CN110252905B - Bending device of chip pin - Google Patents
Bending device of chip pin Download PDFInfo
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- CN110252905B CN110252905B CN201910687985.2A CN201910687985A CN110252905B CN 110252905 B CN110252905 B CN 110252905B CN 201910687985 A CN201910687985 A CN 201910687985A CN 110252905 B CN110252905 B CN 110252905B
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- bending
- seat
- clamping
- chip
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a bending device for a chip pin, which comprises a bending device, a jig frame and a clamping device, wherein a first clamping cutting edge is arranged on a chip mounting jig of the jig frame, a second clamping cutting edge is arranged on a clamping block of the clamping device, the pin of the chip to be bent is clamped between the two cutting edges through a pushing mechanism, and a rotary air cylinder is adopted to drive a bending plate to bend the pin of the chip.
Description
Technical Field
The invention relates to the technical field of chip assembly, in particular to a bending device for a chip pin.
Background
With the application of chips in high-precision equipment becoming more and more extensive, the requirement on the bending quality of chip pins becomes higher and higher. At present, pin bending is mostly finished manually, the precision and consistency are difficult to meet the use requirements, and some pin bending mechanisms are used for solving the problem, for example, a track bending mechanism of application number CN106825162A is used for bending the pins of the chip, the bending mechanism adopts a fixed sliding groove to control the bending angle and the shape, and the method has defects in the aspects of chip protection and pin coating protection.
Disclosure of Invention
The invention aims to provide a chip pin bending device aiming at the defects of the prior art, which adopts a first clamping cutting edge arranged on a chip mounting clamping fixture of a clamping device, a second clamping cutting edge arranged on a clamping block of the clamping device, a pin of a chip to be bent is clamped between the two cutting edges through a pushing mechanism, and a rotary air cylinder is adopted to drive a bending plate to bend the pin of the chip.
The specific technical scheme for realizing the purpose of the invention is as follows:
a bending device for a chip pin is characterized by comprising a bending device, a jig frame and a clamping device;
the bending device comprises a rack, a coupler, a bending plate, a main shaft, a rotary cylinder and an auxiliary shaft, wherein the rack is formed by a base plate and a vertical plate in an L shape, the vertical plate is provided with a main bearing seat, the outer side of the vertical plate is provided with a cylinder seat, the base plate is provided with an auxiliary bearing seat, a push rod seat, a guide rail seat and a mould seat, and the axes of the push rod seat, the guide rail seat and the mould seat are collinear and are parallel to the surface of the vertical plate;
the bending plate is a plate with a shaft hole at one end and a connecting plate at the other end;
the main shaft is arranged on the main bearing seat, the auxiliary shaft is arranged on the auxiliary bearing seat, and the auxiliary shaft is collinear with the axis of the main shaft and is vertical to the surface of the vertical plate;
the bending plate is arranged between the main shaft and the auxiliary shaft, a connecting disc of the bending plate is connected with the main shaft, and a shaft hole of the bending plate is hinged with the auxiliary shaft;
the rotary cylinder is arranged on the cylinder seat, and the coupler is arranged between an output shaft of the rotary cylinder and the main shaft.
The jig frame consists of a chip mounting jig and a pressing block, wherein the chip mounting jig is a chip seat provided with a recess and a frame member provided with a first clamping cutting edge on one side edge of the chip seat; the jig frame is arranged on a jig seat of the bending device through a die for mounting the sheet, and the pressing block is placed on the die for mounting the sheet.
The clamping device is composed of a linear guide rail, a clamping block and a pushing mechanism, the clamping block is a rectangular block of which the bottom is provided with a slideway, a second clamping cutting edge is arranged on one side edge of the clamping block, which is perpendicular to the slideway, and the clamping block is arranged on the linear guide rail through the slideway; the pushing mechanism is a component provided with a push rod and a handle on the push rod bracket.
The linear guide rail of the clamping device is arranged on the guide rail seat of the bending device, the push rod support of the pushing mechanism is arranged on the push rod seat of the bending device, and the push rod is connected with the clamping block.
And an arc surface is arranged on one side edge of the bending plate.
The handle is provided with a flange.
And the bottom of the second clamping cutting edge on the clamping block is provided with an arc chamfer.
According to the chip mounting jig, the first clamping cutting edge is arranged on the chip mounting jig of the jig frame, the second clamping cutting edge is arranged on the clamping block of the clamping device, the pin of the chip to be bent is clamped between the two cutting edges through the pushing mechanism, and the pin of the chip is bent by driving the bending plate through the rotary air cylinder.
