Filtering device and chip cleaner

Abstract

The utility model relates to a filtering device and a chip cleaner. The filtering device comprises a filtering flat frame, a filtering net arranged on the filtering flat frame in a surrounding manner, a back-flushing pipe arranged in the filtering flat frame, and a driving unit for driving the filtering net to rotate along the filtering flat frame, the filter screen is in sliding fit with the filter flat frame; dirty liquid flows in from the front side of the filter screen, and clean liquid filtered by the filter screen flows out from the filter flat frame; and water sprayed out of the back-flushing pipe is back-flushed to the back surface of the filter screen, so that chippings on the front surface of the filter screen can be flushed away. The filtering device is of a flat structure and can be suitable for narrow spaces of some machine tools, the filtering device is provided with the back-flushing pipe to flush the filtering device, and therefore the problem that a cleaning brush is prone to being blocked by chippings is solved.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, and in particular, designs a filtering device for filtering cutting fluid. Background Art

[0002] During the machining process, it is usually necessary to filter the cutting fluid to meet actual production needs. The most common filtering devices often adopt cylindrical or tubular structures, such as scraper rollers, composite rollers and other types of roller devices. These roller filter devices are large in size and difficult to install in the narrow space of some machine tools. In order to install the filter device in a small space, various slot frames are usually used for filtering. However, as the use time increases, the slots are often blocked, causing overflow and unstable flow. In order to solve these problems, cleaning brushes are usually installed on the chain plate or scraper to remove surface debris. However, in actual use, the brushes are easily blocked by debris and lose their cleaning effect. Therefore, the brushes need to be replaced regularly, increasing the maintenance cost of the equipment. Utility Model Content

[0003] Based on this, it is necessary to provide a filtering device in order to address the problem that the drum filtering device in the prior art cannot be used in the narrow space of some machine tools and the brush in the slit frame filtering device is easily clogged by debris. The filtering device adopts a flat structure and can be suitable for the narrow space of some machine tools. The filtering device is also provided with a backwash pipe to flush the filtering device, thereby solving the problem that the cleaning brush is easily clogged by debris.

[0004] A filtering device comprises a filtering flat frame, a filter screen arranged around the filtering flat frame, a recoil pipe arranged in the filtering flat frame, and a driving unit for driving the filter screen to rotate along the filtering flat frame; the filter screen is slidably matched with the filtering flat frame; dirty liquid flows in from the front side of the filter screen, and clean liquid filtered by the filter screen flows out from the filtering flat frame; water sprayed from the recoil pipe recoils to the back side of the filter screen to wash away debris on the front side of the filter screen.

[0005] Furthermore, chains are respectively arranged around both sides of the filtering flat frame, and each of the chains is drivingly connected to the driving unit; the inner side of each of the chains is fixedly connected to both sides of the filter screen.

[0006] Furthermore, the filter screen is made of flexible woven material.

[0007] Furthermore, flexible fillers are respectively arranged on both sides of the filter flat frame, and the back side of the filter screen is in contact with the flexible fillers.

[0008] Furthermore, a plurality of nozzles are evenly arranged on the recoil pipe, and a joint is arranged at one end of the recoil pipe, and is connected to a water pipe through the joint.

[0009] Furthermore, adjustment seats are respectively provided at both ends of the recoil pipe, and the recoil angle of the nozzle is adjusted by the adjustment seats.

[0010] Furthermore, the flexible woven material includes plastic or fiber fabric.

[0011] Furthermore, the flexible filler is a corrosion-resistant flexible material.

[0012] Further, the corrosion-resistant material includes rubber, polyimide or polyvinyl alcohol;

[0013] A chip conveyor adopts the filtering device as described above.

[0014] The utility model provides a filter device, which adopts a flat filter device to meet the filtering needs of some narrow spaces of machine tools. The filter device includes a filter flat frame, a filter screen and a recoil pipe. The filter screen can rotate along the filter flat frame under the drive of a chain. The recoil pipe is fixed in the internal space of the filter flat frame. When the filter screen rotates, the recoil pipe can continuously spray water to the back of the filter screen, and the debris adhering to the front of the filter screen is washed away by the recoil force of the water. In addition, the edge of the filter screen and the filter flat frame are sealed by a flexible filler to prevent debris from entering the filter flat frame from the edge of the filter screen. In the utility model, the brush in the prior art is replaced by a recoil pipe, and the efficiency of removing debris on the surface of the filter screen is significantly improved, further improving the filtering efficiency of the filter device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a filtering device of the utility model;

[0016] Figure 2 This is a front view of a filtering device of the utility model;

[0017] Figure 3 This is a cross-sectional view of a filter device of the utility model;

[0018] Figure 4 for Figure 1 Enlarged view of part I;

[0019] Figure 5 It is a schematic diagram of a recoil pipe of a filter device of the utility model.

