CN220011568U - Loading platform of lead frame step-type steel belt equipment - Google Patents

Abstract

The utility model relates to the technical field of lead frame electroplating, in particular to a feeding platform of lead frame stepped steel belt equipment, which is provided with a first feeding platform and a second feeding platform, wherein the first feeding platform is provided with a first front end conveying mechanism for feeding a lead frame, the second feeding platform is provided with a second front end conveying mechanism, the conveying heights of the first front end conveying mechanism and the second front end conveying mechanism are inconsistent, and the first front end conveying mechanism and the second front end conveying mechanism respectively and independently convey steel belts provided with the lead frames; the first front-end conveying mechanism and the second front-end conveying mechanism with inconsistent conveying heights are simultaneously installed on the same feeding platform, and the steel belts with the lead frames are respectively and independently conveyed, so that the steel belts with the lead frames are not mutually influenced during conveying; one staff can finish the feeding of the two groups of lead frames, so that the occupied space is reduced, and the labor cost is also reduced.

Description

Loading platform of lead frame step-type steel belt equipment

Technical Field

The utility model relates to the technical field of lead frame electroplating, in particular to a feeding platform of lead frame stepped steel belt equipment.

Background

The lead frame is an important raw material for producing semiconductor elements, wherein the lead frame needs to be packaged at a preset position on the surface of the lead frame through a resin material after stamping processing so as to meet the processing requirement, and the packaging and feeding process of the lead frame is to push a lead frame strip in a material box into the preset position, and then preheat the strip so as to ensure the processing requirement; the traditional feeding mode in the packaging equipment is to push the strip from the rear side through structures such as a baffle plate or a baffle rod so as to finish the feeding of the strip in the packaging equipment; however, since the lead frame tape is soft, the tape is easy to push by accident, and the tape is deviated and damaged.

Some domestic enterprises have related researches, and the purpose is to solve the problem that the lead frame is easy to fall off in feeding.

The circuit lead frame electroplating loading and unloading integrated machine generally comprises a loading device, wherein the loading device is matched with a steel belt conveying assembly to convey the lead frames, when two lead frames are required to be processed simultaneously, two production lines are usually arranged in a workshop to meet the requirements, at the moment, one production line at least needs one worker for loading to finish, and therefore, the two production lines at least need two workers to carry out value machine; this arrangement not only requires more labor costs, but also takes up a larger area.

Disclosure of Invention

The utility model aims to provide a feeding platform of a step-type steel belt device of a lead frame, aiming at the defects of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the feeding platform of the step-type steel belt equipment of the lead frame is provided with a first feeding platform and a second feeding platform, the first feeding platform is provided with a first front end conveying mechanism for feeding the lead frame, the second feeding platform is provided with a second front end conveying mechanism, conveying heights of the first front end conveying mechanism and the second front end conveying mechanism are inconsistent, and the first front end conveying mechanism and the second front end conveying mechanism respectively and independently convey the steel belt provided with the lead frame.

Further: the first material loading platform is located the second material loading platform outside, and the high second material loading platform height that is greater than of first material loading platform, and first front end transport mechanism is including rotationally carrying out the first material loading conveying carousel of conveying to the steel band.

Further: the conveying directions of the first front-end conveying mechanism and the second front-end conveying mechanism are parallel to each other.

Further: the second front end conveying mechanism comprises a second feeding conveying turntable which can rotationally convey the steel belt, and a feeding auxiliary conveying turntable is arranged beside the second feeding conveying turntable.

Further: the second feeding conveying turntable and the feeding auxiliary conveying turntable are provided with the same steel belt in a highly flush way.

Further: the first feeding table is provided with a first feeding mechanism matched with the first front-end conveying mechanism, and the first feeding mechanism is used for feeding the lead frame to the steel belt.

Further: the second material loading platform is provided with the first feed mechanism of second front end transport mechanism complex, and second feed mechanism is used for lead frame material loading to the steel band.

Further: the width of second material loading platform is greater than first material loading platform, and the part that second material loading platform both sides are wider than first material loading platform is the installation zone, and second feed mechanism arranges in the installation zone.

Further: the first feeding mechanism and the second feeding mechanism respectively comprise a top guide part and a bottom guide part which are longitudinally aligned and used for guiding the lead frame to pass through, and the heights of the top guide part and the bottom guide part are adjustable.

