CN218230931U

CN218230931U - Full airtight buffering type suction nozzle

Info

Publication number: CN218230931U
Application number: CN202222705852.3U
Authority: CN
Inventors: 瞿玉海
Original assignee: Wuxi Koste Electronic Technology Co ltd
Current assignee: Wuxi Koste Electronic Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-06
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to a full airtight buffer type suction nozzle, which comprises an upper sleeve, wherein the lower part of the upper sleeve is connected with a lower sleeve in a sliding way, an elastic sleeve is sleeved on the peripheries of the upper sleeve and the lower sleeve, the inner part of the lower sleeve is hermetically connected with the upper part of a suction nozzle head, and the lower part of the suction nozzle head extends out of the lower sleeve and the elastic sleeve; the middle of the upper sleeve penetrates through the upper sleeve hole, the middle of the lower sleeve penetrates through the lower sleeve hole, the lower sleeve hole is connected with the suction nozzle head in a sealing mode, the middle of the suction nozzle head penetrates through the suction nozzle hole, and the elastic sleeve vertically penetrates through the mounting hole. The suction nozzle head and the sleeve pipe assembly of the utility model generate corresponding elasticity after the elastic sleeve is compressed and deformed to form buffering. The suction nozzle can realize the effects of long service life and effective protection of the common hard material buffer type suction nozzle, can also effectively improve the tightness of the buffer type suction nozzle, has no gas leakage, and enhances the adsorption force on the electric elements.

Description

Full airtight buffering type suction nozzle

Technical Field

The utility model belongs to the technical field of electrical component processing equipment, a airtight buffering type suction nozzle entirely is related to.

Background

Suction nozzles are commonly used in integrated circuit production, which are based on the principle that a negative pressure is generated on the suction nozzle via a through-hole in the suction nozzle, thereby sucking an electrical component.

The surface of the small-sized electric element is provided with a film, and the surface film is easily damaged when the hard suction nozzle head contacts the surface of the electric element. Therefore, the initial mouthpiece is generally made of a polymer soft material such as soft rubber or plastic. However, the soft material has a very short service life and needs to be replaced frequently, and in addition, since the soft material is easy to be stuck or embedded with chips of the chip to cause damage to the chip, the service life of the suction nozzle is also ended as long as the chips or foreign matters are stuck on the suction nozzle.

CN207986156U discloses a buffer type suction nozzle, which comprises a suction nozzle head and a sleeve, wherein the suction nozzle head is arranged on the sleeve, the other end of the sleeve is fixedly provided with a top sleeve, and the top sleeve is connected with the suction nozzle head through an elastic element. The suction force of the suction nozzle when sucking the electric appliance element is improved, and the problems of sliding air leakage, more parts, complex processing and the like still exist.

Disclosure of Invention

An object of the utility model is to provide a totally airtight buffering type suction nozzle can solve the problem that slip gas leakage, part are many, processing is complicated.

According to the utility model provides a technical scheme: a full airtight buffer type suction nozzle comprises an upper sleeve, wherein the lower part of the upper sleeve is connected with a lower sleeve in a sliding manner, an elastic sleeve is sleeved on the peripheries of the upper sleeve and the lower sleeve, the inner part of the lower sleeve is hermetically connected with the upper part of a suction nozzle head, and the lower part of the suction nozzle head extends out of the lower sleeve and the elastic sleeve; the middle of the upper sleeve penetrates through the upper sleeve hole, the middle of the lower sleeve penetrates through the lower sleeve hole, the lower sleeve hole is connected with the suction nozzle head in a sealing mode, the middle of the suction nozzle head penetrates through the suction nozzle hole, and the elastic sleeve vertically penetrates through the mounting hole.

As a further improvement of the utility model, the lower sleeve and the suction nozzle head slide in the upper sleeve hole.

As a further improvement of the utility model, the upper sleeve and the lower sleeve are made of stainless steel.

As a further improvement of the utility model, the lower sleeve hole is internally connected with the suction nozzle head by evenly coating glue.

As a further improvement of the utility model, the upper part of the suction nozzle head is cylindrical, the lower part is conical, the upper part of the suction nozzle hole is cylindrical, and the lower part is conical.

