Fixing device for filter bag in vertical centrifugal machine

Abstract

The utility model discloses a fixing device for a filter bag in a vertical centrifugal machine, and relates to the technical field of centrifugal machine filter bags. The rotary drum filter comprises a rotary drum, a filter opening is formed in the circumferential surface of the rotary drum, a filter bag is arranged in the rotary drum, and a fixing device is arranged at the top of the rotary drum; the fixing device comprises a pressing groove, the pressing groove is formed in the top of the rotary drum, and a fixing needle is fixedly connected into the pressing groove. According to the fixing device, the fixing ring is matched with the pressing groove, the fixing needle, the clamping bolt, the fixing ring and other components in the fixing device under the action of the fixing ring, so that the fixing ring is inserted into the clamping bolt through the through hole when the first clamping block and the second clamping block enter the movable opening, and the pressing block enters the pressing groove when the fixing ring is inserted into the clamping bolt; when the pressing block enters the pressing groove, the filter bag can penetrate through the fixing needle due to the thrust of the pressing block, so that the fixing needle can be inserted into the insertion opening, and the filter bag is pressed into the pressing groove.

Description

TECHNICAL FIELD

[0001] The utility model belongs to centrifuge filter bag field, especially is involved in a kind of fixing device of filter bag in vertical centrifuge. BACKGROUND

[0002] The filter bag fixing device in vertical centrifuge is used to support and fix the filter bag to ensure its stability and effectiveness during centrifugation.

[0003] According to the fixing device of filter bag in vertical centrifuge (public number: CN 217190229U), it includes: drum, the liquid baffle of setting in the upper port of drum and the filter bag of laying on the inner wall of drum, the bag mouth of filter bag is laid on the liquid baffle, and a plurality of fixing buckles are arranged on the liquid baffle in the circumferential direction, the fixing buckle includes: fixed column and the fixing cap of setting on fixed column, the lower part of fixed column is arranged in the liquid baffle, and the upper part of fixed column is higher than the liquid baffle, and the fixing cap and the liquid baffle form annular installation groove;The bag mouth of the filter bag is provided with an elongated hole corresponding to the fixing buckle one by one.The fixing device of filter bag of the utility model can prevent the left and right movement and the subsidence of filter bag, reduce the wear and tear of filter bag, and prolong the service life of filter bag;

[0004] The above-mentioned application is fixed by cooperating with the drum, the liquid baffle arranged on the upper port of the drum and the filter bag assembly laid on the inner wall of the drum, so that only the filter bag can be fixed, the inner wall of the filter bag cannot be cleaned, the solid adhered to the inner wall of the filter bag may block the filter bag, so that the liquid cannot flow out, and therefore a fixing device of filter bag in vertical centrifuge is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a fixing device of filter bag in vertical centrifuge, which is internally connected with the connecting strip, baffle, sliding slot, opening, sliding block, brush plate and cleaning brush of the cleaning device through the movement of the first clamping block, realizes the sliding of the top of the sliding plate and the top of the clamping groove, when the sliding plate is put into the clamping groove, the sliding block also enters the sliding slot, when the sliding block enters the sliding slot, the brush plate and the cleaning brush enter the filter bag, when the centrifuge rotates, the sliding block rotates in the sliding slot due to the throwing force of the drum, and the brush plate and the cleaning brush also rotate, so that the solid adhered to the inner wall of the filter bag is cleaned to the bottom of the filter bag, the filter bag is prevented from being blocked, and the liquid cannot flow out, so that the existing problems are solved.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] This utility model relates to a filter bag fixing device in a vertical centrifuge, comprising a rotating drum, a filter opening on the circumferential surface of the rotating drum, a filter bag inside the rotating drum, and a fixing device on the top of the rotating drum.