Further: the top guide member includes a top guide plate that guides the lead frame through with a gap arrangement, and a top mount for mounting the top guide plate; the top mounting piece includes top fixed column, and elastic mounting is at the top backup pad of top fixed column, and the top deflector is installed at the top backup pad.

The utility model has the beneficial effects that: the first front-end conveying mechanism and the second front-end conveying mechanism with inconsistent conveying heights are simultaneously installed on the same feeding platform, and the steel belts with the lead frames are respectively and independently conveyed, so that the steel belts with the lead frames are not mutually influenced during conveying; one staff can finish the feeding of the two groups of lead frames, so that the occupied space is reduced, and the labor cost is also reduced.

Drawings

Fig. 1 is a schematic structural diagram of a loading platform.

Fig. 2 is a schematic structural view of a guide feeding mechanism.

Fig. 3 is a schematic view of the structure of the top guide member.

Fig. 4 is a schematic structural view of the bottom guide member.

Fig. 5 is a schematic structural view of the pulling plate mechanism.

The reference numerals include:

1-a first feeding table,

10-a second feeding table, 11-a first front end conveying mechanism, 12-a second front end conveying mechanism,

13-a first feeding conveying turntable, 14-a second feeding conveying turntable, 15-a mounting area, 16-a first feeding mechanism,

17-a second feeding mechanism, 18-a feeding auxiliary conveying turntable,

2-top guide member,

21-top mounting member, 22-top fixing post, 23-top support plate, 24-top mounting plate,

25-a first transverse adjusting hole, 26-a top guide plate, 27-a pressing adjusting top plate, 28-an adjusting rod,

29-spring member,

3-bottom guide member,

30-bottom lifting plate, 31-bottom supporting bar, 32-discharging plate, 33-bottom supporting plate,

34-second transverse adjusting hole, 35-bottom guide plate, 36-bottom driving plate, 37-bottom driving piece, 38-limit sensor, 39-sensing block,

4-pulling plate mechanism,

41-a pulling plate seat, 42-a driving through groove, 43-a first clamping plate, 44-a second clamping plate,

45-belt conveying mechanism, 46-transmission seat and 47-finger cylinder.

Detailed Description

The present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the feeding platform of the step-type steel strip equipment for lead frames is provided with a first feeding platform 1 and a second feeding platform 10, the first feeding platform 1 is provided with a first front end conveying mechanism 11 for feeding the lead frames, the second feeding platform 10 is provided with a second front end conveying mechanism 12, the conveying heights of the first front end conveying mechanism 11 and the second front end conveying mechanism 12 are inconsistent, and the first front end conveying mechanism 11 and the second front end conveying mechanism 12 respectively and independently convey the steel strips with the lead frames. The first front end conveying mechanism 11 and the second front end conveying mechanism 12 with inconsistent conveying heights are simultaneously installed on the same feeding platform, and the steel belts with the lead frames are respectively and independently conveyed, so that the steel belts with the lead frames are not mutually affected in conveying; one staff can finish the feeding of the two groups of lead frames, so that the occupied space is reduced, and the labor cost is also reduced.

The first loading platform 1 is located the second loading platform 10 outside, and first loading platform 1 and second loading platform 10 lateral position are different promptly, and the height of first loading platform 1 is greater than second loading platform 10 height for the steel band that is equipped with the lead frame does not influence each other when conveying, and first front end transport mechanism 11 is including rotationally carrying out the first material loading transport carousel 13 that conveys the steel band, and one of them steel band one end is around establishing at first material loading transport carousel 13, and under the rotation of through first material loading transport carousel 13, the steel band is annular runway-shaped structure, constantly moves ground to advance the transport to the lead frame.

The second front end conveying mechanism 12 includes a second feeding conveying turntable 14 that rotatably conveys steel strips, wherein one end of one steel strip is wound around the second feeding conveying turntable 14, and the steel strip is in an annular runway-shaped structure and continuously moves forward and conveys the lead frame under the rotation of the second feeding conveying turntable 14. Preferably, the method comprises the steps of,

the transmission turntable is in transmission fit with the steel belt in a meshing mode, and can also be a ratchet wheel which is in transmission fit with the steel belt.

