Welding fume purifier convenient to clean

By designing a welding fume purifier with a shock mechanism and a dust collection drawer, the problems of filter clogging and particulate matter entering the mouth during replacement are solved, achieving efficient cleaning and health protection.

CN224220988UActive Publication Date: 2026-05-12JINAN HUAXIN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINAN HUAXIN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-02-26
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The filters of existing welding fume purifiers are prone to clogging during use, resulting in low cleaning efficiency. Furthermore, when replacing the filters, residual particles can easily enter the operator's mouth, affecting their health.

Method used

Design a welding fume purifier that includes a filter mechanism, a vibration mechanism, and a dust collection drawer. The vibrating element vibrates the filter to cause particulate matter to settle into the dust collection drawer. When replacing the filter, the top block and the fixed frame work together to make the filter fall into the drawer, preventing particles from entering the mouth.

Benefits of technology

It enables efficient cleaning of the filter without opening the box, improving cleaning efficiency and protecting the health of operators when replacing the filter by preventing particles from entering the mouth.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a welding fume purifier convenient to clean, and relates to the technical field of air purification, the welding fume purifier comprises a shell, a filter screen mechanism, a jarring mechanism and a dust accumulation drawer, and a top block is arranged on the inner side of the top of the shell; the filter screen mechanism comprises a filter screen, a fixing frame and a barrel, the fixing frame is arranged on the periphery of the filter screen, the periphery of the fixing frame is connected with the inner periphery of the barrel in an abutting mode, the ejector block is matched with the fixing frame in an abutting mode, and the filter screen and the fixing frame fall into the dust accumulation drawer under the action of the ejector block; the jarring mechanism comprises a cross rod, connecting rods, a vibration piece and a lifting piece, the cross rod is arranged above the shell, the connecting rods are vertically arranged at the two opposite ends of the cross rod respectively, the connecting rods penetrate through the top of the shell and then are fixedly connected with the barrel, the connecting rods are in sliding fit with the top of the shell, and the two connecting rods are fixedly connected with the two opposite ends of the fixing frame respectively. The utility model is more beneficial to the body health of operators.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air purification technical field especially, relate to a kind of welding fume purifier convenient to clean. BACKGROUND

[0002] Welding fume purifier is used to purify the smoke and dust generated in welding, cutting, polishing and other processes.

[0003] The existing welding fume purifier is provided with a filter screen inside the shell. The filter screen filters solid particulate matters in the smoke and dust. The filtered solid particulate matters adhere to the filter screen, which easily causes the filter screen to be blocked, affecting the filtering effect of the filter screen. Therefore, the filter screen usually needs to be disassembled for cleaning. However, the filter screen is sealed and installed inside the shell of the welding fume purifier, which is very troublesome to disassemble and has low work efficiency.

[0004] There are also improvements on the existing technology. The Chinese utility model patent with the authorization announcement number CN210584117U discloses a welding fume purifier convenient to clean filter screen. The welding fume purifier shakes the filter screen mechanism by controlling the up-and-down reciprocating extension of the extension mechanism to shake the filter screen mechanism, so that the particulate matters adhering to the filter screen mechanism fall off and settle in the dust drawer after being shaken, thereby cleaning the filter screen mechanism and ensuring the smoothness of the filter screen mechanism. The filter screen mechanism can be cleaned without opening the box and taking out the filter screen mechanism, effectively improving the cleaning efficiency of the filter screen mechanism.

[0005] The technical solution disclosed in the above patent document has the following technical problems in actual use: Although the cleaning of the filter screen mechanism can be realized without opening the box, the filter screen mechanism still needs to be replaced after a long time of use. When the filter screen mechanism is replaced, the filter screen is usually manually disassembled and taken out at the inspection opening on the side wall. The solid particles remaining on the filter screen mechanism are easily inhaled into the oral cavity of the operator during the disassembly and taking-out process, which is not conducive to the health of the operator. UTILITY MODEL CONTENTS

[0006] The utility model aims to overcome the shortcomings of the prior art and provide a welding fume purifier convenient to clean to solve the problems in the prior art.

[0007] To achieve the above-mentioned purpose, the utility model provides a welding fume purifier convenient to clean, which comprises a shell, a filter screen mechanism, a shaking mechanism and a dust drawer. The filter screen mechanism is arranged in the shell. The dust drawer can be taken out from the side wall of the shell. A top block is arranged on the top inner side of the shell.

