CN212278716U - Accurate controlling means of point of bending is flattened to aluminium capacitor surface mounting product - Google Patents
Accurate controlling means of point of bending is flattened to aluminium capacitor surface mounting product Download PDFInfo
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- CN212278716U CN212278716U CN202021434954.0U CN202021434954U CN212278716U CN 212278716 U CN212278716 U CN 212278716U CN 202021434954 U CN202021434954 U CN 202021434954U CN 212278716 U CN212278716 U CN 212278716U
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Abstract
The utility model provides an aluminium capacitor surface mounting product is flattened and is bent a little accurate controlling means, through flattening right side module and flattening left side module and drawing close the positive negative pole guide pin of the naked article of extrusion electric capacity respectively, be about to two guide pins flatten thickness control to standard size. Meanwhile, a bending point convex block is arranged in the control pin positioning groove, and a corresponding bending groove can be formed at the positive and negative electrode guide pins through the bending point convex block, so that the subsequent bending process is convenient to carry out; meanwhile, the height of the flattened module can be adjusted by increasing or reducing the adjusting gaskets, so that the position of the guide pin forming the bending groove can be controlled accurately, the limited gap is reserved on the mounting surface of the bare guide pin after the top end of the bare guide pin and the seat plate are mounted, and the air resistance phenomenon during welding is prevented; the stability and the reliability of the surface mounting product of the aluminum capacitor are improved.
Description
Technical Field
The utility model relates to a condenser processingequipment technical field especially relates to an aluminium capacitor surface mounting product is flattened and is bent some accurate controlling means.
Background
With the application of electronic products becoming more and more extensive, the overall structure of electronic equipment also becomes more and more to integrate, miniaturized trend development. In miniaturization and flat panel equipment, surface-mount technology (also called SMT) is widely used, which is a common electronic packaging technology. Surface mount technology mounts electronic components, such as resistors, capacitors, transistors, integrated circuits, etc., onto a printed circuit board and forms electrical connections by soldering. Besides the conventional circuit board, the "double-sided mounting circuit board" is particularly a prominent example. The 'chip capacitor' is produced by adopting the 'double-sided mounting technology' on the original circuit board.
Generally, the higher the mounting speed, the higher the mounting accuracy, and it is difficult to ensure. At present, the surface mounting equipment basically adopts a high-speed surface mounting reflow welding machine produced in daily life, the surface mounting speed reaches 0.07-0.10S, each time one element is mounted, and a welding wire track prefabricated on a circuit board and used for adhering (welding) a capacitor is narrow and thin, so that the surface mounting equipment has high requirements on the type position of two welding outgoing lines of the surface mounting capacitor and the overall height of the surface mounting capacitor. Therefore, not only the working principle of a patch reflow soldering machine needs to be researched and familiar, but also the patch capacitor product needs to be ensured to have certain special properties so as to meet the requirements of high-speed soldering, accurate positioning, high reliability and the like.
However, the Surface Mount Technology (SMT) of the aluminum capacitor manufactured in China has technical defects of inaccurate positioning control and the like in the flattening and bending process, so that the surface mount capacitor often has the phenomena of insufficient welding verticality, poor welding, even dropping and the like.
Disclosure of Invention
To the above problem, the utility model relates to a developed an aluminium capacitor surface mounting product and flattened accurate controlling means of some of bending. The accurate fool-proof design, manufacturing and control are facilitated to be carried out on the flattening thickness and the bending point positions of the positive and negative guide pins of the battery cell, so that quality managers and machine-adjusting operators in field production can strictly execute according to control requirements, and all produced patch products completely meet user requirements.
In order to solve the technical problem, the utility model discloses specifically adopt following technical scheme:
a flattening and bending point accurate control device for an aluminum capacitor surface mounting product comprises an installation bottom plate, a flattening middle module for positioning a bare capacitor, a flattening left module arranged on the left side of the flattening middle module, a flattening right module arranged on the right side of the flattening middle module, a first driving device in driving connection with the flattening left module, and a second driving device in driving connection with the flattening right module, wherein installation supports are fixedly arranged on two sides of the flattening middle module, the flattening middle module is detachably installed on the installation bottom plate through the installation supports, and adjusting gaskets are detachably arranged between the installation bottom plate and the installation supports; the pin of the bare capacitor is downward and placed on the flattening middle module, the negative electrode guide pin of the bare capacitor is positioned between the flattening middle module and the flattening left module, and the positive electrode guide pin of the bare capacitor is positioned between the flattening middle module and the flattening right module; the two ends of the side wall of the flattening left module and the side wall of the flattening right module, which are close to the flattening middle module, are respectively provided with a flattening positioning block which are symmetrical to each other, a stitch positioning groove is formed between the two flattening positioning blocks, and the stitch positioning groove is convexly provided with a bending point convex block; the first driving device drives the flattening left module to draw close to the flattening middle module and extrude a cathode guide pin of the bare capacitor, and the second driving device drives the flattening right module to draw close to the flattening middle module and extrude an anode guide pin of the bare capacitor.
