CN220678734U - Main shaft chuck cleaning device and processing equipment - Google Patents

Abstract

The utility model belongs to the technical field of cleaning of chucks of drilling machines for PCB boards, and particularly relates to a main shaft chuck cleaning device and processing equipment, wherein the main shaft chuck cleaning device comprises a nozzle, an oil-gas mixing device and a pressure cleaning liquid tank; the oil-gas mixing device is provided with a first cleaning fluid inlet and a first cleaning fluid outlet, and the pressure cleaning fluid tank is provided with a second compressed gas inlet and a second cleaning fluid outlet; the first cleaning liquid outlet is communicated with the nozzle, the first cleaning liquid inlet is communicated with the second cleaning liquid outlet, and the second compressed gas inlet is used for introducing compressed gas so as to pressurize the liquid supply of the second cleaning liquid outlet; the pressure cleaning liquid tank is used for containing cleaning liquid, and the oil-gas mixing device is used for atomizing the cleaning liquid and spraying the cleaning liquid through the nozzle. The problem that the diameter of a cleaning fluid outlet of an oil-gas mixing device is not large enough, the vacuum degree of a cleaning fluid inlet is not enough and even vacuum cannot be generated is avoided, the atomization of the cleaning fluid is ensured, and the cleaning effect is ensured.

Description

Main shaft chuck cleaning device and processing equipment

Technical Field

The utility model relates to the technical field of chuck cleaning of PCB drilling machines, in particular to a main shaft chuck cleaning device and processing equipment.

Background

The PCB drilling machine is used in the field of PCB drilling processing, and a high-speed spindle is required to be arranged on the PCB drilling machine, and a clamping head of the spindle is used for installing a cutter. Because dust is generated in the machining process, the dust can be stained on the inner wall of the chuck, so that the clamping tool is deflected, the drilling precision is affected, and the chuck is required to be cleaned regularly.

The main shaft chuck cleaning device of the current PCB drilling machine adopts an oil-gas mixing device to suck cleaning liquid and then spray the cleaning liquid through a nozzle to clean the chuck. The oil-gas mixing device resembles the principle of a vacuum generator, sucking in the cleaning liquid by creating a vacuum. However, under the condition that the diameter of the cleaning fluid outlet of the oil-gas mixing device is not large enough, the vacuum degree at the cleaning fluid inlet is not enough, and even the problem of vacuum cannot be caused, so that atomized cleaning fluid is difficult to generate, and the cleaning effect is poor.

Disclosure of Invention

The utility model aims to provide a cleaning device for a chuck main shaft chuck of a PCB drilling machine, which can skillfully avoid the problems.

The utility model discloses a main shaft chuck cleaning device, which comprises a nozzle, an oil-gas mixing device and a pressure cleaning liquid tank; the oil-gas mixing device is provided with a first cleaning fluid inlet and a first cleaning fluid outlet, and the pressure cleaning fluid tank is provided with a second compressed gas inlet and a second cleaning fluid outlet;

the first cleaning liquid outlet is communicated with the nozzle, the first cleaning liquid inlet is communicated with the second cleaning liquid outlet, and the second compressed gas inlet is used for introducing compressed gas so as to pressurize the liquid supply of the second cleaning liquid outlet; the pressure cleaning liquid tank is used for containing cleaning liquid, and the oil-gas mixing device is used for atomizing the cleaning liquid and spraying the cleaning liquid through the nozzle.

Optionally, the oil-gas mixing device is further provided with a first compressed gas inlet, and the first compressed gas inlet is used for introducing compressed gas to atomize the cleaning liquid.

Optionally, the spindle chuck cleaning apparatus further comprises a cleaning table and a cleaning brush, the nozzle and the cleaning brush being mounted on the cleaning table.

Optionally, the cleaning brush includes brush and brush seat, and the brush seat is installed on clean bench, and the jack has been seted up to brush seat axial, and the brush inserts and establishes in the jack, and has the clearance between brush and the jack, and the jack is used for letting in compressed gas.

