Screen printing machine with air suction assisted positioning function

Abstract

The utility model discloses a suction assisted positioning screen printing machine which comprises a machine body, a suction table, a suction control valve, a hose, a fastener, an air leakage prevention assembly, a vacuum pump and an audible and visual alarm, the suction table is arranged at the top of the machine body, the suction control valve is connected to the right side of the machine body through bolts, and the hose penetrates through the suction table and the suction control valve in a penetrating mode. The fastening piece is arranged on the outer side of the hose, the air leakage prevention assembly comprises a lower sealing shell inserted in the air suction table and the air suction control valve in a penetrating mode, an upper sealing shell connected with the top end of the lower sealing shell through a screw, an air pressure sensor arranged on the upper sealing shell and a sealing rubber strip bonded to the inner side of the upper sealing shell and the inner side of the lower sealing shell, and the vacuum pump is arranged on the right side of the machine body. And the audible and visual alarm is arranged at the top of the machine body. By arranging the air leakage prevention assembly, the air leakage prevention effect is achieved under the condition that air suction auxiliary positioning is not affected, the problem that a workpiece is not stably fixed due to air leakage is effectively solved, and meanwhile air leakage can be reminded so that the air leakage prevention device can be used conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printers, and particularly relates to a screen printer with suction-assisted positioning. Background Technique

[0002] A screen printer with suction-assisted positioning is a screen printer that uses the suction function to assist in positioning workpieces during the printing process. This machine is usually designed with a suction device that can firmly adsorb the workpiece on the workbench before printing to ensure that the workpiece does not shift during the printing process, thereby improving the printing accuracy and stability. At the same time, an electric eye for chasing the mark will be added. The electric eye for chasing the mark mainly relies on the working principle of a photoelectric sensor. The photoelectric sensor emits a light signal and receives the reflected or transmitted light signal to judge the position, color, shape and other characteristics of the detected object. It is used to assist in positioning and improve the printing accuracy.

[0003] During suction positioning, the vacuum pump will extract the gas in the suction platform through a hose to generate negative pressure to fix the workpiece. However, after long-term use, the hose is prone to air leakage due to corrosion, aging, friction and wear, etc. Air leakage will cause the problem of unstable workpiece fixation, and there are certain deficiencies. For this reason, we have proposed a screen printer with suction-assisted positioning. Content of the Utility Model

[0004] The utility model aims to solve the problems existing in the prior art or related technologies.

[0005] For this reason, the technical solution adopted by the utility model is as follows: A screen printer with suction-assisted positioning, including a machine body, a suction table, a suction control valve, a hose, a fastener, an air leakage prevention component, a vacuum pump, an audible and visual alarm and a feeding component. The suction table is arranged on the top of the machine body. The suction control valve is bolted to the right side of the machine body. The hose is inserted through the suction table and the suction control valve. The fastener is arranged on the outside of the hose. The air leakage prevention component includes a lower sealing shell inserted through the suction table and the suction control valve, an upper sealing shell screwed to the top end of the lower sealing shell, a pressure sensor arranged on the upper sealing shell, and a sealing rubber strip bonded to the inner sides of the upper sealing shell and the lower sealing shell. The vacuum pump is arranged on the right side of the machine body. The audible and visual alarm is arranged on the top of the machine body. The feeding component is arranged at the front end of the machine body.

[0006] Preferably, a plurality of suction holes are opened on the top of the suction table, and a first connector for connecting the hose is arranged on the right side of the suction table.

[0007] Preferably, a second connector for connecting the hose is arranged on the left side of the suction control valve, and the second connector has the same structure as the first connector.

[0008] Preferably, the fastener includes an upper fastening plate inserted outside the hose and a lower fastening plate screwed to the bottom of the upper fastening plate.

[0009] Preferably, the vacuum pump is fixedly connected to the bottom of the air suction control valve through a hose.

[0010] Preferably, the feeding assembly includes a feeding rack arranged at the front end of the machine body, a feeding roller connected by bearings inside the feeding rack, and a photoelectric sensor arranged on the top of the feeding rack.