[0020] Reference numerals

[0021] 100, filter flat frame, 200, filter screen, 300, recoil pipe, 400, drive unit, 110, chain, 120, flexible filler, 130, horizontal section, 140, arc section, 150, groove, 111, pin, 141, support seat, 142, seat bearing, 210, hole, 310, nozzle, 320, joint, 330, adjustment seat, 410, transmission shaft, 420, sprocket, 430, drive motor. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0023] It should be noted that when an element is referred to as being "disposed on" another element, it may be directly on the other element or there may be a centered element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a centered element at the same time. The terms "vertical", "horizontal", "left", "right", "top", "bottom", "bottom end", "top end" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] In one embodiment, a filtering device of the utility model includes a filter flat frame, a filter screen arranged around the filter flat frame, a backwash pipe arranged in the filter flat frame, and a driving unit driving the filter screen to rotate along the filter flat frame; the filter screen and the filter flat frame are slidably matched; dirty liquid flows in from the front of the filter screen, and clean liquid filtered by the filter screen flows out from the filter flat frame; water sprayed from the backwash pipe rebounds to the back of the filter screen to wash away debris on the front of the filter screen.

[0026] The utility model provides a filtering device, which provides a flat filtering frame, along which the filter screen can rotate, and a recoil pipe is fixed in the inner space of the flat filtering frame. When the filter screen rotates, the recoil pipe can continuously spray water to the back of the filter screen, and debris adhering to the front of the filter screen can be washed away by the recoil force of the water. This flat filtering device can meet the filtering needs of some narrow spaces of machine tools.

[0027] The filter device is described below in conjunction with specific embodiments to further understand the utility model concept of the filter device.

[0028] In one embodiment, if Figure 1-2 As shown, a filtering device comprises: a filtering flat frame 100, a filter screen 200 arranged around the filtering flat frame 100, a backwash pipe 300 arranged in the filtering flat frame 100, and a driving unit 400 for driving the filter screen 200 to rotate along the filtering flat frame 100; the filtering flat frame 100 comprises a middle horizontal section 130 and arc sections 140 at both ends of the horizontal section 130, the filter screen 200 covers the horizontal section 130 and the arc section 140 of the filtering flat frame 100, and the backwash pipe 300 is arranged At a position of the filter flat frame 100 close to the arc segment 140 on one side, the injection surface of the backwash pipe 200 faces the back of the filter; the filter 200 and the filter flat frame 100 are slidably matched, that is, the filter 200 can rotate along the filter under the drive of the drive unit 400; during operation, dirty liquid flows in from the front of the filter 200, and the clean liquid filtered by the filter 200 flows out from the filter flat frame 100, and the impact force generated by the water sprayed from the backwash pipe 300 to the back of the filter can wash away the debris on the front of the filter.

[0029] Compared with the prior art, the utility model adopts a flat filtering device to meet the filtering needs in narrow space conditions. In addition, the utility model adopts a recoil pipe 200 to replace the debris cleaning brush in the prior art. The water sprayed by the recoil pipe 200 can wash away the debris adhering to the front of the filter screen, thereby improving the filtering efficiency of the filtering device.

[0030] Chains 110 are respectively arranged around the two sides of the filter flat frame 100, and the chains 110 are respectively connected to the drive unit 400 for transmission, and the inner sides of the chains 110 are respectively fixedly connected to the two sides of the filter screen 200. Under the drive of the drive unit 400, the chain 110 drives the filter screen 200 to rotate along the filter flat frame 100. Specifically, support seats 141 are respectively fixed on both sides of a circular arc segment 140 of the filter flat frame 100, and the seat bearing 142 is installed on the support seat 141. The two ends of the transmission shaft 410 are respectively installed on the seat bearing 141. The middle part of the transmission shaft 410 is equipped with two sprockets 420, and the two sprockets 420 are respectively engaged with the chain 110. The transmission shaft 410 rotates under the action of the drive motor 430, and the rotation of the sprocket 420 drives the chain 110 to rotate, thereby pulling the filter screen 200 to rotate synchronously through the chain 110.

