CN220347365U - Cutting equipment for lead frame production - Google Patents
Cutting equipment for lead frame production Download PDFInfo
- Publication number
- CN220347365U CN220347365U CN202322149502.8U CN202322149502U CN220347365U CN 220347365 U CN220347365 U CN 220347365U CN 202322149502 U CN202322149502 U CN 202322149502U CN 220347365 U CN220347365 U CN 220347365U
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- plate
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- rotating disc
- lead frame
- cutter
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- 238000005520 cutting process Methods 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000013459 approach Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lead Frames For Integrated Circuits (AREA)
Abstract
The utility model discloses cutting equipment for lead frame production, which comprises a base, wherein a top plate is arranged at the top of the base, a driving device is arranged at the top of the top plate, a rotating disc of the driving device is rotationally connected with the top plate, an electric telescopic rod is arranged at the top of the rotating disc, the output end of the electric telescopic rod penetrates through the rotating disc and the top plate and is provided with a cutting device, a mounting plate of the cutting device is connected with the output end of the electric telescopic rod, a cutter is arranged at the bottom of the mounting plate, the cutting direction of the cutter can be changed through relative rotation between the rotating disc and the top plate, and meanwhile, the electric telescopic rod controls the cutting of the cutter; the base is provided with a fixing device, a bottom plate of the fixing device is used for fixing the lead frame through a screw transmission control sliding plate, a lower knife edge arranged on the surface of the bottom plate is communicated with a drawer of the base, and the lower knife edge can conveniently collect and clean dust and debris when providing a cutting space of a cutter.
Description
Technical Field
The utility model relates to the technical field of lead frame cutting production, in particular to cutting equipment for lead frame production.
Background
The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electric connection between an internal circuit lead-out end of the chip and an external lead by means of bonding materials and forming an electric loop, plays a role of a bridge connected with an external lead, and most of semiconductor integrated blocks need to use the lead frame, thus being an important basic material in the electronic information industry.
In the production process of lead frames, the whole lead frames need to be cut through cutting equipment, for example, a special cutting die for semiconductor lead frames with the publication number of CN217251970U comprises an upper die and a lower die, wherein a vertical cutter blade is movably arranged on the left side of the lower end of the upper die, a transverse cutter blade is movably arranged on the right side of the lower end of the upper die, a T-shaped rod is slidingly connected in a connecting cavity, a first spring is fixedly connected to the upper end of the T-shaped rod, and two groups of positioning blocks are respectively arranged around a cross abdicating groove.
However, in order to ensure different cutting directions, the cutting device is provided with two mutually perpendicular cutters at the upper part, when the cutting direction of the lead frame needs to be changed, the frame needs to be released from the fixing device and then is placed on another fixing device for cutting, and a plurality of steps are added when the cutting direction is changed; meanwhile, scraps generated by cutting of the cutter can enter the yielding groove, and scraps accumulation can occupy the space of the yielding groove, so that the cutting efficiency is affected.
Disclosure of Invention
The utility model aims to solve the problems that the cutting device in the background art is too complex in the step of changing the cutting direction and the scraps generated by cutting are difficult to clean, and provides a cutting device for lead frame production.
The aim of the utility model can be achieved by the following technical scheme:
a cut equipment for lead frame production, including the base, the top of base is provided with the backup pad, and the top of backup pad is connected with same roof, its characterized in that, the top of roof is provided with drive arrangement, drive arrangement includes:
the rotating disc is rotatably connected with the top plate, two stop blocks are arranged on the circumferential surface of the rotating disc, and limiting blocks are arranged on the circumferential surface of the top plate and can be in contact with the two stop blocks;
the output end of the electric telescopic rod is provided with a cutting device.
As a further scheme of the utility model: the included angle formed by the connecting line of the positions of the two stop blocks and the center of the rotating disc is 90 degrees.
As a further scheme of the utility model: the shape of the stop block is L-shaped.