Optionally, a recovery cavity is formed in the cleaning table, and the cleaning brush and the nozzle are located in the recovery cavity.

Optionally, the main shaft chuck cleaning device further comprises a vacuum generator and a recovery device, and a recovery port is arranged in the recovery cavity; the recycling device is communicated with the recycling port, and the vacuum generator is communicated with the recycling device.

Optionally, the cleaning platform comprises a cover body, and the cover body is arranged on the recovery cavity in a covering manner.

Optionally, the spindle chuck cleaning device further comprises a lifting driving device, and the lifting driving device is connected with the cleaning table to drive the cleaning table to lift.

Optionally, a first pressure regulating valve and a first control valve are arranged on a pipeline of the first compressed gas inlet connected with the compressed gas; the pipeline of the second compressed gas inlet connected with the compressed gas is provided with a second pressure regulating valve, a throttle valve and a three-way manual valve.

Optionally, the first cleaning solution inlet and the second cleaning solution outlet are communicated through a pipeline, and a second control valve is arranged on the pipeline between the first cleaning solution inlet and the second cleaning solution outlet.

The utility model also discloses processing equipment comprising the main shaft chuck cleaning device.

Optionally, the processing device is a PCB drilling machine.

According to the cleaning device for the chuck main shaft chuck of the PCB drilling machine, the pressure cleaning liquid tank is arranged and used for containing cleaning liquid, the second compressed gas inlet is formed in the pressure cleaning liquid tank, compressed gas is introduced into the pressure cleaning liquid tank through the second compressed gas inlet, and the cleaning liquid in the pressure cleaning liquid tank is pressed out through gas pressure, so that the cleaning liquid can be effectively pressed into the oil-gas mixing device, the problem that the vacuum degree at the first cleaning liquid inlet is insufficient or even vacuum is not generated under the condition that the diameter of the first cleaning liquid outlet of the oil-gas mixing device is insufficient is avoided, atomization of cleaning liquid is guaranteed, and the cleaning effect is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:

FIG. 1 is a schematic view of a spindle chuck cleaning apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an embodiment of an oil and gas mixing apparatus according to the present utility model;

FIG. 3 is another schematic illustration of an embodiment of an oil and gas mixing apparatus according to the present utility model;

FIG. 4 is a schematic illustration of a pressurized cleaning fluid tank in accordance with an embodiment of the present utility model;

FIG. 5 is a top view of a pressurized cleaning fluid tank in accordance with an embodiment of the present utility model;

FIG. 6 is a cross-sectional view taken in the direction B-B of FIG. 5;

FIG. 7 is a top view of a cleaning station according to an embodiment of the present utility model;

FIG. 8 is a cross-sectional view taken along the direction A-A in FIG. 7;

FIG. 9 is an enlarged partial view of section II of FIG. 8;

fig. 10 is a partial enlarged view of the portion I in fig. 8.

Wherein, 1, a nozzle; 2. an oil-gas mixing device; 21. a first cleaning liquid inlet; 22. a first cleaning liquid outlet; 23. a first compressed gas inlet; 24. a cleaning liquid flow rate regulating valve; 25. a compressed gas flow regulating valve; 3. a pressure cleaning liquid tank; 31. a second compressed gas inlet; 32. a second cleaning liquid outlet; 33. a cleaning liquid injection port; 34. a liquid level alarm; 4. a cleaning table; 41. a recovery chamber; 42. a cover body; 43. a through hole; 44. a joint; 45. a filter screen; 46. a clasp; 47. recovering the mouth; 5. a cleaning brush; 51. a brush; 52. a brush holder; 521. a jack; 6. a lifting driving device; 7. a vacuum generator; 8. a recovery device; 9. a first pressure regulating valve; 10. a first control valve; 20. a second pressure regulating valve; 30. a throttle valve; 40. a three-way manual valve; 50. a second control valve; 60. a third control valve; 70. a fourth control valve; 80. a work table; 90. a main shaft; 901. a chuck.

