Dust removal device

Abstract

The utility model discloses a dust removal device relates to dust removal technical field, including dust removal unit and negative pressure unit, dust removal unit includes dust removal subassembly and support subassembly, dust removal subassembly is equipped on the upper side of support subassembly, support subassembly is used for bearing the target that needs dust removal, support subassembly can move along the vertical direction, the dust removal assembly enters the to-be-dedusted target to carry out a dust removal process, or the to-be-dedusted target is driven to move downwards to be separated from the dust removal assembly; the negative pressure unit is used for being connected with a dust removal assembly. The dust removal assembly is located above the supporting assembly, and the shell opening of the battery shell is arranged upwards, so that the battery shell is arranged in the forward direction and does not need to be overturned in the subsequent process, an overturning and supporting cup exchange module does not need to be used, and the cost is low; the shell opening of the battery shell does not need to be in contact with the supporting assembly, so that the influence on subsequent sealing welding is reduced; the air pipe of the dust removal assembly does not need to be wound from bottom to top, and powder blockage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust removal technical field especially relates to a dust removal device. BACKGROUND

[0002] In the production and assembly process of the battery, the dust removal of the battery shell is an important process. In the prior art, a dust removal device is used to perform the dust removal process on the battery shell. The present inventor has found that the existing dust removal device at least has the following problems:

[0003] 1. The existing mechanism is fixed immovably below the dust removal seat, and the shell opening faces downward and is removed with a supporting cup. After the shell is removed, the shell enters the shell process, and a turnover and supporting cup exchange module need to be added, which is high in cost.

[0004] 2. The shell opening faces downward and is removed with a supporting cup, and the shell is lifted with a supporting cup. The upper cam installation and debugging require high.

[0005] 3. The shell opening and the supporting cup are in small-area contact, which affects the subsequent sealing and welding;

[0006] 4. The dust removal seat gas pipe is below, the negative pressure positive pressure gas distribution seat is above, the dust removal seat is immovable, the shell opening faces downward and is lifted with a supporting cup, and the gas pipe needs to be wound from below to above, which is easy to block powder and is not convenient to maintain. INVENTION CONTENTS

[0007] The utility model embodiment proposes a dust removal device, aims at solving at least one technical problem.

[0008] In order to solve the above problems, the utility model embodiment proposes a dust removal device, which comprises:

[0009] A dust removal unit, the dust removal unit comprises a dust removal assembly and a supporting assembly, the dust removal assembly is arranged on the upper side of the supporting assembly, the supporting assembly is used for bearing a target to be removed, and the supporting assembly can move along the up-down direction to drive the target to be removed to move upward so that the dust removal assembly enters the target to be removed to perform a dust removal process, or drives the target to be removed to move downward to be separated from the dust removal assembly.

[0010] A negative pressure unit, the negative pressure unit is used for being connected with the dust removal assembly and is used for providing negative pressure for the dust removal assembly.

[0011] Further technical solutions are that the negative pressure unit comprises a negative pressure gas distribution seat, the negative pressure gas distribution seat is provided with an inner cavity and a negative pressure outlet and a negative pressure inlet communicated with the inner cavity, the negative pressure outlet is detachably connected with the dust removal assembly, and the negative pressure inlet is used for being connected with a negative pressure source.

[0012] Further technical solutions are that the negative pressure gas distribution seat and the inner cavity are both inverted conical structures.

[0013] Further, the negative pressure inlet is arranged at the bottom end of the inner cavity, and the negative pressure outlet is arranged at the top end away from the negative pressure inlet.

[0014] Further, the dust removal assembly comprises a negative pressure pipeline and a positive pressure gas distribution seat, one end of the negative pressure pipeline is detachably connected with the negative pressure unit, the other end of the negative pressure pipeline is provided with a first flange, one end of the positive pressure gas distribution seat is provided with a second flange, the second flange is provided with a negative pressure suction port, the first flange is detachably connected with the second flange, and the negative pressure pipeline is in communication with the negative pressure suction port.

[0015] Further, the dust removal assembly further comprises a blowing pipeline and a gas distribution head, the blowing pipeline is connected with the positive pressure gas distribution seat, and the positive pressure gas distribution seat is detachably connected with the gas distribution head, wherein the gas blown from the blowing pipeline is sequentially blown out after passing through the positive pressure gas distribution seat and the gas distribution head.

