CN112192941B - Wax screen printing machine - Google Patents
Wax screen printing machine Download PDFInfo
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- CN112192941B CN112192941B CN202011064986.0A CN202011064986A CN112192941B CN 112192941 B CN112192941 B CN 112192941B CN 202011064986 A CN202011064986 A CN 202011064986A CN 112192941 B CN112192941 B CN 112192941B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0804—Machines for printing sheets
- B41F15/0813—Machines for printing sheets with flat screens
- B41F15/0818—Machines for printing sheets with flat screens with a stationary screen and a moving squeegee
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
- B41F15/46—Squeegees or doctors with two or more operative parts
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a wax screen printing machine which comprises a rack, a vertical frame, a printing platform, a horizontal moving mechanism and a vertical moving mechanism, wherein the printing platform is arranged above the rack, the vertical frame is vertically arranged above the rack, the horizontal moving mechanism is arranged on the vertical frame, the vertical moving mechanism is arranged on the horizontal moving mechanism, the vertical moving mechanism clamps a wax rod and a wax scraping plate, the printing platform is positioned below the vertical moving mechanism, and a control panel is further fixed on the rack. The wax screen printing machine breaks through the blank of the automatic screen printing wax of the microfluidic chip, has the technical characteristics of high automation degree, uniform and efficient printing and good product consistency, has wide processing range, and can adapt to different shapes of chips and screen printing plates by adjusting the position of the sensor in a sliding manner.
Description
Technical Field
The invention relates to the technical field of printing equipment, in particular to a wax screen printing machine for printing a hydrophobic channel by using a microfluidic chip.
Background
In the 20 th century and the 80 th century, microfluidic technology was gradually developed, which is originally called lab-on-a-chips (lab-on-a-chips) or micro-integrated analytical chips (micro-organic analytical systems), and by constructing channels on the chips, complex analytical processes of biology, chemistry and medicine are transferred to one chip, so that the microfluidic chip has the advantages of low reagent consumption, high flux, low cost and the like. The biggest bottleneck hindering the development of microfluidic technology remains the processing and manufacturing problem.
In the prior art, a chinese patent with an issued publication number of CN104226389B discloses a wax screen printing processing method of a cloth-based microfluidic analysis chip, which comprises the following steps: placing cotton cloth in a container, adding water, and boiling; taking out the cotton cloth, drying in the air, putting into another container, and adding sodium carbonate solution for soaking; then taking out the cotton cloth, washing with water and drying in the air; flatly paving the treated cotton cloth on a platform, covering a screen printing screen plate with a designed pattern on the cotton cloth, coating wax, and grinding; and then baking the screen plate and the cotton cloth together, and separating the cotton cloth from the screen plate after baking is finished to obtain the cloth-based microfluidic analysis chip. The above technique has the following drawbacks: the silk screen printing plate is manually waxed and milled, the processing and coating uniformity is poor, the requirement on the consistency of products cannot be met, the manual processing efficiency is low, the time cost is high, and the large-scale production cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a wax screen printing machine which can quickly and efficiently realize that solid wax prints a hydrophobic channel on the surface of a microfluidic chip and realize large-scale production of the microfluidic chip.
The technical scheme of the invention is as follows: the utility model provides a wax screen printer, includes frame, perpendicular frame, print platform, horizontal migration mechanism and vertical moving mechanism, the frame top is equipped with print platform, erect the frame and install in the frame top vertically, erect and be equipped with horizontal migration mechanism on the frame, vertical moving mechanism installs on horizontal migration mechanism, vertical moving mechanism centre gripping wax stick and wax scraping plate, print platform is located vertical moving mechanism's below, still is fixed with control panel in the frame. The control panel controls the operation of the printing platform, the horizontal moving mechanism and the vertical moving mechanism, the control panel is provided with buttons, and the printing platform can be rapidly stopped if accidents happen due to the design of safety buttons, so that the safety of operators is guaranteed.
