Cooling liquid circulating device for machine tool

Abstract

The utility model belongs to the technical field of machine tool equipment, and particularly relates to a cooling liquid circulating device for a machine tool, which comprises a cooling liquid filtering barrel, a cooling liquid circulating device and a cooling liquid circulating device, the two filter screen plates are distributed in the cooling liquid filter barrel at intervals up and down; the filter sponge is arranged between the two filter screen plates, the filter sponge comprises a first filter sponge and a second filter sponge, and a gap is formed between the first filter sponge and the second filter sponge; the extrusion plate is arranged in a gap between the first filtering sponge and the second filtering sponge; the greasy dirt filtering barrel is communicated with the cooling liquid filtering barrel and is used for separating and collecting greasy dirt contained in the cooling liquid; wherein the extrusion plate can reciprocate in the vertical direction so as to extrude the filtering sponge, and compared with the prior art, the circulating service life of cooling liquid can be effectively prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool equipment, and in particular relates to a cooling liquid circulation device for a machine tool. Background Art

[0002] During the process of machining workpieces, machine tools usually need to use coolant for cooling operations to prevent overheating, and recycling coolant is one of the necessary means to reduce production costs. For example, the patent with application number CN201921051459.9 discloses a CNC machine tool coolant tank that can circulate coolant, which belongs to the technical field of CNC machine tools and includes a storage box, a top cover, a pressure dividing cylinder, a delivery pump, a water suction pipe, a water outlet pipe, a separation cylinder, a mesh ring, a delivery pipe, a gasket, a baffle, a support rod and a spring. The top of the storage box is fixedly connected to the top cover by screws, the right side of the storage box is welded with a pressure dividing cylinder, the top of the top cover is fixedly connected to the delivery pump by screws, the bottom of the delivery pump is embedded with a water suction pipe, the left side of the delivery pump is embedded with a water outlet pipe, the bottom of the inner wall of the storage box is welded with a separation cylinder, the inner wall of the separation cylinder is welded with three mesh rings, and the middle of the mesh ring is nested and welded with a delivery pipe;

[0003] During use, this existing coolant circulation device has a poor filtering effect on fine particles contained in the coolant, resulting in the coolant being quickly contaminated by fine particles during continuous circulation. After use, the coolant will also be contaminated by oil on machine tools and processed parts, resulting in oil stains in the circulating coolant. At the same time, the concentration of the coolant will also change after long-term circulation. This existing coolant circulation device is also unable to effectively handle the above situation, resulting in a reduction in the cycle life of the coolant, so it is necessary to make improvements. Utility Model Content

[0004] The purpose of the utility model is to provide a coolant circulation device for a machine tool in order to effectively improve the cycle life of the coolant in view of the above-mentioned existing technical problems.

[0005] In view of this, the utility model provides a coolant circulation device for a machine tool, comprising:

[0006] A coolant filter barrel, wherein a sealing barrel cover is disposed on the top of the coolant filter barrel, and a coolant inlet is disposed on the sealing barrel cover;

[0007] Also includes:

[0008] A filter screen plate, wherein the filter screen plates have two pieces and are distributed in the coolant filter barrel at intervals up and down;

[0009] A filter sponge, wherein the filter sponge is arranged between two filter mesh plates, and the filter sponge comprises a first filter sponge and a second filter sponge, and a gap is provided between the first filter sponge and the second filter sponge;

[0010] A pressing plate, the pressing plate being disposed in a gap between the first filter sponge and the second filter sponge;

[0011] An oil filter barrel, the oil filter barrel being connected to the coolant filter barrel for separating and collecting the oil contained in the coolant;

[0012] Wherein, the squeezing plate can reciprocate in the vertical direction to squeeze the filter sponge.