[0016] Further, the dust removal assembly further comprises a locking pin shaft, a latch and an elastic member, the locking pin shaft is provided with a clamping groove, the gas distribution head is provided with a locking pin hole and a latch hole, and the locking pin hole is in communication with the latch hole; the elastic member is arranged in the locking pin hole, the locking pin shaft is arranged in the locking pin hole and presses the elastic member, one end of the latch is fixedly arranged on the positive pressure gas distribution seat, and the other end of the latch enters the locking pin hole from the latch hole and is embedded in the clamping groove.

[0017] Further, the dust removal unit comprises a mounting plate, and the dust removal assembly and the supporting assembly are arranged on the mounting plate from top to bottom.

[0018] Further, the supporting assembly comprises a sliding plate, a supporting plate, a supporting cup and a suction seat, the sliding plate is slidably arranged on the mounting plate, the suction seat and the supporting plate are sequentially arranged on the sliding plate from top to bottom, the supporting cup is arranged on the supporting plate, the supporting cup is used for carrying a target to be dusted, and the suction seat is used for adsorbing and fixing the target to be dusted.

[0019] Further, the dust removal device further comprises a driving device, the driving device is connected with the sliding plate and is used for driving the sliding plate to move up and down.

[0020] Further, the driving device comprises a cam and a cam follower, the cam follower is fixedly arranged on the sliding plate, and the cam is connected with the cam follower.

[0021] Compared with the prior art, the technical effects that can be achieved by the embodiments of the utility model include:

[0022] By applying the technical scheme of the embodiment of the utility model, the dust removal device includes a dust removal unit and a negative pressure unit, the dust removal unit includes a dust removal assembly and a supporting assembly, the dust removal assembly is arranged on the upper side of the supporting assembly, the supporting assembly is used for bearing a target to be dusted, the supporting assembly can move along the up-down direction to drive the target to be dusted to move upwards so that the dust removal assembly enters the target to be dusted to carry out a dust removal process, or drives the target to be dusted to move upwards and separates from the dust removal assembly, and the negative pressure unit is used for being connected with the dust removal assembly and is used for providing negative pressure for the dust removal assembly. In the utility model, the dust removal assembly is located above the supporting assembly, the shell opening of the battery shell is arranged upwards, the dust removal assembly enters the battery shell from the top, therefore, the battery shell is arranged in the positive direction, and it is not necessary to turn over in the subsequent process, so it is not necessary to use a turnover and cup supporting exchange module, and the cost is low; the shell opening of the battery shell does not need to be in contact with the supporting assembly, and the influence on subsequent sealing welding is reduced; the air pipe of the dust removal assembly does not need to be wound from the bottom to the top, and powder blocking is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the utility model and, together with the specification, serve to explain the principle of the utility model.

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor.

[0025] One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings, and these exemplary illustrations do not constitute a limitation on the embodiments, and the elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0026] Figure 1 A structural schematic view of a dust removal unit of a dust removal device is provided for the embodiment of the utility model;

[0027] Figure 2 An exploded view of a dust removal assembly of a dust removal device is provided for the embodiment of the utility model;

[0028] Figure 3 A structural schematic view of a pin shaft of a dust removal device is provided for the embodiment of the utility model;

[0029] Figure 4 A structural schematic view of a dust removal device is provided for the embodiment of the utility model;

[0030] Figure 5 A structure schematic view of a dust removal device after a dust removal unit is detached is provided for the embodiment of the utility model;

[0031] Figure 6 A cross section schematic view of a dust removal device after a dust removal unit is detached is provided for the embodiment of the utility model;

[0032] Figure 7 A structure schematic view of a negative pressure gas distribution seat of a dust removal device is provided for the embodiment of the utility model.

[0033] Reference numerals

[0034] The dust removal unit 100, the dust removal assembly 10, the support assembly 20, the negative pressure unit 200, the mounting plate 30, the sliding plate 31, the supporting plate 32, the supporting cup 33, the adsorption seat 34, the cam 41, the cam follower 42, the negative pressure pipeline 21, the positive pressure gas distribution seat 22, the first flange 23, the second flange 24, the negative pressure adsorption port 241, the air blowing pipeline 25, the gas distribution head 26, the locking pin shaft 27, the locking pin 28, the elastic member 29, the locking groove 271, the locking pin hole 261, the locking pin hole 262, the negative pressure gas distribution seat 50, the inner cavity 51, the negative pressure outlet 52, the negative pressure inlet 53, the mounting seat 60, the adsorption pipeline 70, and the target to be dusted 80. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the embodiments to be described are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the utility model.

[0036] It should be understood that, when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of described features, integers, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or a collection thereof.

[0037] It should also be understood that the terms used in the specification of the embodiments of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the utility model. As used in the specification of the embodiments of the utility model and the appended claims, "one", "a", and "the" in singular form are intended to include plural forms, unless the context clearly indicates otherwise.

