CN213519905U - Automatic carrying equipment for lead frame between material box and tray - Google Patents

Abstract

The utility model discloses an automatic haulage equipment between magazine and tray of lead frame, it relates to semiconductor package test field, install tray fixed elasticity clamp on the tray place the platform, pull out the button and push back the button, tray place the platform's top is provided with that the frame clamp is got and is pulled out and frame push back magazine mechanism, magazine lift and frame ejecting mechanism are installed to tray place the platform's one end, the tray has been placed on the tray place the platform, the magazine has been placed on the magazine lift, the frame has been placed in the magazine. It is through all links at the lead frame transportation in-process all be equipped with resistance alarm device, when meetting any resistance that can arouse the lead frame to warp in the transportation, all need equipment to react at once, stops equipment motion before the frame warp, treats to relieve resistance trouble after, just can resume equipment motion, can prevent through the improvement that manual extraction transport and when putting back the frame, the frame that artificially arouses warp and the problem that does not exist of use equipment transport.

Description

Automatic carrying equipment for lead frame between material box and tray

The technical field is as follows:

the utility model relates to an automatic haulage equipment between magazine and tray of lead frame belongs to semiconductor package test technical field.

Background art:

the semiconductor sealing and detecting process is characterized in that a three-light detection device is used for detecting whether waste products appear after chip mounting and bonding, the devices are detected by mature manual, semi-automatic and full-automatic devices, low-power microscopes are used, when the high-power microscope is required to be used for three-light detection, the lead frame is manually drawn out from a material box and then manually placed under the high-power microscope or is drawn out from the material box and then placed in a tray, and then the tray is held by hands to place the frame under the high-power microscope to visually observe chip defects, wherein the specific flow is shown in a reference figure 1. An operator manually extracts, carries and puts back the frame after wire bonding, and the manual operation may cause damage to the frame, so that the frame deforms, and to ensure the safety of the lead frame, the operator needs a device to automatically take out the frame from the material box to the tray, and the lead frame is automatically sent back to the material box through the device after the frame is observed by a high power microscope.

The utility model has the following contents:

to the above problem, the to-be-solved technical problem of the utility model is to provide an automatic haulage equipment between magazine and tray of lead frame.

The utility model discloses an automatic carrying equipment of lead frame between magazine and tray, it contains tray place the platform, tray fixed elastic clamp, pull-out button, push-back button, frame press from both sides and get pull-out and frame push-back magazine mechanism, magazine elevator, frame ejecting mechanism, tray fixed elastic clamp, pull-out button and push-back button are installed on the tray place the platform, frame press from both sides and get pull-out and frame push-back magazine mechanism are provided with above the tray place the platform, magazine elevator and frame ejecting mechanism are installed to one end of tray place the platform, the tray is placed on the tray place the platform, the magazine has been placed on the magazine elevator, place the frame in the magazine;

the frame clamping pulling-out and frame pushing-back material box mechanism is composed of a frame clamping pulling-out device and a frame pushing-back material box device, the frame clamping pulling-out device is connected with the frame pushing-back material box device through a connecting shaft, a clamping jaw driving air cylinder and a clamping jaw are installed on the frame clamping pulling-out device, the clamping jaw driving air cylinder is connected with the clamping jaw, a frame pushing-back arm is installed on the frame pushing-back material box device, two guide shafts are installed on the frame pushing-back arm, a frame pushing-back material box thrust pre-tightening spring is installed on one of the guide shafts, a linear bearing is installed on the guide shaft, and one end of the guide shaft is connected with a pushing-back arm.

Preferably, the frame clamping and pulling device is provided with a frame pulling-out material box resistance alarm sensor.

Preferably, a frame push-back magazine resistance alarm sensor is mounted on the frame push-back magazine device.

Preferably, a frame leakage material box detection sensor is installed on one side of the lower end of the material box lifter, when the frame leaks out of the material box, the lifter cannot move up and down, and the frame is prevented from being damaged when a product leaks out of the material box.

Preferably, a push rod is arranged on the frame pushing-out mechanism, an alarm spring is arranged on the push rod, the push rod is connected with a pushing resistance alarm sensor through a guide linear bearing, when the resistance of the pushing frame is larger than the spring force, the push rod moves leftwards to shield the sensor, the sensor senses the resistance and feeds back the resistance to the system, the system gives a reverse movement signal to the pushing cylinder, the pushing cylinder does not continue to push the frame to move under the condition of resistance, but moves in the opposite direction, one end of the pushing resistance alarm sensor is connected with the pushing cylinder, and the push rod pushes the frame under the action of the pushing cylinder.

