Lead frame collecting device

Abstract

A lead frame collecting device comprises a supporting frame, an overturning assembly and a collecting assembly. The supporting frame comprises two supporting rings which are symmetrically arranged, and two side frames which are symmetrically arranged are arranged between the supporting rings; the overturning assembly comprises a rotating plate which is arranged between the supporting rings and rotates around the axis of the supporting rings, the rotating plate is used for placing a discharging frame, a plurality of rectangular holes are formed in the discharging frame in a rectangular array mode, lead frames are placed in the rectangular holes, a plurality of limiting plates are arranged on the rotating plate in the length direction of the rotating plate, and every two limiting plates form a group and are arranged in an opposite moving mode. Supporting strips are arranged on the inner side of the limiting plate along the length direction and are used for bearing the lead frame; the collecting assembly comprises two bearing plates which are installed on the side frames respectively and movably arranged in the width direction of the side frames, a plurality of collecting frames are arranged on the bearing plates in the length direction of the bearing plates, and during application, the collecting frames are aligned with the rectangular holes respectively and bear the lead frames. And the lead frames on the discharging frame can be automatically collected, the lead frames can be conveniently transferred, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of semiconductor processing, especially relates to a lead frame collecting device. BACKGROUND

[0002] Chip package as one of the core components of electronic equipment, in its production process, need to be fixed with lead frame and encapsulation, not only can provide protection to chip, also can be convenient for its and other electronic components and parts connection. In the prior art, after the plastic encapsulation process is carried out to the lead frame, the lead frame on the material arranging frame needs to be taken down in time, but since the temperature of the lead frame is very high when it is just taken out from the encapsulation equipment, so currently the lead frame is directly shaken off from the material arranging frame, and then the lead frame is transferred after it is naturally cooled, however, the lead frame is in a disordered state after being shaken off, so a large amount of time is consumed to manually arrange the lead frame into the material transferring device, thereby affecting the production efficiency, so it is necessary to automatically collect the lead frame on the material arranging frame after the lead frame is completely encapsulated. SUMMARY

[0003] In view of the deficiencies in the prior art, the present application provides a lead frame collecting device, which can automatically collect the lead frame on the material arranging frame, facilitate the transfer of the lead frame, improve the production efficiency, and has strong practicability.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technology:

[0005] A lead frame collecting device, comprising: a support frame, a turnover assembly and a collecting assembly.

[0006] The support frame comprises two symmetrically arranged support rings, and two symmetrically arranged side frames are arranged between the support rings; the turnover assembly comprises a rotating plate arranged between the support rings and rotating around its axis, used for placing the material arranging frame, a plurality of rectangular holes are arranged in a rectangular array on the material arranging frame, and the lead frame is placed in the rectangular hole; a plurality of limiting plates are arranged on the rotating plate along the length direction of the rotating plate, the limiting plates are arranged in pairs, and the limiting plates are arranged in opposite directions; a support strip is arranged on the inner side of the limiting plate along the length direction of the limiting plate, used for supporting the lead frame; the collecting assembly comprises two bearing plates respectively installed on the side frames and arranged in the width direction of the side frames, a plurality of collecting frames are arranged on the bearing plate along the length direction of the bearing plate, and in use, the collecting frames are respectively aligned with one rectangular hole and support the lead frame.

[0007] Further, the rotating plate is provided with a convex shaft at both ends, the side surface of the support ring is provided with a ring groove, the convex shaft is slidingly fitted in the ring groove, and one end of the rotating plate is provided with a rotating shaft, the rotating shaft is rotatably installed in the support ring and connected with the output end of the first power equipment, and the first power equipment is installed on the support ring.

[0008] Further, the top surface of the rotating plate is provided with a clamping plate, which is in U shape and used for limiting the side of the material discharging frame.

[0009] Further, the support strip is in inverted concave shape and the opening faces the rectangular hole, both ends of the side surface of the support strip are provided with a protruding part, and the inner side of the protruding part and both ends of the inner side of the support strip are flush with the inner wall of the rectangular hole.

[0010] Further, the rotating plate is provided with a plurality of guide holes along the length direction of the two sides, both ends of the limiting plate are arranged in the guide holes, one end of the limiting plate is sleeved on the guide rod, and the other end of the limiting plate is sleeved on the screw rod, the guide rod and the screw rod are installed on the rotating plate, one end of the screw rod is connected with the output end of the second power equipment, the second power equipment is installed on the rotating plate, the screw thread of the screw rod is divided into a plurality of sections, the rotation directions of the adjacent two sections are opposite, and the limiting plate is sleeved on one section of the screw thread.