[0008] The filter screen mechanism comprises a filter screen, a fixed frame and a cylinder, the outer periphery of the filter screen is fixedly provided with the fixed frame, the outer periphery of the fixed frame is in abutting connection with the inner periphery of the cylinder, the top block is in abutting cooperation with the fixed frame, and the filter screen and the fixed frame fall into the dust collecting drawer under the cooperation of the top block and the fixed frame;

[0009] The jolting mechanism comprises a cross rod, connecting rods, a vibrating member and a lifting member, the cross rod is arranged above the shell, opposite ends of the cross rod are respectively provided with the connecting rods in the vertical direction, the connecting rods are fixedly connected with the cylinder after penetrating through the top of the shell, the connecting rods are in sliding cooperation with the top of the shell, the two connecting rods are respectively fixedly connected with opposite ends of the fixed frame, the lifting member is fixedly connected with the outside of the top of the shell, the lifting member is fixedly connected with the vibrating member, the lifting member controls the lifting of the vibrating member, a vibrating part of the vibrating member is in abutting connection with the bottom of the cross rod, and the top block is in cooperation with the fixed frame under the action of the lifting member.

[0010] Further, the lifting member is a hydraulic oil cylinder, the cylinder body bottom of the hydraulic oil cylinder is fixedly connected with the top of the shell, the vibrating member is a high-frequency pneumatic vibrating hammer, the cylinder body bottom of the high-frequency pneumatic vibrating hammer is fixedly connected with the top of the piston rod of the hydraulic oil cylinder, and the hammer body top of the high-frequency pneumatic vibrating hammer is in abutting connection with the bottom of the cross rod.

[0011] Further, the first and second partitions are arranged in the shell in the horizontal direction, the air inlet cavity is formed between the left side plate of the shell and the first partition, the filter cavity is formed between the first and second partitions, the air outlet cavity is formed between the right side plate of the shell and the second partition, the filter screen mechanism and the dust collecting drawer are arranged in the filter cavity respectively, the dust collecting drawer is located directly below the filter screen mechanism, the top ends of opposite side plates of the dust collecting drawer are respectively provided with insertion holes, and the bottoms of the two connecting rods are respectively in insertion cooperation with the two insertion holes.

[0012] Further, the top block comprises a first top block and a second top block, the top side of the first partition extends outwardly towards the second partition and is provided with a first protrusion, the end of the first protrusion away from the first partition extends downwardly and is provided with the first top block, the top side of the second partition extends outwardly towards the first partition and is provided with a second protrusion, the end of the second protrusion away from the second partition extends downwardly and is provided with the second top block, one end of the upper end surface of the fixed frame is in abutting cooperation with the first top block, and the opposite end of the upper end surface of the fixed frame is in abutting cooperation with the second top block.

[0013] Further, the periphery of the cylinder body is attached to the periphery of the filtering cavity, the outer side of the periphery of the fixed frame extends with a sliding block respectively, the inner side of the periphery of the cylinder body is provided with a sliding groove respectively, the sliding groove penetrates the upper and lower end faces of the cylinder body, the sliding block and the sliding groove correspond to each other and are tightly inserted, and the first top block and the second top block are respectively in abutting fit with the part of the fixed frame provided with the sliding block.

[0014] Further, the left side plate of the shell is provided with an air inlet pipe, one end of the air inlet pipe is communicated with the air inlet cavity, the other end of the air inlet pipe is connected with an air extractor, the air extractor is connected with a suction pipe, the filtering cavity is divided into an upper chamber and a lower chamber through the filter screen mechanism, the lower chamber is communicated with the air inlet cavity, and the upper chamber is communicated with the air outlet cavity.

[0015] Further, the filtering cavity and the air outlet cavity are communicated through a first connecting hole, and the first connecting hole penetrates the left and right end faces of the second protrusion.

[0016] Further, the top outer side of the shell is provided with a protective cover, and the hydraulic oil cylinder and the high-frequency pneumatic vibration hammer are arranged in the protective cover respectively.

[0017] Further, the air inlet cavity is provided with a controller and a third partition plate, the lifting piece, the vibration piece and the air extractor are electrically connected with the controller respectively, the third partition plate and the bottom of the air inlet cavity form an installation cavity, and the controller is arranged in the installation cavity.