The utility model has the advantages that: its structural design is reasonable, and the operation is simple, high durability and convenient use, all links through in the lead frame transportation are equipped with resistance alarm device, meet in the transportation when any can arouse the resistance that the lead frame warp, all need equipment to make a response at once, stop equipment before the frame warp moves, treat to remove resistance trouble after, could resume equipment movement, can prevent through the improvement that manual extraction transport and when putting back the frame, the frame that the people causes warp and the problem that does not exist of use equipment transport.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

FIG. 1 is a flow chart of a prior art method of manually extracting a lead frame from a magazine;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the overall structure of the tray and the magazine after installation;

FIG. 4 is a schematic structural view of the frame clamping and pulling-out and frame pushing-back magazine mechanism of the present invention;

FIG. 5 is a schematic structural view of the magazine lifter and the frame ejecting mechanism of the present invention;

FIG. 6 is a partial enlarged view of the present invention;

fig. 7 is a schematic view of the partial structure of the middle magazine after being pushed out.

1-a tray placement platform; 2-fixing the elastic clamp on the tray; 3-a pull-out button; 4-push back button; 5-the frame is clamped and pulled out and the frame is pushed back to the material box mechanism; 501-frame gripper pull-out device; 5011-jaw drive cylinder; 5012-jaws; 5013-cartridge pull-out resistance alarm sensor of frame; 502-frame push back magazine means; 5021-the frame is pushed back to the arm; 5022, a guide shaft; 5023, pushing force of the frame pushing back material box to pre-tighten the spring; 5024, a linear bearing; 5025, pushing back the arm position control cylinder; 5026-the frame pushes back the material box resistance alarm sensor; 503-a connecting shaft; 6-magazine lifter; 601-frame out of cartridge detection sensor; 7-a frame push-out mechanism; 701-a push rod; 702-an alarm spring; 703-a guide linear bearing; 704-push resistance alarm sensor; 705-push cylinder; 8-a tray; 9-a cartridge; 10-frame.

The specific implementation mode is as follows:

as shown in fig. 2 to 7, the following technical solutions are adopted in the present embodiment: the tray comprises a tray placing platform 1, a tray fixing elastic clamp 2, a pull-out button 3, a push-back button 4, a frame clamping pull-out and frame push-back magazine mechanism 5, a magazine lifter 6 and a frame push-out mechanism 7, wherein the tray fixing elastic clamp 2, the pull-out button 3 and the push-back button 4 are installed on the tray placing platform 1, the frame clamping pull-out and frame push-back magazine mechanism 5 is arranged above the tray placing platform 1, the magazine lifter 6 and the frame push-out mechanism 7 are installed at one end of the tray placing platform 1, a tray 8 is placed on the tray placing platform 1, a magazine 9 is placed on the magazine lifter 6, and a frame 10 is placed in the magazine 9;

the frame clamping and pulling-out and frame pushing-back magazine mechanism 5 is composed of a frame clamping and pulling-out device 501 and a frame pushing-back magazine device 502, the frame clamping and pulling-out device 501 is connected with the frame pushing-back magazine device 502 through a connecting shaft 503, a clamping jaw driving cylinder 5011 and a clamping jaw 5012 are installed on the frame clamping and pulling-out device 501, the clamping jaw driving cylinder 5011 is connected with the clamping jaw 5012, a frame pushing-back arm 5021 is installed on the frame pushing-back magazine device 502, two guide shafts 5022 are installed on the frame pushing-back arm 5021, a frame pushing-back magazine pushing-back preloading spring 5023 is installed on one guide shaft 5022, a linear bearing 5024 is installed on the guide shaft 5022, and one end of the guide shaft 5022 is connected with a pushing-back arm position control cylinder 5025.

Wherein, a frame pulling-out material box resistance alarm sensor 5013 is arranged on the frame clamping and pulling-out device 501; a frame push-back magazine resistance alarm sensor 5026 is arranged on the frame push-back magazine device 502; a frame leaking magazine detection sensor 601 is installed on one side of the lower end of the magazine lifter 6, when a frame leaks out of a magazine, the lifter cannot move up and down, and the damage to the frame caused by the product leaking out of the magazine is prevented; the frame ejecting mechanism 7 is provided with a push rod 701, the push rod 701 is provided with an alarm spring 702, the push rod 701 is connected with a push resistance alarm sensor 704 through a guide linear bearing 703, when the resistance of the pushing frame is larger than the spring force, the push rod 701 moves leftwards to shield the sensor, the sensor senses the resistance and feeds back the resistance to the system, the system gives a reverse movement signal to the pushing cylinder, the pushing cylinder does not continue to push the frame to move under the condition of resistance, but moves in the opposite direction, one end of the push resistance alarm sensor 704 is connected with the pushing cylinder 705, and under the action of the pushing cylinder 705, the push rod 701 pushes the frame.

