Filter bag mounting mechanism of flat plate type bag-pulling centrifugal machine

Abstract

The utility model discloses a filter bag mounting mechanism of a flat plate type bag-pulling centrifugal machine. The filter bag mounting mechanism comprises a mounting base plate, an annular buckle device, a sealing ring and a rotary drum, the upper edge of the filter bag is mounted on the mounting base plate; the mounting base plate is detachably connected with a basket opening of the rotary drum, and the lower edge of the filter bag is connected with the bottom of the rotary drum through an annular buckle device; a plurality of positioning guide grooves are formed in the inner side wall of the rotary drum; a plurality of positioning guide blocks matched with the positioning guide grooves are arranged on the outer side of the filter bag; and a sealing ring is arranged on the mounting base plate. The filter bag is effectively prevented from moving left and right, and the separation effect is improved.

Description

Technical Field

[0001] This utility model relates to a flat-plate bag centrifuge, specifically to a filter bag installation mechanism for a flat-plate bag centrifuge. Background Technology

[0002] Centrifuges are machines that use centrifugal force to separate the components in a mixture of liquids and solid particles or liquids and liquids. Due to the advantages that other centrifugation devices do not have, bag centrifuges are widely used. A filter bag device is installed inside the bag scraper centrifuge to separate the materials.

[0003] There are still some problems with the existing method for fixing filter bags in a scraper centrifuge. The existing centrifuge is relatively troublesome to fix and install the filter bags. After installation, the filter bags tend to move left and right during high-speed centrifugation, which affects the separation efficiency. Utility Model Content

[0004] To address the aforementioned issues, this invention provides a flat-plate bag centrifuge filter bag installation mechanism to prevent the filter bags from shifting left and right, thereby improving the separation effect.

[0005] The technical solution of this utility model is as follows: a filter bag mounting mechanism for a flat-plate centrifuge, comprising a mounting base plate, an annular snap-fit ​​device, a sealing ring, and a rotating drum; the upper edge of the filter bag is mounted on the mounting base plate; the mounting base plate is detachably connected to the basket opening of the rotating drum, and the lower edge of the filter bag is connected to the bottom of the rotating drum through the annular snap-fit ​​device; the inner side wall of the rotating drum is provided with several positioning guide grooves; the outer side of the filter bag is provided with several positioning guide blocks that match the positioning guide grooves; and a sealing ring is provided on the mounting base plate.

[0006] Furthermore, the mounting base plate includes a base plate and a pressure plate; an inner pressure ring is provided on the inner side of the lower surface of the pressure plate; a sealing ring is installed on the inner pressure ring; the base plate and the pressure plate are connected by a self-locking assembly.

[0007] Furthermore, the self-locking assembly includes several locking claws disposed on the outer side of the base plate; the outer periphery of the base plate is provided with a groove, the bottom of the locking claw is located in the groove, and is hinged to the groove through a rotating shaft; the bottom of the locking claw is also connected to the base plate through a return spring; a locking protrusion is provided on the inner side of the top of the locking claw; the inner side of the locking protrusion is provided with a beveled structure.

[0008] Furthermore, the bottom of the locking claw is connected to the base plate via a limiting telescopic rod; a return spring is sleeved on the outer periphery of the limiting telescopic rod, with both ends connected to connecting rings on the base plate and the limiting telescopic rod, respectively; the limiting telescopic rod includes an outer sleeve fixedly connected to the base plate and an inner rod slidably connected to the locking claw; the connecting ring is fixed to the end of the inner rod; one end of the inner rod is confined within the outer sleeve and slidably connected to the outer sleeve.

[0009] Furthermore, a sliding groove is provided on the outer side of the locking claw, and a slider that moves along the sliding groove is provided inside the sliding groove; the inner rod is hinged to the slider via a shaft.