As a further scheme of the utility model: the cutting device includes:
the mounting plate is connected with the output end of the electric telescopic rod, through holes are formed in four corners of the mounting plate, each through hole is slidably connected with a sliding column, and a cutter is arranged at the bottom of the mounting plate;
the two extrusion rods are connected with the bottoms of the two sliding columns, the two extrusion rods are arranged in parallel, and an extrusion spring is arranged between the extrusion rods and the mounting plate.
As a further scheme of the utility model: the top of the sliding column is provided with a limiting cap, and the projection area of the limiting cap along the direction of the mounting plate is larger than the area of the through hole.
As a further scheme of the utility model: the top of base is provided with fixing device, fixing device includes:
the top of the bottom plate is provided with a screw rod and a sliding rod, the surface of the bottom plate is provided with two lower knife edges which are mutually vertical, and the positions of the lower knife edges are matched with the cutter;
the two movable plates are sleeved on the surfaces of the screw rod and the sliding rod, and one opposite surfaces of the two movable plates are elastically connected with the extrusion plate.
As a further scheme of the utility model: the drawer is arranged in the base and is communicated with the lower knife edge.
The utility model has the beneficial effects that:
(1) According to the cutting equipment for lead frame production, the cutting device is arranged, when the lead frame is cut by the cutting device in a cutting mode, the extrusion rods on two sides can be in contact with the lead frame in advance to be fixed, and the cutter can cut the lead frame more smoothly;
(2) According to the cutting equipment for lead frame production, the driving device is arranged, the rotating disc of the driving device can drive the cutter to rotate, so that the cutting direction of the cutter on the lead frame can be changed, and the limiting piece is arranged to enable the rotating disc to adjust the cutter more conveniently;
(3) According to the cutting equipment for lead frame production, the fixing device is arranged, the fixing device is used for fixing the extrusion plates on two sides through the screw rod, meanwhile, the lower knife edge arranged on the bottom plate is used for providing a cutting space of the cutter, and meanwhile dust and debris can enter the drawer of the base along with the lower knife edge, so that dust and debris can be cleaned conveniently, and the working efficiency of cutting is prevented from being influenced.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a front view of a cutting apparatus for lead frame production of the present utility model;
fig. 2 is a partial enlarged view of a cutting apparatus for lead frame production of the present utility model;
fig. 3 is a side view of a cutting apparatus for leadframe production of the present utility model;
fig. 4 is a top view of a cutting apparatus for leadframe production of the present utility model;
fig. 5 is a schematic structural view of the fixing device of the present utility model.
In the figure: 1. a base; 2. a support plate; 3. a top plate; 4. a driving device; 41. a rotating disc; 42. an electric telescopic rod; 43. a limiting block; 44. a stop block; 5. a cutting device; 51. a mounting plate; 52. a cutter; 53. a guide post; 54. extruding a spring; 55. a limit cap; 56. an extrusion rod; 6. a fixing device; 61. a bottom plate; 62. a fixing plate; 63. a moving plate; 64. an extrusion plate; 65. a motor; 66. a screw rod; 67. a fixed spring; 68. a lower knife edge; 69. a slide bar; 7. and a drawer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model discloses a cutting device for lead frame production, which comprises a base 1, wherein the top of the base 1 is connected with two square support plates 2, one side of the two support plates 2 far away from the base 1 is connected with a same circular top plate 3, the top of the top plate 3 is rotatably connected with a driving device 4, a rotating disc 41 of the driving device 4 is rotatably connected with the circular top plate 3, the top of the rotating disc 41 is provided with an electric telescopic rod 42, the output end of the electric telescopic rod 42 penetrates through the axial center of the top plate 3 of the rotating disc 41, the circumferential surface of the top plate 3 is fixedly connected with two stop blocks 44, the connecting line included angle between the two stop blocks 44 and the axial center of the top plate 3 is 90 degrees, the circumferential surface of the rotating disc 41 is fixedly connected with a limiting block 43, in the process of relative rotation between the top plate 3 and the rotating disc 41, the limiting block 43 can be contacted with the surface of the stop blocks 44, the output end of the electric telescopic rod 42 is connected with a cutting device 5, a mounting plate 51 of the cutting device 5 is fixedly connected with the output end of the electric telescopic rod 42, the bottom of the mounting plate 51 is provided with a cutter 52, four corners of the mounting plate 51 are respectively provided with through holes, each through holes 51 is provided with a guide post 56, two guide posts 53 are slidably connected with two compression posts 56, two compression posts 56 are slidably arranged at the bottom of the guide posts 53 are arranged, and are provided with compression posts 56, and the compression posts 56 are arranged in parallel to the compression posts 56 are arranged at the bottom the compression posts 53, and 53 are arranged.
