CN204322695U - A kind of PCB printing machine - Google Patents
A kind of PCB printing machine Download PDFInfo
- Publication number
- CN204322695U CN204322695U CN201420708755.2U CN201420708755U CN204322695U CN 204322695 U CN204322695 U CN 204322695U CN 201420708755 U CN201420708755 U CN 201420708755U CN 204322695 U CN204322695 U CN 204322695U
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- Prior art keywords
- polished rod
- screw mandrel
- slide plate
- plate
- printing
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Abstract
The utility model provides a kind of PCB printing machine, comprises printing frame, is arranged on the printing assembly on the right side of printing frame and is arranged on the balanced component printing bottom on the left of frame, printing assembly comprises the slide plate be slidably mounted on the right side of printing frame, the left surface of slide plate is provided with the second stepper motor, the output shaft of the second stepper motor is through slide plate, the end of the output shaft of the second stepper motor is provided with the first gear, one end of slide plate right flank is provided with the second gear kept with the first gear in the same horizontal line, first gear is connected with the second gear by the second chain, the right flank of slide plate is provided with the 3rd polished rod, the two ends of the 3rd polished rod are fixedly mounted on slide plate by third gear plate, on 3rd polished rod, slip cap is equipped with doctor blade holder, second chain is fixedly connected with doctor blade holder through doctor blade holder.The utility model installs balanced controls in the bottom of printing frame, and printing process is stablized, and the past renaturation of scraper is better, and precision is high, extends the life-span of the equipment using these balanced controls.
Description
Technical field
The utility model relates to the printing equipment of circuit board, is specifically related to a kind of PCB printing machine.
Background technology
In SMT production process, three processes be experienced: the first paste solder printing; Second chip mounter paster or manual pasting; 3rd crosses weldering through reflow machine.When the first process " paste solder printing ", first a scraper will drop to assigned address, then scraper needs to move once along the direction of pcb board, finally this scraper lifting, another scraper falls, move once along pcb board direction again, so repeatedly, the corresponding perforate of tin cream by web plate is scraped to pcb board.The frequent rise and fall of whole process scraper, need good stability.In existing design, scraper adopts motor to drive and moves up and down, and it is good not toward renaturation, and overall structure stability is not enough, and the rise and fall of scraper are wayward, can not reach high-precision requirement; The scraper of existing printing machine is because trail change is relatively more frequent in motion process, and also will carry certain weight, therefore its motion process exists very unbalanced factor simultaneously, is so bound to cause the premature breakdown of some mechanical part for a long time.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, a kind of PCB printing machine is provided, this PCB press structure is simple, result of use is good, install balanced controls in the bottom of printing frame, the whole printing process of PCB printing machine is stablized, and the past renaturation of scraper is better, precision is high, extends the life-span of the equipment using these balanced controls.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of PCB printing machine, is characterized in that: comprise printing frame, be arranged on the printing assembly on the right side of printing frame and be arranged on the balanced component printing bottom on the left of frame, described printing assembly comprises the slide plate be slidably mounted on the right side of printing frame, described slide plate is vertically arrange, the left surface of described slide plate is provided with the second stepper motor, the output shaft of described second stepper motor is through slide plate, the end of the output shaft of described second stepper motor is provided with the first gear, one end of described slide plate right flank is provided with the second gear kept with the first gear in the same horizontal line, described first gear is connected with the second gear by the second chain, the right flank of described slide plate is provided with three polished rod parallel with described second chain, the two ends of described 3rd polished rod are fixedly mounted on slide plate by third gear plate, described third gear plate is fixedly mounted on slide plate, on described 3rd polished rod, slip cap is equipped with doctor blade holder, described second chain is fixedly connected with doctor blade holder through doctor blade holder, the top of described doctor blade holder is provided with two cylinders vertically downward, the lower end of described cylinder is connected with ejecting rod of cylinder, the lower end of described ejecting rod of cylinder is connected with the connector of cuboid, the opposite end of described connector bottom surface is symmetrically installed with two the 4th polished