Novel automatic positioning mechanism for screen printing machine platform

Abstract

The utility model discloses a novel screen printing machine platform automatic positioning mechanism which comprises a placing plate installed on a printing machine platform, a plurality of limiting columns are rotationally installed on the rear side and the right side of the upper end of the placing plate, and a plurality of bull eye bearings are further installed on the placing plate. The positioning mechanism is mounted on the left side of the upper end of the printing machine platform and used for preliminarily positioning the workpiece; the positioning mechanism is reasonable in structure, the moving distance of the positioning mechanism of the workpiece can be conveniently controlled, so that the workpiece can be more conveniently positioned, friction between the workpiece and the placing table can be effectively reduced in cooperation with a bull eye bearing, and the working efficiency is improved. The possibility of abrasion of the lower end face of the workpiece is reduced, and use requirements can be better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning device technical field, concretely is a novel silk screen printing machine platform automatic positioning mechanism. BACKGROUND

[0002] The silk screen printing machine is a machine for printing with silk screen, and belongs to one kind of printing machine. The silk screen printing machine is a machine for printing characters and images, and is a general term of machines or devices for producing printed matters. The silk screen printing machine is mainly applied in the field of assembly line production due to high automation. Since it is automatic production, the automatic positioning precision will directly affect the product quality and production efficiency. At present, the main positioning in the positioning of the silk screen printing machine is the positioning in X / Y direction. The positioning precision in X / Y direction can ensure the automatic positioning precision.

[0003] For example, the utility model patent with the authorized announcement number CN206287638U discloses a shuttle type silk screen printing machine automatic positioning mechanism. The device adopts the combination of cross beam and longitudinal beam, adds the hanging beam below the longitudinal beam, and increases the multiple positioning wheels to improve the positioning precision and displacement precision of the mechanism, so as to ensure that the mechanism meets the precision requirement of automatic positioning.

[0004] However, when the device is used, the cross beam and longitudinal beam are controlled to move by the air cylinder to drive the moving frame to move. It is inconvenient to control the moving distance. The workpiece on the moving frame may slide with the moving frame, which increases the possibility of scratching the lower end face of the workpiece and reduces the practicability of the device, so that the use requirement cannot be met well. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a novel silk screen printing machine platform automatic positioning mechanism to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0007] A novel silk screen printing machine platform automatic positioning mechanism, comprising: a placing plate installed on the printing machine platform, a plurality of limiting columns are rotatably installed on the upper end rear side and the right side of the placing plate, and a plurality of bull's eye bearings are further installed on the placing plate; a positioning mechanism installed on the upper end left side of the printing machine platform for preliminarily positioning the workpiece; and an adjusting mechanism installed on the upper end front side of the printing machine platform for secondarily positioning the workpiece.

[0008] As a preferred scheme, the positioning mechanism comprises a plurality of positioning sliding grooves formed at the left side of the upper end of the printing machine platform, a positioning cavity is further formed in the printing machine platform, the positioning cavity is communicated with the plurality of positioning sliding grooves, a positioning sliding base is further slidably installed in the positioning cavity, a positioning end cover is further installed at the end of the positioning cavity, a positioning lead screw is further rotatably installed in the positioning cavity, the positioning sliding base is threadedly sleeved on the positioning lead screw, a positioning motor is installed at the end of the positioning end cover, the output end of the positioning motor is drivingly connected with the shaft end of the positioning lead screw, and a positioning column is installed on the upper end of the positioning sliding base and corresponds to the position of each positioning sliding groove.

[0009] As a preferred scheme, the positioning column is fixed on the positioning sliding base through bolts.

[0010] As a preferred scheme, the positioning auxiliary grooves are formed at the upper end of the placing plate and correspond to the positions of the positioning sliding grooves.

[0011] As a preferred scheme, the adjusting mechanism comprises a pair of adjusting sliding grooves formed at the front side of the upper end of the printing machine platform, an adjusting cavity is formed in the printing machine platform, the adjusting cavity is communicated with the pair of adjusting sliding grooves, an adjusting sliding base is slidably installed in the adjusting cavity, an adjusting end cover is further installed at the end of the adjusting cavity, an adjusting lead screw is rotatably installed in the adjusting cavity, the adjusting sliding base is threadedly sleeved on the adjusting lead screw, an adjusting motor is further installed at the upper end of the adjusting end cover, the output end of the adjusting motor is drivingly connected with the shaft end of the adjusting lead screw, and an adjusting column is installed on the upper end of the adjusting sliding base and corresponds to the position of each adjusting sliding groove.

[0012] As a preferred scheme, the adjusting column is fixed on the adjusting sliding base through bolts.

[0013] As a preferred scheme, the adjusting auxiliary grooves are formed at the upper end of the placing plate and correspond to the positions of the adjusting sliding base.