[0018] The utility model discloses beneficial effect is:

[0019] When needing to clean the filter screen, the vibration part on the vibration piece continuously strikes the bottom of the horizontal rod, under the action of the connecting rod, the filter screen mechanism reciprocates along the vertical direction, the particles adhered on the filter screen fall and settle in the dust drawer, so as to clean the filter screen mechanism, ensure the smoothness of the filter screen, and the cleaning can be completed without taking out the filter screen mechanism, and the cleaning efficiency of the filter screen mechanism is effectively improved.

[0020] When needing to replace the filter screen mechanism, the vibration piece stops working, the lifting piece controls the vibration piece to rise, under the abutting connection of the vibration part on the vibration piece and the horizontal rod, the horizontal rod rises, the horizontal rod drives the filter screen mechanism to rise through the connecting rod, in the process that the filter screen mechanism rises, the top block is in abutting fit with the fixed frame, under the action of the top block, the filter screen and the fixed frame fall into the dust drawer together, after the filter screen is placed in the dust drawer for a period of time, the filter screen is taken out through the dust drawer, in the process that the filter screen is taken out, the solid particles remaining on the filter screen are not easy to enter the oral cavity of the operator, and the health of the operator is protected. DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from the structures shown in these drawings without creative labor.

[0022] Figure 1 The overall structure diagram of the welding smoke purifier convenient to clean of the utility model;

[0023] Figure 2 The assembly structure diagram of the shock mechanism and the top of the shell in the welding smoke purifier convenient to clean of the utility model;

[0024] Figure 3 The structure diagram after removing the shock mechanism and the filter screen mechanism in the welding smoke purifier convenient to clean of the utility model;

[0025] Figure 4 The Figure 3 The local enlarged view of A in the figure;

[0026] Figure 5 The structure diagram of the filter screen mechanism in the welding smoke purifier convenient to clean of the utility model;

[0027] Figure 6 The structure diagram after removing the cylinder in the filter screen mechanism in the welding smoke purifier convenient to clean of the utility model;

[0028] Figure 7 The structure diagram of the cylinder in the welding smoke purifier convenient to clean of the utility model;

[0029] Figure 8 The structure diagram of the dust accumulation drawer in the welding smoke purifier convenient to clean of the utility model.

[0030] In the figure, 1, the shell; 11, the air inlet cavity; 12, the filter cavity; 13, the air outlet cavity; 14, the air inlet pipe; 15, the air outlet pipe; 16, the protective cover; 17, the first partition; 171, the first protrusion; 1711, the first through hole; 1712, the second connecting hole; 172, the first top block; 18, the second partition; 181, the second protrusion; 1811, the second through hole; 1812, the first connecting hole; 19, the third partition; 182, the second top block; 2, the air extractor; 21, the suction pipe; 3, the filter screen mechanism; 31, the cylinder; 311, the third through hole; 312, the chute; 32, the fixed frame; 321, the sliding block; 33, the filter screen; 4, the dust drawer; 41, the jack; 5, the shock mechanism; 51, the cross rod; 52, the connecting rod; 53, the vibrating piece; 54, the flange pair; 55, the lifting piece; 6, the activated carbon filter screen; 7, the controller. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described below in conjunction with the accompanying drawings. Figure 1 - the accompanying drawings Figure 8 It should be noted that the technical solutions in the embodiments of the present application are clearly and completely described, and the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications also change accordingly.

[0033] In addition, the description such as “first”, “second” and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features defined as “first”, “second” can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of “multiple” is at least two, such as two, three, etc., unless otherwise specifically limited.

[0034] In the present application, unless otherwise specifically defined and limited, the terms “connection”, “fixing” and the like should be understood in a broad sense, for example, “fixing” can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. 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.

[0035] In addition, the technical solutions among various embodiments of the present application can be combined with each other, but the combination of the technical solutions should be considered not to exist and not within the protection scope of the present application on the basis that the combination of the technical solutions can be realized by the ordinary skilled in the art, and the combination of the technical solutions cannot be realized or contradicts each other.