[0011] By adopting the above technical solutions, the beneficial effects obtained by the present utility model are as follows: by setting the air leakage prevention assembly, the effect of air leakage prevention is achieved without affecting the air suction and auxiliary positioning, effectively avoiding the problem of unstable workpiece fixation caused by air leakage. At the same time, air leakage can be reminded for use. When in use, the user can insert the lower sealing shell and the upper sealing shell of the air leakage prevention assembly on the air suction table and the air suction control valve, and fix the lower sealing shell and the upper sealing shell with screws. After fixation, the first connector, the hose, and the second connector can be sealed. When air leakage occurs at the hose or the connection between the hose and the connector, it does not affect the air suction device to fix the workpiece, achieving the effect of air leakage prevention, and can protect the hose to avoid being damaged by pulling. At the same time, the air pressure sensor can detect the air pressure inside the lower sealing shell and the upper sealing shell in real time. When the air pressure detected by the air pressure sensor during air suction of the air suction table becomes smaller and smaller, the external control device can control the sound and light alarm to emit sound to remind the user of air leakage. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is of the present utility model Figure 1 a schematic structural diagram of the air suction table in;

[0014] Figure 3 is an exploded schematic diagram of the connection between the air suction table and the air suction control valve of the present utility model;

[0015] Figure 4 is of the present utility model Figure 3 a schematic structural diagram of the fastener in;

[0016] Figure 5 is of the present utility model Figure 1 a schematic structural diagram of the air leakage prevention assembly in.

[0017] Reference Signs:

[0018] 100, machine body;

[0019] 200, air suction table; 201, first connector; 202, air suction hole;

[0020] 300, Suction control valve; 301, Second connector;

[0021] 400, Hose;

[0022] 500, Fastener; 501, Upper fastening plate; 502, Lower fastening plate;

[0023] 600, Air leakage prevention component; 601, Lower sealing shell; 602, Upper sealing shell; 603, Pressure sensor; 604, Sealing strip;

[0024] 700, Vacuum pump;

[0025] 800, Acousto-optic alarm;

[0026] 900, Feeding component; 901, Feeding rack; 902, Feeding roller; 903, Photoelectric sensor. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in combination with the specific implementation manners and with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and the features in the embodiments may be combined with each other.

[0028] Some embodiments of the present utility model will be described below in combination with the accompanying drawings to provide a screen printing machine for suction-assisted positioning.

[0029] Embodiment 1:

[0030] Refer to Figures 1-5 , which is the first embodiment of the present utility model. This embodiment provides a screen printing machine for suction-assisted positioning, including a machine body 100, a suction table 200, a suction control valve 300, a hose 400, a fastener 500, an air leakage prevention component 600, a vacuum pump 700, an acousto-optic alarm 800 and a feeding component 900.

[0031] Specifically, the suction table 200 is arranged on the top of the machine body 100. A plurality of suction holes 202 are formed in the top of the suction table 200. A first connector 201 for connecting the hose 400 is arranged on the right side of the suction table 200. During use, by extracting the air in the suction holes 202, negative pressure can be generated to fix the workpiece through the suction table 200.

[0032] Specifically, the suction control valve 300 is bolted to the right side of the machine body 100. A second connector 301 for connecting the hose 400 is arranged on the left side of the suction control valve 300. The second connector 301 has the same structure as the first connector 201. During use, the size of the negative pressure in the suction table 200 can be controlled through the suction control valve 300 to fix the workpiece.

[0033] Specifically, the hose 400 is inserted through the suction table 200 and the suction control valve 300. During use, the hose 400 can transport air, and the air inside the suction table 200 can be pumped out through the hose 400 to fix the workpiece.

[0034] Specifically, the fastener 500 is arranged on the outer side of the hose 400. The fastener 500 includes an upper fastening plate 501 inserted through the outer side of the hose 400 and a lower fastening plate 502 screwed to the bottom of the upper fastening plate 501. The rear side of the upper fastening plate 501 is hinged to the lower fastening plate 502. During use, both the upper fastening plate 501 and the upper fastening plate 501 can be inserted through the outer side of the hose 400 and then fixed by screws. After fixation, the hose 400 can be pressed tightly against the connector to avoid air leakage.

[0035] Specifically, the air leakage prevention component 600 includes a lower sealing shell 601 inserted through the suction table 200 and the suction control valve 300, an upper sealing shell 602 screwed to the top of the lower sealing shell 601, a pressure sensor 603 arranged on the upper sealing shell 602, and a sealing strip 604 bonded to the inner sides of the upper sealing shell 602 and the lower sealing shell 601. During use, the lower sealing shell 601 and the upper sealing shell 602 can be inserted through the suction table 200 and the suction control valve 300 and fixed by screws. After fixation, the first connector 201, the hose 400, and the second connector 301 can be sealed through the lower sealing shell 601 and the upper sealing shell 602. When air leakage occurs at the hose 400 or the connection between the hose 400 and the connector, it does not affect the suction device to fix the workpiece, achieving the effect of preventing air leakage, and can protect the hose 400 to avoid being damaged by pulling. At the same time, the pressure sensor 603 can detect the air pressure inside the lower sealing shell 601 and the upper sealing shell 602 in real time. When the air pressure detected by the pressure sensor 603 during suction of the suction table 200 becomes smaller and smaller, the external control device can control the sound and light alarm 800 to emit a sound to remind the user of air leakage.

