CN212827331U

CN212827331U - PCB screen printing quick positioning device

Info

Publication number: CN212827331U
Application number: CN202021219644.7U
Authority: CN
Inventors: 钟小平; 朱友军; 谭春梅
Original assignee: Hubei Tianling Electronic Technology Co ltd
Current assignee: Hubei Tianling Electronic Technology Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-30
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a quick positioner of PCB circuit board screen printing, including fixed frame, fixed plate, slide rail, first slider, spacer pin and elasticity joint piece. This quick positioner of PCB circuit board screen printing, during the use, at first take the screen printing otter board and put the screen printing otter board in fixed frame, then the PCB circuit board of taking puts on the fixed plate, then begin work through on-off control air pump, the air pump begins to take out the air of inner chamber through connecting tube and coupling, make the interior intracavity form the negative pressure, make the PCB circuit board fixed on the top surface of fixed plate, then promote fixed frame, fixed frame drives the screen printing otter board through first slider and prolongs the slide rail and remove to the fixed plate direction, first slider drives the elasticity joint piece through the installation piece and removes to the spacer pin simultaneously, final elasticity joint piece joint is in the outside of spacer pin, make the screen printing otter board be located the PCB circuit board directly over simultaneously, then begin to carry out the screen printing to the PCB circuit board.

Description

PCB screen printing quick positioning device

Technical Field

The utility model relates to a circuit board production field specifically is a quick positioner of PCB circuit board screen printing.

Background

The circuit board silk screen printing is to manufacture a printed circuit board by using a silk screen printing technology. The silk screen printing refers to a silk screen printing layer, and the layer containing characters is layered when the pcb is drawn, and is used for marking elements or adding other information, and the layer is called the silk screen printing layer. The shapes, serial numbers and other descriptive characters of the components are printed on the component surface or the soldering tin surface in a screen printing mode, so that the plug-in unit (including the surface mounting component patch) in the circuit board production process and the maintenance operation of products in the future are facilitated. The silk screen layer is generally placed on the top layer, but for electronic products which have high failure rate and need frequent maintenance, such as motherboards of televisions, computer monitors, printers and the like, the silk screen layer can be arranged on the component surface and the soldering tin surface.

The screen printing of the PCB is a name for carrying out screen printing on the screen printing layer of the PCB, but the screen printing screen plate cannot be quickly positioned in the existing screen printing process of the PCB, so that the production efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick positioner of PCB circuit board screen printing to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a quick positioner of PCB circuit board screen printing, which comprises a base plate, the top surface symmetry fixedly connected with slide rail of base plate, be equipped with the fixed plate between the slide rail, fixed plate bottom surface fixed mounting is in top surface one side of base plate, bottom surface one side fixed mounting of base plate has the air pump, the outside of slide rail is equipped with the spacer pin, spacer pin symmetry fixed mounting is in the top surface both sides of base plate, the one end outer wall sliding connection of slide rail has the first slider rather than the looks adaptation, the other end outer wall sliding connection of slide rail has the second slider rather than the looks adaptation, the top surface of fixed plate is equipped with the PCB circuit board, the fixed frame of top surface fixedly connected with of first slider, the equal symmetrical threaded connection of both sides outer wall of fixed frame has the screw thread handle, one side fixedly connected with installation piece of first slider, outer wall one side fixedly connected with elasticity joint piece of.

As a further aspect of the present invention: the air pump is characterized in that an inner cavity is formed in the fixing plate, air holes are formed in the bottom surface of the fixing plate, the air holes are communicated with the inner cavity, a pipe joint is fixedly connected to one side of the fixing plate and communicated with the inner cavity, and the pipe joint is connected with an air inlet pipeline of the air pump through a pipeline.

As a further aspect of the present invention: the PCB is characterized in that stop blocks are fixedly connected to four corners of the top surface of the fixing plate, the stop blocks are L-shaped, the PCB is arranged between the stop blocks, and the elastic clamping pieces are formed by bending elastic metal sheets.

As a further aspect of the present invention: the screen printing screen plate is arranged in the fixing frame, the two sides of the top surface of the screen printing screen plate are symmetrically and fixedly connected with separation blades, the bottom surfaces of the separation blades are flush with the top surface of the fixing frame, the threaded handles are four and symmetrical, and one end of each threaded handle penetrates through the fixing frame and is in contact with the outer wall of the screen printing screen plate.