The stress generated in the pin bending process is blocked by the second clamping cutting edge and the first clamping cutting edge, so that the stress is not transmitted to the chip. In the bending process, the surface of the bending plate is in surface contact with the pins of the chip, the bending angle is adjustable, and scratches or damage to the surfaces of the pins can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of section A-A of FIG. 1;
FIG. 3 is a schematic structural view of a bending apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of a bending plate according to the present invention;
FIG. 5 is a schematic structural view of a mounting fixture according to the present invention;
FIG. 6 is an enlarged view of a portion of the clamping block at B of FIG. 2;
fig. 7 is a schematic structural diagram of the pushing mechanism of the present invention.
Detailed Description
Referring to fig. 1 and 2, the present invention includes a bending apparatus 1, a jig frame 2 and a clamping apparatus 3,
referring to fig. 1 and 3, the bending device 1 is composed of a frame 11, a coupler 12, a bending plate 13, a main shaft 14, a rotary cylinder 15 and an auxiliary shaft 16; the machine frame 11 is formed by arranging a base plate and a vertical plate in an L shape, a main bearing seat 111 is arranged on the vertical plate, a cylinder seat is arranged on the outer side of the vertical plate, a sub bearing seat, a push rod seat 114, a guide rail seat 115 and a clamping fixture seat 116 are arranged on the base plate, and the axes of the push rod seat 114, the guide rail seat 115 and the clamping fixture seat 116 are collinear and are parallel to the surface of the vertical plate.
Referring to fig. 1, 3 and 4, the bending plate 13 is a plate having a shaft hole 131 at one end and a connecting plate 132 at the other end;
the main shaft 14 is arranged on the main bearing seat 111, the auxiliary shaft 16 is arranged on the auxiliary bearing seat, and the auxiliary shaft 16 is collinear with the axis of the main shaft 14 and the axis is vertical to the surface of the vertical plate;
the bending plate 13 is arranged between the main shaft 14 and the auxiliary shaft 16, the connecting disc 132 of the bending plate 13 is connected with the main shaft 14, and the shaft hole 131 of the bending plate 13 is hinged with the auxiliary shaft 16;
the rotary cylinder 15 is arranged on the cylinder seat, and the coupling 12 is arranged between an output shaft of the rotary cylinder 15 and the main shaft 14.
Referring to fig. 1, 2 and 5, the jig frame 2 is composed of a die-mounting jig 21 and a pressing block 22, the die-mounting jig 21 is a frame member having a recessed chip seat 212 and a first clamping cutting edge 211 formed on one side edge of the chip seat 212; the jig frame 2 is set on the jig base 116 of the bending apparatus 1 via the fitting jig 21, and the press block 22 is placed on the fitting jig 21.
Referring to fig. 1, 2 and 7, the clamping device 3 is composed of a linear guide rail 31, a clamping block 32 and a pushing mechanism 33;
the clamping block 32 is a rectangular block with a slideway at the bottom, a second clamping cutting edge 321 is arranged on one side edge of the clamping block 32 perpendicular to the slideway, and the clamping block 32 is arranged on the linear guide rail 31 through the slideway;
the pushing mechanism 33 is a push rod 332 and a handle 331 arranged on a push rod bracket 333;
the linear guide 31 of the clamping device 3 is arranged on the guide rail base 115 of the bending device 1, the push rod bracket 333 of the pushing mechanism 33 is arranged on the push rod base 114 of the bending device 1, and the push rod 332 is connected with the clamping block 32.
Referring to fig. 3 and 4, an arc surface 133 is disposed on one side of the bending plate 13.
Referring to fig. 1 and 7, the handle 331 is provided with a flange.
Referring to fig. 2 and 6, the bottom of the second clamping edge 321 on the clamping block 32 is provided with a rounded chamfer 323.
The invention is used as follows:
referring to fig. 1 and 2, the present invention is used for bending the pins of a chip, and during operation, a chip 4 to be bent is first placed on the chip seat 212 of the die-mounting jig 21 on the jig 2, such that the pin 41 of the chip to be bent is vertically downward and located between the first clamping edge 211 of the die-mounting jig 21 and the second clamping edge 321 of the clamping block 32, and the pressing block 22 is placed on the chip to keep the chip and the die-mounting jig 21 stable.