Printing platform includes bottom plate, position control mechanism, half tone tray, mirror surface corrosion resistant plate and silk screen version, bottom plate and frame fixed connection still are equipped with position control mechanism on the bottom plate, and position control mechanism is connected with the half tone tray, the mirror surface corrosion resistant plate through the bolt fastening through the polishing is passed through to half tone tray top, and mirror surface corrosion resistant plate top is equipped with the silk screen version, holds cylinder and fixed angle sign indicating number tightly, hold the cylinder with silk screen version top to angle sign indicating number department in order to lock tightly. By adopting the technical scheme, a small amount of wax penetrating through the silk-screen printing plate and the chip substrate is easy to clean. The tightly-holding air cylinder and the corner codes lock the silk-screen printing plate together, the silk-screen printing plate does not need to be locked by manual operation during printing, and the silk-screen printing plate is automatically shrunk by the tightly-holding air cylinder after a preparation button is pressed, so that the operation is convenient and reliable; the end face of the holding cylinder is provided with the silica gel pad, so that the friction force on the screen printing plate is increased, and the screen printing plate is prevented from moving in work.
The position adjusting mechanism comprises a double-optical-axis lead screw guide rail and a stepping motor, the double-optical-axis lead screw guide rail is connected with the stepping motor, a first position sensor is installed on a side sliding groove of the double-optical-axis lead screw guide rail, a sliding block of the double-optical-axis lead screw guide rail is connected with the screen plate tray through a pin, and the axis direction of the double-optical-axis lead screw guide rail is perpendicular to the moving direction of the horizontal moving mechanism. By adopting the technical scheme, the problem that the small-diameter wax rod can only realize line coating is solved, and complete surface coating is realized by controlling the front-and-back movement of the screen printing plate through the position adjusting mechanism and controlling the superposition of the left-and-right movement of the wax rod through the horizontal moving mechanism.
The position adjusting mechanism further comprises a first optical axis guide rail and a second optical axis guide rail, the first optical axis guide rail, the second optical axis guide rail and the double-optical-axis lead screw guide rail are arranged on the bottom plate in parallel, the first optical axis guide rail and the second optical axis guide rail are located on two sides of the double-optical-axis lead screw guide rail, and sliding blocks of the first optical axis guide rail and the second optical axis guide rail are connected with the edge of the screen plate tray through bolts. By adopting the technical scheme, the first optical axis guide rail and the second optical axis guide rail are connected with the edge of the screen plate tray, so that the load is balanced, and the influence of the impact force of the wax rod and the wax scraping plate on the screen plate tray on the operation stability in the operation process is reduced.
The horizontal moving mechanism comprises a transverse fixing plate and a rodless cylinder, the transverse fixing plate is fixedly mounted on the vertical frame, two ends of the rodless cylinder are connected with the transverse fixing plate, a second position sensor is arranged on the rodless cylinder, and the vertical moving mechanism is connected with a connecting piece of the rodless cylinder through a pin. The axis direction of the double-optical-axis lead screw guide rail is perpendicular to the moving direction of the rodless cylinder connecting piece.
The horizontal moving mechanism further comprises a third optical axis guide rail and a fourth optical axis guide rail, two ends of the third optical axis guide rail and two ends of the fourth optical axis guide rail are connected with the transverse fixing plate, and the vertical moving mechanism is connected with the third optical axis guide rail and the fourth optical axis guide rail through sliding blocks. The third optical axis guide rail and the fourth optical axis guide rail are combined with the rodless cylinder for use, the cylinder fixing frame is mounted and driven together, and the influence of the tension force perpendicular to the movement direction of the rodless cylinder on the service life of the rodless cylinder in the working process is avoided.
Vertical moving mechanism includes cylinder mount, threaded connection pole, first SDA cylinder, second SDA cylinder, first metal axle carriage and second metal axle carriage, first SDA cylinder and second SDA cylinder are installed on the cylinder mount vertically, the output and the threaded connection pole of first SDA cylinder are connected, and the upper portion of threaded connection pole is passed through the knurling nut and is connected with first metal axle carriage, the output and the threaded connection pole of second SDA cylinder are connected, and the upper portion of threaded connection pole is passed through the knurling nut and is connected with second metal axle carriage. Wherein, through adopting above-mentioned technical scheme, the clearance that floats between threaded connection pole and first metal axle carriage, the second metal axle carriage has guaranteed that first SDA cylinder and second SDA cylinder do not receive the radial effort destruction of perpendicular to piston rod, has prolonged the life of SDA cylinder.