Detailed Description

It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

The utility model is described in detail below with reference to the attached drawings and alternative embodiments.

As shown in fig. 1 to 9, as an embodiment of the present utility model, a spindle chuck cleaning apparatus is disclosed, specifically as shown in fig. 1 to 4, comprising a nozzle 1, an oil-gas mixing device 2, and a pressure cleaning liquid tank 3; the oil and gas mixing device 2 is provided with a first cleaning fluid inlet 21 and a first cleaning fluid outlet 22, and the pressurized cleaning fluid tank 3 is provided with a second compressed gas inlet 31 and a second cleaning fluid outlet 32.

The first cleaning solution outlet 22 is communicated with the nozzle 1, the first cleaning solution inlet 21 is communicated with the second cleaning solution outlet 32, and the second compressed gas inlet 31 is used for introducing compressed gas so as to pressurize the liquid supplied by the second cleaning solution outlet 32; the pressure cleaning liquid tank 3 is used for containing cleaning liquid, and the oil-gas mixing device 2 is used for atomizing the cleaning liquid and spraying out through the nozzle 1.

According to the cleaning device for the chuck main shaft chuck of the PCB drilling machine, the pressure cleaning liquid tank 3 is arranged, the pressure cleaning liquid tank 3 is used for containing cleaning liquid, the second compressed gas inlet 31 is formed in the pressure cleaning liquid tank 3, compressed gas is introduced through the second compressed gas inlet 31, and the cleaning liquid in the pressure cleaning liquid tank 3 is pressed out through gas pressure, so that the cleaning liquid can be effectively pressed into the oil-gas mixing device 2, the problem that the vacuum degree at the first cleaning liquid inlet 21 is insufficient or even vacuum is not generated under the condition that the diameter of the first cleaning liquid outlet 22 of the oil-gas mixing device 2 is not large enough is avoided, the atomization of cleaning liquid is ensured, and the cleaning effect is ensured.

Optionally, the oil and gas mixing device 2 is further provided with a first compressed gas inlet 23, the first compressed gas inlet 23 being for letting in compressed gas for atomizing the cleaning liquid. In this embodiment, the oil-gas mixing device 2 is further provided with a first compressed gas inlet 23, and the first compressed gas inlet 23 is filled with compressed gas to atomize the cleaning liquid entering from the first cleaning liquid inlet 21. The atomized cleaning liquid is ejected from the first cleaning liquid outlet 22 and finally ejected through the nozzle 1. Specifically, the oil-gas mixing device 2 is further provided with a cleaning liquid flow rate regulating valve 24 and a compressed gas flow rate regulating valve 25, the cleaning liquid flow rate regulating valve 24 is used for regulating the flow rate of the cleaning liquid, and the compressed gas flow rate regulating valve 25 is used for regulating the flow rate of the compressed gas.

Optionally, a first pressure regulating valve 9 and a first control valve 10 are arranged on a pipeline of the first compressed gas inlet 23 connected with the compressed gas; the second pressure regulating valve 20, the throttle valve 30 and the three-way manual valve 40 are arranged on a pipeline of the second compressed gas inlet 31 connected with the compressed gas. In this embodiment, the first pressure regulating valve 9 is used for regulating and stabilizing the air pressure of the pipeline, and the first control valve 10 is used for opening and closing the first compressed gas inlet 23 and connecting the pipeline of compressed gas. The second pressure regulating valve 20 is used for regulating and stabilizing the air pressure of the pipeline, and the throttle valve 30 can enable the compressed air to be slowly filled into the pressure cleaning liquid tank 3. When the liquid level of the cleaning liquid in the pressure cleaning liquid tank 3 is lower than the set liquid level and cleaning liquid needs to be added into the pressure cleaning liquid tank 3, the three-way manual valve 40 can be closed, the pipeline of the compressed gas introduced into the pressure cleaning liquid tank 3 is disconnected, the gas in the pressure cleaning liquid tank 3 is communicated with the atmosphere, the pressure of the pressure cleaning liquid tank 3 is relieved, and cleaning liquid is conveniently injected through the cleaning liquid injection port 33. The compressed gas can be generated by an external device and then connected through the pipeline.

