CN210432337U

CN210432337U - SMT chip mounter suction nozzle

Info

Publication number: CN210432337U
Application number: CN201920477335.0U
Authority: CN
Inventors: 邹华中
Original assignee: Suzhou Liya Electronics Co Ltd
Current assignee: Suzhou Liya Electronics Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-04-28
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a SMT chip mounter suction nozzle, including sucking rod, sleeve and suction nozzle, the one end and the telescopic one end threaded connection of sucking rod, the utility model relates to a chip mounter suction nozzle technical field. This SMT chip mounter suction nozzle, through the bottom fixedly connected with gag lever post at the mounting groove inner wall, the one end fixedly connected with connecting plate of suction nozzle, the one end of gag lever post runs through connecting plate and suction nozzle and extends to the inside of suction nozzle, the inside of suction nozzle set up with the second activity groove of gag lever post looks adaptation, the top fixedly connected with spring of connecting plate, the one end of spring and the bottom fixed connection of fixed plate, annular spout has been seted up to telescopic inner wall, such device design can make the suction nozzle provide a buffer power for the suction nozzle when carrying out components and parts absorption, guarantee that the suction nozzle can not cause the damage of components and parts when absorbing components and parts, great improvement the practicality of suction nozzle, the normal clear of pasting dress operation to components and parts has also been ensured simultaneously.

Description

SMT chip mounter suction nozzle

Technical Field

The utility model relates to a chip mounter suction nozzle technical field specifically is a SMT chip mounter suction nozzle.

Background

The chip mounter, also called as a mounter or a surface mounting system, is configured behind a dispensing machine or a screen printer in a production line, is a device for accurately placing surface mounted components on a PCB (printed circuit board) pad by moving a mounting head, is divided into manual and full-automatic devices, is a device for achieving high-speed and high-precision component mounting, is the most critical and complex device in the whole SMI and production, and is a chip mounting device in SMT (surface mount technology) production.

In prior art, the suction nozzle direct mount that the chip mounter adopted is on the sucking rod, owing to lack the buffering to the suction nozzle, when pasting the dress to the absorption of components and parts, will make components and parts receive the damage very easily, the practicality is relatively poor, the surface of the suction nozzle that the chip mounter adopted in addition generally is the metal covering, if there is debris on the metal covering, so can cause great influence to the gas tightness of suction nozzle, cause the absorption instability to components and parts, lead to components and parts to drop the damage from the suction nozzle, can't normally paste the dress to components and parts, the influence pastes the work efficiency who pastes the dress to components and parts.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a SMT chip mounter suction nozzle has solved the buffering that current chip mounter adopted the suction nozzle to the suction nozzle less, causes the damage to components and parts easily, and the gas tightness of suction nozzle is relatively poor, can't normally adsorb the problem of subsides dress to components and parts effectively.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a suction nozzle of an SMT chip mounter comprises a suction rod, a sleeve and a suction nozzle, wherein one end of the suction rod is in threaded connection with one end of the sleeve, a first movable groove is formed in the sleeve, a fixed plate is fixedly connected to the top of the inner wall of the first movable groove, a mounting groove is formed in the fixed plate, a limiting rod is fixedly connected to the bottom of the inner wall of the mounting groove, a connecting plate is fixedly connected to one end of the suction nozzle, one end of the limiting rod penetrates through the connecting plate and the suction nozzle and extends into the suction nozzle, a second movable groove matched with the limiting rod is formed in the suction nozzle, a spring is fixedly connected to the top of the connecting plate, one end of the spring is fixedly connected with the bottom of the fixed plate, an annular sliding groove is formed in the inner wall of the sleeve, an annular sliding block is fixedly connected to the surface of the suction nozzle, and, the one end fixedly connected with connecting block of suction nozzle, the bottom fixedly connected with block rubber of connecting block, the bottom fixedly connected with guard circle of block rubber, first runner has all been seted up to the inside of connecting plate, suction nozzle and connecting block, the second runner has been seted up to the inside of block rubber, the dead slot has been seted up to one side of block rubber, first runner and second runner all communicate with the inside of dead slot.

Preferably, a third flow channel is formed inside the suction nozzle, and the third flow channel is communicated with the second movable groove and the empty groove.

Preferably, a fourth flow channel is formed in the limiting rod, and a first through hole is formed in the bottom of the inner wall of the mounting groove.

Preferably, the inner wall of the first movable groove is fixedly connected with a limiting plate, a second through hole is formed in the limiting plate, and a sealing ring is fixedly connected to the inner wall of the second through hole.

Preferably, the fixing plate is internally provided with a vent hole.

Preferably, the limiting rod is connected with the inner part of the connecting plate in a sliding mode.

