CN110539551A

CN110539551A - Floating platform screen printing tool

Info

Publication number: CN110539551A
Application number: CN201910761606.XA
Authority: CN
Inventors: 张庆瑞; 金正鹏; 倪创
Original assignee: Anhui Shengli Precision Manufacturing Technology Co Ltd
Current assignee: Anhui Shengli Precision Manufacturing Technology Co Ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2019-12-06

Abstract

The invention belongs to the technical field of production and processing jigs, in particular to a floating platform screen printing jig which comprises a base, a floating platform, two mounting seats, a cylinder and a supporting platform, wherein the two mounting seats are respectively arranged along the X direction and the Y direction of the base, and the two mounting seats positioned in the X direction and the Y direction are respectively driven by a first driving source to enable the two mounting seats to synchronously move oppositely; the cylinder is vertically arranged and can be vertically movably arranged on the mounting seat, and vertically moves and penetrates through the floating platform to extend above the floating platform; the 3D glass to be positioned is placed on the floating platform and is adsorbed and fixed by the vacuumizing equipment, and after the 3D glass to be positioned is clamped and moved and positioned by the cylindrical moving clamp, the supporting platform moves upwards and adsorbs and supports the floating platform; according to the invention, the precise positioning of the 3D glass is realized through the matching of the floating platform and the cylinder, the original mode of positioning a copying jig is replaced, and the problem of low screen printing precision caused by copying positioning of the 3D glass is solved.

Description

Floating platform screen printing tool

Technical Field

The invention belongs to the technical field of production and processing jigs, and particularly relates to a floating platform screen printing jig.

Background

Characteristic figures such as a frame need be printed with a screen on the surface in the processing procedure of the existing 3D glass, and the 3D glass needs to be accurately positioned before screen printing, so that the screen printing precision is ensured. However, the existing 3D glass is cambered surface glass, and the characteristic profile is not strong, so that the requirement of accurate positioning is difficult to achieve through a profiling jig, the screen printing precision is easy to reach the standard, and the yield of the screen printing process is influenced.

disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a floating platform screen printing jig which replaces the existing profiling jig to position 3D glass and solves the problem of low screen printing precision caused by inaccurate positioning when the profiling jig is used for positioning the 3D glass.

In order to achieve the purpose, the invention adopts the following technical scheme:

a floating platform screen printing fixture, comprising:

A base;

the floating platform is movably arranged above the base, and an air guide pipe cavity is arranged in the floating platform and is used for connecting with a vacuumizing device;

The two installation seats are respectively arranged along the X direction and the Y direction of the base, and the two installation seats positioned in the X direction and the Y direction are driven by a first driving source arranged on the base to synchronously move oppositely;

A cylinder vertically disposed and vertically movably disposed on the mounting base, the cylinder vertically moving and extending above the floating platform through the floating platform;

A support platform movably disposed between the floating platform and the base;

the 3D glass to be positioned is placed on the floating platform and is fixedly adsorbed by vacuumizing equipment, the 3D glass to be positioned is clamped by the cylindrical movable clamp and is movably positioned, and the supporting platform moves upwards and adsorbs to support the floating platform.

Preferably, the first driving source includes:

A driving stepping motor arranged on the base,

One end of the synchronous belt is sleeved on an output shaft of the driving stepping motor, the other end of the synchronous belt is tensioned and fixed on the base through a bearing,

The installation seat is fixed on the synchronous belt and driven by the driving stepping motor to move close to or away from each other.

Preferably, the bottom of mount pad is provided with the slider, the base on be equipped with along its X to and Y to extending the guide rail of arranging, the slider with the guide rail constitutes direction spacing cooperation.

preferably, the mounting seat is further provided with a blocking piece, and the blocking piece is matched with a photoelectric sensor arranged on the base to determine the relative position of the mounting seat.

preferably, the mounting seat is provided with a first driving cylinder, and the cylinder is fixed on a telescopic shaft of the first driving cylinder.

preferably, a support plate arranged transversely is arranged on the telescopic shaft of the first driving cylinder, and at least two columns arranged at intervals are arranged on the support plate.

Preferably, the support platform comprises:

the second driving air cylinders are arranged on the base at intervals;

The sucking disc sets up on the telescopic shaft of second drive actuating cylinder, and the suction surface looks parallel and level of sucking disc on a plurality of second drive actuating cylinder.

preferably, the four corners of the base are respectively provided with a support column, the upper end of each support column is provided with a support seat, and the support seats are provided with bearing balls for supporting the floating platform.

