Film residue filtering device of circuit board

Abstract

The utility model relates to the technical field of filtering equipment, in particular to a film residue filtering device of a circuit board, which comprises a shell, a filtering piece and a vibrator, the shell is provided with a containing cavity, a jet orifice and a slag outlet, the jet orifice and the slag outlet are communicated with the containing cavity, the jet orifice is located at the upper end of the shell, and the slag outlet is located at the lower end of the shell The filtering part is arranged in the containing cavity, the filtering part is provided with a feeding area, a discharging area and filtering net holes, the filtering part is obliquely arranged downwards in the direction from the injection opening to the slag outlet, the feeding area is arranged close to the injection opening, and at least part of the feeding area is located below the injection opening; the spraying opening is used for spraying a mixture obtained by mixing film residues of the circuit board and the film stripping liquid to the feeding area of the filtering part; the vibrator is used for driving the filtering part to vibrate so as to separate the mixture and drive the film residues of the circuit board to move, and the residue outlet is located below the discharging area of the filtering part so that the separated film residues of the circuit board can fall into the residue outlet. The filtering efficiency and the filtering effect of the filtering device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, and particularly relates to a film residue filtering device for a circuit board. Background Art

[0002] The circuit board stripping process is a process of peeling and removing the dry film on the surface of the printed circuit board. In the existing process of the stripping section of the circuit board equipment, a filtering device is usually used to filter the mixed liquid of the stripping liquid and the film residue. When filtering fine film residue, the filtering holes on the filtering device also need to be correspondingly reduced. When the filtering holes of the filtering device are too small, the film residue is likely to block the filtering holes; when the filtering holes are blocked, the liquid medicine flows into the slag receiving frame along the filtering device, resulting in the need for manual cleaning of the film residue on the filtering device frequently. Content of the Utility Model

[0003] The main purpose of the utility model is to provide a film residue filtering device for a circuit board, aiming to improve the filtering efficiency of the filtering device.

[0004] To achieve the above purpose, the utility model provides a film residue filtering device for a circuit board, including: a housing having a receiving cavity, a spraying port and a slag outlet communicated with the receiving cavity, the spraying port is located at the upper end of the housing, and the slag outlet is located at the lower end of the housing;

[0005] a filtering member disposed in the receiving cavity, the filtering member has a feeding area, a discharging area and filtering mesh holes, the filtering member is inclined downward along the direction from the spraying port to the slag outlet, the feeding area is arranged close to the spraying port and at least partially located below the spraying port, and the spraying port is used for spraying the mixture of the film residue and the stripping liquid of the circuit board onto the feeding area of the filtering member; and

[0006] a vibrator disposed on the housing, used to drive the filtering member to vibrate so as to separate the mixture and drive the film residue of the circuit board to move, and the filtering mesh holes are used for the separated stripping liquid to pass through; the slag outlet is located below the discharging area of the filtering member for the separated film residue of the circuit board to fall into.

[0007] In one embodiment, the housing includes a bottom plate, the slag outlet is disposed at one end of the bottom plate along the length direction, the spraying port is located above one end of the bottom plate far from the slag outlet, the bottom plate is inclined downward along the direction from the spraying port to the slag outlet, and the bottom plate is provided with a liquid outlet for discharging the separated stripping liquid.

[0008] In one embodiment, the projection of the filter element located at the end of the blanking area onto the bottom plate along the height direction of the housing falls into the slag outlet. The liquid outlet is arranged close to the slag outlet, and a flow blocking portion is provided between the liquid outlet and the slag outlet along the length direction of the bottom plate. The flow blocking portion is used to prevent the separated film stripping liquid from flowing into the slag outlet.

[0009] In one embodiment, the film slag filtering device of the circuit board further includes an adjusting assembly and a connecting assembly. One end of the connecting assembly is connected to one end of the filter element, and the other end is connected to the adjusting assembly. The end of the filter element away from the connecting assembly is connected to the housing. The adjusting assembly is connected to the housing and is used to drive the connecting assembly to move, so as to drive the end of the filter element close to the connecting assembly to move along the height direction of the housing, so as to adjust the inclination angle of the filter element.

