CN221270434U - Lead frame cutting clamping device - Google Patents

Abstract

The utility model provides a lead frame cutting and clamping device, and belongs to the technical field of lead frame processing. The lead frame cutting and clamping device comprises a workbench and a blade, wherein the top of the workbench is fixedly connected with a fixed plate, a clamping mechanism is arranged on the fixed plate, the clamping mechanism comprises an air cylinder, a pushing block, a sliding block, a rotating rod and a clamping plate, and the air cylinder is fixedly connected to one side of the fixed plate; the pushing block is fixedly connected with the telescopic end of the air cylinder, and is in sliding connection with the fixed plate; the sliding block is in sliding connection with the fixed plate; the rotating rod is rotationally connected with the pushing block and the sliding block; clamping plate and sliding block fixed connection, through starting the cylinder, the flexible end of cylinder drives the ejector pad and moves forward, and the ejector pad drives the bull stick and rotates, and the bull stick drives the sliding block and is close to each other, and then drives clamping plate and gripping head and be close to each other, and it is fixed to carry out the centre gripping to lead frame, has avoided taking place the skew in the cutting process, has improved the precision of cutting.

Description

Lead frame cutting clamping device

Technical Field

The utility model relates to the technical field of lead frame processing, in particular to a lead frame cutting and clamping device.

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 (gold wires, aluminum wires and copper wires) to form an electric loop, and plays a role of a bridge connected with an external lead.

In the processing production process of cutting the lead frame, the lead frame needs to be clamped, the lead frame is generally clamped manually in the existing mode, the stability is not strong, shaking or shifting is easy to occur in the cutting process, and the cutting precision is reduced, so that the lead frame cutting clamping device is provided, and the problems are solved.

Disclosure of utility model

In order to overcome the above disadvantages, the present utility model provides a lead frame cutting clamping device that overcomes or at least partially solves the above-described technical problems.

The utility model provides a lead frame cutting and clamping device, which comprises

Workstation and blade, the top fixedly connected with fixed plate of workstation, be provided with fixture on the fixed plate, fixture includes

The air cylinder is fixedly connected to one side of the fixed plate;

The pushing block is fixedly connected with the telescopic end of the air cylinder and is in sliding connection with the fixed plate;

The sliding block is in sliding connection with the fixed plate;

The rotating rod is rotationally connected with the pushing block and the sliding block;

And the clamping plate is fixedly connected with the sliding block.

In a preferred scheme, the inboard fixedly connected with gripping head of grip block, the inboard fixedly connected with rubber pad of gripping head.

In a preferred scheme, first spout has been seted up to one side of fixed plate, the inner wall sliding connection of ejector pad and first spout, the second spout has been seted up to the inside of fixed plate, the lateral wall fixedly connected with connecting plate of ejector pad, connecting plate and the inner wall sliding connection of second spout.

In a preferred scheme, a third chute is formed in the side wall of the fixed plate, and the sliding block is in sliding connection with the inner wall of the third chute.

In a preferred scheme, adjustment mechanism is provided with above the workstation, adjustment mechanism includes the slide rail, the inner wall fixedly connected with pinion rack of slide rail.

In a preferred scheme, slide rail sliding connection has first slider, the lateral wall fixedly connected with first motor of first slider, the output fixedly connected with first pivot of first motor, the outer wall fixedly connected with gear of first pivot, the gear is connected with the pinion rack meshing.

In a preferred scheme, the top fixedly connected with mount pad of first slider, the top fixedly connected with second motor of mount pad, the output fixedly connected with second pivot of second motor, second pivot and blade fixed connection.

In a preferred scheme, the top of workstation is seted up flutedly, the rear side fixedly connected with of workstation third motor.

In a preferred scheme, the output fixedly connected with threaded rod of third motor, threaded rod passes through the bearing with the workstation and rotates to be connected, the inner wall fixedly connected with gag lever post of recess, threaded rod threaded connection has the third slider, third slider and gag lever post sliding connection, the top of third slider and the bottom fixed connection of slide rail.

The utility model provides a lead frame cutting and clamping device, which has the beneficial effects that:

1. Through starting the cylinder, the telescopic end of cylinder drives the ejector pad and moves forward, and the ejector pad drives the bull stick and rotates, and the bull stick drives the slider and is close to each other, and then drives grip block and gripping head and be close to each other, and it is fixed to carry out the centre gripping to lead frame, has avoided taking place the skew in cutting process, has improved the precision of cutting.

