CN209971903U - Circuit board ink jet printer clamping platform - Google Patents
Circuit board ink jet printer clamping platform Download PDFInfo
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- CN209971903U CN209971903U CN201920657010.0U CN201920657010U CN209971903U CN 209971903 U CN209971903 U CN 209971903U CN 201920657010 U CN201920657010 U CN 201920657010U CN 209971903 U CN209971903 U CN 209971903U
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Abstract
The utility model discloses a circuit board ink-jet printer clamping platform, which comprises a bedplate and at least two trolleys arranged below the bedplate, wherein each trolley comprises a walking mounting bar, a trolley driving device and a plurality of movable pressure heads arranged on the walking mounting bar, the trolley driving device comprises a motor and a friction wheel, the motor is vertically arranged on the walking mounting bar, and a main shaft of the motor faces the bedplate; the bottom of the bedplate comprises a track parallel to the traveling direction of the trolley, a friction wheel is arranged on a main shaft of the motor, and the periphery of the friction wheel is contacted with the side surface of the track. The utility model discloses a dolly passes through the friction wheel drive by the motor, and when the dolly resistance of advancing was big, the friction wheel can automatic slipping, and the thrust at circuit board work piece border is received the restriction to the last pressure head that moves of dolly, can not die the circuit board work piece clamp and cause the circuit board work piece to scrap.
Description
[ technical field ]
The utility model relates to a circuit board ink jet printer especially relates to a circuit board ink jet printer clamping platform.
[ background art ]
In the character of circuit board spouts seal production process, the circuit board must just can spout seal work through the location, and the circuit board size and dimension of different material numbers is different, present printed wiring board's character printing process is usually spouted seal workshop by special character and is accomplished, and the sheet material on the printing table face is got and is put and mostly manual stand-alone operation with the sheet material location, production efficiency is low, and this kind of character that breaks away from upstream process equipment spouts seal production mode inefficiency, make the production place demand of whole circuit board great, the cost of labor is higher.
The patent number is 201721742848.7's utility model discloses an automatic line PCB circuit board print platform clamping device, including printing the mesa, install the vice A of rail block and the vice B of rail block on the adjacent side in bottom of printing the mesa respectively, the vice A of rail block goes up movable block has the mounting bar that is loading a certain amount of cylinder A, the vice B of rail block goes up movable block has the mounting bar that is loading a certain amount of cylinder B, the clamp plate chuck A and the clamp plate chuck B of corresponding quantity are installed respectively to cylinder A and cylinder B's output. When the clamping device for the PCB printing platform of the automatic line works, the short-stroke clamp assembly and the long-stroke clamp assembly respectively travel to the press plate chucks which are respectively loaded along the respective guide rail slide block pairs according to the strokes set by the program and are close to the edges of the four sides of the PCB, and then under the action of the air cylinder A and the air cylinder B, all the press plate chucks A and the press plate chucks B on the four sides descend to enable the chuck cap edges to tightly press the periphery of the PCB so that the PCB cannot move. When the X of back short stroke is walked to the mounting bar and the mesa outside to the mounting bar, and the X of long stroke is got back to mesa outside initial position to walking mounting bar and Y to the walking mounting bar simultaneously, this utility model discloses can conveniently utilize the manipulator to load and unload the circuit board work piece that needs the character to spout the seal. However, this utility model does not disclose a driving mechanism for the X-direction and Y-direction travel attachment bars.
