CN213798643U - Screen printer - Google Patents
Screen printer Download PDFInfo
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- CN213798643U CN213798643U CN202022126020.7U CN202022126020U CN213798643U CN 213798643 U CN213798643 U CN 213798643U CN 202022126020 U CN202022126020 U CN 202022126020U CN 213798643 U CN213798643 U CN 213798643U
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- screen printing
- frame
- fixing frame
- printing machine
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Abstract
The utility model discloses a screen printing machine is provided with a frame, a positioning mechanism, a screen printing mechanism and a printing mechanism, wherein the positioning mechanism and the screen printing mechanism are respectively arranged on the frame, and the printing mechanism is arranged on the screen printing mechanism; due to the arrangement of the positioning mechanism, an operator can quickly and accurately complete the positioning of the LED circuit board, and the screen printing precision of the screen printing machine is improved to a certain extent; the silk screen printing machine has the advantages that the silk screen printing machine is driven to be installed on the LED circuit board, the driving device, the silk screen printing fixing frame, the belt pulley and the transmission belt are arranged, the trouble of manually inserting the silk screen printing frame by operators is avoided, the assembling efficiency of the silk screen printing frame is improved, the position sensor is arranged, the silk screen printing machine can be automatically stopped after the silk screen printing frame moves to the preset installation position, the assembling precision of the silk screen printing frame is improved, and therefore the silk screen printing precision of the silk screen printing machine to the LED circuit board is further improved.
Description
Technical Field
The utility model relates to a silk screen printing field especially relates to a silk screen printing machine.
Background
In the process of manufacturing the LED circuit board, a manufacturer prints a predetermined pattern on the LED circuit board to enable the LED circuit board to display a predetermined mark, symbol, and the like, generally speaking, the manufacturer uses a screen printer to screen print the pattern on the LED circuit board, but the existing screen printer still has the following disadvantages in the actual use process:
firstly, a silk screen frame on a silk screen printing machine is usually assembled on the silk screen printing machine by using a user, and particularly, when the silk screen printing machine is required to perform silk screen printing on an LED circuit board, an operator needs to manually insert the silk screen frame into a preset fixing groove, so that time is wasted;
secondly, in the process of fixing the screen printing frame, the installation position of the screen printing frame is usually checked only by means of visual inspection of an operator, so that the situation that the installation position of the screen printing frame is inaccurate easily occurs, the screen printing frame which can only move along a preset position cannot accurately screen printing ink onto the LED circuit board, and the screen printing precision of a screen printing machine is low;
thirdly, the LED circuit board is lack of accurate positioning in the silk-screen printing process, so that the printing ink cannot be accurately silk-screened to the preset position of the LED circuit board, and the silk-screen printing precision of the silk-screen printing machine is further reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the weak point among the prior art, providing a silk screen printing machine, this silk screen printing machine not only can remove the loaded down with trivial details of the artifical silk screen printing frame of planting from, can improve the assembly precision of silk screen printing frame moreover, can also fix a position the LED circuit board.
The purpose of the utility model is realized through the following technical scheme:
a screen printing machine comprising:
a frame;
the positioning mechanism comprises a fixed seat, a material support plate and a right-angle positioning piece, the fixed seat is arranged on the rack, the material support plate is arranged on the fixed seat, the right-angle positioning piece is arranged on the material support plate, and the right-angle positioning piece is used for mutually supporting the corner of the LED circuit board;
the screen printing mechanism comprises a driving device, a screen printing fixing frame, a belt pulley, a transmission belt and a position sensor, wherein the driving device is arranged on the rack, the driving device is used for driving the screen printing fixing frame to move relative to the rack, the belt pulley is rotationally arranged on the screen printing fixing frame, the transmission belt is sleeved on the belt pulley, the transmission belt is used for mutually supporting the screen printing frame, and the position sensor is arranged on the screen printing fixing frame; and
the printing mechanism comprises a printing device, a doctor blade and a return blade, the printing device is connected with the silk-screen fixing frame, and the doctor blade and the return blade are respectively in driving connection with the printing device.
