CN209917379U - Filtering device - Google Patents

Abstract

The utility model belongs to the technical field of the raw materials is carried, a filter equipment is disclosed. The filtering device comprises: the device comprises a filter barrel, a feed pipe and a discharge pipe are arranged on the filter barrel, the discharge pipe is positioned below the feed pipe, the feed pipe is used for conveying raw materials into the filter barrel, and the discharge pipe is used for discharging the raw materials in the filter barrel; the filtering component is arranged in the filtering barrel and positioned between the feeding pipe and the discharging pipe, and is used for filtering impurities in the raw materials in the filtering barrel; the anti-suck-back component is arranged on the feeding pipe and is configured to be capable of being selectively blocked at the discharging end of the feeding pipe. This filter equipment is when other positions carry the raw materials in the system, and the pressure differential that forms the negative pressure can make the baffle carry out the shutoff with the discharge end of inlet pipe, has played the effect with inlet pipe and filter vat looks sealed isolation, prevents that the raw materials in the filter vat from being suck-back to other equipment in through the inlet pipe, has played safety protection's effect.

Description

Filtering device

Technical Field

The utility model relates to a raw materials carries technical field, especially relates to a filter equipment.

Background

In the process of conveying solid raw materials, impurities of the raw materials need to be filtered through filtering equipment, and then clean raw materials are shunted to each working port. The existing filtering device has the following defects:

firstly, when the filtering device conveys raw materials, the existing square structure is easy to deform inwards due to the pressure difference of negative pressure conveying, the sealing effect of equipment is influenced, and the conveying capacity is weakened; simultaneously when other equipment carried the raw materials in the system, the negative pressure that the system formed can make in the device raw materials backward flow influence production quality, especially the system of multiple raw materials, the raw materials backward flow can make the raw materials mix, increases the manufacturing rate of defective products.

Secondly, the sealing performance of the filter device is poor, air leakage occurs during the use process, and the air leakage problem becomes more serious along with the increase of the use time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter equipment solves the problem that suck-back appears in the raw materials, guarantees the smooth and easy nature that the raw materials was carried.

To achieve the purpose, the utility model adopts the following technical proposal:

a filtration device comprising:

the filter barrel is provided with a feeding pipe and a discharging pipe, and the discharging pipe is positioned below the feeding pipe;

the filtering component is arranged in the filtering barrel and positioned between the feeding pipe and the discharging pipe, and is used for filtering impurities in the raw materials in the filtering barrel;

prevent suck-back subassembly, it set up in on the inlet pipe, prevent suck-back subassembly includes spacing and baffle, spacing connect in the inlet pipe, the baffle be configured into one end can with spacing relative its slip, other end selectivity shutoff the discharge end of inlet pipe.

Preferably, the limiting frame is provided with a waist-shaped hole; the baffle includes removal portion and shutoff portion, the removal portion wear to locate waist shape hole and can slide rather than, shutoff portion can the shutoff in the discharge end of inlet pipe.

Preferably, the suck-back prevention assembly further comprises a fixed seat, and two ends of the fixed seat are respectively connected to the feeding pipe and the limiting frame.

Preferably, the filter vat includes and holds bucket and collecting vessel, the collecting vessel is located hold the below of bucket and be linked together with it, the inlet pipe set up in hold on the bucket, the discharging pipe set up in on the collecting vessel.

Preferably, the accommodating barrel is of a cylindrical barrel structure, and the collecting barrel is of a conical barrel structure.

Preferably, the filter vat further comprises a vat cover, and the vat cover is arranged at the opening of the containing vat.

Preferably, the filter device further comprises a locking assembly, one end of the locking assembly is arranged on the containing barrel, and the other end of the locking assembly is configured to selectively open and close the barrel cover.

Preferably, the locking assembly comprises:

the mounting seat is arranged on the accommodating barrel;

the rotating shaft is rotatably arranged on the mounting seat;

and one end of the hasp penetrates through the rotating shaft, and the other end of the hasp can be clamped on the barrel cover.

Preferably, the filtering device further comprises a sealing ring, a limiting table is arranged on the top of the containing barrel in an inward protruding mode, and the sealing ring is arranged between the limiting table and the barrel cover.

Preferably, the filter assembly comprises a fixing ring and a filter screen arranged in the fixing ring, and the outer wall of the fixing ring is attached to the inner wall of the filter barrel.