[0038] Referring to Figures 1-7The utility model embodiment proposes a dust collector, the dust collector includes dust removal unit 100 and negative pressure unit 200, and the specific structure is introduced as follows:

[0039] Dust removal unit 100 includes dust removal assembly 10 and support assembly 20, dust removal assembly 10 is located at the upside of support assembly 20, support assembly 20 is used for carrying the target 80 to be dusted, support assembly 20 can move along the up-down direction, to drive the target 80 to be dusted to move upwards and make dust removal assembly 10 enter the target 80 to be dusted and carry out dust removal process, or drive the target 80 to be dusted to move upwards and separate from dust removal assembly 10. Negative pressure unit 200 is used for being connected with dust removal assembly 10, and is used for providing negative pressure for dust removal assembly 10.

[0040] In the specific implementation, the target 80 to be dusted can be specifically a battery shell. Dust removal assembly 10 can specifically have negative pressure air extraction function and positive pressure air blowing function, dust on the surface of the battery shell is blown up by positive pressure air blowing, and the floating dust is sucked away by negative pressure air extraction, so that the dust in the battery shell is better removed. Support assembly 20 can move up and down, when moving upwards, dust removal assembly 10 enters the target 80 to be dusted and carries out dust removal process, when moving downwards, the target 80 to be dusted is driven to separate from dust removal assembly 10.

[0041] By applying the technical scheme of the utility model embodiment, the dust collector includes dust removal unit 100 and negative pressure unit 200, dust removal unit 100 includes dust removal assembly 10 and support assembly 20, dust removal assembly 10 is located at the upside of support assembly 20, support assembly 20 is used for carrying the target 80 to be dusted, support assembly 20 can move along the up-down direction, to drive the target 80 to be dusted to move upwards and make dust removal assembly 10 enter the target 80 to be dusted and carry out dust removal process, or drive the target 80 to be dusted to move downwards and separate from dust removal assembly 10. Negative pressure unit 200 is used for being connected with dust removal assembly 10, and is used for providing negative pressure for dust removal assembly 10. In the utility model, dust removal assembly 10 is located above support assembly 20, the shell opening of the battery shell is arranged upwards, dust removal assembly 10 enters the battery shell from the top, thereby, the battery shell is arranged in the positive direction, and does not need to be turned over in the subsequent process, so that it does not need to use turnover and cup 33 exchange module, and the cost is low. The shell opening of the battery shell does not need to contact support assembly 20, and the influence on subsequent sealing welding is reduced. The air pipe of dust removal assembly 10 does not need to wind from bottom to top, and powder blocking is avoided.

[0042] Further, in some embodiments, such as the present embodiment, the dust removal unit 100 further comprises a mounting plate 30, and the dust removal assembly 10 and the support assembly 20 are arranged on the mounting plate 30 from top to bottom. The mounting plate 30 is used to realize reliable bearing and mounting of the dust removal assembly 10 and the support assembly 20. It can be understood that the dust removal assembly 10 and the support assembly 20 can be mounted on the mounting plate 30 by fasteners, and the utility model is not specifically limited to this.

[0043] Further, in some embodiments, such as the present embodiment, the support assembly 20 comprises a sliding plate 31, a supporting plate 32, a supporting cup 33, and a suction seat 34. The sliding plate 31 is slidably arranged on the mounting plate 30. The suction seat 34 and the supporting plate 32 are sequentially arranged on the sliding plate 31 from top to bottom. The supporting cup 33 is arranged on the supporting plate 32, and is used to bear the target 80 to be removed. The suction seat 34 is used to adsorb and fix the target 80 to be removed.

[0044] In specific implementation, the suction seat 34 has an arc-shaped notch, and the arc-shaped notch has a suction port. The suction port is connected with the suction pipeline 70. The suction pipeline 70 is connected with a negative pressure source, so as to realize reliable fixation of the target 80 to be removed by adsorption.

[0045] The sliding plate 31 and the mounting plate 30 can be slidably connected by a sliding block and a sliding rail, and the utility model is not specifically limited to this. For example, the sliding plate 31 is provided with a sliding block, and the mounting plate 30 is provided with a sliding rail. The sliding block is embedded in the sliding rail, so as to realize slidable connection of the sliding plate 31 and the mounting plate 30.

[0046] Further, the dust removal device further comprises a driving device. The driving device is connected with the sliding plate 31, and is used to drive the sliding plate 31 to move up and down.