[0010] Furthermore, a plurality of hooks are evenly spaced on the outer periphery of the base plate, and the hooks are fixed on the movable seat; the movable seat moves along the guide rail groove in the base plate; a nut seat is rotatably installed on one side of the movable seat, and the nut seat is rotatably connected to the screw in the guide rail groove; sliding plates that slide along the side wall of the guide rail groove are connected to both sides of the movable seat; the upper edge of the filter bag is provided with positioning holes that match the hooks; the pressure plate is provided with waist holes that match the guide rail groove.

[0011] Furthermore, the annular buckle device comprises a support hoop body and a spring claw disposed within the support hoop body; the spring claw includes an arc-shaped spring piece and a serpentine spring piece, the serpentine spring piece being located between the arc-shaped spring piece and the support hoop body, and the two ends of the arc-shaped spring piece being slidably connected to the support hoop body; a slot matching the annular buckle device is provided at the bottom of the drum.

[0012] Furthermore, the mounting base plate is provided with several positioning grooves; the top of the drum is provided with several positioning protrusions.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1) By setting up positioning guide blocks and positioning guide grooves, this utility model can prevent the filter bag from moving left and right during centrifugation, so that the filter bag fits better with the inner wall of the drum and improves the filtration effect.

[0015] 2) This utility model improves the installation base plate structure, and the self-locking structure makes installation faster. The sealing ring and inner pressure ring improve the sealing effect of the filter bag.

[0016] 3) The hooks and movable seats on the base plate facilitate the fixing of the filter bags and the adjustment of the filter bag opening tension when installing the filter bags. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model.

[0019] Figure 2for Figure 1 A magnified view of A in the middle.

[0020] Figure 3 This is a schematic diagram of the hooks installed on the base plate.

[0021] Figure 4 This is a schematic diagram of a ring-shaped buckle device.

[0022] Figure 5 This is a schematic diagram showing the connection between the positioning guide block and the positioning guide groove on the outside of the filter bag. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below through specific embodiments.

[0024] refer to Figures 1-4 This utility model relates to a flat-plate centrifuge filter bag installation mechanism, which includes an installation base plate 1, an annular buckle device 2, a sealing ring 3, and a rotating drum 4.

[0025] The upper edge of the filter bag of this invention is mounted on the mounting base plate 1, and a sealing ring 3 is provided on the mounting base plate 1. The mounting base plate 1 is detachably connected to the basket opening of the rotating drum 4. The lower edge of the filter bag is connected to the bottom of the rotating drum 4 through a ring-shaped buckle device 2.

[0026] The inner wall of the drum 4 of this utility model is provided with a plurality of positioning guide grooves 41 at equal intervals along the circumference; the outer side of the filter bag is provided with a plurality of positioning guide blocks 42 that match the positioning guide grooves 41 at equal intervals along the circumference.

[0027] In this embodiment, mounting holes are provided on the outer side of the positioning guide block 42, and a connecting strap is provided on the outer side of the filter bag. The connecting strap is tied to the positioning guide block 42 for fixation.

[0028] During installation, the positioning guide block 42 on the outside of the filter bag is inserted into the positioning guide groove 41 and can move up and down in the positioning guide groove 41.

[0029] Preferably, positioning guide blocks 42 are provided on both the upper and lower parts of the outer side of the filter bag.

[0030] By setting the positioning guide block 42 and the positioning guide groove 41, the filter bag can be prevented from moving left and right during centrifugation, so that the filter bag fits better with the inner wall of the drum and improves the filtration effect.

[0031] In this embodiment, the mounting base plate 1 is provided with several positioning grooves; the top of the drum 4 is provided with several positioning protrusions. The mounting base plate is placed on the basket of the drum by the positioning and locking of the positioning grooves and positioning protrusions.

