CN223912849U - A feeding device for a eutectic machine - Google Patents

Abstract

The utility model provides a eutectic machine charging tray loading attachment, comprising a base plate, four locating parts that are L shape are installed through the screw to the one end of bottom plate, the charging tray is as for in the locating part, and the lower extreme that is located a pair of locating part of inboard has seted up the business turn over breach, push mechanism is installed to the lower wall of bottom plate, it is ejecting from the ejection of compact breach to be located the charging tray of bottom through push mechanism, the upper end that is located the locating part of outside is equipped with lifting mechanism, lifting mechanism is used for the lifting of charging tray, in order to be convenient for with the charging tray that is located the bottom ejecting, lift the charging tray that will be located the upper strata through lifting mechanism at ejecting process, place the charging tray on the bottom plate again steadily after the ejection of compact, in order to be convenient for operate, wherein, the recess has been seted up all around to the charging tray in order to lift the operation.

Description

Feeding device for material tray of eutectic machine

Technical Field

The utility model relates to the technical field of semiconductor device processing, in particular to a feeding device for a material tray of a eutectic machine.

Background

The eutectic bonding machine is one of key devices in semiconductor packaging and is mainly used for realizing connection between a chip and a lead frame base and island. And when eutectic is carried out, the tray filled with the chips is moved into the eutectic machine, then the chips are transferred, the welding materials such as solder paste are coated, and finally eutectic operation is carried out. At present, when feeding the trays, the feeding mode is replaced by the mode of feeding stacked trays according to the requirement due to frequent feeding requirement, but the feeding mode is usually performed by directly pushing the trays positioned at the bottom layer, but in this mode, in order to enable the trays positioned at the upper layer to smoothly move downwards, the feeding mode is usually completed by a plurality of air cylinders, so that the energy consumption is high, and the failure rate is increased.

Disclosure of utility model

The utility model provides a feeding device for a material tray of a eutectic machine, which solves the defects in the prior art, reduces the use of driving parts on the premise of ensuring stable feeding of the upper material tray, and has stronger practicability.

In order to achieve the object of the present utility model, the following techniques are proposed:

The utility model provides a eutectic machine charging tray loading attachment, comprising a base plate, four locating parts that are L shape are installed through the screw to the one end of bottom plate, the charging tray is as for in the locating part, and the lower extreme that is located a pair of locating part of inboard has seted up the business turn over breach, push mechanism is installed to the lower wall of bottom plate, it is ejecting from the ejection of compact breach to be located the charging tray of bottom through push mechanism, the upper end that is located the locating part of outside is equipped with lifting mechanism, lifting mechanism is used for the lifting of charging tray, in order to be convenient for with the charging tray that is located the bottom ejecting, lift the charging tray that will be located the upper strata through lifting mechanism at ejecting process, place the charging tray on the bottom plate again steadily after the ejection of compact, in order to be convenient for operate, wherein, the recess has been seted up all around to the charging tray in order to lift the operation.

Further, in order to facilitate the placement of the tray, an upper extension guard plate is arranged at the upper end of the limiting piece.

Further, the upper end of the upper extension guard plate is outwards bent to form an inclined plate, so that convenience is created for placing the material tray.

Further, in order to limit the tray during pushing, a pair of limit side plates are mounted on the bottom plate.

Further, in order to improve stability and accuracy when the charging tray is carried, consequently including the propelling movement bottom plate at propelling movement mechanism, the propelling movement bottom plate passes through the bolt to be installed on the bottom plate, installs the end seat at the both ends of propelling movement bottom plate, installs a pair of guide rail on the propelling movement bottom plate, installs the motor on one of them end seat, and the output shaft of motor has the lead screw, has the removal seat through threaded connection on the lead screw, removes the seat and slidingly locates on the guide rail, removes and installs a pair of push rods on the seat, has seted up the removal hole on the bottom plate, and the removal hole is worn to locate by the push rod.

Further, the lifting mechanism comprises a mounting seat arranged on a limiting part positioned on the outer side, a lifting cylinder is arranged on the mounting seat, an L-shaped seat is arranged at the movable end of the lifting cylinder, a concave part is arranged at the lower end of the L-shaped seat, a plurality of extending rods are arranged on the concave part, an inner pushing cylinder is arranged at the outer side end of the extending rods, an inner pushing slat is arranged at the movable end of the inner pushing cylinder, the extending rods penetrate through the inner pushing slat, push-pull arms are arranged at the two ends of the inner pushing slat through screws, push-pull transverse plates are arranged at the inner side ends of the push-pull arms, transverse holes are formed in the push-pull transverse plates, the length direction of the transverse holes is mutually perpendicular to the length direction of the push-pull arms, action rods are penetrated in the transverse holes, swing arms are arranged at the lower ends of the action rods, swing arms are arranged at the inner side ends of the swing arms, a rotating seat is arranged on the swing shafts, the inner side ends of the rotating seat are arranged at the two ends of the concave part, an inner pushing disc is eccentrically arranged at the lower ends of the swing shafts, an inner pushing plate is arranged at the periphery of the inner pushing plate, an inner pushing concave part is arranged on the inner pushing plate, a spring pin penetrates through the periphery of the inner pushing plate, an end cap is arranged at the inner side end cap, the spring pin is arranged at the inner side end cap, and the inner side end cap is arranged on the inner side of the concave part, and is arranged on the concave spring sleeve, and is arranged on the inner side, and the concave spring pin, and the inner side is arranged on the concave part, and the inner side. The lifting mechanism performs lifting operation of the material tray through the lifting cylinder, the inner inserting plate is realized by a driving source, namely the inner pushing cylinder, firstly, the inner inserting plate can synchronously move inwards, so that the material tray is convenient to lift through the inner inserting plate, secondly, the failure rate is reduced by adopting the driving source, and the energy consumption is reduced.

