CN110053350B - Screen printing machine and prevent static mechanism thereof - Google Patents
Screen printing machine and prevent static mechanism thereof Download PDFInfo
- Publication number
- CN110053350B CN110053350B CN201810055420.8A CN201810055420A CN110053350B CN 110053350 B CN110053350 B CN 110053350B CN 201810055420 A CN201810055420 A CN 201810055420A CN 110053350 B CN110053350 B CN 110053350B
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- China
- Prior art keywords
- elastic contact
- shaft lever
- printing machine
- screen printing
- frame
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/02—Arrangements of indicating devices, e.g. counters
- B41F33/025—Counters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a screen printing machine and an anti-static mechanism thereof, which solve the problems that the normal inking is influenced and the plate blocking fault is generated due to the electrification of a screen; the anti-static mechanism comprises a frame and a conductive wire screen plate which can be pressed above the frame, wherein the edge of the conductive wire screen plate is provided with a conductive bar; the frame is provided with a grounding assembly which is provided with an elastic contact element; when the conductive silk screen plate is pressed down, the bar and the elastic contact part are mutually abutted, so that the situation that the silk screen is electrified is reduced.
Description
Technical Field
The invention relates to the field of printing equipment, in particular to a screen printing machine.
Background
Screen printing belongs to stencil printing.
In the screen during printing, the rubber portion and the screen are charged by the pressing and scraping of the squeegee rubber. The screen mesh is electrified, so that normal inking is influenced, and a plate blocking fault is generated; the printing stock can be sucked by the silk screen at the moment of output.
Disclosure of Invention
A first object of the present invention is to provide an antistatic mechanism for a screen printing machine, which reduces the occurrence of electrification of a screen itself.
The technical purpose of the invention is realized by the following technical scheme:
an antistatic mechanism for a screen printing machine comprises a frame and a conductive screen plate which can be pressed above the frame, wherein the edge of the conductive screen plate is provided with a conductive bar;
the frame is provided with a grounding assembly which is provided with an elastic contact element;
when the conductive silk screen plate is pressed down, the bar and the elastic contact part are mutually butted.
By adopting the technical scheme, the conductive wire mesh plate can be a mesh plate made of conductive wires such as copper wires or steel wires and has good conductivity; and the bar is used as the frame of the conductive wire mesh plate and used for lifting the conductive wire mesh plate to move up and down.
The bar is pressed down and then is contacted with the elastic contact part, the pressing elastic contact part deforms downwards, and at the moment, current on the conductive wire screen plate is guided to the ground through the elastic contact part and the grounding assembly, so that static electricity prevention is achieved.
Preferably, the spring contact is a copper sheet.
By adopting the technical scheme, the copper sheet has good conductivity and deformation capability and is a good material used as the elastic contact piece.
Preferably, the frame is provided with a vertical cutting hole, and when the conductive silk screen plate is pressed downwards, the elastic contact piece is arranged in the cutting hole downwards.
Through adopting above-mentioned technical scheme, the cut hole surrounds the elastic contact spare, prevents that the side of elastic contact spare from receiving the collision to take place non-vertical deformation. The elastic deformation direction of the elastic contact part is vertical, and if the deformation amount generated by lateral transverse stress is larger, the vertical deformation effect of the elastic contact part can be reduced, so that the occurrence of the bad condition is effectively improved by cutting the hole.
Preferably, the elastic contact piece is bent to form a smooth arc-shaped surface, the arc-shaped surface faces the bar, and two deformation ends formed at the bent part of the elastic contact piece are arranged in the cut hole.
By adopting the technical scheme, the arc-shaped surface of the elastic contact part is exposed outside the cut hole, and the arc-shaped surface is an extruded surface; because the arc-shaped surface is smooth, no more burs are arranged outside the cutting hole; because the arc surface is smooth, the arc surface is exposed outside and is not easy to scratch workers.
Preferably, the ground assembly includes a ground line connected to the spring contact.