Referring to fig. 1, 2 and 7, the handle 331 of the pushing mechanism 33 is moved by the reverse-time needle plate to change the horizontal position of the handle 331 to the vertical position, at this time, the flange on the handle 331 presses the push rod 332 and the clamping block 32 to move right on the linear guide rail 31, the second clamping cutting edge 321 of the clamping block 32 is folded toward the first clamping cutting edge 211 of the die-loading jig 21, the pins of the chip to be bent are clamped, and the pins are attached to the plate surface of the bending plate 13.
At this time, the rotary cylinder 15 is started, the rotary cylinder 15 drives the coupler 12 and the main shaft 14 and drives the bending plate 13 to rotate clockwise, and the pin 41 of the chip 4 is bent in the horizontal direction by the plate surface of the bending plate 13.
After the bending is finished, the rotary cylinder 15 and the bending plate 13 are reset, the handle 331 of the pushing mechanism 33 is moved along the needle plate to enable the handle 331 to be changed from the vertical position to the horizontal position, at the moment, the flange on the handle 331 releases the pressing on the push rod 332, the clamping block 32 moves leftwards, the second clamping cutting edge 321 of the clamping block 32 is separated from the first clamping cutting edge 211 of the chip mounting clamping die 21, the pins 41 of the chip 4 are loosened, the chip 4 to be bent is reversely placed on the chip mounting clamping die 21 of the jig frame 2, and the pins 41 on the other side of the chip 4 are to be bent.
Referring to fig. 1 and 2, in order to protect the chip 4 and prevent the stress of the pins 41 of the chip 4 from being transmitted to the chip 4 during bending, the second clamping cutting edge 321 of the clamping block 32 and the first clamping cutting edge 211 of the chip mounting jig 21 are firstly folded to clamp the pins 41, then the pins 41 of the chip 4 are bent towards the horizontal direction by the surface of the bending plate 13, and the stress generated in the bending process is blocked by the second clamping cutting edge 321 and the first clamping cutting edge 211, so that the stress is not transmitted to the chip 4.
Referring to fig. 1, 2, and 4, in the bending process, the plate surface of the bending plate 13 is in surface contact with the pins 41 of the chip 4, and the surface of the pins 41 is not scratched or damaged. In addition, the upper edge of the bending plate 13 is designed to be the arc surface 133, so that the upper edge of the bending plate 13 is prevented from being scratched when being in contact with the bending part of the pin 41.
Referring to fig. 1 and 2, in order to stably reduce the number of chips to be bent, the chips to be bent are placed on the die assembly jig 21 of the jig frame 2, after the chips to be bent are placed on the die assembly jig 21, the pressing block 22 is placed on the chips, and the arrangement of the pressing block 22 not only ensures that the chips are placed on the die assembly jig 21 stably, but also avoids scratching the chips by adopting other pressing methods, and the pressing block 22 is very convenient to place and take back.
Referring to fig. 1, 2 and 3, the frame 11 of the present invention is formed by a base plate and a vertical plate in an "L" shape, wherein a main shaft 14 is disposed on a main bearing seat 111, an auxiliary shaft 16 is disposed on an auxiliary bearing seat, the axes of the auxiliary shaft 16 and the main shaft 14 are collinear, and the axes are perpendicular to the surface of the vertical plate; because the bending plate 13 is arranged between the main shaft 14 and the auxiliary shaft 16, for this reason, the bending plate 13 rotates around the axes of the auxiliary shaft 16 and the main shaft 14, in addition, the axes of the push rod seat 114, the guide rail seat 115 and the clamping fixture seat 116 are collinear and are parallel to the surface of the vertical plate, at this time, the axes of the auxiliary shaft 16 and the main shaft 14 are orthogonal to the axis formed by the push rod seat 114, the guide rail seat 115 and the clamping fixture seat 116, and after the clamping block 32 moves to the right on the linear guide rail 31, the gap between the second clamping cutting edge 321 of the clamping block 32 and the first clamping cutting edge 211 of the piece mounting clamping fixture 21 is ensured to be parallel to the axes of the auxiliary shaft 16 and the main shaft 14, thereby ensuring the flatness of bending a plurality of.
Referring to fig. 2 and 6, in the present invention, the bottom of the second clamping edge 321 on the clamping block 32 is provided with an arc chamfer 323, and the arc chamfer 323 is used to control the bending radius of the pin, so as to prevent the bent portion of the pin 41 from generating a right angle, thereby ensuring that the strength of the bent portion of the pin is not influenced by bending.
