CN110039889B - Solder paste printing table capable of rapidly identifying and accurately positioning - Google Patents
Solder paste printing table capable of rapidly identifying and accurately positioning Download PDFInfo
- Publication number
- CN110039889B CN110039889B CN201910434677.9A CN201910434677A CN110039889B CN 110039889 B CN110039889 B CN 110039889B CN 201910434677 A CN201910434677 A CN 201910434677A CN 110039889 B CN110039889 B CN 110039889B
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- adjusting
- printing
- steel mesh
- screw rod
- lower plate
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Classifications
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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
- B41F15/16—Printing tables
Abstract
The invention discloses a quick-identification and accurate-positioning solder paste printing table, which comprises a printing base, a supporting frame, a stepping motor, a first screw rod, a sliding sleeve frame, an adjusting upper plate, a steel mesh clamping mechanism and a printing lower plate, wherein the supporting frame is vertically connected to a plane where the printing base is located, a motor fixing buckle is arranged on the side wall of the supporting frame, the stepping motor is fixedly buckled on the motor fixing buckle, the first screw rod is connected to the right lower end of the stepping motor, the sliding sleeve frame is sleeved on the surface of the first screw rod and can move up and down along the first screw rod, the adjusting upper plate is fixedly connected to the side edge of the sliding sleeve frame, the steel mesh clamping mechanism is arranged on the lower surface of the adjusting upper plate, and the printing lower plate is arranged under the steel mesh clamping mechanism and is fixedly connected with the printing base.
Description
Technical Field
The invention relates to the technical field of solder paste printing equipment, in particular to a solder paste printing table capable of rapidly identifying and accurately positioning.
Background
Solder paste is also called solder paste, and is called a holder paste. Solder paste is a novel solder material which is generated along with SMT, and is a paste mixture formed by mixing soldering powder, soldering flux, other surfactants, thixotropic agents and the like. The solder is mainly used for soldering electronic components such as PCB surface resistance, capacitance, IC and the like in SMT industry.
SMT is also known as surface mounting technology, which is a technology of printing and coating solder paste on a printed circuit board bonding pad, accurately mounting a surface mounted component on the bonding pad coated with the solder paste, heating the circuit board according to a specific reflow temperature curve, melting the solder paste, cooling and solidifying alloy components, and forming welding spots between the component and the printed circuit board to realize metallurgical connection.
Solder paste is a complex system, which is a paste mixed from solder powder, flux and other additives. The solder paste has certain viscosity at normal temperature, can be used for initially adhering the electronic components at a given position, and is used for welding the components to be welded with the printed circuit pads together to form permanent connection along with the volatilization of the solvent and part of the additives at the welding temperature.
The existing solder paste printing tables are divided into two main types, namely a plane printing type positioning table and a positioning table with hole type fixing. The planar printing table is a common laboratory device, but the conventional planar printing table is difficult to operate, low in efficiency and capable of wasting a lot of time and energy for people in the step of fixing the positions of the steel mesh and the PCB element patch.
The invention relates to a full-automatic lifting and closing device for a steel screen frame of a solder paste printing table, which has the application number of 201521054034.5.
The automatic steel mesh positioning device is high in automation degree and efficiency, workload of staff is effectively reduced, and however, accurate and rapid positioning of the steel mesh cannot be guaranteed.