By adopting the technical scheme, the current on the conductive wire mesh plate can be led into the ground through the grounding wire, so that the aim of quickly eliminating static electricity is fulfilled.
The preferred, the ground connection subassembly is including the axostylus axostyle that is used for fixed earth connection and elastic contact, and two slides have been seted up from top to bottom to the inner wall of cutting the hole, the lower extreme shutoff of slide, the different slides of axostylus axostyle both ends slip into respectively to the outer wall of axostylus axostyle is laminated with the inner wall of restriction axostylus axostyle around self axis rotation.
Through adopting above-mentioned technical scheme, the axostylus axostyle slides in the slide from top to bottom, is convenient for install and take out the axostylus axostyle in the cutting hole, and the removal of axostylus axostyle will drive the removal of earth connection and elastic contact spare in the lump, and its aim at, convenient take out the cutting hole with the axostylus axostyle for swift change elastic contact spare or earth connection of damage.
The shaft is limited to rotate, and the aim of the shaft is to prevent the elastic contact from moving downwards due to the self-generated rotation of the shaft; the shaft rod after the rotation is limited can be always kept at the position to be extruded, so that the current on the silk screen can be smoothly guided into the ground.
Preferably, the slideway is provided with at least two cross ways along the height direction thereof, and the end part of the shaft lever can transversely slide into the cross ways;
the end part of the shaft lever is square, and the cross track is attached to the upper and lower flat surfaces at the square part of the end part of the shaft lever;
the slide is inserted with a vertical rod, and the vertical rod blocks the entrance of the cross road to limit the shaft lever from slipping off the cross road.
By adopting the technical scheme, the arrangement of the cross channel ensures that the shaft rod is provided with a plurality of installation stations in the vertical direction; the elastic contact piece can be placed at a higher position when the elastic contact piece is shorter, so that the sufficient exposure amount of the elastic contact piece in the cut is ensured; when the elastic contact piece is longer, the elastic contact piece can be arranged at a lower position, and the proper exposure of the elastic contact piece in the cut can be ensured.
Preferably, one deformation end of the elastic contact piece is sequentially provided with an insulating piece and a conducting piece, and the lower end of the conducting piece is provided with a counter;
when the elastic contact part is pressed down, the conducting strip triggers the counter to count.
By adopting the technical scheme, when the elastic contact piece drives the conducting strip to be pressed down, the signal of the counter is conducted, the counter realizes counting, and the mechanical motion of the elastic contact piece is utilized to drive the triggering of the counter on the basis of leading out the static current; the insulating piece aim at effectively avoids the current influence each other between elastic contact spare and the conducting strip.
Preferably, the insulating sheet and the conducting sheet are fixed by hot melting, and the insulating sheet and the elastic contact piece are locked by a screw.
Through adopting above-mentioned technical scheme, the mode that the screw inserted and closes is favorable to installation and demolishs between insulating piece and the elastic contact spare, when one of them takes place to damage, change conducting strip and elastic contact spare that can be convenient.
A second object of the present invention is to provide a screen printer which reduces the occurrence of electrification of the screen itself.
The screen printing machine comprises an anti-static mechanism, wherein a conveyor belt, a vertical driving assembly and a scraper are arranged on a rack, the conveyor belt is positioned below a conductive screen plate, and a vertical driving mechanism drives a bar to move up and down.
Through adopting above-mentioned technical scheme, utilize this antistatic mechanism, can effectively avoid the printing ink on the screen printing machine to take place to block up because of static.
In conclusion, the invention has the following beneficial effects: the position height of the counter in the cut hole installation can be through adjusting the high position of axostylus axostyle on different cross tracks by the difference for the conducting strip can be accurate trigger the counter.
Drawings
FIG. 1 is a schematic structural view of an antistatic mechanism according to embodiment 1;
FIG. 2 is a schematic view showing a cross bar in example 1 after longitudinally cutting holes;
FIG. 3 is a schematic view showing the positional relationship between the elastic contact and the counter in embodiment 1;
fig. 4 is a schematic configuration diagram of the screen printer in embodiment 2.