The operation steps of the embodiment are as follows: a. after the equipment is reset, an empty tray 8 is placed on the tray placing platform 1 to be positioned and clamped, and a material box 9 with a frame is placed on the material box lifter 6; b. the pull-out button 3 is pressed, the clamping jaws 5012 run to the left end, then the equipment automatically pushes the frame 10 out of the material box 9 by 10mm, resistance is met in the pushing process, the pushing action is stopped and the frame moves in the reverse direction, the equipment gives an alarm, and if no resistance exists, the exposed frame 10 is just pushed into the clamping jaws 5012; c. the jaws 5012 grip the edge of the frame 10 and then move to the right, pulling the frame 10 into the tray 8, and then opening the jaws 5012 to move to the rightmost end; d. manually removing the tray 8 with the frame 10, and placing the tray under a high power microscope to detect frame defects; e. after observation, the tray 8 and the frame 10 are put back on the tray placing platform 1 together, and are positioned and clamped; f. the push-back button 4 is pressed, the device starts to push the frame 10 back to the material box 9, the material box 9 is pushed back to avoid using the clamping jaw 5012, the clamping jaw 5012 is only provided with a frame pull-out material box resistance alarm sensor 5013, a frame push-back arm 5021 needs to be used, the left edge of the frame push-back arm 5021 needs to be at the left end of 5012 at the moment, the device stretches out a piston rod of a push-back arm position control cylinder 5025, the frame push-back arm 5021 stretches out leftwards, the frame push-back material box resistance alarm sensor 5026 is in an activated state, and only when resistance is met in the push-back process of the frame 10, the frame push-back arm 5021 stops moving to prevent the frame from; g. the frame 10 is pushed back into the magazine 9.

This embodiment structural design is reasonable, the operation is simple, high durability and convenient use, all links through in the lead frame transportation are equipped with resistance alarm device, meet in the transportation when any can arouse the resistance that the lead frame warp, all need equipment to react at once, stop equipment motion before the frame warp, treat to relieve resistance trouble after, just can resume equipment motion, can prevent through the improvement that manual extraction transport and when putting back the frame, the frame that the people arouses warp and the problem that does not exist of use equipment transport.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an automatic haulage equipment between magazine and tray of lead frame which characterized in that: the tray comprises a tray placing platform (1), a tray fixing elastic clamp (2), a pull-out button (3), a push-back button (4), a frame clamping and pulling-out and frame push-back magazine mechanism (5), a magazine lifter (6) and a frame push-out mechanism (7), wherein the tray fixing elastic clamp (2), the pull-out button (3) and the push-back button (4) are installed on the tray placing platform (1), the frame clamping and pulling-out and frame push-back magazine mechanism (5) are arranged above the tray placing platform (1), the magazine lifter (6) and the frame push-out mechanism (7) are installed at one end of the tray placing platform (1), a tray (8) is placed on the tray placing platform (1), a magazine (9) is placed on the magazine lifter (6), and a frame (10) is placed in the magazine (9);

the frame clamping and pulling-out and frame pushing-back magazine mechanism (5) is composed of a frame clamping and pulling-out device (501) and a frame pushing-back magazine device (502), the frame clamping and pulling-out device (501) is connected with the frame pushing-back magazine device (502) through a connecting shaft (503), a clamping jaw driving cylinder (5011) and a clamping jaw (5012) are installed on the frame clamping and pulling-out device (501), the clamping jaw driving cylinder (5011) is connected with the clamping jaw (5012), a frame pushing-back arm (5021) is installed on the frame pushing-back magazine device (502), two guide shafts (5022) are installed on the frame pushing-back arm (5021), a frame pushing-back magazine pushing pre-tightening spring (5023) is installed on one of the guide shafts (5022), a linear bearing (5024) is installed on the guide shaft (5022), and one end of the guide shaft (5022) is connected with a pushing-back arm position control cylinder (5025).

2. The automatic lead frame conveying device between the material box and the tray as claimed in claim 1, wherein: and a frame pulling-out material box resistance alarm sensor (5013) is arranged on the frame clamping and pulling-out device (501).

3. The automatic lead frame conveying device between the material box and the tray as claimed in claim 1, wherein: and a frame push-back box resistance alarm sensor (5026) is arranged on the frame push-back box device (502).

4. The automatic lead frame conveying device between the material box and the tray as claimed in claim 1, wherein: and a frame leakage material box detection sensor (601) is arranged on one side of the lower end of the material box lifter (6).

5. The automatic lead frame conveying device between the material box and the tray as claimed in claim 1, wherein: the frame push-out mechanism (7) is provided with a push rod (701), the push rod (701) is provided with an alarm spring (702), and the push rod (701) is connected with a push resistance alarm sensor (704) through a guide linear bearing (703).

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