In one embodiment, the printing device comprises a traversing motor, a traversing seat, an ink scraping cylinder and an ink returning cylinder, the traversing motor is arranged on the screen printing fixing frame and used for driving the traversing seat to slide relative to the screen printing fixing frame, the ink scraping cylinder and the ink returning cylinder are respectively arranged on the traversing seat, the ink scraping blade is connected with an expansion shaft of the ink scraping cylinder, and the ink returning blade is connected with a driving shaft of the ink returning cylinder.
In one embodiment, the driving device includes a lifting motor, a lifting rail and a lead screw, the lifting motor and the lifting rail are respectively disposed on the frame, the screen printing fixing frame is slidably disposed on the lifting rail, the lead screw is rotatably disposed on the frame, the lead screw is connected with a rotating shaft of the lifting motor, and the lead screw is in threaded connection with the screen printing fixing frame.
In one embodiment, the silk screen printing mechanism further comprises a driven pulley and a driven belt, the driven pulley is rotatably disposed on the silk screen fixing frame, the driven pulley is in driving connection with the pulley, the driven belt is sleeved on the driven pulley, and the driven belt is used for mutually supporting the silk screen frame.
In one embodiment, the silk-screen printing mechanism further comprises an arc-shaped protection plate, and the arc-shaped protection plate is arranged on the silk-screen fixing frame.
In one embodiment, the silk-screen printing mechanism further comprises a direct-drive motor, the direct-drive motor is arranged on the silk-screen fixing frame, and the belt pulley is connected with a rotating shaft of the direct-drive motor.
In one embodiment, a round corner is formed at a corner position of the right-angle positioning piece.
In one embodiment, the silk-screen printing mechanism further comprises a protection rod, and the protection rod is connected with the silk-screen printing fixing frame.
In one embodiment, the screen printing machine further comprises a roller, and the roller is arranged on the rack.
In one embodiment, the screen printing machine further comprises supporting legs, and the supporting legs are in threaded connection with the frame.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model discloses a screen printing machine is provided with a frame, a positioning mechanism, a screen printing mechanism and a printing mechanism, wherein the positioning mechanism and the screen printing mechanism are respectively arranged on the frame, and the printing mechanism is arranged on the screen printing mechanism; due to the arrangement of the positioning mechanism, an operator can quickly and accurately complete the positioning of the LED circuit board, and the screen printing precision of the screen printing machine is improved to a certain extent; the silk screen printing machine has the advantages that the silk screen printing machine is driven to be installed on the LED circuit board, the driving device, the silk screen printing fixing frame, the belt pulley and the transmission belt are arranged, the trouble of manually inserting the silk screen printing frame by operators is avoided, the assembling efficiency of the silk screen printing frame is improved, the position sensor is arranged, the silk screen printing machine can be automatically stopped after the silk screen printing frame moves to the preset installation position, the assembling precision of the silk screen printing frame is improved, and therefore the silk screen printing precision of the silk screen printing machine to the LED circuit board is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a screen printing machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another angle of the screen printing machine according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 1 at A;
fig. 4 is an enlarged schematic view at B of fig. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, the screen printing machine 10 includes a frame 100, a positioning mechanism 200, a screen printing mechanism 300, and a printing mechanism 400, wherein the positioning mechanism 200 is disposed on the frame 100, the screen printing mechanism 300 is slidably disposed on the frame 100, and the printing mechanism 400 is connected to the screen printing mechanism 300.
It should be noted that the screen printing machine 10 is used for screen printing the patterns on the LED circuit board; the frame 100 plays a role in supporting and fixing; the positioning mechanism 200 plays a role in positioning the LED circuit board; the silk-screen printing mechanism 300 is used for driving the printing mechanism 400 to move along a preset track; the printing mechanism 400 is used to screen print ink onto the LED circuit board.
Referring to fig. 1, the positioning mechanism 200 includes a fixing base 210, a material carrier 220 and a right-angle positioning element 230, the fixing base 210 is disposed on the rack 100, the material carrier 220 is disposed on the fixing base 210, the right-angle positioning element 230 is disposed on the material carrier 220, and the right-angle positioning element 230 is used for supporting the corners of the LED circuit board.
