CN218223854U

CN218223854U - Chip purging mechanism of PCB pin inserting machine

Info

Publication number: CN218223854U
Application number: CN202222058207.7U
Authority: CN
Inventors: 张焕琮; 袁树明
Original assignee: Lasbio Intelligent Equipment Tianjin Co ltd
Current assignee: Lasbio Intelligent Equipment Tianjin Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-01-06
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a PCB pin inserting machine's piece sweeps mechanism, including the butt joint, be provided with negative pressure suction mechanism on the butt joint, negative pressure suction mechanism includes first trachea and second trachea, its both fixed intercommunications, first trachea diameter is greater than the second trachea, the fixed intercommunication of butt joint first end has the piece to collect the shell. The utility model provides a PCB pin inserting machine's piece sweeps mechanism, first trachea and second trachea have been utilized, inject high-pressure gas toward the great first trachea of diameter when using, then high-pressure gas enters into in the less second trachea of diameter and blowout, can greatly increased according to the venturi effect velocity of flow when second trachea blowout, and the increase of knowing the velocity of flow by Bernoulli's law can absorb first department at the piece and produce the region of vacuum negative pressure along with fluid pressure's reduction, the region of vacuum negative pressure can be with great piece by the suction piece collect in the shell, in order to play the area from great clastic problem.

Description

Chip purging mechanism of PCB pin inserting machine

Technical Field

The utility model relates to a sweep technical field of mechanism, relate to a PCB insertion machine's piece sweeps mechanism particularly.

Background

A PCB PIN inserting machine is a machine for automatically assembling PIN PINs on a PCB according to a preset program.

According to patent No. CN201510324107.6, publication (publication) day: 2017-01-11. Discloses a full-automatic PCB pin inserting machine, which comprises a rack, a pin feeding device, a plate feeding device, a riveting device, a material taking device and a conveying turntable, wherein the pin feeding device, the plate feeding device, the riveting device, the material taking device and the conveying turntable are arranged on the rack; a material carrying mold is arranged on the conveying turntable, a needle hole matched with the metal needle and a board position matched with the PCB are arranged on the material carrying mold, and the material carrying mold rotates along with the conveying turntable and sequentially contacts the needle feeding device, the board feeding device, the riveting device and the material taking device; the needle feeding device comprises a vibration feeding disc, and a guide device is arranged at the front end of the vibration feeding disc; the material taking device comprises a manipulator and a material receiving disc; the system also comprises a master control system, and the master control system controls the stations to work in a coordinated manner through software. The invention replaces the existing manual pin inserting mode, realizes full-automatic pin inserting and greatly improves the production efficiency.

Including among the prior art of foretell patent, can produce the piece of variation in size when assembling the PIN needle on the PCB board to can use and sweep the mechanism and sweep it, nevertheless sweep the mechanism and mostly be the structure of blowing or the vacuum adsorption structure, when dealing with large granule piece, because sweep the interlude and sweep the ability not enough, so often the effect is not good, can not in time take away from great piece, leads to the piece to pile up easily in the mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PCB pin inserting machine's piece sweeps mechanism aims at solving and sweeps the interlude and sweeps the ability not enough, can not take away from great clastic problem.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a PCB pin inserting machine's piece sweeps mechanism, includes the butt joint, be provided with negative pressure suction mechanism on the butt joint, negative pressure suction mechanism includes first trachea and second trachea, its both fixed intercommunications, first trachea diameter is greater than the second trachea, the fixed intercommunication of first end of butt joint has the piece to collect the shell, the fixed intercommunication of butt joint second end has the piece to absorb the head, the second trachea orientation the shell is collected to the piece.

Preferably, the debris suction head comprises a suction head, a cover plate is fixedly connected to the suction head, the hoop of the suction head and the cover plate is a suction channel, and the first end of the suction channel is fixedly communicated with the butt joint.

Preferably, a supporting connection column is fixedly communicated with the debris collecting shell, a flexible pipeline is fixedly communicated with the supporting connection column, and the flexible pipeline is fixedly communicated with the butt joint.

Preferably, a chip bin is arranged in the chip collecting shell.

Preferably, the second trachea centerline coincides with the abutment centerline.

Preferably, the second end of the suction channel is provided with a flat groove.

In the technical scheme, the utility model provides a pair of PCB insertion machine's piece sweeps mechanism possesses following beneficial effect: first trachea and second trachea have been utilized, pour into high-pressure gas into toward the great first trachea of diameter when using, then high-pressure gas enters into the less second trachea of diameter and spouts, can greatly increased according to the venturi effect velocity of flow when the second trachea is spouted, and the increase of knowing the velocity of flow by Bernoulli's law can absorb the first regional that produces vacuum negative pressure of department at the piece along with fluid pressure's reduction, vacuum negative pressure's region can be with great piece by the suction piece collection shell in, in order to play the problem of taking away from great piece.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is an overall schematic diagram provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of an overall explosion provided by an embodiment of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is a schematic overall sectional view provided by an embodiment of the present invention.

Description of reference numerals:

1. a debris collection shell; 11. a support connection column; 12. a flexible conduit; 13. a crumb bin; 2. a debris extraction head; 21. a suction head; 22. a cover plate; 221. a butt joint; 23. a suction channel; 24. a flat groove; 3. a negative pressure suction mechanism; 31. a first air pipe; 32. a connecting pipe; 33. a second air pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

As shown in fig. 1-4, a chip purging mechanism of a PCB pin inserting machine includes a butt joint 221, a negative pressure suction mechanism 3 is disposed on the butt joint 221, the negative pressure suction mechanism 3 includes a first air pipe 31 and a second air pipe 33, the first air pipe 31 and the second air pipe 33 are fixedly communicated, a diameter of the first air pipe 31 is larger than that of the second air pipe 33, a chip collecting shell 1 is fixedly communicated with a first end of the butt joint 221, a chip suction head 2 is fixedly communicated with a second end of the butt joint 221, and the second air pipe 33 faces the chip collecting shell 1.

