CN209904194U - High reliability PCB silk screen printing device - Google Patents
High reliability PCB silk screen printing device Download PDFInfo
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- CN209904194U CN209904194U CN201920110725.4U CN201920110725U CN209904194U CN 209904194 U CN209904194 U CN 209904194U CN 201920110725 U CN201920110725 U CN 201920110725U CN 209904194 U CN209904194 U CN 209904194U
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- screen printing
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- silk screen
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Abstract
The utility model provides a high-reliability PCB screen printing device, which comprises a base, a working platform, a screw rod and a through knob nut, the nut, the rotation axis, support and silk screen printing board anchor clamps, work platform installs on the base, screw rod perpendicular to base, link up knob nut and all be connected with the screw rod cooperation, the silk screen printing board can be dismantled with silk screen printing board anchor clamps and be connected, silk screen printing board anchor clamps and rotation axis fixed connection, the rotation axis both ends respectively with the anterior rotatable coupling of support, support rear portion cover is established and can slides from top to bottom in the screw rod periphery, the support is located to link up between knob nut and the nut and dies fixedly through linking up knob nut and nut lock, still include angle limiting mechanism, angle limiting mechanism includes angle limiting plate and elastic support component, the rotation axis both ends are equipped with the extension respectively, angle limiting plate symmetry sets firmly the extension at the rotation axis both ends, elastic support component establishes and laminates with.
Description
Technical Field
The utility model relates to a PCB board silk screen printing device technical field specifically is a high reliability PCB silk screen printing device.
Background
The silk screen printing is to use a silk screen as a plate base and manufacture a silk screen plate with figures or characters by a photosensitive plate making method, and the silk screen plate is widely applied to the manufacturing industry of PCB plates. Printing by using the basic principle that part of meshes of image and text of a silk screen plate can permeate ink or latex and part of meshes of non-image and text can not permeate ink or latex, horizontally covering the silk screen plate on a PCB during printing, pouring ink or latex into one end of the top surface of the silk screen plate, applying a certain pressure to the ink or latex on the silk screen plate by using a scraper, moving the silk screen plate towards the other end of the silk screen plate at a constant speed, extruding the ink or latex onto the PCB from the meshes of the image and text by the scraper during moving to complete silk screen printing, manually turning the silk screen plate upwards to take out the silk screen printed PCB, opening the silk screen plate in an auxiliary way under the action of gravity of a balancing weight when the silk screen plate is turned upwards, and keeping the silk screen plate in a standby state in an inclined mode, so as to reduce the labor intensity of workers, generally reduce the weight of the balancing weight as much as possible, and easily cause pollution due to the fact that the silk screen mesh is accidentally turned downwards, the surface of the working platform is cleaned manually, working hours are wasted, and production efficiency is reduced. Simultaneously, the balancing weight is lighter, and when the silk screen printing board needs to be changed, the silk screen printing board anchor clamps for clamping the silk screen printing board are easy to rotate and are difficult to fix, thereby increasing the difficulty of changing the silk screen printing board.
Disclosure of Invention
An object of the utility model is to provide a high reliability PCB silk screen printing device 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 high reliability PCB silk screen printing device, includes base, work platform, screw rod, link up knob nut, rotation axis, support and silk screen printing board anchor clamps, work platform installs on the base, the screw rod symmetry is installed at the base rear portion, screw rod perpendicular to base, it all is connected with the screw rod cooperation to link up knob nut and nut, it is located the nut top to link up the knob, the silk screen printing board can be dismantled with silk screen printing board anchor clamps and be connected, silk screen printing board anchor clamps and rotation axis fixed connection, the rotation axis both ends respectively with the anterior rotatable coupling of support, the support rear portion cover is established and can be slided from top to bottom in the screw rod periphery, the support is located to link up between knob nut and the nut and through link up knob nut and nut lock death fixed: the angle limiting mechanism comprises an angle limiting plate and an elastic supporting assembly, extending portions are arranged at two ends of the rotating shaft respectively, the angle limiting plate is symmetrically and fixedly arranged on the extending portions at two ends of the rotating shaft, and the elastic supporting assembly is arranged below the angle limiting plate and is always attached to the angle limiting plate.
Further, the angle limiting plate is square, through-hole one is seted up to square, the jackscrew screw that communicates with through-hole one is seted up to square bottom surface, the angle end downwardly extending of square rear side below has the right angle set square of an organic whole structure, right angle set square lower extreme chamfer forms the chamfer face.
