CN214642955U

CN214642955U - Improved buffering suction nozzle structure

Info

Publication number: CN214642955U
Application number: CN202023254737.6U
Authority: CN
Inventors: 蒋巨峰
Original assignee: Guangdong Anda Intelligent Equipment Co Ltd
Current assignee: Guangdong Anda Intelligent Equipment Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-09
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a buffering suction nozzle structure of improvement, connect including mount pad, long ball spline shaft, U axle motor and suction nozzle, long ball spline shaft passes through that deep groove ball bearing is rotatable to be installed on the mount pad to can be rotatory by U axle motor drive, long ball spline shaft has the aspirating hole that the axial runs through, the suction nozzle connects the suction chamber that has the guiding hole with long ball spline shaft appearance adaptation and communicates with the aspirating hole, the suction chamber is equipped with and is used for the suction opening be connected with vacuum nozzle, long ball spline shaft's lower extreme passes the guiding hole and stretches into the aspirating intracavity, and long ball spline shaft's lower extreme card is equipped with the E shape for the shaft retaining ring that can be at the relative activity of aspirating intracavity, be equipped with the buffer spring who makes the suction nozzle connect the trend that has downward activity all the time between mount pad and the suction nozzle connect. The utility model discloses utilize the long guide effect of integral key shaft, avoided traditional contact pin formula suction nozzle during operation to take place the condition that deflects, swing, improved and inhaled material efficiency.

Description

Improved buffering suction nozzle structure

Technical Field

The utility model relates to a telegraph element processing equipment field, concretely relates to buffering suction nozzle structure of improvement.

Background

The suction nozzle is commonly used for the procedures of sorting LED chips, fixing LED crystals, picking up laser device chips and semiconductor chips or pasting the chips on a support and the like, and the principle is that negative pressure is generated on the suction nozzle through a through hole in the suction nozzle so as to suck an electric element.

In addition, due to the miniaturization and miniaturization of the electric components, the suction nozzle is gradually required to protect the fragile electric components from the suction force. Therefore, the elastic element with buffer function is arranged on the hard suction nozzle head to realize the purpose of protecting the thin film layer of the electric element when the suction nozzle head contacts the surface of the electric element, and meanwhile, the service life of the hard material is far longer than that of the soft material. The existing suction nozzle structure mainly adopts a cylindrical pin type suction nozzle, the gap between a pin and a sleeve cannot be guaranteed by the structure, and a large amount of gas is leaked when air suction is carried out, so that the production cost is improved, the adsorption capacity is low, electric elements are easy to drop and other defects are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a buffering suction nozzle structure of improvement, it can avoid the suction nozzle during operation to appear deflecting, the wobbling condition, improves and inhales material stability and positioning accuracy.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a buffering suction nozzle structure of improvement, includes mount pad, long ball spline shaft, U axle motor and suction nozzle joint, long ball spline shaft passes through deep groove ball bearing rotatable the installation on the mount pad to can be rotatory by U axle motor drive, long ball spline shaft has the aspirating hole that the axial runs through, the suction nozzle joint have with the guiding hole of long ball spline shaft appearance adaptation and with the suction cavity of aspirating hole intercommunication, the suction cavity is equipped with the suction opening that is used for being connected with vacuum nozzle, the lower extreme of long ball spline shaft passes the guiding hole and stretches into the aspirating intracavity, and the lower extreme card of long ball spline shaft is equipped with the E shape retaining ring for the shaft that can be at the intracavity relative activity of breathing in, be equipped with the buffer spring who makes the suction nozzle joint have the trend of activity downwards between mount pad and the suction nozzle joint all the time.

As a preferred scheme, still include the integral key shaft fixing base, the integral key shaft fixing base is equipped with the through-hole that runs through, be equipped with the bearing fixing base on the mount pad, during the equipment, the integral key shaft fixing base passes through the rotatable installation of deep groove ball bearing on the bearing fixing base, and long ball spline shaft passes the through-hole on the integral key shaft fixing base and stretches out downwards to through E shape for the axle retaining ring and integral key shaft fixing base fixed connection.

As a preferred scheme, the lower end of the mounting seat is provided with an annular pressure sensor, the buffering spring is sleeved on the outer side of the long ball spline shaft, and two ends of the buffering spring are respectively abutted against the annular pressure sensor and the suction nozzle joint.

As a preferred scheme, a motor mounting plate is arranged on the mounting seat, and the U-axis motor is fixedly mounted on the mounting seat through the motor mounting plate.

