Negative pressure filter for cutting fluid

Abstract

The utility model discloses a cutting fluid negative pressure filter which comprises a filter membrane transfer mechanism, a negative pressure filter mechanism and a filter storage box, the filter membrane transfer mechanism comprises a box body and an air pump arranged in the box body; an air pump is arranged in the box body, a base for fixing the air pump is arranged at the bottom of the air pump, a sliding block sliding on the base is arranged at the bottom of the air pump, a sliding groove for the sliding block to move is formed in the base, and the base is fixedly connected to the bottom of the box body. According to the cutting fluid negative pressure filter, the air pump is integrally arranged in the filter membrane transfer mechanism, so that the occupied area of the cutting fluid negative pressure filter is reduced, and the air pump can be conveniently mounted and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of negative pressure filtering, in particular to a cutting fluid negative pressure filter. Background Art

[0002] Vacuum filter is a kind of equipment that uses vacuum negative pressure as the driving force to achieve solid-liquid separation. Under the action of vacuum negative pressure (0.04-0.07MPa), the liquid in the suspension is pumped away through the filter medium (filter cloth), while the solid particles are retained by the medium, thus achieving the separation of liquid and solid.

[0003] At present, there is a negative pressure filter for cutting fluid filtration, which can operate continuously and automatically, can effectively filter, wash, dehydrate, and keep the operation site clean. However, it uses an air pump as the driving force for vacuum negative pressure to achieve solid-liquid separation, and will be installed on one side of the cutting fluid negative pressure filter, increasing the floor space; if it is installed in the negative pressure filter, it will often cause inconvenience during maintenance or installation. Utility Model Content

[0004] The present application provides a negative pressure filter for cutting fluid, in which an air pump is integrated into a filter membrane transfer mechanism, which not only reduces the floor space occupied by the negative pressure filter for cutting fluid, but also facilitates the installation and maintenance of the air pump.

[0005] The present application provides a negative pressure filter for cutting fluid, comprising a filter membrane transfer mechanism, a negative pressure filter mechanism and a filter storage box; the filter membrane transfer mechanism comprises a box body and an air pump arranged in the box body; a base for fixing the air pump is arranged at the bottom of the air pump, a slider for sliding on the base is arranged at the bottom of the air pump, a slide groove for moving the slider is arranged on the base, and the base is fixedly connected to the bottom of the box body.

[0006] By adopting the above technical solution, the air pump is installed in the box of the filter membrane transfer mechanism to reduce the footprint of the integrated cutting fluid negative pressure filter; and the sliding installation of the air pump on the base facilitates the installation and maintenance of the air pump set in the box.

[0007] Optionally, the air pump includes a pump head assembly, a transmission assembly and a motor assembly. A mounting plate is provided at the bottom of the air pump. The mounting plate is divided into two parts and are respectively fixed to the bottom of the pump head assembly and the motor assembly. The outer shell of the transmission assembly is integrally connected to the motor assembly, and the outer shell on the other side of the transmission assembly is detachably connected to the pump head assembly.

[0008] By adopting the above technical solution and the separate air pump installation method, the air pump can be easily installed; since the weight of the equipment is too large, through separate assembly, one person can also complete the assembly and maintenance of the air pump in the box.

[0009] Optionally, a sliding wheel is provided at the bottom of each mounting plate, and a track for the sliding wheel to slide is provided on the bottom of the base located at the slide groove.

[0010] Optionally, movable members are evenly arranged on both sides of the mounting plate, and sliding grooves for displacement of the movable members are provided on both side walls of the base located on the sliding groove.

[0011] By adopting the above technical solution, sliding wheels are provided at the bottom of the mounting plate to facilitate the sliding installation of the air pump, and moving parts are provided on both sides of the mounting plate to reduce the friction on both sides during the sliding process of the air pump, thereby further improving the installation efficiency of the air pump.

[0012] Optionally, a fixing plate for limiting the mounting plate is disposed at one end of the base, and a locking piece for fixing the mounting plate is disposed at the other end of the base.

[0013] By adopting the above technical solution, the installation stability of the installation plate on the base is improved.

[0014] Optionally, the pump head assembly is provided with an air outlet duct and an air inlet duct of arbitrarily adjustable length.

[0015] Optionally, the air inlet duct includes a first duct integrally connected to the pump head assembly and a second duct threadedly connected to the first duct; the air outlet duct includes a third duct integrally connected to the pump head assembly and a fourth duct threadedly connected to the third duct; the first duct and the third duct are both connected to the air outlet and the air inlet in the filter membrane transfer mechanism.

[0016] By adopting the above technical solution, the telescopic pipe connection can facilitate the installation of the air pump; at the same time, through the threaded telescopic connection between the second pipe and the first pipe, or through the threaded telescopic connection between the third pipe and the fourth pipe, the stability and sealing of the connection between the two can be improved.

