CN221569505U - Dust suction valve and laser processing equipment - Google Patents

Abstract

The application relates to a dust collection valve and laser processing equipment, wherein the dust collection valve is used for a dust collection system and comprises a valve body, a valve core and a driving piece, the valve body comprises a first interface, a second interface and a third interface which are mutually communicated, the third interface is positioned between the first interface and the second interface, and the third interface is used for being connected with the dust collection system; the valve core is arranged in the valve body and is in sliding fit with the valve body; the driving piece is connected with the valve core, and the driving piece can drive the valve core to move in the valve body so as to enable the third interface to be communicated with or separated from the second interface. The valve core is arranged in the valve body and is in sliding fit with the valve body, the driving piece penetrates through the first interface and is connected with the valve core, and the driving piece can drive the valve core to move in a direction away from the first interface, so that the third interface is blocked, and the valve is closed; the driving piece can also drive the valve core to move towards the direction close to the first interface, so that the third interface is exposed, and the valve is opened.

Description

Dust suction valve and laser processing equipment

Technical Field

The application relates to the technical field of PCB processing equipment, in particular to a dust collection valve and laser processing equipment.

Background

In the field of PCB processing equipment, waste materials and dust generated in the processing process are cleaned through a dust collection system, so that the cleaning and the normal operation of a working environment are maintained. The small-size dust collection valve is an important component in a dust collection system and is used for controlling the on-off of air flow so as to ensure the normal operation of a dust collection pipeline. However, the existing dust collection valve is easy to be blocked under the working condition of small negative pressure and high dust content.

Disclosure of utility model

Accordingly, it is necessary to provide a dust suction valve and a laser processing apparatus for solving the problem that the dust suction valve is easily stuck.

A suction valve for a suction system, the suction valve comprising:

The valve body comprises a first interface, a second interface and a third interface which are communicated with each other, the third interface is positioned between the first interface and the second interface, and the third interface is connected with the dust collection system;

the valve core is arranged in the valve body and is in sliding fit with the valve body;

The driving piece is connected with the valve core, and can drive the valve core to slide in the valve body so as to enable the third interface to be communicated with or separated from the second interface.

In one embodiment, the valve further comprises a fixing plate, wherein the fixing plate is connected to one side of the valve body so as to seal the first interface;

the driving piece comprises a first cylinder, the first cylinder comprises a first cylinder body and a first push rod which are connected, the first cylinder body is fixedly connected to the fixing plate, the first cylinder body is arranged on the outer side of the valve body, one end of the first push rod is slidably arranged in the valve body, the other end of the first push rod is fixedly connected to the valve core, and the first push rod can slide relative to the first cylinder body to drive the valve core to move.

In one embodiment, the valve further comprises a fixing plate, wherein the fixing plate is connected to one side of the valve body so as to seal the first interface;

The driving piece comprises an air source, an air inlet connector and a second air cylinder arranged in the valve body, the air inlet connector is arranged on one side of the fixing plate far away from the valve body, the second air cylinder comprises a second cylinder body and a second push rod which are connected, the second push rod is connected with the air inlet connector, the second cylinder body is connected with the valve core, and air in the air source can sequentially flow into the second cylinder body through the air inlet connector and the second push rod, so that the second cylinder body moves relative to the second push rod to drive the valve core to move.

In one embodiment, the second cylinder further comprises an elastic piece arranged in the second cylinder body, and the elastic piece is used for pushing the second cylinder body to reset through self elastic force.

In one embodiment, the valve further comprises a fixing plate, wherein the fixing plate is connected to one side of the valve body so as to seal the first interface;

The driving piece comprises an air source and an air inlet connector, the air inlet connector is arranged on one side of the fixing plate far away from the valve body, and air in the air source flows into the valve body through the air inlet connector so as to push the valve core to reciprocate in the valve body.

In one embodiment, the valve further comprises a reset piece, one end of the reset piece is connected with the valve core, the other end of the reset piece is connected with the fixing plate, and the reset piece is used for driving the valve core to reset through self elastic force.