[0008] The fixing device includes a pressure groove, which is opened on the top of the drum. A fixing pin is fixedly connected inside the pressure groove. A locking bolt is fixedly connected to the top of the drum. A movable opening is opened inside the locking bolt. A first locking block is slidably connected to the inner wall of the movable opening. A second locking block is slidably connected to the inner wall of the movable opening. A fixing ring is provided on the circumferential surface of the locking bolt. A pressure block is fixedly connected to the bottom of the fixing ring.

[0009] Furthermore, the bottom of the pressure block is provided with an insertion port, the circumferential surface of the fixing pin is slidably connected to the inner wall of the insertion port, the top of the fixing ring is provided with a through hole, and the circumferential surface of the buckle is slidably connected to the inner wall of the through hole. The function of the insertion port is to allow the fixing pin to be inserted, thereby clamping the filter bag that passes through the fixing pin and preventing the filter bag from being thrown out of the pressure groove when the drum rotates. The function of the through hole is to allow the buckle to be inserted into the fixing ring.

[0010] Furthermore, a reset spring is fixedly connected to the front side of the first card block, and the end of the reset spring away from the first card block is fixedly connected to the back side of the second card block. The function of the reset spring is to allow the first and second card blocks to be reset when they are not pressed.

[0011] Furthermore, the number of fixing pins, latches, movable ports, first locking blocks, second locking blocks, insertion ports, through holes, and return springs are each set to several, and they are arranged in a circumferential array along the circumference of the drum. The purpose of setting the number of fixing pins, latches, movable ports, first locking blocks, second locking blocks, insertion ports, through holes, and return springs to several, and arranging them in a circumferential array along the circumference of the drum, is to better fix the filter bag.

[0012] Furthermore, a cleaning device is provided at the top of the fixed ring. The cleaning device includes a connecting strip, the side of which is fixedly connected to the side of the first locking block. A baffle is fixedly connected to the side of the connecting strip. A sliding groove is provided at the top of the fixed ring, and an opening is provided at the top of the fixed ring, the opening penetrating the bottom of the fixed ring. A slot is provided inside the fixed ring, and a sliding plate is slidably connected inside the slot. A slider is fixedly connected to the side of the sliding plate. The baffle is used to block the opening to prevent the rotating drum from throwing the sliding plate out during use. The slot is used to restrict the sliding plate to slide within the slot. The slider is used to slide within the sliding groove by utilizing the rotation of the drum when it rotates.

[0013] Further, the side surface of the sliding block is fixedly connected with a brush plate, the side surface of the brush plate is fixedly connected with cleaning bristles, the top of the fixed ring is provided with a through slot, the brush plate serves to drive the cleaning bristles to rotate, the cleaning bristles serve to clean the solid adhered to the inner wall of the filter bag to the bottom of the filter bag during use, so as to prevent the filter bag from being blocked by the solid, and the liquid cannot flow out, and the through slot serves to prevent being blocked by the connecting strip during installation of the fixed ring.

[0014] Further, the bottom of the baffle is located above the through opening, and the side surface of the cleaning bristles is located in the filter bag, so that the bottom of the baffle can open or close the through opening, and the side surface of the cleaning bristles can clean the inner wall of the filter bag when the cleaning bristles rotate.

[0015] The utility model has the advantages of the following:

[0016] 1. The utility model discloses a filter bag fixing device which is characterized by the following technical scheme: the fixed ring is inserted into the clamping bolt through the through hole when the first clamping block and the second clamping block enter the movable opening, the pressing block enters the pressing groove when the fixed ring is inserted into the clamping bolt, the filter bag passes through the fixing needle due to the pushing force of the pressing block when the pressing block enters the pressing groove, the fixing needle is inserted into the insertion opening, and the filter bag is pressed in the pressing groove.