[0010] In one embodiment, the adjusting assembly includes an adjusting bolt and an adjusting nut. The adjusting bolt extends along the height direction of the housing and passes through the housing. At least part of the adjusting bolt is located in the accommodating cavity. The adjusting nut is located in the accommodating cavity and is threadedly connected to the adjusting bolt. The connecting assembly is located in the housing. One end of the connecting assembly is sleeved outside the adjusting bolt and abuts above the adjusting nut.

[0011] In one embodiment, the filtering device includes a fixing assembly. The fixing assembly includes a first connecting piece and a first elastic piece. A fixing column is provided in the housing. One end of the first elastic piece is connected to the fixing column, and the other end is connected to the first connecting piece. The end of the first connecting piece away from the first elastic piece is connected to the end of the filter element away from the connecting assembly.

[0012] In one embodiment, the connecting assembly includes a second connecting piece and a third connecting piece. The second connecting piece includes a sleeving portion and a first connecting portion that are connected to each other. The sleeving portion is connected to the adjusting assembly. The third connecting piece includes a second connecting portion and a supporting portion. The second connecting portion is connected to the first connecting portion. A supporting piece is provided on the supporting portion. The vibrator and the filter element are respectively arranged on both sides of the supporting piece.

[0013] In one embodiment, the connecting assembly further includes a second elastic piece and at least two fixing pieces. Two ends of the second elastic piece are respectively connected to the first connecting portion and the second connecting portion. One fixing piece passes through the first connecting portion and the second elastic piece, and the other fixing piece passes through the second connecting portion and the second elastic piece, so that the second connecting piece and the third connecting piece are connected.

[0014] In one embodiment, the connecting component further includes at least two pressing plates, and the two pressing plates are respectively located between one of the fixing members and the first connecting portion and between the other fixing member and the second connecting portion.

[0015] In one embodiment, a slag receiving portion extends downward along the height direction of the housing at the slag outlet, and the inner diameter of the slag receiving portion gradually decreases from top to bottom along its height direction.

[0016] In the technical solution of the present utility model, when the mixture of the film slag and the stripping solution of the circuit board is sprayed on the filter element, the mixture flows along the inclined filter element. By using a vibrator to vibrate the filter element, the film slag on the filter element is separated from the stripping solution and moves along the feeding area towards the discharging area. Finally, it is driven by the vibration of the filter element to the slag outlet, and the stripping solution flows into the lower part of the filter element through the filter mesh holes and is collected by the collecting device to complete the separation of the film slag and the stripping solution. The present utility model drives the filter element to vibrate through a vibrator to drive the film slag to move on the filter element, avoiding the problem that the film slag in the mixture blocks the filter mesh holes during the filtering process, causing the filtering effect of the filter element to fail, and resulting in the stripping solution and the film slag flowing into the slag outlet together along the filter element. Thus, it is avoided that the film slag on the filter element needs to be continuously cleaned manually, improving the filtering effect and filtering efficiency of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0018] Figure 1 Structural schematic diagram of an embodiment of the film slag filtering device for a circuit board of the present utility model;

[0019] Figure 2 Structural schematic diagram of another embodiment of the film slag filtering device for a circuit board of the present utility model;

[0020] Figure 3 Structural schematic diagram of yet another embodiment of the film slag filtering device for a circuit board of the present utility model;

[0021] Figure 4 For Figure 3 Cross-sectional view along line A-A in

[0022] Explanation of the reference numerals in the drawings:

[0023] 100 - Film slag filtering device for a circuit board;

[0024] 110 - housing, 110a - accommodation chamber, 110b - ejection port, 112 - bottom plate, 112a - slag discharge port, 112b - liquid discharge port, 1121 - flow blocking portion, 113 - fixing post, 114 - slag receiving portion;

[0025] 120 - filter element, 120a - feeding area, 120b - discharging area;

[0026] 130 - vibrator;

[0027] 140 - adjusting assembly, 141 - adjusting bolt, 142 - adjusting nut;

[0028] 150 - connecting assembly, 151 - second connecting member, 1511 - sleeving portion, 1512 - first connecting portion, 152 - third connecting member, 1521 - second connecting portion, 1522 - supporting portion, 153 - supporting member, 154 - second elastic member, 155 - fixing member;

[0029] 160 - fixing assembly, 161 - first elastic member, 162 - first connecting member.