The utility model has the advantages that:

the filter equipment that this embodiment provided enters into the filter vat with the raw materials through the inlet pipe in, after the filtering component who lies in the filter vat filters the impurity of raw materials, obtains clear raw materials, and the discharging pipe is located the below of inlet pipe for raw materials in the filter vat can be under self gravity, discharge from the discharging pipe. The anti-suck-back component is arranged at the discharge end of the feed pipe, when raw materials in the feed pipe impact the baffle plate of the anti-suck-back component, the baffle plate slides along the limiting frame in the direction far away from the feed pipe, so that the discharge end of the feed pipe is opened, and the raw materials for the feed pipe flow into the filter barrel; when other positions carry the raw materials in the system, the equipment that is linked together with the inlet pipe etc. have stronger negative pressure, when making the trend of backward flow appear in the raw materials in inlet pipe and the filter vat, pressure differential can make the baffle slide to the direction that is close to the inlet pipe along spacing, in order to carry out the shutoff with the discharge end of inlet pipe, the effect with inlet pipe and filter vat looks seal isolation has been played, prevent that the raw materials in the filter vat from being suck-back to other equipment in through the inlet pipe, guarantee the leakproofness of system when other equipment uses simultaneously, the normal transport of assurance raw materials has played safety protection's effect, thereby life cycle has been prolonged.

Drawings

FIG. 1 is a schematic view of the filtering apparatus of the present invention;

fig. 2 is a cross-sectional view of the filter device of the present invention;

FIG. 3 is a schematic view of a filter assembly of the filtering apparatus of the present invention;

FIG. 4 is a schematic structural diagram of a locking assembly of the filtering apparatus of the present invention;

fig. 5 is a schematic structural view of the suck-back prevention assembly of the filtering apparatus of the present invention.

In the figure:

1. a filter vat; 2. a feed pipe; 3. a discharge pipe; 4. a filter assembly; 5. an anti-suck back assembly; 6. a seal ring; 7. a locking assembly; 8. a support; 9. a handle;

11. a containment drum; 12. a collection barrel; 13. a barrel cover; 111. a limiting table;

41. a fixing ring; 42. a filter screen;

51. a limiting frame; 52. a baffle plate; 53. a fixed seat;

511. a waist-shaped hole; 512. mounting holes; 521. a moving part; 522. a plugging section; 531. a threaded hole;

71. a mounting seat; 72. a rotating shaft; 73. a hasp; 74. a guard plate;

731. a connecting member; 732. a clamping piece.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides a filtering device for a filtering process in raw material conveying, and as shown in fig. 1-2, the filtering device comprises a filtering barrel 1, a filtering component 4 and an anti-suck-back component 5, and a support 8 can be arranged below the filtering barrel 1 to support the filtering barrel 1. Be provided with inlet pipe 2 on the upper portion of filter vat 1, inlet pipe 2 specifically is the straight tube structure, and the both ends of inlet pipe 2 are feed end and discharge end respectively, and feed end and hydraulic pump, air pump or other conveying equipment are linked together for the raw materials can flow into from the feed end, flows out to the filter vat 1 in from the discharge end behind inlet pipe 2. The bottom of the filter vat 1 is provided with a discharge pipe 3, the discharge pipe 3 is specifically of a bent pipe structure, and the discharge pipe 3 is used for discharging raw materials in the filter vat 1. Filter assembly 4 sets up in filter vat 1 and is located between inlet pipe 2 and discharging pipe 3, and filter assembly 4 is used for filtering the impurity of raw materials in filter vat 1. The anti-suck-back component 5 is arranged on the feeding pipe 2, and the anti-suck-back component 5 is configured to be capable of being selectively blocked at the discharge end of the feeding pipe 2. The suck back prevention assembly 5 comprises a limiting frame 51 and a baffle plate 52, wherein the limiting frame 51 is connected to the feeding pipe 2, the baffle plate 52 is configured to have one end capable of sliding relative to the limiting frame 51, and the other end selectively blocks the discharging end of the feeding pipe 2.