First metal axle carriage is connected with wax stick holder base and latch segment, form the space of centre gripping wax stick between wax stick holder base and the latch segment, be equipped with the screw hole of triangle tooth form on wax stick holder base and the latch segment, twist nut locking wax stick through a set of bolt and hand, the wax stick of solid is as coating material. Wherein, through adopting above-mentioned technical scheme, press from both sides tight wax stick, avoided the problem that the wax stick receives pressure and slides in printing process. The solid wax rod is adopted, so that the phenomenon that the traditional liquid wax or molten paraffin is infiltrated and spread to a non-printing area of the chip substrate in the printing process is avoided, and the printing quality is greatly improved.
The second metal shaft sliding frame is connected with a vertical connecting plate, the vertical connecting plate is connected with a wax scraping plate through a bolt, the inclination angle of the cutting edge of the wax scraping plate and the vertical direction is 10-20 degrees, and the cutting edge of the wax scraping plate is ground to be round and polished. By adopting the technical scheme, the silk-screen printing plate is not scraped by the wax scraping plate in the printing process, the service life of the silk-screen printing plate is prolonged, and the inclination angle of the cutting edge is favorable for chip removal of the wax scraping plate; the wax scraping plate is connected with the vertical connecting plate through a bolt, so that the angle of the wax scraping plate can be finely adjusted, and the effect of scraping residual wax is improved.
Four corners of the bottom of the rack are connected with universal feet through threads. By adopting the technical scheme, the machine body can be stably placed on various surfaces and is easy to level.
When the wax screen printing machine needs to print a hydrophobic channel on a microfluidic chip, a chip substrate is placed on a mirror surface stainless steel plate, a screen printing plate is placed on the chip substrate, a preparation button of a control panel is pressed, an enclasping cylinder automatically enclasp the screen printing plate, the screen printing plate is locked, and meanwhile a stepping motor drives a double-optical-axis lead screw guide rail to drive a screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to move to a target position; pressing a start button, driving the double-optical-axis lead screw guide rail by the stepping motor to drive the screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to reciprocate along the front-back direction, driving the wax rod to press down to the screen printing plate by the first SDA cylinder, driving the wax rod to reciprocate along the left-right direction so as to uniformly coat wax on the whole two-dimensional plane, after the set cycle number is reached, lifting the wax rod, driving the wax scraping plate to press down to the screen printing plate by the second SDA cylinder, driving the wax scraping plate to reciprocate along the left-right direction so as to scrape off residual wax, driving the double-optical-axis lead screw guide rail by the stepping motor to drive the screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to stop at the initial position, lifting the wax scraping plate, tightly holding the cylinder to release, and finishing the printing process.
Compared with the prior art, the invention has the following beneficial effects:
the wax screen printing machine breaks through the blank of the automatic screen printing wax of the microfluidic chip, has the technical characteristics of high automation degree, uniform and efficient printing and good product consistency, has wide processing range, and can adapt to different shapes of chips and screen printing plates by adjusting the position of the sensor in a sliding manner.
According to the wax screen printing machine, the silk screen printing plate is locked through the holding cylinder and the corner codes, the silk screen printing plate does not need to be manually fixed, and the silk screen printing plate is automatically locked through the holding cylinder after the preparation button is pressed; the wax screen printing machine adopts a modular design, and components such as a wax rod clamping part, a wax scraping plate and the like can be quickly replaced; the method has simple operation steps and does not need professional operation. The wax screen printing machine is provided with a safety button, and can be quickly stopped if an accident occurs, so that the safety of an operator is ensured.
This wax screen printing machine's first optical axis guide rail and second optical axis guide rail and half tone tray edge connection have balanced the load, have reduced the influence that the impact force of operation in-process wax stick and wax scraping plate to half tone tray caused to operating stability, have guaranteed the printing effect.
The wax screen printing machine adopts the cylinder to control and drive, has stable working pressure, uniform processing, good product consistency, good printing effect and clear and sharp pattern edges.