Advantageous effects

The utility model provides a SMT chip mounter suction nozzle. Compared with the prior art, the method has the following beneficial effects:

(1) the SMT chip mounter suction nozzle is characterized in that a limiting rod is fixedly connected to the bottom of the inner wall of a mounting groove, one end of the suction nozzle is fixedly connected with a connecting plate, one end of the limiting rod penetrates through the connecting plate and the suction nozzle and extends into the suction nozzle, a second movable groove matched with the limiting rod is formed in the suction nozzle, a spring is fixedly connected to the top of the connecting plate, one end of the spring is fixedly connected with the bottom of a fixing plate, an annular sliding groove is formed in the inner wall of a sleeve, an annular sliding block is fixedly connected to the surface of the suction nozzle, the surface of the annular sliding block is in sliding connection with, such device design can make the suction nozzle provide a cushion effect for the suction nozzle when carrying out components and parts absorption, guarantees that the suction nozzle can not cause the damage of components and parts when absorbing components and parts, great improvement the practicality of suction nozzle, also ensured the normal clear of pasting the dress operation to components and parts simultaneously.

(2) This SMT chip mounter suction nozzle, through the one end fixedly connected with connecting block at the suction nozzle, the bottom fixedly connected with block rubber of connecting block, the bottom fixedly connected with guard circle of block rubber, the connecting plate, first runner has all been seted up with the inside of connecting block to the suction nozzle, the second runner has been seted up to the inside of block rubber, the dead slot has been seted up to one side of block rubber, first runner all communicates with the inside of dead slot with the second runner, the metal head and the components and parts of avoiding the suction nozzle that such device design can be fine carry out direct contact, the probability that the metal head led to the fact the damage to components and parts has been reduced, the gas tightness of suction nozzle when absorbing has been fine guaranteed with the application of guard circle to the block rubber simultaneously, the subsides dress efficiency to components and.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a perspective view of the fixing plate structure of the present invention;

FIG. 3 is a perspective view of the structure of the position limiting plate of the present invention;

FIG. 4 is a perspective view of the stop lever structure of the present invention;

FIG. 5 is a perspective view of the rubber block and guard ring structure of the present invention;

fig. 6 is a cross-sectional view of the rubber block structure of the present invention.

In the figure: the device comprises a suction rod 1, a sleeve 2, a suction nozzle 3, a first movable groove 4, a fixed plate 5, a mounting groove 6, a limiting rod 7, a connecting plate 8, a second movable groove 9, a spring 10, an annular sliding groove 11, an annular sliding block 12, a connecting block 13, a rubber block 14, a protective ring 15, a first flow channel 16, a second flow channel 17, a hollow groove 18, a third flow channel 19, a fourth flow channel 20, a first through hole 21, a limiting plate 22, a second through hole 23, a sealing ring 24 and a vent hole 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a suction nozzle of an SMT chip mounter comprises a suction rod 1, a sleeve 2 and a suction nozzle 3, wherein an inner threaded groove is formed in the inner wall of one end of the sleeve 2, an external thread matched with the inner threaded groove is formed in one end of the suction rod 1, a third flow channel 19 is formed in the suction nozzle 3, the third flow channel 19 is communicated with a second movable groove 9 and a hollow groove 18, one end of the suction rod 1 is in threaded connection with one end of the sleeve 2, a first movable groove 4 is formed in the sleeve 2, a limiting plate 22 is fixedly connected to the inner wall of the first movable groove 4, a second through hole 23 is formed in the limiting plate 22, a sealing ring 24 is fixedly connected to the inner wall of the second through hole 23, the inner wall of the sealing ring 24 is tightly matched with the surface of the suction nozzle 3, the surface of the suction nozzle 3 is in sliding connection with the inner wall of the sealing ring 24, a fixing plate 5 is fixedly connected to the top of the inner, the bottom of the inner wall of the mounting groove 6 is fixedly connected with a limiting rod 7, the limiting rod 7 is connected with the inside of a connecting plate 8 in a sliding manner, the inside of the limiting rod 7 is provided with a fourth flow channel 20, the bottom of the inner wall of the mounting groove 6 is provided with a first through hole 21, one end of the suction nozzle 3 is fixedly connected with the connecting plate 8, one end of the limiting rod 7 penetrates through the connecting plate 8 and the suction nozzle 3 and extends to the inside of the suction nozzle 3, the inside of the suction nozzle 3 is provided with a second movable groove 9 matched with the limiting rod 7, the surface of the limiting rod 7 is connected with the inner wall of the second movable groove 9 in a sliding manner, the top of the connecting plate 8 is fixedly connected with a spring 10, the spring 10 is made of spring steel material with stronger elastic performance, when the spring 10 naturally extends, the annular sliding block 12 is positioned at the bottom end of the inner wall of, fixed surface of suction nozzle 3 is connected with annular slider 12, the surface of annular slider 12 and the sliding of the driving fit of the inner wall formation of annular chute 11, the surface of annular slider 12 and the inner wall sliding connection of annular chute 11, the one end fixedly connected with connecting block 13 of suction nozzle 3, the bottom fixedly connected with block rubber 14 of connecting block 13, the bottom fixedly connected with guard circle 15 of block rubber 14, guard circle 15 is one section rubber circle of protrusion block rubber 14, and has stronger resilience, connecting plate 8, first runner 16 has all been seted up with the inside of connecting block 13 to suction nozzle 3, second runner 17 has been seted up to the inside of block rubber 14, dead slot 18 has been seted up to one side of block rubber 14, one side of dead slot 18 closely laminates with one side of connecting block 13, first runner 16 all communicates with the inside of dead slot 18 with second runner 17.

