CN212070710U - Product adhesion preventing tool of tin soldering machine - Google Patents
Product adhesion preventing tool of tin soldering machine Download PDFInfo
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- CN212070710U CN212070710U CN202020516485.0U CN202020516485U CN212070710U CN 212070710 U CN212070710 U CN 212070710U CN 202020516485 U CN202020516485 U CN 202020516485U CN 212070710 U CN212070710 U CN 212070710U
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Abstract
The utility model relates to a product adhesion prevention tool of a soldering tin machine, which comprises a workbench, a soldering bit and a carrier, wherein the soldering bit and the carrier are positioned on the workbench, and the carrier is used for clamping a FPC board and a PCB board and lifting the FPC board and the PCB board to the soldering bit for welding; the workbench is fixedly connected with a pressing plate, the pressing plate is positioned between the soldering bit and the carrier and is not parallel to the carrier, and one surface of the pressing plate, which is close to the carrier, forms an inclined surface; the inclined plane is attached with an elastic piece, and when the carrier drives the FPC board and the PCB board to rise to a welding position, the elastic piece compresses the FPC board and the PCB board; when the carrier drives the FPC board and the PCB board to fall back, the elastic piece forces the FPC board to be separated from the pressing plate by virtue of restoring force and recovers an unstressed state; the carrier ascends to compress the elastic sheet, and the elastic sheet applies pressure to the FPC board at the same time to compress welding points between the FPC board and the PCB board, so that the defects of floating height, tail and few welding points of the welding points are reduced; after the welding is completed, the carrier falls back, the elastic sheet is gradually recovered, and the pressing plate and the FPC are prevented from being adhered.
Description
Technical Field
The utility model relates to an automatic soldering tin equipment technical field especially relates to a soldering tin machine prevent product adhesion frock.
Background
When connecting a PCB (printed circuit board) and an FPC (flexible printed circuit) board, the FPC is generally welded on the PCB board by adopting a welding mode, but in the welding process, a tin wire contains soldering flux, and the soldering flux is dissolved in 75% alcohol by 25% rosin; therefore, after the soldering, the rosin is dissolved and cooled to be adhered to the FPC, and the FPC is easy to deform after being stressed, so that the soldering points of the product have the defects of floating height, lacking of tin, little tin and the like; based on this, numerous automated soldering machine manufacturers have developed the following methods to overcome these problems: 1. the FPC soft board is propped by the spring pin to be separated, but the spring pin is damaged when the stress is not vertical and the rosin is adhered to the telescopic position; 2. a magnet adsorption mode is adopted; however, the magnet adsorption method can adsorb only a portion having metal (metal that reacts with the magnet); therefore, the application range is limited greatly, and the position is troublesome to adjust; 3. A cover plate type method is adopted, and the common method is that a manual mode or a mechanical arm mode is adopted to press and support the cover plate, and the cover plate is lifted and separated; the cost required for modification is high, and the required space is large; is not a good way.
Therefore, there is a need for a tooling structure that can stabilize the product on the carrier to prevent deviation and avoid adhesion after soldering when soldering the PCB and FPC boards.
SUMMERY OF THE UTILITY MODEL
Aiming at the existing technologies such as: when welding PCB and FPC board, current pressure covers the mode and can be because atress out of plumb, the magnet adsorbs the limitation big, manipulator mode demand space shortcoming such as big cost height, so this practicality uses a frock structure to compress tightly the product and guarantees welded planarization to prevent the product adhesion.
The tool comprises a workbench, a soldering bit and a carrier, wherein the soldering bit is positioned on the workbench, and the carrier is used for clamping an FPC (flexible printed circuit) board and a PCB (printed circuit board) and lifting to a position below the soldering bit for welding; the workbench is fixedly connected with a pressing plate, the pressing plate is positioned between the soldering bit and the carrier and is not parallel to the carrier, and one surface of the pressing plate close to the carrier forms an inclined surface; an elastic piece is attached to the inclined plane, and when the carrier drives the FPC board and the PCB board to ascend to a welding position, the elastic piece compresses the FPC board and the PCB board; when the carrier drives the FPC board and the PCB board to fall back, the elastic piece forces the FPC board to be separated from the pressing plate by means of restoring force and recovers the unstressed state.
Preferably, one surface of the pressing plate, which is close to the carrier, forms an inclined surface, the pressing plate forms a slope bottom and a slope top, the slope top is provided with a first through hole for a first fixing rod to penetrate through, and two ends of the first fixing rod are fixedly arranged on the workbench.