The conveying directions of the first front-end conveying mechanism 11 and the second front-end conveying mechanism 12 are parallel to each other, and the first front-end conveying mechanism 11 and the second front-end conveying mechanism 12 which are independent of each other advance and convey in the same direction.

Preferably, in addition to this, according to the layout of the workshops, the conveying directions of the first front-end conveying mechanism 11 and the second front-end conveying mechanism 12 may be different, the first front-end conveying mechanism 11 conveys one of the lead frames to the first position, and the second front-end conveying mechanism 12 conveys one of the lead frames to the second position, and since the loading positions are all located on the loading platform, the loading can be completed by only one worker.

The second feeding turntable 14 is provided with a feeding auxiliary turntable 18 beside the second feeding turntable 14, and the second feeding turntable 14 and the feeding auxiliary turntable 18 are provided with the same steel strip in a highly flush manner. In this embodiment, one end of the second steel strip is wound on the second feeding and conveying turntable 14 and the auxiliary turntable respectively, so that the overall width of the second steel strip is larger than that of the first steel strip, and the second steel strip and the first steel strip can be further separated from each other, and the two steel strips do not affect each other during conveying movement.

The first feeding table 1 is provided with a first feeding mechanism 16 matched with the first front end conveying mechanism 11, and the first feeding mechanism 16 is used for feeding the lead frame to the steel belt. The second feeding table 10 is provided with a second feeding mechanism 17 matched with the second front end conveying mechanism 12, and the second feeding mechanism 17 is used for feeding the lead frame to the steel belt.

One of the lead frames is fed through a first feeding mechanism 16 to be matched with the first front-end conveying mechanism 11; one of the lead frames is fed to cooperate with the second front end transfer mechanism 12 by a second feeding mechanism 17. Different lead frames can be respectively fed, and the different lead frames are respectively and independently fed on the same platform, so that the processing diversity is realized.

The width of second material loading platform 10 is greater than first material loading platform 1, and the part that second material loading platform 10 both sides are wider than first material loading platform 1 is installation district 15, and second feed mechanism 17 arranges in installation district 15, and the staff can be located the installation district 15 outside of second material loading platform 10, and this position is close with the distance of first feed mechanism 16 and second feed mechanism 17, is convenient for carry out the material loading operation to the lead frame.

The first feeding mechanism 16 and the second feeding mechanism 17 respectively comprise a top guide part 2 and a bottom guide part 3 which are longitudinally aligned for guiding the lead frame, and the heights of the top guide part 2 and the bottom guide part 3 are adjustable.

The conveying turntable is located beside the top guide part 2, and the top of the lead frame is matched with the steel belt of the conveying turntable after passing through the top guide part 2, so that the lead frame is fed to the steel belt.

The top guide member 2 includes a top guide plate 26 that guides the lead frame therethrough with a gap arrangement, and a top mount 21 for mounting the top guide plate 26; the top mounting member 21 includes a top fixing post 22 and a top support plate 23 elastically mounted to the top fixing post 22, and a top guide plate 26 is mounted to the top support plate 23.

The lead frame is conveyed forward through the guidance of the top guide part 2 and the bottom guide part 3, after the size of the lead frame is changed, the height of the bottom guide part 3 is adjusted, the lead frames with different sizes are conveyed conveniently, and when the lead frames are conveyed, the top guide plate 26 arranged on the top support plate 23 can elastically move longitudinally, the lead frames are conveyed conveniently in a pressing mode, and the lead frames are prevented from falling from between the top guide part 2 and the bottom guide part 3.

Preferably, the top supporting plate 23 is further provided with a top mounting plate 24, the top mounting plate 24 is provided with a plurality of first lateral adjusting holes 25, and the top guide plates 26 are mounted on the first lateral adjusting holes 25 with adjustable intervals, and the lateral positions of the top guide plates 26 can be adjusted through the first lateral adjusting holes 25, so that the gaps can be used for passing through lead frames with different thicknesses.

Further, the two top guide plates 26 are arranged in parallel and at intervals, the first transverse adjusting holes 25 are arranged perpendicular to the advancing direction of the lead frame, are long hole structures, and are used for position adjustment in a bolt connection mode.

The top fixing column 22 is also provided with a pressing adjusting top plate 27 positioned at the top, the pressing adjusting top plate 27 is provided with an adjusting rod 28 connected with the top supporting plate 23, and a spring piece 29 nested in the adjusting rod 28 is arranged between the pressing adjusting top plate 27 and the top supporting plate 23.