Drawings
Fig. 1 is a front view of the present wax screen printing machine.
Fig. 2 is a side view of the present wax screen printing machine.
Fig. 3 is a plan view of the wax screen printer.
Fig. 4 is a schematic structural diagram of the printing platform.
Fig. 5 is a schematic structural view of the vertical movement mechanism.
Fig. 6 is a view of a production sample of the present wax screen printer.
Wherein, as shown in the figure, 1 is a universal foot margin, 2 is a control panel, 3 is a frame, 4 is a bottom plate, 5 is a wax rod, 6 is a third optical axis guide rail, 7 is a fourth optical axis guide rail, 8 is a threaded connecting rod, 9 is a connecting sheet, 10 is a vertical connecting plate, 11 is a wax scraping plate, 12 is a first optical axis guide rail, 13 is a second optical axis guide rail, 14 is a first position sensor, 15 is a vertical frame, 16 is a silk screen printing plate, 17 is a cylinder fixing frame, 18 is a transverse fixing plate, 19 is a knurled nut, 20 is a locking block, 21 is a wax rod holder base, 22 is a hand-screwed nut, 23 is an angle code, 24 is a screen plate tray, 25 is a sliding block of the third optical axis guide rail and the fourth optical axis guide rail, 26 is a rodless cylinder, 27 is a second position sensor, 28 is a biaxial lead screw guide rail, 29 is a holding cylinder, 30 is a mirror surface stainless steel plate, 31 is a first SDA cylinder, 32 is a second cylinder, 33 is a second metal shaft sliding frame, 34 is a first metal shaft sliding frame.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Examples
The embodiment provides a wax screen printing machine, as shown in fig. 1-3, including frame 3, perpendicular frame 15, printing platform, horizontal migration mechanism and vertical moving mechanism, the frame top is equipped with printing platform, perpendicular frame is installed in the frame top vertically, is equipped with horizontal migration mechanism on perpendicular frame, and vertical moving mechanism installs on horizontal migration mechanism, vertical moving mechanism centre gripping wax stick 5 and wax scraping plate, printing platform is located vertical moving mechanism's below, still is fixed with control panel 2 in the frame. The control panel controls the operation of the printing platform, the horizontal moving mechanism and the vertical moving mechanism, the control panel is provided with buttons, and the printing platform can be rapidly stopped if accidents happen due to the design of safety buttons, so that the safety of operators is guaranteed.
As shown in fig. 4, the printing platform comprises a base plate 4, a position adjusting mechanism, a screen plate tray 24, a mirror surface stainless steel plate 30 and a screen printing plate 16, the base plate is fixedly connected with the frame, the position adjusting mechanism is further arranged on the base plate and connected with the screen plate tray, the mirror surface stainless steel plate which is subjected to polishing is fixed above the screen plate tray through bolts, the screen printing plate, a holding cylinder 29 and a fixed corner code 23 are arranged above the mirror surface stainless steel plate, and the holding cylinder is used for supporting the screen printing plate to the corner code to be locked. By adopting the technical scheme, a small amount of wax penetrating through the silk-screen printing plate and the chip substrate is easy to clean. The tightly-holding air cylinder and the corner codes lock the silk-screen printing plate together, the silk-screen printing plate does not need to be locked by manual operation during printing, and the silk-screen printing plate is automatically shrunk by the tightly-holding air cylinder after a preparation button is pressed, so that the operation is convenient and reliable; the end face of the holding cylinder is provided with the silica gel pad, so that the friction force on the screen printing plate is increased, and the screen printing plate is prevented from moving in work.
The position adjusting mechanism comprises a double-optical-axis lead screw guide rail 28 and a stepping motor, the double-optical-axis lead screw guide rail is connected with the stepping motor, a first position sensor 14 is installed on a side sliding groove of the double-optical-axis lead screw guide rail, a sliding block of the double-optical-axis lead screw guide rail is connected with a screen printing plate tray through a pin, and the axis direction of the double-optical-axis lead screw guide rail is perpendicular to the moving direction of the horizontal moving mechanism. By adopting the technical scheme, the problem that the small-diameter wax rod can only realize line coating is solved, and complete surface coating is realized by controlling the front-and-back movement of the screen printing plate through the position adjusting mechanism and controlling the superposition of the left-and-right movement of the wax rod through the horizontal moving mechanism.