In the figure:
1. a frame; 11. a cross bar; 21. a conductive wire mesh plate; 22. a bar;
3. a ground component; 31. a ground line; 32. a shaft lever; 321. leveling the surface;
4. a spring contact; 41. an arc-shaped surface;
5. cutting holes;
61. a slideway; 62. a crosswalk; 63. a vertical rod;
71. an insulating sheet; 72. a conductive sheet; 73. A screw; 74. a counter;
81. a conveyor belt; 82. a vertical drive assembly; 83. and (4) scraping the blade.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In embodiment 1, an anti-static mechanism, as shown in fig. 1, includes a frame 1, the upper surface of the frame 1 is flat, the frame 1 has two cross bars 11, two vertical driving assemblies 82 are fixed on the cross bars 11, the vertical driving assemblies 82 are provided with driving bars 22 to move up and down, and conductive wire mesh plates 21 are fixed on the left and right bars 22; the conductive wire mesh sheet 21 is made of stainless steel wires and the bars 22 are also made of stainless steel, both of which are conductive to each other.
The vertical driving assembly 82 is a vertical cylinder, and a piston rod of the vertical cylinder is fixed with the bar 22, so that the bar 22 and the conductive wire mesh plate 21 can be stably controlled to move up and down by synchronously controlling the two vertical cylinders.
During printing, a bearing object is flatly spread on the upper surface of the frame 1, the conductive wire mesh plate 21 above the bearing object is driven by the vertical driving mechanism to press the bearing object, and then the conductive wire mesh plate 21 is used for discharging and coating.
The cross bar 11 on the frame 1 is provided with a grounding component 3, and the bar 22 after being pressed down is communicated with the grounding component 3 to lead out the current on the conductive wire mesh plate 21.
As shown in fig. 2 and 3, the cross bar 11 is provided with vertical cutting holes 5, and the cutting holes 5 are square holes; the recessed spring contact 4 is placed in the cutout hole 5, and the spring contact 4 is made of a copper sheet. The part of the elastic contact 4, which is provided with the cut hole 5, is a convex arc-shaped surface 41, the arc-shaped surface 41 is arranged right below the bar 22, when the bar 22 is pressed downwards, the arc-shaped surface 41 is abutted against the bar 22, and the bar 22 presses the arc-shaped surface 41 into the cut hole;
the elastic contact 4 has a left deformation end and a right deformation end, the right deformation end is fixed with a shaft 32, the shaft 32 is wound with a grounding wire 31, and the lower end of the grounding wire 31 is grounded.
The shaft rod 32 is a square rod, two opposite inner walls of the cut hole 5 are provided with vertical slideways 61, the upper openings of the slideways 61 are punched through the cross rod 11, and the lower ends of the slideways 61 are blocked; the two ends of the shaft 32 slide into the two slide ways 61 respectively, and due to the limitation of the tracks of the slide ways 61, the shaft 32 can only move the bottoms of the slide ways 61 along the directions of the slide ways 61. Because the cross section of the slide way 61 is square, and the shaft lever 32 is also a square lever, the outer wall of the shaft lever 32 is provided with four flat surfaces 321, wherein two flat surfaces 321 are attached to the inner wall of the slide way 61, so that the shaft lever 32 is difficult to rotate in the slide way 61, the design is favorable for reducing the occurrence of the situation that the elastic contact part 4 moves down due to the rotation of the old shaft lever 32, and the elastic contact part 4 can be stably arranged at a station to be extruded.
In the horizontal direction, three cross ways 62 are provided, which are in communication with the slide way 61. The three rails 62 are arranged downward in the height direction in this order. The axle 32 can slide along the slide 61 into the cross-way 62, and the axle 32 will not rotate within the cross-way 62 because the outer wall of the axle 32 and the inner wall of the cross-way 62 can also be attached to each other.
The cross-track 62 is provided so that the shaft 32 can have four vertical stations for fixing in the cut hole 5, which is beneficial to adjusting the height position of the shaft 32 in the cut hole 5.
