Built-in dust filter of filtering, washing and drying machine

Abstract

The utility model discloses a built-in dust filter of a filtering, washing and drying machine, which is arranged between a tank body and a vacuum pipeline, and the side part of the vacuum pipeline is provided with a reverse blowing port; comprising a filter element and a transition flange, a mounting pipe is arranged on a tank body, a lower connecting flange is arranged at the upper end of the mounting pipe, an upper connecting flange is arranged at the lower end of a vacuum pipeline, the transition flange is arranged between the upper connecting flange and the lower connecting flange, and the upper end of the transition flange is connected with the upper connecting flange through a first clamp. The lower end of the transition flange is connected with the lower connecting flange through a second hoop, the filter element is arranged in the mounting pipe, a connecting ring is arranged on the periphery of the filter element, and the connecting ring is mounted between the upper connecting flange and the transition flange in a sealing manner. The filter cloth is convenient to disassemble and assemble, the filter cloth is frequently replaced without worrying about the problem of thread slipping, and the filter cloth has the advantages of low manufacturing cost and small occupied space.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, especially filter washing drying machine's built -in dust filter. BACKGROUND

[0002] Filter equipment refers to a kind of equipment with filtering function, which obtains purer medium by filtering impurities in medium.In the vacuum drying process of filter equipment, dust in material can move along with vacuum pipeline under the action of vacuum generating device, to avoid dust being extracted, dust filter is added in vacuum pipeline to collect dust.

[0003] In prior art, the commonly used medium of dust filter is metal sintered mesh and filter cloth, but since it is installed by fastening with fastener, operation is more cumbersome, and frequent replacement of filter cloth can cause silk slipping phenomenon, which is easy to produce material residue and dead angle. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of built-in dust filters of filter washing drying machine, the utility model is easy to operate, frequent replacement of filter cloth does not worry silk slipping problem, and it has the advantages of low cost and small space occupation.

[0005] To achieve the above object, the utility model provides the following technical scheme: the built-in dust filter of filter washing drying machine is installed between tank body and vacuum pipeline, the vacuum pipeline side is provided with blowback port;Including filter core and transition flange, the tank body is equipped with installation pipe, the installation pipe upper end is equipped with lower connection flange, the vacuum pipeline lower end is equipped with upper connection flange, the transition flange is arranged between upper connection flange and lower connection flange, and the upper end of the transition flange is connected together with upper connection flange by first clamp, the lower end of the transition flange is connected together with lower connection flange by second clamp, the filter core is arranged in installation pipe, and the outer periphery of filter core is equipped with connecting ring, the connecting ring is sealedly installed between upper connection flange and transition flange.

[0006] By adopting the above technical scheme, clamp type structure is used to connect with tank body, it is easy to operate, frequent replacement of filter cloth does not worry silk slipping problem, transition flange can be replaced at any time, sintered mesh structure filter core is replaced according to product, flange is connected by clamp, it has the advantages of low cost and small space occupation.

[0007] The utility model is further provided as, the filter core includes the support framework of cylinder and the filter cloth of cladding on the outer wall of support framework, and the connecting ring is arranged on the upper end of support framework.

[0008] By adopting the technical scheme, the first structure of the filter core is adopted, that is, the filter cloth is matched with the support framework, and the filter core is suitable for products that need to filter out part of oil and impurities.

[0009] The utility model further provides, the transition flange upper end is equipped with annular let -alone recess, the connecting ring is connected in the annular let -alone recess through fastener.

[0010] By adopting the technical scheme, the connecting structure is simple and reliable, and is very convenient to disassemble and assemble, and the annular let -alone recess provides a let -alone space for accommodating the connecting ring and the fastener, thereby greatly reducing the occupied space.

[0011] The utility model further provides, the upper connection flange is equipped with first sealing ring for constituting sealed cooperation with transition flange upper end.

[0012] By adopting the technical scheme, the sealing installation of the connecting ring can be realized under the structure, and leakage of internal medium from the gap between the upper connection flange and the transition flange to the outside is avoided.

[0013] The utility model further provides, the connecting ring is welded in the support framework periphery, and the inner diameter of connecting ring is greater than the outer diameter of support framework.