Specifically, the vacuum chip collecting device comprises a butt joint 221, a negative pressure suction mechanism 3 is arranged on the butt joint 221, the negative pressure suction mechanism 3 comprises a first air pipe 31 and a second air pipe 33, the first air pipe 31 and the second air pipe 33 are fixedly communicated through a connecting pipe 32, the diameter of the first air pipe 31 is larger than that of the second air pipe 33, a cylindrical butt joint channel is arranged in the butt joint 221, the center line of the second air pipe 33 is coincident with the center line of the butt joint channel, a chip collecting shell 1 is fixedly communicated with a first end (the first end is a right end and the second end is a left end with reference to fig. 3), a chip suction head 2 is fixedly communicated with a second end of the butt joint channel, the second air pipe 33 faces the chip collecting shell 1, when the vacuum chip collecting device is used, high-pressure air is filled into the first air pipe 31, then the high-pressure air enters the second air pipe 33 with a smaller diameter and is ejected, the flow rate in the second air pipe 33 is greatly increased according to the venturi effect, and when the air flow of the second air pipe 33 is ejected to the chip collecting shell 1 at a high speed, the fluid pressure law of an increase of the flow rate can be known as a reduction of the bernoulli law, so that the vacuum chip collecting shell can be a larger area where the chip collecting area where the chip is formed, and the chip collecting area where the chip is formed in the vacuum chip collecting shell, and the vacuum chip collecting area can be formed.

Among the above-mentioned technical scheme, utilized first trachea 31 and second trachea 33, inject high-pressure gas into the great first trachea 31 of diameter when using, then high-pressure gas enters into the less second trachea 33 of diameter and spouts, can greatly increased according to venturi effect velocity of flow when second trachea 33 spouts, and the increase of velocity of flow is known from bernoulli's law to be accompanied by the reduction of fluid pressure and can produce the region of vacuum negative pressure in piece suction head 2 department, and the region of vacuum negative pressure can be inhaled great piece in the piece collection shell 1 to the problem of taking away great piece has been played.

As a further embodiment provided by the present invention, the debris suction head 2 includes a suction head 21, a cover plate 22 is fixedly connected to the suction head 21, the hoop of the suction head 21 and the cover plate 22 is a suction channel 23, a first end (referring to fig. 3, the first end is a left end, and the second end is an upper end) of the suction channel 23 is fixedly communicated with the butt joint 221, a flat groove 24 is provided at a second end of the suction channel 23, and the flat groove 24 can expand the suction range.

As the embodiment that the utility model further provided, fixed intercommunication has support connection post 11 on the piece collection shell 1, and fixed intercommunication has flexible pipeline 12 on the support connection post 11, and flexible pipeline 12 also can be driven when possessing certain supporting capacity and buckle to the position that wants, and flexible pipeline 12 is fixed to be communicated on butt joint 221, has seted up piece storehouse 13 in the piece collection shell 1, and piece storehouse 13 can collect the piece of being absorb.

The working principle is as follows: firstly fixing the chip collecting shell 1 at a required position, then holding the flexible pipe 12 by a back hand to bend so as to align the chip suction head 2 at the position required to suck, then filling high-pressure gas into the first air pipe 31, then enabling the high-pressure gas to enter into the second air pipe 33 with a smaller diameter and be ejected, enabling the flow velocity in the second air pipe 33 to be greatly increased according to the Venturi effect because the second air pipe 33 is smaller than the first air pipe 31, and enabling the air flow of the second air pipe 33 to be ejected towards the chip collecting shell 1 at a high speed, wherein the increase of the flow velocity is accompanied with the reduction of the fluid pressure, so that the second end of the butt joint channel is an area where vacuum negative pressure is formed in the chip suction head 2, and the area of the vacuum negative pressure can suck larger chips into the chip bin 13 in the chip collecting shell 1 to be collected.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a PCB pin machine's piece sweeps mechanism, characterized in that, includes butt joint (221), be provided with negative pressure suction mechanism (3) on butt joint (221), negative pressure suction mechanism (3) are including first trachea (31) and second trachea (33), and its both fixed intercommunications, first trachea (31) diameter is greater than second trachea (33), the fixed intercommunication of butt joint (221) first end has the piece to collect shell (1), the fixed intercommunication of butt joint (221) second end has piece to absorb head (2), second trachea (33) orientation shell (1) are collected to the piece.

2. The scrap blowing mechanism of a PCB pin inserting machine according to claim 1, wherein the scrap sucking head (2) comprises a sucking head (21), a cover plate (22) is fixedly connected to the sucking head (21), the cover plate and the sucking head are hooped by the sucking channel (23), and a first end of the sucking channel (23) is fixedly communicated with the butt joint (221).

3. The chip purging mechanism of the PCB pin inserting machine according to claim 1, wherein a supporting connection column (11) is fixedly communicated with the chip collecting shell (1), a flexible pipeline (12) is fixedly communicated with the supporting connection column (11), and the flexible pipeline (12) is fixedly communicated with the butt joint (221).

4. The chip purging mechanism of the PCB pin inserting machine as claimed in claim 1, wherein a chip bin (13) is arranged in the chip collecting shell (1).

5. The scrap purging mechanism for PCB pin inserting machine as claimed in claim 1, wherein the second air pipe (33) centerline coincides with the butt joint (221) centerline.

6. The scrap purging mechanism for a PCB pin inserting machine according to claim 2, wherein the second end of the suction channel (23) is provided with a flat groove (24).