As an optimal scheme, the mounting seat includes that Z axle riser and cover locate the panel beating dustcoat of Z axle riser one side, integral key shaft fixing base and motor mounting panel are all fixed to be located on the Z axle riser, and are located the panel beating dustcoat.

As a preferred scheme, the suction nozzle joint comprises a cylinder body with an upper end opening and a cylinder cover covering the opening of the cylinder body, and the cylinder cover is provided with a yielding hole for the long ball spline shaft to pass through.

Preferably, a contact portion of the side wall of the long ball spline shaft with the nozzle joint is coated with a sealing oil.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, particularly, the long ball spline shaft with the axially-running air exhaust hole is adopted to replace the traditional contact pin type suction nozzle, thereby utilizing the long guiding function of the spline shaft, avoiding the deflection and swing of the traditional contact pin type suction nozzle during working, improving the suction efficiency of the suction nozzle during working, facilitating and fast suction and assembly and improving the production efficiency of equipment; meanwhile, the contact part between the side wall of the long ball spline shaft and the suction nozzle joint is coated with sealing oil, so that the sealing property between the suction cavity and the long ball spline shaft can be effectively improved, the adsorption force of the suction nozzle is improved, the condition that elements drop in the adsorption process is avoided, and the production efficiency of enterprises is improved.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembly diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is an enlarged schematic view at a in fig. 2.

The attached drawings indicate the following:

10. mounting seat 11, Z axle riser 12, panel beating dustcoat

13. Motor mounting plate 14, bearing fixing seat 15 and annular pressure sensor

16. Buffer spring 20, long ball spline shaft 21 and air suction hole

22. E-shaped shaft retainer ring 23, elbow rotating joint 30 and U-shaft motor

40. Spline shaft fixing seat 41, deep groove ball bearing 50 and suction nozzle joint

51. Cylinder 52, cylinder cover 53, air suction cavity

54. And (4) an air suction hole.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 as appropriate by those of ordinary skill in the art.

As shown in fig. 1-3, an improved buffer suction nozzle structure comprises a mounting base 10, a long ball spline shaft 20, a U-shaft motor 30 and a suction nozzle joint 50, wherein the long ball spline shaft 20 is rotatably mounted on the mounting base 10 through a deep groove ball bearing 41 and can be driven to rotate by the U-shaft motor 30, a motor mounting plate 13 is arranged on the mounting base 10, and the U-shaft motor 30 is fixedly mounted on the mounting base 10 through the motor mounting plate 13. The long ball spline shaft 20 is provided with an air suction hole 21 which axially penetrates through the long ball spline shaft 20, the suction nozzle joint 50 is provided with a guide hole which is matched with the appearance of the long ball spline shaft 20 and a suction cavity 53 which is communicated with the air suction hole 21, the suction cavity 53 is provided with a suction hole 54 which is used for being connected with a vacuum suction nozzle, the lower end of the long ball spline shaft 20 penetrates through the guide hole and extends into the suction cavity 53, the lower end of the long ball spline shaft 20 is clamped with an E-shaped retaining ring 22 which can move relatively in the suction cavity 53, a buffer spring 16 which enables the suction nozzle joint 50 to always move downwards is arranged between the mounting seat 10 and the suction nozzle joint 50, and the upper end of the long ball spline shaft 20 is connected with a negative pressure pipe through a bent-through rotary joint 23. By providing the E-shaped shaft retainer 22, the movement of the lower end of the long ball spline shaft 20 in the air suction chamber 53 can be restricted by the E-shaped shaft retainer 22, and the lower end of the long ball spline shaft 20 is prevented from coming off the air suction chamber 53.

Specifically, still include integral key shaft fixing base 40, integral key shaft fixing base 40 is equipped with the through-hole that runs through, be equipped with bearing fixing base 14 on the mount pad 10, during the equipment, integral key shaft fixing base 40 passes through deep groove ball bearing 41 rotatable the installation on bearing fixing base 14, and long ball spline shaft 20 passes the through-hole on the integral key shaft fixing base 40 and stretches out downwards to through E shape for the axle retaining ring and integral key shaft fixing base 40 fixed connection.