Furthermore, the elastic support assembly comprises a horizontal limiting plate, a guide shaft, a compression spring I and a U-shaped movable plate, the guide shaft is symmetrically installed below the horizontal limiting plate, the horizontal limiting plate is perpendicular to the guide shaft, the guide shaft penetrates through the U-shaped movable plate, the compression spring is sleeved on the periphery of the guide shaft, the U-shaped movable plate is located between the horizontal limiting plate and the compression spring I and can slide up and down, the compression spring I is in a compression state and drives the U-shaped movable plate to ascend, and top faces of two ends of the U-shaped movable plate in the length direction are respectively attached to the angle limiting plate.
The screen printing plate support mechanism is arranged in the middle of the top surface of the front part of the base and comprises a support seat, a v-21274, a shape clamping block, a limit bolt and a compression spring II, wherein a groove I and a groove II are respectively formed above and below the support seat, the v-21274, the shape clamping block is arranged in the groove I, the left side and the right side below the rear part of the v-21274are hinged with the support seat through hinge shafts, a through waist-shaped hole is formed at the bottom of the groove I, the length direction of the waist-shaped hole extends towards the direction of a working platform, a rod part of the limit bolt penetrates through the waist-shaped hole from the groove II to the groove I to be in threaded connection with the bottom surface of the v-21274, the bottom surface of the front part of the v-21274is provided with a first blind hole which is symmetrically arranged, the bottom surface of the groove I corresponds to the blind hole I, and the blind hole II is positioned at the left side and the right side of, two axial ends of the compression spring II are respectively arranged in the first blind hole and the second blind hole and are in a compression state, the compression spring II drives the \ 21274, and the shape clamping block drives the limiting bolt to enable the nut of the limiting bolt to be clamped on the bottom surface of the waist-shaped hole.
Furthermore, the bottom surface of the base is provided with the foot cups, and the foot cups are respectively arranged at the four corners of the bottom surface of the base.
The utility model has the advantages that:
when the silk-screen printing process needs to be operated on the PCB, the PCB is placed on the working platform, the PCB is positioned by the positioning pins which extend upwards on the working platform, the V-21274of the silk-screen printing plate supporting mechanism is pressed down, the shape clamping block overcomes the elasticity of the compression spring I to open the silk-screen printing plate supporting mechanism, the silk-screen printing plate is turned downwards, the front end of the silk-screen printing plate is leaned on the supporting seat, the silk-screen printing plate is in a horizontal state at the moment, the V-21274is loosened, the shape clamping block is driven by the compression spring I, the shape clamping block resets, the front end part of the silk-screen printing plate is positioned in the V-21274, the positioning of the silk-screen printing plate is realized in the shape clamping block, the vertical shaking of the silk-screen printing plate caused by the silk-screen printing action in the silk-screen printing process is.
After the silk screen printing of PCB board is accomplished, through pressing down the v 21274of silk screen printing board supporting mechanism, silk screen printing board supporting mechanism is opened to the elasticity that compression spring I was overcome to the shape fixture block, artifical upset silk screen printing board upwards, the silk screen printing board drives the silk screen printing board anchor clamps and drives the rotation axis rotation again, the rotation axis drives the rotatory chamfer face that makes its chamfer face and the laminating of elastic silk screen printing board supporting mechanism and stops upset silk screen printing board promptly, elastic silk screen printing board supporting mechanism lasts the chamfer face that props up the angle limiting plate and realizes fixed angle limiting plate, reach the fixed effect after the silk screen printing board upwards overturns, effectively avoided because of the mistake touches silk screen printing board or balancing weight and lead to the silk screen printing board to turn over by oneself and fall and contact work platform.
Drawings
FIG. 1: a schematic diagram of a high-reliability PCB screen printing device for right-view use and state transition.
FIG. 2: a schematic diagram of a right-view opening action of a high-reliability PCB screen printing device is provided.
FIG. 3: an exploded schematic diagram of a high-reliability PCB screen printing device.
FIG. 4: a high reliability PCB silk screen printing device's silk screen printing board supporting mechanism decomposes the sketch map.
FIG. 5: a schematic diagram is looked to angle limiting plate right side of high reliability PCB silk screen printing device.
