KR20140082417A - Pick-up Device - Google Patents

Abstract

The present invention relates to a pick-up device for transporting a supplied material to a set position, and more particularly to a pick-up device for picking up a material to be supplied to a pick-up device, comprising: an X-axis motor installed at an upper end of a support frame; An X-axis driver including a rail disposed at an upper end of the support frame so as to be parallel to the cam; A movable bracket mounted on the movable bracket and moved along the spiral groove by driving of the X-axis motor to serve as a mediator of X-axis movement of the movable bracket, the movable bracket being guided by the rail and having a cylinder for ascending and descending; A Z-axis driving unit including the Z-axis driving unit; And a pickup tool mounted on the cylinder and capable of X-axis movement and Z-axis movement according to driving of the X-axis driving section and the Z-axis driving section, respectively, and picking up a material. Disclosed is a pickup device of a motor cam type which can be easily replaced.
Such a pick-up apparatus is easy to replace pick-up tools of different pick-up methods so that various materials can be picked up, and stable high-speed feed is possible by combination of a motor and a cam.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pick-up device of a motor cam type,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pick-up apparatus for transporting a supplied material to a set position, and more particularly, to a pick-up apparatus capable of easily replacing pickup tools of different pick- .

The pickup apparatus is used in various forms in various industrial fields. For example, Japanese Patent Registration No. 604098 (published on July 24, 2006) is a semiconductor package pickup device used in a semiconductor package manufacturing process.

The fabrication process of the LED and the semiconductor is performed by a similar process. For example, the fabrication process of the semiconductor package includes a fabrication process and an assembly process. In the FAB process, an integrated circuit is designed on a silicon wafer to form a semiconductor chip. In the assembly process, a lead frame is attached to a semiconductor chip, a wire bonding or a solder ball is used for energization between the semiconductor chip and the lead frame, And a molding process using a resin such as an epoxy or the like are sequentially performed to form a semiconductor strip. The semiconductor strips thus fabricated are placed on a chuck table by a strip picker, transferred to a cutting device and cut into individual packages by cutting blades (rotating blades), and each cut package is cleaned and dried And is transported to the vision inspection apparatus while being loaded on the loading table.

Here, the pickup device is used to load the dried semiconductor package with the loading section of the loading table. Such a 'pickup device' is composed of a picker base, a pad holder and an adsorption pad, Respectively.

Therefore, there is a problem that a semiconductor package having a structure that can not perform vacuum adsorption can not be picked up.

1. Domestic registered patent publication No. 10-0604098 (Publication date 2006.07.24.) 2. Domestic Patent Publication 10-2010-0077952 (Published on July 8, 2010)

An object of the present invention is to provide a pick-up device which makes it possible to easily replace pick-up tools of different pick-up methods so as to pick up various materials, and to enable stable high-speed feed between a position at which a material is picked up and a position at which a material is loaded .

According to another aspect of the present invention, there is provided an X-axis motor comprising: an X-axis motor installed at an upper end of a support frame; a cam connected to the shaft of the X-axis motor and having a spiral groove formed on an outer circumferential surface thereof; An X-axis driving unit including a rail disposed at an upper end of the X-axis driving unit; A movable bracket mounted on the movable bracket and moved along the spiral groove by driving of the X-axis motor to serve as a mediator of X-axis movement of the movable bracket, the movable bracket being guided by the rail and having a cylinder for lifting and lowering; A Z-axis driving unit including the Z-axis driving unit; And a pickup tool mounted on the cylinder and capable of X-axis movement and Z-axis movement according to driving of the X-axis driving section and the Z-axis driving section, respectively, and picking up a material. Up device of the motor-cam type which can be easily replaced.

According to the present invention, it is possible to replace the pick-up tool so as to apply various pick-up methods, thereby picking up various materials. In addition, the adoption of the correcting unit for adjusting the distance between the upper and lower feed-up tool enables stable pick-up regardless of the thickness of the material.

In addition, a combination of a motor and a cam enables stable high-speed transfer between a position at which a material is picked up and a position at which a material is loaded.

1 is a perspective view showing a pickup apparatus according to the present invention,
Figs. 2 to 6 are views each showing a main part of Fig. 1,
Figs. 7 to 11 are views showing the operation of the main part of Fig. 1; Fig.

The present invention relates to a pick-up device (100) for facilitating replacement of pick-up tools of different pick-up methods so that various materials can be picked up, and enabling stable high-speed feed between a position at which a material is picked up and a position at which a material is loaded A preferred embodiment of such a pickup device 100 is the same as that of FIGS. 1 to 11. A pickup device 100 according to the present invention will be described in detail with reference to FIG. 1 to FIG.

The main structure of the pick-up apparatus 100 is the X-axis driving unit 10 of FIG. 2, the Z-axis driving unit 30 of FIG. 3, and the pick- (80) may be further included.