[0013] In the present technical scheme, during the circulation process of the coolant, the used coolant is transported to the coolant filter barrel through the coolant inlet. After entering the filter barrel, the coolant flows downward and passes through the filter mesh plate and the filter sponge. The filter mesh plate can filter the large debris contained in the coolant, while the filter sponge can absorb the coolant and effectively filter and collect the fine particles in the coolant. At the same time, the extrusion plate reciprocates in the vertical direction to squeeze the filter sponge, so that the coolant absorbed by the filter sponge is squeezed out, and finally the coolant is collected at the bottom of the coolant filter barrel, and then the coolant enters the oil filter barrel, and the oil contained in the coolant is separated and collected in the oil filter barrel. Compared with the prior art, the utility model can effectively filter and collect the fine particles and oil contained in the circulating coolant, thereby effectively improving the cycle life of the coolant.

[0014] In the above technical solution, further, it also includes:

[0015] The concentrator adding mechanism is arranged on the coolant filter barrel, and the concentrator adding mechanism can add coolant concentrate to the bottom of the coolant filter barrel.

[0016] In the above technical solution, further, the concentrator adding mechanism also includes:

[0017] A casing, wherein the casing is arranged on the coolant filter barrel, a lifting thread is arranged on the inner wall of the casing, and a concentrator adding port is arranged on the top of the casing;

[0018] A lifting platform, the lifting platform is arranged in the housing, and a meshing thread matching the lifting thread is arranged on the circumferential surface of the lifting platform;

[0019] A foldable storage body, wherein the foldable storage body is arranged in the housing, a support platform is arranged at the bottom of the foldable storage body, and an output pipe communicating with the interior of the coolant filter barrel is arranged at the top of the foldable storage body;

[0020] A driving motor, wherein the driving motor is arranged at the bottom of the supporting platform;

[0021] The concentration sensor is arranged in the coolant filter barrel and located at the bottom of the coolant filter barrel.

[0022] Among them, the concentrate addition port is connected to the foldable storage body, the driving end of the drive motor is connected to the lifting platform and can drive the lifting platform to rotate, a first electric control valve is arranged in series on the output pipe, and the drive motor and the first electric control valve can operate according to the feedback of the concentration sensor.

[0023] In the above technical solution, further, the oil filter barrel also includes:

[0024] An oil collecting part, which is arranged in the oil filter barrel and located at the upper half of the oil filter barrel, and can collect oil on the surface of the coolant;

[0025] A coolant discharge port is provided at the bottom of the oil filter barrel, and a second electric control valve is provided on the coolant discharge port.

[0026] In the above technical solution, further, the oil pollution collection unit also includes:

[0027] A cover body, the cover body is in an inverted funnel shape, and an oil discharge port is arranged at the top of the cover body;

[0028] An oil storage chamber, the oil storage chamber is arranged on the top of the cover body, and the oil storage chamber is composed of a ring-shaped baffle plate surrounding the oil discharge port and the upper surface of the cover body;

[0029] An oil pump, wherein the oil pump is arranged on the top of the oil filter barrel, and the inlet end of the oil pump extends into the oil storage cavity through an oil pump pipe;

[0030] Wherein, an identification sensor is arranged in the oil discharge port, and the second electronically controlled valve can operate according to feedback from the identification sensor.

[0031] The beneficial effects of the utility model are:

[0032] 1. The setting of the filter sponge can effectively filter the fine particles in the circulating coolant, effectively improving the cycle life of the coolant. At the same time, the setting of the extrusion plate can improve the filtering efficiency of the coolant;

[0033] 2. The oil filter barrel can effectively filter the oil contained in the circulating coolant, thereby further improving the cycle life of the coolant;

[0034] 3. The concentration of the circulating coolant can be effectively adjusted through the concentrator adding mechanism, thereby further improving the cycle life of the coolant. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0036] Figure 1 It is a schematic structural diagram of a specific implementation method of the utility model.

[0037] Figure 2 It is a schematic diagram of the structure of the utility model in a top view.

[0038] Figure 3 This is a schematic diagram of the structure of the coolant filter barrel of the utility model.

[0039] Figure 4 This is a schematic diagram of the structure of the concentrator adding mechanism of the utility model.