Preferably, a small-diameter spring positioning column is arranged on the supporting seat beside the bearing ball and is in abutting fit with the side edge of the floating platform, a cover plate is further fixed above the supporting seat, and the cover plate covers the floating platform.

Preferably, the floating platform screen printing jig further comprises:

and two handles are arranged and symmetrically fixed at the opposite side parts of the base.

Compared with the prior art, the invention has the following technical effects:

according to the floating platform screen printing jig provided by the invention, the precise positioning of the 3D glass is realized through the matching of the floating platform and the cylinder, the original mode of positioning of the copying jig is replaced, and the problem of low screen printing precision caused by the copying positioning of the 3D glass is solved.

additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic structural diagram of a floating platform screen printing jig according to the present invention;

fig. 2 is a top view of the screen printing jig of fig. 1 with the floating platform removed;

FIG. 3 is an exploded view of the floating platform screen printing fixture of FIG. 1;

FIG. 4 is a top view of the floating platform;

FIG. 5 is a cross-sectional view of section A-A of FIG. 4;

FIG. 6 is a schematic view of the floating platform of FIG. 1 with a protective mask applied thereto;

The reference numbers in the figures illustrate: 10-base, 11-guide rail, 12-photoelectric sensor, 13-support column, 14-support seat, 141-bearing ball, 142-small diameter spring positioning column, 15-cover plate, 16-handle, 17-support column, 18-protective cover, 20-floating platform, 21-air guide tube cavity, 30-mounting seat, 31-cylinder, 32-sliding block, 33-blocking piece, 34-first driving cylinder, 341-support plate, 40-support platform, 41-second driving cylinder, 42-suction cup, 50-driving stepping motor, 51-synchronous belt and 52-bearing.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further clarified by combining the specific drawings.

it will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In order to realize accurate positioning of 3D glass to be screen printed, as shown in fig. 1, 2 and 3, the invention provides a floating platform screen printing jig, which comprises a base 10, a floating platform 20, a mounting seat 30, a cylinder 31 and a supporting platform 40.

the base 10 mainly plays a supporting role, and is used for supporting the floating platform 20, the mounting seat 30, the supporting platform 40 and other parts. For convenience of description, two directions perpendicular to each other in the orientation horizontal direction are X direction and Y direction, respectively. More preferably, the base 10 is a square plate, and the length direction of the base 10 is defined as the X direction, and the width direction is defined as the Y direction.

The floating platform 20 is movably arranged above the base 10, an air guide pipe cavity 21 is arranged in the floating platform 20 and used for being connected with vacuum pumping equipment, and it is noted that in the invention, the thickness of 3D glass to be positioned and screen-printed is about 1mm, in the specific positioning process, the 3D glass to be positioned is placed on the floating platform 20, the vacuum pumping equipment is started, and the 3D glass with the cambered surface is adsorbed on the floating platform 20 by using vacuum suction force to form a plane shape. In the present invention, the vacuum-pumping device is used to generate vacuum suction force, and the vacuum-pumping device in the prior art can be used, which is not described in detail herein. Referring to fig. 4 and 5, the gas guide cavity 21 is schematically arranged, and the gas guide cavity 21 extends along the floating platform 20 to the side part thereof, so as to be in an avoiding position with the rest of the parts above and below.

The two mounting seats 30 are respectively arranged along the X direction and the Y direction of the base 10, and the two mounting seats 30 positioned in the X direction and the Y direction are driven by a first driving source arranged on the base 10 to move oppositely and synchronously; the column 31 is vertically arranged and can be vertically movably arranged on the mounting seat 30, and the column 31 vertically moves and extends above the floating platform 20 through the floating platform; the supporting platform 40 is movably arranged between the floating platform 20 and the base 10; the 3D glass to be positioned is placed on the floating platform 20 and is fixedly adsorbed by a vacuumizing device, the column 31 moves to clamp the 3D glass to be positioned and is movably positioned, and the supporting platform 40 moves upwards and adsorbs and supports the floating platform 20. It should be noted that the source of the suction force of the support platform 40 is an external vacuum-pumping device, i.e. the support platform 20 and the external vacuum-pumping device are connected by a branch pipe.