The technical scheme has the advantages that:

The utility model solves the problems of high energy consumption and high failure rate during feeding of the material tray.

Drawings

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective view of one embodiment.

Fig. 2 shows an enlarged view at a.

Fig. 3 shows a second perspective view of one embodiment.

Detailed Description

As shown in fig. 1-3, a feeding device for a material tray of a eutectic machine comprises a bottom plate 1, a pair of limiting side plates 10 are installed on the bottom plate 1, four limiting parts 2 which are in an L shape are installed at one end of the bottom plate 1 through screws, the material tray is arranged in the limiting parts 2, a feeding and discharging gap 21 is formed at the lower ends of the pair of limiting parts 2 which are positioned at the inner side, an upper extension guard plate 20 is arranged at the upper end of the limiting parts 2, and an inclined plate is formed at the upper end of the upper extension guard plate 20 in an outwards bending mode.

The pushing mechanism 3 is installed to the lower wall of bottom plate 1, pushing mechanism 3 includes pushing bottom plate 30, pushing bottom plate 30 passes through the bolt to be installed on bottom plate 1, end seat 34 is installed at pushing bottom plate 30's both ends, install a pair of guide rail 31 on pushing bottom plate 30, install motor 36 on one of them end seat 34, motor 36's output shaft has lead screw 35, there is movable seat 32 through threaded connection on the lead screw 35, movable seat 32 slides and locates on guide rail 31, install a pair of push rod on the movable seat 32, the movable hole has been seted up on the bottom plate 1, the push rod wears to locate the movable hole.

The upper end of the limiting piece 2 positioned on the outer side is provided with a lifting mechanism which is used for lifting the material tray. The lifting mechanism comprises an installation seat 4 installed on a limiting piece 2 positioned on the outer side, a lifting cylinder 40 is installed on the installation seat 4, an L-shaped seat 41 is installed at the movable end of the lifting cylinder 40, a concave piece 42 is arranged at the lower end of the L-shaped seat 41, a plurality of overhanging rods 43 are installed on the concave piece 42, an inner pushing cylinder 44 is installed at the outer side end of each overhanging rod 43, an inner push plate strip 45 is installed at the movable end of each inner push cylinder 44, the overhanging rods 43 penetrate through the inner push plate strips 45, push-pull arms 46 are installed at the two ends of the inner push plate strips 45 through screws, push-pull transverse plates 47 are arranged at the inner side ends of the push-pull arms 46, transverse holes 48 are formed in the transverse holes 47, action rods 49 penetrate through the transverse holes 48 in the length direction of the push-pull arms 46, swing arms 50 are arranged at the lower ends of the action rods 49, swing arms 50 are arranged at the inner side ends of the swing arms, rotating seats 51 are rotatably provided with rotating seats 51, inner ends of the concave pieces 42 are installed at the two ends, inner push-pull plates 52 are eccentrically arranged at the lower ends of the swing shafts, outer circumferential push-pull plates 52 are penetrated by bolts 54 and are provided with concave pins 54 which are in contact with the inner side pins 53, the inner side surfaces of the concave pieces 54 are sleeved on the inner side surfaces of the concave pieces 53, the inner side surfaces of the concave pieces are arranged at the inner side surfaces of the concave pieces 53, and the inner side surfaces of the concave pins are arranged on the inner side surfaces of the concave pins 53, and the inner side surfaces of the concave pins are arranged on the inner side surfaces of the concave pieces and on the side surfaces of the side, and the side surfaces of the concave plates and the opposite sides, and the opposite sides of the opposite sides, and on.

In the implementation of this embodiment, the operator is as shown in fig. 1 and places the tray in the locating part 2 in vertical stacking, thereby the upper end of locating part 2 is placed downwards when placing, still need ensure when placing that the push rod is located the one end of bottom plate 1, namely when the push rod moves forward, can promote the tray that is located the bottom through its motion and move forward.

