Filter membrane replacement auxiliary device of filter membrane sampling head assembly

Abstract

The utility model discloses a filter membrane replacement auxiliary device of a filter membrane sampling head assembly, which comprises a rack, a rotary table and a stamping cylinder, the lower part of the rack rotatably supports the rotary table on an XY plane, and the upper part of the rack is fixedly provided with the stamping cylinder in a Z direction; the top surface of the supporting turntable is provided with a plurality of punching grooves which are concave downwards in the Z direction and are used for positioning and inserting filter membrane sampling head assemblies; an auxiliary cutter cylinder is coaxially and fixedly arranged at the power output end of the stamping air cylinder and coaxially matched with the stamping groove in the supporting rotary table. A back supporting slope ring inclining towards the opening end of the stamping groove is integrally and fixedly arranged on the edge of the groove bottom of the stamping groove. The auxiliary device can realize assembly line batch operation of replacing the filter membrane of the filter membrane sampling head assembly, and can reduce the labor intensity of operators and improve the working efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter membrane sampling head assembly's filter membrane replacement auxiliary device belongs to filter membrane sampling head assembly's filter membrane replacement auxiliary device technical field. BACKGROUND

[0002] As the common component of flue gas environment detection, low concentration particulate matter sampling head has been widely used, the existing sampling head is mostly composed of elbow, arc pressing plate, filter membrane and metal drag net, the outside of the sampling head is covered and fixed by an aluminum foil ring, and the arc pressing plate, filter membrane and metal drag net are axially limited, the elbow needs to be cleaned before sampling, and the filter membrane needs to be replaced, which requires frequent disassembly or re-bundling of the aluminum foil ring, although the hardness of the aluminum foil ring is not high due to its material, but it is difficult for the sampling personnel to manually remove it due to its thin texture, and there is lack of special tool.

[0003] Therefore, how to design a filter membrane sampling head assembly's filter membrane replacement auxiliary device to facilitate the stamping deformation, cutting removal of the aluminum foil ring, and the wiping and cleaning of the elbow, so as to become the technical problem to be solved by the personnel in the field. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides a filter membrane sampling head assembly's filter membrane replacement auxiliary device, which can realize the flow line batch operation of replacing the filter membrane of the filter membrane sampling head assembly, reduce the labor intensity of the operator, and improve the work efficiency.

[0005] In order to solve the above problems, the utility model provides a filter membrane sampling head assembly's filter membrane replacement auxiliary device, which comprises a rack, a rotary table and a stamping cylinder, wherein the lower part of the rack rotates to support the rotary table on the XY plane, and the upper part of the rack is fixed with the stamping cylinder in the Z direction; a plurality of stamping grooves are formed on the top surface of the supporting rotary table, which are concave in the Z direction and are used for positioning and inserting the filter membrane sampling head assembly; the power output end of the stamping cylinder is coaxially fixed with an auxiliary cutter barrel, the auxiliary cutter barrel is coaxially matched with the stamping grooves on the supporting rotary table; and a back support slope ring inclined to the opening end of the stamping groove is integrally fixed at the edge of the groove bottom of the stamping groove.

[0006] Preferably, the top of the auxiliary cutter barrel is coaxially screwed to the power output end of the stamping cylinder, the auxiliary cutter barrel has a plurality of bottom open structures and is a hollow cylindrical structure, and the plurality of auxiliary cutter barrels include a stamping cutter barrel, a cutting cutter barrel and a cleaning cutter barrel.

[0007] Preferably, the bottom open edge of the stamping cutter barrel is provided with a stamping surface, and the inclination direction of the stamping surface is opposite to that of the back support slope ring.

[0008] Preferably, the bottom open end of the cutting cutter barrel is provided with a cutting ring, and the inner ring of the cutting ring is provided with a radial recessed accommodation ring.

[0009] Preferably, the wiping cotton is combined and adhered on the annular inner wall of the cleaning cutter barrel, the wiping cotton is in a columnar structure and fills the inner cavity space of the sampling head in the lifting path of the cleaning cutter barrel, and a plurality of grooves are cut on the wiping cotton along the axial and radial directions of the cleaning cutter barrel to provide space for the sampling head and facilitate deformation of the wiping cotton.