[0036] The utility model provides a kind of welding fume purifier convenient to clean, including shell 1, filter screen mechanism 3, shock mechanism 5 and dust drawer 4, filter screen mechanism 3 is located in shell 1, dust drawer 4 can be extracted from the lateral wall of shell 1, the top inboard of shell 1 is equipped with top block;Filter screen mechanism 3 includes filter screen 33, fixed frame 32 and cylinder 31, the outer periphery of filter screen 33 is equipped with fixed frame 32, the outer periphery of fixed frame 32 and the inner periphery of cylinder 31 are connected, top block and fixed frame 32 are in contact, under the cooperation of top block and fixed frame 32, filter screen 33 and fixed frame 32 fall into dust drawer 4;Shock mechanism 5 includes cross bar 51, connecting rod 52, vibrating element 53 and lifting element 55, cross bar 51 is located above shell 1, opposite ends of cross bar 51 are respectively provided with connecting rod 52 along vertical direction, connecting rod 52 is fixedly connected with cylinder 31 after passing through the top of shell 1, connecting rod 52 and the top of shell 1 are slidingly connected, two connecting rods 52 are respectively fixedly connected with opposite ends of fixed frame 32, lifting element 55 is fixedly connected with the top outside of shell 1, lifting element 55 is fixedly connected with vibrating element 53, lifting element 55 controls the lifting of vibrating element 53, the bottom of cross bar 51 is connected with the upper vibrating part of vibrating element 53 under the action of lifting element 55, and top block is cooperated with fixed frame 32.

[0037] In the technical solutions of the present application, when filter screen 33 needs to be cleaned, the upper vibrating part of vibrating element 53 continuously shocks the bottom of cross bar 51, under the action of connecting rod 52, filter screen mechanism 3 reciprocates along the vertical direction, the particles adhered to filter screen 33 fall off and settle in dust drawer 4, so as to clean filter screen mechanism 3 and ensure the smoothness of filter screen mechanism 3, without opening the box to take out filter screen mechanism 3, the cleaning efficiency of filter screen mechanism 3 is effectively improved;When filter screen mechanism 3 needs to be replaced, vibrating element 53 stops working, lifting element 55 controls the upward movement of vibrating element 53, under the connection of the upper vibrating part of vibrating element 53 and the bottom of cross bar 51, cross bar 51 moves upward, cross bar 51 drives filter screen mechanism 3 to move upward through connecting rod 52, under the upward movement of filter screen mechanism 3, top block is in contact with fixed frame 32, under the action of top block, filter screen 33 and fixed frame 32 fall into dust drawer 4 together, after filter screen 33 is placed in dust drawer 4 for a period of time, filter screen 33 is taken out through dust drawer 4, in the process of taking out filter screen 33, the solid particles remaining on filter screen 33 are not easy to enter the mouth of the operator, which is beneficial to the health of the operator.

[0038] With regard to the specific structure of the lifting member 55 and the vibrating member 53, as a preferred embodiment, the further improvement of the utility model lies in that the lifting member 55 is a hydraulic cylinder, the cylinder bottom of the hydraulic cylinder is fixedly connected with the top of the shell 1, the vibrating member 53 is a high-frequency pneumatic vibrating hammer, the cylinder bottom of the high-frequency pneumatic vibrating hammer is fixedly connected with the top of the piston rod of the hydraulic cylinder, the top of the hammer body of the high-frequency pneumatic vibrating hammer is abuttingly connected with the bottom of the horizontal rod 51, and the central axes of the hydraulic cylinder and the high-frequency pneumatic vibrating hammer are respectively arranged along the vertical direction.

[0039] The high-frequency pneumatic vibrating hammer and the hydraulic cylinder are all prior arts, which can be purchased in various sales websites or physical stores, and the specific structure and working principle thereof will not be introduced in detail here to avoid commercial propaganda, and it needs to be explained that the cylinder bottom of the hydraulic cylinder is provided with a connecting flange, the connecting flange and the top of the shell 1 are connected through bolts, and the cylinder bottom of the high-frequency pneumatic vibrating hammer and the top of the piston rod of the hydraulic cylinder are fixedly connected through a flange pair 54 and a plurality of bolts.

[0040] In order to prevent the dust collection drawer 4 and the shell 1 from being separated, thereby preventing the particles in the dust collection drawer 4 from leaking out, as a preferred embodiment, the further improvement of the utility model lies in that the first partition plate 17 and the second partition plate 18 are arranged in the shell 1 along the horizontal direction at intervals, the left side plate of the shell 1 and the first partition plate 17 form the air inlet chamber 11, the first partition plate 17 and the second partition plate 18 form the filter chamber 12, the right side plate of the shell 1 and the second partition plate 18 form the air outlet chamber 13, the filter screen mechanism 3 and the dust collection drawer 4 are arranged in the filter chamber 12 respectively, the dust collection drawer 4 is located directly below the filter screen mechanism 3, the top ends of the opposite side plates of the dust collection drawer 4 are respectively provided with the insertion hole 41, and the bottoms of the two connecting rods 52 are respectively inserted into the two insertion holes 41 in a plug-fit manner.

