CN206781230U - A kind of pcb board silk-screen printing device - Google Patents
A kind of pcb board silk-screen printing device Download PDFInfo
- Publication number
- CN206781230U CN206781230U CN201720421149.6U CN201720421149U CN206781230U CN 206781230 U CN206781230 U CN 206781230U CN 201720421149 U CN201720421149 U CN 201720421149U CN 206781230 U CN206781230 U CN 206781230U
- Authority
- CN
- China
- Prior art keywords
- wire frame
- extension spring
- silk
- frame
- locating extension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pcb board silk-screen printing device, including with the operating platform for placing platen, it is arranged on the wire frame placed platen side and be rotatablely connected with operating platform, and wire frame can be made to be limited to the position limiting structure of the position of readiness being rotated up, the regulating block that can be moved forward and backward is provided with positioned at the front side of setting wire frame on the operational platform, Locating extension spring is connected with regulating block, the other end of Locating extension spring is connected with the side of wire frame, when wire frame is in the holding state being rotated up, Locating extension spring is in extended state, and Locating extension spring is located at the upside of the pivot center of wire frame；When wire frame is in the printing state rotated down, Locating extension spring is in extended state, and Locating extension spring is located at the downside of the pivot center of wire frame.The utility model can make wire frame reliable location, effectively avoid the wire frame caused by false touch is touched from voluntarily turning over, and be advantageous to improve yield rate and production efficiency.
Description
Technical field
Pcb board manufacturing field is the utility model is related to, more particularly, to a kind of pcb board silk-screen printing device.
Background technology
Pcb board（That is printed circuit board (PCB)）Manufacture need to print corrosion resistant electricity in copper-clad plate by silk-screen printing device
Lu Tu, then the copper foil on copper-clad plate surface is eroded.Washing the circuit diagram of printing, you can leave consistent with circuit diagram
Copper foil, so as to turn into pcb board.At present, although the silk-screen printing device or production line of some existing automations, can be achieved pcb board
Automatic printing and manufacture, but it is not suitable with the processing of the pcb board of small lot.Typically for the pcb board of some small lots
What printing still or using silk screen hand-printing was realized.Existing hand-screen device, which generally includes one, has placement
The operating platform of the placement platen of pcb board, the wire frame of a rectangle is set on operating platform, is bonded with wire frame taut
Tight silk screen, a side and the operating platform of wire frame are rotatablely connected.During printing, wire frame is treated in what is be flipped up
Machine state, first pcb board is placed on the placement platen of operating platform, then rotates down wire frame, is made on wire frame
Silk screen be bonded with pcb board, wire frame now is in horizontal printing state.Then the oil on silk screen is scraped with scraping blade
Ink, corrosion resistant ink can pass through silk screen and is printed onto on pcb board, then be flipped up wire frame, you can remove printing
Good pcb board.
In order to which side enables wire frame to be positioned at holding state, it will usually which turning for wire frame rotational angle can be limited by setting
Dynamic position limiting structure.When wire frame is rotated up more than 90 degree, by the Action of Gravity Field of wire frame itself, wire frame leans on
Lean against on rotary position limiting structure, so that wire frame is positioned at holding state.Now the center of gravity of wire frame is with passing through silk screen
There is an eccentric throw between the perpendicular of the center of rotation of framework, that is to say, that the gravity of wire frame itself can produce one
Individual eccentric torque, so that wire frame is positioned at holding state, and rotary position limiting structure simply plays a restriction screen frame
The effect of frame rotational angle.When wire frame is swung down to printing state, wire frame is equally to rely on the gravity of itself
And position.But wire frame is typically to use made of aluminum alloy square tube, therefore the gravity of its own is smaller, so as to cause silk screen
Positioning of the framework in holding state is unreliable.Although someone on wire frame by setting up balancing weight to increase wire frame
Eccentric torque in holding state, but when operating personnel touch wire frame by mistake, still result in the accident of wire frame
Rotate down, gently can then cause the ink contamination of the pcb board on printing platform, reduce yield rate and production efficiency, seriously very
The damage of silk screen can be extremely caused, and balancing weight can improve the working strength of operating personnel.
Utility model content
The purpose of this utility model is to solve the wire frame positioning present in existing pcb board silk-screen printing device
The problem of unreliable, wire frame easily voluntarily turns over, there is provided a kind of pcb board silk-screen printing device, its is simple in construction, can make silk
Screen frame frame reliable location, effectively avoid the wire frame caused by false touch is touched from voluntarily turning over, be advantageous to improve the yield rate of pcb board
And production efficiency.