When the suction device is used, the sleeve 2 is connected with the suction rod 1, so that the rubber block 14 arranged at one end of the suction nozzle 3, the protection ring 15 and the surface of a component are contacted, the gas in the protection ring 15 and the rubber block 14 enters the empty groove 18 through the second flow passage 17, the suction nozzle 3 slides towards one end of the suction rod 1 in the annular sliding groove 11 through the annular sliding block 12 fixed on the surface, the limiting rod 7 is connected in the connecting plate 8 fixed at one end of the suction nozzle 3 in a sliding manner, a buffering force is provided for the suction nozzle 3 during operation under the action of the spring 10 arranged on the surface of the limiting rod 7, the gas entering the empty groove 18 respectively enters the first movable groove 4 through the first flow passage 16 and enters the suction rod 1 through the third flow passage 19 and the fourth flow passage 20 from one end of the limiting rod 7, the gas entering the first movable groove 4 enters the suction rod 1 through the vent hole 25 arranged in the fixed plate 5, the suction and mounting of the components are completed, and the suction nozzle of the SMT chip mounter adopts the whole working principle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a SMT chip mounter suction nozzle, includes suction rod (1), sleeve (2) and suction nozzle (3), the one end of suction rod (1) and the one end threaded connection of sleeve (2), its characterized in that: a first movable groove (4) is formed in the sleeve (2), a fixed plate (5) is fixedly connected to the top of the inner wall of the first movable groove (4), a mounting groove (6) is formed in the fixed plate (5), a limiting rod (7) is fixedly connected to the bottom of the inner wall of the mounting groove (6), a connecting plate (8) is fixedly connected to one end of the suction nozzle (3), one end of the limiting rod (7) penetrates through the connecting plate (8) and the suction nozzle (3) and extends into the suction nozzle (3), a second movable groove (9) matched with the limiting rod (7) is formed in the suction nozzle (3), a spring (10) is fixedly connected to the top of the connecting plate (8), one end of the spring (10) is fixedly connected to the bottom of the fixed plate (5), an annular sliding groove (11) is formed in the inner wall of the sleeve (2), and an annular sliding block (12) is fixedly connected to the surface of the suction nozzle (3), the surface of annular slider (12) and the inner wall sliding connection of annular spout (11), the one end fixedly connected with connecting block (13) of suction nozzle (3), bottom fixedly connected with block rubber (14) of connecting block (13), the bottom fixedly connected with guard circle (15) of block rubber (14), first runner (16) have all been seted up to the inside of connecting plate (8), suction nozzle (3) and connecting block (13), second runner (17) have been seted up to the inside of block rubber (14), dead slot (18) have been seted up to one side of block rubber (14), first runner (16) all communicate with the inside of dead slot (18) with second runner (17).

2. An SMT chip mounter nozzle according to claim 1, wherein: a third flow channel (19) is formed in the suction nozzle (3), and the third flow channel (19) is communicated with the second movable groove (9) and the empty groove (18).

3. An SMT chip mounter nozzle according to claim 1, wherein: a fourth flow channel (20) is formed in the limiting rod (7), and a first through hole (21) is formed in the bottom of the inner wall of the mounting groove (6).

4. An SMT chip mounter nozzle according to claim 1, wherein: the inner wall fixedly connected with limiting plate (22) of first activity groove (4), second through-hole (23) have been seted up to the inside of limiting plate (22), the inner wall fixedly connected with sealing washer (24) of second through-hole (23).

5. An SMT chip mounter nozzle according to claim 1, wherein: the fixing plate (5) is internally provided with a vent hole (25).

6. An SMT chip mounter nozzle according to claim 1, wherein: the limiting rod (7) is connected with the inside of the connecting plate (8) in a sliding mode.