FIG. 6: a screen printing plate supporting mechanism of a high-reliability PCB screen printing device is schematically shown in an open state.
Detailed Description
The invention is further explained below with reference to the drawings:
referring to fig. 1, a high-reliability PCB screen printing device comprises a base 1, a working platform 2, a screw 3, a through knob nut 4, a nut 5, a rotating shaft 6, a support 7 and a screen printing plate clamp 8, wherein the working platform is installed on the base 1, the screw 3 is symmetrically installed at the rear part of the base 1, the screw 3 is perpendicular to the base 1, the through knob nut 4 and the nut 5 are both connected with the screw 3 in a matching manner, the through knob is positioned above the nut 5, a screen printing plate 1212 is detachably connected with the screen printing plate clamp 8, the screen printing plate clamp 8 is fixedly connected with the rotating shaft 6, two ends of the rotating shaft 6 are respectively rotatably connected with the front part of the support 7, the rear part of the support 7 is sleeved on the periphery of the screw 3 and can slide up and down, the support 7 is positioned between the through knob nut 4 and the nut 5 and is locked and fixed by the through knob nut 4 and the nut 5, the both ends of rotation axis 6 are equipped with the extension respectively, and angle limiting plate 91 symmetry sets firmly the extension at rotation axis 6 both ends, and the elastic support subassembly 92 is established in angle limiting plate 91 below, and the top surface of elastic support subassembly 92 is laminated with angle limiting plate 91 all the time.
The prior art (application No.: CN201420395842.7 published: 2014-11-12) discloses a screen printing plate jig 8 of the present invention.
Further, please refer to fig. 5, the angle limiting plate 91 is a square plate, the square plate is provided with a first through hole 911, the bottom surface of the square plate is provided with a jackscrew screw hole 912 communicated with the first through hole 911, a first keyway is provided for an extension of the rotating shaft 6, a second keyway 913 is provided for the first through hole 911 corresponding to the keyway, the angle limiting plate 91 is matched with the extension of the rotating shaft 6 through the first through hole 911, the jackscrew is screwed into the jackscrew screw hole 912 to tightly jack the extension of the rotating shaft 6 to realize the fixed connection of the angle limiting plate 91 and the extension, the keyway cavity formed by the first keyway and the second keyway 913 through key tight fit insertion further increases the stability of connection between the angle limiting plate 91 and the rotating shaft 6, the corner end below the rear side of the square plate extends downwards to form a right-angle triangle plate with an.
Further, referring to fig. 3, the elastic supporting assembly 92 includes a horizontal limiting plate 921, a guiding shaft 922, a first compression spring 923 and a u-shaped movable plate 924, the guiding shaft 922 is symmetrically installed below the horizontal limiting plate 921, the horizontal limiting plate 921 is perpendicular to the guiding shaft 922, the guiding shaft 922 passes through the u-shaped movable plate 924, the first compression spring 923 is sleeved on the periphery of the guiding shaft 922, the u-shaped movable plate 924 is located between the horizontal limiting plate 921 and the first compression spring 923 and can slide up and down, the first compression spring 923 is in a compressed state, the first compression spring 923 drives the u-shaped movable plate 924 to ascend, and top surfaces of two ends of the u-shaped movable plate 924 in the length direction are respectively attached to the angle limiting plate 91.