To achieve these goals, the utility model uses following technical scheme：
A kind of pcb board silk-screen printing device, including with placing the operating platform of platen, be arranged on and place platen side simultaneously
The wire frame being rotatablely connected with operating platform and the spacing knot that wire frame can be made to be limited to the position of readiness being rotated up
Structure, it is characterized in that, two bearing blocks in left and right are provided with operating platform at the front side of placement platform, are set between two bearing blocks
There is a rotatable rotary shaft, compartment of terrain is provided with two frameworks and pressed from both sides in the rotary shaft, and frame fixture has a U-clamp groove, silk-screen
One side frame of framework is located in U-clamp groove, is corresponded on framework folder and holding screw, the holding screw are provided with U-clamp groove
Tail end stretch into U-clamp groove and against the side frame of silk-screen framework, one end that rotary shaft stretches out bearing block is provided with and radially extended
Poke rod, be provided with regulating block positioned at the front side of wire frame on the operational platform, Locating extension spring be connected with the regulating block,
The other end of the Locating extension spring is connected with the end of poke rod, when wire frame is rotated up to holding state, positioning
Extension spring is located at the upside of the pivot center of wire frame；When wire frame is swung down to printing state, Locating extension spring is located at
The downside of the pivot center of wire frame.
Silk-screen framework of the present utility model is to determine on the rotating shaft, therefore, to be advantageous to simplify by the way that two frameworks are clamping
The structure of silk-screen framework, two framework folders can clamp the silk-screen framework of different sizes, while facilitate the assembly and disassembly of silk-screen framework.
Particularly, the utility model sets a poke rod in the rotary shaft of wire frame, and connects between poke rod and regulating block
Connect a Locating extension spring.When wire frame is in the holding state being rotated up, Locating extension spring is located at the rotation of wire frame
The upside of axis, that is to say, that there is an eccentric throw between the center line of Locating extension spring and the pivot center of wire frame, from
And an eccentric torque opened up is formed to wire frame, wire frame is reliably positioned at position of readiness.Even if
Wire frame is touched by false touch and rotates down a small angle, and it is standby that Locating extension spring still can return to wire frame
State.When rotating down wire frame, when waiting the center line of Locating extension spring to turn over the pivot center of wire frame, Locating extension spring
An eccentric torque rotated down can be formed to wire frame, so that wire frame can be reliably positioned at printing shape
State.That is, the utility model can make wire frame be reliably positioned at holding state and print using a Locating extension spring
Brush state, effectively avoid the wire frame caused by false touch is touched from voluntarily turning over, be advantageous to improve the yield rate of pcb board silk-screen printing
And production efficiency.Importantly, one end of Locating extension spring is connected on the poke rod of rotary shaft, therefore we can pass through tune
Poke rod is saved with respect to the angle of silk-screen framework, easily makes Locating extension spring when silk-screen framework is in holding state and printing state
It can be at suitable position.
Preferably, Locating extension spring center line when wire frame is in holding state is in printing state with wire frame
When Locating extension spring center line between angle a 10 degree -20 degree between.
Due to wire frame, Locating extension spring has certain stretching, extension in rotation process, and therefore, we are by reasonably setting
Angle a size is counted, the span of Locating extension spring can be efficiently controlled, is positioned so as to be advantageous to reduce wire frame when rotating
Resistance caused by extension spring, and then reduce the working strength of operating personnel.
Preferably, being provided with screw mandrel fulcrum bearing at regulating block front side on the operational platform, the operating platform is upper
Regulation chute is provided between regulating block and screw mandrel fulcrum bearing, the regulating block is slidably connected on regulation chute, the screw mandrel
Fulcrum bearing is provided with rotatable screw mandrel, and the screw mandrel is threadedly coupled with regulating block.
When our rotary screw rods, you can regulating block is moved forward and backward along regulation chute, on the one hand can be conveniently adjusted
The pre-stretching amount of Locating extension spring and corresponding elastic force, it on the other hand can adjust Locating extension spring when wire frame is in holding state
The size of the angle a between Locating extension spring center line when center line and wire frame are in printing state, so that it is guaranteed that silk screen
The reliable location of framework, and reduce the working strength of operating personnel.