As a further aspect of the present invention: the top surface fixedly connected with connecting rod of second slider, the connecting rod is the U-shaped, and the bottom surface fixedly connected with brush of connecting rod, the brush hair of brush and PCB circuit board flush.

As a further aspect of the present invention: the air pump is electrically connected with the switch through an electric wire, and the switch is externally connected with a power supply.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a fixed plate, the air pump, the inner chamber, cooperation between bleeder vent and the coupling is used, make the PCB board can be neat firm fix the top surface at the fixed plate, through the base plate, a slide rail, the spacer pin, first slider, fixed frame, the screw thread handle, cooperation between installation piece and the elasticity joint piece is used, make fixed frame can be convenient go on fixing to the silk screen printing screen board, fixed frame can drive the top of silk screen printing screen board fast migration to the PCB board simultaneously, and fixed and spacing, thereby make completion that this device can be quick to the location of PCB circuit board silk screen printing, increase the speed of silk screen printing, and the production efficiency is improved.

2. Through the cooperation use between base plate, slide rail, second slider, connecting rod and the brush for the brush can prolong the slide rail and carry out linear movement, clears up PCB circuit board surface, avoids PCB board surface dust impurity to influence silk screen printing effect, thereby makes this device have the function of clearance.

Drawings

Fig. 1 is a schematic structural diagram of a screen printing fast positioning device for a PCB.

Fig. 2 is a front cross-sectional view of a screen printing fast positioning device for a PCB.

FIG. 3 is a split view of a PCB screen printing fast positioning apparatus.

In the figure: the air pump type air conditioner comprises a base plate 1, a sliding rail 2, a fixing plate 3, an air pump 4, a limiting pin 5, a first sliding block 6, a second sliding block 7, an inner cavity 8, an air hole 9, a pipe joint 10, a stop block 11, a fixing frame 12, a threaded handle 13, an installation block 14, an elastic clamping sheet 15, a connecting rod 16, a hairbrush 17 and a switch 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a screen printing fast positioning device for a PCB comprises a substrate 1, slide rails 2 symmetrically and fixedly connected to a top surface of the substrate 1, a fixing plate 3 disposed between the slide rails 2, a bottom surface of the fixing plate 3 fixedly mounted on one side of the top surface of the substrate 1, an air pump 4 fixedly mounted on one side of the bottom surface of the substrate 1, a stop pin 5 disposed on an outer side of the slide rail 2, the stop pin 5 symmetrically and fixedly mounted on two sides of the top surface of the substrate 1, a first slide block 6 adapted to the slide rail 2 and connected to an outer wall of one end of the slide rail 2, a second slide block 7 adapted to the slide rail 2 and connected to an outer wall of the other end of the slide rail 2, an inner cavity 8 disposed in the fixing plate 3, vent holes 9 formed in a bottom surface of the fixing plate 3, the pipe joint 10 is connected with an air inlet pipeline of an air pump 4 through a pipeline, four corners of the top surface of a fixed plate 3 are fixedly connected with stop blocks 11, the stop blocks 11 are L-shaped, the top surface of the fixed plate 3 is provided with a PCB circuit board which is arranged between the stop blocks 11, the top surface of a first sliding block 6 is fixedly connected with a fixed frame 12, a screen printing screen plate is arranged in the fixed frame 12, two sides of the top surface of the screen printing screen plate are symmetrically and fixedly connected with stop pieces, the bottom surfaces of the stop pieces are flush with the top surface of the fixed frame 12, two outer walls of two sides of the fixed frame 12 are symmetrically and threadedly connected with threaded handles 13, the threaded handles 13 are four and symmetric in pairs, one end of each threaded handle 13 penetrates through the fixed frame 12 and is contacted with the outer wall of the screen printing screen plate, one side of the first sliding block 6 is fixedly connected with an installation block 14, one side of, the top surface fixedly connected with connecting rod 16 of second slider 7, connecting rod 16 are the U-shaped, and the bottom surface fixedly connected with brush 17 of connecting rod 16, the brush hair of brush 17 flushes with the PCB circuit board, and the top surface one corner fixed mounting of base plate 1 has switch 18, and air pump 4 passes through electric wire and switch 18 electric connection, and switch 18 is external to have the power.