Disclosure of Invention
In order to solve the problems, the invention provides a solder paste printing table capable of ensuring accurate and rapid positioning of a steel mesh.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the invention relates to a solder paste printing table capable of rapidly identifying and accurately positioning, which comprises a printing base, a supporting frame, a stepping motor, a first screw rod, a sliding sleeve frame, an adjusting upper plate, a steel mesh clamping mechanism and a printing lower plate, wherein the supporting frame is arranged on the printing base;
the support frame is vertically arranged on the upper surface of the printing base, the upper end of the right side wall of the support frame is provided with a motor fixing buckle, the stepping motor is fixed through the motor fixing buckle and drives the first screw rod, the sliding sleeve frame is sleeved on the surface of the first screw rod and can move up and down along the first screw rod, the adjusting upper plate is fixedly connected on the right side of the sliding sleeve frame, the steel mesh clamping mechanism is arranged on the lower surface of the adjusting upper plate, and the printing lower plate is arranged on the printing base right below the steel mesh clamping mechanism;
the adjusting upper plate comprises an upper plate body, two parallel sliding rails are arranged in the front-back direction of the upper plate body, a second screw rod parallel to the two parallel sliding rails is arranged between the two parallel sliding rails, the other end of the second screw rod is connected with a rotating disc, a translation sleeve block is slidably connected onto the second screw rod, an adjusting connecting seat sliding along the two parallel sliding rails is arranged on the translation sleeve block, and the adjusting connecting seat is fixedly connected onto the upper end of the steel mesh clamping mechanism;
the steel mesh clamping mechanism comprises an upper cover body which is mutually connected with the adjusting connecting seat, a plurality of tightly arranged laser lamps are uniformly arranged on the inner wall of the upper end of the upper cover body, two rotating screw rods are symmetrically arranged on the left side and the right side of the upper cover body, steel mesh clamping heads are arranged at the end parts of the two rotating screw rods which are positioned on the inner side of the upper cover body, and rotating heads are arranged at the other ends of the two rotating screw rods which are positioned on the outer side of the upper cover body;
the printing lower plate is including installing the lower plate body on the printing base, be provided with on the lateral wall before the lower plate body and adjust the transverse groove, be provided with two mutually parallel panels on the lower plate body bottom inner wall, but the upper end sliding connection of panel has fixed block to remove the riser, all be provided with the PCB fixed block at the upper end of every fixed block removal riser, be provided with the face on the upper surface that supplies two fixed blocks to remove the riser to remove the adjustment groove, all be provided with at the side of every fixed block removal riser and adjust the horizontal pole, it passes the outside that adjusts the transverse groove and extends to the leading flank of printing lower plate to horizontal free slip in adjusting the transverse groove, the one end that extends to the printing lower plate outside at the adjustment horizontal pole is provided with the regulation handle.
The invention further improves that: the surface of the rotating disk is provided with frosting or friction lines.
The invention further improves that: the contact part of the adjusting cross rod and the adjusting cross groove is provided with an anti-shake sliding sheet.
The invention further improves that: the steel mesh clamping head comprises a clamping head body, wherein a flat clamping groove is formed in the clamping head body, and two compression screws are symmetrically arranged at the upper end and the lower end of the clamping groove.
The invention further improves that: the steel mesh clamping head comprises a clamping head body, wherein a flat clamping groove is formed in the clamping head body, and two compression screws are symmetrically arranged at the upper end and the lower end of the clamping groove.
The invention further improves that: the end part of the compression screw positioned in the clamping groove is provided with a flat pressing sheet.
The beneficial effects of the invention are as follows: the PCB board is placed at the printing hypoplastron upper surface to fix through two PCB fixed blocks, can adjust the position of PCB board through adjusting the position of two PCB fixed blocks, through adjusting upper plate and steel mesh fixture centre gripping and adjusting the front and back position of steel mesh, step motor drive first lead screw, the slip cap frame on the first lead screw carries out accurate combination with steel mesh and the PCB board of waiting to print fast, effectively solves current planar printing platform and aligns the steel mesh with PCB board component paster position and fix this step on, the operation degree of difficulty is big, and is inefficiency, extravagant people's a large amount of time and energy's problem.
The invention has simple structure and reasonable design, can accurately position the PCB, and is convenient for the rapid combination of the steel mesh and the PCB.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a block diagram of a regulated top panel according to the present invention;
FIG. 3 is a schematic view of the steel mesh clamping mechanism of the present invention;
FIG. 4 is an enlarged schematic view of the steel mesh clamping head of the present invention;
FIG. 5 is a schematic perspective view of a lower printing plate according to the present invention;
fig. 6 is a schematic view of the structure of the inner part of the lower plate body of the present invention.
