CN218486929U

CN218486929U - Bending and cutting device of LED lead frame

Info

Publication number: CN218486929U
Application number: CN202222665638.XU
Authority: CN
Inventors: 黄平; 廖达新; 饶家平
Original assignee: Shenzhen Wanxingrui Technology Co ltd
Current assignee: Shenzhen Wanxingrui Technology Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-02-17
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a bending and cutting device of an LED lead frame, which comprises a base, wherein a first bracket is arranged on one side of the top of the base, a box body is arranged on the top of the first bracket, a cutting component is arranged in the box body, and a supporting plate is arranged on the top of the box body; the top of the base is provided with a support column, the top of the support column is provided with a disc, the center of the front surface of the disc is provided with a column body, and the column body and the support plate are arranged at the same height; the utility model discloses a set up and press the subassembly, can be when bending and cutting the lead frame, fix the lead frame, give like this and bend and cut and drive the facility, improve the stability man-hour, simultaneously, the device will press subassembly, cutting assembly and the reasonable integration of the subassembly of bending together, can cut and bend the lead frame simultaneously, improved the machining efficiency and the convenient degree of lead frame.

Description

Bending and cutting device of LED lead frame

Technical Field

The utility model relates to a lead frame processing equipment technical field specifically is a LED lead frame bend and cutting device.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electrical connection between a lead-out end of an internal circuit of a chip and an external lead by means of a bonding material to form an electrical circuit, plays a role of a bridge connected with an external lead, needs to use the lead frame in most semiconductor integrated blocks, and is an important basic material in the electronic information industry.

Chinese patent No.: CN202022119822.5 has proposed a LED lead frame bending device, comprising a main body, the intermediate position department of the inside bottom of main part is provided with the supporting seat, the cylinder is installed to the intermediate position department of main part one side, the output of cylinder is provided with the fixed block, the fixed block is inside to be kept away from one side of cylinder is provided with the fixed slot, the top of fixed slot is provided with the support frame, the top of support frame is provided with the adjustable shelf that runs through to the fixed slot is inside. The utility model discloses an inside rotation hole of movable block takes place to rotate with the axis of rotation, makes second bending plate and first bending plate take place to rotate, and the external screw thread through the inside screw hole of fixation nut and the axis of rotation outside mutually supports, carries on spacingly to second bending plate and first bending plate, adjusts the angle of second bending plate and first bending plate, can carry out bending of different angles to the LED lead frame, makes bending device's result of use better, has improved bending device's practicality.

However, the above patent has some defects, and the above patent only has a function of bending the lead frame, but the lead frame still needs to be cut during processing, the two functions of bending and cutting are not convenient to be integrated by the existing equipment, and during processing, the two groups of equipment with different functions need to be switched to and fro for use, so that the processing efficiency of the LED lead frame is reduced, and therefore, a bending and cutting device of the LED lead frame needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lead frame bend and cutting device, the advantage that possesses to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bending and cutting device for an LED lead frame comprises a base, wherein a first support is installed on one side of the top of the base, a box body is installed on the top of the first support, a cutting assembly is installed inside the box body, and a supporting plate is installed on the top of the box body;

the top of the base is provided with a support column, the top of the support column is provided with a disc, the center of the front surface of the disc is provided with a column body, and the column body and the support plate are arranged at the same height;

a second support is arranged on the top of the base and on one side far away from the first support, a top plate is arranged on the top of the second support, and a pressing assembly is arranged on the bottom of the top plate and above the supporting plate;

and a bending component is arranged at the bottom of the top plate and at one side far away from the pressing component.

Preferably, the cutting assembly comprises a partition plate and a cutting machine, the partition plate is installed inside the box body, a fixed seat is installed at the bottom of the cutting machine, and the bottom of the fixed seat is attached to the top of the partition plate.

Preferably, a connecting rod is installed on one side of the fixing seat, a first sliding sleeve is installed at one end of the connecting rod, a first sliding rod is inserted into the first sliding sleeve in a sliding mode, and two ends of the first sliding rod are fixed to the inner wall of the box body.

Preferably, the top of the supporting plate is provided with a cutting groove matched with the cutting end of the cutting machine, and the cutting end of the cutting machine extends to the inside of the cutting groove.

Preferably, the ejector pin is installed to the bottom of fixing base, the bottom of ejector pin slides and runs through the baffle and install first runner, branch is installed to box inner chamber's bottom, the top of branch is rotated and is installed the wane, the bottom of first runner is laminated with one side at wane top.