It should be noted that the fixing base 210 is used for fixing the material carrier 220; the material carrier plate 220 is used for carrying the LED circuit board; the right-angle positioning member 230 is used for positioning the LED circuit board; particularly, in the practical application process, when the LED circuit board needs to be positioned, the LED circuit board can be placed on the material carrier 220, and the corners of the LED circuit board fall into the right-angle positioning member 230, that is, the side edge of the LED circuit board and the right-angle positioning member 230 are in contact with each other, so that the positioning of the LED circuit board is completed, and the screen printing machine 10 for performing screen printing along the predetermined track can accurately screen printing ink onto the LED circuit board.
Referring to fig. 2 and fig. 3, the silk-screen printing mechanism 300 includes a driving device 310, a silk-screen fixing frame 320, a belt pulley 330, a transmission belt 340 and a position sensor 350, the driving device 310 is disposed on the frame 100, the driving device 310 is used for driving the silk-screen fixing frame 320 to move relative to the frame 100, the belt pulley 330 is rotatably disposed on the silk-screen fixing frame 320, the transmission belt 340 is sleeved on the belt pulley 330, the transmission belt 340 is used for supporting the silk-screen frame 20, and the position sensor 350 is disposed on the silk-screen fixing frame 320.
It should be noted that the driving device 310 is used for providing power to the screen printing fixing frame 320, so that the screen printing fixing frame 320 can move relative to the frame 100;
the silk-screen fixing frame 320 is used for supporting the belt pulley 330 to rotate; the belt pulley 330 is used for driving the transmission belt 340 to synchronously rotate; the transmission belt 340 is used for driving the screen printing frame 20 to move so that the screen printing frame can move to a preset position on the screen printing fixing frame 320, and thus the screen printing frame is positioned; the position sensor 350 is used for detecting the relative position of the screen frame 20 and the screen holder 320.
It should be added that, in the actual assembly process of the screen printing frame, the operator only needs to place the screen printing frame on the transmission belt 340, and the belt pulley 330 drives the transmission belt 340 to rotate, so that the screen printing frame placed on the transmission belt 340 can move relative to the screen printing fixing frame 320 under the driving of the transmission belt 340; when the position sensor 350 detects that the screen printing frame moves to a predetermined position, the belt pulley 330 stops rotating, so that the screen printing frame can be accurately mounted on the predetermined position of the screen printing fixing frame 320, and the screen printing precision is improved.
In addition, it should be noted that, in another embodiment, the silk-screen printing mechanism 300 includes four belt pulleys 330 and four transmission belts 340, each belt pulley 330 is respectively rotatably disposed on the silk-screen fixing frame 320, each transmission belt 340 is sleeved on each belt pulley 330 in a one-to-one correspondence manner, each transmission belt 340 is used for supporting the silk-screen frame, and each belt pulley 330 and each transmission belt 340 are in an axisymmetric structure; in the actual assembly process of the screen printing frame, the screen printing frame only needs to be inserted into the space between two adjacent transmission belts 340, and the screen printing frame can be driven by the four transmission belts 340 to move relative to the screen printing fixing frame 320, so that the screen printing frame can be fixed without consuming too much manpower.
Referring to fig. 4, the printing mechanism 400 includes a printing device 410, a doctor blade 420 and a return blade 430, the printing device 410 is connected to the screen holder 320, and the doctor blade 420 and the return blade 430 are respectively connected to the printing device 410 in a driving manner.
It should be noted that the printing device 410 is configured to provide power to the doctor blade 420 and the ink return blade 430, so that the doctor blade 420 and the ink return blade 430 can scrape ink on the screen printing frame; the scraping blade 420 and the ink returning blade 430 are used for scraping ink on the screen printing frame.
Referring to fig. 2 and 4, in one embodiment, the printing device 410 includes a traverse motor 411, a traverse base 412, a wiping cylinder 413 and an ink return cylinder 414, the traverse motor 411 is disposed on the screen holder 320, the traverse motor 411 is used to drive the traverse base 412 to slide relative to the screen holder 320, the wiping cylinder 413 and the ink return cylinder 414 are respectively disposed on the traverse base 412, the wiping blade 420 is connected to an expansion shaft of the wiping cylinder 413, and the ink return blade 430 is connected to a driving shaft of the ink return cylinder 414.