[0041] The bottom of the connecting rod 52 is inserted into the insertion hole 41, which can effectively prevent the dust collection drawer 4 and the shell 1 from being separated, especially during the movement of the utility model, thereby effectively preventing the particles in the dust collection drawer 4 from leaking out, when the filter screen 33 and the fixed frame 32 need to be taken out through the dust collection drawer 4, the lifting member 55 controls the vibrating member 53 to rise, the vibrating member 53 lifts up the horizontal rod 51, the horizontal rod 51 drives the connecting rod 52 to rise until the connecting rod 52 and the insertion hole 41 are separated.

[0042] For the specific structure of the top block, as a preferred embodiment, the further improvement of the utility model lies in, the top block includes first top block 172 and second top block 182, the top side of first partition 17 extends first protrusion 171 towards second partition 18, the end of first protrusion 171 away from first partition 17 extends first top block 172 downwards, the top side of second partition 18 extends second protrusion 181 towards first partition 17, the end of second protrusion 181 away from second partition 18 extends second top block 182 downwards, one end of the upper end face of fixed frame 32 is in abutment with first top block 172, and the opposite end of the upper end face of fixed frame 32 is in abutment with second top block 182.

[0043] One end of the upper end face of fixed frame 32 is in abutment with first top block 172, and the opposite end of the upper end face of fixed frame 32 is in abutment with second top block 182, so that fixed frame 32 can more reasonably bear the abutment force from the top block, thereby making it easier to separate fixed frame 32 and cylinder 31.

[0044] In order to better limit the up-down movement of the connecting rod 52 and prevent the top of the shell 1 from being too thick, as a preferred embodiment, the further improvement of the utility model lies in that one of the connecting rods 52 passes through the first protrusion 171 through the first through hole 1711 and is in sliding fit with the first protrusion 171, and the other connecting rod 52 passes through the second protrusion 181 through the second through hole 1811 and is in sliding fit with the second protrusion 181.

[0045] In order to facilitate the fixed connection between the connecting rod 52 and the fixed frame 32, as a preferred embodiment, the further improvement of the utility model lies in that the opposite ends of the upper end face of fixed frame 32 are respectively provided with third through holes 311, and the connecting rod 52 is fixedly connected with fixed frame 32 after passing through the third through holes 311.

[0046] In order to further facilitate the separation between fixed frame 32 and cylinder 31, as a preferred embodiment, the further improvement of the utility model lies in that the periphery of cylinder 31 is attached to the periphery of filter cavity 12, the periphery of fixed frame 32 extends outwardly and has sliding blocks 321, the periphery of cylinder 31 is respectively provided with sliding grooves 312, the sliding grooves 312 pass through the upper and lower end faces of cylinder 31, the sliding blocks 321 and the sliding grooves 312 are one-to-one corresponding and tightly inserted, and the first top block 172 and the second top block 182 are respectively in abutment with the part of fixed frame 32 provided with sliding blocks 321.

[0047] The left side plate of the shell 1 is provided with an air inlet pipe 14, one end of the air inlet pipe 14 is communicated with the air inlet cavity 11, the other end of the air inlet pipe 14 is connected with the air extractor 2, the air extractor 2 is connected with a suction pipe 21, the filter cavity 12 is divided into an upper chamber and a lower chamber by the filter screen mechanism 3, the lower chamber is communicated with the air inlet cavity 11, the upper chamber is communicated with the air outlet cavity 13, the air outlet cavity 13 is provided with an activated carbon filter screen 6, the bottom of the air outlet cavity 13 is provided with an air outlet pipe 15, the air outlet pipe 15 is located below the activated carbon filter screen 6. The upper chamber of the filter cavity 12 and the air outlet cavity 13 are communicated through a first connecting hole 1812, the first connecting hole 1812 penetrates the left and right end faces of the second protrusion 181, the air inlet cavity 11 and the lower chamber are communicated through a second connecting hole 1712.

[0048] The top outer side of the shell 1 is provided with a protective cover 16, the hydraulic oil cylinder and the high-frequency pneumatic vibration hammer are respectively arranged in the interior of the protective cover 16.

[0049] The air inlet cavity 11 is provided with a controller 7 and a third partition plate 19, the lifting piece 55, the vibration piece 53 and the air extractor 2 are respectively electrically connected with the controller 7, the third partition plate 19 and the bottom of the air inlet cavity 11 form a mounting cavity, the controller 7 is arranged in the mounting cavity.