Preferably, the pressing assembly comprises a first electric push rod, the first electric push rod is installed at the bottom of the top plate, a fixing frame is installed at the telescopic end of the first electric push rod, pressing plates are installed on two sides of the bottom of the fixing frame, and the pressing plates are located above the supporting plates.

Preferably, the assembly of bending includes supporting mechanism, supporting mechanism includes the sleeve, both sides around the roof bottom are installed respectively to the sleeve, telescopic internally mounted has the second slide bar, the surface slip of second slide bar has cup jointed the second sliding sleeve, the second sliding sleeve is kept away from the one end of second slide bar and is slided and extend to telescopic outside, the second sliding sleeve is kept away from the one end of second slide bar and is installed second electric putter, the second runner is installed to second electric putter's flexible end.

Preferably, the casing is installed to telescopic inboard, the internally mounted of casing has the motor, one side of casing inner chamber is rotated and is installed the screw rod, be provided with the gear train between motor and the screw rod, the output shaft of motor passes through the surface transmission of gear train and screw rod and is connected.

Preferably, one end of the screw rod rotates and extends to the outside of the shell and is rotatably provided with a fixing plate, the front side and the rear side of the fixing plate are fixed on the surface of the sleeve, the surface thread of the screw rod is sleeved with a threaded sleeve, and the bottom of the threaded sleeve is connected with the surface of the second sliding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a bottom of second runner 28 is pressed the top of lead frame, and the one end of keeping away from backup pad 4 through pressing the lead frame begins to bend downwards, according to the difference of cylinder 7, can bend the lead frame into different shapes to reach the purpose of bending, through setting up cutting assembly, can be nimble cut the lead frame, improved convenient degree.

2. The utility model discloses a set up and press the subassembly, can be when bending and cutting the lead frame, fix the lead frame, give like this and bend and cut and drive the facility, improve the stability man-hour, simultaneously, the device will press subassembly, cutting assembly and the reasonable integration of the subassembly of bending together, can cut and bend the lead frame simultaneously, improved the machining efficiency and the convenient degree of lead frame.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a front sectional view of the case of the present invention;

fig. 3 is a schematic perspective view of the support plate of the present invention;

FIG. 4 is a top sectional view of the housing of the present invention;

fig. 5 is a schematic side view of the screw sleeve of the present invention.

In the figure: 1. a base; 2. a first bracket; 3. a box body; 4. a support plate; 5. a pillar; 6. a disc; 7. a cylinder; 8. a second bracket; 9. a top plate; 10. a partition plate; 11. a cutter; 12. a connecting rod; 13. a first sliding sleeve; 14. a first slide bar; 15. cutting a groove; 16. a top rod; 17. a first runner; 18. a strut; 19. a seesaw; 20. a first electric push rod; 21. a fixed mount; 22. pressing a plate; 23. a support mechanism; 24. a sleeve; 25. a second slide bar; 26. a second sliding sleeve; 27. a second electric push rod; 28. a second runner; 29. a housing; 30. a motor; 31. a screw; 32. a fixing plate; 33. a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bending and cutting device for an LED lead frame comprises a base 1, wherein a first support 2 is installed on one side of the top of the base 1, a box body 3 is installed on the top of the first support 2, a cutting assembly is installed inside the box body 3, and a supporting plate 4 is installed on the top of the box body 3; through setting up first support 2 for support box 3.

A support post 5 is arranged at the top of the base 1, a disc 6 is arranged at the top of the support post 5, a column body 7 is arranged at the center of the front surface of the disc 6, and the column body 7 and the support plate 4 are arranged at the same height; scale lines for displaying angles are engraved on the periphery of the front surface of the disc 6, and scale lines for displaying distances are transversely engraved on the front surface.

Further, the cylinder 7 is used as a model of an inner corner of the lead frame when being bent, and the shape of the cylinder 7 can be modified and replaced according to the processing requirements of the lead frame.

A second support 8 is arranged at the top of the base 1 and on one side far away from the first support 2, a top plate 9 is arranged at the top of the second support 8, and a pressing assembly is arranged at the bottom of the top plate 9 and above the supporting plate 4; and a bending component is arranged at the bottom of the top plate 9 and at one side far away from the pressing component. The second support 8 is provided for supporting and fixing the top plate 9.