Further, referring to fig. 4, the screen printing plate 12 supporting mechanism 10 for supporting the front portion of the screen printing plate 12 is further included, the screen printing plate 12 supporting mechanism 10 is installed at a central position of the top surface of the front portion of the base 1, the screen printing plate 12 supporting mechanism 10 includes a supporting seat 101, a v-shaped block 102, a limiting bolt 103 and a compression spring II 104, a groove 1011 and a groove 1012, a v-shaped block 102 is respectively formed above and below the supporting seat 101, the v-shaped block 102 is arranged in the groove 1011, the v-shaped block 102 is hinged to the supporting seat 101 through a hinge shaft 105 at the left side and the right side below the rear portion of the v-shaped block 102 to realize the v-shaped block 102, the groove 105 is axially centered on the center, a through waist-shaped hole 1013 is formed at the bottom of the groove 1011, the length direction of the waist-shaped hole 1013 extends towards the working platform 2 direction, the rod portion of the limiting bolt 103 penetrates through the waist-shaped hole 1013 from the groove II 1012 to the groove 1011 to be in threaded with the bottom surface, the first groove 1011 has a bottom surface provided with a second blind hole 1014 corresponding to the first blind hole, the second blind hole 1014 is located on the left side and the right side of the waist-shaped hole 1013, the two axial ends of the second compression spring 104 are respectively arranged in the first blind hole and the second blind hole 1014 and are in a compressed state, the second compression spring 104 drives the \\ 21274, and the shape fixture block 102 drives the limit bolt 103 to enable the nut of the limit bolt 103 to be clamped on the bottom surface of the waist-shaped. The limiting bolt 103 is clamped on the bottom surface of the waist-shaped hole 1013 through a nut to limit the v-21274, the shape clamping block 102 rotates to play a positioning role, referring to fig. 6, the supporting mechanism 10 of the silk screen plate 12 is opened by pressing the v-21274, the shape clamping block 102 compresses the compression spring II, the waist-shaped hole 1013 provides a moving space for the limiting bolt 103 in the process, so that the rod part of the bolt 103 can move in the waist-shaped hole 1013, and the effect that the limiting bolt 103 can move along with the v-21274and the shape clamping block 102 is achieved.
Further, referring to fig. 1, the bottom surface of the base 1 is provided with the foot cups 11, and the foot cups 11 are respectively arranged at four corners of the bottom surface of the base 1.
When the silk-screen printing process needs to be operated on the PCB, the PCB is placed on the working platform 2, the PCB is positioned by the positioning pins extending upwards on the working platform 2, the support mechanism 10 of the silk-screen printing plate 12 is opened by overcoming the elastic force of the compression spring 923 through the shape clamping block 102, the silk-screen printing plate 12 is manually turned downwards, the front end of the silk-screen printing plate 12 is leaned on the supporting seat 101, at the moment, the silk-screen printing plate 12 is in a horizontal state, the shape clamping block 102 is loosened, the shape clamping block 102 is driven by the compression spring 923, the shape clamping block 102 is reset, at the moment, the front end part of the silk-screen printing plate 12 is positioned in the shape clamping block 102, the positioning silk-screen printing plate 12 is realized in the shape clamping block 102, the vertical shaking of the silk-screen printing plate 12 in the silk-screen printing process is effectively reduced, the silk-screen printing quality is influenced, and the quality of the silk-screen.
Referring to fig. 2, after the screen printing of the PCB is completed, the v 21274of the support mechanism 10 of the screen printing plate 12 is pressed, the support mechanism 10 of the screen printing plate 12 is opened by the shape clamping block 102 against the elastic force of the first compression spring 923, the 21274is pressed, the support mechanism 10 of the screen printing plate 12 is opened by the shape clamping block 102, the screen printing plate 12 is manually turned upwards, the screen printing plate 12 drives the screen printing plate clamp 8 to further drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the angle limiting plate to rotate, so that the chamfered surface 914 of the angle limiting plate is attached to the support mechanism 10 of the elastic screen printing plate 12, that is, the screen printing plate 12 stops being turned upwards, at this time, the support mechanism 10 of the elastic screen printing plate 12 continuously supports the chamfered surface of the angle limiting plate 91 to realize the fixed angle limiting plate 91, the effect of fixing the screen printing plate 12 after being turned upwards is achieved, and the situation that the screen printing.
The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a high reliability PCB silk screen printing device, includes base, work platform, screw rod, link up knob nut, rotation axis, support and silk screen printing board anchor clamps, work platform installs on the base, the screw rod symmetry is installed at the base rear portion, screw rod perpendicular to base, it all is connected with the screw rod cooperation to link up knob nut and nut, it is located the nut top to link up the knob, the silk screen printing board can be dismantled with silk screen printing board anchor clamps and be connected, silk screen printing board anchor clamps and rotation axis fixed connection, the rotation axis both ends respectively with the anterior rotatable coupling of support, the support rear portion cover is established and can be slided from top to bottom in the screw rod periphery, the support is located to link up between knob nut and the nut and through link up knob nut and nut lock death fixed: the angle limiting mechanism comprises an angle limiting plate and an elastic supporting assembly, extending portions are arranged at two ends of the rotating shaft respectively, the angle limiting plate is symmetrically and fixedly arranged on the extending portions at two ends of the rotating shaft, and the elastic supporting assembly is arranged below the angle limiting plate and is always attached to the angle limiting plate.