As a further improvement of the utility model, the surface roughness of the tip part at the bottom end of the suction nozzle and the contact of the electric element is 0.01 mu m.

As a further improvement of the utility model, the suction nozzle head is made of ceramic, bakelite or hard alloy.

As a further improvement of the utility model, the elastic sleeve is made of engineering plastics such as rubber.

As a further improvement, the elastic sleeve adopts the rubber die-casting process to connect the periphery of the upper sleeve and the lower sleeve, and the mounting hole is in interference fit with the upper sleeve and the lower sleeve.

As a further improvement of the utility model, the periphery of the upper sleeve is provided with an upper sleeve connecting ring, and an adaptive upper sleeve connecting groove is arranged in the elastic sleeve; the periphery of the lower sleeve is provided with a lower sleeve connecting ring, and the elastic sleeve is provided with a lower sleeve connecting groove matched with the elastic sleeve.

The positive progress effect of this application lies in:

the suction nozzle head and the sleeve pipe assembly of the utility model generate corresponding elasticity after the elastic sleeve is compressed and deformed to form buffering. The suction nozzle can realize the effects of long service life and effective protection of the common hard material buffer type suction nozzle, can also effectively improve the tightness of the buffer type suction nozzle, has no gas leakage, and enhances the adsorption force on the electrical elements.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In fig. 1, the suction nozzle comprises an upper sleeve 1, a suction nozzle head 2, a lower sleeve 4, an elastic sleeve 3 and the like.

Detailed Description

It should be noted that, in case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate in order to facilitate the embodiments of the invention described herein. Furthermore, "including" and "having," and like terms, mean that "including" and "having," in addition to those already recited in "including" and "having," other content not already recited in the list; for example, a process, method, system, article, or apparatus that may comprise a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus.

As shown in figure 1, the utility model relates to a totally airtight buffering type suction nozzle, including upper casing 1, upper casing 1 lower part sliding connection lower casing 4, upper casing 1 establishes elastic sleeve 3 with 4 outer sleeves of lower casing, and 4 inside sealing connection suction nozzle heads 2 upper portions of lower casing, suction nozzle heads 2 lower parts stretch out lower casing 4, elastic sleeve 3.

The upper sleeve 1 penetrates through the upper sleeve hole, and the lower sleeve 4 and the suction nozzle head 2 slide in the upper sleeve hole.

The upper casing 1 and the lower casing 4 are made of stainless steel, and have the advantages of high wear resistance and difficult rusting.

The middle of the lower sleeve 4 penetrates through a lower sleeve hole, and the lower sleeve hole is connected with the suction nozzle head 2 through uniformly coating glue, so that the air tightness of the lower sleeve and the suction nozzle head is ensured.

In other embodiments, the lower sleeve hole is connected with the suction nozzle head 2 through a welding process, so that the air tightness of the lower sleeve hole and the suction nozzle head is ensured.

The upper part of the suction nozzle head 2 is cylindrical, the lower part of the suction nozzle head is conical, a suction nozzle hole penetrates through the middle of the suction nozzle head 2, the aperture of the suction nozzle hole changes along with the appearance, the upper part of the suction nozzle hole is cylindrical, and the lower part of the suction nozzle hole is conical. The surface roughness of 2 bottom tips 21 of suction nozzle head and the contact of electric elements is 0.01 mu m, can guarantee like this when tip 21 contacts electric elements's film, increase area of contact reduces the air current from the film and the volume that flows between tip 21 to guarantee the seal of buffer type suction nozzle. The suction nozzle head 2 can be made of ceramic, bakelite, hard alloy and other materials.

The elastic sleeve 3 functions to cushion the lower casing 4 and the upper casing 1, prevent the lower casing 4 and the upper casing 1 from colliding with each other, and prevent gas from being sucked between the lower casing 4 and the upper casing 1. The elastic sleeve 3 is made of engineering plastics such as rubber, polyurethane and the like. In this embodiment, the elastic sleeve 3 is made of rubber material, and absorbs the kinetic energy of the lower sleeve 4. The elastic sleeve 3 is connected with the peripheries of the upper sleeve 1 and the lower sleeve 4 by adopting a rubber die-casting process, a mounting hole vertically penetrates through the elastic sleeve 3, and the mounting hole is in interference fit with the upper sleeve 1 and the lower sleeve 4, so that the air tightness is ensured.