Wherein: the printing device comprises a printing base, a 2-supporting frame, a 201-motor fixing buckle, a 3-stepping motor, a 4-first screw rod, a 5-sliding sleeve frame, a 6-adjusting upper plate and a 601-upper plate body, wherein the printing base is fixedly arranged on the printing base; 602-parallel sliding rails; 603-a second screw rod, 604-a translation sleeve block, 605-a rotary disk, 606-an adjusting connecting seat, 7-a steel mesh clamping mechanism, 701-an upper cover body, 702-a laser lamp, 703-a rotary screw rod, 704-a steel mesh clamping head, 7041-a clamping head body, 7042-a compression screw, 7043-a pressing sheet, 7044-a clamping groove, 705-a rotary head, 8-a printing lower plate, 801-a lower plate body, 802-an adjusting transverse groove, 803-a PCB fixing block, 804-an adjusting handle, 805-an anti-shake sliding sheet, 806-an on-plane adjusting groove, 807-a panel, 808-a fixing block moving riser, 809-an adjusting transverse rod and 810-a riser caulking groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, the invention relates to a solder paste printing table capable of rapidly identifying and accurately positioning, which comprises a printing base 1, a supporting frame 2, a stepping motor 3, a first screw rod 4, a sliding sleeve frame 5, an adjusting upper plate 6, a steel mesh clamping mechanism 7 and a printing lower plate 8;
the support frame 2 is vertically arranged on the upper surface of the printing base 1, a motor fixing buckle 201 is arranged at the upper end of the right side wall of the support frame 2, the stepping motor 3 is fixed through the motor fixing buckle 201, the stepping motor 3 drives the first screw rod 4, the sliding sleeve frame 5 is sleeved on the surface of the first screw rod 4 and can move up and down along the first screw rod 4, the adjusting upper plate 6 is fixedly connected to the right side of the sliding sleeve frame, the steel mesh clamping mechanism 7 is arranged on the lower surface of the adjusting upper plate 6, and the printing lower plate 8 is arranged on the printing base 1 right below the steel mesh clamping mechanism 7;
the adjusting upper plate 6 comprises an upper plate body 601, two parallel sliding rails 602 are arranged in the front-back direction of the upper plate body 601, a second screw rod 603 parallel to the two parallel sliding rails 602 is arranged between the two parallel sliding rails 602, the other end of the second screw rod 603 is connected with a rotating disc 605, the surface of the rotating disc 605 is provided with a frosted surface or friction lines, friction between hands and the rotating disc 605 is increased, the operation is convenient, a translation sleeve block 604 is slidably connected to the second screw rod 603, an adjusting connecting seat 606 sliding along the two parallel sliding rails 602 is arranged on the translation sleeve block 604, the upper end of a steel mesh clamping mechanism 7 is fixedly connected to the adjusting connecting seat 606, and the surface of the adjusting connecting seat 606 can be kept horizontal when the adjusting connecting seat 606 moves front and back.
The steel mesh clamping mechanism 7 comprises an upper cover body 701 which is mutually connected with an adjusting connecting seat 606, a plurality of tightly arranged laser lamps 702 are uniformly arranged on the inner wall of the upper end of the upper cover body 701, two rotating screw rods 703 are symmetrically arranged at the left side and the right side of the upper cover body 701, steel mesh clamping heads 704 are arranged at the end parts of the two rotating screw rods 703 positioned at the inner side of the upper cover body 701, a rotating head 705 is arranged at the other end of the two rotating screw rods 703 positioned at the outer side of the upper cover body 701, wherein the steel mesh clamping heads 704 comprise a clamping head body 7041, flat clamping grooves 7044 are arranged on the clamping head body 7041, two compression screws 7042 are symmetrically arranged at the upper end and the lower end of the clamping grooves 7044, flat pressing plates 7043 are arranged at the end parts of the compression screws 7042 positioned in the clamping grooves 7044 and are in contact with the steel mesh, so that the steel mesh is prevented from being damaged in the clamping process, the clamped steel mesh can be effectively protected,
when the steel mesh clamping mechanism 7 is used for fixing a steel mesh, firstly, the edge of one side of the steel mesh is fixed by using two pressing sheets 7043 on one end of the steel mesh clamping head 704, then, the distance between the two steel mesh clamping heads 704 is adjusted by rotating screws 703 at two ends, the edge of the other side of the steel mesh is placed in a clamping groove of the other steel mesh clamping head 704 in the adjusting process, and after the adjustment, the pressing sheets are pressed against the other side of the steel mesh by screwing a pressing screw 7042, so that the purpose of clamping is achieved.