[0040] Figure 5 This is a schematic diagram of the structure of the oil filter barrel of the utility model.

[0041] The symbols in the figure are:

[0042] 1. Coolant filter barrel; 100. Sealing barrel cover; 101. Coolant inlet; 2. Filter screen; 3. First filter sponge; 4. Second filter sponge; 5. Extrusion plate; 6. Oil filter barrel; 7. Concentrator adding mechanism; 70. Casing; 71. Concentrator adding port; 72. Lifting platform; 73. Folding storage body; 74. Support platform; 75. Output pipe; 76. Drive motor; 77. Concentration sensor; 78. First electric control valve; 8. Oil collection part; 80. Cover; 81. Oil discharge port; 82. Oil storage chamber; 83. Oil pump; 9. Coolant discharge port; 10. Second electric control valve; 11. Identification sensor. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0045] Embodiment 1:

[0046] The embodiment of the present application provides a coolant circulation device for a machine tool, comprising: a coolant filter barrel 1, a sealing barrel cover 100 is provided on the top of the coolant filter barrel 1, and a coolant inlet 101 is provided on the sealing barrel cover 100;

[0047] It also includes: a filter screen plate 2, which has two filter screen plates 2 and is spaced apart from each other in the coolant filter barrel 1; a filter sponge, which is arranged between the two filter screen plates 2, and the filter sponge includes a first filter sponge 3 and a second filter sponge 4, and there is a gap between the first filter sponge 3 and the second filter sponge 4; a squeeze plate 5, which is arranged in the gap between the first filter sponge 3 and the second filter sponge 4; an oil filter barrel 6, which is connected to the coolant filter barrel 1 for separating and collecting the oil contained in the coolant;

[0048] The squeezing plate 5 can reciprocate in the vertical direction to squeeze the filter sponge.

[0049] Moreover, the extrusion plate 5 can be driven by a conventional reciprocating drive structure, such as reciprocating drive by a lifting cylinder, or reciprocating drive by a drive motor 76, a cam and a connecting rod.

[0050] In this embodiment, during the circulation of the coolant, the used coolant is transported to the coolant filter barrel 1 through the coolant inlet 101. After entering the filter barrel, the coolant flows downward and passes through the filter mesh plate 2 and the filter sponge. The filter mesh plate 2 can filter large debris contained in the coolant, and the filter sponge can absorb the coolant and effectively filter and collect fine particles in the coolant. At the same time, the squeezing plate 5 moves back and forth in the vertical direction to squeeze the filter sponge, so that the coolant absorbed by the filter sponge is squeezed out, and finally the coolant is collected at the bottom of the coolant filter barrel 1, and then the coolant enters the oil filter barrel 6, and the oil contained in the coolant is separated and collected in the oil filter barrel 6. Compared with the prior art, the utility model can effectively filter and collect fine particles and oil contained in the circulating coolant, thereby effectively improving the cycle life of the coolant.

[0051] Embodiment 2:

[0052] This embodiment provides a coolant circulation device for a machine tool. In addition to the technical solutions of the above embodiments, it also has the following technical features, including: a concentrator adding mechanism 7, which is arranged on the coolant filter barrel 1, and the concentrator adding mechanism 7 can add coolant concentrator to the bottom of the coolant filter barrel 1.

[0053] The concentrate adding mechanism 7 also includes: a casing 70, which is arranged on the coolant filter barrel 1, a lifting thread is arranged on the inner wall of the casing 70, and a concentrate adding port 71 is arranged on the top of the casing 70; a lifting platform 72, which is arranged in the casing 70, and a meshing thread that cooperates with the lifting thread is arranged on the circumferential surface of the lifting platform 72; a folding storage body 73, which is arranged in the casing 70, a support platform 74 is arranged at the bottom of the folding storage body 73, and an output pipe 75 connected to the inside of the coolant filter barrel 1 is arranged at the top of the folding storage body 73; a driving motor 76, which is arranged at the bottom of the support platform 74; a concentration sensor 77, which is arranged in the coolant filter barrel 1 and is located at the bottom of the coolant filter barrel 1.

[0054] Among them, the concentrate addition port 71 is connected to the folding storage body 73, the driving end of the driving motor 76 is connected to the lifting platform 72 and can drive the lifting platform 72 to rotate, and a first electrically controlled valve 78 is arranged in series on the output pipe 75. The driving motor 76 and the first electrically controlled valve 78 can operate according to the feedback of the concentration sensor 77.

[0055] Furthermore, the driving motor 76, the first electrically controlled valve 78 and the concentration sensor 77 can all be electrically connected to an existing control unit of the machine tool and controlled by the control unit of the machine tool.

[0056] In this embodiment, as the coolant is circulated, when the concentration sensor 77 senses that the concentration of the circulating coolant is reduced, a feedback signal is sent, and the first electrically controlled valve 78 is opened according to the feedback signal. At the same time, the drive motor 76 is started according to the feedback signal. The lifting platform 72 rotates under the drive of the drive motor 76 and rises while rotating under the action of the thread. As the lifting platform 72 moves up, the support platform 74 squeezes the folding storage body 73, causing the folding storage body 73 to shrink and squeeze out the coolant concentrate. After being squeezed out, the coolant concentrate is mixed with the coolant to adjust the concentration of the coolant. Compared with the prior art, the utility model can effectively adjust the concentration of the circulating coolant, improve the cycle life of the coolant, and at the same time, the concentration adjustment effect is accurate.

[0057] Embodiment 3:

[0058] The present embodiment provides a coolant circulation device for a machine tool. In addition to the technical solutions of the above-mentioned embodiments, it also has the following technical features. The oil filter barrel 6 also includes: an oil collection part 8, which is arranged in the oil filter barrel 6 and located in the upper half of the oil filter barrel 6. The oil collection part 8 can collect oil on the surface of the coolant; a coolant discharge port 9, which is arranged at the bottom of the oil filter barrel 6, and a second electric control valve 10 is arranged on the coolant discharge port 9.

[0059] The oil collection part 8 also includes: a cover body 80, which is in an inverted funnel shape, and an oil discharge port 81 is arranged at the top of the cover body 80; an oil storage chamber 82, which is arranged at the top of the cover body 80, and the oil storage chamber 82 is composed of a circle of annular baffles surrounding the oil discharge port 81 and the upper surface of the cover body 80; an oil pump 83, which is arranged at the top of the oil filter barrel 6, and the inlet end of the oil pump 83 extends to the oil storage chamber 82 through an oil suction pipe;

[0060] The oil discharge port 81 is provided with an identification sensor 11 , and the second electronically controlled valve 10 can operate according to feedback from the identification sensor 11 .

[0061] Moreover, the second electric control valve 10, the oil pump 83 and the identification sensor 11 can be electrically connected to the existing control unit of the machine tool and controlled by the control unit of the machine tool. A delivery pump can also be connected in series between the oil filter barrel 6 and the coolant filter barrel 1. The identification sensor 11 can be a conventional liquid type identification sensor 11.

[0062] In the present embodiment, the circulating coolant enters the oil filter barrel 6 and then gradually accumulates in the oil filter barrel 6. During the coolant accumulation process, the oil contained in the coolant gradually floats on the surface of the coolant due to the density difference. As the coolant level continues to rise, the oil on the surface of the coolant comes to the bottom of the cover 80 and is continuously squeezed by the cover 80. Finally, the oil on the surface of the coolant comes to the oil drain port 81 and enters the oil storage chamber 82 through the oil drain port 81. When the identification sensor 11 senses that the liquid at the oil drain port 81 is coolant, the second electric control valve 10 opens according to the feedback of the identification sensor 11 to discharge the circulating coolant. The oil in the oil storage chamber 82 can be collected and discharged by the oil pump 83. Compared with the prior art, the utility model can effectively filter the oil contained in the circulating coolant, thereby further improving the cycle life of the coolant.

