CN210702240U - DIP packaging chip pin forming tool - Google Patents
DIP packaging chip pin forming tool Download PDFInfo
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- CN210702240U CN210702240U CN201920812635.XU CN201920812635U CN210702240U CN 210702240 U CN210702240 U CN 210702240U CN 201920812635 U CN201920812635 U CN 201920812635U CN 210702240 U CN210702240 U CN 210702240U
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Abstract
The utility model discloses a DIP encapsulation chip leg lead takes shape frock contains frock base, shaping track, pulley rotor, pulley regulation track, and shaping track, pulley rotor, pulley regulation track fastening are on the frock base, and pulley rotor fixes on pulley regulation track, and in the recess on the frock base was arranged in to pulley regulation track, the pulley regulation track can realize horizontal regulation in the recess to adapt to the chip shaping of different width. The utility model discloses a pulley rotor realizes that DIP encapsulation chip leg draws takes shape with the track that takes shape, uses this frock shaping device leg draw atress even, and the angle of taking shape is controllable, and the leg root atress does not, and easy operation has the regulation and changes the function, and the DIP chip that is fit for different encapsulation sizes takes shape, and leg shaping quality reaches the requirement of relevant technical standard.
Description
Technical Field
The utility model relates to a DIP encapsulation chip pin takes shape frock belongs to DIP encapsulation chip pin takes shape frock manufacturing field.
Background
The DIP packaging device is provided with two rows of pins and welded on the printed board in a through hole inserting mode, the incoming material state is that the angle between the guide leg and the printed board is about 60-80 degrees and the guide leg cannot be directly installed in the printed board hole, the guide leg needs to be formed before welding, and the guide leg is parallel to the body, namely the angle is 90 degrees so that the guide leg can be smoothly installed.
At present, a lead forming mode of a DIP (dual in-line package) chip is manual forming, namely, a device body is pressed and formed by hands at one side, two rows of pins need to be formed twice, the root of the lead is easily stressed unevenly in the forming process, meanwhile, the lead forming angle is difficult to control, the phenomenon of over forming (the angle between the lead and a printed board is larger than 90 degrees) or inconsistent forming angle is easy to occur, operators need to adjust the DIP pins by using tweezers, the lead reliability is reduced or the pins are damaged after the lead is formed repeatedly, and finally, the chip is scrapped. And the lead legs can not be centered and the center of the hole after being inserted into the mounting hole after being formed, thereby influencing the tin penetration amount of the welding spot.
SUMMERY OF THE UTILITY MODEL
The technical solution problem of the utility model is that: in order to overcome the defects of the existing manual pressing pin forming technology, the pin forming tool for the DIP packaging chip is provided, and the forming reliability and the production efficiency of the device pins are improved.
The technical solution of the utility model is that:
a DIP packaging chip pin forming tool comprises a tool base, a forming rail, a pulley rotor and a pulley adjusting rail, wherein the forming rail, the pulley rotor and the pulley adjusting rail are fastened on the tool base,
the pulley rotor is fixed on a pulley adjusting track, the pulley adjusting track is arranged in a groove on the tool base, and the pulley adjusting track can realize transverse adjustment in the groove so as to adapt to the molding of chips with different widths;
the forming rail is arranged between the two symmetrical pulley adjusting rails, the forming rail is detachable on the tool base, the width of the forming rail is matched with the size of the forming chip body, and the forming rail is a tracing rail formed by the device guide legs;
when the chip slides on the forming track and slides across the pulley rotor, the chip is extruded and rotated by the pulleys on the two sides, and the guide legs are uniformly stressed and are attached to the side wall of the pulley adjusting track.
The tool base is designed and manufactured to have a downhill inclined angle which ranges from 30 degrees to 45 degrees.
The roughness of the surface of the pulley rotor is not higher than Ra0.1.
The packaging device also comprises a packaging shell fixing groove used for clamping and fixing the packaging shell for storing the device.
The tool base is used as a forming tool carrier and is made of an epoxy glass cloth plate.
The cross section of the forming track is T-shaped, and when the chip guide legs are attached to the side wall of the pulley adjusting track, the side wall is exposed by at least 2 mm.
The width of the pulley adjusting track is the sum of the width of the chip body and the width of the double leading legs.