rods, the bottom of described doctor blade holder offers the through hole corresponding with the 4th position of polished rod, in described through hole, linear bearing is installed, described 4th polished rod is through described through hole, the end being positioned at described 4th polished rod on same a connection piece is connected with scraper, two described scrapers are arranged in opposite directions, described balanced component comprises base plate, is arranged on the Y moving assembly of base plate upper end edge Y-direction motion and is arranged on the X moving assembly of Y moving assembly upper end edge X-direction motion and is arranged on the balancing weight of X moving assembly upper end, described Y moving assembly comprises horizontally disposed first screw mandrel and the first polished rod, described first screw mandrel and the first polished rod are set in parallel in the opposite end on base plate top, the two ends of described first screw mandrel are rotatably installed on the first baffle plate, the two ends of described first polished rod are fixedly mounted on the first baffle plate, described first baffle plate is arranged on the upper surface of base plate, on described first screw mandrel, engagement is provided with two the first travelling nuts moved along the first screw mandrel, described first polished rod is slidably fitted with two the first slide blocks along the first polished rod motion, the end of described first screw mandrel is connected with the y-axis stepper motor for driving the first screw mandrel to rotate, two movable plates be arranged in parallel that described X moving assembly comprises, the two ends of described movable plate are arranged on the upper end of the first travelling nut and the first slide block respectively, the upper end of a described movable plate is provided with the second screw mandrel, the upper end of movable plate described in another is provided with second polished rod parallel with the second screw mandrel, the two ends of described second screw mandrel are rotatably installed on second baffle, the two ends of described second polished rod are fixedly mounted on second baffle, described second baffle is arranged on the upper surface of movable plate, on described second screw mandrel, engagement is provided with the second travelling nut moved along the second screw mandrel, the end of described second screw mandrel is connected with the X-axis stepper motor for driving the second screw mandrel to rotate, described second polished rod is slidably fitted with the second slide block along the second polished rod motion, the upper end of described second travelling nut and the second slide block is equipped with bearing bar, the end of described bearing bar is connected with at least one balancing weight.
Above-mentioned a kind of PCB printing machine, it is characterized in that, the both sides, front and back of described printing frame are vertically installed with leading screw, the top of described leading screw is through printing frame and being provided with the first sprocket wheel, described printing frame is provided with the first stepper motor, the output shaft of described first stepper motor and leading screw keeping parallelism, the output shaft of described first stepper motor is connected with the second sprocket wheel be positioned at the first sprocket wheel in same level, described second sprocket wheel and the first sprocket wheel are by the first chain engaged transmission, described leading screw is provided with the 3rd travelling nut engaged with leading screw, described 3rd travelling nut is welded on the both sides of slide plate, the side relative with printing frame of described slide plate is provided with projection, described printing frame has the chute corresponding with described projection, described slide plate slides is arranged on printing frame.
Above-mentioned a kind of PCB printing machine, is characterized in that, the quantity of described balancing weight is one.
Above-mentioned a kind of PCB printing machine, is characterized in that, the upper end of described base plate is provided with the first housing for the protection of the first screw mandrel or the first polished rod.
Above-mentioned a kind of PCB printing machine, is characterized in that, the upper end of two described movable plates is equipped with the second housing for the protection of the second screw mandrel or the second polished rod.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, and result of use is good, installs balanced controls, the whole printing process of PCB printing machine is stablized in the bottom of printing frame, and the past renaturation of scraper is better, and precision is high, extends the life-span of the equipment using these balanced controls.
2, the utility model is elevated by air cylinder driven scraper, it is good toward renaturation, stable, convenient control, by installing slide plate lowering or hoisting gear additional, first can adjust the vertical interval of the relative web plate of scraper on a large scale, last cylinder only needs to move back and forth among a small circle the blade coating operation can carrying out scraper, design like this, whole knifing process stability is high, and blade coating quality is good.