When feeding, the inner pushing cylinder 44 is started firstly, the inner pushing plate strip 45 is driven by the inner pushing cylinder 44 to move, the push-pull arms 46 at two ends of the inner pushing plate strip 45 are driven to move inwards, the transverse holes 48 on the push-pull arms 46 act on the action bars 49 along with the movement of the push-pull arms 46, so that the swing arms 50 rotate, the inner top disc 52 at the lower end of the swing arms 50 is driven to rotate, the outer periphery of the inner top disc 52 acts on the inner top concave piece 54 when the inner top disc 52 rotates, so that the inner top concave piece 54 moves inwards, the inner inserting plates 55 extend to the lower side of the second layer of material disc in the moving process, then the lifting cylinder 40 is started, the two inserting plates 55 move upwards under the driving of the lifting cylinder 40, and the second layer and the material disc on the second layer of material disc are lifted to move upwards in the moving process. At this time, the motor 36 is started, the screw rod 35 is rotated under the driving of the motor 36, the rotation of the screw rod 35 drives the push rod to move, and the tray positioned at the bottom layer is pushed to the designated position between the limiting side plates 10 by the push rod, then the motor 36 drives the push rod to move to the initial position, and then the lifting cylinder 40 moves downwards, and places the tray on the bottom plate 1, then the insert plate 55 is pulled out from the tray positioned at the bottom layer, and moves to the lower side of the tray at the second layer under the driving of the lifting cylinder 40, and the lifting operation is waited for being executed again.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (6)

1. The feeding device for the tray for the eutectic machine is characterized by comprising a bottom plate (1), wherein four L-shaped limiting pieces (2) are arranged at one end of the bottom plate (1) through screws, the tray is arranged in the limiting pieces (2), and a feeding and discharging gap (21) is formed at the lower ends of a pair of limiting pieces (2) positioned at the inner side of the tray;

The pushing mechanism (3) is arranged on the lower wall of the bottom plate (1);

The upper end of the limiting piece (2) positioned at the outer side is provided with a lifting mechanism which is used for lifting the material tray.

2. The feeding device for the eutectic machine material tray according to claim 1, wherein the upper end of the limiting piece (2) is provided with an upper extension guard plate (20).

3. The feeding device for a tray for a eutectic machine according to claim 2, wherein the upper end of the upper extension guard plate (20) is formed with an inclined plate to be bent outwards.

4. The feeding device for a tray for a eutectic machine according to claim 1, wherein a pair of limiting side plates (10) are mounted on the bottom plate (1).

5. The feeding device for a tray for a eutectic machine according to claim 1, wherein the pushing mechanism (3) comprises a pushing bottom plate (30), the pushing bottom plate (30) is mounted on the bottom plate (1) through bolts, end seats (34) are mounted at two ends of the pushing bottom plate (30), a pair of guide rails (31) are mounted on the pushing bottom plate (30), a motor (36) is mounted on one of the end seats (34), a screw rod (35) is connected to an output shaft of the motor (36), a movable seat (32) is connected to the screw rod (35) through threads, the movable seat (32) is slidably arranged on the guide rails (31), a pair of push rods are mounted on the movable seat (32), and moving holes are formed in the bottom plate (1) in a penetrating manner.

6. The feeding device for a eutectic machine according to claim 1, wherein the lifting mechanism comprises a mounting seat (4) mounted on a limiting piece (2) positioned on the outer side, a lifting cylinder (40) is mounted on the mounting seat (4), an L-shaped seat (41) is mounted at the movable end of the lifting cylinder (40), a concave piece (42) is arranged at the lower end of the L-shaped seat (41), a plurality of extending rods (43) are mounted on the concave piece (42), an inner pushing cylinder (44) is mounted at the outer side end of the extending rods (43), an inner pushing plate strip (45) is mounted at the movable end of the inner pushing cylinder (44), pushing arms (46) are mounted at two ends of the inner pushing plate strip (45) through screws, pushing transverse plates (47) are mounted at the inner side ends of the pushing arms (46), transverse holes (48) are formed in the length directions of the transverse holes (48) and are mutually perpendicular to the length directions of the pushing arms (46), an action rod (49) is mounted in the transverse holes (48), an inner pushing plate (45) is mounted at the outer side end of the extending rods (43), an inner pushing plate strip (45) is mounted at the outer side end of the extending rod (50), a swinging arm (50) is mounted at the inner side end of the swinging arm (46) is provided with an eccentric shaft (51), two ends of the swinging plate (52) are mounted at the inner side of the swinging arm (50) are arranged at the inner swinging arm (52), the periphery of interior roof dish (52) is cut mutually has interior roof concave part (54), wear to be equipped with spring pin (57) on interior roof concave part (54), the outside end of spring pin (57) is equipped with the end cap, the inboard end of spring pin (57) passes through threaded connection on concave part (42), the cover is equipped with spring (53) on spring pin (57), interior roof concave part (54) are located the outside of spring (53), the inboard end of spring (53) acts on the outer wall of concave part (42), be equipped with on interior roof concave part (54) picture peg (55), interior picture peg (55) are worn to locate on concave part (42).