In the floating platform screen printing jig provided by the invention, 3D glass to be positioned is placed on a floating platform 20, the 3D glass to be positioned is adsorbed and fixed on the floating platform 20 by utilizing the vacuum suction force generated by peripheral vacuum pumping equipment, then the 3D glass to be positioned is clamped by utilizing X-direction and Y-direction cylinders 31, and in the process, the floating platform 20 and the 3D glass to be positioned move to a positioning position together; then supporting platform 40 moves up and adsorbs the support floating platform 20, cylinder 31 falls and returns to initial position, has accomplished 3D glass's accurate location this moment, directly carry out the screen printing operation can, after the screen printing is accomplished, close evacuation equipment, take away 3D glass.

In the present invention, the first driving source includes a driving stepping motor 50 and a timing belt 51, and the driving stepping motor 50 is disposed on the base 10. More preferably, in order to achieve a compact jig structure, the driving stepping motor 50 is mounted and fixed on the base 10 via a bracket in an inverted manner, i.e., the output shaft of the driving stepping motor 50 is arranged downward.

One end of the synchronous belt 51 is sleeved on the output shaft of the driving stepping motor 50, the other end of the synchronous belt 51 is fixed on the base 10 through the bearing 52 in a tensioning mode, the synchronous belt 51 is annular as a whole, the synchronous belt is sleeved on the output shaft of the driving stepping motor 50 and the bearing 52 to rotate, and the two mounting bases 30 arranged in the X direction or the Y direction are fixed on two sides of the synchronous belt 51 respectively, so that the two mounting bases 30 are close to or far away from each other when the synchronous belt 51 rotates forwards or backwards.

further, according to the present invention, in order to ensure the stability of the installation bases 30 in the process of approaching to each other or separating from each other, the bottom of the installation base 30 is provided with a sliding block 32, the base 10 is provided with a guide rail 11 extending along the X direction and the Y direction, and the sliding block 32 and the guide rail 11 form a guiding limit fit.

Further, in the present invention, the mounting base 30 is further provided with a blocking sheet 33, the blocking sheet 33 cooperates with the photoelectric sensor 12 arranged on the base 10 to determine the relative position of the mounting base 30, and specifically, the photoelectric sensor 12 is EE-SX772 of OMRON.

in the present invention, as a specific embodiment that the cylinder 31 ascends or descends in the vertical direction, the mounting base 30 is provided with a first driving cylinder 34, and the cylinder 31 is fixed on a telescopic shaft of the first driving cylinder 34. The cylinder 31 is driven to ascend or descend by the expansion and contraction of the expansion shaft of the first driving cylinder 34, specifically, the first driving cylinder 34 is selected from an alder precision sliding table cylinder with the model number of HLQ8X 10S.

Further, in the present invention, in order to achieve reliable clamping and prevent the displacement of the 3D glass and the floating platform 20 when the cylinders 31 push the two, the number of the cylinders 31 is preferably at least two, and the cylinders are arranged at intervals; for this purpose, a support 341 arranged transversely is provided on the telescopic shaft of the first driving cylinder 34, and at least two columns 31 arranged at intervals are provided on the support 341.

In the invention, the supporting platform 40 is used as a support after the floating platform 20 and the 3D glass are positioned, the supporting platform 40 comprises a second driving cylinder 41 and a suction cup 42, the second driving cylinder 41 is provided with a plurality of suction cups 42 which are arranged on the base 10 at intervals, the suction cups 42 are arranged on the telescopic shafts of the second driving cylinder 41, and the suction surfaces of the suction cups 42 on the plurality of second driving cylinders 41 are flush with each other, specifically, the second driving cylinder 41 is selected from a rodman guide rod cylinder, and the model is TACQ40X 5S.

in the invention, support columns 13 are respectively arranged at four corners of the base 10, support seats 14 are arranged at the upper ends of the support columns 13, and bearing balls 141 for supporting the floating platform 20 are arranged on the support seats 14.

furthermore, a small-diameter spring positioning column 142 is arranged on the supporting seat 14 beside the bearing ball 141 and forms a leaning fit with the side edge of the floating platform 20, a cover plate 15 is further fixed above the supporting seat 14, and the cover plate 15 is covered on the floating platform 20. The movement of the floating platform 20 is buffered by the small-diameter spring positioning column 142, so that the floating platform approaches to a positioning position at a slow speed, and the cover plate 15 is used for limiting the vertical position of the floating platform 20 to prevent the floating platform from moving.