[0017] 2. The utility model discloses a filter bag fixing device which is characterized by the following technical scheme: the sliding plate is placed in the clamping groove, the top of the sliding plate slides with the top of the clamping groove, the sliding block also enters the sliding groove when the sliding plate is placed in the clamping groove, the brush plate and the cleaning bristles enter the filter bag when the sliding block enters the sliding groove, the sliding block rotates in the sliding groove due to the throwing force of the rotating drum when the centrifugal machine makes the rotating drum rotate, the brush plate and the bristles are driven to rotate, the solid adhered to the inner wall of the filter bag is cleaned to the bottom of the filter bag, the filter bag is prevented from being blocked, and the liquid cannot flow out.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0020] Figure 1The three-dimensional appearance structure schematic diagram of the utility model;

[0021] Figure 2 The three-dimensional overall structure schematic diagram of the utility model's fixing device;

[0022] Figure 3 The three-dimensional overall structure schematic diagram of the utility model's cleaning device;

[0023] Figure 4 The three-dimensional appearance structure schematic diagram of the utility model; Figure 2 The three-dimensional enlarged structure schematic diagram of A place in the utility model;

[0024] Figure 5 The three-dimensional appearance structure schematic diagram of the utility model; Figure 3 The three-dimensional enlarged structure schematic diagram of B place in the utility model.

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] 1, rotary drum; 2, filter port; 3, filter bag; 4, fixing device; 41, pressing groove; 42, fixing needle; 43, clamping bolt; 44, movable port; 45, first clamping block; 46, second clamping block; 47, fixing ring; 48, pressing block; 49, insertion port; 410, through hole; 411, return spring; 5, cleaning device; 51, connecting strip; 52, baffle; 53, sliding groove; 54, through port; 55, clamping groove; 56, sliding plate; 57, sliding block; 58, brush plate; 59, cleaning brush, 510, through groove. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-5 The utility model discloses a fixing device of filter bag in vertical centrifuge, which comprises a rotary drum 1, the circumferential surface of the rotary drum 1 is provided with a filter port 2, the inside of the rotary drum 1 is provided with a filter bag 3, and the top of the rotary drum 1 is provided with a fixing device 4.

[0029] The fixing device 4 comprises a pressing groove 41, the pressing groove 41 is arranged at the top of the rotary drum 1, the inside of the pressing groove 41 is fixedly connected with a fixing needle 42, the top of the rotary drum 1 is fixedly connected with a clamping bolt 43, the inside of the clamping bolt 43 is provided with a movable port 44, the inner wall of the movable port 44 is slidably connected with a first clamping block 45, the inner wall of the movable port 44 is slidably connected with a second clamping block 46, the circumferential surface of the clamping bolt 43 is provided with a fixing ring 47, and the bottom of the fixing ring 47 is fixedly connected with a pressing block 48.

[0030] The bottom of the briquet 48 is provided with an insertion port 49, the circumferential surface of the fixing needle 42 is slidably connected to the inner wall of the insertion port 49, the top of the fixing ring 47 is provided with a through hole 410, the circumferential surface of the clamping bolt 43 is slidably connected to the inner wall of the through hole 410, the insertion port 49 is used to insert the fixing needle 42, and then the filter bag 3 penetrating the fixing needle 42 is clamped, so that the filter bag 3 is prevented from being thrown out of the pressing groove 41 when the rotating drum 1 rotates, and the through hole 410 is used to pass the clamping bolt 43 into the fixing ring 47.

[0031] The front side of the first clamping block 45 is fixedly connected with a return spring 411, one end of the return spring 411 away from the first clamping block 45 is fixedly connected to the back side of the second clamping block 46, and the return spring 411 is used to reset the first clamping block 45 and the second clamping block 46 when they are not pressed.

[0032] The number of the fixing needle 42, the clamping bolt 43, the movable port 44, the first clamping block 45, the second clamping block 46, the insertion port 49, the through hole 410 and the return spring 411 is respectively set to be several, and they are arranged in a circumferential array along the circumferential surface of the rotating drum 1, and the number of the fixing needle 42, the clamping bolt 43, the movable port 44, the first clamping block 45, the second clamping block 46, the insertion port 49, the through hole 410 and the return spring 411 is respectively set to be several, and they are arranged in a circumferential array along the circumferential surface of the rotating drum 1, which is used to better fix the filter bag 3.