3, balanced component of the present utility model realizes the motion on the two-dimensional directional of balancing weight by X moving assembly and Y moving assembly, therefore this motion is arranged on the equipment of motion, by the movement of balancing weight and the center of gravity of the whole equipment of adjustable, the running of whole equipment can be allowed more stable, not only be conducive to working more reliably, can also equipment life be increased simultaneously.
4, in balanced component of the present utility model, the motion process of X moving assembly and Y moving assembly is realized by the travelling nut on driving stepper motor leading screw, it drives process moment of torsion large, motion accurately, by arranging center of gravity calculation module simply, just can this motion Automatic-searching center of gravity of point-device driving.By the bearing bar of balanced component can constantly superpose or take off balancing weight, can use according to different demands, balancing weight can reliably change easily, applied widely.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of printing assembly of the present utility model.
Fig. 3 is the structural representation of the utility model balanced component.
Fig. 4 is the decomposition texture schematic diagram of Fig. 3.
Fig. 5 is the decomposition texture schematic diagram of X moving assembly in balanced component of the present utility model.
Description of reference numerals:
1-printing frame; 2-base plate; 3-installing hole;
4-slide plate; 5-chute; 6-scraper;
7-the four polished rod; 8-doctor blade holder; 9-ejecting rod of cylinder;
10-cylinder; 11-connector; 12-leading screw;
13-the first sprocket wheel; 14-the first stepper motor; 15-the second sprocket wheel;
16-the first chain; 17-the three travelling nut; 18-the three polished rod;
19-third gear plate; 20-stepper motor; 21-the first gear;
22-the second gear; 23-the second chain; 100-balanced component
200-printing assembly; 30-Y moving assembly; 40-X moving assembly;
50-balancing weight; 301-the first screw mandrel; 302-the first travelling nut;
303-y-axis stepper motor; 304-the first baffle plate; 305-the first polished rod;
306-the first slide block; 401-the second housing; 402-movable plate;
403-X-axis stepper motor; 404-bearing bar; 405-the second screw mandrel;
406-the second travelling nut; 407-the second polished rod; 408-the second slide block;
409-second baffle.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the utility model comprises printing frame 1, be arranged on the printing assembly 200 on the right side of printing frame 1 and be arranged on the balanced component 100 of bottom on the left of printing frame 1, described printing assembly 200 comprises the slide plate 4 be slidably mounted on the right side of printing frame 1, described slide plate 4 is vertically arrange, the left surface of described slide plate 4 is provided with the second stepper motor 20, the output shaft of described second stepper motor 20 is through slide plate 4, the end of the output shaft of described second stepper motor 20 is provided with the first gear 21, one end of described slide plate 4 right flank is provided with the second gear 22 kept with the first gear 21 in the same horizontal line, described first gear 21 is connected with the second gear 22 by the second chain 23, the right flank of described slide plate is provided with three polished rod 18 parallel with described second chain 23, the two ends of described 3rd polished rod 18 are fixedly mounted on slide plate 4 by third gear plate 19, described third gear plate 19 is fixedly mounted on slide plate 4, on described 3rd polished rod 18, slip cap is equipped with doctor blade holder 8, described second chain 23 is fixedly connected with doctor blade holder 8 through doctor blade holder 8, the top of described doctor blade holder 8 is provided with two cylinders 10 vertically downward, the lower end of described cylinder 10 is connected with ejecting rod of cylinder 9, the lower end of described ejecting rod of cylinder 9 is connected with the connector 11 of cuboid, the opposite end of described connector 11 bottom surface is symmetrically installed with two the 4th polished rods 7, the bottom of described doctor blade holder 8 offers the through hole corresponding with the 4th polished rod 7 position, in described through hole, linear bearing is installed, described 