In one embodiment, the valve core comprises a core body, two pressing plates and a locking piece, wherein the outer wall of the core body is in butt joint with the inner wall of the valve core, the two pressing plates are respectively connected to two ends of the core body, a mounting hole and a containing cavity for containing the resetting piece are formed in the core body, and the locking piece penetrates through the mounting hole to connect the valve core and the two pressing plates.

In one embodiment, a felt is disposed on the valve core.

In one embodiment, the valve body is in a T shape, a first channel which is communicated with the first interface and the second interface and a second channel which is communicated with the first channel and the third interface are arranged in the valve body, the first channel and the second channel are vertically arranged, the valve core is arranged in the first channel, and the outer wall of the valve core is attached to the inner wall of the first channel. The application also provides laser processing equipment, which comprises the dust suction valve.

According to the dust collection valve, the three interfaces are arranged on the valve body, the third interface is communicated with the dust collection pipeline, the valve core is arranged in the valve body and is in sliding fit with the valve body, the driving piece is connected with the valve core, and the driving piece can drive the valve core to move in the direction away from the first interface, so that the third interface is blocked, and the third interface and the second interface are separated, so that the valve is closed; the driving piece can also drive the valve core to move towards the direction close to the first interface, so that the third interface is exposed, and the third interface is communicated with the second interface, so that the valve is opened. According to the dust collection valve provided by the application, the valve body is provided with three interfaces, the valve can be opened or closed by driving the valve core to move through the driving piece, and the problem of locking is not easy to occur.

Drawings

Fig. 1 is a schematic structural diagram of a dust suction valve according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a dust suction valve according to a second embodiment of the present application.

Fig. 3 is a schematic structural diagram of a dust suction valve according to a third embodiment of the present application.

In the figure:

100. A valve body; 110. a first interface; 120. a second interface; 130. a third interface; 140. a fixing plate;

200. a valve core; 210. a core; 220. a compacting plate; 230. a locking member;

300. A first cylinder; 310. a first cylinder; 320. a first push rod;

400. an air inlet joint;

500. a second cylinder; 510. a second cylinder; 520. a second push rod;

600. A reset member;

700. A throttle valve.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The application provides a dust collection valve, which is used for a dust collection system, as shown in fig. 1 to 3, and comprises a valve body 100, a valve core 200 and a driving piece, wherein the valve body 100 comprises a first interface 110, a second interface 120 and a third interface 130 which are communicated with each other, the third interface 130 is positioned between the first interface 110 and the second interface 120, and the third interface 130 is connected with the dust collection system; the valve core 200 is arranged in the valve body 100 and is in sliding fit with the valve body 100; the driving member is connected to the valve core 200, and the driving member can drive the valve core 200 to move in the valve body 100 so as to enable the third port 130 and the second port 120 to be communicated or separated.

In the dust collection valve, the third port 130 of the valve body 100 is communicated with a dust collection system, the valve core 200 is arranged in the valve body 100 and is in sliding fit with the valve body 100, the driving piece is connected with the valve core 200, and the driving piece can drive the valve core 200 to move in a direction away from the first port 110, so that the third port 130 is blocked, and the third port 130 and the second port 120 are separated, so that the valve is closed; the driving member can also drive the valve core 200 to move towards the direction approaching the first port 110, so that the third port 130 is exposed, and the third port 130 and the second port 120 are communicated, so that the valve is opened. According to the dust collection valve provided by the application, the valve can be opened or closed by driving the valve core 200 to move through the driving piece, so that the problem of locking is not easy to occur.

In some embodiments, as shown in fig. 1 to 3, the valve body 100 is T-shaped, and the third port 130 is located on the same side of the first port 110 and the second port 120 and is perpendicular to the arrangement direction of the first port 110 and the second port 120. The valve body 100 is provided in a T shape, and the valve body 100 is provided with a first port 110, a second port 120 and a third port 130, that is, the valve body 100 is in a three-way form, and specifically, a low-priced three-way can be used as the valve body.