[0014] By adopting the technical scheme, the connecting structure is simple and firm, and the connecting ring will not scratch the parts when being sleeved on the periphery of the support framework before welding.

[0015] The utility model further provides, the filter core is including sintered mesh that is cylindrical, and the connecting ring is arranged on the upper end of sintered mesh.

[0016] By adopting the technical scheme, the second structure of the filter core is adopted, that is, the sintered mesh structure filter core is replaced according to the product, and the filter core is suitable for the scene of high-precision and high-temperature filter material.

[0017] The utility model further provides, the upper connection flange lower end is equipped with first positioning recess, the transition flange upper end is equipped with second positioning recess, first positioning recess and second positioning recess combination form a positioning cavity, the connecting ring is embedded in the positioning cavity.

[0018] By adopting the technical scheme, the installation of the connecting ring can be realized when the upper connection flange is connected with the transition flange without the help of the fastener, and the disassembly and assembly operation is very convenient.

[0019] The utility model further provides, the upper end of connecting ring is equipped with second sealing ring for constituting sealed cooperation with the upper end surface of first positioning recess, and the lower end of connecting ring is equipped with third sealing ring for constituting sealed cooperation with the lower end surface of second positioning recess.

[0020] By adopting the technical scheme, the sealing installation of the connecting ring can be realized, and leakage of the internal medium from the gap between the upper connecting flange and the transition flange to the outside can be avoided.

[0021] The utility model further provides, the inner wall lower extreme of connecting ring is equipped with annular positioning groove, the sintered net upper end inserts the annular positioning groove and both weld fixed.

[0022] By adopting the technical scheme, the sintered net upper end is positioned during welding, and not only the connecting structure has high accuracy, but also the firmness is better.

[0023] The utility model further provides, the lower end surface of transition flange is equipped with the fourth sealing ring for constituting sealed cooperation with the upper end surface of upper connecting flange.

[0024] By adopting the technical scheme, the sealing property between the transition flange and the lower connecting flange can be guaranteed, and leakage of the internal medium from the gap between the two to the outside can be avoided.

[0025] The utility model further provides, still be equipped with handle on filter core.

[0026] By adopting the technical scheme, the handle is arranged on the filter core, and the filter core is more convenient to disassemble and replace. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the structure schematic diagram of embodiment 1 whole;

[0028] Figure 2 It is Figure 1 The enlarged structure schematic diagram of A part in middle;

[0029] Figure 3 It is the structure schematic diagram of embodiment 2 whole;

[0030] Figure 4 It is Figure 3 The enlarged structure schematic diagram of B part in middle.

[0031] In the drawing: 1, tank body;2, vacuum pipeline;3, back flushing port;4, filter core;5, transition flange;6, installation pipe;7, lower connecting flange;8, upper connecting flange;9, first clamp;10, second clamp;11, connecting ring;12, support framework;13, filter cloth;14, annular accommodation recess;15, fastener;16, first sealing ring;17, sintered net;18, first positioning groove;19, second positioning groove;20, positioning cavity;21, second sealing ring;22, third sealing ring;23, annular positioning groove;24, fourth sealing ring;25, handle. DETAILED DESCRIPTION

[0032] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of the utility model protection.

[0033] Embodiment 1: as shown in the accompanying Figure 1 and the accompanying Figure 2 The built-in dust filter of the filter washing and drying machine is installed between the tank body 1 and the vacuum pipeline 2, and the vacuum pipeline 2 is provided with a back flushing port 3 on the side; the filter comprises a filter core 4 and a transition flange 5, the tank body 1 is provided with a mounting pipe 6, the lower end of the mounting pipe 6 is provided with a lower connecting flange 7, the lower connecting flange 7 and an upper connecting flange 8 are welded together, the lower end of the vacuum pipeline 2 is provided with the upper connecting flange 8, and the two can also be connected together by welding, the transition flange 5 is arranged between the upper connecting flange 8 and the lower connecting flange 7, and the upper end of the transition flange 5 is connected together with the upper connecting flange 8 through a first clamp 9, and the lower end of the transition flange 5 is connected together with the lower connecting flange 7 through a second clamp 10, more specifically, the upper and lower ends of the transition flange 5 are respectively provided with a first tapered connecting part and a second tapered connecting part extending outward, the outer edges of the upper connecting flange 8 and the lower connecting flange 7 are respectively provided with an upper tapered connecting part and a lower tapered connecting part, the first tapered connecting part and the upper tapered connecting part are clamped together by the first clamp 9, and the second tapered connecting part and the lower tapered connecting part are clamped together by the second clamp 10, the filter core 4 is arranged in the mounting pipe 6, and the outer periphery of the filter core 4 is provided with a connecting ring 11, and the connecting ring 11 is sealingly mounted between the upper connecting flange 8 and the transition flange 5. The clamp type structure is used for connecting the tank body 1, the disassembly and assembly operation is convenient, the filter cloth 13 is frequently replaced without worrying about the problem of silk slipping, the transition flange 5 can be replaced at any time, the filter core 4 is replaced into a sintered mesh 17 structure according to the product, and the flange cooperation clamp connection mode has the advantages of low cost and small space occupation.