Claims (4)
1. A bending device for a chip pin is characterized by comprising a bending device (1), a jig frame (2) and a clamping device (3);
the bending device (1) is composed of a frame (11), a coupler (12), a bending plate (13), a main shaft (14), a rotary cylinder (15) and an auxiliary shaft (16);
the machine frame (11) is arranged in an L shape by a base plate and a vertical plate, a main bearing seat (111) is arranged on the vertical plate, a cylinder seat is arranged on the outer side of the vertical plate, a sub bearing seat, a push rod seat (114), a guide rail seat (115) and a clamping fixture seat (116) are arranged on the base plate, the axes of the push rod seat (114), the guide rail seat (115) and the clamping fixture seat (116) are collinear, and the axes are parallel to the surface of the vertical plate;
the bending plate (13) is a plate with a shaft hole (131) at one end and a connecting disc (132) at the other end;
the main shaft (14) is arranged on the main bearing seat (111), the auxiliary shaft (16) is arranged on the auxiliary bearing seat, and the auxiliary shaft (16) is collinear with the axis of the main shaft (14) and the axis is vertical to the surface of the vertical plate;
the bending plate (13) is arranged between the main shaft (14) and the auxiliary shaft (16), a connecting disc (132) of the bending plate (13) is connected with the main shaft (14), and a shaft hole (131) of the bending plate (13) is hinged with the auxiliary shaft (16);
the rotary cylinder (15) is arranged on the cylinder seat, and the coupling (12) is arranged between an output shaft of the rotary cylinder (15) and the main shaft (14);
the jig frame (2) is composed of a chip mounting jig (21) and a pressing block (22), the chip mounting jig (21) is a frame member provided with a sunken chip seat (212) and a first clamping cutting edge (211) at one side of the chip seat (212), the jig frame (2) is arranged on a jig seat (116) of the bending device (1) through the chip mounting jig (21), and the pressing block (22) is placed on the chip mounting jig (21);
the clamping device (3) is composed of a linear guide rail (31), a clamping block (32) and a pushing mechanism (33), the clamping block (32) is a rectangular block with a slideway at the bottom, a second clamping cutting edge (321) is arranged on one side edge, perpendicular to the slideway, of the clamping block (32), and the clamping block (32) is arranged on the linear guide rail (31) through the slideway;
the pushing mechanism (33) is a component provided with a push rod (332) and a handle (331) on a push rod support (333), a linear guide rail (31) of the clamping device (3) is arranged on a guide rail seat (115) of the bending device (1), the push rod support (333) of the pushing mechanism (33) is arranged on a push rod seat (114) of the bending device (1), and the push rod (332) is connected with the clamping block (32).
2. The device for bending the chip pins according to claim 1, wherein a circular arc surface (133) is arranged on one side of the bending plate (13).
3. The device for bending the chip pins according to claim 1, wherein the handle (331) is provided with a flange.
4. The device for bending the chip pins according to claim 1, wherein the bottom of the second clamping cutting edge (321) on the clamping block (32) is provided with a circular-arc chamfer (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687985.2A CN110252905B (en) | 2019-07-29 | 2019-07-29 | Bending device of chip pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910687985.2A CN110252905B (en) | 2019-07-29 | 2019-07-29 | Bending device of chip pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110252905A CN110252905A (en) | 2019-09-20 |
| CN110252905B true CN110252905B (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910687985.2A Active CN110252905B (en) | 2019-07-29 | 2019-07-29 | Bending device of chip pin |
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| Country | Link |
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| CN (1) | CN110252905B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331019B (en) * | 2020-03-06 | 2021-07-30 | 常熟理工学院 | Part bending method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202398741U (en) * | 2012-01-05 | 2012-08-29 | 健大电业制品（昆山）有限公司 | Pin bending jig |
| CN203955962U (en) * | 2014-07-14 | 2014-11-26 | 广州金升阳科技有限公司 | A kind of electronic devices and components pin apparatus for bending |
| CN205341744U (en) * | 2015-12-11 | 2016-06-29 | 武汉联特科技有限公司 | Automatic curved scissors pin device of optical device |
| CN206009671U (en) * | 2016-08-30 | 2017-03-15 | 苏州埃博斯电气有限公司 | A kind of high accuracy stitch apparatus for bending |
| WO2018076235A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳欣锐科技股份有限公司 | Transistor forming device |
| CN207615557U (en) * | 2017-11-28 | 2018-07-17 | 合肥华耀电子工业有限公司 | A kind of axial lead component forming frock |
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2019
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|---|---|
| CN110252905A (en) | 2019-09-20 |
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