The filter equipment that this embodiment provided, with the raw materials through inlet pipe 2 enter into filter vat 1 in, after the impurity that filter assembly 4 that lies in filter vat 1 filtered the raw materials filters, obtain clear raw materials, discharging pipe 3 lies in filter vat 1's below for accomplish filterable raw materials in filter vat 1 and can discharge from discharging pipe 3 under self gravity. By arranging the anti-suck-back assembly 5 at the discharge end of the feed pipe 2, when the raw material in the feed pipe 2 impacts the baffle plate 52 of the anti-suck-back assembly 5, the baffle plate 52 slides along the limiting frame 51 in the direction far away from the feed pipe 2, so that the discharge end of the feed pipe 2 is opened, and the raw material for the feed pipe 2 flows into the filter barrel 1; when equipment that is linked together with inlet pipe 2 etc. has stronger negative pressure, when making the trend of backward flow appear in the raw materials in inlet pipe 2 and the filter vat 1, the pressure differential of negative pressure promotes baffle 52 and removes to the direction that is close to inlet pipe 2, carry out the shutoff with the discharge end of inlet pipe 2, the effect with inlet pipe 2 and filter vat 1 looks sealed isolation has been played, prevent that the raw materials in the filter vat 1 from being sucked to other equipment in through inlet pipe 2, guarantee the leakproofness of system when other equipment uses simultaneously, guarantee the normal transport of raw materials.

As shown in fig. 1-2, filter vat 1 includes holding bucket 11, collecting vessel 12 and bung 13, holds the both ends opening of bucket 11, and collecting vessel 12 is located the below of holding bucket 11 and is linked together rather than the lower part opening, and both form the main part of filter vat 1, and bung 13 sets up in the upper portion opening part of holding bucket 11. In order to open the barrel cover 13 conveniently, a handle 9 is arranged on the barrel cover 13 and is used for being held by an operator.

It is cylindrical structure to hold bucket 11, and collecting vessel 12 is conical structure for the inner wall of the main part of filter vat 1 is the arc structure, adopts square structure to compare with prior art, and compressive capacity is stronger, and because there is not the edges and corners, the inner wall is smooth, and inlet pipe 2 sets up on holding bucket 11, and the raw materials that enter into from inlet pipe 2 and hold in bucket 11 is difficult to appear impurity and pile up and the condition of jam. Simultaneously, be conical structure through setting up collecting vessel 12, the macrostoma end of collecting vessel 12 is connected in holding bucket 11, and the bottom of the macrostoma end of collecting vessel 12 is provided with above-mentioned discharging pipe 3 for the raw materials can be followed the toper inner wall gliding of collecting vessel 12 under self gravity, need not to increase extra power supply, and the raw materials just can play the effect of assembling, finally discharges from discharging pipe 3.

Further, as shown in fig. 2-3, the filtering component 4 is specifically disposed in the collecting barrel 12, and the filtering component 4 and the collecting barrel 12 are detachably disposed, so as to pour out impurities remaining on the filtering component 4 after being filtered by the filtering component 4. Specifically, as shown in fig. 3, the filter assembly 4 includes a fixing ring 41 and a filter screen 42, the fixing ring 41 supports the filter screen 42, the fixing ring 41 has a tapered structure, the outer wall of the fixing ring 41 is attached to the inner wall of the collecting barrel 12, and the position limitation of the fixing ring 41 and the collecting barrel 12 can be achieved without adding an additional fixing device. Be provided with filter screen 42 on solid fixed ring 41's the inner wall for impurity's in the raw materials filtration, after impurity in filter screen 42 subsides a certain time, lift up solid fixed ring 41 from collecting vessel 12, realize solid fixed ring 41 and collecting vessel 12's separation, be used for empting of impurity and filter screen 42's change, be convenient for installation, dismantlement and maintenance.

Because filter screen 42 needs regularly impurity clearance, then solid fixed ring 41 need be taken out from collecting vessel 12, in order to realize bung 13 to the shutoff and the opening that hold bucket 11, this filter equipment still includes locking Assembly 7, and locking Assembly 7's one end sets up on holding bucket 11, and the other end is configured as the selectivity and opens and close bung 13. Specifically, as shown in fig. 4, the locking assembly 7 includes a mounting seat 71, a rotating shaft 72, a buckle 73 and a guard plate 74. The mount pad 71 has played the effect of fixing and supporting, and the mount pad 71 passes through the bolt and installs on holding bucket 11, rotates on the mount pad 71 and is provided with pivot 72, and on pivot 72 was worn to locate by the one end of hasp 73, the other end can joint in bung 13. In order to facilitate manual operation, the guard plate 74 penetrates through the rotating shaft 72 and is located outside the hasp 73, so that the appearance is ensured, the safety protection effect is achieved, and the finger clamping injury is reduced.