Specifically, as shown in fig. 1 to 3, a first channel communicating with the first port 110 and the second port 120 and a second channel communicating with the first channel and the third port 130 are disposed in the valve body 100, the first channel and the second channel are vertically disposed, the valve core 200 is disposed in the first channel, and an outer wall of the valve core 200 is attached to an inner wall of the first channel. The driving member drives the valve core 200 to move in the first channel, when the valve core 200 moves to the communication position of the first channel and the second channel, the third interface 130 can be plugged, and it can be understood that the valve core 200 continues to move towards the direction close to the second interface 120, and the third interface 130 can also be plugged.

In some embodiments, a felt is disposed on the cartridge 200. The felt is arranged on the valve core 200, namely the valve core 200 is the felt valve core 200, when the valve is closed, dust collection flow can be effectively reduced to an acceptable range, and when the valve is opened, the felt has good elasticity and wear resistance, so that dust particles can be effectively prevented from blocking the valve body 100, and normal operation of the dust collection valve is ensured.

In the first embodiment, as shown in fig. 1, the dust suction valve further includes a fixing plate 140, and the fixing plate 140 is connected to one side of the valve body 100 to block the first port 110; the driving member includes a first cylinder 300, the first cylinder 300 includes a first cylinder 310 and a first push rod 320 connected to each other, the first cylinder 310 is connected to the fixing plate 140, and the first cylinder 310 is partially disposed on the outer side of the valve body 100, one end of the first push rod 320 is slidably disposed in the valve body 100, and the other end of the first push rod 320 is fixedly connected to the valve core 200, and the first push rod 320 can slide relative to the first cylinder 310 to drive the valve core 200 to move. The first cylinder body 310 of the first cylinder 300 is partially disposed outside the valve body 100, and partially passes through the fixing plate 140, so that the first push rod 320 of the first cylinder 300 can be positioned in the valve body 100, the first push rod 320 is connected to the valve core 200, and the valve core 200 is driven to move by the first push rod 320. And the first cylinder block 310 is coupled to the fixing plate 140, the installation stability of the fixing plate 140 and the first cylinder 300 is enhanced.

In the second embodiment, as shown in fig. 2, the dust suction valve further includes a fixing plate 140, and the fixing plate 140 is connected to one side of the valve body 100 to block the first port 110; the driving part comprises an air source, an air inlet joint 400 and a second air cylinder 500 arranged in the valve body 100, the air inlet joint 400 is arranged on one side of the fixed plate 140 far away from the valve body, the second air cylinder 500 comprises a second cylinder body 510 and a second push rod 520 which are connected, the second push rod 520 is connected to the air inlet joint 400, the second cylinder body 510 is connected to the valve core 200, and air in the air source can flow into the second cylinder body 510 through the air inlet joint 400 and the second push rod 520 in sequence, so that the second cylinder body 510 moves relative to the second push rod 520 to drive the valve core 200 to move. The second air cylinders 500 are all arranged in the valve body 100, the second push rod 520 is connected with the second cylinder body 510, the second push rod 520 of the second air cylinders 500 is communicated with the air inlet joint 400, and air in the air source flows into the second cylinder body 510 through the air inlet joint 400 and the second push rod 520 in sequence, so that the second cylinder body 510 is pushed to move. The second cylinder 510 is connected to the valve core 200, and the second cylinder 510 moves to drive the valve core 200 to move so as to block or expose the third port 130.

Specifically, the gas source has compressed gas therein.

Specifically, the second push rod 520 is a hollow cylinder that facilitates the flow of gas from the gas supply.

In the second embodiment, as shown in fig. 2, the driving member further includes an elastic member disposed in the second cylinder 510, where the elastic member is configured to push the second cylinder 510 to return by self elastic force. An elastic member is disposed in the second cylinder 510, and when the second cylinder 510 moves in a direction away from the second push rod 520 to cause the valve core 200 to block the third port 130, the elastic member is compressed; when no external force acts (i.e. when the gas is stopped from being input), the elastic member resets under the action of the self elastic force, so as to drive the second cylinder 510 to move away from the second port 120, i.e. push the second cylinder 510 to reset, so that the valve core 200 exposes the third port 130.

Specifically, the second cylinder 500 is a single-acting cylinder.