Preferably, the rotary shaft is provided with the action bars of radial direction, the position limiting structure is hinged on operation including one end
The perpendicular telescopic gag lever post on bar and with rotary shaft, when wire frame is in printing state, telescopic gag lever post reclines
Action bars；When wire frame is in holding state, the angle of wire frame and placement platen is stretched between 100 degree of -110 degree
Contracting formula gag lever post is in vertical shape, and the lower end of telescopic gag lever post is against operating platform.
When we need to rotate wire frame, can hand-held operation bar rotate upwardly and downwardly so that rotary shaft rotates, and then make
Wire frame rotates upwardly and downwardly.Rotational angle when wire frame of the present utility model is in holding state is hinged on by one
What the telescopic gag lever post on action bars limited.When we are rotated up wire frame by action bars, action bars is abutted in
On telescopic gag lever post follow rotation；When the rotational angle of wire frame is more than 90 degree, telescopic gag lever post is in itself weight
Separated in the presence of power with action bars and shape in an angle, telescopic gag lever post now is vertically hung on action bars；
When operating platform is touched in the lower end of telescopic gag lever post, you can action bars is formed and supported, and then can to the formation of silk-screen framework
The triangular support leaned on, not only contribute to simplify position limiting structure, while convenient operation.Particularly, we can be flexible by adjusting
The length of formula gag lever post is conveniently adjusted the rotational angle of silk-screen framework, and telescopic limit when silk-screen framework is in holding state
Position bar is in vertical shape, therefore, can be effectively prevented from Telescopic supporting rod and be failed because of sliding.
Preferably, the end of the telescopic gag lever post is provided with phase magnet, when wire frame is in holding state,
The phase magnet absorption of the lower end of the telescopic gag lever post of vertical shape is on the operational platform.
Phase magnet rocks when can avoid being rotated up silk-screen framework before and after telescopic gag lever post produces, so that it is guaranteed that silk-screen
Framework telescopic gag lever post in holding state keeps vertical state, while facilitates silk-screen framework to be swung down to by holding state
Printing state.
Therefore, the utility model has the advantages that：It is simple in construction, wire frame reliable location can be made, effectively kept away
Exempt from the wire frame caused by false touch is touched voluntarily to turn over, be advantageous to improve yield rate and production efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation that wire frame of the present utility model is in printing state.
Fig. 2 is a kind of structural representation that wire frame of the present utility model is in holding state.
In figure：1st, operating platform 11, placement platen 12, bearing block 2, rotary shaft 21, framework folder 211, U-shaped
It is clip slot 212, holding screw 22, action bars 3, silk-screen framework 4, poke rod 41, lasso 5, regulating block 6, fixed
Position extension spring 7, telescopic gag lever post 71, fix bar 72, adjusting rod 73, locking nut 74, phase magnet 8, silk
Bar fulcrum bearing 9, screw mandrel.
Embodiment
The utility model is further described with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of pcb board silk-screen printing device, including an operating platform 1, set on operating platform
The placement platen 11 of one rectangle, sets two bearing blocks 12 in left and right on operating platform at the front side for placing platen, one turn
The left and right ends of moving axis 2 are rotatably connected on two bearing blocks in left and right respectively, and the rotary shaft between two bearing blocks is in positive six rib
Column, two frameworks folders 21 are positioned apart from rotary shaft, framework folder is spliced to form by symmetrical upper half folder and lower half folder, upper half
Linked into an integrated entity between folder and lower half folder by fastening bolt.Upper half is pressed from both sides and the front side of lower half folder sets the insertion left and right sides respectively
Holding tank, the cross section of holding tank is small trapezoidal in the big bottom of mouth, so that spliced framework presss from both sides to form one and rotary shaft
The regular hexagon through hole of adaptation.Upper half is pressed from both sides and the rear side of lower half folder sets a L-shaped breach for penetrating the left and right sides respectively, so as to
Spliced framework folder rear side is set to form a U-clamp groove 211.The silk-screen framework 3 of one rectangle of clamping, silk-screen in U-clamp groove
Framework is spliced to form by aluminum alloy square tube, and certainly, U-clamp groove should be adapted with the aluminum alloy square pipe size of silk-screen framework.In addition,
Setting holding screw 212 at U-clamp groove is corresponded on the upper half folder that we can press from both sides in framework, when we tighten holding screw, tightly
The tail end for determining screw is stretched into U-clamp groove and against the side frame of silk-screen framework, is turned so that silk-screen framework is reliably positioned at
On moving axis.It should be noted that the regular hexagon through hole being spliced to form by the holding tank of upper half folder and lower half folder can slightly smaller than turn
Moving axis, so as to which when we tighten fastening bolt, framework folder can be securely fixed in rotary shaft.Further, in the present embodiment
The rotary shaft side of wire frame in horizontal printing state is referred to as front side, the side that wire frame is rotatably opened is
Rear side, and correspondingly definition left side and right side.When starting silk-screen printing, standing stands in the rear side of operating platform, from
And the rear side that can be rotatably opened with portable wire frame.Certainly, for the ease of the rotation of wire frame, we can rotate
The action bars 22 of a radial direction is fixedly installed in the right side of axle, so that operating personnel's hand-held operation bar makes rotary shaft turn up or down
It is dynamic, so as to drive silk-screen framework to rotate upwardly and downwardly.