The utility model with the patent number of 201721486471.3 discloses a full-automatic edge-pressing vacuum adsorption workbench of a jet printing machine, which comprises a vacuum adsorption table, wherein two adjacent edges of the vacuum adsorption table are provided with fixed pressure heads, and the fixed pressure heads are driven by a fixed cylinder to move up and down; and moving pressure heads are arranged on the other two edges of the vacuum adsorption platform, are driven by a linear motor driving system and move back and forth or left and right along the strip-shaped notch on the vacuum adsorption platform, and are driven by a moving cylinder to move up and down. The utility model discloses a X is to and Y is to the actuating mechanism of walking mounting bar, but this utility model has following shortcoming: the walking mounting bar of the movable pressure head is driven by a linear motor driving system, and for a thin circuit board workpiece, when an induction signal of a control circuit is not sensitive enough, the movable pressure head can clamp the circuit board workpiece to cause the circuit board workpiece to be scrapped; in addition, the negative pressure distribution of the vacuum adsorption table is not uniform enough, and the adsorption effect is not good enough.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a can not die circuit board work piece clamp and cause condemned circuit board ink jet printer clamping platform of circuit board work piece.
The utility model discloses the technical problem that further solve provides a vacuum adsorption platform's negative pressure distribution is even, circuit board ink jet printer clamping platform that adsorption effect is good.
In order to solve the technical problem, the utility model adopts the technical scheme that the clamping platform of the circuit board ink-jet printer comprises a bedplate and at least two trolleys arranged below the bedplate, wherein each trolley comprises a walking mounting bar, a trolley driving device and a plurality of movable pressure heads arranged on the walking mounting bar, the trolley driving device comprises a motor and a friction wheel, the motor is vertically arranged on the walking mounting bar, and a main shaft of the motor faces the bedplate; the bottom of the bedplate comprises a track parallel to the traveling direction of the trolley, a friction wheel is arranged on a main shaft of the motor, and the periphery of the friction wheel is contacted with the side surface of the track.
According to the circuit board ink-jet printer clamping platform, the trolley driving device comprises a friction wheel pressurizing mechanism, and the friction wheel pressurizing mechanism comprises a motor base, a pressure spring and a motor fixing base; the motor fixing seat is fixed on the walking mounting bar and comprises a flange and a bearing plate; the motor base comprises a motor mounting disc and a pressurizing plate, the pressurizing plate is positioned in front of the bearing plate according to the advancing direction of the trolley, and the motor mounting disc is positioned behind the bearing plate; the motor is fixed on a motor mounting disc, and the motor mounting disc is connected with one end of the pressurizing plate through a connecting plate; one end of the pressure plate connected with the connecting plate is hinged with the flange of the motor fixing seat, and the connecting plate is positioned on one side far away from the track relative to the friction wheel; the pressure spring is arranged between the pressure plate and the bearing plate and is positioned at one end of the pressure plate close to the track.
The circuit board ink-jet printer clamping platform comprises a bedplate body, a microporous plate and a vacuum cavity lower cover, wherein the middle of the top surface of the bedplate body comprises a groove for embedding the microporous plate, a plurality of strip-shaped grooves arranged in a matrix are arranged below the groove, and the bottom surfaces of the strip-shaped grooves comprise damping holes; the vacuum cavity lower cover is fixed on the bottom surface of the bedplate body and comprises an air suction port; the damping hole is communicated with the inner cavity of the vacuum cavity lower cover.
The circuit board ink jet printer clamping platform is characterized in that the number of the trolleys is 4.
The utility model discloses circuit board ink jet printer clamping platform's dolly is passed through the friction wheel drive by the motor, and when the dolly resistance of advancing was big, the friction wheel can skid automatically, and the thrust of moving pressure head on the dolly to circuit board work piece border receives the restriction, can not die the circuit board work piece clamp and cause the circuit board work piece to scrap.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a front view of the clamping platform of the circuit board ink-jet printer according to the embodiment of the present invention.
Fig. 2 is a top view of the clamping platform of the circuit board inkjet printer according to the embodiment of the present invention.
Fig. 3 is a right side view of the clamping platform of the circuit board inkjet printer according to the embodiment of the present invention.
Fig. 4 is a bottom view of the clamping platform of the circuit board ink-jet printer of the embodiment of the present invention.
Fig. 5 is a sectional view taken along line a in fig. 2.
Fig. 6 is a sectional view taken along line B in fig. 4.