[0047] Specifically, the driving device comprises a cam 41 and a cam follower 42. The cam follower 42 is fixedly arranged on the sliding plate 31, and the cam 41 is connected with the cam follower 42. The cam 41 can be driven by a motor. When the cam 41 rotates, the cam follower 42 drives the sliding plate 31 to move up and down. The cam 41 is arranged on the lower side of the sliding plate 31, and mounting and debugging are more convenient.

[0048] Further, the dust removal assembly 10 comprises a negative pressure pipeline 21 and a positive pressure gas distribution seat 22. One end of the negative pressure pipeline 21 is detachably connected with the negative pressure unit 200. The other end of the negative pressure pipeline 21 is provided with a first flange 23. One end of the positive pressure gas distribution seat 22 is provided with a second flange 24. The second flange 24 is provided with a negative pressure suction port 241. The first flange 23 and the second flange 24 are detachably connected, and the negative pressure pipeline 21 and the negative pressure suction port 241 are in communication.

[0049] In specific implementation, the negative pressure pipeline 21 is used for being connected with a negative pressure source. When the negative pressure pipeline 21 is used for sucking air, the air flows from the negative pressure suction port 241 into the negative pressure pipeline 21, thereby completing the adsorption of the dust. The first flange 23 and the second flange 24 can be connected through fasteners, and the utility model is not specifically limited to this. Further, the first flange 23 can also be installed on the mounting seat 60 through fasteners.

[0050] Further, the dust removal assembly 10 further comprises a blowing pipeline 25 and a gas distribution head 26, the blowing pipeline 25 is connected with the positive pressure gas distribution seat 22, and the positive pressure gas distribution seat 22 is detachably connected with the gas distribution head 26. Wherein, the gas blown from the blowing pipeline 25 is blown out after sequentially passing through the positive pressure gas distribution seat 22 and the gas distribution head 26.

[0051] In specific implementation, the positive pressure gas distribution seat 22 is provided with a first gas flow channel, the blowing pipeline 25 is connected with the first gas flow channel through an interface, the gas distribution head 26 is provided with a second gas flow channel, one end of the second gas flow channel is connected with the first gas flow channel through an interface, and the other end of the second gas flow channel is provided with a plurality of gas outlets, thereby providing air flow in multiple directions and improving the blowing cleaning effect.

[0052] Further, the dust removal assembly 10 further comprises a latch pin shaft 27, a latch pin 28 and an elastic member 29. The latch pin shaft 27 is provided with a clamping groove 271, the gas distribution head 26 is provided with a latch pin hole 261 and a latch pin hole 262, and the latch pin hole 261 and the latch pin hole 262 are communicated. The elastic member 29 is arranged in the latch pin hole 261, the latch pin shaft 27 is arranged in the latch pin hole 261 and presses the elastic member 29, one end of the latch pin 28 is fixedly arranged on the positive pressure gas distribution seat 22, and the other end of the latch pin 28 enters the latch pin hole 261 from the latch pin hole 262 and is embedded in the clamping groove 271.

[0053] In specific implementation, in order to realize the quick detachable connection of the positive pressure gas distribution seat 22 and the gas distribution head 26, the installation mode is as follows: the latch pin shaft 27 is pressed, the latch pin shaft 27 compresses the spring, the latch pin 28 enters the latch pin hole 261 from the latch pin hole 262 and is embedded in the clamping groove 271, the latch pin shaft 27 is loosened, the clamping groove 271 is fixedly locked with the latch pin 28 by the elastic force of the spring, thereby realizing the fixation of the gas distribution head 26 on the positive pressure gas distribution seat 22; the latch pin shaft 27 is pressed again, the latch pin shaft 27 compresses the spring, the latch pin 28 can be taken out from the gas distribution head 26, and the positive pressure gas distribution seat 22 and the gas distribution head 26 are separated.

[0054] By means of quick dismounting and mounting of the positive pressure gas distribution seat 22 and the gas distribution head 26, different lengths of the gas distribution head 26 can be replaced, so as to adapt to dust removal of various types of battery shell.

[0055] Further, in the embodiment, the negative pressure unit 200 comprises a negative pressure gas distribution seat 50, which is provided with an inner cavity 51, a negative pressure outlet 52 and a negative pressure inlet 53 communicating with the inner cavity 51, the negative pressure outlet 52 is detachably connected with the dust removal assembly 10, and the negative pressure inlet 53 is used for being connected with a negative pressure source.

[0056] In a specific implementation, the number of negative pressure outlets 52 can be multiple, so as to simultaneously provide negative pressure for multiple dust removal assemblies 10.

[0057] Correspondingly, the number of support assemblies 20 is also multiple, and the multiple support assemblies 20 are connected with the cam 41.