Preferably, a second through hole for a second fixing rod to penetrate through is formed in the bottom of the slope, two ends of the second fixing rod are fixedly arranged on the workbench, and the pressing plate forms a stable slope structure through the first fixing rod and the second fixing rod.
Preferably, the two ends of the first fixing rod are fixed on the workbench through fixing seats, and the fixing seats are detachably connected with the workbench.
Preferably, a second through hole for a second fixing rod to penetrate through is formed in the bottom of the slope, two ends of the second fixing rod are fixedly arranged on the workbench, the pressing plate forms a stable slope structure through the first fixing rod and the second fixing rod, and two ends of the second fixing rod are connected with the fixing seat.
Preferably, the two ends of the second fixing rod, which are located at the second through hole, are provided with abutting sleeves, the radius of the abutting sleeves is larger than that of the second through hole, one end of each abutting sleeve abuts against the fixing seat, and the other end of each abutting sleeve abuts against the pressing plate so as to block the pressing plate from moving.
Preferably, the inclined surface of the pressing plate is provided with a groove, the elastic piece is embedded in the groove, and the elastic piece and the inclined surface form a flat surface.
Preferably, the elastic sheet is a spring steel sheet.
The utility model has the advantages that: the utility model provides a product adhesion preventing tool of a tin soldering machine, which comprises a workbench, a soldering bit and a carrier, wherein the soldering bit and the carrier are positioned on the workbench, and the carrier is used for clamping a FPC board and a PCB board and lifting the FPC board and the PCB board to the soldering bit for welding; the workbench is fixedly connected with a pressing plate, the pressing plate is positioned between the soldering bit and the carrier and is not parallel to the carrier, and one surface of the pressing plate, which is close to the carrier, forms an inclined surface; the inclined plane is attached with an elastic piece, and when the carrier drives the FPC board and the PCB board to rise to a welding position, the elastic piece compresses the FPC board and the PCB board; when the carrier drives the FPC board and the PCB board to fall back, the elastic piece forces the FPC board to be separated from the pressing plate by virtue of restoring force and recovers an unstressed state; the carrier ascends to compress the elastic sheet, and the elastic sheet applies pressure to the FPC board at the same time to compress welding points between the FPC board and the PCB board, so that the defects of floating height, tail and few welding points of the welding points are reduced; after the welding is completed, the carrier falls back, the elastic sheet is gradually recovered, and the pressing plate and the FPC are prevented from being adhered.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged partial schematic view of a of fig. 3 according to the present invention;
FIG. 4 is a schematic view of the combination of the pressing plate structure and the soldering iron head structure of the present invention;
FIG. 5 is a schematic view of the pressing plate structure of the present invention;
fig. 6 is an exploded view of the pressing plate structure of the present invention.
The main element symbols are as follows:
1. a work table; 11. pressing a plate; 111. a bevel; 112. a slope bottom; 113. the top of the slope; 114. a groove; 12. an elastic sheet; 13. a first fixing lever; 14. a second fixing bar; 141. supporting the sleeve; 15. a fixed seat; 2. a soldering bit; 3. a carrier; 4. an FPC board; 5. and (7) a PCB board.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
When connecting a PCB (printed circuit board) and an FPC (flexible printed circuit) board, the FPC is generally welded on the PCB board in a welding mode, but in the welding process, soldering flux is adopted, and most of the soldering flux is 25% rosin dissolved in 75% alcohol; therefore, after tinning, rosin is adhered to the plate, and then the product is adhered to the welding tip, so that the welding spot of the product has the defects of floating height, tail chipping, little tin and the like; based on this, numerous automated soldering machine manufacturers have developed the following methods to overcome these problems: 1. the FPC soft board is propped by the spring pin to be separated, but the spring pin is damaged when the stress is not vertical and the rosin is adhered to the telescopic position; 2. a magnet adsorption mode is adopted; however, the magnet adsorption method can adsorb only a portion having metal (metal that reacts with the magnet); therefore, the application range is limited greatly, and the position is troublesome to adjust; 3. a cover plate type method is adopted, and the common method is that a manual mode or a mechanical arm mode is adopted to press and support the cover plate, and the cover plate is lifted and separated; the cost required for modification is high, and the required space is large; is not a good way.