In the third embodiment, as shown in fig. 3, the dust suction valve further includes a fixing plate 140, and the fixing plate 140 is connected to one side of the valve body 100 to block the first port 110; the driving part comprises an air source and an air inlet connector, wherein the air inlet connector is arranged on one side of the fixed plate 140 far away from the valve body, and air in the air source flows into the valve body 100 through the air inlet connector so as to push the valve core 200 to reciprocate in the valve body 100. The valve core 200 can be pushed to move by the gas by directly introducing the gas of the gas source into the first channel of the valve body 100.

Specifically, as shown in fig. 3, the dust suction valve further includes a reset member 600, one end of the reset member 600 is connected to the valve core 200, the other end of the reset member 600 is connected to the fixing plate 140, and the reset member 600 is used for driving the valve core 200 to reset through its own elastic force. The reset piece 600 is arranged, and the valve core 200 is driven to reset by the reset piece 600.

More specifically, the reset element 600 is a tension spring.

In some embodiments, a tension spring is disposed in the first channel of the valve body 100, one end of the tension spring is connected to the fixed plate 140, and the other end of the tension spring is connected to the outer wall of the valve core 200, so that the valve core 200 can be pulled to reset by the tension spring.

In some embodiments, as shown in fig. 3, the valve core 200 includes a core 210, two compression plates 220 and a locking member 230, wherein an outer wall of the core 210 is abutted against an inner wall of the valve core 200, the two compression plates 220 are respectively connected to two ends of the core 210, a mounting hole and a receiving cavity for receiving the reset member 600 are provided on the core 210, and the locking member 230 is inserted into the mounting hole to connect the valve core 200 and the two compression plates 220. Mounting holes are provided in the valve cartridge 200, and the locking member 230 sequentially passes through one of the pressing plates 220, the mounting hole in the core body 210, and is coupled to the other pressing plate 220 to couple the core body 210 and the two pressing plates 220. And a receiving cavity is formed in the core 210 of the valve core 200, one end of the reset element 600 is connected to the fixing plate 140, and the other end passes through the receiving cavity and is connected to the pressing plate 220 near one side of the second port 120, and the reset element 600 can be received by the receiving cavity.

Specifically, as shown in fig. 3, two compression plates 220 are arranged along the distribution direction of the first and second ports 110 and 120, and the core 210 is disposed between the two compression plates 220.

Specifically, as shown in fig. 3, a plurality of reset members 600 are provided, and a plurality of receiving chambers are correspondingly provided.

More specifically, as shown in fig. 3, a plurality of receiving cavities are provided around the circumference of the core 210, and the mounting holes are located between the plurality of receiving cavities.

Specifically, as shown in fig. 3, the driving member further includes a throttle valve 700, and the throttle valve 700 is installed on a line between the intake joint and the air source.

In summary, the dust collection valve has the following beneficial effects:

1. The cost is low: the application adopts the tee joint as the valve body 100, the cylinder as the actuator, the valve core 200 adopts flexible fiber materials such as felt, etc., the cost of the materials is relatively low, and the manufacturing cost is low.

2. The reliability is high: under the working condition of small negative pressure and high dust content, the felt valve core 200 used in the application can effectively reduce dust collection flow to an acceptable range when being closed, and can effectively prevent dust particles from blocking the valve body 100 when being opened due to good elasticity and wear resistance of the felt itself, so that the normal operation of the dust collection valve is ensured.

3. The size is small: the application is designed into a small-size dust suction valve, and is suitable for processing a compact space in a dust suction pipeline system. Compared with the traditional dust collection valve, the standard three-way valve body 100 used in the scheme is matched with a pipeline in size, can be used as a part of a pipeline structure to participate in pipeline switching, and can adapt to the installation requirements of various narrow spaces.

Therefore, compared with the prior art, the application has obvious advantages in terms of cost, reliability and size. The dust collection valve can be manufactured into a small-size dust collection valve with lower cost, reliably works under the working condition of low negative pressure and high dust content, is not easy to be blocked, and meets the requirements of processing a dust collection pipeline system.

