Turnover mechanism of screen printing plate coating machine

Abstract

The utility model discloses a turnover mechanism of a screen coating machine, which belongs to the technical field of screen coating machines and comprises a rack, a rotating groove is arranged on the rack, an inner cavity of the rotating groove is rotatably connected with a turnover frame, and a band-type brake motor is fixedly mounted at the top of the rack. According to the screen printing plate overturning device, the screen printing plate is placed at the bottom of the inner cavity of the overturning frame, the lifting base is driven to move downwards to clamp and fix the top of the screen printing plate through screw-thread fit between the first lead screw and the lifting base, and in addition, the second lead screw is driven to rotate through the double-shaft motor; limiting blocks are driven to get close to each other through threaded fit between a second lead screw and a moving seat, the two ends of a screen printing plate are clamped and fixed through the limiting blocks, clamping blocks are driven through an electric push rod to clamp and fix the front face and the back face of the screen printing plate, and the function of clamping the screen printing plates of different sizes and thicknesses is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screen coater, more particularly to a turnover mechanism of screen coater. BACKGROUND

[0002] The screen used for printing needs to be coated with photosensitive glue in the processing process, and the coating method has manual coating and automatic equipment coating, the manual coating is slow and the uniformity is not easy to control, and the automatic equipment coating is mostly adopted. The screen coater is a machine used for coating the screen, and some screen coaters need to coat photosensitive glue on both sides, generally, the equipment is stopped after one side is coated, the screen is rotated by 180 degrees and then placed again, and the production efficiency is low.

[0003] Through retrieval, the utility model discloses a kind of turnover mechanism of screen coater, including driving rod and support shaft being connected to screen coater on rotation, support shaft is connected with support plate, the driving rod one end is connected with driving motor, the other end is connected with positioning sleeve by positioning mechanism, the positioning sleeve is connected with driving plate, the support plate is hinged with first clamping plate, the first clamping plate is connected with support plate by first elastic member, the driving plate is hinged with second clamping plate, the second clamping plate is connected with driving plate by second elastic member, the first clamping plate and support plate form the first clamping area of screen between, the second clamping plate and driving plate form the second clamping area, reach the purpose of improving production efficiency.But the above-mentioned patent still has the following deficiencies: the range of adjusting the distance between support plate and driving plate by the cooperation between slide column on positioning sleeve and positioning groove is limited, so that only the screen frame size in a certain range can be fixed, and the practicability is poor;In addition, in the process that the first clamping plate and the second clamping plate clamp the screen, the different thicknesses of screen side frame cannot be stably clamped, so we propose a kind of turnover mechanism of screen coater. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model aims to provide a turnover mechanism of screen coater.

[0005] To solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model relates to a kind of turnover mechanism of screen coater, including rack, rotating groove is provided on the rack, the inner cavity of rotating groove is rotatably connected with turnover frame, the top of the rack is fixedly installed with clutch motor, the output shaft of clutch motor and the top of turnover frame pivot are connected, the both sides of the inner cavity of turnover frame are provided with moving groove respectively, the inner cavity of one moving groove is rotatably connected with first screw rod, the inner cavity of another moving groove is fixedly sleeved with slide rod, the outer side of first screw rod is installed with lifting seat, lifting seat and slide rod are movably sleeved, the top surface of turnover frame is fixedly installed with servo motor, the output shaft of servo motor and the top of first screw rod are connected, the side portion of the bottom end of turnover frame and the side portion of lifting seat are respectively provided with movable slot, the inner cavity of two movable slots is fixedly installed with double-shaft motor, the two output shafts of two double-shaft motors are fixedly connected with second screw rod respectively, the end portion of four second screw rods is rotatably connected with the inner wall of movable slot respectively, the outer side of four second screw rods is respectively threadedly sleeved with moving seat, the two ends of four moving seats are respectively extended to the outside of movable slot and are fixedly connected with limit block, clamping mechanism is respectively provided on four limit blocks.

[0007] As a preferred scheme of the utility model, the clamping mechanism includes two mounting seats fixedly connected on the side surface of limit block, two electric push rods are fixedly installed on two mounting seats respectively, and the output end of each electric push rod is fixedly connected with a clamping block.

[0008] As a preferred scheme of the utility model, a control panel is fixedly installed on the front surface of the rack, and the control panel is electrically connected with the clutch motor, the servo motor, the double-shaft motor and the electric push rod respectively.

[0009] As a preferred scheme of the utility model, a plurality of supporting seats are fixedly installed on the bottom surface of the rack.

