side of circular glass plate, then visual camera shoots the circular glass plate on the pneumatic clamping fixture platform, control center adjusts the angle of circular glass plate through calculating the deviation of circular glass plate, and the adjusting mechanism corrects the angle of circular glass plate, so as to realize precision printing and solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high light transmission glass visual positioning printing device, comprising a rack, the rack is equipped with a pneumatic clamping fixture platform, the top surface of the pneumatic clamping fixture platform is equipped with a plurality of pneumatic clamping jaws that are equally divided around the center, and the pneumatic clamping fixture platform is equipped with a connecting pipe;The top of the rack is equipped with a screen printing mechanism, one side of the screen printing mechanism is equipped with a visual camera towards the top surface of the pneumatic clamping fixture platform, the visual camera is connected with an external control center, the rack is equipped with an adjusting mechanism for adjusting the angle of the pneumatic clamping fixture platform, and the adjusting mechanism is controlled by the control center.

[0007] Preferably, the inner side of the pneumatic clamping jaw is equipped with an antiskid pad.

[0008] Preferably, the adjusting mechanism comprises a fixed plate fixed below the rack, a servo deceleration motor is installed on the fixed plate, the servo deceleration motor is controlled through the control center, a driving gear is fixed to an output shaft of the servo deceleration motor, a driven gear meshing with the driving gear is fixed to a bottom end of a rotating shaft penetrating through the rack and arranged at the center of the bottom surface of the pneumatic clamp table plate, and the rotating shaft is rotatably connected to the rack through a bearing.

[0009] Preferably, a plurality of supporting seats are arranged around the center of the bottom surface of the pneumatic clamp table plate, the bottom surface of each supporting seat is provided with a semispherical ball groove, and a ball is arranged below each ball groove and pressed against the top surface of the rack.

[0010] Preferably, the top of the rack is supported by a top plate through four vertical columns, two downward synchronous air cylinders are installed on the top plate, and the piston rods of the synchronous air cylinders are fixedly connected to the screen printing mechanism after penetrating through the top plate.

[0011] Preferably, the top surface of the pneumatic clamp table plate is smooth and flat, and a backing plate is arranged on the top surface of the pneumatic clamp table plate, the bottom surface of the backing plate is smooth, and an antiskid pad layer is installed on the top surface of the backing plate.

[0012] Preferably, the top surface of the pneumatic clamp table plate is provided with an annular protrusion, and the backing plate is arranged in the annular protrusion.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. During printing, the pneumatic clamping jaws clamp and position the side of the circular glass plate, then the vision camera photographs the circular glass plate on the pneumatic clamp table plate, the reserved spraying position of the circular glass plate is fixed, the vision camera feeds back to the control center after photographing, the deviation of the circular glass plate is calculated, the adjusting mechanism adjusts the angle of the circular glass plate, and precision printing is achieved.

[0015] 2. When the plurality of pneumatic clamping jaws preliminarily position the circular glass plate, the glass plate is adjusted in position by driving the backing plate to slide on the rack, and sliding abrasion of the circular glass plate is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front view structural schematic diagram of the utility model;

[0017] Fig. 2 It is a top view structural schematic diagram of the pneumatic clamp table plate of the utility model;

[0018] Fig. 3 It is a bottom view structural schematic diagram of the pneumatic clamp table plate of the utility model.