2. Through starting first motor, the output of first motor drives first pivot and rotates, and first pivot drives the gear and rotates, because gear and pinion rack meshing are connected, and then drive first slider and slide along the slide rail, and then adjust the front and back position of blade, can adjust the position of blade according to lead frame's cutting position.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art;

FIG. 1 is a perspective view of an overall structure provided by an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of a fixing plate according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a sliding rail and a first sliding block according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a first slider according to an embodiment of the present utility model;

In the figure: 1. a work table; 2. a clamping mechanism; 201. a cylinder; 202. a pushing block; 203. a sliding block; 204. a rotating rod; 205. a clamping plate; 206. a clamping head; 207. a rubber pad; 208. a first chute; 209. a second chute; 210. a connecting plate; 211. a third chute; 3. a fixing plate; 4. a blade; 5. an adjusting mechanism; 501. a slide rail; 502. a toothed plate; 503. a first slider; 504. a first motor; 505. a first rotating shaft; 506. a gear; 6. a mounting base; 7. a second motor; 8. a second rotating shaft; 9. a groove; 10. a third motor; 11. a threaded rod; 12. a limit rod; 13. and a third slider.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the lead frame cutting and clamping device comprises a workbench 1 and a blade 4, wherein the top of the workbench 1 is fixedly connected with a fixing plate 3, a clamping mechanism 2 is arranged on the fixing plate 3, the clamping mechanism 2 comprises an air cylinder 201, a push block 202, a sliding block 203, a rotating rod 204 and a clamping plate 205, and the air cylinder 201 is fixedly connected to one side of the fixing plate 3; the push block 202 is fixedly connected with the telescopic end of the air cylinder 201, and the push block 202 is in sliding connection with the fixed plate 3; the sliding block 203 is in sliding connection with the fixed plate 3; the rotating rod 204 is rotationally connected with the pushing block 202 and the sliding block 203; the clamping plate 205 is fixedly connected with the sliding block 203, the clamping head 206 is fixedly connected to the inner side of the clamping plate 205, the rubber pad 207 is fixedly connected to the inner side of the clamping head 206, the first sliding groove 208 is formed in one side of the fixed plate 3, the push block 202 is slidably connected with the inner wall of the first sliding groove 208, the second sliding groove 209 is formed in the inner side of the fixed plate 3, the connecting plate 210 is fixedly connected with the side wall of the push block 202, the connecting plate 210 is slidably connected with the inner wall of the second sliding groove 209, the third sliding groove 211 is formed in the side wall of the fixed plate 3, the sliding block 203 is slidably connected with the inner wall of the third sliding groove 211, the telescopic end of the cylinder 201 drives the push block 202 to move forwards, the push block 202 drives the rotary rod 204 to rotate, the rotary rod 204 drives the sliding blocks 203 to mutually approach each other, the clamping plate 205 and the clamping head 206 are mutually approach each other, clamping fixing is carried out on the lead frame, deviation in the cutting process is avoided, the cutting precision is improved, and the rubber pad 207 is used for protecting the lead frame from being broken;

An adjusting mechanism 5 is arranged above the workbench 1, the adjusting mechanism 5 comprises a sliding rail 501, the inner wall of the sliding rail 501 is fixedly connected with a toothed plate 502, the sliding rail 501 is slidably connected with a first sliding block 503, the side wall of the first sliding block 503 is fixedly connected with a first motor 504, the output end of the first motor 504 is fixedly connected with a first rotating shaft 505, the outer wall of the first rotating shaft 505 is fixedly connected with a gear 506, the gear 506 is meshed with the toothed plate 502, the output end of the first motor 504 drives the first rotating shaft 505 to rotate, the first rotating shaft 505 drives the gear 506 to rotate, and the gear 506 is meshed with the toothed plate 502 to drive the first sliding block 503 to slide along the sliding rail 501, so that the front and rear positions of the blade 4 can be adjusted according to the cutting position of a lead frame;

The top fixedly connected with mount pad 6 of first slider 503, the top fixedly connected with second motor 7 of mount pad 6, the output fixedly connected with second pivot 8 of second motor 7, second pivot 8 and blade 4 fixed connection, recess 9 has been seted up at the top of workstation 1, the rear side fixedly connected with third motor 10 of workstation 1, the output fixedly connected with threaded rod 11 of third motor 10, threaded rod 11 passes through bearing rotation with workstation 1 and is connected, the inner wall fixedly connected with gag lever post 12 of recess 9, threaded rod 11 threaded connection has third slider 13, third slider 13 and gag lever post 12 sliding connection, the top of third slider 13 and the bottom fixed connection of slide rail 501, through starting second motor 7, the output of second motor 7 drives second pivot 8 and rotates, second pivot 8 drives blade 4 and rotates, then start third motor 10, the output of third motor 10 drives threaded rod 11 and rotates, under the spacing of gag lever post 12, make third slider 13 to lead frame's direction remove, and then drive the blade 4 in the high-speed rotation to lead frame's direction, it is to cut to carry out the work needs to explain: the first motor 504, the second motor 7 and the third motor 10 are all electrically connected with an external power supply.