It should be noted that the traverse motor 411 is used for providing power to the traverse base 412, so that the traverse base 412 can slide relative to the screen printing fixing frame 320; the traversing seat 412 is used for driving the ink scraping cylinder 413 and the ink returning cylinder 414 to synchronously move; the ink scraping cylinder 413 is used for driving the ink scraping knife 420 to press and hold the ink scraping knife on the screen printing net on the screen printing frame, so that ink on the screen printing frame is scraped, and the ink can penetrate through the screen printing net and be attached to the LED circuit board; the ink returning cylinder 414 is used for driving the ink returning blade 430 to press and hold on the screen printing net on the screen printing frame, so as to scrape the ink on the screen printing frame back to a preset position on the screen printing net;
referring to fig. 2, in one embodiment, the driving device 310 further includes a lifting motor 311, a lifting guide rail 312 and a lead screw 313, the lifting motor 311 and the lifting guide rail 312 are respectively disposed on the frame 100, the screen printing fixing frame 320 is slidably disposed on the lifting guide rail 312, the lead screw 313 is rotatably disposed on the frame 100, the lead screw 313 is connected to a rotating shaft of the lifting motor 311, and the lead screw 313 is screwed to the screen printing fixing frame 320.
It should be noted that the lifting motor 311 is used for driving the screw rod 313 to pivot; the lifting guide rail 312 is used for guiding the silk screen fixing frame 320 to slide along a preset track; the screw 313 is used for transmitting the power of the lifting motor 311 to the screen printing fixing frame 320, so that the screen printing fixing frame 320 can slide along the lifting guide rail 312.
Referring to fig. 3, in one embodiment, the screen printing mechanism 300 further includes a driven pulley 360 and a driven belt 370, the driven pulley 360 is rotatably disposed on the screen printing fixing frame 320, the driven pulley 360 is in driving connection with the pulley 330, the driven belt 370 is sleeved on the driven pulley 360, and the driven belt 370 is used for supporting the screen printing frame 20.
It should be noted that the driven pulley 360 is used to provide power to the driven belt 370; the driven belt 370 is used for driving the screen frame to move relative to the screen fixing frame 320 together with the driving belt 340.
Referring to fig. 3, in one embodiment, the screen printing mechanism 300 further includes an arc-shaped protection plate 380, and the arc-shaped protection plate 380 is disposed on the screen printing fixing frame 320.
It should be noted that the arc-shaped guard plate 380 plays a role of protection; the collision injury of foreign objects to part of the position of the silk-screen printing mechanism 300 is avoided.
Referring to fig. 3, in one embodiment, the screen printing mechanism 300 further includes a direct drive motor 390, the direct drive motor 390 is disposed on the screen printing fixing frame 320, and the pulley 330 is connected to a rotating shaft of the direct drive motor 390.
It should be noted that the direct drive motor 390 is used to drive the belt pulley 330 to rotate relative to the screen printing fixing frame 320, so that the transmission belt 340 can drive the screen printing frame to move.
Referring to fig. 1, in one embodiment, a rounded portion 231 is disposed at a corner of the right-angle positioning member 230.
It should be noted that, the round corner 231 is provided to avoid the LED circuit board from being damaged by the corner of the right-angle positioning element 230 during the collision process.
Referring to fig. 1, in one embodiment, the screen printing mechanism 300 further includes a protection rod 3100, and the protection rod 3100 is connected to the screen printing fixing frame 320.
It should be noted that the protection rod 3100 plays a role of protection, and prevents foreign objects from directly impacting on the screen printing fixing frame 320.
Referring to fig. 1, in one embodiment, the screen printing machine 10 further includes a roller 500, and the roller 500 is disposed on the frame 100.
It should be noted that the rollers 500 are provided to facilitate the movement of the frame 100 by the operator.
Referring to fig. 1, in one embodiment, the screen printing machine 10 further includes a support foot 600, and the support foot 600 is screwed with the frame 100.
It should be noted that, the support legs 600 are provided, so that an operator can quickly complete the locking and fixing of the frame 100, and the screen printer 10 is prevented from sliding on the ground.