When the lead frame is cut by the cutting device, the rotating disc 41 can drive the mounting plate 51 to rotate through the output end of the electric telescopic rod 42 by rotating the rotating disc 41, so that the cutting direction of the cutting knife 52 can be rotated, the limiting block 43 and the stop block 44 are arranged on the circumferential surfaces of the rotating disc 41 and the top plate 3, and the cutting knife 52 is already at the cutting position when the rotating disc 41 and the top plate 3 cannot rotate relatively; when the cutting device 5 cuts, the output end of the electric telescopic rod 42 starts to extend downwards, the output end drives the cutter 52 to approach the lead frame below, the extrusion rods 56 on two sides are in contact with the surface of the lead frame before the cutter 52 approaches the lead frame, along with the continuous extension of the output end of the electric telescopic rod 42, the extrusion springs 54 between the extrusion rods 56 compress, the guide posts 53 slide in the mounting plate 51, and meanwhile the extrusion rods 56 extrude and fix the lead frame, so that the cutter 52 can cut the lead frame more smoothly.
Wherein, the projection area of the limit cap 55 along the direction of the mounting plate 51 is larger than the area of the through hole, so that the sliding of the guide post 53 can not separate from the mounting plate 51; the stop block 44 is in an L shape, so that no friction exists between the stop block 44 and the rotating disc 41 during the rotation process of the top plate 3 and the rotating disc 41, and the rotation of the rotating disc 41 is not affected.
The top of base 1 is provided with fixing device 6, fixing device 6 is located the cutting device 5 under, fixing device 6's bottom plate 61 sets up at the top of base 1, both sides of bottom plate 61 all fixedly connected with fixed plate 62, the surface of one side fixed plate 62 is provided with motor 65, fixed plate 62 is worn to establish by the output of motor 65, the output fixedly connected with lead screw 66 of motor 65, the one end and the opposite side fixed plate 62 rotatable coupling of opposite side fixed plate 62 of lead screw 66 keeping away from motor 65, be provided with slide bar 69 between the fixed plate 62 of both sides, slide bar 69's position and lead screw 66 are about the central symmetry setting of bottom plate 61, be provided with two movable plates 63 between the fixed plate 62 of both sides, lead screw 66 and slide bar 69 wear to establish two movable plates 63, lead screw 66 and slide bar 69 pass through threaded connection, can drive both sides movable plate 63 to the opposite direction motion when lead screw 66 rotates, both sides movable plate 63 opposite one side all is provided with fixed spring 67, the other end connection of fixed plate 64 fixed plate 62 of fixed plate 68 of fixed spring 67 has the mutually perpendicular's under the center position of cutting edge 68, the position and the upper and lower cutting edge 5 of a knife edge 68 corresponds to the cavity 7 of drawer 7, the lower cutting device is provided with the cavity 7, the cavity 7 is connected with the lower cutting edge of drawer 5.
When the fixing device 6 fixes the lead frame, the lead frame is placed on the top of the bottom plate 61, then the motor 65 operates, the motor 65 drives the screw rod 66 to rotate, so that the moving plates 63 on two sides are driven to approach each other until the pressing plate 64 contacts the lead frame, the fixing spring 67 is compressed to enable the lead frame to be fixed on the top of the bottom plate 61 by the pressing plate 64, then the cutter 52 of the cutting device 5 cuts the lead frame, the cutter 52 enters the lower cutter edge 68, the lower cutter edge 68 provides a moving space for the cutter 52, and meanwhile the cutter 52 can bring cut scraps into the drawer 7 of the base 1 through the lower cutter edge 68.