[0030] The realization, functional features and advantages of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

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

[0033] In addition, the descriptions involving "first", "second", etc. in the present utility model are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0034] The circuit board film stripping process is a process of peeling and removing the dry film on the surface of the printed circuit board. In the existing process of the film stripping section of the circuit board equipment, a filtering device is usually used to filter the mixed liquid of the film stripping liquid and the film residues. When filtering the fine film residues, the filtering holes on the filtering device also need to be correspondingly reduced. When the filtering holes of the filtering device are too small, the film residues are likely to block the filtering holes; when the filtering holes are blocked, the chemical solution flows into the slag receiving frame along the filtering device, resulting in the need for manual cleaning of the film residues on the filtering device frequently.

[0035] To solve the above problems, please refer to Figures 1 to 4 , the present utility model provides a film residue filtering device 100 for a circuit board, including a housing 110 having a receiving cavity 110a, a spraying port 110b communicating with the receiving cavity 110a, and a slag outlet 112a. The spraying port 110b is located at the upper end of the housing 110, and the slag outlet 112a is located at the lower end of the housing 110;

[0036] a filtering member 120 disposed in the receiving cavity 110a. The filtering member 120 has a feeding area 120a, a discharging area 120b, and filtering mesh holes. The filtering member 120 is inclined downward along the direction from the spraying port 110b to the slag outlet 112a. The feeding area 120a is arranged close to the spraying port 110b and at least partially located below the spraying port 110b. The spraying port 110b is used to spray the mixture after mixing the film residues and the film stripping liquid of the circuit board onto the feeding area 120a of the filtering member 120; and

[0037] a vibrator 130 disposed on the housing 110, which is used to drive the filtering member 120 to vibrate to separate the mixture and drive the film residues of the circuit board to move. The filtering mesh holes are used for the separated film stripping liquid to pass through; the slag outlet 112a is located below the discharging area 120b of the filtering member 120 for the separated film residues of the circuit board to fall into.

[0038] In this embodiment, when the mixture of the film residue and the stripping solution on the circuit board is sprayed onto the filter element 120, the mixture flows along the inclined filter element 120. By vibrating the filter element 120 with the vibrator 130, the film residue on the filter element 120 is separated from the stripping solution and moves along the feeding area 120a towards the discharging area 120b. Finally, it is driven by the vibration of the filter element 120 to the slag outlet 112a. The stripping solution flows through the filter mesh holes and is collected by the collecting device below the filter element 120 to complete the separation of the film residue and the stripping solution. The utility model drives the filter element 120 to vibrate through the vibrator 130 to drive the film residue to move on the filter element 120, avoiding the problem that the film residue in the mixture blocks the filter mesh holes during the filtering process, causing the filtering effect of the filter element 120 to fail and resulting in the stripping solution and the film residue flowing into the slag outlet 112a together along the filter element 120. Thus, it is not necessary to manually clean the film residue on the filter element 120 continuously, improving the filtering effect and filtering efficiency of the filter.

[0039] It should be noted that in this embodiment, after the stripping solution separated from the mixture passes through the filter mesh holes, it can be collected by a collecting device such as a liquid cylinder, or a liquid outlet 112b can be opened on the housing 110, and a device such as a circulation pump can be provided at the liquid outlet 112b to pump the stripping solution to the upstream device. The collection method of the stripping solution is not limited in this embodiment.

[0040] In one embodiment, the housing 110 is made of high-strength PP (polypropylene) material to improve the anti-vibration strength of the utility model. In one embodiment, a nozzle support is provided at the spraying port 110b. The nozzle support is used to install the nozzle. The nozzle extends along the width direction of the filter element 120, and a plurality of spray holes are provided along the length direction of the nozzle so that the mixture can be quickly sprayed onto the feeding area 120a of the filter element 120.

[0041] In the embodiment of the present utility model, please refer to Figures 1 to 4 , the housing 110 includes a bottom plate 112. The slag outlet 112a is provided at one end of the bottom plate 112 along the length direction. The spraying port 110b is located above one end of the bottom plate 112 away from the slag outlet 112a. The bottom plate 112 is inclined downward along the direction from the spraying port 110b to the slag outlet 112a. The bottom plate 112 is provided with a liquid outlet 112b, and the liquid outlet 112b is used to discharge the separated stripping solution.