Further, as shown in fig. 4, the buckle 73 specifically includes a connecting part 731 and a fastening part 732, the connecting part 731 is similar to a door-shaped frame structure, a bottom of the connecting part 731 is disposed on the rotating shaft 72 and fixed thereto, and a top of the connecting part 731 is used for installing the fastening part 732. The bottom of the clamping piece 732 is a connecting part, the connecting part is connected to the connecting part 731 in a threaded manner, and the top of the clamping piece 732 is provided with a clamping hook for abutting against the top of the barrel cover 13. After the barrel cover 13 is arranged at the opening of the accommodating barrel 11, when the barrel cover 13 and the accommodating barrel 11 need to be tightly covered, an operator holds the guard plate 74 by hand, and rotates the hasp 73 towards the direction close to the barrel cover 13 so as to enable the hook of the clamping piece 732 to abut against the barrel cover 13; when the barrel cover 13 needs to be separated from the accommodating barrel 11, an operator holds the guard plate 74 by hand, rotates the buckle 73 in a direction away from the barrel cover 13, so as to separate the hook of the clamping member 732 from the barrel cover 13, and then removes the barrel cover 13 from the accommodating barrel 11.

Since the feeding pipe 2 is connected to the air pump, in order to provide a good sealing effect between the barrel cover 13 and the accommodating barrel 11, a sealing ring 6 (shown in fig. 1) is optionally provided between the barrel cover 13 and the accommodating barrel 11. Specifically, the top of holding bucket 11 is inwards provided with limiting table 111 in an inward protruding manner, so that two sides of sealing ring 6 are respectively abutted against limiting table 111 and bucket cover 13, the air leakage condition in the using process is reduced, and the sealing performance of the whole structure is enhanced.

It should be particularly noted that, as shown in fig. 5, in order to prevent the reverse suction of the raw material through the anti-suck-back assembly 5 of the feeding pipe 2, the anti-suck-back assembly 5 includes a limiting frame 51, a baffle 52 and a fixing seat 53, and two ends of the fixing seat 53 are respectively connected to the feeding pipe 2 and the limiting frame 51 to play a role of intermediate connection support. The limiting frame 51 is similar to a door-shaped frame structure, two mounting holes 512 are formed in one end, close to the fixing seat 53, of the limiting frame 51, two threaded holes 531 are formed in the fixing seat 53, and one screw penetrates through one mounting hole 512 and one threaded hole 531 corresponding to the mounting hole 512, so that the fixing between the fixing seat 53 and the limiting frame 51 is achieved. Meanwhile, the mounting hole 512 is of a long round hole structure, and the screw moves in the mounting hole 512 and is in threaded connection with the threaded hole 531, so that the position between the limiting frame 51 and the fixing seat 53 is adjusted.

Furthermore, a waist-shaped hole 511 is arranged on the limiting frame 51, one end of the baffle plate 52 penetrates through the waist-shaped hole 511 and can slide relative to the waist-shaped hole 511, and the other end of the baffle plate can be blocked at the discharge end of the feeding pipe 2. Specifically, the baffle plate 52 specifically comprises a moving part 521 and a blocking part 522, both of which are preferably integrally formed structures, and the blocking part 522 is a sheet-shaped structure with a circular cross section and a diameter larger than that of the feeding pipe 2 and is used for blocking the feeding pipe 2. A moving portion 521 is formed extending outward from the top of the closing portion 522, and the moving portion 521 is inserted into the waist-shaped hole 511 to be slidable relative thereto.

When the raw material in the feeding pipe 2 is discharged, the raw material impacts the baffle plate 52 at the outlet end of the feeding pipe 2, and the moving part 521 of the baffle plate 52 slides along the slotted hole 511 in the direction away from the feeding pipe 2, so that a certain distance exists between the feeding pipe 2 and the baffle plate 52, and the raw material in the feeding pipe 2 can flow out into the accommodating barrel 11 conveniently; when the device and the like communicated with the feeding pipe 2 have strong negative pressure, so that the feeding pipe 2 and the raw materials in the filter barrel 1 tend to flow back, the negative pressure directly pushes the blocking part 522 of the baffle plate 52 and drives the moving part 521 to slide along the waist-shaped hole 511 towards the direction close to the feeding pipe 2 until the blocking part 522 finally abuts against the discharging end of the feeding pipe 2 to block the feeding pipe 2. Directly promote baffle 52 and block up inlet pipe 2 through the negative pressure, baffle 52 can block up inlet pipe 2 under the pressure differential effect just before the raw materials backward flow during other equipment pay-off for the raw materials can not get into inlet pipe 2, has played the effect with inlet pipe 2 and filter vat 1 looks sealed isolation, prevents that the raw materials in the filter vat 1 from being inhaled to other equipment in through inlet pipe 2.