Fig. 7 is a perspective view of the clamping platform of the circuit board inkjet printer according to the embodiment of the present invention in the top view direction.
Fig. 8 is a perspective view of the clamping platform of the circuit board inkjet printer according to the embodiment of the present invention.
Fig. 9 is a front view of the carriage driving device according to the embodiment of the present invention.
Fig. 10 is a plan view of a carriage driving device according to an embodiment of the present invention.
Fig. 11 is a cross-sectional view taken along line C in fig. 9.
Fig. 12 is a perspective view of a motor base according to an embodiment of the present invention.
Fig. 13 is a perspective view of the carriage driving device according to the embodiment of the present invention.
Fig. 14 is a perspective view of a motor holder according to an embodiment of the present invention.
Fig. 15 is a block diagram of a control circuit according to an embodiment of the present invention.
[ detailed description of the invention ]
The circuit board ink jet printer clamping platform of the embodiment of the utility model is shown in fig. 1 to fig. 15, and comprises a bedplate 100, 4 trolleys 200 arranged below the bedplate 100 and a control circuit. The 4 carriages 200 include two carriages 200A reciprocating in the X direction and two carriages 200B reciprocating in the Y direction.
The platen 100 includes a platen body 10, and a rectangular vacuum suction region is formed on the top surface of the middle portion of the platen body 10. The vacuum adsorption zone is composed of a micro-porous plate 11 and a vacuum chamber lower cover 12. The bedplate body 10 is provided with a rectangular groove 13 in the middle of the top surface, the microporous plate 11 is embedded in the groove 13, a plurality of strip-shaped grooves 14 are arranged in a matrix below the groove 13, and the bottom surface of each strip-shaped groove 14 is provided with a damping hole 15. The periphery of the vacuum chamber lower cover 12 is hermetically fixed on the bottom surface of the platen body 10, and the vacuum chamber lower cover 12 has an air suction port 16. The damping hole 15 on the bottom of the strip-shaped groove 14 is communicated with the inner cavity of the vacuum cavity lower cover 12, and the suction port 16 is communicated with a vacuum source through a vacuum electromagnetic valve.
The trolley 200 comprises a walking mounting bar 1, two sets of line guide rail pairs 2, a trolley driving device 20 and a plurality of movable pressure heads. The walking mounting bar 1 is arranged on the sliding blocks of the two sets of line guide rail pairs 2, and the tracks of the line guide rail pairs 2 are fixed on the bottom surface of the bedplate body 10. The movable pressure head comprises a clamp cylinder 3 and a mushroom-shaped clamping head 4 arranged at the top end of a piston rod of the clamp cylinder 3. The cylinder body of the clamp cylinder 3 is arranged on the walking mounting bar 1.
The bedplate body 10 is provided with a notch group corresponding to 4 trolleys 200, the notch group comprises 5 to 6 strip-shaped notches 17 corresponding to the number of the moving clamps on the trolley walking mounting strip, and the rod part of the mushroom-shaped clamp 4 passes through the strip-shaped notches 17 and moves back and forth along the strip-shaped notches 17 along with the walking mounting strip 1.
The trolley driving device 20 comprises a motor 21, a rubber friction wheel 22 and a rubber friction wheel pressurizing mechanism, wherein the motor 21 is vertically arranged on the walking mounting bar 1, and a main shaft of the motor 21 faces to the bottom surface of the bedplate body 10. A rail 18 parallel to the traveling direction of the trolley 200 is fixed on the bottom surface of the bedplate 100, a rubber friction wheel 22 is installed on the main shaft of a motor 21, the periphery of the rubber friction wheel 22 is contacted with the side surface of the rail 18, and the trolley 200 is driven by the motor 21 to move back and forth along the linear guide rail pair 2 when the rubber friction wheel 22 rotates.