The lower extreme of mount pad 10 is equipped with annular pressure sensor 15, annular pressure sensor 15 fixed mounting is in the lower extreme of bearing fixing base 14, buffer spring 16 covers the outside of locating long ball spline shaft 20, and both ends are contradicted with annular pressure sensor 15 and suction nozzle joint 50 respectively. During operation, the suction nozzle joint 50 pushes against the buffer spring 16, and the annular pressure sensor 15 detects the pressure of the suction nozzle pressing against the product by detecting the pushing force of the buffer spring 16, so that the condition that the product is damaged due to overlarge pressure is avoided.

The utility model discloses in, mount pad 10 includes that Z axle riser 11 and cover locate the panel beating dustcoat 12 of Z axle riser 11 one side, integral key shaft fixing base 40 and motor mounting panel 13 are all fixed to be located Z axle riser 11 on, and are located panel beating dustcoat 12. The suction nozzle joint 50 comprises a cylinder body 51 with an upper end opening and a cylinder cover 52 covering the opening of the cylinder body 51, the cylinder cover 52 is provided with a yielding hole for the long ball spline shaft 20 to pass through, and the suction hole 54 is located at the lower end of the cylinder body 51.

In order to improve the sealing property between the long ball spline shaft 20 and the suction chamber 53, the contact portion of the side wall of the long ball spline shaft 20 with the suction nozzle joint 50 is coated with sealing oil.

To sum up, the utility model adopts the long ball spline shaft with the axially-through air exhaust hole to replace the traditional contact pin type suction nozzle, thereby utilizing the long guide function of the spline shaft, avoiding the deflection and swing of the traditional contact pin type suction nozzle during working, improving the material suction efficiency of the suction nozzle during working, facilitating the rapid material suction and assembly and improving the production efficiency of the equipment; meanwhile, the contact part between the side wall of the long ball spline shaft and the suction nozzle joint is coated with the sealing oil, so that the sealing property between the suction cavity and the long ball spline shaft can be effectively improved, the adsorption force of the suction nozzle is improved, the condition that elements drop in the adsorption process is avoided, the production efficiency is improved, and the enterprise cost is reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a buffering suction nozzle structure of improvement which characterized in that: including mount pad, long ball spline shaft, U axle motor and suction nozzle joint, long ball spline shaft passes through deep groove ball bearing rotatable the installing on the mount pad to can be rotatory by U axle motor drive, long ball spline shaft has the aspirating hole that the axial runs through, the suction nozzle joint have with the guiding hole of long ball spline shaft appearance adaptation and with the suction cavity of aspirating hole intercommunication, the suction cavity is equipped with the suction hole that is used for being connected with vacuum nozzle, the lower extreme of long ball spline shaft passes the guiding hole and stretches into the aspirating intracavity, and the lower extreme card of long ball spline shaft is equipped with the E shape retaining ring for the shaft that can be in the relative activity of aspirating intracavity, be equipped with the buffer spring that makes the suction nozzle joint have the trend of activity downwards all the time between mount pad and the suction nozzle joint.

2. An improved cushion nozzle structure as defined in claim 1, wherein: still include the integral key shaft fixing base, the integral key shaft fixing base is equipped with the through-hole that runs through, be equipped with the bearing fixing base on the mount pad, during the equipment, the integral key shaft fixing base passes through deep groove ball bearing rotatable the installing on the bearing fixing base, and long ball spline shaft passes the through-hole on the integral key shaft fixing base and stretches out downwards to through E shape for the axle retaining ring and integral key shaft fixing base fixed connection.

3. An improved cushion nozzle structure as defined in claim 1, wherein: the lower extreme of mount pad is equipped with annular pressure sensor, the outside of long ball spline shaft is located to the buffer spring cover, and both ends are contradicted with annular pressure sensor and suction nozzle joint respectively.

4. An improved cushion nozzle structure as defined in claim 2, wherein: the U-shaft motor is fixedly arranged on the mounting seat through the motor mounting plate.

5. An improved cushion nozzle structure as defined in claim 4, wherein: the mount pad includes that Z axle riser and cover locate the panel beating dustcoat of Z axle riser one side, integral key shaft fixing base and motor mounting panel are all fixed to be located on the Z axle riser, and are located the panel beating dustcoat.

6. An improved cushion nozzle structure as defined in claim 1, wherein: the suction nozzle joint comprises a barrel body with an upper end opening and a barrel cover covering the opening of the barrel body, and the barrel cover is provided with a yielding hole for the long ball spline shaft to pass through.

7. An improved cushion nozzle structure as claimed in claim 1 or 6, wherein: and the contact part of the side wall of the long ball spline shaft and the suction nozzle joint is coated with sealing oil.