The pressing assembly comprises a first electric push rod 20, the first electric push rod 20 is installed at the bottom of the top plate 9, a fixing frame 21 is installed at the telescopic end of the first electric push rod 20, pressing plates 22 are installed on two sides of the bottom of the fixing frame 21, and the pressing plates 22 are located above the supporting plate 4. When bending, the LED lead frame to be processed is placed at the top of the supporting plate 4, then the first electric push rod 20 is started, the telescopic end of the first electric push rod 20 presses the lead frame through the fixing frame 21 and the pressing plate 22, so that the lead frame is fixed at the top of the supporting plate 4, and fixing work before bending is completed.

The bending assembly comprises a supporting mechanism 23, the supporting mechanism 23 comprises a sleeve 24, the sleeve 24 is respectively installed on the front side and the rear side of the bottom of the top plate 9, a second sliding rod 25 is installed inside the sleeve 24, a second sliding sleeve 26 is sleeved on the surface of the second sliding rod 25 in a sliding mode, one end, far away from the second sliding rod 25, of the second sliding sleeve 26 slides and extends to the outside of the sleeve 24, a second electric push rod 27 is installed at one end, far away from the second sliding rod 25, of the second sliding sleeve 26, and a second rotating wheel 28 is installed at the telescopic end of the second electric push rod 27. The supporting mechanism 23 is used for supporting the second electric push rod 27 and facilitating the movement of the second electric push rod 27.

A shell 29 is installed on the inner side of the sleeve 24, a motor 30 is installed inside the shell 29, a screw 31 is rotatably installed on one side of the inner cavity of the shell 29, a gear set is arranged between the motor 30 and the screw 31, and an output shaft of the motor 30 is in transmission connection with the surface of the screw 31 through the gear set. One end of the screw 31 is rotatably extended to the outside of the housing 29 and is rotatably provided with a fixing plate 32, the front side and the rear side of the fixing plate 32 are both fixed with the surface of the sleeve 24, the surface of the screw 31 is in threaded sleeve connection with a threaded sleeve 33, and the bottom of the threaded sleeve 33 is connected with the surface of the second sliding sleeve 26. By starting the motor 30, the output shaft of the motor 30 drives the screw 31 to rotate, and the screw 31 drives the threaded sleeve 33 to move.

The screw sleeve 33 drives the second sliding sleeve 26 to move on the surface of the second sliding rod 25, meanwhile, the second sliding sleeve 26 drives the second electric push rod 27 to move, the second electric push rod 27 drives the second rotating wheel 28 to move to the position above the lead frame fixed by the pressing plate 22, the second electric push rod 27 is started, the telescopic end of the second electric push rod 27 drives the second rotating wheel 28 to move, at this time, the bottom surface of the lead frame is in contact with the surface of the cylinder 7, the top of the lead frame is pressed by the bottom of the second rotating wheel 28, one end of the lead frame, which is far away from the supporting plate 4, is pressed to start bending downwards, and according to different cylinders 7, the lead frame can be bent into different shapes, so that the purpose of bending is achieved.

Cutting assembly includes baffle 10 and cutting machine 11, and the inside at box 3 is installed to baffle 10, and the fixing base is installed to cutting machine 11's bottom, and the bottom of fixing base is laminated with the top of baffle 10. The fixing seat is used for supporting and fixing the cutting machine 11.

A connecting rod 12 is installed on one side of the fixed seat, a first sliding sleeve 13 is installed at one end of the connecting rod 12, a first sliding rod 14 is inserted in the first sliding sleeve 13 in a sliding mode, and two ends of the first sliding rod 14 are fixed to the inner wall of the box body 3. When the cutting machine 11 drives the fixed seat to move, the fixed seat drives the first sliding sleeve 13 to move on the surface of the first sliding rod 14 through the connecting rod 12, so that the moving track of the cutting machine 11 can be limited, and the stability during cutting is improved.

The cutting groove 15 that looks adaptation is held with cutting 11 is seted up at the top of backup pad 4, and cutting 11's cutting end extends to the inside of cutting groove 15. Through setting up cutting groove 15, can make things convenient for cutting end of cutting machine 11 to pass backup pad 4, cut the lead frame of fixing on backup pad 4 surface.