In the invention, in order to further support the floating platform 20, the base 10 is further provided with a support column 17, and the support column 17 is arranged at the central position of the base 10.

In the invention, the floating platform screen printing jig further comprises two handles 16, and the two handles 16 are symmetrically fixed on the opposite sides of the base 10. Therefore, the floating platform screen printing jig can be conveniently carried.

In the invention, in order to realize the protection of the floating platform screen printing jig, a protective cover 18 is covered on the whole base 10, and a through hole is arranged above the protective cover 18 for arranging the floating platform 20.

In the invention, the precise positioning of the 3D glass with different specifications and sizes is realized by adjusting and replacing the floating platform 20, when the glass is specifically replaced, the cover plate 15 is detached, and another floating platform 20 is put on, so that the glass positioning device is simple and convenient, and is suitable for the precise positioning of the 3D glass with different models. By putting the floating platform screen printing jig developed by the invention into a V14 screen printing machine of the company, the screen printing precision of the 3D glass is stable, and the overall yield is obviously improved.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a floating platform screen printing tool which characterized in that includes:

A base (10);

the floating platform (20) is movably arranged above the base (10), and an air guide pipe cavity (21) is arranged in the floating platform (20) and is used for connecting vacuum-pumping equipment;

two mounting seats (30) are respectively arranged along the X direction and the Y direction of the base (10), and the two mounting seats (30) positioned in the X direction and the Y direction are driven by a first driving source arranged on the base (10) to move oppositely and synchronously;

a column (31) vertically disposed and vertically movably disposed on the mounting base (30), the column (31) vertically moving and extending through the floating platform (20) to above it;

A support platform (40) movably disposed between the floating platform (20) and the base (10);

The 3D glass to be positioned is placed on the floating platform (20) and is fixedly adsorbed by vacuumizing equipment, the column (31) moves to clamp the 3D glass to be positioned and is movably positioned, and the supporting platform (40) moves upwards and adsorbs to support the floating platform (20).

2. a floating platform screen printing jig according to claim 1 wherein the first drive source comprises:

a driving stepping motor (50) arranged on the base (10),

one end of the synchronous belt (51) is sleeved on the output shaft of the driving stepping motor (50), the other end of the synchronous belt is tensioned and fixed on the base (10) through a bearing (52),

the mounting seat (30) is fixed on the synchronous belt (51) and driven by a driving stepping motor (50) to move close to or away from each other.

3. the floating platform screen printing jig of claim 2, wherein the bottom of the mounting base (30) is provided with a sliding block (32), the base (10) is provided with a guide rail (11) extending along the X direction and the Y direction, and the sliding block (32) and the guide rail (11) form a guiding limit fit.

4. The floating platform screen printing jig of claim 2, wherein the mounting base (30) is further provided with a blocking piece (33), and the blocking piece (33) is matched with the photoelectric sensor (12) arranged on the base (10) to determine the relative position of the mounting base (30).

5. The floating platform screen printing jig of claim 1, wherein the mounting base (30) is provided with a first driving cylinder (34), and the cylinder (31) is fixed on a telescopic shaft of the first driving cylinder (34).

6. The floating platform screen printing jig of claim 5, wherein the telescopic shaft of the first driving cylinder (34) is provided with a transversely arranged support plate (341), and the support plate (341) is provided with at least two spaced cylinders (31).

7. The floating platform screen printing jig of claim 1, wherein the support platform (40) comprises:

A second driving cylinder (41) which is provided with a plurality of cylinders and is arranged on the base (10) at intervals;

And the suckers (42) are arranged on the telescopic shafts of the second driving cylinders (41), and the suction surfaces of the suckers (42) on the plurality of second driving cylinders (41) are flush with each other.

8. The floating platform screen printing jig of claim 1, wherein support columns (13) are respectively arranged at four corners of the base (10), support seats (14) are arranged at upper ends of the support columns (13), and bearing balls (141) for supporting the floating platform (20) are arranged on the support seats (14).

9. The floating platform screen printing jig of claim 8, wherein the supporting seat (14) beside the bearing balls (141) is provided with small-diameter spring positioning columns (142) which are in abutting fit with the side edges of the floating platform (20), a cover plate (15) is further fixed above the supporting seat (14), and the cover plate (15) is covered on the floating platform (20).

10. the floating platform screen printing jig of claim 1, further comprising:

And two handles (16) are symmetrically fixed at the opposite side parts of the base (10).