[0011] Further, the side frame is provided with a support plate, and the bearing plate is slidingly matched with the support plate and movably arranged along the width direction of the support plate.

[0012] The utility model has the advantages that: the rotating plate bears the material discharging frame and drives the material discharging frame to rotate synchronously, so that the lead frame can fall under the action of gravity and fall into the collecting frame, thereby realizing automatic collection of the lead frame and improving production efficiency; during rotation, the limiting plate and the support strip provide limiting and supporting for the lead frame, so that the lead frame is prevented from falling in advance during rotation. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings described herein are only for illustrating selected embodiments and are not all possible embodiments, and are not intended to limit the scope of the utility model.

[0014] Figure 1 It is a three-dimensional schematic view of the overall structure of the embodiment of the application.

[0015] Figure 2 It is a three-dimensional schematic view of the material discharging frame placed on the rotating plate of the embodiment of the application.

[0016] Figure 3 It is a three-dimensional schematic view of the bottom surface of the rotating plate of the embodiment of the application.

[0017] Figure 4 It is a three-dimensional schematic view of the limiting plate of the embodiment of the application. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the embodiments of the utility model will be described in detail below with reference to the drawings, but the embodiments described in the utility model are part of the embodiments of the utility model, not all the embodiments.

[0019] AsFigures 1-4 As shown, the present example provides a lead frame collecting device, comprising a support frame 100, a turnover assembly 200, and a collecting assembly 300.

[0020] The support frame 100 comprises two symmetrically arranged support rings 101, between which two symmetrically arranged side frames 102 are arranged; the turnover assembly 200 comprises a rotating plate 201 arranged between the support rings 101 and rotating around its axis, used for placing a material distribution frame 400, the material distribution frame 400 is provided with a plurality of rectangular holes 401 in a rectangular array, the rectangular holes 401 are usually distributed in two columns, the lead frame is placed in the rectangular hole 401, a plurality of limiting plates 202 are arranged on the rotating plate 201 along its length direction, the limiting plates 202 are arranged in pairs and move towards each other, after the material distribution frame 400 is placed on the rotating plate 201, the side surface of the limiting plate 202 is flush with the side wall of the rectangular hole 401, so as to limit the two sides of the lead frame during rotation, the inner side of the limiting plate 202 is provided with a support strip 203 along its length direction, used for supporting the lead frame after the rotating plate 201 rotates 180 degrees, preventing it from falling prematurely; the collecting assembly 300 comprises two bearing plates 301 respectively mounted on the side frames 102 and moving along the width direction thereof, the bearing plates 301 are provided with a plurality of collecting frames 302 along the length direction thereof, in application, the collecting frames 302 are respectively aligned with one rectangular hole 401 and support the lead frame.

[0021] Specifically, the support strip 203 is inverted concave and the opening faces the rectangular hole 401, and the both ends of the support strip 203 are provided with protruding portions 207, the inner side of the support strip 203 and the both ends of the protruding portions 207 are flush with the inner wall of the rectangular hole 401, so as to limit the both ends of the lead frame during the turnover of the material distribution frame 400, preventing it from falling off, and at the same time, after the material distribution frame 400 is turned over by 180 degrees, the support strip 203 can support the lead frame, then the collecting frames 302 are moved below the rotating plate 201, the collecting frames 302 are respectively aligned with one rectangular hole 401, and then the limiting plates 202 arranged in pairs are moved away from each other, the lead frame can fall into the collecting frames 302, and the protruding portions 207 can limit the lead frame during its falling and prevent it from falling outside the collecting frames 302.

[0022] Specifically, the rotating plate 201 is provided with a convex shaft 204 at both ends, the support ring 101 is provided with a ring groove 103 on the side surface, the convex shaft 204 is slidingly fitted in the ring groove 103, one end of the rotating plate 201 is provided with a rotating shaft 205, the rotating shaft 205 is rotatably installed in the support ring 101 and is connected to the output end of the first power equipment, the first power equipment is installed on the support ring 101, after the discharging rack 400 is placed on the rotating plate 201, the two limit plates 202 in a group are moved towards each other until the inner side of the limit plate 202 is flush with the inner wall of the rectangular hole 401, then the rotating shaft 205 is driven to rotate by the first power equipment, and the rotating plate 201 starts to rotate, thereby turning the discharging rack 400 by 180 degrees.

[0023] Specifically, the rotating plate 201 is provided with a clamping plate 206 on the top surface, the clamping plate 206 is U-shaped, used for limiting the side of the discharging rack 400, and the bottom surface of the limit plate 202 is flush with the top surface of the discharging rack 400, preventing the discharging rack 400 from shaking during the turning process.