The rubber friction wheel pressurizing mechanism comprises a motor base 23, a pressure spring 24 and a motor fixing base 25. The motor fixing seat 25 is fixed on the walking mounting bar 1 and comprises a flange 25-1 and a bearing plate 25-2. The motor base 23 comprises a motor mounting disc 23-1, a connecting plate 23-2 and a pressurizing plate 23-3, wherein the pressurizing plate 23-3 is positioned in front of the bearing plate 25-2, and the motor mounting disc 23-1 is positioned behind the bearing plate 25-2 according to the advancing direction of the trolley 200. The motor 21 is fixed on a motor mounting disc 23-1, and the motor mounting disc 23-1 is connected with one end of a pressurizing plate 23-3 through a connecting plate 23-2. One end of the pressure plate 23-3 connected with the connecting plate 23-2 is hinged with a flange 25-1 of the motor fixing seat 25 through a pin 26. The web 23-2 is located on the side remote from the rail 18 with respect to the rubber friction wheel 22. The pressing spring 24 is disposed between the pressing plate 23-3 and the bearing plate 25-2 at an end of the pressing plate 23-3 adjacent to the rail 18. Under the action of the rubber friction wheel pressurizing mechanism, the pressure and the driving friction force between the outer periphery of the rubber friction wheel 22 and the side surface of the rail 18 are determined by the elastic force of the compression spring 24.
The utility model discloses the dolly of the above embodiment of circuit board ink jet printer clamping platform passes through the friction wheel drive by the motor, and when the border of circuit board work piece was pushed up to the pole portion of mushroom-shaped chuck, the resistance that advances of dolly increased, and the friction wheel is automatic to be skidded, and mushroom-shaped chuck pole portion receives the restriction to the thrust at circuit board work piece border on the dolly, can not die the circuit board work piece clamp and cause the circuit board work piece to scrap.
The control circuit comprises a PLC controller, a clamping electromagnetic valve, a vacuum electromagnetic valve and 4 sets of trolley circuits, wherein each set of trolley circuit corresponds to one trolley 200.
The clamping electromagnetic valve is connected with a compressed air source and each clamp cylinder 3, the vacuum electromagnetic valve is connected with a vacuum source and an air suction port 16 of the vacuum cavity lower cover 12, and a control end of the clamping electromagnetic valve and a control end of the vacuum electromagnetic valve are respectively connected with the PLC.
Each set of trolley circuit comprises at least one laser sensor 5, a trolley retreating limit sensor 6, a trolley advancing limit sensor 7 and a limit sensor support 8. The output end of the laser sensor 5, the output end of the trolley retreating limit sensor 6 and the output end of the trolley advancing limit sensor 7 are respectively connected with a PLC controller.
The laser sensor 5 is arranged on the walking mounting bar 1 corresponding to the trolley 200 and is positioned in front of the chuck 4 along the walking direction of the trolley 200; in the up-down direction, the laser sensor 5 is positioned right below the corresponding notch group strip-shaped notch 17 of the trolley.
The limiting sensor support 8 is arranged below the bedplate body 10 and is close to one end of the walking mounting bar 1 corresponding to the trolley 200. The trolley advancing limiting sensor 7 is installed at the front end of the limiting sensor support 8, and the trolley retreating limiting sensor 6 is installed at the rear end of the limiting sensor support 8.
The PLC of the control circuit respectively controls the trolley driving motors in four directions to move independently, and each trolley driving motor is irrelevant and each channel is independent. The driving control flow of each path is as follows: starting from the instruction sent by the upper computer, starting the 4 trolleys from the initial position at the same time, moving towards the middle part of the bedplate, and respectively detecting respective positive limit signals and laser in-place signals in the advancing process of the trolleys. When the laser sensor detects the edge of the circuit board workpiece, a signal is sent to the PLC controller, the PLC controller enables the motor of the trolley driving device to stop the trolley at the position, about 1 mm away from the edge of the circuit board workpiece, of the rod part of the mushroom-shaped chuck, and after 4 trolleys are stopped, the PLC controller controls the mushroom-shaped chuck of the moving pressure head to complete clamping plate movement. In the process that the trolley advances and the mushroom-shaped chuck clamps the edge of the circuit board workpiece, the rod part of the mushroom-shaped chuck is not contacted with the edge of the circuit board workpiece, so that the circuit board workpiece positioned by the manipulator can be prevented from transversely shifting or transversely clamping the circuit board workpiece.