[0017] Optionally, a cover for closing the box is provided on one side of the box.

[0018] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0019] 1. This application adopts the method of installing the air pump in the box of the filter membrane transfer mechanism to reduce the floor space occupied by the integrated cutting fluid negative pressure filter.

[0020] 2. The present application facilitates the installation and maintenance of the air pump in the box by sliding the air pump on the base.

[0021] 3. This application adopts a separate air pump installation method, which can facilitate the installation of the air pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 This is a schematic diagram of the overall structure of the negative pressure filter for cutting fluid in the embodiment of the present application;

[0024] Figure 2 This is a side view of the explosion structure of the air pump in the embodiment of the present application;

[0025] Figure 3 It is a schematic diagram of the explosion structure of the air pump in the embodiment of the present application.

[0026] Explanation of the reference numerals: 1. membrane transport mechanism; 2. negative pressure filtration mechanism; 21. housing; 22. air pump; 221. pump head assembly; 2211. first pipeline; 2212. second pipeline; 2213. third pipeline; 2214. fourth pipeline; 222. transmission assembly; 223. motor assembly; 23. cover; 24. mounting plate; 241. sliding wheel; 242. moving part; 25. base; 251. track; 252. sliding groove; 253. fixing plate; 254. locking part; 3. filter storage box. DETAILED DESCRIPTION

[0027] The present application provides a negative pressure filter for cutting fluid, in which an air pump is integrated into a filter membrane transfer mechanism, which not only reduces the floor space occupied by the negative pressure filter for cutting fluid, but also facilitates the installation and maintenance of the air pump.

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product, or server that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or modules that are not clearly listed or inherent to these processes, methods, products, or devices.

[0030] Reference Figure 1 A cutting fluid negative pressure filter of this embodiment includes a filter membrane transport mechanism 1, a negative pressure filter mechanism 2 and a filter storage box 3. The filter membrane in the filter membrane transport mechanism 1 passes through the negative pressure filter mechanism 2, and the filter membrane therein is replaced. The filter storage box 3 includes a dirty liquid storage box and a filtrate storage box. Among them, the dirty liquid storage box is located above the negative pressure filter mechanism 2, and the filter storage box 3 is located below the negative pressure filter mechanism 2. The dirty liquid in the cutting fluid negative pressure filter is first stored in the dirty liquid storage box, filtered by the pump in the negative pressure filter mechanism 2, and the obtained filtrate is collected in the filter storage box 3.

[0031] Reference Figure 2 , the negative pressure filtering mechanism 2 includes a box body 21 and an air pump 22 arranged in the box body 21. A cover 23 for closing the box body 21 is provided on one side of the box body 21. Among them, the air pump 22 includes a pump head assembly 221, a transmission assembly 222 and a motor assembly 223. And a mounting plate 24 is provided at the bottom of the air pump 22, and the mounting plate 24 is divided into two pieces and fixed at the bottom of the pump head assembly 221 and the motor assembly 223 respectively, the housing of the transmission assembly 222 is integrally connected with the motor assembly 223, and the housing on the other side of the transmission assembly 222 is detachably connected with the pump head assembly 221. The method of installing the separate air pump 22 is adopted in the embodiment of the present application, which can facilitate the installation of the air pump 22; due to the excessive weight of the equipment, through the separate assembly, one person can also complete the assembly and maintenance of the air pump 22 in the box body 21.

[0032] In addition, a base 25 for fixing the air pump 22 is provided at the bottom of the air pump 22, a slider sliding on the base 25 is provided at the bottom of the air pump 22, a slide groove for the slider to move is provided on the base 25, and the base 25 is fixedly connected to the bottom of the box 21. The air pump 22 is installed in the box 21 of the filter membrane transport mechanism 1 to reduce the floor space occupied by the integrated cutting fluid negative pressure filter; and the sliding installation of the air pump 22 on the base 25 facilitates the installation and maintenance of the air pump 22 set in the box 21.

[0033] Specifically, the bottom of each mounting plate 24 is provided with multiple groups of sliding wheels 241, and the base 25 is located at the bottom of the slide groove and has a track 251 for the sliding wheels 241 to slide and roll. The sliding wheels 241 are provided at the bottom of the mounting plate 24 to facilitate the sliding installation of the air pump 22. In addition, multiple groups of moving parts 242 are evenly provided on both sides of the mounting plate 24, and the base 25 is located on the two side walls of the slide groove and has a sliding groove 252 for the displacement of the moving parts 242. Among them, the moving parts 242 can be balls, pulleys, etc. arranged on both sides of the mounting plate 24. By arranging the moving parts 242 on both sides of the mounting plate 24, it is convenient to reduce the friction on both sides during the sliding process of the air pump 22, and further improve the installation efficiency of the air pump 22.