Specifically, referring to fig. 1-6, the tool for preventing a product from adhering to a soldering tin machine comprises a workbench 1, a soldering iron head 2 positioned on the workbench 1, and a carrier 3, wherein the carrier 3 is used for clamping an FPC board 4 and a PCB board 5 and lifting the FPC board and the PCB board to the soldering iron head 2 for soldering; the workbench 1 is fixedly connected with a pressing plate 11, the pressing plate 11 is positioned between the soldering bit 2 and the carrier 3, the pressing plate 11 is not parallel to the carrier 3, and the pressing plate and the carrier form a certain inclination angle, so that an inclined plane 111 is formed on one surface of the pressing plate 11 close to the carrier 3; the inclined plane 111 is attached with an elastic sheet 12, and when the carrier 3 drives the FPC board 4 and the PCB board 5 to rise to a welding position, the elastic sheet 12 compresses the FPC board 4 and the PCB board 5; when the carrier 3 drives the FPC board 4 and the PCB board 5 to fall back, the elastic piece 12 forces the FPC board 4 to be separated from the pressing board 11 by virtue of restoring force and recovers to an unstressed state; because a certain inclination angle is formed, the elastic sheet adhered on the inclined plane and the carrier also form a certain inclination angle, and the FPC is in a plane state, the elastic sheet utilizes the advantage of bending and is gradually converted into surface contact with a larger area by line contact after contacting the FPC board, and firstly, the pressure applied to the FPC soft board and the PCB hard board is gradually increased; however, the pressure intensity is not increased suddenly, so that destructive extrusion cannot be caused to the FPC, and the pressure intensity is increased suddenly in the pressing process due to the rigid structure of the existing cover plate, so that the installation cost is wasted, and the FPC can be damaged to a certain extent; therefore, the elastic sheet is used for compressing the FPC board and the PCB board, and the welding spots between the FPC board and the PCB board can be compressed, so that the FPC board and the PCB board are tightly attached to overcome the defects of floating height, deviation, little tin and the like of the welding spots; and the product is prevented from being adhered to the pressing plate due to the existence of rosin, the modification cost is low, the structure is delicate, and the effect is obvious.
In this embodiment, the pressing plate 11 forms an inclined plane 111 on a side close to the carrier, the pressing plate 11 forms a slope bottom 112 and a slope top 113, the slope top 113 is provided with a first through hole for the first fixing rod 13 to pass through, and two ends of the first fixing rod 13 are fixedly arranged on the workbench 1.
In this embodiment, the slope bottom 112 is provided with a second through hole for the second fixing rod 14 to pass through, two ends of the second fixing rod 14 are fixedly arranged on the workbench, and the pressing plate forms a stable slope structure through the first fixing rod and the second fixing rod; the displacement of the pressing position caused in the repeated welding process is prevented, and a small amount of floating height and displacement gradually appear in the welding points of the subsequent FPC board and the PCB board; therefore, in order to avoid the phenomenon, fixing rods are arranged at the bottom of the slope and the top of the slope, and the pressing plate is prevented from moving in the vertical direction.
In this embodiment, two ends of the first fixing rod 13 are fixed on the workbench 1 through fixing seats 15, and the fixing seats 15 are detachably connected with the workbench 1; therefore, when the fixed seat is detached, the pressing plate can be detached, and the cleaning is convenient.
In addition, in order to adapt to FPC and PCB with different areas, a spring leaf with a larger area can be arranged on the bottom surface of the workbench, so that the FPC soft board and the pressing plate can be separated more stably when the carrier descends.
In this embodiment, slope bottom 112 is provided with the second through-hole that supplies second dead lever 14 to pass, and the both ends of second dead lever 14 are fixed to be set up on workstation 1, and clamp plate 11 forms firm slope structure through first dead lever 13 and second dead lever 14, and the both ends and the fixing base of second dead lever 14 are connected, and the tip of the homonymy of first, second dead lever all is connected on same fixing base for the structure is more firm, and it is also more convenient to dismantle.
In this embodiment, the two ends of the second fixing rod 14 located at the second through hole are both provided with the abutting sleeves 141, the radius of the abutting sleeves 141 is larger than that of the second through hole, and one end of the abutting sleeves is abutted against the fixing base 15, and the other end of the abutting sleeves is abutted against the pressing plate 11, so as to block the pressing plate from moving left and right, and the length of the abutting sleeves can be changed to adjust a certain distance.