The lower printing plate 8 comprises a lower plate body 801 mounted on the printing base 1, an adjusting transverse groove 802 is formed in the front side wall of the lower plate body 801, two mutually parallel panels 807 are arranged on the inner wall of the bottom of the lower plate body 801, fixed block moving vertical plates 808 are slidably connected to the upper ends of the panels 807, PCB fixed blocks 803 are arranged at the upper ends of each fixed block moving vertical plate 808, an on-plane adjusting groove 806 for moving the two fixed block moving vertical plates 808 is formed in the upper surface of the lower plate body 801, an adjusting cross rod 809 is arranged at the side end of each fixed block moving vertical plate 808, the adjusting cross rod 809 extends to the outer side of the front side surface of the lower printing plate 8 through the adjusting transverse groove 802 and freely slides in the adjusting transverse groove 802, and an adjusting handle 804 is arranged at one end of the adjusting cross rod 809 extending to the outer side of the lower printing plate 8. The anti-shake slip sheet 805 can effectively keep the stability of the adjusting handle 804 in the adjusting transverse groove 802, the clamping effect of the PCB is prevented from being influenced by shake, the anti-shake slip sheet 805 is arranged at the contact position of the adjusting transverse rod 809 and the adjusting transverse groove 802, the lower plate body 801 is arranged in a cavity, the panel 807 on the inner bottom plate of the lower plate body 801 can bear the sliding of the vertical plate caulking groove 810, and the fixing block moves the vertical plate 808 to clamp the PCB with the PCB fixing block 803. The adjusting handle 804 is matched with the adjusting cross rod 809 and the adjusting cross groove 802 to realize the movement and adjustment of the PCB fixing block 803, thereby achieving the purposes of aligning the steel mesh and positioning the PCB.
The working process and principle of the invention are as follows: firstly, clamping a steel mesh on a steel mesh clamping machine 7, adjusting the steel mesh clamping machine 7 to a proper position by utilizing an adjusting upper plate 6, secondly, turning on a laser lamp 702 arranged on the steel mesh clamping machine 7, irradiating the upper surface of a printing lower plate 8 with light of the laser lamp 702 through holes of the steel mesh, then taking out a PCB to be printed, placing the PCB along the falling light, and fixing the PCB to be printed by utilizing a PCB fixing block 803 on the printing lower plate 8 after alignment; after the fixing, the sliding sleeve frame 5 is downwards adjusted through the matching of the stepping motor 3 and the first screw rod 4, and then the steel mesh on the steel mesh clamping mechanism 7 is pressed to the fixed PCB to be printed for pressing. And after the pressing, taking down the steel mesh clamping mechanism 7, applying solder paste, and then heating and printing.
The invention has simple structure and reasonable design, can accurately position the PCB, and is convenient for the rapid combination of the steel mesh and the PCB.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. Quick discernment accurate positioning's tin cream printing table, its characterized in that: the device comprises a printing base (1), a supporting frame (2), a stepping motor (3), a first screw rod (4), a sliding sleeve frame (5), an adjusting upper plate (6), a steel mesh clamping mechanism (7) and a printing lower plate (8);
the printing device comprises a printing base (1), a support frame (2), a steel mesh clamping mechanism (7), a motor fixing buckle (201) and a stepping motor (3), wherein the support frame (2) is vertically arranged on the upper surface of the printing base (1), the motor fixing buckle (201) is arranged at the upper end of the right side wall of the support frame (2), the stepping motor (3) is fixed through the motor fixing buckle (201), the stepping motor (3) drives a first screw rod (4), a sliding sleeve frame (5) is sleeved on the surface of the first screw rod (4) and can move up and down along the first screw rod (4), an adjusting upper plate (6) is fixedly connected to the right side of the sliding sleeve frame, the steel mesh clamping mechanism (7) is arranged on the lower surface of the adjusting upper plate (6), and a printing lower plate (8) is arranged on the printing base (1) right below the steel mesh clamping mechanism (7).
The adjusting upper plate (6) comprises an upper plate body (601), two parallel sliding rails (602) are arranged in the front-back direction of the upper plate body (601), a second screw rod (603) parallel to the two parallel sliding rails (602) is arranged between the two parallel sliding rails (602), the other end of the second screw rod (603) is connected with a rotating disc (605), a translation sleeve block (604) is slidably connected onto the second screw rod (603), an adjusting connecting seat (606) sliding along the two parallel sliding rails (602) is arranged on the translation sleeve block (604), and the upper end of the steel mesh clamping mechanism (7) is fixedly connected onto the adjusting connecting seat (606);
the steel mesh clamping mechanism (7) comprises an upper cover body (701) which is mutually connected with the adjusting connecting seat (606), a plurality of tightly arranged laser lamps (702) are uniformly arranged on the inner wall of the upper end of the upper cover body (701), two rotating screws (703) are symmetrically arranged on the left side and the right side of the upper cover body (701), steel mesh clamping heads (704) are arranged at the end parts of the two rotating screws (703) which are positioned on the inner side of the upper cover body (701), and rotating heads (705) are arranged at the other ends of the two rotating screws (703) which are positioned on the outer side of the upper cover body (701);
the printing lower plate (8) comprises a lower plate body (801) arranged on the printing base (1), an adjusting transverse groove (802) is formed in the front side wall of the lower plate body (801), two mutually parallel panels (807) are arranged on the inner wall of the bottom of the lower plate body (801), fixing block moving risers (808) are slidably connected to the upper ends of the panels (807), PCB fixing blocks (803) are arranged at the upper ends of the fixing block moving risers (808), adjusting grooves (806) are formed in the upper surface of the lower plate body (801) and are used for two fixing block moving risers (808) to move, adjusting transverse rods (809) are arranged at the side ends of the fixing block moving risers (808), the adjusting transverse rods (809) penetrate through the adjusting transverse grooves (802) to extend to the outer sides of the front side surfaces of the printing lower plate (8), the adjusting transverse rods (809) horizontally and freely slide in the adjusting transverse grooves (802), and one ends of the adjusting transverse rods (809) extending to the outer sides of the printing lower plate (8) are provided with handles.