[0034] Reference Figure 3 , the pump head assembly 221 is provided with an air outlet duct and an air inlet duct of arbitrary length. Specifically, the air inlet duct includes a first duct 2211 integrally connected to the pump head assembly 221 and a second duct 2212 threadedly connected to the first duct 2211. The outer wall of the second duct 2212 is always in a sealed connection with the inner wall of the first duct 2211. In addition, a connector is provided on the side of the second duct 2212 away from the first duct 2211, wherein the connector is provided with connection holes such as threaded holes for connection with the air outlet or air inlet in the filter membrane transport mechanism 1; further, the air outlet duct includes a third duct 2213 integrally connected to the pump head assembly 221 and a fourth duct 2214 threadedly connected to the third duct 2213, wherein the connection method of the third duct 2213 and the fourth duct 2214 is consistent with the connection method of the first duct 2211 and the second duct 2212. The telescopic duct connection adopted in the present application can facilitate the installation of the air pump 22 and improve the stability and sealing of the connection between the two.

[0035] Reference Figure 3 A fixing plate 253 for limiting the position of the mounting plate 24 is integrally provided at one end of the base 25, and a locking member 254 for fixing the mounting plate 24 is provided at the other end of the base 25. The locking member 254 is arranged in a groove of the fixing plate 253. When the mounting plate 24 needs to be fixed, the locking member 254 is lifted relative to the fixing plate 253 by the action of the elastic member, thereby locking the mounting plate 24 and improving the installation stability of the mounting plate 24 on the base 25.

[0036] It should be noted that the above-mentioned sequence of the embodiments of the present application is only for description and does not represent the advantages and disadvantages of the embodiments. And the above-mentioned specific embodiments of this specification are described. Other embodiments are within the scope of the attached claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0037] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

[0038] This specification and drawings are merely exemplary illustrations of the present application and are deemed to cover any and all modifications, variations, combinations or equivalents within the scope of the present application. Obviously, a person skilled in the art may make various modifications and variations to the present application without departing from the scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application and its equivalents, the present application intends to include these modifications and variations.

Claims

1. A cutting fluid negative pressure filter, characterized in that: The invention comprises a filter membrane transport mechanism (1), a negative pressure filter mechanism (2) and a filter storage box (3); the filter membrane transport mechanism (1) comprises a box body (21) and an air pump (22) arranged in the box body (21); a base (25) for fixing the air pump (22) is arranged at the bottom of the air pump (22); a slider for sliding on the base (25) is arranged at the bottom of the air pump (22); a slide groove for moving the slider is arranged on the base (25); and the base (25) is fixedly connected to the bottom of the box body (21).

2. The cutting fluid negative pressure filter according to claim 1, characterized in that: The air pump (22) comprises a pump head assembly (221), a transmission assembly (222) and a motor assembly (223); a mounting plate (24) is provided at the bottom of the air pump (22); the mounting plate (24) is divided into two parts and is respectively fixed to the bottom of the pump head assembly (221) and the bottom of the motor assembly (223); the housing of the transmission assembly (222) is integrally connected to the motor assembly (223); and the housing on the other side of the transmission assembly (222) is detachably connected to the pump head assembly (221).

3. The cutting fluid negative pressure filter according to claim 2, characterized in that: The bottom of each mounting plate (24) is provided with a sliding wheel (241), and the base (25) is located at the bottom of the slide groove and is provided with a track (251) for the sliding wheel (241) to slide.

4. The cutting fluid negative pressure filter according to claim 3, characterized in that: Moving parts (242) are evenly arranged on both sides of the mounting plate (24), and sliding grooves (252) for the moving parts (242) to move are provided on the two side walls of the base (25) located on the sliding groove.

5. The cutting fluid negative pressure filter according to claim 4, characterized in that: A fixing plate (253) for limiting the position of the mounting plate (24) is provided at one end of the base (25), and a locking piece (254) for fixing the mounting plate (24) is provided at the other end of the base (25).

6. The cutting fluid negative pressure filter according to claim 2, characterized in that: The pump head assembly (221) is provided with an air outlet duct and an air inlet duct of arbitrarily retractable length.

7. The cutting fluid negative pressure filter according to claim 6, characterized in that: The air inlet duct comprises a first duct (2211) integrally connected to the pump head assembly (221) and a second duct (2212) threadedly connected to the first duct (2211); the air outlet duct comprises a third duct (2213) integrally connected to the pump head assembly (221) and a fourth duct (2214) threadedly connected to the third duct (2213); the first duct (2211) and the third duct (2213) are both connected to the air outlet and the air inlet in the filter membrane transport mechanism (1).

8. The cutting fluid negative pressure filter according to claim 1, characterized in that: A cover (23) for closing the box body (21) is provided on one side of the box body (21).

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