CN111038076A

CN111038076A - Screen printing machine's rack lifting mechanism

Info

Publication number: CN111038076A
Application number: CN201911349091.9A
Authority: CN
Inventors: 吕所明; 江志农; 赵会军
Original assignee: Nanjing Chuqing Electronic Technology Co Ltd
Current assignee: Nanjing Chuqing Electronic Technology Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-04-21

Abstract

The invention discloses a net rack lifting mechanism of a screen printing machine, which comprises a workbench, wherein supporting plates are fixed at four corners of the bottom of the workbench, two guide columns are vertically fixed at two sides of the top of the workbench, a connecting plate is fixed above the two guide columns, a screw rod is also arranged between the two guide columns, a movable slide block is screwed outside the screw rod, guide plates are fixed at two sides of the movable slide block, a bearing frame is fixed between the movable slide blocks at two sides of the top of the workbench, a laser range finder and a reflecting mirror are respectively arranged on an upper mounting plate and a lower mounting plate, a first rotating shaft and a second rotating shaft are respectively arranged at two sides of the bottom of the workbench below the screw rod, a first driving wheel is sleeved on the first rotating shaft, two second driving wheels are sleeved on the second rotating shaft, a motor is also arranged at one side of the bottom of the workbench, a belt pulley is sleeved at, guarantee the lift of rack steady, effectively improve the printing precision, reduced the cost of manufacture, improve the printing effect.

Description

Screen printing machine's rack lifting mechanism

Technical Field

The invention relates to the technical field of screen printing machines, in particular to a net rack lifting mechanism of a screen printing machine.

Background

The PC board contains PC sheet, PC endurance plate, PC dull polish board, PC particle board, PC sound barrier special-purpose board etc. in PC glass board processing technology, needs screen printing machine to print, and screen printing machine is the machine that utilizes the screen printing plate to execute the seal, belongs to one kind of printing machine, and in current otter board printing technique, the lift of rack is not steady, and the control that the height of required lifting can not be fine moreover, leads to the printing precision not high. And current rack lifting constitutes through a plurality of motors and complicated part for guaranteeing the steady lifting of rack, has increased the cost of manufacture undoubtedly.

Based on the above, the invention designs a net rack lifting mechanism of a screen printing machine, so as to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a net rack lifting mechanism of a screen printing machine, which ensures the stability of a net rack during lifting, ensures the stable lifting of the net rack, effectively improves the printing precision, reduces the manufacturing cost and improves the printing effect so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a screen frame lifting mechanism of screen process press, includes the workstation, the bottom four corners department of workstation all is fixed with the backup pad, the top both sides of workstation all vertically are fixed with two guide posts, two the top of guide post is fixed with the connecting plate, two still be equipped with the lead screw between the guide post, the lead screw is vertically installed between workstation and connecting plate, the outside spiro union of lead screw has movable slider, the both sides of movable slider are fixed with the deflector, two the deflector overlaps respectively and is established outside two guide posts, be fixed with the bearing frame between the movable slider of workstation top both sides, one side install the mounting panel on the connecting plate, be located install down the mounting panel on the movable slider of upper mounting panel below, install laser range finder and speculum respectively on upper mounting panel and the lower mounting panel, pivot one and pivot two are installed respectively to the bottom both sides of workstation below that is located the lead screw, the utility model discloses a workstation, including pivot one, pivot two, drive wheel one and one of them drive wheel two, the motor is still installed to bottom one side of workstation, the output cover of motor is equipped with the belt pulley, belt pulley and another drive wheel two are connected through drive belt one.

Preferably, the outer side of the bearing frame is provided with a guard plate.

Preferably, the reflector is located directly below the laser range finder.

Preferably, the top ends of the first rotating shaft and the second rotating shaft are connected to the workbench through bearings, and the top ends of the first rotating shaft and the second rotating shaft are connected with the bottom end of the screw rod.

Preferably, the motor is a stepping motor.

Preferably, the model of the laser range finder is JY-MSE-D150.