[0042] In this embodiment, the slag outlet 112a and the spraying port 110b are respectively located at both ends of the housing 110. The liquid outlet 112b is located on the bottom plate 112 and between the slag outlet 112a and the spraying port 110b, so that after the separated stripping solution passes through the filter mesh holes, it can flow into the liquid outlet 112b.

[0043] In the embodiment of the present utility model, please refer toFigure 1 The projection of the end of the filter element 120 located in the discharge area 120b along the height direction of the shell 110 onto the bottom plate 112 falls into the slag outlet 112a, the liquid outlet 112b is arranged close to the slag outlet 112a, and a blocking portion 1121 is arranged between the liquid outlet 112b and the slag outlet 112a along the length direction of the bottom plate 112, and the blocking portion 1121 is used to prevent the separated defilming liquid from flowing into the slag outlet 112a.

[0044] In this embodiment, the projection of the end of the filter element 120 located in the discharge area 120b along the height direction of the shell 110 onto the bottom plate 112 falls into the slag outlet 112a, that is, the projection of one end of the filter element 120 close to the slag outlet 112a overlaps with part of the slag outlet 112a, so that the film residue on the filter element 120 can fall into the slag outlet 112a when it moves to the end under the vibration of the filter element 120. Furthermore, the liquid outlet 112b is located at one end of the bottom plate 112 close to the slag outlet 112a, and is provided close to the slag outlet 112a. Since the bottom plate 112 is tilted downward in the direction from the injection port 110b to the slag outlet 112a, the separated film stripping liquid falls into the bottom plate 112 and flows into the liquid outlet 112b along the bottom plate 112 under the action of gravity; further, in order to prevent the separated film stripping liquid from flowing over the liquid outlet 112b to the slag outlet 112a due to excessive flow velocity or excessive flow, a flow blocking portion 1121 is provided between the slag outlet 112a and the liquid outlet 112b to avoid the above problem, thereby improving the separation effect of the utility model.

[0045] In the embodiments of the present invention, please refer to Figure 3 and Figure 4 The membrane residue filtering device 100 for a circuit board also includes an adjusting component 140 and a connecting component 150. One end of the connecting component 150 is connected to one end of the filter element 120, and the other end is connected to the adjusting component 140. The end of the filter element 120 away from the connecting component 150 is connected to the shell 110. The adjusting component 140 is connected to the shell 110 and is used to drive the connecting component 150 to move, so as to drive the end of the filter element 120 close to the connecting component 150 to move along the height direction of the shell 110 to adjust the inclination angle of the filter element 120.

[0046] In this embodiment, the inclination angle of the filter element 120 is adjusted by the adjusting assembly 140 to change the moving speed of the membrane residue on the filter element 120, thereby improving the separation efficiency and effect of the mixture of the stripping liquid and the membrane residue. It can be understood that the larger the angle between the filter element 120 and the horizontal plane, the faster the membrane residue moves under the vibration drive of the filter element 120. On the contrary, the smaller the angle between the filter element 120 and the horizontal plane, the slower the membrane residue moves under the vibration drive of the filter element 120. In one embodiment, the angle between the filter element 120 and the horizontal plane is 10° to balance the filtering effect and filtering speed of the filter element 120. In other embodiments, the inclination angle of the filter element 120 is not limited.

[0047] In an embodiment of the present utility model, please refer to Figure 3 , the adjusting assembly 140 includes an adjusting bolt 141 and an adjusting nut 142. The adjusting bolt 141 extends along the height direction of the housing 110 and penetrates through the housing 110. At least part of the adjusting bolt 141 is located in the accommodating cavity 110a. The adjusting nut 142 is located in the accommodating cavity 110a and is threadedly connected to the adjusting bolt 141. The connecting assembly 150 is located in the housing 110. One end of the connecting assembly 150 is sleeved outside the adjusting bolt 141 and abuts against the upper side of the adjusting nut 142.

[0048] Furthermore, one end of the connecting assembly 150 is sleeved outside the adjusting bolt 141 and abuts against the upper side of the adjusting nut 142. By adjusting the position of the adjusting nut 142 on the adjusting bolt 141, the connecting assembly 150 is driven to move along the height direction of the housing 110, thereby driving one end of the filter element 120 close to the connecting assembly 150 to move, so as to change the inclination angle of the filter element 120.