[0033] The top of the fixing ring 47 is provided with a cleaning device 5, the cleaning device 5 comprises a connecting strip 51, the side surface of the connecting strip 51 is fixedly connected to the side surface of the first clamping block 45, the side surface of the connecting strip 51 is fixedly connected with a baffle 52, the top of the fixing ring 47 is provided with a sliding groove 53, the top of the fixing ring 47 is provided with a through port 54, the through port 54 penetrates the bottom of the fixing ring 47, the inside of the fixing ring 47 is provided with a clamping groove 55, the sliding plate 56 is slidably connected in the clamping groove 55, the side surface of the sliding plate 56 is fixedly connected with a sliding block 57, and the sliding block 57 is used to block the through port 54, prevent the sliding plate 56 from being thrown out by the rotating rotating drum 1 during use, the clamping groove 55 is used to limit the sliding of the sliding plate 56 in the clamping groove 55, and the sliding block 57 is used to slide in the sliding groove 53 by the rotation of the rotating drum 1 when the rotating drum 1 rotates.

[0034] The side surface of the slider 57 is fixedly connected with a brush plate 58, the side surface of the brush plate 58 is fixedly connected with cleaning bristles 59, the top of the fixing ring 47 is provided with a through slot 510, the function of the brush plate 58 is to drive the cleaning bristles 59 to rotate, the function of the cleaning bristles 59 is to clean the solid adhered to the inner wall of the filter bag 3 to the bottom of the filter bag 3 during use, so as to prevent the filter bag 3 from being blocked by the solid and the liquid from being discharged, and the function of the through slot 510 is to prevent being blocked by the connecting strip 51 during installation of the fixing ring 47.

[0035] The bottom of the baffle 52 is located above the through port 54, the side surface of the cleaning bristles 59 is located in the interior of the filter bag 3, the function of the bottom of the baffle 52 located above the through port 54 is to open or close the through port 54, and the function of the side surface of the cleaning bristles 59 located in the interior of the filter bag 3 is to clean the inner wall of the filter bag 3 when the cleaning bristles 59 rotate.

[0036] One specific application of the embodiment is as follows: first, when the filter bag 3 needs to be fixed, the fixing device 4 is used, the filter bag 3 is placed into the rotary drum 1, the flange of the filter bag 3 is placed on the top of the rotary drum 1, the through hole 410 on the fixing ring 47 is aligned with the insertion opening 49 in the clamping bolt 43 and the pressing block 48, and the fixing needle 42 is aligned, then the first clamping block 45 and the second clamping block 46 are pressed, when the first clamping block 45 and the second clamping block 46 are pressed, the first clamping block 45 and the second clamping block 46 enter the movable opening 44, when the first clamping block 45 and the second clamping block 46 enter the movable opening 44, the fixing ring 47 is inserted into the clamping bolt 43 through the through hole 410, when the fixing ring 47 is inserted into the clamping bolt 43, the pressing block 48 enters the pressing groove 41, when the pressing block 48 enters the pressing groove 41, the filter bag 3 is pushed through the fixing needle 42 due to the pushing force of the pressing block 48, so that the fixing needle 42 is inserted into the insertion opening 49 and presses the filter bag 3 in the pressing groove 41, when the fixing is completed, the first clamping block 45 and the second clamping block 46 are loosened, when the first clamping block 45 and the second clamping block 46 are loosened, the elastic force of the reset spring 411 is used for resetting, and then the through hole 410 can be plugged, and the fixing of the filter bag 3 is completed.