In addition, the left part that the bearing block in left side is stretched out in rotary shaft sets the poke rod 4 of a radial direction, poke rod is with turning
Moving axis connects one end with a socket lasso 41 on the rotating shaft, and holding screw is set on lasso so that poke rod with
Rotary shaft forms a fixed connection, and can easily adjust the relative angle of poke rod on the rotating shaft.Position on the operational platform
One regulating block 5 is set in the front side of Left hand bearing block, a Locating extension spring 6, the other end of Locating extension spring are connected on regulating block
It is connected with the end of poke rod, when wire frame is rotated up to holding state, Locating extension spring is in extended state, and
Locating extension spring is located at the upside of the pivot center of wire frame, so as to form an eccentric torsion opened up to wire frame
Square, wire frame is set to be reliably positioned at holding state；When wire frame is swung down to printing state, at Locating extension spring
In extended state, and Locating extension spring is located at the downside of the pivot center of wire frame, and Locating extension spring now can be to silk screen
Framework forms an eccentric torque rotated down, so that wire frame can be reliably positioned at printing state.
Further, we can be hinged a telescopic gag lever post 7 perpendicular with rotary shaft in the upper end of action bars, from
And form the position limiting structure that wire frame can be made to be limited to the position of readiness being rotated up.When wire frame is in horizontal printing
During state, telescopic gag lever post reclines the upside of action bars；When wire frame is rotated up and is in holding state, screen frame
Between 100 degree of -110 degree, now the upper end of telescopic gag lever post is connected the angle of frame and placement platen with action bars, stretches
The lower end of formula gag lever post separates with action bars, and is in vertical shape by the gravity of itself, the lower end of telescopic gag lever post against
Operating platform, supported so as to be formed to action bars, and then reliable triangular support is formed to silk-screen framework, to accurately define silk
The rotational angle of screen frame frame.Certainly, we can also set phase magnet 74 in the bottom of telescopic gag lever post, work as wire frame
During in holding state, the phase magnet of the lower end of the telescopic gag lever post of vertical shape is adsorbed on the operational platform, so as to keep away
Exempt from the slip of telescopic gag lever post, it is ensured that the reliable location of wire frame.When we rotate down wire frame, telescopic limit
The phase magnet of position bar lower end separates with operating platform, telescopic gag lever post in the presence of moment of torsion caused by self gravitation by
Gradually close to wire frame；When wire frame is in printing state, telescopic gag lever post abuts in the upside of wire frame.This
Outside, telescopic gag lever post includes the fix bar 71 being hinged with wire frame, is threaded hole in the lower end of fix bar, in screwed hole
An adjusting rod 72 is threadedly coupled, and a locking nut 73 is set on adjusting rod.When we rotate adjusting rod, you can
The length of telescopic gag lever post is adjusted, then tightens locking nut, makes lower end of the locking nut tightly against fix bar, you can
Locking adjusting rod, the voluntarily rotation of adjusting rod is avoided, certainly, phase magnet should be arranged on the lower end of adjusting rod.