Compared with the prior art, the invention has the beneficial effects that: the screen frame lifting mechanism of the screen printing machine drives the bearing frames on the two sides to synchronously move through the motor, the belt pulley, the driving wheel I, the two driving wheels II, the driving belt I and the driving belt II, so that the stability of the screen frame during lifting is ensured, the stability of the lifting of the screen frame is ensured, the printing precision is effectively improved, and compared with the prior art, the screen frame lifting mechanism is composed of a plurality of motors and complex parts, the manufacturing cost is reduced, and the maintenance is convenient; and the lifting height of the bearing frame can be accurately measured through the laser range finder and the reflector, the adjusting precision is high, and the printing effect is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a workbench; 2-a support plate; 3-a guide post; 4-connecting plates; 5-a screw rod; 6-a movable sliding block; 7-a guide plate; 8-a bearing frame; 9-protecting plate; 10-an upper mounting plate; 11-a lower mounting plate; 12-a laser rangefinder; 13-a mirror; 14-a first rotating shaft; 15-rotating shaft two; 16-driving wheel one; 17-driving wheel two; 18-a motor; 19-a belt pulley; 20-a first transmission belt; 21-a second transmission belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a net rack lifting mechanism of a screen printing machine comprises a workbench 1, wherein supporting plates 2 are fixed at four corners of the bottom of the workbench 1, two guide columns 3 are vertically fixed at two sides of the top of the workbench 1, a connecting plate 4 is fixed above the two guide columns 3, a screw rod 5 is further arranged between the two guide columns 3, the screw rod 5 is vertically arranged between the workbench 1 and the connecting plate 4, a movable slider 6 is screwed outside the screw rod 5, guide plates 7 are fixed at two sides of the movable slider 6, the two guide plates 7 are respectively sleeved outside the two guide columns 3, a bearing frame 8 is fixed between the movable sliders 6 at two sides of the top of the workbench 1, an upper mounting plate 10 is arranged on the connecting plate 4 at one side, a lower mounting plate 11 is arranged on the movable slider 6 below the upper mounting plate 10, and a laser range finder 12 and a reflecting mirror 13 are respectively arranged on the upper mounting plate 10 and the lower mounting plate, the reflecting mirror 13 is located under the laser range finder 12, a first rotating shaft 14 and a second rotating shaft 15 are respectively installed on two sides of the bottom of the workbench 1 and located below the screw rod 5, a first driving wheel 16 is sleeved on the first rotating shaft 14, two driving wheels 17 are sleeved on the second rotating shaft 15, the first driving wheel 16 is connected with the second driving wheel 17 through a second driving belt 21, a motor 18 is further installed on one side of the bottom of the workbench 1, a belt pulley 19 is sleeved on an output end of the motor 18, and the belt pulley 19 is connected with the second driving wheel 17 through a first driving belt 20.

Wherein, the outside of bearing frame 8 is equipped with backplate 9, can protect and spacing installation the rack of installing on bearing frame 8.

The top ends of the first rotating shaft 14 and the second rotating shaft 15 are connected to the workbench 1 through bearings, and the top ends are connected with the bottom end of the screw rod 5.

The motor 18 is a stepping motor, and the type of the laser range finder 12 of the laser range finder is JY-MSE-D150.

The specific working principle is as follows:

during the use, install screen printing machine's rack on bearing frame 8, when needing to lift the rack, the accessible is with motor 18 switch on, motor 18 is step motor, loop through belt pulley 19, drive wheel 16 and two drive wheels two 7 and drive belt one 20 and drive belt two 21 drive the lead screw 5 that is located workstation 1 upper both sides and carry out work, because movable slider 6 spiro union is on lead screw 5, and carry out stable up-and-down motion under both sides deflector 7 and guide post 3 effect, because the both sides synchronous motion that bears frame 8 that is used for the installation, stability when guaranteeing the rack lift, guarantee the lift of rack steady, effectively improve the printing precision, constitute through a plurality of motors and complicated part for prior art, the cost of manufacture has been reduced, be convenient for maintain. And through laser range finder 12 and the reflector 13 that are located on last mounting panel 10 and lower mounting panel 11, laser range finder 12 passes through the laser beam of transmission and passes through reflector 13 reflection receipt, can the accurate measurement height of bearing frame 8 lifting, and the regulation precision is high, improves the printing effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a screen printing machine's rack lifting mechanism, includes workstation (1), its characterized in that: the bottom four corners of the workbench (1) are respectively fixed with a support plate (2), two guide posts (3) are vertically fixed on two sides of the top of the workbench (1), a connecting plate (4) is fixed above the two guide posts (3), a screw rod (5) is further arranged between the two guide posts (3), the screw rod (5) is vertically arranged between the workbench (1) and the connecting plate (4), a movable sliding block (6) is screwed outside the screw rod (5), guide plates (7) are fixed on two sides of the movable sliding block (6), the two guide plates (7) are respectively sleeved outside the two guide posts (3), a bearing frame (8) is fixed between the movable sliding blocks (6) on two sides of the top of the workbench (1), an upper mounting plate (10) is installed on the connecting plate (4), and a lower mounting plate (11) is installed on the movable sliding block (6) below the upper mounting plate (10), go up mounting panel (10) and install laser range finder (12) and speculum (13) on mounting panel (11) down respectively, the below that the bottom both sides of workstation (1) are located lead screw (5) is installed pivot (14) and pivot two (15) respectively, the cover is equipped with drive wheel (16) on pivot (14), the cover is equipped with two drive wheels (17) on pivot two (15), drive wheel (16) is connected through driving belt two (21) with one of them drive wheel two (17), motor (18) are still installed to bottom one side of workstation (1), the output cover of motor (18) is equipped with belt pulley (19), belt pulley (19) and another drive wheel two (17) are connected through driving belt (20).

2. The screen frame lifting mechanism of the screen printing machine according to claim 1, wherein: and a guard plate (9) is arranged on the outer side of the bearing frame (8).

3. The screen frame lifting mechanism of the screen printing machine according to claim 1, wherein: .

4. The screen frame lifting mechanism of the screen printing machine according to claim 1, wherein: the top ends of the first rotating shaft (14) and the second rotating shaft (15) are connected to the workbench (1) through bearings, and the top ends of the first rotating shaft and the second rotating shaft are connected with the bottom end of the screw rod (5).

5. The screen frame lifting mechanism of the screen printing machine according to claim 1, wherein: the motor (18) is a stepping motor.

6. The screen frame lifting mechanism of the screen printing machine according to claim 1, wherein: the type of the laser range finder (12) is JY-MSE-D150.