[0032] In this embodiment, the mounting base plate 1 includes a base plate 11 and a pressure plate 12. An inner pressure ring is provided on the inner side of the lower surface of the pressure plate 12; a sealing ring 3 is installed on the inner pressure ring. The outer edge of the upper part of the filter bag is laid on the base plate 11. When the base plate 11 and the pressure plate 12 are connected, the inner pressure ring of the pressure plate 12 presses against the edge of the filter bag and the base plate 11, and the sealing ring 3 seals, improving the sealing effect of the filter bag installation. Preferably, a sealing ring 3 is also provided at the corresponding position of the base plate 11 and the inner pressure ring.

[0033] The base plate 11 and the pressure plate 12 are connected by a self-locking assembly. The self-locking assembly includes a plurality of locking claws 51 disposed on the outer side of the base plate 11; a groove 52 is provided on the outer periphery of the base plate 11, the bottom of the locking claws 51 is located in the groove and is hinged to the groove 52 by a rotating shaft; the bottom of the locking claws 51 is also connected to the base plate 11 by a return spring 53; a locking protrusion 55 is provided on the inner side of the top of the locking claws 51; the inner side of the locking protrusion 55 is provided with a bevel structure.

[0034] When the pressure plate 12 is pressed down, the outer edge squeezes the inclined structure of the locking claw 51, and the locking claw 51 tilts and rotates outward. The pressure plate 12 continues to press down and moves to below the locking protrusion 55. The locking protrusion 55 loses the squeezing effect of the pressure plate 12 and resets under the action of the return spring 53. The locking protrusion 55 limits and locks the pressure plate 12.

[0035] In this embodiment, the annular buckle device 2 consists of a support hoop body and a spring claw disposed within the support hoop body; the spring claw includes an arc-shaped spring piece and a serpentine spring piece, the serpentine spring piece being located between the arc-shaped spring piece and the support hoop body, and the two ends of the arc-shaped spring piece being slidably connected to the support hoop body; the bottom of the drum 4 is provided with a slot that matches the annular buckle device 2.

[0036] The ring-shaped buckle device 2 in this embodiment is easy to install, and the serpentine spring pushes the arc-shaped spring to engage with the slot at the bottom of the drum 4.

[0037] Example 2

[0038] In this embodiment, based on embodiment 1, the bottom of the locking claw 51 is also connected to the base plate 11 via a limiting telescopic rod 56; the return spring 53 is sleeved on the outer periphery of the limiting telescopic rod 56, and its two ends are respectively connected to the connecting rings on the base plate 11 and the limiting telescopic rod; the limiting telescopic rod includes an outer tube fixedly connected to the base plate 11 and an inner rod slidably connected to the locking claw; the connecting ring is fixed to the end of the inner rod; one end of the inner rod is limited to the outer tube and slidably connected to the outer tube.

[0039] A sliding groove is provided on the outer side of the locking claw, and a slider 58 that moves along the sliding groove is provided inside the sliding groove; the inner rod is hinged to the slider through a shaft.

[0040] In this embodiment, the stability of the return spring is improved by setting a limiting telescopic rod 56.

[0041] Example 3

[0042] In this embodiment, based on embodiment 1, several hooks are evenly distributed around the outer periphery of the base plate 11, and the hooks are fixed on the movable seat; the movable seat moves along the guide rail groove inside the base plate 11; a nut seat is rotatably installed on one side of the movable seat, and the nut seat is rotatably connected to the screw in the guide rail groove; sliding plates that slide along the side wall of the guide rail groove are connected to both sides of the movable seat; the upper edge of the filter bag is provided with positioning holes that match the hooks; the pressure plate 12 is provided with waist holes that match the guide rail groove.

[0043] In this embodiment, when the filter bag edge is installed on the base plate 11, the filter bag is effectively fixed by the hook, and the filter bag can be tightened by adjusting the nut seat.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Those skilled in the art can make various modifications or equivalent substitutions to the present utility model within its substance and protection scope, and such modifications or equivalent substitutions should also be considered to fall within the protection scope of the present utility model's technical solution.

