Automatic cleaning device for filter screen of backwashing pump of vacuum filter cloth machine

Abstract

The utility model discloses an automatic cleaning device for a filter screen of a backwashing pump of a vacuum filter cloth machine, which comprises a bearing frame, and a transmission case is fixed in the middle of the upper end of the bearing frame. The cleaning device has the advantages that by designing the cleaning mechanism composed of the motor, the gear, the gear ring, the extraction pipe and the brush and the extraction mechanism composed of the suction pump, the collection box, the collection net and the universal joint, when the filter net of the backflushing pump is cleaned, the motor drives the gear ring to rotate through the gear, the gear ring drives the extraction pipe to rotate, and the extraction pipe is driven to rotate through the universal joint. The extraction pipe drives the brush to rotate so as to clean impurities on the surface of the filter screen of the backflushing pump, at the moment, the universal joint can ensure that the extraction pipe has the extraction performance in the rotating process, and the cleaned impurities enter the collection box through the extraction pipe and the universal joint along with liquid under the action of the extraction pump and are collected by the collection screen; and the filter screen can be automatically cleaned, the cleaning effect is good, the cleaning efficiency is high, and the using effect of the device is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter screen cleaning, in particular to an automatic filter screen cleaning device for a backwashing pump of a vacuum filter cloth machine. Background Art

[0002] The backwash pump of the filter cloth machine is an immersed vertical multi-stage pump. A filter screen is installed outside the backwash pump of the filter cloth machine to isolate impurities and fibers in the water to prevent clogging of the pump body and damage to the pump blades.

[0003] The existing vacuum filter cloth machine backwash pump filter screen is immersed in the pump pit during cleaning, so it needs to be lifted up first and then manually cleaned. After cleaning, it needs to be flushed and hoisted into place again, which makes the cleaning process cumbersome, time-consuming and labor-intensive. Therefore, an automatic cleaning device for the vacuum filter cloth machine backwash pump filter screen is urgently needed to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The technical problem to be solved by the utility model is aimed at the current status of the existing technology, and now provides an automatic cleaning device for the filter screen of a vacuum filter cloth machine backwash pump, which can automatically clean the filter screen, has good cleaning effect and high cleaning efficiency, and saves time and effort.

[0006] (II) Technical solution

[0007] The utility model is achieved through the following technical scheme: the utility model proposes an automatic cleaning device for the filter screen of a backwash pump of a vacuum filter cloth machine, comprising a carrier frame, a transmission box is fixed to the middle part of the upper end of the carrier frame, a motor is fixed to one side of the upper end of the transmission box, a gear is connected to the output shaft of the motor, a gear is connected to one side of the gear with a gear ring, an extraction pipe is installed in the gear ring, a sleeve is provided at the bottom end of the extraction pipe, electric push rods are fixed at the four corners of the sleeve, a bracket is installed inside the bottom end of the extraction pipe, a brush is fixed to the bottom end of the bracket, the other end of the extraction pipe is connected to a universal joint, one end of the universal joint is connected to a collection box, a collection net is installed in the collection box, a pump is fixed to the top of the collection box, and a discharge pipe is connected to the output port of the pump.

[0008] Furthermore, the output shaft of the motor is fixedly connected to the gear, the gear is meshed with the ring gear, and the specification of the gear is smaller than that of the ring gear.

[0009] By adopting the above technical solution, the motor drives the gear ring to rotate through the gear.

[0010] Furthermore, the extraction tube is fixed in the gear ring, the extraction tube is a telescopic structure, and the extraction tube is rotatably connected to the sleeve.

[0011] By adopting the above technical solution, the gear ring drives the extraction tube to rotate.

[0012] Furthermore, the fixing portion of the electric push rod is fixedly connected to the supporting frame, and the output end of the electric push rod is connected to the sleeve via bolts.

[0013] By adopting the above technical solution, the electric push rod drives the sleeve to move up and down, so that it covers the filter screen of the recoil pump, and at the same time the extraction pipe expands and contracts accordingly.

[0014] Furthermore, the bracket is a cross-shaped structure, the bracket is welded inside the extraction tube, and the brush is fixed to the bracket by screws.

[0015] By adopting the above technical solution, the extraction pipe drives the brush to rotate to clean the impurities on the surface of the recoil pump filter.

[0016] Furthermore, the other end of the extraction tube is fixedly connected to the universal joint, one end of the universal joint is fixedly connected to the collection box, and the collection net is connected to the collection box via a slot.

[0017] By adopting the above technical solution, the universal joint can ensure that the extraction tube still has extraction performance during the rotation process, and the cleaned impurities follow the liquid through the extraction tube and the universal joint under the action of the pump into the collection box and are collected by the collection net.

[0018] Furthermore, the suction port of the pump is fixedly connected to the collecting box, and the discharge pipe is fixed to the discharge port of the pump by bolts.

[0019] By adopting the above technical solution, the extracted liquid is discharged through the discharge pipe.

[0020] (III) Beneficial effects

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In order to solve the problem that the filter screen of the existing vacuum filter cloth machine backwash pump is immersed in the pump pit during cleaning, it needs to be lifted up first and then manually cleaned. After cleaning, it needs to be flushed and hoisted into place again, which makes the cleaning process complicated, time-consuming and labor-intensive. The utility model designs a cleaning mechanism composed of a motor, a gear, a gear ring, an extraction pipe and a brush, and an extraction mechanism composed of a pump, a collection box, a collection net and a universal joint. When the filter screen of the recoil pump is cleaned, the motor drives the gear ring to rotate through the gear, the gear ring drives the extraction pipe to rotate, and the extraction pipe drives the brush to rotate to clean the impurities on the surface of the recoil pump filter screen. At this time, the universal joint can ensure that the extraction pipe still has extraction performance during the rotation process, and the cleaned impurities follow the liquid under the action of the pump through the extraction pipe and the universal joint into the collection box and are collected by the collection net, so that the filter screen can be automatically cleaned, which not only has good cleaning effect and high cleaning efficiency, but also effectively improves the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an automatic filter screen cleaning device of a backwashing pump of a vacuum filter cloth machine described in the utility model;

[0024] Figure 2 It is a main cross-sectional view of a sleeve and the bottom end of an extraction pipe in an automatic cleaning device for a backwashing pump filter screen of a vacuum filter cloth machine described in the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of a transmission box in an automatic filter screen cleaning device for a backwashing pump of a vacuum filter cloth machine described in the utility model;

[0026] Figure 4 It is a main sectional view of a collecting box in an automatic filter screen cleaning device of a backwashing pump of a vacuum filter cloth machine described in the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Sleeve; 2. Extraction tube; 3. Carrying frame; 4. Collection box; 5. Discharge pipe; 6. Pump; 7. Universal joint; 8. Transmission box; 9. Motor; 10. Electric push rod; 11. Bracket; 12. Brush; 13. Gear; 14. Gear ring; 15. Collection net. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] like Figure 1-Figure 4As shown, an automatic cleaning device for the filter screen of a backwash pump of a vacuum filter cloth machine in this embodiment includes a carrier frame 3, a transmission box 8 is fixed to the middle part of the upper end of the carrier frame 3, a motor 9 is fixed to one side of the upper end of the transmission box 8, a gear 13 is connected to the output shaft of the motor 9, a gear ring 14 is connected to one side of the gear 13, the motor 9 drives the gear ring 14 to rotate through the gear 13, an extraction pipe 2 is installed in the gear ring 14, the gear ring 14 drives the extraction pipe 2 to rotate, a sleeve 1 is provided at the bottom end of the extraction pipe 2, electric push rods 10 are fixed at the four corners of the sleeve 1, the electric push rod 10 drives the sleeve 1 to rise and fall, so that it covers the filter screen of the recoil pump, and at the same time the extraction pipe 2 is correspondingly extended and contracted, and the extraction A bracket 11 is installed inside the bottom end of the tube 2, and a brush 12 is fixed to the bottom end of the bracket 11. The extraction tube 2 drives the brush 12 to rotate to clean the impurities on the surface of the recoil pump filter. The other end of the extraction tube 2 is connected to a universal joint 7, and one end of the universal joint 7 is connected to a collecting box 4. A collecting net 15 is installed in the collecting box 4. The universal joint 7 can ensure that the extraction tube 2 still has extraction performance during the rotation process. The cleaned impurities follow the liquid and enter the collecting box 4 through the extraction tube 2 and the universal joint 7 under the action of the pump 6 and are collected by the collecting net 15. A pump 6 is fixed at the top of the collecting box 4, and a discharge pipe 5 is connected to the output port of the pump 6, and the extracted liquid is discharged through the discharge pipe 5.

[0031] like Figure 1-Figure 4 As shown, in this embodiment, the output shaft of the motor 9 is fixedly connected to the gear 13, the gear 13 is meshed with the gear ring 14, the specification of the gear 13 is smaller than the specification of the gear ring 14, the extraction tube 2 is fixed in the gear ring 14, the extraction tube 2 is a telescopic structure, the extraction tube 2 is rotatably connected to the sleeve 1, the fixed part of the electric push rod 10 is fixedly connected to the supporting frame 3, and the output end of the electric push rod 10 is connected to the sleeve 1 by bolts.

[0032] like Figure 1-Figure 4 As shown, in this embodiment, the bracket 11 is a cross-shaped structure, the bracket 11 is welded in the extraction tube 2, the brush 12 is fixed to the bracket 11 by screws, the other end of the extraction tube 2 is fixedly connected to the universal joint 7, one end of the universal joint 7 is fixedly connected to the collection box 4, the collection net 15 is connected to the collection box 4 through a slot, the suction port of the pump 6 is fixedly connected to the collection box 4, and the discharge pipe 5 is fixed to the discharge port of the pump 6 by bolts.

[0033] The specific implementation process of this embodiment is as follows: first, the device is installed and fixed and connected to an external power supply, and the electric push rod 10 is controlled to move. The electric push rod 10 drives the sleeve 1 to rise and fall, so that it covers the filter screen of the recoil pump. At the same time, the extraction tube 2 is correspondingly extended and retracted, so that the brush 12 contacts the filter screen of the recoil pump. Then the motor 9 drives the ring gear 14 to rotate through the gear 13, and the ring gear 14 drives the extraction tube 2 to rotate. The extraction tube 2 drives the brush 12 to rotate to clean the impurities on the surface of the recoil pump filter screen. At this time, the universal joint 7 can ensure that the extraction tube 2 still has the extraction performance during the rotation process, and the cleaned impurities follow the liquid through the extraction tube 2 and the universal joint 7 under the action of the pump 6. Enter the collection box 4 and be collected by the collection net 15, which can automatically clean the filter screen, which not only has a good cleaning effect and high cleaning efficiency, but also effectively improves the use effect of the device.

[0034] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic cleaning device for a vacuum filter cloth machine backwashing pump filter screen, characterized in that: The invention comprises a support frame (3), a transmission box (8) is fixed at the middle of the upper end of the support frame (3), a motor (9) is fixed at one side of the upper end of the transmission box (8), a gear (13) is connected to the output shaft of the motor (9), a gear (13) is connected to one side of the gear (13), an extraction pipe (2) is installed in the gear ring (14), a sleeve (1) is arranged at the bottom end of the extraction pipe (2), electric push rods (10) are fixed at the four corners of the sleeve (1), a bracket (11) is installed inside the bottom end of the extraction pipe (2), a brush (12) is fixed at the bottom end of the bracket (11), the other end of the extraction pipe (2) is connected to a universal joint (7), one end of the universal joint (7) is connected to a collection box (4), a collection net (15) is installed in the collection box (4), a pump (6) is fixed at the top end of the collection box (4), and a discharge pipe (5) is connected to the output port of the pump (6).

2. The automatic cleaning device for the filter screen of a vacuum filter cloth machine backwashing pump according to claim 1 is characterized by: The output shaft of the motor (9) is fixedly connected to the gear (13), the gear (13) is meshed with the ring gear (14), and the specification of the gear (13) is smaller than that of the ring gear (14).

3. The automatic cleaning device for the filter screen of a vacuum filter cloth machine backwashing pump according to claim 1 is characterized in that: The extraction tube (2) is fixed in the gear ring (14); the extraction tube (2) is a telescopic structure; the extraction tube (2) is rotatably connected to the sleeve (1).

4. The automatic cleaning device for the filter screen of a vacuum filter cloth machine backwashing pump according to claim 3 is characterized by: The fixing portion of the electric push rod (10) is fixedly connected to the bearing frame (3), and the output end of the electric push rod (10) is connected to the sleeve (1) via bolts.

5. The automatic cleaning device for the filter screen of a backwashing pump of a vacuum filter cloth machine according to claim 4 is characterized by: The bracket (11) is a cross-shaped structure; the bracket (11) is welded inside the extraction tube (2); and the brush (12) is fixed to the bracket (11) by means of screws.

6. The automatic cleaning device for the filter screen of a vacuum filter cloth machine backwashing pump according to claim 3 is characterized by: The other end of the extraction tube (2) is fixedly connected to the universal joint (7), one end of the universal joint (7) is fixedly connected to the collection box (4), and the collection net (15) is connected to the collection box (4) via a slot.

7. The automatic cleaning device for the filter screen of a backwashing pump of a vacuum filter cloth machine according to claim 6, characterized in that: The suction port of the pump (6) is fixedly connected to the collecting box (4), and the discharge pipe (5) is fixed to the discharge port of the pump (6) by means of bolts.

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