Claims (4)
1. A circuit board ink-jet printer clamping platform comprises a platen and at least two trolleys arranged below the platen, wherein each trolley comprises a walking mounting bar, a trolley driving device and a plurality of moving pressure heads arranged on the walking mounting bar; the bottom of the bedplate comprises a track parallel to the traveling direction of the trolley, a friction wheel is arranged on a main shaft of the motor, and the periphery of the friction wheel is contacted with the side surface of the track.
2. The circuit board inkjet printer clamping platform of claim 1, wherein the carriage drive device comprises a friction wheel pressurizing mechanism, and the friction wheel pressurizing mechanism comprises a motor base, a pressure spring and a motor base; the motor fixing seat is fixed on the walking mounting bar and comprises a flange and a bearing plate; the motor base comprises a motor mounting disc and a pressurizing plate, the pressurizing plate is positioned in front of the bearing plate according to the advancing direction of the trolley, and the motor mounting disc is positioned behind the bearing plate; the motor is fixed on a motor mounting disc, and the motor mounting disc is connected with one end of the pressurizing plate through a connecting plate; one end of the pressure plate connected with the connecting plate is hinged with the flange of the motor fixing seat, and the connecting plate is positioned on one side far away from the track relative to the friction wheel; the pressure spring is arranged between the pressure plate and the bearing plate and is positioned at one end of the pressure plate close to the track.
3. The circuit board inkjet printer clamping platform of claim 1, wherein the platen comprises a platen body, a micro-porous plate and a vacuum cavity lower cover, the middle part of the top surface of the platen body comprises a groove for embedding the micro-porous plate, the lower part of the groove comprises a plurality of strip-shaped grooves arranged in a matrix, and the bottom surfaces of the strip-shaped grooves comprise damping holes; the vacuum cavity lower cover is fixed on the bottom surface of the bedplate body and comprises an air suction port; the damping hole is communicated with the inner cavity of the vacuum cavity lower cover.
4. The circuit board ink jet printer clamping platform of claim 1, wherein the number of trolleys is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657010.0U CN209971903U (en) | 2019-05-08 | 2019-05-08 | Circuit board ink jet printer clamping platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920657010.0U CN209971903U (en) | 2019-05-08 | 2019-05-08 | Circuit board ink jet printer clamping platform |
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| Publication Number | Publication Date |
|---|---|
| CN209971903U true CN209971903U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920657010.0U Active CN209971903U (en) | 2019-05-08 | 2019-05-08 | Circuit board ink jet printer clamping platform |
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| CN (1) | CN209971903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231528A (en) * | 2020-03-06 | 2020-06-05 | 深圳劲鑫科技有限公司 | Circuit board leveling device, jet printing equipment and jet printing method |
| CN113291059A (en) * | 2021-04-01 | 2021-08-24 | 深圳传顺科技有限公司 | Jet printing equipment for printed circuit board |
-
2019
- 2019-05-08 CN CN201920657010.0U patent/CN209971903U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111231528A (en) * | 2020-03-06 | 2020-06-05 | 深圳劲鑫科技有限公司 | Circuit board leveling device, jet printing equipment and jet printing method |
| CN111231528B (en) * | 2020-03-06 | 2023-12-26 | 深圳劲鑫科技有限公司 | Circuit board leveling device, jet printing equipment and jet printing method |
| CN113291059A (en) * | 2021-04-01 | 2021-08-24 | 深圳传顺科技有限公司 | Jet printing equipment for printed circuit board |
| CN113291059B (en) * | 2021-04-01 | 2022-07-08 | 深圳传顺科技有限公司 | Jet printing equipment for printed circuit board |
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