[0024] Specifically, the rotating plate 201 is provided with a plurality of guide holes 208 on both sides along the length direction, the limit plates 202 are provided on both ends of the guide holes 208, one end of the limit plate 202 is sleeved on the guide rod 209, and the other end is sleeved on the lead screw 210, the guide rod 209 and the lead screw 210 are installed on the rotating plate 201, that is, the guide rod 208 and the lead screw 210 are located on both sides of the rotating plate 201, respectively, thereby ensuring that the collection frame 302 can be smoothly moved to the lower side of the rotating plate 201 without interference, one end of the lead screw 210 is connected to the output end of the second power equipment, the second power equipment is installed on the rotating plate 201, the threads of the lead screw 210 are divided into multiple sections, the rotation directions of the adjacent two sections are opposite, the limit plates 202 are sleeved on the threads of the lead screw 210, respectively, the lead screw 210 is driven to rotate by the second power equipment, thereby driving the two limit plates 202 in a group to move towards each other.

[0025] Specifically, the side frame 102 is provided with a support plate 104 at the bottom, the bearing plate 301 is slidingly fitted on the support plate 104, the support plate 104 provides support for the bearing plate 301, and the bearing plate 301 is movably arranged along the width direction of the support plate 104, the movement of the bearing plate 301 can be realized by connecting the bearing plate 301 to a horizontal linear mechanism, and when the bearing plate 301 is moved to the lower side of the rotating plate 201, the top of the transfer frame 302 is flush with the top surface of the limit plate 202 before turning, so as to ensure that the lead frame can be smoothly dropped into the transfer frame 302.

[0026] Since the above is only the preferred embodiment of the present application, and is not used to limit the present application, obviously, those skilled in the art can make various modifications and changes to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and changes of the present application are within the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and changes.

Claims

1. A leadframe collection device, characterized by, The utility model relates to a kind of automatic lead frame production line, including: Support frame (100), including two symmetrically arranged support rings (101), two symmetrically arranged side frames (102) are provided between the support ring (101); Turnover assembly (200), including rotating plate (201) being provided between the support ring (101) and rotating around its axis, for placing material rack (400), a plurality of rectangular holes (401) are provided in rectangular array on the material rack (400), lead frame is placed in the rectangular hole (401), a plurality of interval arrangement limit plates (202) are provided on the rotating plate (201) along its length direction, limit plate (202) is two two a group, and is arranged in opposite direction, support strip (203) is provided on the inner side of limit plate (202) along its length direction, for receiving lead frame; Collecting assembly (300), including two respectively mounted on the side frame (102) and along its width direction mobile arrangement bearing plate (301), a plurality of collection frame (302) are provided on the bearing plate (301) along its length direction, when application, the collection frame (302) is respectively aligned in one rectangular hole (401), and receives lead frame.

2. The leadframe collection apparatus of claim 1, wherein The rotating plate (201) is provided with a convex shaft (204) at both ends, the support ring (101) is provided with a ring groove (103) on the side, the convex shaft (204) is slidably fitted in the ring groove (103), and one end of the rotating plate (201) is provided with a rotating shaft (205), the rotating shaft (205) is rotatably installed in the support ring (101), and is connected to the output end of the first power equipment, and the first power equipment is installed on the support ring (101).

3. The leadframe collection apparatus of claim 1, wherein The top surface of the rotating plate (201) is provided with a clamping plate (206), which is U-shaped, for limiting the side of the material rack (400).

4. The leadframe collection apparatus of claim 1, wherein The support strip (203) is inverted concave, and the opening is towards the rectangular hole (401), the support strip (203) is provided with a protruding part (207) on both ends of the side, the inner side of the protruding part (207) and the both ends of the inner side of the support strip (203) are flush with the inner wall of the rectangular hole (401).

5. The leadframe collection apparatus as recited in claim 1, wherein A plurality of guide holes (208) are provided on both sides of the rotating plate (201) along its length direction, the limit plates (202) are provided in the guide holes (208) at both ends, and one end is sleeved on the guide rod (209), and the other end is sleeved on the lead screw (210), the guide rod (209) and the lead screw (210) are installed on the rotating plate (201), and one end of the lead screw (210) is connected to the output end of the second power equipment, the second power equipment is installed on the rotating plate (201), the threads of the lead screw (210) are divided into multiple sections, the rotation directions of adjacent two threads are opposite, and the limit plates (202) are sleeved on one section of threads of the lead screw (210).

6. The leadframe collection apparatus as recited in claim 1, wherein The bottom of the side frame (102) is provided with a support plate (104), the bearing plate (301) is slidably fitted in the support plate (104) and is arranged in the width direction.

Images