One end of the shaft lever 32 extends out of a side slideway 61, so that a worker can conveniently hold the shaft lever 32 and adjust the height of the shaft lever 32; the vertical rod 63 is inserted into the slide way 61 on the other side, and the purpose of inserting the vertical rod 63 into the slide way 61 is to make the shaft rod 32 difficult to slide out of the cross way 62, so that the shaft rod 32 can be stably installed on the cross way 62.
The left end of the shaft 32 is fixed with an insulation sheet 71 made of hard plastic through a screw 73, a conductive sheet 72 is thermally fused on the insulation sheet 71, and the conductive sheet 72 is made of copper. A counter 74 is installed in the cut hole 5, the counter 74 is provided with two contacts, and when the conducting strips 72 are pressed down, the two conducting strips 72 are communicated with the two contacts, so that the counter 74 can count; the effect is that when the elastic contact 4 is pressed and deformed, the conductive plate 72 is pressed and conducted to the ground line 31.
The working principle is as follows: when printing articles, the conductive wire mesh plate 21 is pressed down to enable the bar 22 to be communicated with the conductive wire, and the metal conductive wire mesh plate 21 is adopted to lead the current on the conductive wire mesh plate 21 to the grounding wire 31, so that the current is led out, and the purpose of preventing static electricity of the conductive wire mesh plate 21 is achieved.
Example 2, a screen printing machine, as shown in fig. 4, includes the anti-static mechanism described in example 1, a conveyor belt 81 is installed on a frame 1, the conveyor belt 81 is disposed between an upper surface of the frame 1 and a conductive screen plate 21, a receiving object is conveyed below the conductive screen plate 21 by the conveyor belt, then the conductive screen presses the receiving object, and then a scraper 83 scrapes materials on an upper surface of the conductive screen plate 21 on the frame 1.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. An antistatic mechanism for a screen printing machine is characterized in that: comprises a frame (1) and a conductive wire mesh plate (21) which can be pressed on the frame (1), wherein the edge of the conductive wire mesh plate (21) is provided with a conductive bar (22);
the frame (1) is provided with a grounding component (3), and the grounding component (3) is provided with an elastic contact piece (4);
when the conductive wire mesh plate (21) is pressed down, the bar (22) and the elastic contact element (4) are mutually abutted;
the grounding component (3) comprises a grounding wire (31), and the grounding wire (31) is connected with the elastic contact piece (4);
the grounding assembly (3) comprises a shaft lever (32) used for fixing the grounding wire (31) and the elastic contact piece (4), two slide ways (61) are arranged on the inner wall of the cut hole (5) from top to bottom, the lower ends of the slide ways (61) are blocked, two ends of the shaft lever (32) respectively slide into different slide ways (61), and the outer wall of the shaft lever (32) is mutually attached to the inner wall of each slide way (61) so as to limit the shaft lever (32) to rotate around the axis of the shaft lever;
the slideway (61) is provided with at least two cross channels (62) along the height direction, and the end part of the shaft lever (32) can slide into the cross channels (62) transversely;
the end part of the shaft lever (32) is square, and the cross road (62) is jointed with an upper flat surface and a lower flat surface (321) at the square part of the end part of the shaft lever (32);
a vertical rod (63) is inserted into the slide way (61), and the vertical rod (63) blocks the inlet of the cross way (62) to limit the shaft lever (32) from slipping off the cross way (62);
an insulating sheet (71) and a conducting sheet (72) are sequentially arranged at one deformation end of the elastic contact piece (4), and a counter (74) is arranged at the lower end of the conducting sheet (72);
when the elastic contact piece (4) is pressed down, the conducting strip (72) triggers the counter (74) to count.
2. The anti-static mechanism for a screen printing machine according to claim 1, wherein: the spring contact (4) is a copper sheet.
3. The anti-static mechanism for a screen printing machine according to claim 1, wherein: the frame (1) is provided with a vertical cutting hole (5), and when the conductive wire mesh plate (21) is pressed down, the elastic contact piece (4) is arranged in the cutting hole (5) downwards.