[0058] Further, in other embodiments, for example, in the embodiment, the negative pressure gas distribution seat 50 and the inner cavity 51 are both inverted conical structures. The inverted conical shape of the inner cavity 51 can facilitate the sliding of the sucked dust and avoid blockage.

[0059] Further, the negative pressure inlet 53 is arranged at the bottom end of the inner cavity 51, located at the top end of the inverted cone, which is beneficial to the sliding of the dust; and multiple negative pressure outlets 53 are arranged at the top end away from the negative pressure inlet 53, so as to surround the inner cavity 51.

[0060] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0061] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0062] In addition, the terms "first", "second", "third", etc. are used herein only to describe different instances, and do not imply or suggest relative importance or a number of the technical features indicated. Thus, the features defined with "first", "second", etc. can include one or more of the features explicitly or implicitly. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0063] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connection", "fixing" and the like should be interpreted broadly, for example, it can be connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] In the present application, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or it can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "lower", "lower" and "lower" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0065] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present application.

[0066] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are within the scope of the claims of the present application and its equivalent technologies, and the present application also intends to include these modifications and variations.

[0067] The above describes the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A dust removal device characterized by comprising: The dust removal unit comprises a dust removal assembly and a support assembly, the dust removal assembly is arranged on the upper side of the support assembly, the support assembly is used for carrying a target to be dusted, and the support assembly can move along the up-down direction to drive the target to be dusted to move upward so that the dust removal assembly enters the target to be dusted to perform a dust removal process, or to move downward to be separated from the dust removal assembly. The negative pressure unit is connected with the dust removal assembly and is used for providing negative pressure for the dust removal assembly. The negative pressure unit comprises a negative pressure distribution seat, the negative pressure distribution seat is provided with an inner cavity, a negative pressure outlet and a negative pressure inlet which are in communication with the inner cavity, the negative pressure outlet is detachably connected with the dust removal assembly, and the negative pressure inlet is used for being connected with a negative pressure source.

2. The dust extraction device of claim 1, wherein The negative pressure distribution seat and the inner cavity are both in a reverse conical structure.

3. The dust extraction device of claim 2, wherein, The negative pressure inlet is arranged at the bottom end of the inner cavity, and the negative pressure outlet is arranged at the top end away from the negative pressure inlet.

4. The dust extraction device of claim 3, wherein The dust removal assembly comprises a negative pressure pipeline and a positive pressure distribution seat, one end of the negative pressure pipeline is detachably connected with the negative pressure unit, the other end of the negative pressure pipeline is provided with a first flange, one end of the positive pressure distribution seat is provided with a second flange, the second flange is provided with a negative pressure suction port, the first flange is detachably connected with the second flange, and the negative pressure pipeline is in communication with the negative pressure suction port.

5. The dust extraction device of claim 2, wherein The dust removal assembly further comprises a blowing pipeline and a distribution head, the blowing pipeline is connected with the positive pressure distribution seat, the positive pressure distribution seat is detachably connected with the distribution head, and the gas blown from the blowing pipeline is sequentially blown out after passing through the positive pressure distribution seat and the distribution head.

6. The dust extraction device of claim 5, wherein The dust removal assembly further comprises a locking pin shaft, a latch and an elastic member, the locking pin shaft is provided with a clamping groove, the distribution head is provided with a locking pin hole and a latch hole, the locking pin hole is in communication with the latch hole, the elastic member is arranged in the locking pin hole, the locking pin shaft is arranged in the locking pin hole and presses the elastic member, one end of the latch is fixedly arranged on the positive pressure distribution seat, and the other end of the latch enters the locking pin hole from the latch hole and is embedded in the clamping groove.

7. The dust extraction device of claim 6, wherein The dust removal unit further comprises a mounting plate, the dust removal assembly and the support assembly are arranged on the mounting plate from top to bottom, the support assembly comprises a sliding plate, a supporting plate, a supporting cup and an adsorption seat, the sliding plate is slidably arranged on the mounting plate, the adsorption seat and the supporting plate are arranged on the sliding plate from top to bottom, the supporting cup is arranged on the supporting plate, the supporting cup is used for carrying the target to be dusted, and the adsorption seat is used for adsorbing and fixing the target to be dusted.

8. The dust extraction device of claim 1, wherein, The driving device is connected with the sliding plate and is used for driving the sliding plate to move up and down.

9. The dust extraction device of claim 8, wherein, The driving device comprises a cam and a cam follower, the cam follower is fixedly arranged on the sliding plate, and the cam is connected with the cam follower.

10. The dust extraction device of claim 9, wherein ​

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