[0031] In another embodiment, the filter screen 200 is made of a flexible woven material, such as plastic or fiber fabric, etc.; flexible fillers 120 are respectively arranged on both sides of the filter flat frame 100, and the back side of the filter screen is in contact with the flexible fillers 120, and the flexible fillers are corrosion-resistant materials, such as rubber, polyimide, polyvinyl alcohol, etc. Specifically, grooves 150 are respectively opened on both sides of the filter flat frame 100, and the flexible fillers 120 are matched in the grooves. A plurality of equally spaced holes 210 are respectively provided on the two sides of the filter screen 200. Correspondingly, a side panel attachment is provided on the inner side of the chain 110. A pin 111 cooperating with the hole 210 is provided on the side panel attachment. The processed filter screen 200 is laid on the outer periphery of the filter flat frame 100 to form a complete closed space. One side of the filter screen 200 is in contact with the flexible filler 120 to ensure that the side of the filter screen 200 will not leak. The pin 111 on the side panel attachment of the chain 110 passes through the hole 210 to fix the filter screen 200 on the inner side of the chain 110. In order to ensure the service life of the hole 210, reinforcement measures are adopted around the hole 210, such as gluing, inlaid metal buckles and other reinforcement measures.

[0032] A plurality of nozzles 310 are evenly arranged on the backwash pipe 300, and a joint 320 is arranged at one end of the backwash pipe 200, and is connected to the water pipe through the joint 320. Adjustment seats 330 are also arranged at both ends of the backwash pipe 300, and the backwash angle of the nozzle 310 is adjusted through the adjustment seat 330. In addition, the spray water flow of the nozzle 310 can cover the entire width of the filter screen 200, thereby achieving full coverage of the inner surface of the filter screen 200.

[0033] When the filter device of the utility model is working, when the drive motor 430 drives the transmission shaft 410 to rotate, the sprocket 420 will drive the chain 110 to move, and the chain 110 will pull the filter screen 200 to circulate along the outer periphery of the filter flat frame 100; after the dirty liquid falling on the front of the filter screen 200 is filtered by the filter screen 200, the clean liquid will flow out from the inner frame of the filter flat frame 100, and as the filter screen 200 circulates, the backwash pipe 300 in the filter flat frame 100 will continue to spray high-pressure water to the back of the filter screen 200, and the pressure of the backwash water will act on the front of the filter screen to wash away the debris adhering to the front of the filter screen, so as to complete the continuous and cyclic backwashing of the surface of the filter screen 200 as the size of the filter screen 200 rotates, thereby preventing the filter screen 200 from being blocked by debris and improving the filtering efficiency of the filter device.

[0034] In another embodiment, a chip conveyor adopts a filtering device as described above.

[0035] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A filtering device, characterized in that: The filtering device comprises: a filtering flat frame (100), a filter screen (200) arranged around the filtering flat frame (100), a backwash pipe (300) arranged in the filtering flat frame (100), and a driving unit (400) for driving the filter screen (200) to rotate along the filtering flat frame (100); the filter screen (200) and the filtering flat frame (100) are slidably matched; dirty liquid flows in from the front side of the filter screen (200), and clean liquid filtered by the filter screen (200) flows out from the filtering flat frame (100); water sprayed from the backwash pipe (300) backwashes to the back side of the filter screen (200) to wash away debris on the front side of the filter screen (200).

2. A filtering device according to claim 1, characterized in that: Chains (110) are respectively arranged around the two sides of the filtering flat frame (100), and each of the chains (110) is respectively connected to the driving unit (400) in a transmission manner; and the inner side of each of the chains (110) is respectively fixedly connected to the two sides of the filter screen (200).

3. A filtering device according to claim 2, characterized in that: The filter screen (200) is made of flexible woven material.

4. A filtering device according to claim 3, characterized in that: Flexible fillers (120) are respectively arranged on both sides of the filtering flat frame (100), and the back surface of the filter screen (200) is in contact with the flexible fillers (120).

5. A filtering device according to claim 1, characterized in that: A plurality of nozzles (310) are evenly arranged on the recoil pipe (300), and a joint (320) is arranged at one end of the recoil pipe (300), and is connected to a water pipe via the joint (320).

6. A filtering device according to claim 5, characterized in that: Adjustment seats (330) are respectively provided at both ends of the recoil pipe (300), and the recoil angle of the nozzle (310) is adjusted through the adjustment seats (330).

7. A filtering device according to claim 3, characterized in that: The flexible woven material comprises plastic or fiber fabric.

8. A filtering device according to claim 4, characterized in that: The flexible filler is made of corrosion-resistant flexible material.

9. A filtering device according to claim 8, characterized in that: The corrosion-resistant flexible material includes rubber, polyimide and polyvinyl alcohol.

10. A chip conveyor, characterized in that: The chip conveyor adopts the filtering device as described in any one of claims 1-9.

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