CN213184250U

CN213184250U - Novel chip suction nozzle

Info

Publication number: CN213184250U
Application number: CN202022068449.5U
Authority: CN
Inventors: 童渝
Original assignee: Henan Shenfu Electronic Technology Co ltd
Current assignee: Henan Shenfu Electronic Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-05-11
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a novel chip suction nozzle belongs to chip suction nozzle technical field. A novel chip suction nozzle comprises a placing frame, an adjusting disc is arranged at the upper end of a vacuum cylinder, a limiting ring is sleeved at the middle part of the outer wall of the circumference of the vacuum cylinder, a conical suction cup is sleeved at the lower end of the vacuum cylinder, a conical suction block is arranged below the conical suction cup, a reinforcing rib is arranged at the middle part of the upper surface of the conical suction block, a lead screw is arranged above the vacuum cylinder, a rotating handle is arranged at the upper end of the lead screw, the lower end of the lead screw penetrates through the inside of the adjusting disc to extend to the inside of the vacuum cylinder and is provided with a spring, the vacuum space is enlarged by the piston to increase the adsorption effect, the phenomenon of incomplete air exhaust in the piston is avoided, the piston can be effectively pulled by the spring, and when the piston is placed for a long time, when air oozes in time, the pulling force through the spring enlarges the vacuum volume again for the chip can not drop, has improved absorbent effect, makes the adsorption effect obvious.

Description

Novel chip suction nozzle

Technical Field

The utility model relates to a chip suction nozzle technical field, more specifically say, relate to a novel chip suction nozzle.

Background

At present, with the development of semiconductor technology and the demand of products, the requirement for the thickness of a chip in packaging is increasingly thinner, which is about 50um at present, so that the thin chip is easy to generate air holes due to the bending of the chip in the chip loading process, and further the product is scrapped or the reliability of the product is influenced, and the suction nozzle used at present is an adsorption mode with a common single or multiple vacuum holes in the middle, and the phenomenon that air is not discharged enough and the adsorption force is not enough to break away from the chip can occur, the prior art publication No. CN204391079U provides a chip suction nozzle, which improves the adsorption reliability by changing the vacuum adsorption mode of the suction nozzle, and by arranging multiple vacuum holes and arranging concave parts, thereby overcoming the air holes generated in the center area of the chip and the middle of a substrate, although the device has more beneficial effects, the following problems still exist: this suction nozzle has only increased a plurality of vacuum holes and has come supplementary absorption, and the adsorption effect is not obvious, when adsorbing the chip, can break away from because of air escape is not thorough or the dynamics is not enough, and the bulge of chip can leak gas and influence absorbent effect, in view of this, we provide a novel chip suction nozzle.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a novel chip suction nozzle to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

The utility model provides a novel chip suction nozzle, includes the rack, there is a vacuum section of thick bamboo at the rack middle part through groove sliding connection, vacuum section of thick bamboo upper end is equipped with the adjustment disk, threaded hole is seted up at the adjustment disk middle part, spacing ring has been cup jointed at vacuum section of thick bamboo circumference outer wall middle part, the toper sucking disc has been cup jointed to vacuum section of thick bamboo lower extreme, the toper sucking disc below is equipped with the toper and inhales the piece, the toper is inhaled a bottom surface and is annular equidistant a plurality of vacuum grooves of having seted up, the inside toper chamber of having seted up of vacuum groove, the toper is inhaled piece upper surface middle part and is equipped with the reinforcement muscle, vacuum section of thick bamboo top is equipped with the lead screw, the lead screw upper end is equipped with changes the handle, the lead.

Preferably, the threaded hole is in threaded connection with the screw rod.

Preferably, the conical cavity is communicated with a cross-shaped vacuum groove formed in the middle of the bottom surface of the conical suction block.

Preferably, the lower end of the vacuum cylinder is communicated with the interior of the conical cavity.

Preferably, one end of the spring is tightly welded with the lower end of the screw rod, and the other end of the spring is tightly welded with the upper surface of the rubber piston.

Preferably, the circumferential outer wall of the rubber piston is in interference fit with the circumferential inner wall of the vacuum cylinder.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a be equipped with the adjustment disk in vacuum cylinder upper end, vacuum cylinder top is equipped with the lead screw, the lead screw upper end is equipped with changes the handle, the lead screw lower extreme passes the inside extension of adjustment disk to inside and is equipped with the spring of vacuum cylinder, the spring lower extreme is equipped with and is equipped with rubber piston, make after adsorbing the chip, enlarge vacuous space through the piston and increase absorbent effect, the phenomenon that the inside air is not exhausted to the utmost has been avoided, and can effectual pulling piston through the spring, when placing for a long time, when instant air oozes, vacuum volume is enlarged once more to pulling force through the spring, make the chip can not drop, absorbent effect has been improved, make adsorption effect obvious.

2. The utility model discloses a cup jointed the toper sucking disc at vacuum section of thick bamboo lower extreme, toper sucking disc below is equipped with the toper and inhales the piece, and the toper is inhaled a bottom surface and is annular equidistant a plurality of vacuum grooves of having seted up, and the inside toper chamber of having seted up of vacuum groove, through two sucking discs, once secondary adsorbs, has improved absorptive effect, has increased the area of contact, has avoided the too big chip of messenger's adsorption affinity to warp bending fracture.