In the present embodiment, the inclined plane 111 of the pressing plate 11 is provided with a groove 114, the elastic piece 12 is fitted in the groove 114, and the elastic piece 12 and the inclined plane 111 form a flat plane; the structure is more compact, and the collision and the falling can not occur.
In the embodiment, the elastic sheet 12 is a spring steel sheet, because of the excellent metallurgical quality and good surface quality of the spring steel, the spring steel is more resistant to corrosion of rosin cleaning agent, and is more convenient to clean, more durable, convenient to process and low in cost.
The utility model has the advantages that:
1) the structure is arranged in an online automatic tin soldering machine, automatic assembly line welding is realized, manual operation is not needed, the problem that rosin is adhered to plates in welding is solved, and the tin soldering quality is improved;
2) the welding spot between the FPC soft board and the PCB hard board is tightly attached by the spring steel sheet, the size is small, the welding work of the tin soldering robot is not affected, and the structure adopts a modular type, so that the replacement and the maintenance are convenient.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (8)
1. A product adhesion prevention tool of a tin soldering machine comprises a workbench, a soldering bit and a carrier, wherein the soldering bit and the carrier are positioned on the workbench, and the carrier is used for clamping an FPC (flexible printed circuit) board and a PCB (printed circuit board) and lifting the FPC board and the PCB to the position below the soldering bit for soldering; the soldering iron is characterized in that a pressing plate is fixedly connected to the workbench, the pressing plate is located between the soldering iron head and the carrier, the pressing plate and the carrier are not parallel, and an inclined plane is formed on one surface, close to the carrier, of the pressing plate; an elastic piece is attached to the inclined plane, and when the carrier drives the FPC board and the PCB board to ascend to a welding position, the elastic piece compresses the FPC board and the PCB board; when the carrier drives the FPC board and the PCB board to fall back, the elastic piece forces the FPC board to be separated from the pressing plate by means of restoring force and recovers the unstressed state.
2. The tool for preventing the product from adhering to the soldering machine as claimed in claim 1, wherein the pressing plate forms a slope bottom and a slope top, the slope top is provided with a first through hole for a first fixing rod to pass through, and two ends of the first fixing rod are fixedly arranged on the workbench.
3. The tool for preventing the product from being adhered to the soldering machine as claimed in claim 2, wherein a second through hole for a second fixing rod to pass through is formed in the bottom of the slope, two ends of the second fixing rod are fixedly arranged on the workbench, and the pressing plate forms a stable slope structure through the first fixing rod and the second fixing rod.
4. The tool for preventing the product from adhering to the soldering machine as claimed in claim 2, wherein two ends of the first fixing rod are fixed to the workbench through fixing seats, and the fixing seats are detachably connected with the workbench.
5. The tool for preventing the product from being adhered to the soldering machine as claimed in claim 4, wherein a second through hole for a second fixing rod to pass through is formed in the bottom of the slope, two ends of the second fixing rod are fixedly arranged on the workbench, the pressing plate forms a stable slope structure through the first fixing rod and the second fixing rod, and two ends of the second fixing rod are connected with the fixing seat.
6. The tool for preventing the product from adhering to the soldering tin machine as claimed in claim 5, wherein abutting sleeves are arranged at two ends of the second fixing rod, which are located at the second through hole, the radius of each abutting sleeve is larger than that of the second through hole, one end of each abutting sleeve abuts against the fixing seat, and the other end of each abutting sleeve abuts against the pressing plate to prevent the pressing plate from moving.
7. A tool for preventing a product from adhering to a soldering machine as claimed in any one of claims 1 to 6, wherein a groove is formed in the inclined surface of the pressing plate, the elastic piece is fitted in the groove, and the elastic piece and the inclined surface form a flat surface.
8. The tool for preventing the product from adhering to the soldering machine as claimed in claim 7, wherein the elastic sheet is a spring steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020516485.0U CN212070710U (en) | 2020-04-09 | 2020-04-09 | Product adhesion preventing tool of tin soldering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020516485.0U CN212070710U (en) | 2020-04-09 | 2020-04-09 | Product adhesion preventing tool of tin soldering machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212070710U true CN212070710U (en) | 2020-12-04 |
Family
ID=73594113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020516485.0U Active CN212070710U (en) | 2020-04-09 | 2020-04-09 | Product adhesion preventing tool of tin soldering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212070710U (en) |
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2020
- 2020-04-09 CN CN202020516485.0U patent/CN212070710U/en active Active
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