4. The anti-static mechanism for a screen printing machine according to claim 3, wherein: elastic contact spare (4) are through bending type smooth arcwall face (41), and arcwall face (41) are towards bar (22), and two deformation ends that elastic contact spare (4) bending type department formed all arrange in cutting hole (5).
5. The anti-static mechanism for a screen printing machine according to claim 1, wherein: the insulating sheet (71) and the conductive sheet (72) are fixed by heat fusion, and the insulating sheet (71) and the elastic contact piece (4) are locked by a screw (73).
6. Screen printing machine, characterized by: the anti-static mechanism comprises the anti-static mechanism as claimed in claim 1, wherein a conveyor belt (81), a vertical driving assembly (82) and a scraper (83) are arranged on the frame (1), the conveyor belt (81) is positioned below the conductive wire mesh plate (21), and the vertical driving mechanism (9) drives the bar (22) to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055420.8A CN110053350B (en) | 2018-01-19 | 2018-01-19 | Screen printing machine and prevent static mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810055420.8A CN110053350B (en) | 2018-01-19 | 2018-01-19 | Screen printing machine and prevent static mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110053350A CN110053350A (en) | 2019-07-26 |
| CN110053350B true CN110053350B (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810055420.8A Active CN110053350B (en) | 2018-01-19 | 2018-01-19 | Screen printing machine and prevent static mechanism thereof |
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| Country | Link |
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| CN (1) | CN110053350B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323402A (en) * | 1996-06-06 | 1997-12-16 | Matsushita Electric Ind Co Ltd | Screen printing apparatus for cream solder |
| CN103158349A (en) * | 2011-12-11 | 2013-06-19 | 飞秒光电科技(西安)有限公司 | Semi-automatic control system of flux cream printing press |
| CN104268622A (en) * | 2014-08-31 | 2015-01-07 | 青岛田瑞牧业科技有限公司 | Chicken elimination cage-out counting device with adjustable height |
| CN105358323A (en) * | 2013-07-11 | 2016-02-24 | 富士机械制造株式会社 | Resin molded article provided with surface having exceptional water-sheeting properties |
| CN206856231U (en) * | 2017-06-27 | 2018-01-09 | 赣州彩盛印刷有限公司 | A kind of screen process press based on pollution-free energy-saving environmental protection |
-
2018
- 2018-01-19 CN CN201810055420.8A patent/CN110053350B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09323402A (en) * | 1996-06-06 | 1997-12-16 | Matsushita Electric Ind Co Ltd | Screen printing apparatus for cream solder |
| CN103158349A (en) * | 2011-12-11 | 2013-06-19 | 飞秒光电科技(西安)有限公司 | Semi-automatic control system of flux cream printing press |
| CN105358323A (en) * | 2013-07-11 | 2016-02-24 | 富士机械制造株式会社 | Resin molded article provided with surface having exceptional water-sheeting properties |
| CN104268622A (en) * | 2014-08-31 | 2015-01-07 | 青岛田瑞牧业科技有限公司 | Chicken elimination cage-out counting device with adjustable height |
| CN206856231U (en) * | 2017-06-27 | 2018-01-09 | 赣州彩盛印刷有限公司 | A kind of screen process press based on pollution-free energy-saving environmental protection |
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| Publication number | Publication date |
|---|---|
| CN110053350A (en) | 2019-07-26 |
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Effective date of registration: 20230824 Address after: 424200 Building 4, Phase II Standard Factory Building, Yizhang Economic Development Zone Innovation and Entrepreneurship Park, Yuxi Town, Yizhang County, Chenzhou City, Hunan Province Patentee after: Hunan Jingyao Display Technology Co.,Ltd. Address before: 518107, 1st Floor, Building 6, Rongtaijia Industrial Park, Li Songlang Community, Gongming Street, Guangming New District, Shenzhen, Guangdong Province Patentee before: SHENZHEN YANGGUANG CRYSTAL GLASS TECHNOLOGY CO.,LTD. |