Specifically, the first pressure regulating valve 9 and the first control valve 10 are provided in this order according to the flow direction of the compressed gas. The second pressure regulating valve 20, the throttle valve 30, and the three-way manual valve 40 are sequentially provided in accordance with the flow direction of the compressed gas. The pipeline communicating with the second compressed gas inlet 31 can be connected with an external pipeline through a three-way joint 44.

Optionally, the first cleaning liquid inlet 21 and the second cleaning liquid outlet 32 are communicated through a pipeline, and a second control valve 50 is arranged on the pipeline between the first cleaning liquid inlet 21 and the second cleaning liquid outlet 32. In this embodiment, a second control valve 50 is disposed on a pipeline between the first cleaning liquid inlet 21 and the second cleaning liquid outlet 32, and the second control valve 50 controls the opening and closing of the pipeline between the first cleaning liquid inlet 21 and the second cleaning liquid outlet 32.

Optionally, as shown in fig. 5 and 6, a liquid level alarm 34 is disposed in the pressure cleaning liquid tank 3, and the liquid level alarm 34 can detect the liquid level of the cleaning liquid in the pressure cleaning liquid tank 3, and when the liquid level is lower than a preset liquid level, an alarm signal is sent out, so that a user can timely supplement the cleaning liquid in the pressure cleaning liquid tank 3.

Alternatively, as shown in fig. 1, 7 to 8, the spindle collet cleaning device further includes a cleaning table 4 and a cleaning brush 5, and the nozzle 1 and the cleaning brush 5 are mounted on the cleaning table 4. In this embodiment, the cleaning table 4 is provided, and the cleaning brush 5 and the nozzle 1 are mounted on the cleaning table 4, facilitating the mounting of the cleaning brush 5 and the nozzle 1. Specifically, the cleaning stage 4 may be a cleaning liquid recovery box. When the chuck 901 is cleaned, the cleaning liquid may be sprayed to the chuck 901 through the nozzle 1, or may be brushed by the cleaning brush 5.

Alternatively, as shown in fig. 8 and 9, the cleaning brush 5 includes a brush 51 and a brush holder 52, the brush holder 52 is mounted on the cleaning table 4, a receptacle 521 is axially provided on the brush holder 52, the brush 51 is inserted into the receptacle 521, and a gap exists between the brush 51 and the receptacle 521, the receptacle 521 being used for introducing compressed gas. In the scheme, through the arrangement of the brush seat 52, the insertion hole 521 is formed in the brush seat 52, and the brush 51 is inserted into the insertion hole 521, so that the brush 51 is convenient to install. Meanwhile, compressed gas can be introduced into the insertion hole 521, and after the hairbrush 51 is used regularly, the hairbrush 51 can be cleaned by the compressed gas. Specifically, during cleaning, compressed air is sprayed to the bristles of the brush 51 through the insertion holes 521, so that dirt on the bristles is blown away, and the cleaning purpose is achieved.

Specifically, a third control valve 60 is disposed on the pipeline of the jack 521 connected to the compressed gas, and the third control valve 60 controls the opening and closing of the pipeline of the jack 521 connected to the compressed gas.

Alternatively, as shown in fig. 8, a recovery chamber 41 is provided on the cleaning table 4, and the cleaning brush 5 and the nozzle 1 are located in the recovery chamber 41. In this scheme, further set up on clean bench 4 and retrieve chamber 41, set up cleaning brush 5 and nozzle 1 in retrieving chamber 41, can retrieve the filth that cleaning liquid and nozzle 1, cleaning brush 5 clean down, be convenient for collect the clearance intensively. Specifically, two through holes 43 are formed in the recovery cavity 41, the brush seat 52 and the nozzle 1 are respectively installed in the through holes 43, and a joint 44 is arranged on one side, away from the recovery cavity 41, of the through holes 43, so that connection of pipelines is facilitated. The brush seat 52 and the nozzle 1 can be respectively arranged in the corresponding through holes 43 through threads, a circle of convex edges are arranged on the peripheral surface of the nozzle 1, and a sealing ring is arranged between the convex edges and the through holes 43, so that atomized cleaning liquid in the nozzle 1 is prevented from leaking from the threads.