The anti-suck-back component 5 may also have other structures, for example, the cross section of the moving part 521 is a circular structure, a torsion spring for resetting is sleeved on the moving part 521, one end of the torsion spring is connected to the limiting frame 51, and the other end of the torsion spring is connected to the blocking part 522. The plugging portion 522 can be opened only by the raw material in the feeding pipe 2 overcoming the torsional force of the torsion spring, when the pressure of the raw material in the feeding pipe 2 is insufficient or negative pressure is generated, the torsional force of the torsion spring cannot be overcome, and the torsional force of the torsion spring can automatically drive the plugging portion 522 to rotate to close the feeding pipe 2. In other embodiments, any structure that can selectively block the suck-back prevention assembly 5 according to the pressure of the raw material in the feeding pipe 2 is within the scope of the present invention.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. A filter device, comprising:

the device comprises a filtering barrel (1), wherein a feeding pipe (2) and a discharging pipe (3) are arranged on the filtering barrel (1), and the discharging pipe (3) is positioned below the feeding pipe (2);

the filtering component (4) is arranged in the filtering barrel (1) and is positioned between the feeding pipe (2) and the discharging pipe (3), and the filtering component (4) is used for filtering impurities of raw materials in the filtering barrel (1);

prevent suck-back subassembly (5), prevent suck-back subassembly (5) including spacing (51) and baffle (52), spacing (51) connect in inlet pipe (2), baffle (52) be configured into one end can with spacing (51) slide it relatively, other end selectivity shutoff the discharge end of inlet pipe (2).

2. The filtering device according to claim 1, characterized in that the limiting frame (51) is provided with a waist-shaped hole (511); the baffle (52) comprises a moving part (521) and a blocking part (522), the moving part (521) is arranged in the waist-shaped hole (511) in a penetrating mode and can slide relative to the waist-shaped hole, and the blocking part (522) can block the discharging end of the feeding pipe (2).

3. The filtering device according to claim 2, wherein the suck-back prevention assembly (5) further comprises a fixing seat (53), and two ends of the fixing seat (53) are respectively connected to the feeding pipe (2) and the limiting frame (51).

4. The filtering device according to claim 1, characterized in that said filtering vat (1) comprises a containing vat (11) and a collecting vat (12), said collecting vat (12) being located below said containing vat (11) and communicating therewith, said feeding pipe (2) being arranged on said containing vat (11) and said discharging pipe (3) being arranged on said collecting vat (12).

5. A filtering device according to claim 4, characterized in that the containing tub (11) is of cylindrical tub construction and the collecting tub (12) is of conical tub construction.

6. A filtering device according to claim 4, characterized in that the filtering basket (1) further comprises a basket cover (13), the basket cover (13) being arranged at the opening of the containing basket (11).

7. The filtering device according to claim 6, further comprising a locking assembly (7), wherein one end of the locking assembly (7) is disposed on the containing barrel (11), and the other end is configured to selectively open and close the barrel cover (13).

8. A filtering device according to claim 7, characterized in that said locking assembly (7) comprises:

a mounting seat (71) provided on the accommodating tub (11);

a rotating shaft (72) rotatably provided on the mounting base (71);

and one end of the hasp (73) penetrates through the rotating shaft (72), and the other end of the hasp can be clamped on the barrel cover (13).

9. The filtering device according to claim 6, further comprising a sealing ring (6), wherein a limiting platform (111) is arranged at the top of the containing barrel (11) in an inward protruding manner, and the sealing ring (6) is arranged between the limiting platform (111) and the barrel cover (13).

10. The filtering device according to claim 1, characterized in that the filtering assembly (4) comprises a fixing ring (41) and a filtering mesh (42) arranged inside the fixing ring (41), the outer wall of the fixing ring (41) being conformed to the inner wall of the filtering basket (1).

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