Preferably, the flattening middle module is arranged in parallel with the contact working surfaces of the left side wall, the left side wall and the flat left module, the flat right module, the positive guide pin and the negative guide pin of the bare capacitor product, wherein the left side wall and the right side wall are abutted against the positive guide pin and the negative guide pin of the bare capacitor product.
Preferably, the installation side plate is provided with a return assembly, wherein the return assembly comprises installation side plates arranged on two sides of the flattening left module and the flattening right module, connecting cylinders are fixedly arranged on two sides of the flattening left module and the flattening right module, one end of each connecting cylinder is connected with a tension spring, and the other end of each tension spring is connected with the installation side plate.
Preferably, the tension spring connected with the flattening left module is parallel to the motion track of the flattening left module, and the tension spring connected with the flattening right module is parallel to the motion track of the flattening right module.
Compared with the prior art, the utility model discloses following beneficial effect has:
the difference of positive, negative guide pin material in traditional art, hardness and guide pin diameter etc. all can influence the actual thickness of two guide pins after flattening, if the thickness of two guide pins after flattening can not keep unanimous, will influence the finished product welding straightness that hangs down behind the dress bedplate. In this application, owing to flatten left module and flatten right module and all be provided with the locating piece of flattening, flatten left module to the negative pole guide pin of drawing close the naked article of extrusion electric capacity to flattening middle module through wherein first drive arrangement drive, second drive arrangement drive is flattened left module and is drawn close the anodal guide pin of the naked article of extrusion electric capacity to flattening middle module, can control the thickness of flattening of two guide pins to standard size (the thickness of flattening the locating piece).
In the application, a bending point convex block is also arranged in the control pin positioning groove, so that when the flattening right die and the flattening left die block move towards the flattening middle die and the positive and negative guide pins are extruded, corresponding bending grooves can be formed at the positive and negative guide pins through the bending point convex block, and the subsequent bending process is facilitated; meanwhile, the depth of the formed bending groove (the thickness of a bending point bump) can be accurately controlled, and the continuous bending times of the guide pin after being bent can be further controlled;
simultaneously in this application, the module can be through increasing or reducing adjusting shim in flattening to realize adjusting its height, then can control the position that the accurate control guide pin formed the groove of bending, the key lies in can guaranteeing that the top of naked article guide pin and bedplate installation back in addition, and its installation face remains limited clearance, and the air lock phenomenon when having prevented the welding takes place. The stability and the reliability of the surface mounting product of the aluminum capacitor are improved.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic side view of the flattened left module of the present invention;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
fig. 4 is a schematic top view of the flattened left module of the present invention;
FIG. 5 is a schematic structural view of the assembled bare capacitor and seat plate after flattening and bending treatment;
description of reference numerals: the device comprises a flattening left module 1, a flattening positioning block 11, a bending point bump 12, a flattening right module 2, a flattening middle module 3, a mounting support 31, an adjusting gasket 32, a mounting bottom plate 4, a first driving device 5, a second driving device 6, a capacitor bare product 7, an anode guide pin 71, a cathode guide pin 72 and a seat plate 8.
Detailed Description
The following detailed description of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1-5, the embodiment provides an aluminum capacitor surface mount product flattening and bending point precise control device, which includes a mounting base plate 4, a flattening middle module 3 for positioning a bare capacitor 7, a flattening left module 1 arranged on the left side of the flattening middle module 3, a flattening right module 2 arranged on the right side of the flattening middle module 3, a first driving device 5 connected with the flattening left module 1, and a second driving device 6 connected with the flattening right module 2, wherein mounting brackets 31 are fixedly arranged on both sides of the flattening middle module 3, the flattening middle module 3 is detachably mounted on the mounting base plate 4 through the mounting brackets 31, and adjusting gaskets 32 are detachably arranged between the mounting base plate 4 and the mounting brackets 31; the pin of the bare capacitor 7 faces downwards and is placed on the flattening middle module 3, the negative electrode guide pin 72 of the bare capacitor 7 is positioned between the flattening middle module 3 and the flattening left module 1, and the positive electrode guide pin 71 of the bare capacitor 7 is positioned between the flattening middle module 3 and the flattening right module 2; the two ends of the side walls, close to the flattening middle module 3, of the flattening left module 1 and the flattening right module 2 are respectively provided with a flattening positioning block 11 which are symmetrical to each other, a pin positioning groove is formed between the two flattening positioning blocks 11, and the pin positioning groove is convexly provided with a bending point convex block 12; the first driving device 5 drives the flattening left module 1 to draw close to the flattening middle module 3 and extrude the negative electrode guide pin 72 of the bare capacitor 7, and the second driving device 6 drives the flattening right module 2 to draw close to the flattening middle module 3 and extrude the positive electrode guide pin 71 of the bare capacitor 7.