[0034] As shown in the accompanying Figure 1 and the accompanying Figure 2 The filter core 4 comprises a cylindrical support framework 12 and a filter cloth 13 wrapped on the outer wall of the support framework 12, and the connecting ring 11 is arranged on the upper end of the support framework 12. This design is the first structure of the filter core 4, that is, the filter cloth 13 is used in cooperation with the support framework 12, which is suitable for products that need to filter out part of the oil and impurities.

[0035] As shown in the accompanying Figure 2As shown, the upper end of the transition flange 5 is provided with an annular recess 14, and the connecting ring 11 is connected to the annular recess 14 by a fastener 15. More specifically, the fastener 15 is an internal hexagonal screw, and the connecting ring 11 is provided with a through hole for the internal hexagonal screw to pass through. The end face of the annular recess 14 is provided with a screw hole for the internal hexagonal screw to be screwed into. The connection structure is simple and reliable, and the annular recess 14 provides space for accommodating the connecting ring 11 and the fastener 15, greatly reducing the occupied space.

[0036] As shown in the accompanying drawings, Figure 2 As shown, the upper connecting flange 8 is provided with a first sealing ring 16 for sealing cooperation with the upper end of the transition flange 5. This design can realize the sealing installation of the connecting ring 11 under this structure, avoiding leakage of internal medium from the gap between the upper connecting flange 8 and the transition flange 5 to the outside.

[0037] As shown in the accompanying drawings, Figure 2 The connecting ring 11 is welded to the outer periphery of the support skeleton 12, and the inner diameter of the connecting ring 11 is greater than the outer diameter of the support skeleton 12. The connection structure is simple and firm, and the connecting ring 11 will not scratch the parts when it is sleeved on the outer periphery of the support skeleton 12 before welding.

[0038] As shown in the accompanying drawings, Figure 2 The lower end face of the transition flange 5 is provided with a fourth sealing ring 24 for sealing cooperation with the upper end face of the upper connecting flange 8. This design can ensure the sealing between the transition flange 5 and the lower connecting flange 7, avoiding leakage of internal medium from the gap between the two to the outside.

[0039] As shown in the accompanying drawings, Figure 1 The filter element 4 is also provided with a handle 25, which is more convenient for disassembly and replacement.

[0040] As shown in the accompanying drawings, Figure 3 and the accompanying drawings, Figure 4 In this embodiment, the filter element 4 is a sintered mesh 17 in a cylindrical shape, and the connecting ring 11 is arranged on the upper end of the sintered mesh 17. This design is the second structure of the filter element 4, i.e. replacing the product with a sintered mesh 17 structure filter element 4, which is suitable for scenes requiring high-precision and high-temperature filtering materials.

[0041] As shown in the accompanying drawings, Figure 4 The lower end of the upper connecting flange 8 is provided with a first positioning groove 18, and the upper end of the transition flange 5 is provided with a second positioning groove 19. The first positioning groove 18 and the second positioning groove 19 form a positioning cavity 20, and the connecting ring 11 is embedded in the positioning cavity 20. Without the help of the fastener 15, the connecting ring 11 can be installed when the upper connecting flange 8 is connected with the transition flange 5, and the disassembly and assembly operation is very convenient.