4th polished rod 7 is through described through hole, the end being positioned at described 4th polished rod 7 on same a connection piece 11 is connected with scraper 6, two described scrapers 6 are arranged in opposite directions, described balanced component 100 comprises base plate 2, is arranged on the Y moving assembly 30 of base plate 2 upper end edge Y-direction motion and is arranged on the X moving assembly 40 of Y moving assembly 30 upper end edge X-direction motion and is arranged on the balancing weight 50 of X moving assembly 40 upper end, described Y moving assembly 30 comprises horizontally disposed first screw mandrel 301 and the first polished rod 305, described first screw mandrel 301 and the first polished rod 305 are set in parallel in the opposite end on base plate 2 top, the two ends of described first screw mandrel 301 are rotatably installed on the first baffle plate 304, the two ends of described first polished rod 305 are fixedly mounted on the first baffle plate 304, described first baffle plate 304 is arranged on the upper surface of base plate 2, on described first screw mandrel 301, engagement is provided with two the first travelling nuts 302 moved along the first screw mandrel 301, described first polished rod 305 is slidably fitted with two the first slide blocks 306 moved along the first polished rod 305, the end of described first screw mandrel 301 is connected with the y-axis stepper motor 303 for driving the first screw mandrel 301 to rotate, two movable plates be arranged in parallel 402 that described X moving assembly 40 comprises, the two ends of described movable plate 402 are arranged on the upper end of the first travelling nut 302 and the first slide block 306 respectively, the upper end of a described movable plate 402 is provided with the second screw mandrel 405, the upper end of movable plate 402 described in another is provided with second polished rod 407 parallel with the second screw mandrel 405, the two ends of described second screw mandrel 405 are rotatably installed on second baffle 409, the two ends of described second polished rod 407 are fixedly mounted on second baffle 409, described second baffle 409 is arranged on the upper surface of movable plate 402, on described second screw mandrel 405, engagement is provided with the second travelling nut 406 moved along the second screw mandrel 405, the end of described second screw mandrel 405 is connected with the X-axis stepper motor 403 for driving the second screw mandrel 405 to rotate, described second polished rod 407 is slidably fitted with the second slide block 408 moved along the second polished rod 407, the upper end of described second travelling nut 406 and the second slide block 408 is equipped with bearing bar 404, the end of described bearing bar 404 is connected with at least one balancing weight 50.
In the present embodiment, the both sides, front and back of described printing frame 1 are vertically installed with leading screw 12, the top of described leading screw 12 is through printing frame 1 and being provided with the first sprocket wheel 13, described printing frame 1 is provided with the first stepper motor 14, the output shaft of described first stepper motor 14 and leading screw 12 keeping parallelism, the output shaft of described first stepper motor 14 is connected with the second sprocket wheel 15 be positioned at the first sprocket wheel 13 in same level, described second sprocket wheel 15 and the first sprocket wheel 13 are by the first chain 16 engaged transmission, described leading screw 12 is provided with the 3rd travelling nut 17 engaged with leading screw 12, described 3rd travelling nut 17 is welded on the both sides of slide plate 4, the side relative with printing frame 1 of described slide plate 4 is provided with projection, described printing frame 1 has the chute 5 corresponding with described projection, described slide plate 4 is slidably mounted on printing frame 1.
In the present embodiment, the quantity of described balancing weight 50 is one.
In the present embodiment, the upper end of described base plate 2 is provided with the first housing for the protection of the first screw mandrel 301 or the first polished rod 305.
In the present embodiment, the upper end of two described movable plates 402 is equipped with the second housing 401 for the protection of the second screw mandrel 405 or the second polished rod 407.