2. The high-reliability PCB silk-screen device of claim 1, wherein: the angle limiting plate is a square plate, the square plate is provided with a first through hole, the bottom surface of the square plate is provided with a jackscrew hole communicated with the first through hole, a right-angle triangular plate of an integrated structure is downwards extended from the corner end below the rear side of the square plate, and a chamfer angle is formed at the lower end of the right-angle triangular plate.
3. The high-reliability PCB silk-screen device of claim 1, wherein: the elastic support component comprises a horizontal limiting plate, a guiding shaft, a compression spring I and a U-shaped movable plate, the guiding shaft is symmetrically installed below the horizontal limiting plate, the horizontal limiting plate is perpendicular to the guiding shaft, the guiding shaft penetrates through the U-shaped movable plate, the compression spring is sleeved on the periphery of the guiding shaft, the U-shaped movable plate is located between the horizontal limiting plate and the compression spring I and can slide up and down, the compression spring I is in a compressed state and drives the U-shaped movable plate to ascend, and top faces of two ends of the U-shaped movable plate in the length direction are respectively attached to the angle limiting plates.
4. The high-reliability PCB silk-screen device of claim 1, wherein: the screen printing plate support mechanism comprises a support seat, a v-shaped fixture block, a limiting bolt and a compression spring II, wherein the screen printing plate support mechanism is arranged in the middle of the top surface of the front part of the base and comprises a first groove and a second groove, the v-shaped fixture block is arranged in the first groove, the left side and the right side of the lower part of the rear part of the v-shaped fixture block are hinged with the support seat through hinge shafts, the bottom of the first groove is provided with a through waist-shaped hole, the length direction of the waist-shaped hole extends towards the direction of a working platform, the rod part of the limiting bolt penetrates through the waist-shaped hole from the second groove to enter the first groove to be in threaded connection with the bottom surface of the v-shaped fixture block, the bottom surface of the front part of the v-shaped fixture block is provided with a first blind hole which is symmetrically arranged, the bottom surface of the first groove is provided with a second blind hole corresponding to the first blind hole, and the blind holes are positioned on, two axial ends of the compression spring II are respectively arranged in the first blind hole and the second blind hole and are in a compression state, the compression spring II drives the \ 21274, and the shape clamping block drives the limiting bolt to enable the nut of the limiting bolt to be clamped on the bottom surface of the waist-shaped hole.
5. The high-reliability PCB silk-screen device of claim 1, wherein: the foot cups are arranged on the bottom surface of the base and are respectively arranged at the four corners of the bottom surface of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110725.4U CN209904194U (en) | 2019-01-23 | 2019-01-23 | High reliability PCB silk screen printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110725.4U CN209904194U (en) | 2019-01-23 | 2019-01-23 | High reliability PCB silk screen printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209904194U true CN209904194U (en) | 2020-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920110725.4U Expired - Fee Related CN209904194U (en) | 2019-01-23 | 2019-01-23 | High reliability PCB silk screen printing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209904194U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135018A (en) * | 2021-05-06 | 2021-07-20 | 深圳市领创精密机械有限公司 | Screen printing machine |
| CN113937037A (en) * | 2021-11-02 | 2022-01-14 | 上海御渡半导体科技有限公司 | Multifunctional rotatable semiconductor module assembling workbench |
| CN114472095A (en) * | 2022-04-14 | 2022-05-13 | 常州铭赛机器人科技股份有限公司 | Carrier tilt jacking mechanism and tilt jacking method |
-
2019
- 2019-01-23 CN CN201920110725.4U patent/CN209904194U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113135018A (en) * | 2021-05-06 | 2021-07-20 | 深圳市领创精密机械有限公司 | Screen printing machine |
| CN113135018B (en) * | 2021-05-06 | 2023-10-31 | 深圳市领创精密机械有限公司 | Screen printer |
| CN113937037A (en) * | 2021-11-02 | 2022-01-14 | 上海御渡半导体科技有限公司 | Multifunctional rotatable semiconductor module assembling workbench |
| CN114472095A (en) * | 2022-04-14 | 2022-05-13 | 常州铭赛机器人科技股份有限公司 | Carrier tilt jacking mechanism and tilt jacking 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: 20200107 Termination date: 20210123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |