Purifying and filtering device for polyamide resin production

Abstract

The utility model discloses a purifying and filtering device for polyamide resin production. The purifying and filtering device comprises a shell and a sealing cover arranged on the shell in a sliding manner, the quick-release filter plate is clamped in the shell through a connecting assembly and is blocked by the sealing cover; the quick-release filter plate comprises a lower filter plate and an upper filter plate driven to move, the upper filter plate and the lower filter plate are in universal running fit through a limiting ball fixedly arranged on the upper filter plate, and an included angle is formed between the axis of the upper filter plate and the axis of the lower filter plate. According to the purifying and filtering device for polyamide resin production, the quick-release filter plate can be directly replaced or cleaned through the connecting assembly, the material collecting hopper does not need to be exposed outside, the device does not need to be disassembled, the operation is simple, the quick-release filter plate is blocked through the sealing cover, the possibility that the material collecting hopper is exposed is further reduced, and the production efficiency is improved. Meanwhile, the upper filter plate and the lower filter plate are matched to eliminate bubbles generated in the production process, so that the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a polyamide resin production purification filter device. Background Art

[0002] In the polyamide production process, the reactants and products need to be filtered to remove impurities and solid particles. The filtering device usually includes filter material, filter cloth, filter and other components.

[0003] In conjunction with publication number CN213853320U, publication date 2021-08-03, a filtering device for producing polyamide resin is disclosed.

[0004] In the prior art including the above-mentioned patent, the plug plate is removed by a handle, and the polyamide resin to be filtered is introduced into the cylinder through the feed port. The polyamide resin is filtered by the filter plate and stirred by the stirring rod. The polyamide resin attached to the inner wall of the cylinder is effectively cleaned by the second scraper. The impurities filtered out of the filter plate are moved by the first scraper to prevent the impurities from clogging the filter plate. The polyamide resin passing through the filter plate is gathered to the discharge pipe position by the collection funnel. The control valve is opened by turning the cross bar by the L-shaped handle, and the filtered polyamide resin is discharged through the discharge pipe. When the filter plate is disassembled and replaced by the above-mentioned technology, the top plate needs to be removed, and then the cylinder is taken out of the box by the handle, and then the bolts fixing the filter plate are loosened to remove the filter plate. During the disassembly and replacement process, the collection funnel under the filter plate will be exposed to the outside, which may be mixed with foreign impurities and affect the final product. Utility Model Content

[0005] The utility model aims to provide a polyamide resin production purification and filtering device to solve the above problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyamide resin production purification device, comprising a housing and a sealing cover slidably arranged thereon;

[0007] A quick-release filter plate, which is snap-fitted into the housing through a connecting assembly and sealed by a sealing cover;

[0008] The quick-release filter plate comprises a lower filter plate and a driven upper filter plate, wherein the upper filter plate and the lower filter plate are universally rotated together by a limiting ball fixedly arranged on the upper filter plate, and an angle exists between the axes of the upper filter plate and the lower filter plate.

[0009] Preferably, a motor is provided on the casing, and a scraper is provided on the output shaft of the motor, and the upper filter plate is pushed by the scraper.

[0010] Preferably, the upper filter plate is a conical structure, and is provided with a plurality of guide grooves extending toward the axis.

[0011] Preferably, the connection assembly comprises:

[0012] A card slot provided on the inner wall of the casing;

[0013] A transmission rod symmetrically and slidably arranged on the side wall of the lower filter plate;

[0014] A clamping member is arranged on the lower filter plate and is retracted into the lower filter plate as the two transmission rods approach each other, and the clamping member is engaged with the clamping groove;

[0015] An elastic member disposed on the clamping member and used to enable the clamping member to extend outward.

[0016] Preferably, the clamping member is rotatably arranged on both sides of the lower filter plate, and the clamping member comprises a vertical portion and a clamping portion abutting against the clamping groove, and the vertical portion is rotatably connected to the transmission rod.

[0017] Preferably, one end of a control rod is provided on the transmission rod, a limiting ring is fixedly provided on the other end of the control rod, and the two control rods are hinged, and the limiting ring is movably provided in the lower filter plate to resist the limiting ball.

[0018] In the above technical scheme, the utility model provides a polyamide resin production and purification device, which has the following beneficial effects: the quick-release filter plate can be directly replaced or cleaned through the connecting assembly, without exposing the aggregate funnel to the outside or disassembling the device, which is relatively simple, and the quick-release filter plate is sealed by a sealing cover, further reducing the possibility of exposing the aggregate funnel. At the same time, the cooperation between the upper filter plate and the lower filter plate eliminates the bubbles generated in the production process, thereby improving the filtration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 An overall three-dimensional schematic diagram provided for an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the inner wall of the housing and the quick-release filter plate provided in an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of an upper filter plate and a lower filter plate provided in an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of a connection assembly provided in an embodiment of the utility model.

[0024] Description of reference numerals:

[0025] 1. Casing; 11. Sealing cover; 12. Slot; 3. Scraper; 4. Upper filter plate; 41. Limiting ball; 42. Guide groove; 43. Lower filter plate; 5. Connecting assembly; 51. Transmission rod; 52. Clamp; 53. Elastic member; 54. Control rod; 55. Limiting ring. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] Figure 1-4 As shown, a polyamide resin production and purification device comprises a housing 1 and a sealing cover 11 slidably arranged thereon;

[0028] A quick-release filter plate, which is clamped into the housing 1 through a connecting assembly 5 and is sealed by a sealing cover 11;

[0029] The quick-release filter plate includes a lower filter plate 43 and a driven upper filter plate 4. The upper filter plate 4 and the lower filter plate 43 form a universal rotation fit through a limit ball 41 fixedly arranged on the upper filter plate 4, and there is an angle between the axes of the upper filter plate 4 and the lower filter plate 43.

[0030] Specifically, when the quick-release filter plate needs to be replaced, the sealing cover 11 is slid upward to expose the quick-release filter plate to the outside, and the quick-release filter plate is separated from the casing 1 by releasing the connection assembly 5, and then replaced or cleaned, a new quick-release filter plate is placed in the casing 1, and the sealing cover 11 is pulled down to seal the quick-release filter plate, and the upper filter plate 4 is driven to rotate by the output shaft of the motor. Since there is an angle between the axes of the upper filter plate 4 and the lower filter plate 43, the spacing between the upper filter plate 4 and the lower filter plate 43 changes periodically during the rotation process, and one end is always high and the other end opposite to it is low, so that the polyamide resin between the upper filter plate 4 and the lower filter plate 43 is in a stretched or compressed state; or the electric hydraulic rod drives one side of the upper filter plate 4 to move up and down, and drives the other side opposite to it to move in the opposite direction, and the spacing between the lower filter plate 43 changes periodically, and one end is always high and the other end opposite to it is low, so that the polyamide resin between the upper filter plate 4 and the lower filter plate 43 is in a stretched or compressed state, and the bubbles generated in the production process are eliminated, thereby improving the filtering efficiency.

[0031] The connection assembly 5 can be connected by bolts, elastic fasteners, or other connection methods known to those skilled in the art.

[0032] In the above technology, the quick-release filter plate can be directly replaced or cleaned through the connecting component 5, without exposing the aggregate funnel to the outside or disassembling the device, which is relatively simple. The quick-release filter plate is also sealed by the sealing cover 11, further reducing the possibility of exposing the aggregate funnel. At the same time, the cooperation between the upper filter plate 4 and the lower filter plate 43 eliminates the bubbles generated during the production process, thereby improving the filtration efficiency.

[0033] As an embodiment further provided by the present invention, a motor is disposed on the housing 1 , and a scraper 3 is disposed on the output shaft of the motor. The upper filter plate 4 is pushed by the scraper 3 to be tightly attached to the lower filter plate 43 .

[0034] Specifically, the output shaft of the motor drives the scraper 3 to rotate and scrape off the polyamide resin on the inner wall of the casing 1. At the same time, the scraper 3 pushes the filter plate 4 and the lower filter plate 43 to change the distance periodically, so that one end is always high and the other end opposite to it is low, so that the polyamide resin located between the upper filter plate 4 and the lower filter plate 43 is in a stretched or compressed state, eliminating the bubbles generated in the production process and improving the filtering efficiency.

[0035] As another embodiment further provided by the present invention, the upper filter plate 4 is a conical structure, and is provided with a plurality of guide grooves 42 extending toward the axis.

[0036] Specifically, since the upper filter plate 4 is in a conical structure, it can better gather the impurities in the polyamide resin, so that the impurities can be gathered at the axis of the upper filter plate 4 along the guide groove 42, which is convenient for cleaning.

[0037] As another embodiment further provided by the present invention, the connection component 5 includes:

[0038] A card slot 12 is provided on the inner wall of the housing 1;

[0039] A transmission rod 51 symmetrically and slidably arranged on the side wall of the lower filter plate 43;

[0040] A clamping member 52 is disposed on the lower filter plate 43 and is retracted into the lower filter plate 43 as the two transmission rods 51 approach each other, and the clamping member 52 is engaged with the clamping slot 12;

[0041] An elastic member 53 is disposed on the clamping member 52 and is used to make the clamping member 52 extend outward.

[0042] Specifically, when the quick-release filter plate needs to be removed, the transmission rods 51 are slid toward each other so that the clamping member 52 is retracted into the lower filter plate 43 and no longer engages with the clamping slot 12. When it needs to be installed, the quick-release filter plate is placed and then released, so that the clamping member 52 extends outward under the elastic force of the elastic member 53, and the clamping member 52 engages with the clamping slot 12, thereby fixing the quick-release filter plate in the housing 1.

[0043] As another embodiment further provided by the present invention, the clamping member 52 is rotatably arranged on both sides of the lower filter plate 43 , and the clamping member 52 includes a vertical portion and a clamping portion that abuts against the clamping slot 12 , and the vertical portion is rotatably connected to the transmission rod 51 .

[0044] Specifically, the vertical portion and the clamping portion are located at different ends of the clamping member 52. When the transmission rod 51 moves toward each other, it drives the vertical portion to rotate to overcome the elastic force of the elastic member 53, and the clamping portion is transferred into the lower filter plate 43, so that the clamping portion is no longer clamped with the clamping slot 12. When the transmission rod 51 is released, the elastic member 53 drives the clamping portion to extend outward and clamp with the clamping slot 12.

[0045] As another embodiment further provided by the present invention, one end of a control rod 54 is provided on the transmission rod 51, and a limiting ring 55 is fixedly provided on the other end of the control rod 54, and the two control rods 54 are hinged, and the limiting ring 55 is movably provided in the lower filter plate 43 to resist the limiting ball 41.

[0046] Specifically, when the transmission rods 51 approach each other, one end of the control rod 54 is driven to approach each other, and the other ends of the fixed limiting rings 55 move away from each other, so that the two limiting rings 55 no longer conflict with the limiting balls 41. At this time, the upper filter plate 4 and the lower filter plate 43 are separated from each other, and the upper filter plate 4 can be taken out separately for replacement and cleaning, and then the limiting balls 41 are matched with the limiting rings 55, so that the transmission rods 51 move away from each other, and the two limiting rings 55 move toward each other and conflict with the limiting balls 41, so as to prevent the limiting balls 41 from separating from the lower filter plate 43.

[0047] Working principle: when the quick-release filter plate needs to be replaced, the sealing cover 11 is slid upward to expose the quick-release filter plate to the outside, and the transmission rod 51 is moved toward each other, driving the vertical part to overcome the elastic force of the elastic member 53 and rotate, so that the clamping part is transferred into the lower filter plate 43, so that the clamping part is no longer clamped with the clamping groove 12, and the quick-release filter plate is pulled out. At the same time, one end of the control rod 54 approaches each other, and the other end of the fixed limiting ring 55 moves away from each other, so that the two limiting rings 55 no longer interfere with the limiting ball 41. At this time, the upper filter plate 4 and the lower filter plate 43 are separated from each other, and the upper filter plate 4 and the lower filter plate 43 are cleaned or replaced, and then the limiting ball 41 is matched with the limiting ring 55, so that the transmission rod 51 moves away from each other, and the two limiting rings 55 are The positioning rings 55 are close to each other and contact the limiting ball 41, and then the transmission rod 51 is moved toward each other to make the clamping member 52 retract into the lower filter plate 43, and the quick-release filter plate is placed at the corresponding position in the casing 1, and the hand is released so that the elastic member 53 drives the clamping part to extend outward and clamp with the clamping groove 12; in normal use, the output shaft of the motor drives the scraper 3 to rotate and scrape off the polyamide resin on the inner wall of the casing 1. At the same time, the scraper 3 pushes the filter plate 4 and the distance between the lower filter plate 43 changes periodically, and there is always one end higher and the other end opposite to it is lower, so that the polyamide resin located between the upper filter plate 4 and the lower filter plate 43 is in a stretched or compressed state, and the bubbles generated in the production process are eliminated, thereby improving the filtering efficiency.

[0048] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A polyamide resin production and purification device, characterized in that: It comprises a housing (1) and a sealing cover (11) slidably arranged on the housing; A quick-release filter plate, which is clamped into the interior of the housing (1) via a connecting assembly (5) and is sealed by a sealing cover (11); The quick-release filter plate comprises a lower filter plate (43) and a driven upper filter plate (4), wherein the upper filter plate (4) and the lower filter plate (43) form a universal rotation fit through a limit ball (41) fixedly arranged on the upper filter plate (4), and an angle exists between the axes of the upper filter plate (4) and the lower filter plate (43).

2. A polyamide resin production and purification device according to claim 1, characterized in that: The housing (1) is provided with a motor, and the output shaft of the motor is provided with a scraper (3), and the upper filter plate (4) is pushed by the scraper (3).

3. A polyamide resin production and purification device according to claim 1, characterized in that: The upper filter plate (4) is a conical structure, and is provided with a plurality of guide grooves (42) extending toward the axis.

4. A polyamide resin production and purification device according to claim 1, characterized in that: The connection assembly (5) comprises: A card slot (12) is arranged on the inner wall of the housing (1); A transmission rod (51) symmetrically and slidably arranged on the side wall of the lower filter plate (43); A clamping member (52) is disposed on the lower filter plate (43) and is retracted into the interior of the lower filter plate (43) as the two transmission rods (51) approach each other, wherein the clamping member (52) is in clamping engagement with the clamping groove (12); An elastic member (53) is arranged on the clamping member (52) and is used to enable the clamping member (52) to extend outward.

5. A polyamide resin production and purification device according to claim 4, characterized in that: The clamping member (52) is rotatably arranged on both sides of the lower filter plate (43), and the clamping member (52) comprises a vertical portion and a clamping portion that contacts the clamping groove (12), and the vertical portion is rotatably connected to the transmission rod (51).

6. A polyamide resin production and purification device according to claim 4, characterized in that: One end of a control rod (54) is provided on the transmission rod (51), a limiting ring (55) is fixedly provided on the other end of the control rod (54), and the two control rods (54) are hinged, and the limiting ring (55) is movably arranged in the lower filter plate (43) to abut against the limiting ball (41).

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