[0010] As a preferred scheme of the utility model, the top surface and the bottom surface of the moving seat are respectively fitted with the top surface and the bottom surface of the inner cavity of the movable slot.

[0011] As a preferred scheme of the utility model, the top surface of two limit blocks is fitted with the bottom surface of the lifting seat, and the bottom surface of the other two limit blocks is fitted with the bottom surface of the inner cavity of the turnover frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a clamping mechanism for screen printing plate, including rack, rotating groove, turnover frame, clutch motor, moving groove, first screw rod, slide rod, lifting seat, servo motor, movable groove, double shaft motor, second screw rod, moving seat, limit block, clamping mechanism, mounting seat, electric push rod, clamping block, support seat and control panel, the turnover frame is arranged in the rack, and the rotating groove is arranged on the top of the turnover frame. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic diagram of the utility model;

[0015] Figure 2 It is structure schematic diagram of the utility model turnover frame;

[0016] Figure 3 It is structure schematic diagram of the utility model rack;

[0017] Figure 4 It is structure schematic diagram of the utility model limit block.

[0018] Mark explanation in drawing:

[0019] 1, rack, 2, rotating groove, 3, turnover frame, 4, clutch motor, 5, moving groove, 6, first screw rod, 7, slide rod, 8, lifting seat, 9, servo motor, 10, movable groove, 11, double shaft motor, 12, second screw rod, 13, moving seat, 14, limit block, 15, clamping mechanism, 16, mounting seat, 17, electric push rod, 18, clamping block, 19, support seat, 20, control panel. DETAILED DESCRIPTION

[0020] The technical schemes 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 belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set", "sleeve / joint", "connection" and the like should be understood broadly, for example, "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0023] Embodiment:

[0024] Please refer to Figures 1-4 A turnover mechanism of screen coater, including frame 1, be provided with rotary groove 2 on frame 1, the inner chamber of rotary groove 2 is rotatably connected with turnover frame 3, the top of frame 1 is fixedly installed with clutch motor 4, the output shaft of clutch motor 4 and the top of the rotating shaft of turnover frame 3 are connected, the both sides in the inner chamber of turnover frame 3 are provided with moving groove 5, the inner chamber of one moving groove 5 is rotatably connected with first lead screw 6, the inner chamber of the other moving groove 5 is fixedly sleeved with slide rod 7, the outer side of first lead screw 6 is installed with lifting seat 8, lifting seat 8 and slide rod 7 are movably sleeved, the top surface of turnover frame 3 is fixedly installed with servo motor 9, the output shaft of servo motor 9 and the top of first lead screw 6 are connected, the side of the bottom of turnover frame 3 and the side of lifting seat 8 are respectively provided with movable slot 10, the inner chamber of two movable slots 10 is fixedly installed with double-shaft motor 11, the output shaft of two double-shaft motors 11 is fixedly connected with second lead screw 12 respectively, the end of four second lead screws 12 is rotatably connected with the inner wall of movable slot 10 respectively, the outer side of four second lead screws 12 is respectively threadedly sleeved with moving seat 13, the both ends of four moving seats 13 extend to the outside of movable slot 10 and are fixedly connected with limit block 14 respectively, four limit blocks 14 are respectively provided with clamping mechanism 15.

[0025] In the embodiment, the lifting seat 8 is limited by the movable sleeving between the slide rod 7 and the lifting seat 8, so that the lifting seat 8 can only move along the axial direction of the first lead screw 6.

[0026] Specifically, please refer to Figure 1 And Figure 4 The clamping mechanism 15 includes two mounting seats 16 fixedly connected to the side surface of the limit block 14, two electric push rods 17 are fixedly installed on the two mounting seats 16 respectively, and the output ends of the two electric push rods 17 are fixedly connected with clamping blocks 18.

[0027] In the embodiment, the electric push rod 17 drives the clamping block 18 to move, and the clamping block 18 extrudes and fixes the screen placed on the inner side of the limit block 14.

[0028] For details, please refer to Figures 1 to 4 A control panel 20 is fixedly installed on the front of the frame 1. The control panel 20 is electrically connected to the brake motor 4, the servo motor 9, the dual-axis motor 11 and the electric push rod 17.

[0029] In this embodiment, the brake motor 4, servo motor 9, dual-axis motor 11 and electric push rod 17 are controlled by the control panel 20.

[0030] For details, please refer to Figure 1 Multiple support bases 19 are fixedly installed on the bottom surface of the frame 1.

[0031] In this embodiment, the frame 1 is supported by the support base 19.

[0032] For details, please refer to Figure 1 and Figure 2 The top and bottom surfaces of the movable seat 13 are respectively attached to the top and bottom surfaces of the inner cavity of the movable groove 10.