[0049] In an embodiment of the present utility model, please refer to Figure 3 , the filtering device includes a fixing assembly 160. The fixing assembly 160 includes a first connecting member 162 and a first elastic member 161. A fixing column 113 is provided in the housing 110. One end of the first elastic member 161 is connected to the fixing column 113, and the other end is connected to the first connecting member 162. The end of the first connecting member 162 away from the first elastic member 161 is connected to the end of the filter element 120 away from the connecting assembly 150.

[0050] In this embodiment, the end of the filter element 120 away from the connecting assembly 150 is connected to the fixing column 113 on the housing 110 through the first connecting member 162, so that when one end of the filter element 120 close to the connecting assembly 150 moves under the action of the adjusting assembly 140, it remains in its initial position. In this embodiment, the filter element 120 and the housing 110 are connected by the first elastic member 161 to buffer the influence of the vibration generated by the vibrator 130 on the housing 110, and further improve the stability of the present utility model.

[0051] In an embodiment of the present utility model, please refer to Figure 3 and Figure 4 , the connection assembly 150 includes a second connecting member 151 and a third connecting member 152. The second connecting member 151 includes a sleeving portion 1511 and a first connecting portion 1512 that are connected to each other. The sleeving portion 1511 is connected to the adjusting assembly 140. The third connecting member 152 includes a second connecting portion 1521 and a supporting portion 1522. The second connecting portion 1521 is connected to the first connecting portion 1512. A support member 153 is provided on the supporting portion 1522. The vibrator 130 and the filter member 120 are respectively arranged on both sides of the support member 153.

[0052] In an embodiment of the present utility model, please refer to Figure 3 , the connection assembly 150 further includes a second elastic member 154 and at least two fixing members 155. Two ends of the second elastic member 154 are respectively connected to the first connecting portion 1512 and the second connecting portion 1521. One fixing member 155 passes through the first connecting portion 1512 and the second elastic member 154, and the other fixing member 155 passes through the second connecting portion and the second elastic member 154, so as to connect the second connecting member 151 and the third connecting member 152.

[0053] In this embodiment, the fixing member 155 is a screw. The fixing member 155 detachably connects the second connecting member 151 and the third connecting member 152, which is convenient for the disassembly of the connection assembly 150 and the vibrator 130. In addition, a second elastic member 154 is provided between the second connecting member 151 and the third connecting member 152. The second elastic member 154 is used to buffer the influence of the vibration generated by the vibrator 130 on the housing 110, and further improves the stability of the present utility model. In one embodiment, the sleeving portion 1511 is sleeved outside the adjusting bolt 141 and abuts against the upper side of the adjusting nut 142. The movement of the adjusting nut 142 along the length direction of the adjusting bolt 141 drives the sleeving portion 1511 to move along this direction, and drives one end of the filter member 120 close to the connection assembly 150 to move along this direction through the second elastic member 154 and the third connecting member 152, so as to achieve the purpose of adjusting the filter member 120.

[0054] In an embodiment of the present utility model, the connection assembly 150 further includes at least two pressing plates, and the two pressing plates are respectively located between one fixing member 155 and the first connecting portion 1512 and between the other fixing member 155 and the second connecting portion 1521.

[0055] In an embodiment of the present utility model, please refer to Figure 1 and Figure 2 , a slag receiving portion 114 is formed by extending downward along the height direction of the housing 110 at the slag outlet 112a. The inner diameter of the slag receiving portion 114 gradually becomes smaller from top to bottom along its height direction.