The X-axis driving unit 10 of FIG. 2 includes an X-axis motor 11 installed at the upper end of the support frame 20, a spiral groove 15a formed on the outer circumferential surface of the X- And a rail 13 disposed at an upper end of the support frame 20 so as to be in parallel with the cam 15. [

The Z-axis driving unit 30 of FIG. 3 includes a movable bracket 35 guided by the rail 13 and provided with a cylinder 36 for lifting and lowering the X-axis motor 11 And a cam follower 38 which is moved along the helical groove 15a by the driving of the movable bracket 35 and serves as an intermediary for the X-axis movement of the movable bracket 35. [

The pick-up tool 50 shown in FIG. 4 is mounted on the cylinder 36 and is movable in the X-axis and the Z-axis according to the driving of the X-axis driving unit 10 and the Z-axis driving unit 30, .

The support frame 20 of the X-axis driving unit 10 of FIG. 2 includes a vertical support frame 21 and a horizontal support frame 21 formed at the upper end of the vertical support frame 21, The X-axis motor 11 capable of forward rotation / reverse rotation and the cam 15 rotated in conjunction with the rotation axis of the X-axis motor 11 are disposed at the upper end of the horizontal support frame 22 Respectively. The rotation shaft of the cam 15 and the X-axis motor 11 is connected to the coupling 14. A pair of rails 13 are disposed on the upper end of the horizontal supporting frame 22 in parallel with the cam 15. Spiral grooves 15a are formed in the cam 15. Both sides of the groove 15a are formed in the idling grooves 15b for preventing the cam followers 38 from moving beyond the set movement interval of the cam followers 38 , 15c are formed. Here, the setting moving interval means the X-axis moving range of the Z-axis driving unit 30, which is the interval between the position at which the material is picked up and the position at which the material is loaded.

The movable bracket 35 of the Z-axis driving unit 30 of FIG. 3 includes an upper bracket 31, a lower bracket 32, side brackets 33 and 34, and a guide bracket 34a.

The upper bracket 31, the lower bracket 32 and the side brackets 33 and 34 are formed in a substantially rectangular shape and pass through the horizontal supporting frame 22 in a front and rear opening form. Is provided between the upper bracket 31 and the lower bracket 32 and is moved along a pair of rails 13 disposed on the horizontal support frame 22 to guide the movable bracket 35. [

The cylinder 36 is mounted on the movable bracket 35 and connected to the pick-up tool 50 to lift the pick-up tool 50. The cam follower 38 is mounted on the upper bracket 31 of the movable bracket 35, And is moved along the helical groove 15a by the driving of the X-axis motor 11 to mediate movement of the movable bracket 35 in the X axis.

The Z-axis driving unit 30 may further include a height adjusting driving unit 43 connected to one side of the pick-up tool 50 to adjust an initial position of the pick-up tool 50 lifted by the cylinder 36 have. The height adjustment drive unit 43 includes a motor 42 (replaceable with a cylinder) and an elevation shaft 41 that is lifted and lowered by the rotation of the motor 42. When the height adjustment drive unit 43 is driven, It is preferable that a guide shaft 44 connected to the other side of the pick-up tool 50 is further provided.

The pick-up tool 50 shown in Figs. 4 and 5 includes a tool base 51 mounted on the cylinder 36 and equipped with a feed rail 52 at the upper end thereof, and a tool base 51 mounted on both sides of the feed rail 52, A guide block 53 that is moved along the rail 52 and a tool block that is detachably attached to the guide block 53 and is guided by the feed rail 52 by an external force to adjust the width, (61, 62).

The tool blocks 61 and 62 are provided with support tools 61a and 62a which can be picked up by supporting the lower end of the material 200. [ Since the tool blocks 61 and 62 are easily attached to and detached from the guide block 53 by fastening the fastener 63, it is easy to replace the tool block 61 picking up the material 200 in other ways.

The pick-up tool 50 further includes a magnet (not shown) at the lower end of the tool base 51 to attach and detach the adsorption block 80 that adsorbs the material 200 by vacuum adsorption as shown in FIG. 6 A plurality of adsorption pads 81 are provided at the lower end of the adsorption block 80 and vacuum holes 82 connected to the adsorption pads 81 are formed in the adsorption pads 81, Respectively.

On the other hand, reference numerals 12 and 37 denote brackets on which cable bearers are to be mounted.

Describing the operation of the pick-up device 100 constructed as described above,

7 shows that the Z-axis driving unit 30 is moved, and shows the movement of the Z-axis driving unit 30 in the X-axis direction by the driving of the X-axis driving unit 10. FIG.

Specifically, when the X-axis motor 11 is rotated, the cam 15 rotates in conjunction therewith. At this time, the cam follower 38 is guided to the helical groove 15a of the cam 15, and the cam follower 38 is engaged with the movable bracket 35, and the movable bracket 35 is also engaged with the X- The Z-axis driving unit 30 is moved in the X-axis direction when the X-axis motor 11 is rotated. On the other hand, the rotation speed of the X-axis motor 11 is precisely controlled by the control unit, but it may exceed the setting movement interval from the position where the material is picked up to the position where the material is loaded because over rotation may occur. To prevent this, idle grooves 15b and 15c are formed on both sides of the helical groove 15a of the cam 15 as shown in FIG. 8. When such a cam 15 and the X-axis motor 11 are combined, Movement becomes possible.