The axes of the upper trepanning, the lower trepanning and the suction nozzle hole are on the same straight line, so that the suction nozzle can achieve the maximum air inflow.

In order to enhance the connection strength of the upper sleeve 1 and the elastic sleeve 3, an upper sleeve connecting ring 1-1 is arranged on the periphery of the upper sleeve 1, and an adaptive upper sleeve connecting groove is formed in the elastic sleeve 3.

In order to enhance the connection strength between the lower sleeve 4 and the elastic sleeve 3, a lower sleeve connecting ring 4-1 is arranged on the periphery of the lower sleeve 4, and a matched lower sleeve connecting groove is formed in the elastic sleeve 3.

It should be understood that, in order to enhance the connection strength between the upper sleeve 1 and the elastic sleeve 3 and the connection strength between the lower sleeve 4 and the elastic sleeve 3, bosses and patterns with various shapes may be provided on the outer peripheries of the upper sleeve 1 and the lower sleeve 4.

The utility model discloses a working process as follows:

the upper part of the upper sleeve 1 is fixedly clamped on a suction device, and the suction device sucks the electric element from the upper sleeve hole, the lower sleeve hole and the suction nozzle Kong Chouqi to the tip part 21.

It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.

Claims

1. A full airtight buffer type suction nozzle is characterized by comprising an upper sleeve (1), wherein the lower part of the upper sleeve (1) is connected with a lower sleeve (4) in a sliding manner, an elastic sleeve (3) is sleeved on the peripheries of the upper sleeve (1) and the lower sleeve (4), the inner part of the lower sleeve (4) is hermetically connected with the upper part of a suction nozzle head (2), and the lower part of the suction nozzle head (2) extends out of the lower sleeve (4) and the elastic sleeve (3); the middle of the upper sleeve (1) penetrates through the upper trepanning, the middle of the lower sleeve (4) penetrates through the lower trepanning, the lower trepanning is internally connected with the suction nozzle head (2) in a sealing mode, the middle of the suction nozzle head (2) penetrates through the suction nozzle hole, and the elastic sleeve (3) vertically penetrates through the mounting hole.

2. The totally airtight buffer type suction nozzle as defined in claim 1, wherein the lower sleeve (4), the nozzle head (2) slide in the upper sleeve hole.

3. The totally airtight buffer type suction nozzle as defined in claim 1, wherein the upper casing (1) and the lower casing (4) are made of stainless steel.

4. A fully airtight buffer type suction nozzle according to claim 1, characterized in that the lower pocket is connected to the nozzle head (2) by means of a uniform glue application.

5. A fully airtight buffer type suction nozzle as defined in claim 1, wherein the upper portion of the nozzle head (2) is cylindrical and the lower portion thereof is conical, and the upper portion of the nozzle hole is cylindrical and the lower portion thereof is conical.

6. A fully airtight, cushioned suction nozzle as set forth in claim 1, characterized in that the surface roughness of the bottom tip (21) of the nozzle head (2) in contact with the electrical components is 0.01 μm.

7. A fully airtight, cushioned suction nozzle according to claim 1, wherein the nozzle head (2) is made of ceramic or bakelite or cemented carbide.

8. The totally airtight cushioned suction nozzle as defined in claim 1, wherein said elastic sleeve (3) is made of engineering plastic, such as rubber.

9. The totally airtight buffer type suction nozzle as defined in claim 1, wherein the elastic sleeve (3) is connected with the outer peripheries of the upper sleeve (1) and the lower sleeve (4) by rubber die casting process, and the mounting hole is in interference fit with the upper sleeve (1) and the lower sleeve (4).

10. The fully airtight buffer type suction nozzle as defined in claim 1, wherein the upper sleeve (1) is provided with an upper sleeve connection ring (1-1) at its periphery, and the elastic sleeve (3) is provided with an upper sleeve connection groove adapted thereto; the periphery of the lower sleeve (4) is provided with a lower sleeve connecting ring (4-1), and the elastic sleeve (3) is provided with a lower sleeve connecting groove matched with the elastic sleeve in a split mode.