Alternatively, as shown in fig. 8, the cleaning table 4 includes a cover 42, and the cover 42 is provided to cover the recovery chamber 41. When the main shaft chuck cleaning device is not used, the cover body 42 covers the recovery cavity 41, so that dust generated during drilling of the PCB drilling machine is prevented from polluting the cleaning brush 5 and the nozzle 1, and cleaning of the cleaning brush 5 and the nozzle 1 is ensured.

Optionally, as shown in fig. 1 and 8, the spindle chuck cleaning device further comprises a vacuum generator 7 and a recovery device 8, and a recovery port 47 is formed in the recovery cavity 41; the recovery device 8 communicates with the recovery port 47, and the vacuum generator 7 communicates with the recovery device 8. In this scheme, the cleaning liquid recovered in the recovery cavity 41 is recovered by generating negative pressure by the vacuum generator 7, and the recovered cleaning liquid is retained in the recovery device 8 when entering the recovery device, so that the vacuum generator 7 is prevented from being blocked by dirt in the recovered cleaning liquid, and the cleaning liquid is also intensively recovered. In particular, the recovery device 8 may be a recovery bottle. As shown in fig. 10, a filter screen 45 may be disposed in the recovery port 47, and the filter screen 45 is pressed against the filter screen 45 by a snap ring 46, so as to fix the filter screen 45. Specifically, as shown in fig. 8, a joint 44 is also provided on the outer side of the recovery port 47 to facilitate connection of pipes. As shown in fig. 1, the vacuum generator 7 controls the admission of compressed gas through a fourth control valve 70.

Optionally, as shown in fig. 1, the spindle chuck cleaning device further includes a lifting driving device 6, where the lifting driving device 6 is connected to the cleaning table 4 to drive the cleaning table 4 to lift. In this embodiment, the height of the cleaning brush 5 and the nozzle 1 is adjusted by the lifting driving device 6, so that the chuck 901 is conveniently cleaned. Specifically, the spindle chuck cleaning apparatus further includes a table 80, and the lift drive 6 is mounted on the table 80.

In order to facilitate understanding of the present utility model, the following details are set forth in the general technical scheme of the present utility model:

referring to fig. 1 to 9, after the spindle 90 of the PCB drilling machine is operated for a set time, before the instruction of cleaning the chuck 901 is performed, an operator first removes the cover 42 and then performs the instruction of cleaning the chuck 901, first opens the third control valve 60, and the compressed gas generated by the second compressed gas generating device flows to the cleaning brush 5 through the third control valve 60 to clean the brush 51, thereby avoiding foreign materials on the brush 51 from contaminating the chuck 901 during cleaning. Then, the cutter in the main shaft 90 is retracted to the tool magazine, the chuck 901 is opened, the main shaft 90 is moved to the nozzle 1 by the PCB drilling machine, the lifting driving device 6 drives the nozzle 1 to ascend, and simultaneously the main shaft 90 descends, and the nozzle 1 is inserted into the chuck 901 of the main shaft 90. Then, the first control valve 10 and the second control valve 50 are opened simultaneously, the compressed gas and the cleaning fluid enter the oil-gas mixing device 2 simultaneously, wherein the compressed gas entering the pressure cleaning fluid tank 3 forces the cleaning fluid out, the compressed gas entering the first compressed gas inlet 23 breaks up and atomizes the cleaning fluid, and the atomized cleaning fluid flows to the nozzle 1 through the first cleaning fluid outlet 22 of the oil-gas mixing device 2 and enters the inside of the chuck 901, so as to clean the inside of the chuck 901. After cleaning liquid is washed, the first control valve 10 and the second control valve 50 are closed at the same time, the main shaft 90 is moved to the brush 51, the chuck 901 is aligned with the brush 51, the main shaft 90 is moved up and down, the inner wall of the chuck 901 is brushed by the brush 51, after the set brushing times are reached, the brushing is finished, the main shaft 90 is lifted and moved away, the fourth control valve 70 is opened, vacuum is pumped by the vacuum generator 7, and the cleaning liquid falling into the recovery cavity 41 is pumped out and falls into the recovery device 8 with the filter. Finally, the fourth control valve 70 is closed, the lifting driving device 6 descends to drive the cleaning table 4 to descend, the cover 42 is covered, and the chuck 901 is cleaned.