The course of work of the present utility model: first, start the first stepper motor 14, the output shaft rotation of the first stepper motor 14 drives the second sprocket wheel 15 to rotate, second sprocket wheel 15 drives the first sprocket wheel 13 to rotate by the first chain 16, first sprocket wheel 13 drives leading screw 12 to rotate, engagement the 3rd travelling nut 17 be arranged on leading screw 12 moves up and down along leading screw 12, then the slide plate 4 be fixedly connected with the 3rd travelling nut 17 moves up and down along leading screw 12, and the scraper 6 be arranged on slide plate 4 achieves vertical motion; Secondly, start the second stepper motor 20, second stepper motor 20 drives the first gear 21 to rotate, first gear 21 drives the second gear 22 to rotate by the second chain 23, then be arranged on the second chain 23 upper blade frame 8 and achieve horizontal movement, then the scraper be arranged on doctor blade holder 8 achieves horizontal reciprocating movement; Finally, start y-axis stepper motor 303, then y-axis stepper motor 303 drives the first travelling nut 302 on the first screw mandrel 301 to move along the first screw mandrel 301, first travelling nut 302 is connected by movable plate 402 with the first slide block 306, move along the first screw mandrel 301 at the drive lower shifting board 402 of the first travelling nut 302 and the first slide block 306, achieve the motion of Y-direction; Start X-axis stepper motor 403, then X-axis stepper motor 403 drives the second travelling nut 406 on the second screw mandrel 405 to move along the second screw mandrel 405, second travelling nut 406 is connected with balancing weight 50 by bearing bar 404 with the second slide block 408 upper end, under the drive of the second travelling nut 406, balancing weight 50 and the second slide block 408 move along the second screw mandrel 405, achieve the motion of X-direction.Start simultaneously y-axis stepper motor 303 and X-axis stepper motor 403 can realize balancing weight 50 in the Y direction with the two dimensional motion of X-direction.
The above is only preferred embodiment of the present utility model, not imposes any restrictions the utility model.Every above embodiment is done according to utility model technical spirit any simple modification, change and equivalence change, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. a PCB printing machine, is characterized in that: comprise printing frame (1), be arranged on the printing assembly (200) on printing frame (1) right side and be arranged on the balanced component (100) of bottom on the left of printing frame (1), described printing assembly (200) comprises the slide plate (4) being slidably mounted on printing frame (1) right side, described slide plate (4) is vertically arrange, the left surface of described slide plate (4) is provided with the second stepper motor (20), the output shaft of described second stepper motor (20) is through slide plate (4), the end of the output shaft of described second stepper motor (20) is provided with the first gear (21), one end of described slide plate (4) right flank is provided with the second gear (22) kept with the first gear (21) in the same horizontal line, described first gear (21) is connected with the second gear (22) by the second chain (23), the right flank of described slide plate is provided with three polished rod (18) parallel with described second chain (23), the two ends of described 3rd polished rod (18) are fixedly mounted on slide plate (4) by third gear plate (19), described third gear plate (19) is fixedly mounted on slide plate (4), the upper slip cap of described 3rd polished rod (18) is equipped with doctor blade holder (8), described second chain (23) is fixedly connected with doctor blade holder (8) through doctor blade holder (8), the top of described doctor blade holder (8) is provided with two cylinders (10) vertically downward, the lower end of described cylinder (10) is connected with ejecting rod of cylinder (9), the lower end of described ejecting rod of cylinder (9) is connected with the connector (11) of cuboid, the opposite end of described connector (11) bottom surface is symmetrically installed with two the 4th polished rods (7), the bottom of described doctor blade holder (8) offers the through hole corresponding with the 4th polished rod (7) position, in described through hole, linear bearing is installed, described 4th polished rod (7) is through described through hole, the end being positioned at described 4th polished rod (7) on same a connection piece (11) is connected with scraper (6), two described scrapers (6) are arranged in opposite directions, described balanced component (100) comprises base plate (2), is arranged on the Y moving assembly (30) of base plate (2) upper end edge Y-direction motion and is arranged on the X moving assembly (40) of Y moving assembly (30) upper end edge X-direction motion and is arranged on the balancing weight (50) of X moving assembly (40) upper end, described Y moving assembly (30) comprises horizontally disposed first screw mandrel (301) and the first polished rod (305), described first screw