[0010] Preferably, a motor is fixed on the frame to provide rotary power for the rotary table.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The filter membrane replacement auxiliary device of the filter membrane sampling head assembly of the utility model provides main position support for the rotary table and the stamping cylinder by the frame, positions the sampling head in batches by the plurality of stamping grooves on the rotary table, provides rotary power for the rotary table by the motor, and finally drives the auxiliary cutter barrel to descend by the stamping cylinder, so that the aluminum foil ring at the edge of the sampling head in the stamping groove is subjected to stamping clamping, stamping cutting, and wiping and cleaning processing.

[0013] The stamping surface at the bottom end of the auxiliary cutter barrel cooperates with the back support slope ring inside the stamping groove to clamp the aluminum foil ring, so that the original right-angle structure of the cross section of the aluminum foil ring is stamped and folded into a V-shaped structure, thereby axially and circumferentially binding and restraining the arc-shaped pressing plate, the filter membrane, and the metal trawl net.

[0014] The cutting ring at the bottom end of the cutting cutter barrel cuts the aluminum foil ring, which facilitates disassembly of the sampling head and removal of the filter membrane, and the let-in ring in the inner circle of the cutting ring is used for radial let-in of the sampling head to avoid cutting damage to the arc-shaped pressing plate, the filter membrane, and the metal trawl net.

[0015] Finally, the wiping cotton adhered inside the cleaning cutter barrel is used for wiping the elbow, the elbow is reciprocally wiped in the Z direction by the reciprocating lifting of the stamping cylinder, and in this process, since the elbow is not circumferentially positioned with the stamping groove and the cleaning cutter barrel, in order to avoid the elbow being unable to be inserted into the wiping cotton, a plurality of through grooves are formed on the wiping cotton. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings required to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a side view of the utility model;

[0018] Figure 2 It is a top view of the utility model;

[0019] Figure 3It is the working posture schematic view of the punch cutter cylinder in the utility model;

[0020] Figure 4 It is the working posture schematic view of the cutting cutter cylinder in the utility model;

[0021] Figure 5 It is the working posture schematic view of the cleaning cutter cylinder in the utility model;

[0022] Figure 6 It is the cross section structure schematic view of the cleaning cutter cylinder in the utility model;

[0023] Figure 7 It is the exploded posture schematic view of the sampling head in the utility model;

[0024] In the drawing: 1-frame; 2-punch cylinder; 3-assistant cutter cylinder; 4-rotary table; 5-punch groove; 6-motor; 7-punch cutter cylinder; 8-back support slope ring; 9-cutting cutter cylinder; 10-give place ring; 11-cutting ring; 12-cleaning cutter cylinder; 13-wiping cotton; 14-groove; 15-elbow; 16-arc-shaped pressing plate; 17-filter membrane; 18-metal drag net; 19-punch surface; 20-aluminum foil ring. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation to the present application.

[0026] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The utility model will be further described in detail below in combination with the drawings.

[0028] In combination Figures 1 to 2The utility model discloses a filter membrane replacement auxiliary device of filter membrane sampling head assembly, including frame 1, revolving stage 4, punch cylinder 2, wherein the lower part of frame rotates the support revolving stage on XY plane, and the upper part of frame is fixed with punch cylinder to Z, the top of support revolving stage is provided with a plurality of punch groove 5 of Z -down concave and positioning plug -in filter membrane sampling head assembly, the power output end of punch cylinder is coaxially fixed with auxiliary cutter barrel 3, and the auxiliary cutter barrel is coaxially adapted with punch groove on the support revolving stage, the groove bottom edge of punch groove is integrally fixed with the back support slope ring 8 that is inclined to punch groove opening end.

[0029] Preferably, the top of the auxiliary cutter barrel is coaxially screwed to the power output end of the punch cylinder, the auxiliary cutter barrel has a variety of hollow cylindrical open-end structures, and the variety of auxiliary cutter barrels includes a punch cutter barrel 7, a cutting cutter barrel 9 and a cleaning cutter barrel 12.

[0030] Preferably, as shown in Figure 3 , the bottom opening edge of the punch cutter barrel is provided with a punch surface 19, and the punch surface is opposite to the inclined direction of the back support slope ring.

[0031] Preferably, as shown in Figure 4 , the bottom opening end of the cutting cutter barrel is provided with a cutting ring 11, and the inner ring of the cutting ring is provided with a radial recessed allowance ring 10.