The utility model also discloses processing equipment comprising the main shaft chuck cleaning device. The processing device may be a PCB drilling machine.

The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (12)

1. The main shaft chuck cleaning device is characterized by comprising a nozzle, an oil-gas mixing device and a pressure cleaning liquid tank; the oil-gas mixing device is provided with a first cleaning fluid inlet and a first cleaning fluid outlet, and the pressure cleaning fluid tank is provided with a second compressed gas inlet and a second cleaning fluid outlet;

the first cleaning liquid outlet is communicated with the nozzle, the pressure cleaning liquid tank is used for containing cleaning liquid, the first cleaning liquid inlet is communicated with the second cleaning liquid outlet, and the second compressed gas inlet is used for introducing compressed gas so as to pressurize the liquid supplied by the second cleaning liquid outlet; the oil-gas mixing device is used for atomizing the cleaning solution and spraying the cleaning solution through the nozzle.

2. The spindle chuck cleaning apparatus as set forth in claim 1, wherein said oil and gas mixing apparatus is further provided with a first compressed gas inlet for introducing compressed gas to atomize the cleaning liquid.

3. The spindle collet cleaning device of claim 1 or 2, further comprising a cleaning station and a cleaning brush, the nozzle and the cleaning brush being mounted on the cleaning station.

4. A spindle chuck cleaning apparatus as set forth in claim 3, wherein said cleaning brush includes a brush and a brush holder, said brush holder being mounted on said cleaning table, said brush holder being axially provided with a receptacle, said brush being inserted in said receptacle with a gap between said brush and said receptacle, said receptacle being adapted for the passage of compressed gas.

5. The spindle chuck cleaning apparatus as set forth in claim 4, wherein said cleaning station defines a recovery chamber, said cleaning brush and said nozzle being located in said recovery chamber.

6. The spindle chuck cleaning device as set forth in claim 5, further comprising a vacuum generator and a recovery device, wherein the recovery chamber has a recovery port therein; the recycling device is communicated with the recycling port, and the vacuum generator is communicated with the recycling device.

7. The spindle chuck cleaning apparatus as set forth in claim 5, wherein said cleaning station includes a cover, said cover being disposed over said recovery chamber.

8. A spindle chuck cleaning device as in claim 3, further comprising a lift drive connected to said cleaning table for driving said cleaning table up and down.

9. The spindle chuck cleaning apparatus as set forth in claim 2, wherein a first pressure regulating valve and a first control valve are provided on the compressed gas inlet line; and a second pressure regulating valve, a throttle valve and a three-way manual valve are arranged on a pipeline of the second compressed gas inlet connected with the compressed gas.

10. The spindle chuck cleaning apparatus as set forth in claim 9, wherein said first cleaning fluid inlet and said second cleaning fluid outlet are in communication via a conduit, and a second control valve is disposed on the conduit between said first cleaning fluid inlet and said second cleaning fluid outlet.

11. A machining apparatus comprising a spindle chuck cleaning device according to any one of claims 1 to 10.

12. The processing apparatus of claim 11, wherein the processing apparatus is a PCB drill.