9 shows the movement of the pick-up tool 50 and shows the movement of the pick-up tool 50 in the Z-axis direction by driving the Z-axis drive section 30. FIG.

The pick-up tool 50 is lifted and lowered by the cylinder 36 of the Z-axis driving unit 30. When the material 200 is changed (for example, the material is changed to a different thickness) . Therefore, it is necessary to adjust the initial position of the up-and-down movement of the pick-up tool 50. This may be done by using the height adjustment drive unit 43 and the guide shaft 44. When the material 200 is changed, the height adjusting drive unit 43 adjusts the initial position of the lifting and lowering according to the characteristics of the material 200, and the guide shaft 44 supports stable lifting and lowering.

Figs. 10 and 11 show the operation relationship between the Z-axis driving section 30 and the pickup tool 50 in the order of picking up the material 200. Fig. First, the gap between the tool blocks 61 and 62 is widened, and the pickup tool 50 is lowered by the Z-axis driving part 30. [ The interval between the next tool blocks 61 and 62 is narrowed to support the lower end of the material 200 and the pickup tool 50 is lifted by the Z-axis driving section 30. [

The pickup tool 50 is lowered by the Z-axis driving unit 30 and the distance between the tool blocks 61 and 62 is set to The material 200 is loaded at the loading position when opened. And then moved up and down by the Z-axis driving section 30 and moved to the pickup position by the X-axis driving section 10. [

Meanwhile, in the present invention, the method of picking up according to the material 200 can be replaced with another tool block, and if the adsorption block 80 as shown in FIG. 6 is attached, the material 200 can be picked up by the vacuum adsorption method .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will readily occur to those skilled in the art without departing from the spirit and scope of the invention. Therefore, it should be understood that the disclosed embodiments are to be considered in an illustrative rather than a restrictive sense, and that the true scope of the invention is indicated by the appended claims rather than by the foregoing description, and all differences within the scope of equivalents thereof, .

10: X-axis driving unit 11: X-axis motor
13: rail 15: cam
15a: grooves 15b, 15c: idle groove
20: Support frame 30: Z-axis driver
35: movable bracket 36: cylinder
38: cam follower 43: height adjusting drive
50: Pickup tool 51: Tool base
52: feed rail 53: guide block
61, 62: Tool block 80:
81: Adsorption pad 82: Vacuum hole
100: Pick-up device 200: Material

Claims (5)

An X-axis motor 11 installed at an upper end of the support frame 20; a cam 15 connected to the axis of the X-axis motor 11 and having a spiral groove 15a formed on the outer circumferential surface thereof; An X-axis driving unit 10 including a rail 13 disposed at an upper end of the supporting frame 20 so as to be parallel to the X-axis driving unit 15;
A movable bracket 35 which is guided by the rail 13 and provided with a cylinder 36 for lifting and lowering and a movable bracket 35 mounted on the movable bracket 35 and driven by the X- A Z-axis driving unit 30 including a cam follower 38 that is moved along the X-axis of the movable bracket 35 to mediate X-axis movement of the movable bracket 35;
A pick-up tool 50 mounted on the cylinder 36 and capable of X-axis movement and Z-axis movement according to the driving of the X-axis driving unit 10 and the Z-axis driving unit 30, respectively, and picking up the material 200;
Wherein the pick-up tool of the pick-up type is easy to replace.
The method according to claim 1,
Wherein idling grooves (15b, 15c) for preventing the both sides of the groove (15a) from being moved beyond the set moving distance of the cam follower (38) are formed One motor cam type pickup device.
3. The method according to claim 1 or 2,
The Z-axis driving unit 30,
A height adjustment driving unit 43 connected to one side of the pick-up tool 50 to adjust an initial position of the pick-up tool 50 lifted by the cylinder 36;
The pickup apparatus of the motor-cam type is easy to replace the pick-up tool of different pickup type.
3. The method according to claim 1 or 2,
The pick-up tool (50)
A tool base 51 mounted with the cylinder 36 and equipped with a transfer rail 52 at an upper end thereof;
A guide block 53 mounted on both sides of the feed rail 52 and moved along the feed rail 52;
A tool block (61, 62) detachably attached to and detached from the guide block (53) and guided to the feed rail (52) by an external force to adjust the width to pick up the material (200);
Wherein the pick-up tool of the pick-up type is easy to replace.
5. The method of claim 4,
The pick-up tool (50)
A magnet is further provided at the lower end of the tool base 51,
And a vacuum hole 82 connected to each of the adsorption pads 81 is formed so that a vacuum is formed in the adsorption pad 81 And a suction block (80) is further provided on the suction side of the pick-up block (80).

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