The position adjusting mechanism further comprises a first optical axis guide rail 12 and a second optical axis guide rail 13, the first optical axis guide rail, the second optical axis guide rail and the double-optical axis lead screw guide rail are arranged on the bottom plate in parallel, the first optical axis guide rail and the second optical axis guide rail are located on two sides of the double-optical axis lead screw guide rail, and sliding blocks of the first optical axis guide rail and the second optical axis guide rail are connected with the edge of the screen plate tray through bolts. By adopting the technical scheme, the first optical axis guide rail and the second optical axis guide rail are connected with the edge of the screen plate tray, so that the load is balanced, and the influence of the impact force of the wax rod and the wax scraping plate on the screen plate tray on the operation stability in the operation process is reduced.
The horizontal moving mechanism comprises a transverse fixing plate 18 and a rodless cylinder 26, the transverse fixing plate is fixedly mounted on the vertical frame, two ends of the rodless cylinder are connected with the transverse fixing plate, a second position sensor 27 is arranged on the rodless cylinder, and the vertical moving mechanism is connected with a connecting piece 9 of the rodless cylinder through a pin. The axis direction of the double-optical-axis lead screw guide rail is perpendicular to the moving direction of the rodless cylinder connecting piece.
The horizontal moving mechanism further comprises a third optical axis guide rail 6 and a fourth optical axis guide rail 7, two ends of the third optical axis guide rail and two ends of the fourth optical axis guide rail are connected with the transverse fixing plate, and the vertical moving mechanism is connected with the sliding blocks 25 of the third optical axis guide rail and the fourth optical axis guide rail. The third optical axis guide rail and the fourth optical axis guide rail are combined with the rodless cylinder for use, the cylinder fixing frame is mounted and driven together, and the influence of the tension force perpendicular to the movement direction of the rodless cylinder on the service life of the rodless cylinder in the working process is avoided.
As shown in fig. 5, the vertical moving mechanism includes a cylinder fixing frame 17, a threaded connection rod, a first SDA cylinder 31, a second SDA cylinder 32, a first metal shaft sliding frame 34, and a second metal shaft sliding frame 33, the first SDA cylinder and the second SDA cylinder are vertically installed on the cylinder fixing frame, an output end of the first SDA cylinder is connected to the threaded connection rod 8, an upper portion of the threaded connection rod is connected to the first metal shaft sliding frame through a knurled nut 19, an output end of the second SDA cylinder is connected to the threaded connection rod, and an upper portion of the threaded connection rod is connected to the second metal shaft sliding frame through a knurled nut 19. Wherein, through adopting above-mentioned technical scheme, the clearance that floats between threaded connection pole and first metal axle carriage, the second metal axle carriage has guaranteed that first SDA cylinder and second SDA cylinder do not receive the radial effort destruction of perpendicular to piston rod, has prolonged the life of SDA cylinder.
First metal axle carriage is connected with wax stick holder base 21 and latch segment 20, forms the space of centre gripping wax stick between wax stick holder base and the latch segment, is equipped with the screw hole of triangle tooth form on wax stick holder base and the latch segment, screws up nut 22 locking wax stick through a set of bolt and hand, the wax stick of solid is as coating material. Wherein, through adopting above-mentioned technical scheme, press from both sides tight wax stick, avoided the problem that the wax stick receives pressure and slides in printing process. The solid wax rod is adopted, so that the phenomenon that the traditional liquid wax or molten paraffin is infiltrated and spread to a non-printing area of the chip substrate in the printing process is avoided, and the printing quality is greatly improved.
The second metal shaft sliding frame is connected with a vertical connecting plate 10, the vertical connecting plate is connected with a wax scraping plate 11 through a bolt, the cutting edge of the wax scraping plate is 15 degrees with the inclination angle in the vertical direction, and the cutting edge of the wax scraping plate is subjected to rounding and polishing. By adopting the technical scheme, the silk-screen printing plate is not scraped by the wax scraping plate in the printing process, the service life of the silk-screen printing plate is prolonged, and the inclination angle of the cutting edge is favorable for chip removal of the wax scraping plate; the wax scraping plate is connected with the vertical connecting plate through a bolt, so that the angle of the wax scraping plate can be finely adjusted, and the effect of scraping residual wax is improved.