mandrel (301) and the first polished rod (305) are set in parallel in the opposite end on base plate (2) top, the two ends of described first screw mandrel (301) are rotatably installed on the first baffle plate (304), the two ends of described first polished rod (305) are fixedly mounted on the first baffle plate (304), described first baffle plate (304) is arranged on the upper surface of base plate (2), the upper engagement of described first screw mandrel (301) is provided with two the first travelling nuts (302) moved along the first screw mandrel (301), described first polished rod (305) is slidably fitted with two the first slide blocks (306) moved along the first polished rod (305), the end of described first screw mandrel (301) is connected with the y-axis stepper motor (303) for driving the first screw mandrel (301) to rotate, two movable plates be arranged in parallel (402) that described X moving assembly (40) comprises, the two ends of described movable plate (402) are arranged on the upper end of the first travelling nut (302) and the first slide block (306) respectively, the upper end of a described movable plate (402) is provided with the second screw mandrel (405), the upper end of movable plate described in another (402) is provided with second polished rod (407) parallel with the second screw mandrel (405), the two ends of described second screw mandrel (405) are rotatably installed on second baffle (409), the two ends of described second polished rod (407) are fixedly mounted on second baffle (409), described second baffle (409) is arranged on the upper surface of movable plate (402), the upper engagement of described second screw mandrel (405) is provided with the second travelling nut (406) moved along the second screw mandrel (405), the end of described second screw mandrel (405) is connected with the X-axis stepper motor (403) for driving the second screw mandrel (405) to rotate, described second polished rod (407) is slidably fitted with the second slide block (408) moved along the second polished rod (407), the upper end of described second travelling nut (406) and the second slide block (408) is equipped with bearing bar (404), the end of described bearing bar (404) is connected with at least one balancing weight (50).
2. a kind of PCB printing machine according to claim 1, it is characterized in that, the both sides, front and back of described printing frame (1) are vertically installed with leading screw (12), the top of described leading screw (12) is through printing frame (1) and being provided with the first sprocket wheel (13), described printing frame (1) is provided with the first stepper motor (14), the output shaft of described first stepper motor (14) and leading screw (12) keeping parallelism, the output shaft of described first stepper motor (14) is connected with the second sprocket wheel (15) be positioned at the first sprocket wheel (13) in same level, described second sprocket wheel (15) and the first sprocket wheel (13) are by the first chain 16 engaged transmission, described leading screw (12) is provided with the 3rd travelling nut (17) engaged with leading screw (12), described 3rd travelling nut (17) is welded on the both sides of slide plate (4), the side relative with printing frame (1) of described slide plate (4) is provided with projection, described printing frame (1) has the chute (5) corresponding with described projection, described slide plate (4) is slidably mounted in printing frame (1).
3. a kind of PCB printing machine according to claim 1, is characterized in that, the quantity of described balancing weight (50) is one.
4. a kind of PCB printing machine according to claim 1, is characterized in that, the upper end of described base plate (2) is provided with the first housing for the protection of the first screw mandrel (301) or the first polished rod (305).
5. a kind of PCB printing machine according to claim 1; it is characterized in that, the upper end of two described movable plates (402) is equipped with the second housing (401) for the protection of the second screw mandrel (405) or the second polished rod (407).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708755.2U CN204322695U (en) | 2014-11-22 | 2014-11-22 | A kind of PCB printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708755.2U CN204322695U (en) | 2014-11-22 | 2014-11-22 | A kind of PCB printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204322695U true CN204322695U (en) | 2015-05-13 |
Family
ID=53159090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420708755.2U Expired - Fee Related CN204322695U (en) | 2014-11-22 | 2014-11-22 | A kind of PCB printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204322695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659723A (en) * | 2020-12-16 | 2021-04-16 | 武汉工程大学 | Finished product printing device for cosmetic packaging box |
-
2014
- 2014-11-22 CN CN201420708755.2U patent/CN204322695U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112659723A (en) * | 2020-12-16 | 2021-04-16 | 武汉工程大学 | Finished product printing device for cosmetic packaging box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151122 |