[0032] Preferably, as shown in Figure 5 and Figure 6 , the wiping cotton 13 is compounded and bonded on the annular inner wall of the cleaning cutter barrel, the wiping cotton has a columnar structure and is filled in the inner cavity space of the sampling head in the lifting path of the cleaning cutter barrel, and a plurality of grooves 14 are cut on the wiping cotton along the axial and radial directions of the cleaning cutter barrel to provide allowance for the sampling head and facilitate the deformation of the wiping cotton.

[0033] Preferably, the frame is fixed with a motor 6 for providing rotary power for the revolving stage.

[0034] The working principle of the utility model is as follows:

[0035] The existing sampling head is composed of an elbow 15, an arc-shaped pressing plate 16, a filter membrane 17 and a metal drag net 18. In the detection working state, the arc-shaped pressing plate and the metal drag net enclose a sampling area, and the filter membrane is axially clamped in the sampling area. The elbow is fixed on the arc-shaped pressing plate, and one end of the elbow is connected to the outside flue gas, and the other end of the elbow is connected to the filter membrane in the sampling area of the sampling head.

[0036] When batch sampling head assembly, disassembly and cleaning operations are performed, the punch cutter barrel, the cutting cutter barrel and the cleaning cutter barrel need to be manually replaced on the power output end of the punch cylinder.

[0037] During the sampling head assembly process, the arc-shaped pressing plate, the filter membrane and the metal drag net are coaxially stacked first, and then the aluminum foil ring 20 before deformation is placed in the punch groove (as shown inFigure 7 The arc-shaped pressing plate, filter membrane and metal drag net are placed in the punching groove above the aluminum foil ring (as shown in Figure 3 Finally, the punch knife cylinder is started to punch downward to complete the punching deformation of the aluminum foil ring.

[0038] During the disassembly of the sampling head, the sampling head assembly with the aluminum foil ring is placed in the punching groove, the cutting knife cylinder cuts downward to cut the aluminum foil ring, and after the cutting is completed, the aluminum foil ring becomes a split structure, facilitating the axial separation of the arc-shaped pressing plate, filter membrane and metal drag net in the sampling head.

[0039] During the cleaning of the sampling head, the output end of the punching cylinder is controlled to perform lifting and reciprocating action, so that the grooves on the wiping cotton repeatedly adhere to and wipe the outer wall of the elbow.

[0040] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical solution, which should belong to the protection scope of the present application.

Claims

1. A filter membrane exchange assisting device for a filter membrane sampling head assembly, characterized by: Including frame, rotary table, punch cylinder, wherein the lower part of the frame rotates in XY plane to support rotary table, and the upper part of the frame is fixed in Z direction to punch cylinder;The top surface of the support rotary table is provided with a plurality of punch grooves recessed in Z direction and positioning filter membrane sampling head assembly;The power output end of the punch cylinder is coaxially fixed with an auxiliary cutter barrel, which is coaxially matched with the punch groove on the support rotary table;The edge of the groove bottom of the punch groove is integrally fixed with a back support slope ring inclined to the opening end of the punch groove.

2. The filter replacement assist device for a filter membrane sampling head assembly of claim 1, wherein: The top of the auxiliary cutter barrel is coaxially screwed to the power output end of the punch cylinder, the auxiliary cutter barrel is provided with a plurality of hollow cylindrical bottom open structures, and the plurality of auxiliary cutter barrels include punch cutter barrel, cutting cutter barrel and cleaning cutter barrel.

3. A filter replacement aid for a filter membrane sampling head assembly according to claim 2, wherein: The bottom open edge of the punch cutter barrel is provided with a punch surface, and the inclination direction of the back support slope ring is opposite to that of the punch surface.

4. The filter replacement assist device of a filter membrane sampling head assembly according to claim 2, wherein: The bottom open end of the cutting cutter barrel is provided with a cutting ring, and the inner circle of the cutting ring is provided with a radial recessed accommodation ring.

5. The filter replacement assist device of a filter membrane sampling head assembly according to claim 2, wherein: The wiping cotton is composite bonded on the annular inner wall of the cleaning cutter barrel, which is columnar structure and filled in the inner cavity space of the sampling head in the lifting path of the cleaning cutter barrel, and a plurality of grooves are cut on the wiping cotton along the axial and radial directions of the cleaning cutter barrel to provide accommodation for the sampling head and facilitate the deformation of the wiping cotton.

6. The filter replacement assist device of a filter membrane sampling head assembly according to claim 1, wherein: The frame is fixed with a motor to provide rotary power for the rotary table.

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