Four corners of the bottom of the frame are connected with universal feet 1 through threads. By adopting the technical scheme, the machine body can be stably placed on various surfaces and is easy to level.
When the wax screen printing machine needs to print a hydrophobic channel on a microfluidic chip, a chip substrate is placed on a mirror surface stainless steel plate, a screen printing plate is placed on the chip substrate, a preparation button of a control panel is pressed, an enclasping cylinder automatically enclasp the screen printing plate, the screen printing plate is locked, and meanwhile a stepping motor drives a double-optical-axis lead screw guide rail to drive a screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to move to a target position; pressing a start button, driving the double-optical-axis lead screw guide rail by the stepping motor to drive the screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to reciprocate along the front-back direction, driving the wax rod to press down to the screen printing plate by the first SDA cylinder, driving the wax rod to reciprocate along the left-right direction so as to uniformly coat wax on the whole two-dimensional plane, after the set cycle number is reached, lifting the wax rod, driving the wax scraping plate to press down to the screen printing plate by the second SDA cylinder, driving the wax scraping plate to reciprocate along the left-right direction so as to scrape off residual wax, driving the double-optical-axis lead screw guide rail by the stepping motor to drive the screen plate tray, the mirror surface stainless steel plate, the chip substrate and the screen printing plate to stop at the initial position, lifting the wax scraping plate, tightly holding the cylinder to release, and finishing the printing process. Fig. 6 is a diagram showing a production sample of the present wax screen printer.
As mentioned above, the present invention can be better realized, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present disclosure are intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. A wax screen printing machine is characterized by comprising a rack, a vertical frame, a printing platform, a horizontal moving mechanism and a vertical moving mechanism, wherein the printing platform is arranged above the rack, the vertical frame is vertically arranged above the rack, the horizontal moving mechanism is arranged on the vertical frame, the vertical moving mechanism is arranged on the horizontal moving mechanism, the vertical moving mechanism clamps a wax rod and a wax scraping plate, the printing platform is positioned below the vertical moving mechanism, and a control panel is further fixed on the rack;
the printing platform comprises a bottom plate, a position adjusting mechanism, a screen plate tray, a mirror surface stainless steel plate and a silk-screen printing plate, wherein the bottom plate is fixedly connected with the rack, the bottom plate is also provided with the position adjusting mechanism, the position adjusting mechanism is connected with the screen plate tray, the polished mirror surface stainless steel plate is fixed above the screen plate tray through bolts, the silk-screen printing plate, a holding cylinder and a fixed corner code are arranged above the mirror surface stainless steel plate, and the holding cylinder is used for jacking the silk-screen printing plate to the corner code position to lock the silk-screen printing plate;
the position adjusting mechanism comprises a double-optical-axis lead screw guide rail and a stepping motor, the double-optical-axis lead screw guide rail is connected with the stepping motor, a first position sensor is arranged on a side chute of the double-optical-axis lead screw guide rail, a sliding block of the double-optical-axis lead screw guide rail is connected with the screen plate tray through a pin, and the axial direction of the double-optical-axis lead screw guide rail is vertical to the moving direction of the horizontal moving mechanism;
the position adjusting mechanism further comprises a first optical axis guide rail and a second optical axis guide rail, the first optical axis guide rail, the second optical axis guide rail and the double-optical axis screw rod guide rail are arranged on the bottom plate in parallel, the first optical axis guide rail and the second optical axis guide rail are positioned on two sides of the double-optical axis screw rod guide rail, and sliding blocks of the first optical axis guide rail and the second optical axis guide rail are connected with the edge of the screen plate tray through bolts;
the vertical moving mechanism comprises a cylinder fixing frame, a threaded connecting rod, a first SDA cylinder, a second SDA cylinder, a first metal shaft sliding frame and a second metal shaft sliding frame, wherein the first SDA cylinder and the second SDA cylinder are vertically installed on the cylinder fixing frame, the output end of the first SDA cylinder is connected with the threaded connecting rod, the upper part of the threaded connecting rod is connected with the first metal shaft sliding frame through a knurled nut, the output end of the second SDA cylinder is connected with the threaded connecting rod, and the upper part of the threaded connecting rod is connected with the second metal shaft sliding frame through a knurled nut;
the first metal shaft sliding frame is connected with the wax rod holder base and the locking block, a space for holding the wax rod is formed between the wax rod holder base and the locking block, triangular tooth-shaped threaded holes are formed in the wax rod holder base and the locking block, the wax rod is locked through a group of bolts and hand-screwed nuts, and the solid wax rod is used as a coating material;
the second metal shaft sliding frame is connected with a vertical connecting plate, the vertical connecting plate is connected with a wax scraping plate through a bolt, the inclination angle of the cutting edge of the wax scraping plate and the vertical direction is 10-20 degrees, and the cutting edge of the wax scraping plate is ground to be round and polished.