Further, ejector pin 16 is installed to the bottom of fixing base, and the bottom of ejector pin 16 slides and runs through baffle 10 and install first runner 17, and branch 18 is installed to the bottom of 3 inner chambers of box, and the top of branch 18 is rotated and is installed wane 19, and the bottom of first runner 17 is laminated with one side at wane 19 top. When cutting, the cutting machine 11 is started, then one end of the warping plate 19 is pressed, the other end of the warping plate 19 is opened, the first rotating wheel 17 is moved upwards and pushed to move upwards, the first rotating wheel 17 pushes the fixed seat and the cutting machine 11 to move upwards through the ejector rod 16, the cutting end of the cutting machine 11 extends to the outside of the cutting groove 15 to cut the lead frame, and therefore the cutting work of the LED lead frame is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a LED lead frame bend and cutting device, includes base (1), its characterized in that: a first support (2) is installed on one side of the top of the base (1), a box body (3) is installed on the top of the first support (2), a cutting assembly is installed inside the box body (3), and a supporting plate (4) is installed on the top of the box body (3);

the top of the base (1) is provided with a support column (5), the top of the support column (5) is provided with a disc (6), the center of the front surface of the disc (6) is provided with a column body (7), and the column body (7) and the support plate (4) are arranged at the same height;

a second support (8) is arranged on the top of the base (1) and on one side far away from the first support (2), a top plate (9) is arranged on the top of the second support (8), and a pressing assembly is arranged on the bottom of the top plate (9) and above the supporting plate (4);

and a bending component is arranged at the bottom of the top plate (9) and at one side far away from the pressing component.

2. The bending and cutting device for the LED lead frame according to claim 1, characterized in that: the cutting assembly comprises a partition plate (10) and a cutting machine (11), the partition plate (10) is installed inside the box body (3), a fixing seat is installed at the bottom of the cutting machine (11), and the bottom of the fixing seat is attached to the top of the partition plate (10).

3. The bending and cutting device for the LED lead frame according to claim 2, wherein: a connecting rod (12) is installed on one side of the fixing seat, a first sliding sleeve (13) is installed at one end of the connecting rod (12), a first sliding rod (14) is inserted into the first sliding sleeve (13) in a sliding mode, and two ends of the first sliding rod (14) are fixed to the inner wall of the box body (3).

4. The bending and cutting device for the LED lead frame according to claim 3, wherein: the top of backup pad (4) is seted up and is cut groove (15) with cutting machine (11) cutting end looks adaptation, the cutting end of cutting machine (11) extends to the inside of cutting groove (15).

5. The bending and cutting device for the LED lead frame according to claim 2, characterized in that: ejector pin (16) are installed to the bottom of fixing base, the bottom of ejector pin (16) slides and runs through baffle (10) and install first runner (17), branch (18) are installed to the bottom of box (3) inner chamber, the top of branch (18) is rotated and is installed wane (19), the bottom of first runner (17) is laminated with one side at wane (19) top.

6. The bending and cutting device for the LED lead frame according to claim 1, wherein: the pressing assembly comprises a first electric push rod (20), the first electric push rod (20) is installed at the bottom of the top plate (9), a fixing frame (21) is installed at the telescopic end of the first electric push rod (20), pressing plates (22) are installed on two sides of the bottom of the fixing frame (21), and the pressing plates (22) are located above the supporting plate (4).

7. The bending and cutting device for the LED lead frame according to claim 1, wherein: the subassembly of bending includes supporting mechanism (23), supporting mechanism (23) includes sleeve (24), both sides around roof (9) bottom are installed respectively in sleeve (24), the internally mounted of sleeve (24) has second slide bar (25), second sliding sleeve (26) have been cup jointed in the surface slip of second slide bar (25), the outside that the one end that second slide bar (25) were kept away from in second sliding sleeve (26) slides and extends to sleeve (24), second electric putter (27) are installed to the one end that second slide bar (25) were kept away from in second sliding sleeve (26), second runner (28) are installed to the flexible end of second electric putter (27).

8. The bending and cutting device for the LED lead frame according to claim 7, wherein: casing (29) are installed to the inboard of sleeve (24), the internally mounted of casing (29) has motor (30), screw rod (31) are installed in one side rotation of casing (29) inner chamber, be provided with the gear train between motor (30) and screw rod (31), the output shaft of motor (30) passes through the gear train and is connected with the surface transmission of screw rod (31).

9. The bending and cutting device for the LED lead frame according to claim 8, wherein: the outside that extends to casing (29) is rotated to the one end of screw rod (31) and rotates and install fixed plate (32), the front and back both sides of fixed plate (32) all with the fixed surface of sleeve (24), the surperficial screw thread of screw rod (31) has cup jointed swivel nut (33), the bottom of swivel nut (33) and the surface connection of second sliding sleeve (26).