[0050] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, any equivalent structural transformation made according to the contents of the present application and the drawings, or direct / indirect application in other related technical fields are included in the patent protection range of the present application.

Claims

1. A welding fume purifier that is easy to clean, comprising a housing, a filter mechanism, a vibration mechanism, and a dust collection drawer, wherein the filter mechanism is disposed within the housing, and the dust collection drawer can be pulled out from the side wall of the housing, characterized in that, A top block is provided on the inner side of the top of the outer casing; The filter mechanism includes a filter screen, a fixed frame, and a cylinder. The fixed frame is fixedly mounted on the outer periphery of the filter screen. The outer periphery of the fixed frame is in contact with the inner periphery of the cylinder. The top block is in contact with the fixed frame. With the cooperation of the top block and the fixed frame, the filter screen and the fixed frame fall into the dust collection drawer. The vibration mechanism includes a crossbar, connecting rods, a vibrating element, and a lifting element. The crossbar is located above the outer shell. The connecting rods are vertically arranged at opposite ends of the crossbar. The connecting rods pass through the top of the outer shell and are fixedly connected to the cylinder. The connecting rods are slidably engaged with the top of the outer shell. The two connecting rods are fixedly connected to opposite ends of the fixed frame. The lifting element is fixedly connected to the outer top of the outer shell and to the vibrating element. The lifting element controls the lifting of the vibrating element. The vibrating part of the vibrating element abuts against the bottom of the crossbar. Under the action of the lifting element, the top block engages with the fixed frame. The outer casing is provided with a first partition and a second partition at horizontal intervals. An air inlet chamber is formed between the left side plate of the outer casing and the first partition, a filter chamber is formed between the first partition and the second partition, and an air outlet chamber is formed between the right side plate of the outer casing and the second partition. The filter screen mechanism and the dust collection drawer are respectively disposed in the filter chamber. The dust collection drawer is located directly below the filter screen mechanism. The top of the opposite side plates of the dust collection drawer are respectively provided with insertion holes, and the bottom of the two connecting rods are respectively inserted into the two insertion holes. The top block includes a first top block and a second top block. A first protrusion extends from the top side of the first partition towards the second partition. A first top block extends downward from the end of the first protrusion away from the first partition. A second protrusion extends from the top side of the second partition towards the first partition. A second top block extends downward from the end of the second protrusion away from the second partition. One end of the upper surface of the fixing frame abuts against the first top block, and the other end of the upper surface of the fixing frame abuts against the second top block.

2. The welding fume purifier as described in claim 1, characterized in that, The lifting component is a hydraulic cylinder, with the bottom of the cylinder body fixedly connected to the top of the outer casing. The vibrating component is a high-frequency pneumatic vibrating hammer, with the bottom of the cylinder body fixedly connected to the top of the piston rod of the hydraulic cylinder, and the top of the hammer body abutting against the bottom of the crossbar.

3. The welding fume purifier as described in claim 1, characterized in that, The cylinder body fits snugly against the filter chamber. Slider blocks extend outward from the outer sides of the fixed frame. Slider grooves are provided on the inner sides of the cylinder body. The slide grooves penetrate the upper and lower end faces of the cylinder body. The sliders correspond one-to-one with the slide grooves and are tightly inserted. The first top block and the second top block respectively abut against the parts of the fixed frame where the sliders are provided.

4. The welding fume purifier as described in claim 3, characterized in that, The left side panel of the outer casing is provided with an air inlet pipe. One end of the air inlet pipe is connected to the air inlet chamber, and the other end of the air inlet pipe is connected to an exhaust fan. The exhaust fan is connected to a suction pipe. The filter chamber is divided into an upper chamber and a lower chamber through the filter screen mechanism. The lower chamber is connected to the air inlet chamber, and the upper chamber is connected to the air outlet chamber.

5. The welding fume purifier as described in claim 4, characterized in that, The filter chamber and the air outlet chamber are connected by a first connecting hole, which penetrates the left and right end faces of the second protrusion.

6. The welding fume purifier as described in claim 2, characterized in that, The outer top of the housing is provided with a protective cover, and the hydraulic cylinder and the high-frequency pneumatic vibratory hammer are respectively located inside the protective cover.

7. The welding fume purifier as described in claim 5, characterized in that, The air intake chamber is equipped with a controller and a third partition. The lifting component, the vibrating component, and the exhaust fan are electrically connected to the controller. The third partition and the bottom of the air intake chamber form an installation cavity, and the controller is located in the installation cavity.