In this embodiment, the adjusting lever 28 is turned to change the distance between the pressing adjusting top plate 27 and the top supporting plate 23, that is, the height of the top supporting plate 23 is changed, and the distance between the pressing adjusting top plate and the bottom guiding member 3 is changed, so that lead frames with different sizes can be conveyed. Under the elastic drive of the spring member 29, the top support plate 23 is always pressed down, and when the lead frames of the same batch have slight thickness, the top support plate 23 has an elastic buffering effect and can adaptively move up or down, so that the top support plate 23 is always contacted with the top plate edge of the lead frames, and guiding sliding is realized.

The bottom guide member 3 includes a bottom guide plate 35 arranged in a gap for passing the lead frame therethrough, and a bottom support plate 33 for mounting the bottom guide plate 35. The bottom support plate 33 is provided with a plurality of second lateral adjustment holes 34, and the bottom guide plate 35 is installed at the second lateral adjustment holes 34 with adjustable intervals.

In this embodiment, the bottom guide plate 35 has the same function as the top guide plate 26, and the lateral position of the bottom guide plate 35 is changed by adjusting the second lateral adjustment hole 34, so that the lead frames with different sizes can be guided through.

Preferably, the number of the bottom guide plates 35 is two, and the bottom guide plates are arranged at intervals in parallel, the second transverse adjusting holes 34 are long holes which are perpendicular to the direction of the lead frame, the bottom guide plates 35 are fixedly installed through bolts, and the plate surfaces on two sides of the bottom of the lead frame are limited.

The bottom guide member 3 further includes a bottom elevating plate 30, the bottom elevating plate 30 is provided with a bottom support bar 31 located below a bottom guide plate 35 in the advancing direction of the lead frame, and the end of the bottom support bar 31 is provided with a discharging plate 32 for discharging the lead frame. The bottom plate edge of the lead frame is in sliding fit with the bottom supporting bar 31, and the bottom supporting bar 31 is used for sliding support, so that the plate edges at the top and the bottom of the lead frame are limited, and forward guiding sliding is realized.

The bottom driving plate 36 is arranged below the bottom lifting plate 30, the bottom of the top fixing column 22 is fixed on the bottom driving plate 36, the bottom driving plate 36 is provided with a bottom driving piece 37 for driving the bottom lifting plate 30 to longitudinally move, the top fixing column 22 is longitudinally provided with a plurality of spacing sensors 38 which are arranged at intervals, the bottom lifting plate 30 is provided with an induction block 39 which is in induction fit with the spacing sensors 38, and the bottom lifting plate 30 can lift above the bottom driving plate 36 under the driving of the bottom driving piece 37, so that the position of the bottom guiding part 3 is adjusted to be suitable for lead frames with different sizes; the cooperation of the limit sensor 38 and the sensing block 39 prevents the bottom lifter plate 30 from being adjusted beyond the travel range during adjustment.

Preferably, the limit sensor 38 is an existing outsourced photoelectric switch PM-T, and the sensing block 39 contacts the limit sensor 38 to send out a signal for warning.

Preferably, the bottom driving member 37 may be a height adjusting mechanism such as a lift cylinder, a screw adjustment, or the like.

The bottom lifting plate 30 is further provided with a pulling plate mechanism 4 for driving the lead frame to move forward, the pulling plate mechanism 4 comprises a pulling plate seat 41 which moves back and forth along the advancing direction of the lead frame, the pulling plate seat 41 is provided with a clamping piece for clamping the lead frame in an openable and closable manner, the lead frame between the top guide part 2 and the bottom guide part 3 is clamped through the clamping piece, and the pulling plate seat 41 moves along the advancing direction of the lead frame to drive the lead frame to move forward and convey.

Further, the driving through groove 42 for the reciprocating movement of the pulling plate seat 41 is formed in the bottom lifting plate 30 along the length direction of the bottom lifting plate, the clamping piece comprises a finger cylinder 47 installed on the pulling plate seat 41, the driving ends of the finger cylinder 47 are respectively provided with a first clamping plate 43, the tail ends of the first clamping plates 43 are provided with a second clamping plate 44 which is transversely arranged, under the driving of the finger cylinder 47, the second clamping plate 44 installed on the first clamping plate 43 moves outwards or inwards, so that the clamping piece moves to open and close, the bottom plate edge of the lead frame is clamped, contact with an electroplating area is reduced, and damage to the lead frame is prevented.