The chip body is arranged on the forming track, the pins on two sides of the chip body form an included angle of 30-60 degrees relative to the forming track in an initial state of the chip, after forming, the pins are in a parallel attaching state and attached to the side wall of the adjusting track and are consistent with the center distance of the mounting holes of the printed board, and therefore mounting between the chip and the printed board is achieved.
The chip is placed on the forming track, and the root parts of the leading legs at the two sides of the chip are higher than the top end of the pulley rotor.
When the chip slides on the forming track, at least 2/3 guide legs are contacted with the side wall of the pulley rotor.
The utility model has the advantages that:
(1) the utility model realizes the formation of DIP packaged chip pins through the pulley rotor and the forming track, the pins of the forming device using the tool are uniformly stressed, the forming angle is controllable, the root of the pin is not stressed, the operation is simple, the adjusting and replacing functions are provided, the forming device is suitable for the formation of DIP chips with different packaging sizes, and the forming quality of the pin reaches the requirements of related technical standards;
(2) compared with the traditional press machine, the utility model has the advantages of portability, stronger mobility, simple structure, lower cost, short processing period, high working efficiency and wide working range, can not only carry out the press mounting of large bearings and the like, but also is applicable to the shape correction of large workpieces;
(3) the utility model discloses the input of equipment is used, perfect solution the pressure equipment assembly work of super large super high bearing, and the utility model of equipment has broken through the traditional mounting means of this project domestic and foreign bearing installation, has satisfied the super high demand to equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is the utility model discloses a frock base sketch map.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following examples are provided to illustrate the present invention, but not to limit the scope of the present invention.
A DIP packaging chip leg leading forming tool comprises a tool base 1, a forming rail 2, a pulley rotor 3, a pulley adjusting rail 4, the forming rail 2, the pulley rotor 3, the pulley adjusting rail 4 and a tube shell fixing groove 5 which are fastened on the tool base 1, wherein the tool base 1 is designed to have a downhill inclination angle of 30-45 degrees, and the tool base is in accordance with ergonomics and convenient to operate and slides from top to bottom as shown in figure 2.
The pulley rotor 3 is fixed on a pulley adjusting track 4, the pulley adjusting track 4 is arranged in a groove on the tool base 1, and the pulley adjusting track 4 can realize transverse adjustment in the groove so as to adapt to the molding of chips with different widths;
the forming track 2 is arranged between two symmetrical pulley adjusting tracks 4;
the forming track 2 can be detached on the tool base 1, the width of the forming track 2 is matched with the size of a formed chip body, and the forming track 2 is a track for forming the device guide legs, so that the forming angle consistency can be ensured, and the over-forming phenomenon can be prevented. The existing forming rails with the width sizes of 8mm and 14mm are suitable for forming;
the chip body is arranged on the forming track 2, the pins at two sides of the chip body form an included angle of 30-60 degrees relative to the forming track 2 in the initial state of the chip, and after forming, the pins are in a parallel attaching state and attached to the side wall of the pulley adjusting track 4. The center distance of the chip is consistent with that of the printed board mounting hole, and smooth mounting between the chip and the printed board is realized.
When the chip slides on the forming track 2 and slides over the pulleys, the chip is extruded and rotated by the pulleys on the two sides, the surface roughness of the pulley rotor 3 is preferably Ra0.1, the stress of the guide legs is uniform and consistent, and the local stress deformation of the root parts of the guide legs is avoided;
the pulley adjusting track 4 can transversely adjust the position of the pulley relative to the forming track according to the packaging size of the device, the device with different body sizes can be adjusted for use, and the width of the pulley adjusting track 4 is the sum of the width of the chip body and the width of 2 times of the guide leg.
And the tube shell fixing groove 5 is used for clamping and fixing a packaging shell for storing devices, and is convenient to pick up and store.