[0014] Compared with the prior art, the novel automatic positioning mechanism for the printing machine platform has the advantages that the structure is reasonable, the moving distance of the positioning mechanism of the workpiece can be conveniently controlled, the workpiece can be more conveniently positioned, the friction between the workpiece and the placing table can be effectively reduced by cooperating with the bull-eye bearing, the possibility of wear of the lower end surface of the workpiece is reduced, the positioning is more convenient, and the use requirement is better met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole first perspective three-dimensional structure schematic view of a novel automatic positioning mechanism for a printing machine platform.

[0016] Fig. 2 It is a whole second perspective three-dimensional structure schematic view of a novel automatic positioning mechanism for a printing machine platform.

[0017] Fig. 3It is a new type of screen printing machine platform automatic positioning mechanism hidden positioning mechanism and adjusting mechanism after the three-dimensional structure schematic view;

[0018] Fig. 4 It is a new type of screen printing machine platform automatic positioning mechanism of the placement plate position three-dimensional structure schematic view;

[0019] Fig. 5 It is a new type of screen printing machine platform automatic positioning mechanism positioning mechanism three-dimensional structure schematic view;

[0020] Fig. 6 It is a new type of screen printing machine platform automatic positioning mechanism adjusting mechanism three-dimensional structure schematic view.

[0021] In the figure: 1, printing machine platform; 11, placement plate; 12, limit column; 13, eye bearing; 2, positioning mechanism; 21, positioning cavity; 22, positioning sliding groove; 23, positioning auxiliary groove; 24, positioning column; 25, positioning motor; 26, positioning end cover; 27, positioning lead screw; 28, positioning sliding seat; 3, adjusting mechanism; 31, adjusting cavity; 32, adjusting sliding groove; 33, adjusting auxiliary groove; 34, adjusting column; 35, adjusting motor; 36, adjusting end cover; 37, adjusting lead screw; 38, adjusting sliding seat. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the present application will be described clearly and completely 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. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] Embodiment: please refer to Figs. 1-6 A new type of screen printing machine platform automatic positioning mechanism, comprising: a placement plate 11 installed on the printing machine platform 1, the placement plate 11 upper end rear side and right side are rotatably installed with a plurality of limit columns 12, the placement plate 11 is also installed with a plurality of eye bearings 13; positioning mechanism 2, installed on the left side of the upper end of the printing machine platform 1, used for preliminary positioning of the workpiece; adjusting mechanism 3, installed on the front side of the upper end of the printing machine platform 1, used for secondary positioning of the workpiece.

[0024] The working principle of the utility model is: when in use, the workpiece (aluminum plate) is sucked by the external feeding robot, and then is transferred to the placing plate 11, then the suction cup of the feeding robot is disconnected, so as to stop the workpiece on the placing plate 11, then the feeding robot is reset, at this time, the workpiece (aluminum plate) is moved by the positioning mechanism 2 and the adjusting mechanism 3, cooperates with the limiting column 12, so that the positioning work of the workpiece (aluminum plate) can be completed, then the workpiece can be printed and processed, after processing, the workpiece is transferred away by the discharging robot, so that subsequent feeding positioning work is facilitated. Through the bull's eye bearing, the friction between the workpiece and the placing plate 11 can be effectively reduced, the positioning precision loss caused by the friction between the workpiece and the placing plate is reduced, the product positioning precision is higher, the qualified rate is obviously improved, the production capacity waste is greatly reduced, meanwhile, the process does not need manual work, the automation degree of the device is improved, so that the use requirement is better met.

[0025] As a further scheme, the positioning mechanism 2 comprises a plurality of positioning sliding grooves 22 opened at the left side position of the upper end of the printing machine platform 1, a positioning cavity 21 is also opened in the printing machine platform 1, the positioning cavity 21 is communicated with the plurality of positioning sliding grooves 22, a positioning sliding seat 28 is also slidably installed in the positioning cavity 21, a positioning end cover 26 is also installed at the end of the positioning cavity 21, a positioning lead screw 27 is also rotatably installed in the positioning cavity 21, the positioning sliding seat 28 is threadedly sleeved on the positioning lead screw 27, a positioning motor 25 is installed at the end of the positioning end cover 26, the output end of the positioning motor 25 is drivingly connected with the shaft end of the positioning lead screw 27, a positioning column 24 is installed on the upper end of the positioning sliding seat 28 corresponding to the position of each positioning sliding groove 22, in the embodiment, the positioning column 24 is fixed on the positioning sliding seat 28 through bolts, a positioning auxiliary groove 23 is opened on the upper end of the placing plate 11 corresponding to the position of the positioning sliding groove 22.

[0026] The working principle of the positioning mechanism 2 is that: when positioning, the positioning motor 25 is started, the positioning lead screw 27 is driven to rotate by the positioning motor 25, and then the positioning sliding seat 28 is moved, so that the positioning column 24 approaches the workpiece, the workpiece is conveniently pushed to move, and the workpiece is preliminarily positioned by cooperating with the limiting column 12 on the right side.