The application also provides laser processing equipment, which comprises the dust suction valve of any one of the above. The third port 130 of the dust collection valve is connected to the dust collection system, and the opening and closing of the pipeline of the dust collection system are controlled by the dust collection valve.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A suction valve for a suction system, the suction valve comprising:

The valve body (100) comprises a first interface (110), a second interface (120) and a third interface (130) which are communicated with each other, wherein the third interface (130) is positioned between the first interface (110) and the second interface (120), and the third interface (130) is connected with the dust collection system;

The valve core (200) is arranged in the valve body (100) and is in sliding fit with the valve body (100);

And the driving piece is connected with the valve core (200) and can drive the valve core (200) to slide in the valve body (100) so as to enable the third interface (130) and the second interface (120) to be communicated or separated.

2. The suction valve as set forth in claim 1, further comprising a fixing plate (140), the fixing plate (140) being connected to one side of the valve body (100) to block the first port (110);

The driving piece comprises a first cylinder (300), the first cylinder (300) comprises a first cylinder body (310) and a first push rod (320) which are connected, the first cylinder body (310) is fixedly connected to the fixed plate (140), the first cylinder body (310) is partially arranged on the outer side of the valve body (100), one end of the first push rod (320) is slidably arranged in the valve body (100), the other end of the first push rod (320) is fixedly connected to the valve core (200), and the first push rod (320) can slide relative to the first cylinder (300) so as to drive the valve core (200) to move.

3. The suction valve as set forth in claim 1, further comprising a fixing plate (140), the fixing plate (140) being connected to one side of the valve body (100) to block the first port (110);

The driving piece comprises an air source, an air inlet joint (400) and a second air cylinder (500) arranged in the valve body (100), the air inlet joint (400) is arranged on one side of the fixing plate (140) away from the valve body (100), the second air cylinder (500) comprises a second cylinder body (510) and a second push rod (520) which are connected, the second push rod (520) is connected with the air inlet joint (400), the second cylinder body (510) is connected with the valve core (200), and air in the air source can sequentially flow into the second cylinder body (510) through the air inlet joint (400) and the second push rod (520) so that the second cylinder body (510) moves relative to the second push rod (520) to drive the valve core (200) to move.

4. A suction valve according to claim 3, wherein the second cylinder (500) further comprises an elastic member provided in the second cylinder (510), the elastic member being adapted to urge the second cylinder (500) to return by its own elastic force.

5. The suction valve as set forth in claim 1, further comprising a fixing plate (140), the fixing plate (140) being connected to one side of the valve body (100) to block the first port (110);

The driving piece comprises an air source and an air inlet joint (400), the air inlet joint (400) is arranged on one side of the fixing plate (140) far away from the valve body (100), and air in the air source flows into the valve body (100) through the air inlet joint (400) so as to push the valve core (200) to reciprocate in the valve body (100).

6. The dust suction valve as set forth in claim 5, further comprising a reset member (600), wherein one end of the reset member (600) is connected to the valve core (200), the other end of the reset member (600) is connected to the fixing plate (140), and the reset member (600) is configured to reset the valve core (200) by self elastic force.

7. The dust suction valve according to claim 6, wherein the valve core (200) comprises a core body (210), two pressing plates (220) and a locking member (230), the outer wall of the core body (210) is abutted against the inner wall of the valve core (200), the two pressing plates (220) are respectively connected to two ends of the core body (210), a mounting hole and a containing cavity for containing the resetting member (600) are formed in the core body (210), and the locking member (230) is arranged in the mounting hole in a penetrating mode so as to connect the valve core (200) and the two pressing plates (220).

8. A suction valve according to claim 1, characterized in that the valve core (200) is provided with a felt.

9. The dust suction valve according to claim 1, wherein the valve body (100) is T-shaped, a first channel for communicating the first port (110) and the second port (120), and a second channel for communicating the first channel and the third port (130) are disposed in the valve body (100), the first channel and the second channel are vertically disposed, the valve core (200) is disposed in the first channel, and an outer wall of the valve core (200) is attached to an inner wall of the first channel.

10. A laser processing apparatus comprising a suction valve according to any one of claims 1 to 9.