Compared with the prior art, the utility model discloses advantage and beneficial effect below having at least:
the utility model discloses a screen printing machine is provided with a frame, a positioning mechanism, a screen printing mechanism and a printing mechanism, wherein the positioning mechanism and the screen printing mechanism are respectively arranged on the frame, and the printing mechanism is arranged on the screen printing mechanism; due to the arrangement of the positioning mechanism, an operator can quickly and accurately complete the positioning of the LED circuit board, and the screen printing precision of the screen printing machine is improved to a certain extent; the silk screen printing machine has the advantages that the silk screen printing machine is driven to be installed on the LED circuit board, the driving device, the silk screen printing fixing frame, the belt pulley and the transmission belt are arranged, the trouble of manually inserting the silk screen printing frame by operators is avoided, the assembling efficiency of the silk screen printing frame is improved, the position sensor is arranged, the silk screen printing machine can be automatically stopped after the silk screen printing frame moves to the preset installation position, the assembling precision of the silk screen printing frame is improved, and therefore the silk screen printing precision of the silk screen printing machine to the LED circuit board is further improved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A screen printing machine, characterized by comprising:
a frame;
the positioning mechanism comprises a fixed seat, a material support plate and a right-angle positioning piece, the fixed seat is arranged on the rack, the material support plate is arranged on the fixed seat, the right-angle positioning piece is arranged on the material support plate, and the right-angle positioning piece is used for mutually supporting the corner of the LED circuit board;
the screen printing mechanism comprises a driving device, a screen printing fixing frame, a belt pulley, a transmission belt and a position sensor, wherein the driving device is arranged on the rack, the driving device is used for driving the screen printing fixing frame to move relative to the rack, the belt pulley is rotationally arranged on the screen printing fixing frame, the transmission belt is sleeved on the belt pulley, the transmission belt is used for mutually supporting the screen printing frame, and the position sensor is arranged on the screen printing fixing frame; and
the printing mechanism comprises a printing device, a doctor blade and a return blade, the printing device is connected with the silk-screen fixing frame, and the doctor blade and the return blade are respectively in driving connection with the printing device.
2. The screen printing machine as claimed in claim 1, wherein the printing device comprises a traverse motor, a traverse seat, a wiping cylinder and an ink returning cylinder, the traverse motor is disposed on the screen printing fixing frame, the traverse motor is used for driving the traverse seat to slide relative to the screen printing fixing frame, the wiping cylinder and the ink returning cylinder are respectively disposed on the traverse seat, the wiping blade is connected with the telescopic shaft of the wiping cylinder, and the ink returning blade is connected with the driving shaft of the ink returning cylinder.
3. The screen printing machine according to claim 1, wherein the driving device comprises a lifting motor, a lifting rail and a lead screw, the lifting motor and the lifting rail are respectively disposed on the frame, the screen printing fixing frame is slidably disposed on the lifting rail, the lead screw is rotatably disposed on the frame, the lead screw is connected with a rotating shaft of the lifting motor, and the lead screw is in threaded connection with the screen printing fixing frame.
4. The screen printing machine of claim 1, wherein the screen printing mechanism further comprises a driven pulley and a driven belt, the driven pulley is rotatably disposed on the screen printing fixing frame, the driven pulley is in driving connection with the pulley, the driven belt is sleeved on the driven pulley, and the driven belt is used for mutually supporting the screen printing frame.
5. The screen printing machine of claim 1, wherein the screen printing mechanism further comprises an arc-shaped guard plate, and the arc-shaped guard plate is arranged on the screen printing fixing frame.
6. The screen printing machine according to claim 1, wherein the screen printing mechanism further comprises a direct drive motor, the direct drive motor is arranged on the screen printing fixing frame, and the belt pulley is connected with a rotating shaft of the direct drive motor.
7. The screen printing machine of claim 1, wherein rounded corners are formed at the corners of the right-angle positioning member.
8. The screen printing machine of claim 1, wherein the screen printing mechanism further comprises a protection rod, and the protection rod is connected with the screen printing fixing frame.
9. The screen printing machine of claim 1, further comprising rollers disposed on the frame.
10. The screen printing machine of claim 1, further comprising support feet in threaded engagement with the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022126020.7U CN213798643U (en) | 2020-09-24 | 2020-09-24 | Screen printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022126020.7U CN213798643U (en) | 2020-09-24 | 2020-09-24 | Screen printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213798643U true CN213798643U (en) | 2021-07-27 |
Family
ID=76955179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022126020.7U Active CN213798643U (en) | 2020-09-24 | 2020-09-24 | Screen printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213798643U (en) |
-
2020
- 2020-09-24 CN CN202022126020.7U patent/CN213798643U/en active Active
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