3. The utility model discloses a there is a vacuum section of thick bamboo through groove sliding connection at the rack middle part, and the spacing ring has been cup jointed at vacuum section of thick bamboo circumference outer wall middle part for the chip of taking off can have the place of temporary placing, so that use after carrying out other operations, avoided the chip of placing at will, make it damage, or receive the circumstances that external force made it drop, improved the protection to chip itself.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the internal structure of the vacuum cylinder of the present invention;

FIG. 3 is a sectional view of the conical suction block of the present invention;

FIG. 4 is a bottom view of the conical suction block structure of the present invention;

the reference numbers in the figures illustrate: 1. placing a rack; 2. a conical suction cup; 3. a conical suction block; 301. vacuum grooves; 302. a cross-shaped vacuum groove; 303. reinforcing ribs; 304. a tapered cavity; 4. a screw rod; 401. a spring; 402. a rubber piston; 5. turning a handle; 6. a vacuum cylinder; 601. an adjusting disk; 602. a threaded hole; 603. a limit ring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a novel chip suction nozzle comprises a placing frame 1, the middle part of the placing frame 1 is connected with a vacuum cylinder 6 in a sliding way through a groove, the upper end of the vacuum cylinder 6 is provided with an adjusting disc 601, the middle part of the adjusting disc 601 is provided with a threaded hole 602, the middle part of the outer wall of the circumference of the vacuum cylinder 6 is sleeved with a limiting ring 603, the lower end of the vacuum cylinder 6 is sleeved with a conical suction cup 2, the lower part of the conical suction cup 2 is provided with a conical suction block 3, the bottom surface of the conical suction block 3 is provided with a plurality of vacuum grooves 301 at equal intervals in an annular shape, the inside of each vacuum groove 301 is provided with a conical cavity 304, the middle part of the upper surface of the conical suction block 3 is provided with a reinforcing rib 303, the upper part of the vacuum cylinder 6 is provided with a lead screw 4, the upper end of the lead screw 4 is provided with a rotating handle 5, the lower end of the, avoided the interior air phenomenon of arranging to the utmost to through the spring can effectual pulling piston, when placing for a long time, when instant air infiltration, enlarge vacuum volume once more through the pulling force of spring, make the chip can not drop, improved absorbent effect, make adsorption effect obvious.

Specifically, the threaded hole 602 is in threaded connection with the lead screw 4, so that the lead screw can be lifted up and down to drive the rubber piston 402 to lift.

Further, the tapered cavity 304 is communicated with a cross-shaped vacuum groove 302 formed in the middle of the bottom surface of the tapered suction block 3, so that the tapered suction block 3 can perform primary suction through pressure.

Further, the lower end of the vacuum cylinder 6 is communicated with the interior of the conical cavity 304, so that the suction force can act on the conical suction block 3.

Furthermore, one end of the spring 401 is tightly welded with the lower end of the screw rod 4, and the other end of the spring 401 is tightly welded with the upper surface of the rubber piston 402, so that the spring can have the force of pulling the rubber piston 402 upwards, and the situation of exhausting air is prevented.

It should be noted that the outer circumferential wall of the rubber piston 402 is in interference fit with the inner circumferential wall of the vacuum cylinder 6, so that a sealed vacuum state is formed and the vacuum space is enlarged.

The working principle is as follows: when the chip suction nozzle is needed, firstly, the device is placed above a chip needing to be adsorbed, the rotating handle 5 is pressed to enable the conical suction block 3 to be tightly pressed with the chip to complete primary adsorption, air in the conical suction block is exhausted, meanwhile, the conical suction disc 2 is also tightly pressed with the chip to form vacuum after the air is exhausted, secondary adsorption is completed, at the moment, the rotating handle 5 is rotated to enable the screw rod 4 to drive the rubber piston 402 to ascend, the vacuum area in the rubber piston is increased, namely, the adsorption force is increased, the situation that the air is not exhausted is prevented, meanwhile, the spring 401 exerts an elastic tensile force to enable the rubber piston to be always in a tight state, if the rubber piston is placed for a long time, air penetrates, the vacuum range is automatically expanded through the tensile force of the spring, the situation that the chip falls off is avoided, and after the situation that the vacuum cylinder 6 is placed on the placing rack.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel chip suction nozzle, includes rack (1), its characterized in that: the vacuum cup is characterized in that a vacuum cylinder (6) is connected to the middle of the placing rack (1) in a sliding mode through a groove, an adjusting disc (601) is arranged at the upper end of the vacuum cylinder (6), a threaded hole (602) is formed in the middle of the adjusting disc (601), a limiting ring (603) is sleeved in the middle of the outer wall of the circumference of the vacuum cylinder (6), a conical sucker (2) is sleeved at the lower end of the vacuum cylinder (6), a conical suction block (3) is arranged below the conical sucker (2), a plurality of vacuum grooves (301) are formed in the bottom surface of the conical suction block (3) in an annular and equidistant mode, a conical cavity (304) is formed in each vacuum groove (301), reinforcing ribs (303) are arranged in the middle of the upper surface of the conical suction block (3), a screw rod (4) is arranged above the vacuum cylinder (6), a rotating handle (5) is arranged at the upper end of the screw rod (4), and the lower end of the, the lower end of the spring (401) is provided with a rubber piston (402).

2. The novel chip suction nozzle as claimed in claim 1, wherein: the threaded hole (602) is in threaded connection with the screw rod (4).

3. The novel chip suction nozzle as claimed in claim 1, wherein: the conical cavity (304) is communicated with a cross-shaped vacuum groove (302) formed in the middle of the bottom surface of the conical suction block (3).

4. The novel chip suction nozzle as claimed in claim 1, wherein: the lower end of the vacuum cylinder (6) is communicated with the interior of the conical cavity (304).

5. The novel chip suction nozzle as claimed in claim 1, wherein: one end of the spring (401) is tightly welded with the lower end of the screw rod (4), and the other end of the spring (401) is tightly welded with the upper surface of the rubber piston (402).

6. The novel chip suction nozzle as claimed in claim 1, wherein: the circumferential outer wall of the rubber piston (402) is in interference fit with the circumferential inner wall of the vacuum cylinder (6).