2. A wax screen printing machine according to claim 1, wherein the horizontal moving mechanism comprises a transverse fixing plate and a rodless cylinder, the transverse fixing plate is fixedly mounted on the vertical frame, two ends of the rodless cylinder are connected with the transverse fixing plate, the rodless cylinder is provided with a second position sensor, and the vertical moving mechanism is connected with a connecting piece of the rodless cylinder through a pin.
3. A wax screen printing machine according to claim 2, wherein the horizontal moving mechanism further comprises a third optical axis guide rail and a fourth optical axis guide rail, both ends of the third optical axis guide rail and the fourth optical axis guide rail are connected with the transverse fixing plate, and the vertical moving mechanism is connected with the slider of the third optical axis guide rail and the fourth optical axis guide rail.
4. A wax screen printing machine according to claim 1, wherein four corners of the bottom of the frame are connected with universal anchor feet through screw threads.
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| CN202011064986.0A CN112192941B (en) | 2020-09-30 | 2020-09-30 | Wax screen printing machine |
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| CN202011064986.0A CN112192941B (en) | 2020-09-30 | 2020-09-30 | Wax screen printing machine |
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| CN112192941B true CN112192941B (en) | 2021-10-08 |
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| CN114132053B (en) * | 2021-10-29 | 2022-11-15 | 智慧星空(上海)工程技术有限公司 | Screen printing device for viscosity rapid-change glue |
| CN114368216B (en) * | 2021-11-30 | 2023-12-29 | 武汉艾特纸塑包装有限公司 | Electrode screen printing preparation device for manufacturing potential type ammonia sensor |
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| CN101293420A (en) * | 2008-05-29 | 2008-10-29 | 王兴章 | Printing ink scraping apparatus in screen printer with automatic dish |
| CN104226389A (en) * | 2014-09-22 | 2014-12-24 | 华南师范大学 | Wax screen printing processing method for cloth-based microfluidic analytical chip |
| CN104875514A (en) * | 2015-06-04 | 2015-09-02 | 深圳市登峰网印设备有限公司 | Screen printer and screen printing method thereof |
| CN105034554A (en) * | 2015-07-29 | 2015-11-11 | 东莞市恒锦印刷机械有限公司 | Silkscreen machine with automatic positioning function |
| CN204894751U (en) * | 2015-08-06 | 2015-12-23 | 东莞市凯格精密机械有限公司 | Screen frame adjusting device |
| CN106671579A (en) * | 2017-01-16 | 2017-05-17 | 深圳市天慧谷科技股份公司 | Full-automatic high-precision double-printing-platform screen printing machine |
| CN110077095A (en) * | 2019-05-22 | 2019-08-02 | 深圳市嘉力强电子设备有限公司 | A kind of automatic screen-printing machine |
| CN111169151A (en) * | 2020-02-13 | 2020-05-19 | 欧朗电子科技有限公司 | Red-ink printing jig for low-power-consumption power module production process |
| CN111660658A (en) * | 2020-07-08 | 2020-09-15 | 深圳聚德寿科技有限公司 | Multifunctional low-printing-pressure precise screen printing device and working method |
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