[0056] In this embodiment, in order to facilitate the collection of membrane residues, the residue receiving part 114 extends downward along the height direction of the housing 110, which facilitates the arrangement of a residue receiving frame below the housing 110 to cooperate with the residue receiving for collecting membrane residues. The above is only the preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention under the inventive concept of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A circuit board film residue filtering device, characterized in that: include: A shell body having a containing cavity and an injection port and a slag outlet communicated with the containing cavity, wherein the injection port is located at the upper end of the shell body, and the slag outlet is located at the lower end of the shell body; A filter element is arranged in the accommodating cavity, the filter element has a feeding area, a feeding area and a filter mesh, the filter element is arranged to be inclined downward along the direction from the injection port to the slag outlet, the feeding area is arranged close to the injection port and at least partially located below the injection port, and the injection port is used to spray a mixture of film residues of the circuit board and a film stripping liquid toward the feeding area of ​​the filter element; and The vibrator is arranged in the shell and is used to drive the filter element to vibrate so as to separate the mixture and move the film residue of the circuit board. The filter mesh is used for allowing the separated film removal liquid to pass through. The residue outlet is located below the unloading area of ​​the filter element so as to allow the separated film residue of the circuit board to fall into it.

2. The film residue filtering device for circuit board according to claim 1, characterized in that: The shell includes a bottom plate, the slag outlet is arranged at one end of the bottom plate along the length direction, the injection port is located above the end of the bottom plate away from the slag outlet, the bottom plate is inclined downward along the direction from the injection port to the slag outlet, and the bottom plate is provided with a liquid outlet, which is used to discharge the separated film stripping liquid.

3. The film residue filtering device for circuit board as claimed in claim 2, characterized in that: The projection of the end of the filter element located in the discharge area along the height direction of the shell onto the bottom plate falls into the slag outlet, the liquid outlet is arranged close to the slag outlet, and a blocking portion is arranged between the liquid outlet and the slag outlet along the length direction of the bottom plate, and the blocking portion is used to prevent the separated film stripping liquid from flowing into the slag outlet.

4. The film residue filtering device for a circuit board according to any one of claims 1 to 3, characterized in that: The film residue filtering device for the circuit board also includes an adjusting component and a connecting component, one end of the connecting component is connected to one end of the filter element, and the other end is connected to the adjusting component, the end of the filter element away from the connecting component is connected to the shell, and the adjusting component is connected to the shell and is used to drive the connecting component to move, so as to drive the end of the filter element close to the connecting component to move along the height direction of the shell to adjust the inclination angle of the filter element.

5. The film residue filtering device for circuit board as claimed in claim 4, characterized in that: The adjusting assembly includes an adjusting bolt and an adjusting nut. The adjusting bolt extends along the height direction of the shell and is penetrated through the shell. At least a portion of the adjusting bolt is located in the accommodating cavity. The adjusting nut is located in the accommodating cavity and is threadedly connected to the adjusting bolt. The connecting assembly is located in the shell. One end of the connecting assembly is sleeved on the outside of the adjusting bolt and abuts against the top of the adjusting nut.

6. The film residue filtering device for circuit board as claimed in claim 4, characterized in that: The film residue filtering device for the circuit board also includes a fixing component, which includes a first connecting member and a first elastic member. A fixing column is provided in the shell, one end of the first elastic member is connected to the fixing column, and the other end is connected to the first connecting member, and an end of the first connecting member away from the first elastic member is connected to an end of the filter away from the connecting component.

7. The film residue filtering device for circuit board as claimed in claim 4, characterized in that: The connecting component includes a second connecting member and a third connecting member, the second connecting member includes a sleeve portion and a first connecting portion connected to each other, the sleeve portion is connected to the adjustment component, the third connecting member includes a second connecting portion and a supporting portion, the second connecting portion is connected to the first connecting portion, a supporting member is provided on the supporting portion, and the vibrator and the filter are respectively arranged on both sides of the supporting member.

8. The film residue filtering device for circuit board as claimed in claim 7, characterized in that: The connecting assembly also includes a second elastic member and at least two fixing members, the two ends of the second elastic member are respectively connected to the first connecting portion and the second connecting portion, one fixing member passes through the first connecting portion and the second elastic member, and the other fixing member passes through the two connecting portions and the second elastic member to connect the second connecting member and the third connecting member.

9. The film residue filtering device for a circuit board as claimed in claim 8, characterized in that: The connection assembly further includes at least two clamping plates, and the two clamping plates are respectively located between one of the fixing members and the first connection portion and between another of the fixing members and the second connection portion.

10. The film residue filtering device for circuit board according to claim 1, characterized in that: The slag outlet extends downward along the height direction of the shell to form a slag receiving portion, and the inner diameter of the slag receiving portion gradually decreases from top to bottom along the height direction.

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