[0019] In the figure: 1, rack; 2, pneumatic clamp table plate; 3, pneumatic clamp jaw; 4, connecting pipe; 5, screen printing mechanism; 6, visual camera; 7, control center; 8, fixed plate; 9, servo deceleration motor; 10, driving gear; 11, rotating shaft; 12, driven gear; 13, support seat; 14, ball; 15, synchronous air cylinder; 16, backing plate; 17, annular protrusion. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figs. 1-3 The utility model provides a kind of high light transmission glass visual positioning printing device, including rack 1, the rack 1 is equipped with pneumatic clamp table plate 2, the top of the pneumatic clamp table plate 2 is equipped with multiple pneumatic clamp jaw 3 around center equidivision, the pneumatic clamp table plate 2 is equipped with connecting pipe 4;The rack 1 top is equipped with screen printing mechanism 5, one side of the screen printing mechanism 5 is equipped with visual camera 6 towards the top of the pneumatic clamp table plate 2, the visual camera 6 is connected external control center 7, the rack 1 is equipped with adjusting mechanism for angle adjustment of the pneumatic clamp table plate 2, and the adjusting mechanism is controlled by the control center 7;When printing, round glass plate pneumatic clamp table plate 2, connecting pipe 4 connects the air pipe of external pneumatic equipment, then pneumatic makes pneumatic clamp jaw 3 to the side of round glass plate and is positioned by clamping;Then visual camera 6 is photographed to the round glass plate on the pneumatic clamp table plate 2, since the reserved spraying position of round glass plate is fixed, so that visual camera 6 is fed back to control center 7 after shooting, control center 7 is adjusted mechanism to the round glass plate by calculating the deviation of round glass plate Angle correction is carried out to the round glass plate, and then screen printing mechanism 5 is lowered to set position and prints.

[0022] Specifically, the inner side of the pneumatic clamp jaw 3 is equipped with an anti-slip pad; in this embodiment, the anti-slip pad avoids damaging the glass clamp and increases the stability and anti-slip ability after clamping.

[0023] Specifically, the adjusting mechanism comprises a fixed plate 8 fixed below the rack 1, a servo reduction motor 9 installed on the fixed plate 8, the servo reduction motor 9 being controlled by the control center 7, a driving gear 10 fixed to an output shaft of the servo reduction motor 9, a rotating shaft 11 penetrating through the rack 1 and arranged at the center of the bottom surface of the pneumatic clamp table plate 2, the rotating shaft 11 being rotatably connected to the rack 1 through a bearing, and a driven gear 12 fixed to the bottom end of the rotating shaft 11 and engaged with the driving gear 10; in the embodiment, the control center 7 controls the servo reduction motor 9 to rotate by a corresponding angle according to the deviation of the circular glass plate, and further drives the driving gear 10, the driven gear 12 and the rotating shaft 11 to rotate, so that the pneumatic clamp table plate 2 and the circular glass plate are angle-corrected.

[0024] Specifically, a plurality of support seats 13 are arranged around the center of the bottom surface of the pneumatic clamp table plate 2, the bottom surface of each support seat 13 is provided with a semispherical ball groove, and a ball 14 is arranged below the ball groove and pressed against the top surface of the rack 1; in the embodiment, the plurality of balls 14 support and position the pneumatic clamp table plate 2 when the pneumatic clamp table plate 2 rotates, so that the pneumatic clamp table plate 2 always keeps balanced and stable, and is more accurate.

[0025] Specifically, the top of the rack 1 is supported by a top plate through four vertical columns, two downward synchronous air cylinders 15 are installed on the top plate, and the piston rods of the synchronous air cylinders 15 are fixedly connected to the screen printing mechanism 5 after penetrating through the top plate; in the embodiment, the screen printing mechanism 5 is arranged to be liftable, so as to leave a shooting space for the visual camera 6, and when printing, the synchronous air cylinders 15 drive the screen printing mechanism 5 to descend to a set position for printing.

[0026] Specifically, the top surface of the pneumatic clamp table plate 2 is flat and smooth, and a pad 16 is arranged thereon, the bottom surface of the pad 16 is smooth, and the top surface of the pad 16 is provided with an antiskid pad layer; in the embodiment, when the plurality of pneumatic clamping jaws 3 preliminarily position the circular glass plate, the glass plate is adjusted in position by driving the pad 16 to slide on the rack 1, so as to avoid sliding abrasion of the circular glass plate.

[0027] Specifically, the top surface of the pneumatic clamp table plate 2 is provided with an annular protrusion 17, and the pad 16 is located in the annular protrusion 17; in the embodiment, the movement space of the pad 16 is limited, so as to avoid the pad 16 from sliding off the rack 1.