[0027] As a further scheme, the adjusting mechanism 3 comprises a pair of adjusting sliding grooves 32 opened at the front side position of the upper end of the printing machine platform 1, an adjusting cavity 31 is opened in the printing machine platform 1, the adjusting cavity 31 is communicated with the pair of adjusting sliding grooves 32, an adjusting sliding seat 38 is slidably installed in the adjusting cavity 31, an adjusting end cover 36 is further installed at the end of the adjusting cavity 31, an adjusting lead screw 37 is rotatably installed in the adjusting cavity 31, the adjusting sliding seat 38 is threadedly sleeved on the adjusting lead screw 37, an adjusting motor 35 is further installed at the upper end of the adjusting end cover 36, the output end of the adjusting motor 35 is drivingly connected with the shaft end of the adjusting lead screw 37, and the adjusting sliding seat 38 is provided with an adjusting column 34 at the position corresponding to each adjusting sliding groove 32 at the upper end.

[0028] The working principle of the adjusting mechanism 3 is that when adjusting, the adjusting motor 35 is started, the adjusting lead screw 37 is driven to rotate by the adjusting motor 35, the adjusting sliding seat 38 is moved, the adjusting column 34 is close to the workpiece, the workpiece is pushed to move, the limiting column 12 at the rear side is matched, the workpiece is positioned again, the positioning precision is improved, and the use requirement can be better met.

[0029] In the utility model, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the relationship word is determined only for the convenience of describing the structural relationship of the components or elements of the utility model, and cannot be understood as the limitation of the utility model.

Claims

1. A novel screen printing machine platform automatic positioning mechanism, characterized in that, Include: The placement plate (11) is installed on the printing machine platform (1), a plurality of limiting columns (12) are rotatably installed on the upper end of the rear side and the right side of the placement plate (11), and a plurality of eye bearings (13) are installed on the placement plate (11); The positioning mechanism (2) is installed on the upper end of the left side of the printing machine platform (1) and is used for preliminary positioning of the workpiece; the positioning mechanism (2) comprises a plurality of positioning sliding grooves (22) formed on the upper end of the left side of the printing machine platform (1), a positioning cavity (21) is further formed in the printing machine platform (1), the positioning cavity (21) is communicated with the plurality of positioning sliding grooves (22), a positioning sliding seat (28) is slidably installed in the positioning cavity (21), a positioning end cover (26) is further installed at the end of the positioning cavity (21), a positioning lead screw (27) is rotatably installed in the positioning cavity (21), the positioning sliding seat (28) is threadedly sleeved on the positioning lead screw (27), a positioning motor (25) is installed at the end of the positioning end cover (26), the output end of the positioning motor (25) is drivingly connected with the shaft end of the positioning lead screw (27), and a positioning column (24) is installed on the upper end of the positioning sliding seat (28) corresponding to the position of each positioning sliding groove (22). The adjusting mechanism (3) is installed on the upper end of the front side of the printing machine platform (1) and is used for secondary positioning of the workpiece; the adjusting mechanism (3) comprises a pair of adjusting sliding grooves (32) formed on the upper end of the front side of the printing machine platform (1), an adjusting cavity (31) is formed in the printing machine platform (1), the adjusting cavity (31) is communicated with the pair of adjusting sliding grooves (32), an adjusting sliding seat (38) is slidably installed in the adjusting cavity (31), an adjusting end cover (36) is further installed at the end of the adjusting cavity (31), an adjusting lead screw (37) is rotatably installed in the adjusting cavity (31), the adjusting sliding seat (38) is threadedly sleeved on the adjusting lead screw (37), an adjusting motor (35) is further installed on the upper end of the adjusting end cover (36), the output end of the adjusting motor (35) is drivingly connected with the shaft end of the adjusting lead screw (37), and an adjusting column (34) is installed on the upper end of the adjusting sliding seat (38) corresponding to the position of each adjusting sliding groove (32).

2. A novel screen printing machine platform automatic positioning mechanism according to claim 1, characterized in that: The positioning column (24) is fixed on the positioning sliding seat (28) by bolts.

3. A novel screen printing machine platform automatic positioning mechanism according to claim 2, characterized in that: The upper end of the placement plate (11) is provided with a positioning auxiliary groove (23) corresponding to the position of the positioning sliding groove (22).

4. A novel screen printing machine platform automatic positioning mechanism according to claim 3, characterized in that: The adjusting column (34) is fixed on the adjusting sliding seat (38) by bolts.

5. A novel screen printing machine platform automatic positioning mechanism according to claim 4, characterized in that: The placement plate (11) is provided with an adjusting auxiliary groove (33) corresponding to the position of the adjusting sliding seat (38).

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