Claims

1. A flat plate drawstring centrifuge filter bag mounting mechanism characterized by: The system includes a mounting base plate (1), an annular snap fastener (2), a sealing ring (3), and a rotating drum (4). The upper edge of the filter bag is mounted on the mounting base plate (1). The mounting base plate (1) and the basket opening of the rotating drum (4) are detachably connected. The lower edge of the filter bag is connected to the bottom of the rotating drum (4) through the annular snap fastener (2). The inner side wall of the rotating drum (4) is provided with several positioning guide grooves (41). The outer side of the filter bag is provided with several positioning guide blocks (42) that match the positioning guide grooves (41). The mounting base plate (1) is provided with a sealing ring (3).

2. A flat plate type pull-bag centrifuge filter bag mounting mechanism according to claim 1, characterized in that: The mounting base plate (1) includes a base plate (11) and a pressure plate (12); an inner pressure ring is provided on the inner side of the lower surface of the pressure plate (12); a sealing ring (3) is installed on the inner pressure ring; the base plate (11) and the pressure plate (12) are connected by a self-locking assembly.

3. A flat plate drawstring centrifuge filter bag mounting mechanism according to claim 2, characterized in that: The self-locking assembly includes several locking claws (51) disposed on the outer side of the base plate (11); the outer periphery of the base plate (11) is provided with a groove (52), the bottom of the locking claw (51) is located in the groove and is hinged to the groove (52) by a rotating shaft; the bottom of the locking claw (51) is also connected to the base plate (11) by a return spring (53); the inner side of the top of the locking claw (51) is provided with a locking protrusion (55); the inner side of the locking protrusion (55) is provided with a bevel structure.

4. A flat plate type pull-bag centrifuge filter bag mounting mechanism according to claim 3, characterized in that: The bottom of the locking claw (51) is also connected to the base plate (11) via a limiting telescopic rod (56); the return spring (53) is sleeved on the outer periphery of the limiting telescopic rod (56), and its two ends are respectively connected to the connecting rings on the base plate (11) and the limiting telescopic rod; the limiting telescopic rod includes an outer tube fixedly connected to the base plate (11) and an inner rod slidably connected to the locking claw; the connecting ring is fixed at the end of the inner rod; one end of the inner rod is limited to the outer tube and slidably connected to the outer tube.

5. A flat plate drawstring centrifuge filter bag mounting mechanism according to claim 4, characterized in that: The locking claw is provided with a sliding groove on the outside, and a slider (58) that moves along the sliding groove is provided in the sliding groove; the inner rod is hinged to the slider through a shaft.

6. A flat plate drawstring centrifuge filter bag mounting mechanism according to claim 2, characterized in that: The bottom plate (11) has several hooks (61) evenly spaced around its outer periphery, and the hooks are fixed on the movable seat (62). The movable seat (62) moves along the guide rail groove in the bottom plate (11). A nut seat (63) is rotatably installed on one side of the movable seat, and the nut seat is rotatably connected to the screw (64) in the guide rail groove. The two sides of the movable seat are connected to sliding plates that slide along the sliding groove on the side wall of the guide rail groove (65). The upper edge of the filter bag is provided with positioning holes (66) that match the hooks. The pressure plate (12) is provided with waist holes (67) that match the guide rail groove.

7. A flat plate drawstring centrifuge filter bag mounting mechanism according to claim 1, characterized in that: The ring buckle device (2) consists of a support hoop body (21) and a spring claw disposed within the support hoop body (21); the spring claw includes an arc-shaped spring piece (22) and a serpentine spring piece (23), the serpentine spring piece (23) being located between the arc-shaped spring piece (22) and the support hoop body (21), and the two ends of the arc-shaped spring piece being slidably connected to the support hoop body; the bottom of the drum (4) is provided with a slot (24) that matches the ring buckle device (2).

8. The filter bag installation mechanism for a flat-plate centrifuge according to claim 1, characterized in that: The mounting base plate (1) is provided with several positioning grooves; the top of the drum (4) is provided with several positioning protrusions.

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