The chip is placed on the forming track 2, the guide legs at the two sides of the chip are basically higher than the top end of the pulley rotor 3, when the chip slides on the forming track 2, at least 2/3 guide legs are in contact with the side wall of the pulley rotor 3,
the specific operation method comprises the following steps:
the first step is as follows: measuring the center distance of the mounting holes of the printed board, and inquiring a manual to master the thickness, the width and the height of the body of the forming device; the second step is that: calculating and adjusting the distance between the pulley rotors; the third step: installing a forming rail matched with the width of the device body; the fourth step: placing the device to be formed on the top of the forming rail to ensure that the device body is flat with the rail without tilting; the fifth step: the finger presses the device body to slide down along the forming track, and the device body is formed by rotating the pulley rotor; and a sixth step: trial assembling the formed device and a printed board, and determining whether the sizes are matched; the seventh step: adjusting the size and the distance according to the trial assembly condition, and if the trial assembly condition can be successfully transferred, forming in batches; eighth step: and after the forming is finished, putting the tool into a special storage cabinet for storage.
The utility model discloses a pulley rotor realizes that DIP encapsulation chip leg draws takes shape with the track that takes shape, uses this frock shaping device leg draw atress even, and the angle of taking shape is controllable, and the leg root atress does not, and easy operation has the regulation and changes the function, and the DIP chip that is fit for different encapsulation sizes takes shape, and leg shaping quality reaches the requirement of relevant technical standard.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A DIP packaging chip pin forming tool is characterized by comprising a tool base (1), a forming track (2), a pulley rotor (3) and a pulley adjusting track (4), wherein the forming track (2), the pulley rotor (3) and the pulley adjusting track (4) are all fastened on the tool base (1),
the pulley rotor (3) is fixed on a pulley adjusting track (4), the pulley adjusting track (4) is arranged in a groove on the tool base (1), and the pulley adjusting track (4) can be transversely adjusted in the groove to adapt to the molding of chips with different widths;
the forming rail (2) is arranged between the two symmetrical pulley adjusting rails (4), the forming rail (2) is detachable on the tool base (1), the width of the forming rail (2) is matched with the size of a forming chip body, and the forming rail (2) is a trace rail for forming a device guide leg;
when the chip slides on the forming track (2) and slides across the pulley rotor (3), the chip is extruded by the pulleys on two sides, and the guide legs are uniformly stressed and are attached to the side wall of the pulley adjusting track (4).
2. The assembly according to claim 1, wherein the assembly base (1) is designed to be inclined at a downward slope angle ranging from 30 ° to 45 °.
3. The assembly of claim 1, wherein the roughness of the surface of the pulley rotor (3) is not higher than Ra0.1.
4. The assembly of claim 1, further comprising a housing-fixing groove (5) for mounting and fixing a housing for storing devices.
5. The assembly of claim 1, wherein the assembly base (1) is used as a carrier of a forming assembly and is made of an epoxy glass cloth plate.
6. The assembly of claim 1, wherein the cross-section of the forming rail (2) is T-shaped, and the side walls of the die pins are exposed by at least 2mm when the die pins are attached to the side walls of the pulley adjustment rail (4).
7. The assembly of claim 1, wherein the width of the pulley adjustment track (4) is the sum of the width of the chip body and twice the width of the leads.
8. The assembly of claim 1, wherein the die body is disposed on the molding rail (2), the pins on both sides of the die body form an angle of 30 ° to 60 ° with respect to the molding rail (2) in an initial state of the die, and after molding, the pins are in a parallel attachment state and attached to the side wall of the pulley adjustment rail (4) at a distance equal to the center distance of the mounting holes of the printed board, thereby realizing the mounting between the die and the printed board.
9. The assembly of claim 1, wherein the die is placed on the forming rail (2), and the roots of the leads on the two sides of the die are higher than the top of the pulley rotor (3).
10. The DIP package chip pin forming tool according to claim 1, wherein at least 2/3 long pins of the chip contact with the side wall of the pulley rotor (3) when the chip slides on the forming rail (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812635.XU CN210702240U (en) | 2019-05-31 | 2019-05-31 | DIP packaging chip pin forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812635.XU CN210702240U (en) | 2019-05-31 | 2019-05-31 | DIP packaging chip pin forming tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702240U true CN210702240U (en) | 2020-06-09 |
Family
ID=70962184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812635.XU Active CN210702240U (en) | 2019-05-31 | 2019-05-31 | DIP packaging chip pin forming tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702240U (en) |
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2019
- 2019-05-31 CN CN201920812635.XU patent/CN210702240U/en active Active
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