2. The rapid identification and precise positioning solder paste printing table according to claim 1, wherein: the surface of the rotary disk (605) is provided with a frosted surface or friction lines.
3. The rapid identification and precise positioning solder paste printing table according to claim 1, wherein: an anti-shake sliding sheet (805) is arranged at the contact part of the adjusting cross rod (809) and the adjusting cross groove (802).
4. The rapid identification and precise positioning solder paste printing table according to claim 1, wherein: the steel mesh clamping head (704) comprises a clamping head body (7041), wherein a flat clamping groove (7044) is formed in the clamping head body (7041), and two compression screws (7042) are symmetrically arranged at the upper end and the lower end of the clamping groove (7044).
5. The rapid identification and precise positioning solder paste printing table of claim 4, wherein: the end of the compression screw (7042) in the clamping groove (7044) is provided with a flat pressing piece (7043).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434677.9A CN110039889B (en) | 2019-05-23 | 2019-05-23 | Solder paste printing table capable of rapidly identifying and accurately positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434677.9A CN110039889B (en) | 2019-05-23 | 2019-05-23 | Solder paste printing table capable of rapidly identifying and accurately positioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110039889A CN110039889A (en) | 2019-07-23 |
| CN110039889B true CN110039889B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910434677.9A Active CN110039889B (en) | 2019-05-23 | 2019-05-23 | Solder paste printing table capable of rapidly identifying and accurately positioning |
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| Country | Link |
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| CN (1) | CN110039889B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391486A (en) * | 2020-05-11 | 2020-07-10 | 台州市莱恩克智能科技有限公司 | Discharging and screen frame adjusting mechanism of screen printing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4846058A (en) * | 1986-12-24 | 1989-07-11 | Farris Jimmy L | Multiple registered image screen printing method and apparatus with removable platens |
| CN102658716A (en) * | 2012-05-30 | 2012-09-12 | 东莞市科隆威自动化设备有限公司 | Novel vision alignment system |
| CN105216437A (en) * | 2015-11-05 | 2016-01-06 | 东莞市科隆威自动化设备有限公司 | Alignment light source image deviation adjustment self-calibration method |
| CN207496205U (en) * | 2017-09-26 | 2018-06-15 | 东莞市冠伦精密机械有限公司 | A kind of full-automatic stencil printing machine |
| CN210309506U (en) * | 2019-05-23 | 2020-04-14 | 南京师范大学泰州学院 | Solder paste printing table capable of quickly identifying and accurately positioning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6883425B2 (en) * | 2002-09-13 | 2005-04-26 | Duke W. Goss | Screen printing device |
-
2019
- 2019-05-23 CN CN201910434677.9A patent/CN110039889B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4846058A (en) * | 1986-12-24 | 1989-07-11 | Farris Jimmy L | Multiple registered image screen printing method and apparatus with removable platens |
| CN102658716A (en) * | 2012-05-30 | 2012-09-12 | 东莞市科隆威自动化设备有限公司 | Novel vision alignment system |
| CN105216437A (en) * | 2015-11-05 | 2016-01-06 | 东莞市科隆威自动化设备有限公司 | Alignment light source image deviation adjustment self-calibration method |
| CN207496205U (en) * | 2017-09-26 | 2018-06-15 | 东莞市冠伦精密机械有限公司 | A kind of full-automatic stencil printing machine |
| CN210309506U (en) * | 2019-05-23 | 2020-04-14 | 南京师范大学泰州学院 | Solder paste printing table capable of quickly identifying and accurately positioning |
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| CN110039889A (en) | 2019-07-23 |
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