Specifically, the working process or working principle of the lead frame cutting and clamping device is as follows: the operating personnel starts the cylinder 201, the telescopic end of cylinder 201 drives ejector pad 202 and moves forward, ejector pad 202 drives the bull stick 204 and rotates, the bull stick 204 drives slider 203 and is close to each other, and then drive grip block 205 and grip head 206 and be close to each other, carry out the centre gripping to the lead frame and fix, rubber pad 207 is used for protecting the lead frame, prevent to be clamped out, start first motor 504 afterwards, the output of first motor 504 drives first pivot 505 and rotates, first pivot 505 drives gear 506 and rotates, because gear 506 and pinion rack 502 meshing are connected, and then drive first slider 503 and slide along slide rail 501, and then adjust the front and back position of blade 4, can adjust the position of blade 4 according to the cutting position of lead frame, close first motor 504 after the adjustment.

Then start second motor 7, the output of second motor 7 drives second pivot 8 and rotates, and second pivot 8 drives blade 4 and rotates, then starts third motor 10, and the output of third motor 10 drives threaded rod 11 and rotates for third slider 13 moves to lead frame's direction under the spacing of gag lever post 12, and then drives the rotatory blade 4 of high-speed to lead frame's direction and remove, carries out cutting work.

Claims (9)

1. The utility model provides a lead frame cutting clamping device, its characterized in that includes workstation (1) and blade (4), the top fixedly connected with fixed plate (3) of workstation (1), be provided with fixture (2) on fixed plate (3), fixture (2) include

The air cylinder (201), the said air cylinder (201) is fixedly connected to one side of the fixed plate (3);

The pushing block (202) is fixedly connected with the telescopic end of the air cylinder (201), and the pushing block (202) is slidably connected with the fixed plate (3);

The sliding block (203), the sliding block (203) is connected with the fixed plate (3) in a sliding way;

The rotating rod (204), the rotating rod (204) is rotationally connected with the pushing block (202) and the sliding block (203);

And the clamping plate (205), wherein the clamping plate (205) is fixedly connected with the sliding block (203).

2. The lead frame cutting clamping device according to claim 1, wherein a clamping head (206) is fixedly connected to the inner side of the clamping plate (205), and a rubber pad (207) is fixedly connected to the inner side of the clamping head (206).

3. The lead frame cutting clamping device according to claim 2, wherein a first chute (208) is formed in one side of the fixed plate (3), the push block (202) is slidably connected with the inner wall of the first chute (208), a second chute (209) is formed in the fixed plate (3), a connecting plate (210) is fixedly connected with the side wall of the push block (202), and the connecting plate (210) is slidably connected with the inner wall of the second chute (209).

4. A lead frame cutting and clamping device according to claim 3, wherein the side wall of the fixing plate (3) is provided with a third sliding groove (211), and the sliding block (203) is slidably connected with the inner wall of the third sliding groove (211).

5. The lead frame cutting clamping device according to claim 4, wherein an adjusting mechanism (5) is arranged above the workbench (1), the adjusting mechanism (5) comprises a sliding rail (501), and a toothed plate (502) is fixedly connected to the inner wall of the sliding rail (501).

6. The lead frame cutting clamping device according to claim 5, wherein the sliding rail (501) is slidably connected with a first sliding block (503), a side wall of the first sliding block (503) is fixedly connected with a first motor (504), an output end of the first motor (504) is fixedly connected with a first rotating shaft (505), an outer wall of the first rotating shaft (505) is fixedly connected with a gear (506), and the gear (506) is meshed with the toothed plate (502).

7. The lead frame cutting clamping device according to claim 6, wherein the top of the first sliding block (503) is fixedly connected with a mounting seat (6), the top of the mounting seat (6) is fixedly connected with a second motor (7), the output end of the second motor (7) is fixedly connected with a second rotating shaft (8), and the second rotating shaft (8) is fixedly connected with the blade (4).

8. The lead frame cutting clamping device according to claim 7, wherein the top of the workbench (1) is provided with a groove (9), and the rear side of the workbench (1) is fixedly connected with a third motor (10).

9. The lead frame cutting clamping device according to claim 8, wherein the output end of the third motor (10) is fixedly connected with a threaded rod (11), the threaded rod (11) is rotationally connected with the workbench (1) through a bearing, the inner wall of the groove (9) is fixedly connected with a limit rod (12), the threaded rod (11) is in threaded connection with a third sliding block (13), the third sliding block (13) is in sliding connection with the limit rod (12), and the top of the third sliding block (13) is fixedly connected with the bottom of the sliding rail (501).