[0037] The first clamping block 45 can be moved to place the cleaning device 5 into the device, so that the device can clean the inner wall of the filter bag 3 by using the cleaning device 5 when in use. By pressing the first clamping block 45 into the movable opening 44, the first clamping block 45 can drive the connecting strip 51 to move when the first clamping block 45 moves into the movable opening 44. When the connecting strip 51 moves, one side of the through opening 54 is opened to an opening with the same size as the sliding plate 56. Then, the sliding plate 56 is placed into the clamping groove 55, so that the top of the sliding plate 56 slides with the top of the clamping groove 55. When the sliding plate 56 is placed into the clamping groove 55, the sliding block 57 also enters the sliding groove 53. When the sliding block 57 enters the sliding groove 53, the brush plate 58 and the cleaning brush 59 enter the filter bag 3, so that the sliding block 57 rotates in the sliding groove 53 due to the centrifugal force of the rotating drum 1 when the centrifuge rotates the rotating drum 1. When the sliding block 57 rotates, the cleaning brush 59 is driven to rotate by the brush plate 58, so that the solid adhering to the inner wall of the filter bag 3 can be cleaned to the bottom of the filter bag 3, so as to prevent the filter bag 3 from being blocked and the liquid from flowing out.

[0038] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that those skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A filter bag fixing device for a vertical centrifuge, comprising a rotating drum (1), characterized in that: The drum (1) has a filter opening (2) on its circumferential surface, a filter bag (3) is provided inside the drum (1), and a fixing device (4) is provided on the top of the drum (1). The fixing device (4) includes a pressure groove (41), which is opened on the top of the drum (1). A fixing pin (42) is fixedly connected inside the pressure groove (41). A latch (43) is fixedly connected to the top of the drum (1). A movable opening (44) is opened inside the latch (43). A first locking block (45) is slidably connected to the inner wall of the movable opening (44). A second locking block (46) is slidably connected to the inner wall of the movable opening (44). A fixing ring (47) is provided on the circumferential surface of the latch (43). A pressure block (48) is fixedly connected to the bottom of the fixing ring (47).

2. The filter bag fixing device in a vertical centrifuge according to claim 1, characterized in that, The bottom of the pressure block (48) is provided with an insertion port (49), the circumferential surface of the fixing pin (42) is slidably connected to the inner wall of the insertion port (49), the top of the fixing ring (47) is provided with a through hole (410), and the circumferential surface of the buckle (43) is slidably connected to the inner wall of the through hole (410).

3. The filter bag fixing device in a vertical centrifuge according to claim 2, characterized in that, A reset spring (411) is fixedly connected to the front side of the first card block (45), and the end of the reset spring (411) away from the first card block (45) is fixedly connected to the back side of the second card block (46).

4. The filter bag fixing device in a vertical centrifuge according to claim 3, characterized in that, The number of the fixed pin (42), the latch (43), the movable port (44), the first locking block (45), the second locking block (46), the insertion port (49), the through hole (410), and the reset spring (411) are respectively set to several, and are arranged in a circular array along the circumference of the drum (1).

5. The filter bag fixing device in a vertical centrifuge according to claim 4, characterized in that, A cleaning device (5) is provided on the top of the fixed ring (47). The cleaning device (5) includes a connecting strip (51). The side of the connecting strip (51) is fixedly connected to the side of the first locking block (45). A baffle (52) is fixedly connected to the side of the connecting strip (51). A sliding groove (53) is provided on the top of the fixed ring (47). A through-hole (54) is provided on the top of the fixed ring (47). The through-hole (54) penetrates the bottom of the fixed ring (47). A slot (55) is provided inside the fixed ring (47). A sliding plate (56) is slidably connected inside the slot (55). A slider (57) is fixedly connected to the side of the sliding plate (56).

6. The filter bag fixing device in a vertical centrifuge according to claim 5, characterized in that, A brush plate (58) is fixedly connected to the side of the slider (57), and a cleaning brush bristle (59) is fixedly connected to the side of the brush plate (58). A through groove (510) is provided on the top of the fixing ring (47).

7. The filter bag fixing device in a vertical centrifuge according to claim 6, characterized in that, The bottom of the baffle (52) is located above the opening (54), the side of the cleaning bristles (59) is located inside the filter bag (3), and the size of the baffle (52) is equal to the size of the opening (54).

Images