The utility model discloses a theory of operation is:

when the device is used, firstly, the screen printing screen plate is taken and placed in the fixing frame 12, at the moment, a separation blade on the screen printing screen plate is in contact with the fixing frame 12 to support the screen printing screen plate, then the threaded handle 13 is rotated to enable the end part of the threaded handle 13 to be in contact with the outer wall of the screen printing screen plate, so that the screen printing screen plate is fixed in the fixing frame 12, then the PCB is taken and placed on the fixing plate 3, at the moment, the stop block 11 limits the PCB to enable the PCB to be placed, then the air pump 4 is controlled to start working through the switch 18, the air pump 4 starts to pump out air in the inner cavity 8 through the connecting pipeline and the pipe connector 10 to enable negative pressure to be formed in the inner cavity 8, then the inner cavity 8 forms a suction force on the bottom surface of the PCB through the air holes 9 to enable the PCB to be fixed on the top surface of the fixing plate 3, then the connecting rod 16 is pushed to enable the connecting rod, connecting rod 16 drives brush 17 and clears up the surface of PCB circuit board this moment, then promote fixed frame 12, fixed frame 12 drives the silk screen board through first slider 6 and prolongs slide rail 2 and remove to 3 directions of fixed plate, first slider 6 drives elasticity joint piece 15 through installation piece 14 and removes to spacer pin 5 simultaneously, 15 joints of final elasticity joint piece are in the outside of spacer pin 5, the position of fixed frame 12 this moment is fixed, make the silk screen board be located PCB circuit board directly over simultaneously, then begin to carry out the silk screen printing to PCB circuit board.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a quick positioner of PCB circuit board screen printing, includes base plate (1), its characterized in that: the top surface of the base plate (1) is symmetrically and fixedly connected with slide rails (2), a fixing plate (3) is arranged between the slide rails (2), the bottom surface of the fixing plate (3) is fixedly installed on one side of the top surface of the base plate (1), an air pump (4) is fixedly installed on one side of the bottom surface of the base plate (1), a limiting pin (5) is arranged on the outer side of each slide rail (2), the limiting pins (5) are symmetrically and fixedly installed on two sides of the top surface of the base plate (1), a first sliding block (6) matched with the slide rails is connected to the outer wall of one end of each slide rail (2) in a sliding manner, a second sliding block (7) matched with the slide rails is connected to the outer wall of the other end of each slide rail (2) in a sliding manner, a PCB circuit board is arranged on the top surface of the fixing plate (3), a fixing frame (12) is fixedly connected to the top, an elastic clamping sheet (15) is fixedly connected to one side of the outer wall of the mounting block (14), the elastic clamping sheet (15) corresponds to and is matched with the limiting pin (5), and a switch (18) is fixedly mounted at one corner of the top surface of the substrate (1).

2. The PCB screen printing quick positioning device of claim 1, wherein: the air pump is characterized in that an inner cavity (8) is formed in the fixing plate (3), air holes (9) are formed in the bottom surface of the fixing plate (3), the air holes (9) are communicated with the inner cavity (8), a pipe joint (10) is fixedly connected to one side of the fixing plate (3), the pipe joint (10) is communicated with the inner cavity (8) in the inner part, and the pipe joint (10) is connected with an air inlet pipeline of the air pump (4) through a pipeline.

3. The PCB screen printing quick positioning device of claim 1, wherein: the PCB is characterized in that stop blocks (11) are fixedly connected to four corners of the top surface of the fixing plate (3), the stop blocks (11) are L-shaped, the PCB is arranged between the stop blocks (11), and the elastic clamping pieces (15) are formed by bending elastic metal sheets.

4. The PCB screen printing quick positioning device of claim 1, wherein: be equipped with the screen printing otter board in fixed frame (12), the equal symmetry fixedly connected with separation blade in screen printing otter board's top surface both sides, the bottom surface of separation blade flushes with the top surface of fixed frame (12), screw thread handle (13) are equipped with four and two bisymmetries, and the one end of screw thread handle (13) is passed fixed frame (12) and is touched with the outer wall of screen printing otter board.

5. The PCB screen printing quick positioning device of claim 1, wherein: the top surface of the second sliding block (7) is fixedly connected with a connecting rod (16), the connecting rod (16) is U-shaped, the bottom surface of the connecting rod (16) is fixedly connected with a brush (17), and bristles of the brush (17) are flush with the PCB.

6. The PCB screen printing quick positioning device of claim 1, wherein: the air pump (4) is electrically connected with the switch (18) through an electric wire, and the switch (18) is externally connected with a power supply.