[0028] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process will be described in detail below.

[0029] Working principle: when printing, the circular glass plate is placed on the base plate 16, the connecting pipe 4 is connected with the air pipe of the external pneumatic device, then the pneumatic clamping jaw 3 clamps and positions the side of the circular glass plate after being pneumatic, at the same time, the anti-skid pad avoids damaging the glass clamp and increases the stability and anti-skid ability after clamping; then the visual camera 6 takes a picture of the circular glass plate on the pneumatic clamp base plate 2, since the reserved spraying position of the circular glass plate is fixed, the visual camera 6 feeds back to the control center 7 after taking a picture, the control center 7 calculates the position deviation of the circular glass plate through imaging, the deviation between the calculated position and the set position is a conventional technology and will not be described in detail, the control servo reduction motor 9 rotates by a corresponding angle, further drives the driving gear 10, the driven gear 12 and the rotating shaft 11 to rotate, so that the pneumatic clamp base plate 2 and the circular glass plate are angle corrected, then the synchronous air cylinder 15 drives the screen printing mechanism 5 to descend to the set position to print; during the preliminary positioning of the circular glass plate by the plurality of pneumatic clamping jaws 3, the glass plate will be adjusted in position by driving the base plate 16 to slide on the rack 1, so as to avoid the sliding abrasion of the circular glass plate.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-transparency glass vision positioning printing device comprising a rack (1), characterized in that, The rack (1) is provided with a pneumatic clamp table (2), the top surface of the pneumatic clamp table (2) is provided with a plurality of pneumatic clamping jaws (3) equally divided around the center, and the pneumatic clamp table (2) is provided with a connecting pipe (4); the top of the rack (1) is provided with a screen printing mechanism (5), one side of the screen printing mechanism (5) is provided with a visual camera (6) facing the top surface of the pneumatic clamp table (2), the visual camera (6) is connected with an external control center (7), the rack (1) is provided with an adjusting mechanism for adjusting the angle of the pneumatic clamp table (2), and the adjusting mechanism is controlled by the control center (7).

2. A high-transparency glass vision positioning printing device according to claim 1, characterized in that, The inner side of the pneumatic clamping jaw (3) is provided with an anti-skid pad.

3. A high-transparency glass vision positioning printing device according to claim 1, characterized in that, The adjusting mechanism comprises a fixed plate (8) fixed below the rack (1), a servo reduction motor (9) is installed on the fixed plate (8), the servo reduction motor (9) is controlled by the control center (7), the output shaft of the servo reduction motor (9) is fixed with a driving gear (10), the bottom surface of the pneumatic clamp table (2) is provided with a rotating shaft (11) penetrating the rack (1), the rotating shaft (11) is rotatably connected with the rack (1) through a bearing, and the bottom end of the rotating shaft (11) is fixed with a driven gear (12) engaged with the driving gear (10).

4. The high-transparency glass vision positioning printing device according to claim 1, wherein, The bottom surface of the pneumatic clamp table (2) is provided with a plurality of support seats (13) around the center, the bottom surface of the support seat (13) is provided with a hemispherical ball groove, and the lower side of the ball groove is provided with a ball (14) pressing the top surface of the rack (1).

5. A high-transparency glass vision positioning printing device according to claim 1, characterized in that, The top of the rack (1) is supported by a top plate through four columns, the top plate is provided with two downward synchronous air cylinders (15), and the piston rod of the synchronous air cylinder (15) is fixedly connected with the screen printing mechanism (5) after penetrating the top plate.

6. A high-transparency glass vision positioning printing device according to claim 1, characterized in that, The top surface of the pneumatic clamp table (2) is flat and smooth, and is provided with a pad (16), the bottom surface of the pad (16) is smooth, and the top surface is provided with an anti-skid pad.

7. A high-transparency glass vision positioning printing device according to claim 6, characterized in that, The top surface of the pneumatic clamp table (2) is provided with an annular protrusion (17), and the pad (16) is located in the annular protrusion (17).

Images