Preferably, the driving pass grooves 42 are respectively located at both sides of the bottom supporting bar 31, the drawing plate seat 41 is located at the bottom of the bottom elevating plate 30 mounted with the supporting bar, the first clamping plates 43 are respectively located at both sides of the bottom supporting bar 31, and the second clamping plates 44 clamp the lead frames of the bottom supporting bar 31 in a laterally relative movement.

When the pulling plate seat 41 slides along the bottom lifting plate 30 at the bottom of the bottom supporting bar 31, the first clamping plate 43 and the second clamping plate 44 slide along the through groove, so that the space occupation of the bottom lifting plate 30 can be reduced, a traditional pushing plate mechanism is not required, and the rationality of the layout is further improved.

Preferably, the bottom of the bottom lifting plate 30 is provided with a belt conveying mechanism 45, a transmission seat 46 is arranged along the belt part of the belt conveying mechanism 45, the transmission seat 46 extends to be connected with the pulling plate seat 41, and the belt conveying mechanism 45 drives the pulling plate seat 41 to reciprocate in the length direction of the bottom lifting plate 30 in a positive and negative rotation manner, so that the guiding and conveying of the lead frame are realized.

In view of the above, the present utility model has the above-mentioned excellent characteristics, so that it can be used to improve the performance and practicality of the prior art, and is a product with great practical value.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims (10)

1. Feeding platform of lead frame step steel band equipment, its characterized in that: the feeding platform is provided with a first feeding table and a second feeding table, the first feeding table is provided with a first front end conveying mechanism for feeding the lead frame, the second feeding table is provided with a second front end conveying mechanism, conveying heights of the first front end conveying mechanism and the second front end conveying mechanism are inconsistent, and the first front end conveying mechanism and the second front end conveying mechanism respectively and independently convey steel belts provided with the lead frame.

2. The loading platform of the leadframe step strip apparatus of claim 1, wherein: the first material loading platform is located the second material loading platform outside, and the height of first material loading platform is greater than second material loading platform height, and first front end transport mechanism is including rotationally carrying out the first material loading transfer carousel of conveying to the steel band.

3. The loading platform of the leadframe step strip apparatus of claim 2, wherein: the conveying directions of the first front-end conveying mechanism and the second front-end conveying mechanism are parallel to each other.

4. The loading platform of the leadframe step strip apparatus of claim 1, wherein: the second front end conveying mechanism comprises a second feeding conveying turntable which can rotatably convey the steel belt, and a feeding auxiliary conveying turntable is arranged beside the second feeding conveying turntable.

5. The loading dock of the leadframe stepped steel strip apparatus of claim 4, wherein: the second feeding conveying turntable and the feeding auxiliary conveying turntable are provided with the same steel belt in a highly flush manner.

6. The loading platform of the leadframe step strip apparatus of claim 1, wherein: the first feeding table is provided with a first feeding mechanism matched with the first front-end conveying mechanism, and the first feeding mechanism is used for feeding the lead frame to the steel belt.

7. The loading platform for a leadframe strip apparatus as recited in claim 6, wherein: the second feeding table is provided with a second feeding mechanism matched with the second front-end conveying mechanism, and the second feeding mechanism is used for feeding the lead frame to the steel belt.

8. The loading platform for a leadframe strip apparatus as recited in claim 7, wherein: the width of second material loading platform is greater than first material loading platform, and the part that second material loading platform both sides are wider than first material loading platform is the installation zone, and second feed mechanism arranges in the installation zone.

9. The loading platform for a leadframe strip apparatus of claim 8, wherein: the first feeding mechanism and the second feeding mechanism respectively comprise a top guide part and a bottom guide part which are longitudinally aligned and used for guiding the lead frame to pass through, and the heights of the top guide part and the bottom guide part are adjustable.

10. The loading dock of the leadframe stepped steel strip apparatus of claim 9, wherein: the top guide member includes a top guide plate that guides the lead frame through with a gap arrangement, and a top mount for mounting the top guide plate; the top mounting piece includes top fixed column, and elastic mounting is at the top backup pad of top fixed column, and the top deflector is installed at the top backup pad.