The difference of positive, negative guide pin material in traditional art, hardness and guide pin diameter etc. all can influence the actual thickness of two guide pins after flattening, if the thickness of two guide pins after flattening can not keep unanimous, will influence the finished product welding straightness that hangs down behind dress bedplate 8. In this application, owing to flatten left module 1 and flatten right module 2 and all be provided with and flatten locating piece 11, flatten left module 1 and draw close the negative pole guide pin 72 of extrusion electric capacity bare item 7 to flattening middle module 3 through wherein the drive of first drive arrangement 5, second drive arrangement 6 drive flattens right module 2 and draws close the positive pole guide pin 71 of extrusion electric capacity bare item 7 to flattening middle module 3, can control the thickness of flattening of two guide pins (the thickness of flattening locating piece 11 promptly, mark L in the specific reference description attached drawing 3-4) to standard size.
In the application, a bending point bump 12 is further arranged in the control pin positioning groove, so that when the flattening left module 1 and the flattening right module 2 move to the flattening middle module 3 and press the positive and negative guide pins 72, corresponding bending grooves can be formed at the positive and negative guide pins 72 through the bending point bump 12, and the subsequent bending process is facilitated; meanwhile, the depth of the formed bending groove (the thickness of the bending point bump 12, refer to the mark H in the attached figures 3-4 of the specification) can be accurately controlled, and the continuous bending frequency of the guide pin after being bent can be controlled; meanwhile, the mark X in the attached figures 3-4 of the specification specifically refers to the height of the bending groove.
Simultaneously in this application, module 3 can be through increasing or reducing adjusting shim 32 in flattening to realize adjusting its height, then can control the position that the accurate control guide pin formed the groove of bending, and the key lies in can guaranteeing that the top of naked article guide pin and bedplate 8 installation back in addition, and its installation face remains limited clearance, and the air lock phenomenon when having prevented the welding takes place. The stability and the reliability of the surface mounting product of the aluminum capacitor are improved.
Preferably, in order to ensure that the parallelism of the two guide pins of the bare capacitor 7 is consistent after the bare capacitor 7 is inserted and after the flattening process is performed, the left and right side walls of the flattened middle module 3, which are in contact with the positive guide pin 71 and the negative guide pin 72 of the bare capacitor 7, and the contact working surfaces of the flattened left module 1, the flattened right module 2, the positive guide pin 71 and the negative guide pin 72 are arranged in parallel.
Preferably, in order to facilitate flattening of the left module 1 and the right module 2 and flattening and return of the right module after the positive and negative electrode guide pin 72 is flattened and the bending point is processed, a return assembly is further provided, wherein the return assembly comprises mounting side plates arranged on two sides of the left module 1 and the right module 2, wherein connecting cylinders (not shown) are fixedly arranged on two sides of the left module 1 and the right module 2, one end of each connecting cylinder is connected with a tension spring (not shown), and the other end of each tension spring is connected with the mounting side plates.
Preferably, the tension spring connected with the flattening left module 1 is parallel to the motion track of the flattening left module 1, and the tension spring connected with the flattening right module 2 is parallel to the motion track of the flattening right module 2. Can ensure the accurate return and is convenient for the next movement stroke without error.
In this embodiment, after the bare capacitor 77 is processed by the flattening and bending point precise control device, the height of the bending point can be precisely controlled, and the subsequent assembly between the bare capacitor 77 and the seat plate 8 can be facilitated, wherein the assembly standard should ensure that a gap (refer to the label M in fig. 5 of the specification) of about 0.05mm is left between the top end of the assembled bare capacitor and the mounting surface in the seat plate 8, and the gap serves as an air resistance gap. The air resistance gap can be adjusted by adjusting the height of the module 3 during flattening, so that the position of the bending groove is changed, the gap between the top end of a bare product and the mounting surface in the seat plate 8 is changed, and adjustment is realized. Because if the top end of the bare product is tightly attached to the mounting surface in the seat plate 8 without clearance, the contact part will be in a partial vacuum state during welding, air resistance is generated, the normal flow of soldering tin is influenced, and the welding quality is deteriorated. The control can reserve the air-resistance clearance and ensure that the outermost ends of the two guide pins are completely overlapped with the soldering tin tracks on the circuit board without producing 'cold solder', thereby greatly improving the welding quality. Thereby also improving the stability and reliability of the surface mount product of the aluminum capacitor.