The working principle of the utility model is as follows: according to the cutting equipment for lead frame production, the cutting device 5 is arranged, when the lead frame is cut by the cutting device 5 in a cutting mode, the extrusion rods 56 on two sides can be in contact with the lead frame in advance for fixing, and the cutter 52 can cut the lead frame more smoothly; by arranging the driving device 4, the rotating disc 41 of the driving device 4 can drive the cutting device 5 to rotate, so that the cutting direction of the cutter 52 on the lead frame can be changed, and the arrangement of the limiting block 43 and the stop block 44 is more convenient for adjusting the cutter 52 by the rotating disc 41; through having set up fixing device 6, fixing device 6 is fixed it through the stripper plate 64 of lead screw 66 control both sides, and the lower edge 68 that bottom plate 61 set up simultaneously is when providing cutter 52 cutting space, also can let dust and debris enter into the drawer 7 of base 1 along with lower edge 68, makes things convenient for the clearance of dust and debris to avoid influencing the work efficiency of cutting.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (7)
1. Cutting equipment for lead frame production, including base (1), the top of base (1) is provided with backup pad (2), and the top of backup pad (2) is connected with same roof (3), its characterized in that, the top of roof (3) is provided with drive arrangement (4), drive arrangement (4) include:
the rotating disc (41) is rotatably connected with the top plate (3), two stop blocks (44) are arranged on the circumferential surface of the rotating disc (41), a limiting block (43) is arranged on the circumferential surface of the top plate (3), and the limiting block (43) can be in contact with the two stop blocks (44);
and the output end of the electric telescopic rod (42) is provided with a cutting device (5) by penetrating the rotating disc (41) and the top plate (3).
2. Cutting apparatus for the production of leadframes according to claim 1, wherein the two stops (44) are positioned at an angle of 90 degrees to the centre line of the rotating disc (41).
3. The cutting apparatus for leadframe production according to claim 1, characterized in that the shape of the stop (44) is "L" -shaped.
4. Cutting apparatus for the production of leadframes according to claim 1, wherein the cutting device (5) comprises:
the mounting plate (51) is connected with the output end of the electric telescopic rod (42), through holes are formed in four corners of the mounting plate (51), guide posts (53) are slidably connected to each through hole, and a cutter (52) is arranged at the bottom of the mounting plate (51);
the two extrusion rods (56), the extrusion rods (56) are connected with the bottoms of the two guide posts (53), the two extrusion rods (56) are arranged in parallel, and an extrusion spring (54) is arranged between the extrusion rods (56) and the mounting plate (51).
5. The cutting apparatus for lead frame production according to claim 4, wherein the top of the guide post (53) is provided with a limit cap (55), and a projected area of the limit cap (55) along the mounting plate (51) direction is larger than an area of the through hole.
6. Cutting apparatus for the production of leadframes according to claim 1, wherein the top of the base (1) is provided with fixing means (6), the fixing means (6) comprising:
the top of the bottom plate (61) is provided with a screw rod (66) and a sliding rod (69), the surface of the bottom plate (61) is provided with two mutually perpendicular lower knife edges (68), and the positions of the lower knife edges (68) are matched with the cutter (52);
and two moving plates (63) which are sleeved on the surfaces of the screw rod (66) and the sliding rod (69), and one opposite surface of each moving plate (63) is elastically connected with a squeezing plate (64).
7. Cutting apparatus for the production of leadframes according to claim 6, wherein a drawer (7) is provided inside the base (1), the drawer (7) being in communication with the lower edge (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322149502.8U CN220347365U (en) | 2023-08-10 | 2023-08-10 | Cutting equipment for lead frame production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322149502.8U CN220347365U (en) | 2023-08-10 | 2023-08-10 | Cutting equipment for lead frame production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220347365U true CN220347365U (en) | 2024-01-16 |
Family
ID=89504123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322149502.8U Active CN220347365U (en) | 2023-08-10 | 2023-08-10 | Cutting equipment for lead frame production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220347365U (en) |
-
2023
- 2023-08-10 CN CN202322149502.8U patent/CN220347365U/en active Active
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