Finally, a screw mandrel fulcrum bearing 8, operation can be also fixedly installed in we at regulating block front side on the operational platform
Regulation chute between regulating block and screw mandrel fulcrum bearing is set on platform, regulating block is then slidably connected on regulation chute,
Rotatable screw mandrel 9 is set in screw mandrel fulcrum bearing, and screw mandrel is threadedly coupled with regulating block.When our rotary screw rods, you can make tune
Locking nub moves forward and backward along regulation chute, on the one hand can be conveniently adjusted the pre-stretching amount of Locating extension spring and corresponding elastic force, separately
When Locating extension spring center line and wire frame when on the one hand adjustable wire frame be in holding state are in printing state
The size of angle a between Locating extension spring center line, make angle a between 10 degree of -20 degree, so that it is guaranteed that wire frame is reliable
Positioning, and reduce stroke of the Locating extension spring when wire frame rotates upwardly and downwardly, and then reduce the working strength of operating personnel.
Certainly, we can pass one rotational handle of end set of screw mandrel fulcrum bearing in screw mandrel, to facilitate the rotation of screw mandrel.
Claims (5)
1. a kind of pcb board silk-screen printing device, including with place the operating platform of platen, be arranged on place platen side and with
The wire frame of operating platform rotation connection and wire frame can be made to be limited to the spacing knot of the position of readiness being rotated up
Structure, it is characterized in that, two bearing blocks in left and right are provided with operating platform at the front side of placement platform, are set between two bearing blocks
There is a rotatable rotary shaft, compartment of terrain is provided with two frameworks and pressed from both sides in the rotary shaft, and frame fixture has a U-clamp groove, silk-screen
One side frame of framework is located in U-clamp groove, is corresponded on framework folder and holding screw, the holding screw are provided with U-clamp groove
Tail end stretch into U-clamp groove and against the side frame of silk-screen framework, one end that rotary shaft stretches out bearing block is provided with and radially extended
Poke rod, be provided with regulating block positioned at the front side of wire frame on the operational platform, Locating extension spring be connected with the regulating block,
The other end of the Locating extension spring is connected with the end of poke rod, when wire frame is rotated up to holding state, positioning
Extension spring is located at the upside of the pivot center of wire frame；When wire frame is swung down to printing state, Locating extension spring is located at
The downside of the pivot center of wire frame.
2. a kind of pcb board silk-screen printing device according to claim 1, it is characterized in that, wire frame is in holding state
When Locating extension spring center line when being in printing state of Locating extension spring center line and wire frame between angle a 10 degree-
Between 20 degree.
3. a kind of pcb board silk-screen printing device according to claim 1, it is characterized in that, on the operational platform positioned at regulation
Screw mandrel fulcrum bearing is provided with front side of block, regulation chute is provided between regulating block and screw mandrel fulcrum bearing on the operating platform,
The regulating block is slidably connected on regulation chute, and the screw mandrel fulcrum bearing is provided with rotatable screw mandrel, and the screw mandrel is with adjusting
Locking nub is threadedly coupled.
4. a kind of pcb board silk-screen printing device according to claim 1, it is characterized in that, the rotary shaft is provided with radially
Action bars, the position limiting structure is hinged on the telescopic gag lever post perpendicular on action bars and with rotary shaft including one end, when
When wire frame is in printing state, telescopic gag lever post reclines action bars；When wire frame is in holding state, screen frame
The angle of frame and placement platen is between 100 degree of -110 degree, and telescopic gag lever post is in vertical shape, and the lower end of telescopic gag lever post is supported
By operating platform.
5. a kind of pcb board silk-screen printing device according to claim 4, it is characterized in that, the end of the telescopic gag lever post
Portion is provided with phase magnet, when wire frame is in holding state, the phase magnet of the lower end of the telescopic gag lever post of vertical shape
Absorption is on the operational platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421149.6U CN206781230U (en) | 2017-04-20 | 2017-04-20 | A kind of pcb board silk-screen printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720421149.6U CN206781230U (en) | 2017-04-20 | 2017-04-20 | A kind of pcb board silk-screen printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206781230U true CN206781230U (en) | 2017-12-22 |
Family
ID=60707319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720421149.6U Expired - Fee Related CN206781230U (en) | 2017-04-20 | 2017-04-20 | A kind of pcb board silk-screen printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206781230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116032A (en) * | 2018-01-30 | 2018-06-05 | 鹤山市泰利诺电子有限公司 | A kind of PCB silk printing screens location structure and center positioning method |
-
2017
- 2017-04-20 CN CN201720421149.6U patent/CN206781230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108116032A (en) * | 2018-01-30 | 2018-06-05 | 鹤山市泰利诺电子有限公司 | A kind of PCB silk printing screens location structure and center positioning method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20210420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |