Polyester chip melt filtering device

Abstract

The utility model provides a polyester chip melt filtering device, which relates to the technical field of polyester chip melt filtering devices and comprises a fixedly arranged filter cartridge, a plurality of side filtering holes uniformly arranged on the side wall of the filter cartridge, a feed inlet arranged close to the top end of the filter cartridge, a driving source fixedly arranged at the top of the filter cartridge, and a filtrate disc detachably arranged at the bottom of the filter cartridge, a plurality of bottom filtering holes are formed in the filtrate disc; the filter pressing mechanism is arranged in the filter cartridge through a driving source in an up-down telescopic manner, and a filter pressing head is separated from the inner wall of the filter cartridge; according to the utility model, the filter pressing mechanism is driven to carry out filter pressing on the melt in the filter cartridge, so that the filtering efficiency is greatly improved, and meanwhile, the unmelted particles are continuously compressed and gathered at the bottom by driving the unblocking mechanism to slide up and down, so that the subsequent cleaning is facilitated, and the production efficiency is improved. The problems that in the prior art, unmelted particles are not prone to being gathered and then cleaned, and the filtering efficiency is low are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyester chip melt filtering device technical field especially relates to a polyester chip melt filtering device. BACKGROUND

[0002] In the polyester production process, generally set up filter device to remove the unmelted particle and other impurities in the melt, to improve the spinning performance of the melt and ensure the spinning quality, the traditional melt filter when the filter core is blocked, cannot clean up by oneself, need to take down the filter core and install after manual cleaning, the process is time-consuming, and the production cost is high.

[0003] The utility model discloses a kind of polyester chip melt filtering devices of anti-blocking of Chinese utility model with authorized announcement No.CN221999065U, including tank body, tank body top end is fixedly installed with top cover, tank body inner side wall annular array is fixedly connected with multiple connecting blocks, multiple connecting blocks are fixedly connected with external filter cylinder between, multiple connecting plates are fixedly connected in the bottom of external filter cylinder, multiple connecting plates are fixedly connected with internal filter cylinder between, bottom plate is arranged at the bottom end of external filter cylinder and internal filter cylinder, bottom plate is provided with lifting mechanism for driving bottom plate to move up and down, top cover is provided with cleaning mechanism for cleaning the surface of internal filter cylinder and external filter cylinder, bottom plate is separated from internal filter cylinder and external filter cylinder by the lifting mechanism arranged, so as to facilitate the impurities accumulated on bottom plate to be cleaned, the filter hole of internal filter cylinder and external filter cylinder is cleaned by the cleaning mechanism arranged, to prevent the filter hole from being blocked and affecting normal filtering operation.

[0004] But in the above structure, melt filtration needs its through natural flow, and polyester chip melt itself has certain viscosity, leading to low filtering efficiency, and because it is provided with constantly rotating stirring blade and cleaning brush, unmelted particle is constantly rotated, which is not conducive to the cleaning of unmelted particle after aggregation, and the filter hole is more likely to be blocked in later period, further affecting filtering efficiency. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies in the prior art, the utility model provides a polyester chip melt filtering device, which solves the problems of the prior art that unmelted particles are not easy to aggregate and clean, and the filtering efficiency is low.

[0006] According to the embodiment of the utility model, a polyester chip melt filtering device comprises:

[0007] The filter cylinder is fixedly arranged, and a plurality of side filter holes are uniformly arranged on the side wall of the filter cylinder.

[0008] A filtrate pan is detachably arranged at the bottom of the filter cartridge, and a plurality of bottom filter holes are arranged on the filtrate pan.

[0009] A filter pressing mechanism is arranged in the filter cartridge through a driving source, and the filter pressing head is arranged away from the inner wall of the filter cartridge.

[0010] A blockage cleaning mechanism is arranged on the outer wall of the filter cartridge through a driving source, and is used for cleaning the blockage of the side filter holes.

[0011] The technical principle of the utility model is as follows: when the polyester chip melt enters the filter cartridge from the feed inlet, the driving source is started, the filter pressing head is controlled to downwardly filter the melt, the melt is quickly filtered through the filter hole, at the same time, the blockage cleaning mechanism is driven to slide downwardly on the outer wall of the filter cartridge, the unmelted particles and impurities blocked in the side filter hole are cleaned, and the unmelted particles and impurities are continuously compressed and gathered at the bottom, the filter pressing head is lifted to the top end of the filter cartridge, the above operation is repeated, and efficient filter pressing can be realized.

[0012] Further, the filter cartridge is fixedly arranged in a filter tank, a feed pipe is arranged on the tank wall of the filter tank, and the feed pipe is communicated with the feed inlet.

[0013] Further, the blockage cleaning mechanism comprises a blockage cleaning ring, the blockage cleaning ring is sleeved below the feed pipe around the filter cartridge, and a plurality of bristles are uniformly arranged on the inner wall of the blockage cleaning ring.

[0014] Further, the driving source is a hydraulic cylinder, the hydraulic cylinder is fixedly arranged on the filter tank, the hydraulic cylinder is provided with a first telescopic rod which is telescopically arranged downwardly, the first telescopic rod is fixedly connected with the filter pressing head, and is used for driving the filter pressing head to move up and down in the filter cartridge.

[0015] Further, the hydraulic cylinder is further provided with a second telescopic rod which is telescopically arranged downwardly, the second telescopic rod is fixedly connected with the blockage cleaning ring, and is used for driving the blockage cleaning ring to move up and down along the outer wall of the filter cartridge.

[0016] Further, a base is threadedly connected to the bottom of the filter tank, and the upper end of the base is fixedly connected with the filtrate pan.

[0017] Further, a discharge pipe is arranged at the bottom of the base, and a stop valve is arranged on the discharge pipe.

[0018] Further, a limiting ring is arranged on the filtrate pan, and a sealing ring is arranged around the bottom end of the filter cartridge, and is used for being embedded in the limiting ring to be sealingly fixed.

[0019] Compared with the prior art, the utility model has the beneficial effects that

[0020] 1. By setting filter press mechanism at the top of filter cartridge, drive filter press head to filter melt in filter cartridge, melt filtrate is filtered fast through filter hole, greatly accelerate melt filtration speed, at the same time make that unmelting particle and impurity are compressed and gathered in bottom continuously, facilitate subsequent cleaning.

[0021] 2. By setting the clearing mechanism on the outer wall of the filter cartridge, the unmelting particles and impurities blocked in the side filter hole are cleared by controlling the up and down sliding of the clearing mechanism, which avoids the blockage of the side filter hole and affects the filtering efficiency, and promotes the aggregation of the unmelting particles and impurities at the bottom of the filter cartridge.

[0022] 3. By detachably setting the filtrate disc at the bottom of the filter cartridge, when the unmelting particles and impurities are gathered more at the bottom, the filtrate disc can be quickly removed and cleaned, which is convenient and fast to operate and improves the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the embodiment of the utility model.

[0024] Figure 2 It is a whole cross section structure schematic view of the embodiment of the utility model.

[0025] Figure 3 It is Figure 2 Structure schematic view of A in the middle.

[0026] Figure 4 It is a filter cartridge assembly structure schematic view of the embodiment of the utility model.

[0027] Figure 5 It is Figure 4 Structure schematic view of B in the middle.

[0028] In the above drawings: 1, filter tank;11, feed pipe;12, support leg;13, first connecting plate;14, reduced diameter part;141, internal thread;2, base;21, discharge pipe;211, stop valve;22, external thread;23, second connecting plate;3, hydraulic cylinder;31, first telescopic rod;32, filter press head;33, second telescopic rod;34, clearing ring;341, brush;4, filter cartridge;41, side filter hole;42, sealing ring;43, feed port;5, filtrate disc;51, limiting ring;52, bottom filter hole. DETAILED DESCRIPTION

[0029] The technical scheme in the utility model will be further explained below in combination with the drawings and embodiments.

[0030] As Figures 1-4 shown, the utility model embodiment proposes a kind of polyester chip melt filtering device, including:

[0031] The filter cartridge 4 is fixedly arranged in the filter tank 1, the filter tank 1 is fixed by the supporting leg 12, the inner wall of the filter tank 1 is provided with the first connecting plate 13 around the position close to the top, the first connecting plate 13 is fixedly connected with the top end of the filter cartridge 4, a plurality of side filter holes 41 are uniformly arranged on the side wall of the filter cartridge 4, the filter hole diameter is determined according to actual production requirements, further, the feeding port 43 is arranged on the top end of the filter cartridge 4, the feeding pipe 11 is arranged on the tank wall of the filter tank 1, the feeding pipe 11 is communicated with the feeding port 43, so that the melt enters the filter cartridge 4, the filter tank 1 is provided with the reduced diameter portion 14 at the bottom, the diameter of the reduced diameter portion 14 gradually decreases, so that the melt is gathered, the bottom end of the reduced diameter portion 14 is provided as an opening, and the inner thread 141 is arranged around the inside.

[0032] As shown in Figures 1-4 The polyester chip melt filtering device provided in the embodiment of the utility model further comprises:

[0033] The filtrate disc 5 is detachably arranged at the bottom of the filter cartridge 4, a plurality of bottom filter holes 52 are arranged on the filtrate disc 5, the bottom filter hole 52 is consistent with the side filter hole 41 in hole diameter, the filtrate disc 5 is further fixedly provided with the base 2, the base 2 is preferably bowl-shaped, the second connecting plate 23 is arranged around the position close to the top of the base 2, the second connecting plate 23 is uniformly provided with an openwork, so that the filtrate can flow down, the second connecting plate 23 is fixedly connected with the filtrate disc 5, the outer thread 22 is protrusively arranged around the top end of the base 2, the outer thread 22 is screw-connected with the inner thread 141 at the bottom of the filter tank 1, the base 2 can be detached through screwing in or out, so that the filtrate disc 5 can be cleaned or overhauled.

[0034] Further, in the embodiment, the base 2 is further provided with the discharge pipe 21 at the bottom, the discharge pipe 21 is provided with the stop valve 211, which is used for controlling the discharge of the melt filtrate.

[0035] Further, in the embodiment, the filtrate disc 5 is further provided with the limiting ring 51, the diameter of the limiting ring 51 is slightly larger than the outer diameter of the filter cartridge 4, the bottom end of the filter cartridge 4 is provided with the sealing ring 42 around, the sealing ring 42 is preferably made of metal or perfluoroether rubber material, so as to ensure the sealing performance in the high-temperature environment, the filter cartridge 4 can be embedded and fixedly arranged in the limiting ring 51, so that the unmelted particles and impurities are prevented from escaping from the gap between the two in the filter pressing process.

[0036] As shown in Figures 1-4 The polyester chip melt filtering device provided in the embodiment of the utility model further comprises:

[0037] The filter press mechanism comprises a filter press head 32 arranged in the filter cylinder 4 through a driving source in an up-down telescopic mode, and the filter press head 32 is arranged away from the inner wall of the filter cylinder 4 to provide a better filter pressing effect; the driving source is fixedly arranged on the top of the filter tank 1; in the embodiment, the driving source is preferably a hydraulic cylinder 3, and the hydraulic cylinder 3 is preferably a multi-piston hydraulic cylinder, so that the hydraulic cylinder 3 can drive multiple hydraulic rods to move simultaneously; the hydraulic cylinder 3 is provided with a first telescopic rod 31 arranged in a downward telescopic mode, the first telescopic rod 31 penetrates the top of the filter tank 1 and is fixedly connected with the filter press head 32, and is used for driving the filter press head 32 to move up and down in the filter cylinder 4.

[0038] As shown in Figures 2-5 The polyester chip melt filter device provided in the embodiment of the utility model further comprises:

[0039] The blockage cleaning mechanism is arranged on the outer wall of the filter cylinder 4 in a sliding mode through a driving source, and is used for cleaning the side filter holes 41; the blockage cleaning mechanism comprises a blockage cleaning ring 34, the diameter of the blockage cleaning ring 34 is slightly larger than that of the filter cylinder 4, the blockage cleaning ring 34 is arranged below the feed pipe 11 and surrounds the filter cylinder 4, a plurality of bristles 341 are uniformly arranged on the inner wall of the blockage cleaning ring 34, the material of the bristles 341 is preferably soft metal or carbon fiber, so that the bristles 341 can be normally used in a high-temperature polyester environment, and when the blockage cleaning ring 34 slides up and down, the blockage cleaning ring 34 can clean the unmelted particles and impurities blocked in the side filter holes 41 from the outside to the inside through the bristles 341; in the embodiment, the hydraulic cylinder 3 is further provided with a second telescopic rod 33 arranged in a downward telescopic mode, the second telescopic rod 33 is fixedly connected with the blockage cleaning ring 34, and is used for driving the blockage cleaning ring 34 to move up and down along the outer wall of the filter cylinder 4.

[0040] The technical principle of the utility model is as follows: when the polyester chip melt enters the filter cylinder 4 from the feed pipe 11, the hydraulic cylinder 3 is started, the hydraulic cylinder 3 drives the first telescopic rod 31 and the second telescopic rod 33 to move downwards, the first telescopic rod 31 controls the filter press head 32 to press filter downwards, the melt is quickly filtered through the side filter holes 41 and the bottom filter holes 52, the second telescopic rod 33 controls the blockage cleaning ring 34 to slide downwards on the outer wall of the filter cylinder 4 at the same time, the unmelted particles and impurities blocked in the side filter holes 41 are cleaned, so that the unmelted particles and impurities are continuously compressed and gathered at the bottom, the filter press head 32 rises to the top end of the filter cylinder 4, feeding is performed again, and the above operation is repeated, so that efficient filter pressing can be performed; when the device is operated for a long time and the unmelted particles and impurities are gathered more at the bottom, the device is cooled and cleaned, the filtrate disc 5 is cleaned by rotating out of the base 2, and the device can be normally used after cleaning and installation.

[0041] The utility model discloses a filter head 32 is pressed to the melt in filter cartridge 4 through drive, and the melt filtrate is filtered fast through filter hole, greatly accelerates melt filtration speed, and simultaneously makes the unmelted particle and impurity be compressed and gathered in bottom continuously, and is convenient for subsequent cleaning, and through setting the unblocking ring 34 in filter cartridge 4 outer wall, control unblocking ring 34 slide up and down, the unmelted particle and impurity that block in side filter hole 41 are unblocked, avoid its side filter hole 41 block, influence filtration efficiency, and simultaneously because unblocking ring 34 position is lower than filter head 32, can first remove the unmelted particle and impurity from side filter hole 41 in the process of moving down, then promote its gathering in filter cartridge 4 bottom under the continuous compression of filter head 32, and it is convenient for subsequent cleaning, and then through detachably setting the filtrate tray 5 in filter cartridge 4 bottom, when the device runs for a long time, and the unmelted particle and impurity gather more in bottom, after cooling and cleaning, can quickly remove the filtrate tray 5 and clean, convenient and fast operation, improve the repair efficiency.

[0042] Finally, it is to be explained that the above embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and they should be covered in the claim range of the utility model.

Claims

1. A polyester chip melt filtration apparatus characterized by, Include: Filter cartridge (4), the filter cartridge (4) is fixedly arranged, a plurality of side filter holes (41) are uniformly arranged on the side wall of the filter cartridge (4), the filter cartridge (4) is provided with a feed inlet (43) near the top end, and a driving source is fixedly arranged on the top of the filter cartridge (4); The filtrate disc (5) is detachably arranged at the bottom of the filter cartridge (4), and a plurality of bottom filter holes (52) are arranged on the filtrate disc (5); The filter pressing mechanism includes a filter pressing head (32), the filter pressing head (32) is arranged in the filter cartridge (4) through the driving source, and the filter pressing head (32) is arranged away from the inner wall of the filter cartridge (4); The clearing mechanism is slidably arranged on the outer wall of the filter cartridge (4) through the driving source, and is used for clearing the side filter hole (41).

2. A polyester chip melt filter apparatus as defined in claim 1, characterized in that: The filter cartridge (4) is fixedly arranged in the filter tank (1), the filter tank (1) is provided with a feed pipe (11) on the tank wall, and the feed pipe (11) is communicated with the feed inlet (43).

3. A polyester chip melt filter apparatus as defined in claim 2, characterized in that: The clearing mechanism includes a clearing ring (34), the clearing ring (34) is arranged below the feed pipe (11) around the filter cartridge (4), and a plurality of bristles (341) are uniformly arranged on the inner wall of the clearing ring (34).

4. A polyester chip melt filter apparatus as defined in claim 3, characterized in that: The driving source is a hydraulic cylinder (3), the hydraulic cylinder (3) is fixedly arranged on the filter tank (1), the hydraulic cylinder (3) is provided with a first telescopic rod (31) which is telescopic downward, the first telescopic rod (31) is fixedly connected with the filter pressing head (32), and is used for driving the filter pressing head (32) to move up and down in the filter cartridge (4).

5. A polyester chip melt filter apparatus as defined in claim 4, characterized in that: The hydraulic cylinder (3) is also provided with a second telescopic rod (33) which is telescopic downward, the second telescopic rod (33) is fixedly connected with the clearing ring (34), and is used for driving the clearing ring (34) to move up and down along the outer wall of the filter cartridge (4).

6. A polyester chip melt filter apparatus as defined in claim 2, wherein: The bottom of the filter tank (1) is threadedly connected with a base (2), and the upper end of the base (2) is fixedly connected with the filtrate disc (5).

7. A polyester chip melt filter apparatus as defined in claim 6, characterized in that: The bottom of the base (2) is provided with a discharge pipe (21), and the discharge pipe (21) is provided with a stop valve (211).

8. A polyester chip melt filter apparatus as defined in claim 1, wherein: The filtrate disc (5) is provided with a limiting ring (51), and the bottom end of the filter cartridge (4) is provided with a sealing ring (42) around the filter cartridge (4), which is used for embedding the limiting ring (51) and sealingly fixing.

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