After the capacitor bare product 7 and the seat plate 8 are assembled, the bending treatment is carried out, wherein the assembly standard should ensure that the two guide pins are bent to form an angle theta, the angle theta is strictly controlled to be 178-180 degrees, the outermost ends of the two welded guide pins can be completely welded in place with the narrow and thin soldering tin tracks on the circuit board, and so-called 'false soldering' is not generated. Otherwise, if the bending forming angle theta of the two guide pins is larger than 180 degrees, the thin-layer soldering tin on the circuit board cannot flow to the top end parts of the guide pins, and the soldering can generate 'false soldering', thereby seriously affecting the soldering quality.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts ripe bolt, rivet among the prior art. The conventional means such as welding, machines, parts and equipment are of the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the details are not described.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or through an intermediary, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
Claims (4)
1. An aluminum capacitor surface mounting product flattening and bending point accurate control device is characterized by comprising an installation bottom plate, a flattening middle module, a flattening left module, a flattening right module, a first driving device and a second driving device, wherein the flattening middle module is used for positioning a bare capacitor, the flattening left module is arranged on the left side of the flattening middle module, the flattening right module is arranged on the right side of the flattening middle module, the first driving device is in driving connection with the flattening left module, the second driving device is in driving connection with the flattening right module, installation supports are fixedly arranged on two sides of the flattening middle module, the flattening middle module is detachably installed on the installation bottom plate through the installation supports, and adjusting gaskets are detachably arranged between the installation bottom plate and the installation supports; the pin of the bare capacitor is downward and placed on the flattening middle module, the negative electrode guide pin of the bare capacitor is positioned between the flattening middle module and the flattening left module, and the positive electrode guide pin of the bare capacitor is positioned between the flattening middle module and the flattening right module; the two ends of the side wall of the flattening left module and the side wall of the flattening right module, which are close to the flattening middle module, are respectively provided with a flattening positioning block which are symmetrical to each other, a stitch positioning groove is formed between the two flattening positioning blocks, and the stitch positioning groove is convexly provided with a bending point convex block; the first driving device drives the flattening left module to draw close to the flattening middle module and extrude a cathode guide pin of the bare capacitor, and the second driving device drives the flattening right module to draw close to the flattening middle module and extrude an anode guide pin of the bare capacitor.
2. The device for accurately controlling the flattening and bending point of the surface-mounted product of the aluminum capacitor according to claim 1, wherein the left and right side walls of the flattening middle module, which are in contact with the anode guide pin and the cathode guide pin of the bare capacitor, and the contact working surfaces of the flattening left module, the flattening right module, the anode guide pin and the cathode guide pin are arranged in parallel.
3. The device for accurately controlling the flattening and bending point of the surface mounted product of the aluminum capacitor as claimed in claim 1, wherein a return assembly is further provided, wherein the return assembly comprises mounting side plates disposed at two sides of the flattening left module and the flattening right module, wherein two sides of the flattening left module and the flattening right module are both fixedly provided with connecting cylinders, one end of each connecting cylinder is connected with a tension spring, and the other end of each tension spring is connected with the mounting side plate.
4. The device for accurately controlling the flattening and bending point of the surface mount product of the aluminum capacitor as claimed in claim 1, wherein the tension spring connected with the flattening left module is parallel to the motion track of the flattening left module, and the tension spring connected with the flattening right module is parallel to the motion track of the flattening right module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434954.0U CN212278716U (en) | 2020-07-21 | 2020-07-21 | Accurate controlling means of point of bending is flattened to aluminium capacitor surface mounting product |
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| CN202021434954.0U CN212278716U (en) | 2020-07-21 | 2020-07-21 | Accurate controlling means of point of bending is flattened to aluminium capacitor surface mounting product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922236A (en) * | 2020-07-21 | 2020-11-13 | 深圳江浩电子有限公司 | Precise control device for flattening and bending point of aluminum capacitor and use method of precise control device |
| CN113210502A (en) * | 2021-06-04 | 2021-08-06 | 安徽宏源铁塔有限公司 | Angle steel flattening tool capable of automatically returning materials |
-
2020
- 2020-07-21 CN CN202021434954.0U patent/CN212278716U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922236A (en) * | 2020-07-21 | 2020-11-13 | 深圳江浩电子有限公司 | Precise control device for flattening and bending point of aluminum capacitor and use method of precise control device |
| CN111922236B (en) * | 2020-07-21 | 2022-06-03 | 深圳江浩电子有限公司 | Precise control device for flattening and bending point of aluminum capacitor and use method of precise control device |
| CN113210502A (en) * | 2021-06-04 | 2021-08-06 | 安徽宏源铁塔有限公司 | Angle steel flattening tool capable of automatically returning materials |
| CN113210502B (en) * | 2021-06-04 | 2023-11-03 | 安徽宏源铁塔有限公司 | Angle steel flattening tool capable of automatically returning materials |
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