[0063] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A coolant circulation device for a machine tool, comprising: A coolant filter barrel (1), wherein a sealing barrel cover (100) is provided on the top of the coolant filter barrel (1), and a coolant inlet (101) is provided on the sealing barrel cover (100); It is characterized by further comprising: A filter screen plate (2), wherein the filter screen plates (2) have two pieces and are distributed in the coolant filter barrel (1) at intervals in the upper and lower parts; A filter sponge, the filter sponge being arranged between two filter screen plates (2), the filter sponge comprising a first filter sponge (3) and a second filter sponge (4), and a gap being provided between the first filter sponge (3) and the second filter sponge (4); A squeezing plate (5), wherein the squeezing plate (5) is arranged in a gap between the first filter sponge (3) and the second filter sponge (4); An oil filter barrel (6), the oil filter barrel (6) being connected to the coolant filter barrel (1) and used for separating and collecting the oil contained in the coolant; The squeezing plate (5) can move back and forth in the vertical direction to squeeze the filter sponge.

2. A coolant circulation device for a machine tool according to claim 1, characterized in that: Also includes: A concentrator adding mechanism (7) is provided on the coolant filter barrel (1), and the concentrator adding mechanism (7) can add coolant concentrator to the bottom of the coolant filter barrel (1).

3. A coolant circulation device for a machine tool according to claim 2, characterized in that: The concentrate adding mechanism (7) further comprises: A casing (70), wherein the casing (70) is arranged on the coolant filter barrel (1), a lifting thread is arranged on the inner wall of the casing (70), and a concentrate adding port (71) is arranged on the top of the casing (70); A lifting platform (72), the lifting platform (72) being arranged in the housing (70), and a meshing thread that cooperates with the lifting thread being arranged on a peripheral surface of the lifting platform (72); A foldable storage body (73), the foldable storage body (73) being arranged in the housing (70), a support platform (74) being arranged at the bottom of the foldable storage body (73), and an output pipe (75) being arranged at the top of the foldable storage body (73) and being in communication with the interior of the coolant filter barrel (1); A driving motor (76), wherein the driving motor (76) is arranged at the bottom of the supporting platform (74); A concentration sensor (77), wherein the concentration sensor (77) is arranged in the coolant filter barrel (1) and is located at the bottom of the coolant filter barrel (1); The concentrate adding port (71) is connected to the folding storage body (73), the driving end of the driving motor (76) is connected to the lifting platform (72) and can drive the lifting platform (72) to rotate, and a first electric control valve (78) is arranged in series on the output pipe (75), and the driving motor (76) and the first electric control valve (78) can operate according to the feedback of the concentration sensor (77).

4. A coolant circulation device for a machine tool according to claim 3, characterized in that: The oil filter barrel (6) further comprises: An oil collecting portion (8), the oil collecting portion (8) being arranged in the oil filtering barrel (6) and located at the upper half of the oil filtering barrel (6), and the oil collecting portion (8) being capable of collecting oil on the surface of the coolant; A coolant discharge port (9) is provided at the bottom of the oil filter barrel (6), and a second electric control valve (10) is provided on the coolant discharge port (9).

5. A coolant circulation device for a machine tool according to claim 4, characterized in that: The oil pollution collection part (8) also includes: A cover body (80), wherein the cover body (80) is in an inverted funnel shape, and an oil discharge port (81) is provided at the top of the cover body (80); An oil storage chamber (82), the oil storage chamber (82) being arranged at the top of the cover body (80), the oil storage chamber (82) being composed of an annular baffle plate surrounding the oil discharge port (81) and the upper surface of the cover body (80); An oil pump (83), the oil pump (83) being arranged on the top of the oil filter barrel (6), and the inlet end of the oil pump (83) extending into the oil storage chamber (82) through an oil pump pipe; Wherein, an identification sensor (11) is arranged in the oil discharge port (81), and the second electric control valve (10) can operate according to the feedback of the identification sensor (11).

Images