[0036] Specifically, the vacuum pump 700 is arranged on the right side of the machine body 100. The vacuum pump 700 is fixedly connected to the bottom of the suction control valve 300 through the hose 400. During use, the vacuum pump 700 can pump out the air inside the suction table 200 through the hose 400 to fix the workpiece.

[0037] Specifically, the sound and light alarm 800 is arranged on the top of the machine body 100. During use, the sound and light alarm 800 can emit a sound to remind the user of air leakage.

[0038] Specifically, the feeding assembly 900 is arranged at the front end of the machine body 100. The feeding assembly 900 includes a feeding rack 901 arranged at the front end of the machine body 100, a feeding roller 902 bearing-connected to the inner side of the feeding rack 901, and a photoelectric sensor 903 arranged on the top of the feeding rack 901. During use, the feeding roller 902 can convey workpieces to the suction table 200 for processing.

[0039] The working principle and usage process of the present utility model: During use, the user can insert the lower sealing shell 601 and the upper sealing shell 602 of the air leakage prevention assembly 600 onto the suction table 200 and the suction control valve 300, and fix them with screws. After fixing, the first connector 201, the hose 400, and the second connector 301 can be sealed through the lower sealing shell 601 and the upper sealing shell 602. When air leakage occurs at the hose 400 or the connection between the hose 400 and the connector, it does not affect the suction device to fix the workpiece, achieving the effect of preventing air leakage, and can protect the hose 400 to avoid the hose 400 being damaged by pulling. At the same time, the pressure sensor 603 can detect the air pressure inside the lower sealing shell 601 and the upper sealing shell 602 in real time. When the air pressure detected by the suction table 200 and the pressure sensor 603 becomes smaller and smaller, the external control device can control the sound and light alarm 800 to emit a sound to remind the user of air leakage.

[0040] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and purpose of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A screen printing machine with suction-assisted positioning, characterized in that, Including: Machine body (100); Suction platform (200), arranged on the top of the machine body (100); Suction control valve (300), bolted to the right side of the machine body (100); Hose (400), inserted through the suction platform (200) and the suction control valve (300); Fastener (500), arranged on the outside of the hose (400); Air leakage prevention component (600), including a lower sealing shell (601) inserted through the suction platform (200) and the suction control valve (300), an upper sealing shell (602) screwed to the top end of the lower sealing shell (601), a pressure sensor (603) arranged on the upper sealing shell (602), and a sealing strip (604) bonded to the inner sides of the upper sealing shell (602) and the lower sealing shell (601); Vacuum pump (700), arranged on the right side of the machine body (100); Acoustic and optical alarm (800), arranged on the top of the machine body (100); Feeding component (900), arranged at the front end of the machine body (100).

2. The screen printing machine with suction-assisted positioning according to claim 1, characterized in that, A plurality of suction holes (202) are formed in the top of the suction platform (200), and a first connector (201) for connecting the hose (400) is arranged on the right side of the suction platform (200).

3. The screen printing machine with suction-assisted positioning according to claim 1, characterized in that, A second connector (301) for connecting the hose (400) is arranged on the left side of the suction control valve (300), and the second connector (301) has the same structure as the first connector (201).

4. The screen printer with suction-assisted positioning according to claim 1, wherein The fastener (500) includes an upper fastening plate (501) inserted through the outside of the hose (400) and a lower fastening plate (502) screwed to the bottom of the upper fastening plate (501).

5. The screen printer for aspiration-assisted positioning according to claim 1, characterized in that, The vacuum pump (700) is fixedly connected to the bottom of the suction control valve (300) through the hose (400).

6. The screen printing machine with suction-assisted positioning according to claim 1, characterized in that, The feeding component (900) includes a feeding rack (901) arranged at the front end of the machine body (100), a feeding roller (902) rotatably connected inside the feeding rack (901) by bearings, and a photoelectric sensor (903) arranged on the top of the feeding rack (901).

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