[0033] In this embodiment, the inner wall of the movable groove 10 is used to limit the movable seat 13, so that the movable seat 13 can only move along the axial direction of the second lead screw 12.

[0034] For details, please refer to Figure 1 The top surfaces of the two limiting blocks 14 are in contact with the bottom surface of the lifting seat 8, and the bottom surfaces of the other two limiting blocks 14 are in contact with the bottom surface of the inner cavity of the tilting frame 3.

[0035] Working principle: In use, firstly, place the screen to be coated at the bottom of the inner cavity of the flipping frame 3. Simultaneously, start the servo motor 9 to drive the first lead screw 6 to rotate. Through the threaded engagement between the first lead screw 6 and the lifting seat 8, the lifting seat 8 moves downward, so that the bottom surface of the lifting seat 8 is in contact with the top surface of the screen. Then, start the two dual-axis motors 11, which respectively drive the two second lead screws 12 to rotate. Through the threaded engagement between the second lead screws 12 and the moving seat 13, the four limit blocks 14 move closer to each other, so that the four limit blocks 14 clamp and fix the two ends of the screen. Then, start multiple electric push rods 17 to drive the clamping blocks 18 to move, and clamp and fix the front and back of the screen through the clamping blocks 18. After coating one side of the screen, start the brake motor 4 to drive the flipping frame 3 to rotate 180 degrees, thereby driving the screen on the flipping frame 3 to rotate 180 degrees, so that the other side of the screen can be coated.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A turnover mechanism of a screen coater comprising a frame (1), characterized in that: The rack (1) is provided with a rotating groove (2), the inner cavity of the rotating groove (2) is rotatably connected with a turnover frame (3), the top of the rack (1) is fixedly installed with a brake motor (4), the output shaft of the brake motor (4) is connected with the top end of the rotating shaft of the turnover frame (3), the inner cavity of the turnover frame (3) is provided with a moving groove (5) on each side, the inner cavity of one moving groove (5) is rotatably connected with a first lead screw (6), the inner cavity of the other moving groove (5) is fixedly sleeved with a sliding rod (7), the outer side of the first lead screw (6) is threadedly installed with a lifting seat (8), the lifting seat (8) and the sliding rod (7) are movably sleeved, the top surface of the turnover frame (3) is fixedly installed with a servo motor (9), the output shaft of the servo motor (9) is connected with the top end of the first lead screw (6), the side of the bottom end of the turnover frame (3) and the side of the lifting seat (8) are respectively provided with a movable groove (10), the inner cavities of the two movable grooves (10) are both fixedly installed with a double-shaft motor (11), the two output shafts of the two double-shaft motors (11) are both fixedly connected with a second lead screw (12), the ends of the four second lead screws (12) are rotatably connected with the inner walls of the movable grooves (10), the outer sides of the four second lead screws (12) are respectively threadedly sleeved with a moving seat (13), the two ends of the four moving seats (13) respectively extend to the outside of the movable grooves (10) and are fixedly connected with a limiting block (14), four clamping mechanisms (15) are arranged on the limiting blocks (14).

2. The turnover mechanism of a screen coater according to claim 1, wherein: The clamping mechanism (15) comprises two mounting seats (16) fixedly connected to the side surface of the limiting block (14), two electric push rods (17) are fixedly installed on the two mounting seats (16), and the output ends of the two electric push rods (17) are fixedly connected with a clamping block (18).

3. The turnover mechanism of a screen coater according to claim 2, wherein: A control panel (20) is fixedly installed on the front surface of the rack (1), and the control panel (20) is electrically connected with the brake motor (4), the servo motor (9), the double-shaft motor (11) and the electric push rod (17).

4. The turnover mechanism of a screen coater according to claim 1, wherein: A plurality of supporting seats (19) are fixedly installed on the bottom surface of the rack (1).

5. The turnover mechanism of a screen coater according to claim 1, wherein: The top surface and the bottom surface of the moving seat (13) are respectively fitted with the top surface and the bottom surface of the inner cavity of the movable groove (10).

6. The turnover mechanism of a screen coater according to claim 1, wherein: The top surfaces of the two limiting blocks (14) are fitted with the bottom surface of the lifting seat (8), and the bottom surfaces of the other two limiting blocks (14) are fitted with the bottom surface of the inner cavity of the turnover frame (3). The top surfaces of the two limiting blocks (14) are fitted with the bottom surface of the lifting seat (8), and the bottom surfaces of the other two limiting blocks (14) are fitted with the bottom surface of the inner cavity of the turnover frame (3).

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