[0042] As shown in the accompanying drawings Figure 4 The upper end of the connecting ring 11 is provided with a second sealing ring 21 for sealing cooperation with the upper end face of the first positioning groove 18, and the lower end of the connecting ring 11 is provided with a third sealing ring 22 for sealing cooperation with the lower end face of the second positioning groove 19. This design can realize the sealed installation of the connecting ring 11 under this structure, avoiding the leakage of internal medium from the gap between the upper connecting flange 8 and the transition flange 5 to the outside.

[0043] As shown in the accompanying drawings Figure 4 The inner wall of the connecting ring 11 is provided with an annular positioning groove 23 at the lower end, and the upper end of the sintered mesh 17 is embedded in the annular positioning groove 23 and welded and fixed. The upper end of the sintered mesh 17 is positioned during welding, which not only has high connection structure accuracy, but also has better firmness.

Claims

1. A built-in dust filter of a filter washing dryer, which is installed between a tank body (1) and a vacuum pipeline (2), and a back-blowing port (3) is arranged on the side of the vacuum pipeline (2); characterized in that: The tank body (1) is provided with a mounting pipe (6), the upper end of the mounting pipe (6) is provided with a lower connecting flange (7), the lower end of the vacuum pipe (2) is provided with an upper connecting flange (8), the transition flange (5) is arranged between the upper connecting flange (8) and the lower connecting flange (7), the upper end of the transition flange (5) is connected with the upper connecting flange (8) through a first clamp (9), the lower end of the transition flange (5) is connected with the lower connecting flange (7) through a second clamp (10), the filter core (4) is arranged in the mounting pipe (6), and the outer periphery of the filter core (4) is provided with a connecting ring (11), and the connecting ring (11) is sealingly arranged between the upper connecting flange (8) and the transition flange (5).

2. The built-in dust filter of the filter washing dryer according to claim 1, characterized in that: The filter core (4) comprises a cylindrical support framework (12) and filter cloth (13) wrapped on the outer wall of the support framework (12), and the connecting ring (11) is arranged on the upper end of the support framework (12).

3. The built-in dust filter of the filter washing dryer according to claim 2, characterized in that: The upper end of the transition flange (5) is provided with an annular accommodation recess (14), the connecting ring (11) is connected in the annular accommodation recess (14) through a fastener (15), and the upper connecting flange (8) is provided with a first sealing ring (16) used for sealing cooperation with the upper end of the transition flange (5).

4. The built-in dust filter of the filter washing dryer according to claim 2, characterized in that: The connecting ring (11) is welded on the outer periphery of the support framework (12), and the inner diameter of the connecting ring (11) is greater than the outer diameter of the support framework (12).

5. The built-in dust filter of the filter washing dryer according to claim 1, characterized in that: The filter core (4) comprises a cylindrical sintered mesh (17), and the connecting ring (11) is arranged on the upper end of the sintered mesh (17).

6. The built-in dust filter of the filter washing dryer according to claim 5, characterized in that: The lower end of the upper connecting flange (8) is provided with a first positioning groove (18), the upper end of the transition flange (5) is provided with a second positioning groove (19), the first positioning groove (18) and the second positioning groove (19) are combined to form a positioning cavity (20), and the connecting ring (11) is embedded in the positioning cavity (20).

7. The filter according to claim 6, characterized in that: The upper end of the connecting ring (11) is provided with a second sealing ring (21) used for sealing cooperation with the upper end surface of the first positioning groove (18), and the lower end of the connecting ring (11) is provided with a third sealing ring (22) used for sealing cooperation with the lower end surface of the second positioning groove (19).

8. The built-in dust filter of the filter washing dryer according to claim 5, characterized in that: The inner wall of the connecting ring (11) is provided with an annular positioning groove (23) at the lower end, and the upper end of the sintered mesh (17) is embedded in the annular positioning groove (23) and welded and fixed.

9. The built-in dust filter of the filter washing dryer according to claim 1, characterized in that: The lower end surface of the transition flange (5) is provided with a fourth sealing ring (24) used for sealing cooperation with the upper end surface of the upper connecting flange (8).

10. The built-in dust filter of the filter washing dryer according to claim 1, characterized in that: A handle (25) is further arranged on the filter core (4).

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