Cooling liquid chip removal circulating device of machine tool

Abstract

The utility model discloses a cooling liquid scrap removal circulating device of a machine tool, which relates to the technical field of machine tool machining and comprises spiral conveyors arranged on two sides of the machine tool and used for conveying scrap iron and cooling liquid, a mixing and collecting box connected with the spiral conveyors, and a scrap removal machine connected with a discharge hole of the mixing and collecting box, the cooling liquid box is located below the mixing and collecting box, the purging nozzles are used for removing scrap on the side edges and the bottom of the machine tool and connected with the cooling liquid box through a first pumping mechanism, and high-pressure cooling liquid is conveyed to the purging nozzles to be sprayed out to purge scrap iron on the side edges and the bottom of the machine tool; scrap iron is conveyed to the mixing and collecting box through the spiral conveyor, scrap iron in the mixing and collecting box is discharged through the scrap discharging machine, cooling liquid enters the cooling liquid box to be recycled, the scrap iron generated in the machining process of the machine tool is blown and removed in time, organic combination of recycling and scrap removing of the cooling liquid is achieved, and the utilization rate of production and machining of the machine tool is increased.

Description

Technical Field

[0001] This application relates to the technical field of machine tool processing, and particularly to a coolant chip removal and recycling device for a machine tool. Background Art

[0002] During the machining process of a machine tool, the use of coolant plays an important role in reducing tool wear and improving machining quality. When the tool cuts the workpiece, a large amount of iron chips are generated. Some iron chips are mixed with the cutting fluid, and some remain on the sides and bottom of the machine tool, increasing the difficulty of subsequent processing. Currently, the common treatment method is to stop the machine and clean it regularly by hand, but this method is inefficient and easily reduces the utilization rate of the machine tool. Therefore, how to effectively achieve the recycling of coolant and the automatic recovery of iron chips has become an urgent problem for those skilled in the art. Summary of the Utility Model

[0003] In order to help solve the technical problems of the recycling of coolant and the automatic recovery of iron chips, this application provides a coolant chip removal and recycling device for a machine tool, and adopts the following technical solutions:

[0004] A coolant chip removal and recycling device for a machine tool includes screw conveyors arranged on both sides of the machine tool for transporting iron chips and coolant, a mixing and collecting box connected to the screw conveyors, a chip discharger connected to the discharge port of the mixing and collecting box, a coolant tank located below the mixing and collecting box, and further includes a plurality of purge nozzles for removing chips from the sides and bottom of the machine tool, and the purge nozzles are connected to the coolant tank through a first pumping mechanism.

[0005] By adopting the above technical solutions, the coolant in the coolant tank is converted into high-pressure coolant through the first pumping mechanism and transported to the purge nozzles for spraying, so as to purge the iron chips on the sides and bottom of the machine tool. The iron chips are transported to the mixing and collecting box through the screw conveyors on both sides of the machine tool, and the iron chips in the mixing and collecting box are discharged through the chip discharger. The coolant enters the coolant tank for recycling, so as to timely blow and remove the iron chips generated during the machining process of the machine tool, realizing the organic combination of the recycling of coolant and chip removal, and helping to improve the utilization rate of the machine tool in production and processing.

[0006] Optionally, the mixing and collecting box includes a collecting box body. Two feeding ports connected to the screw conveyors are provided on both sides of the collecting box body. A deflector for guiding the flow to the middle of the collecting box body is provided below the two feeding ports. The outlet of the deflector is connected to the chip discharger, and the chip discharger is vertically arranged with the mixing and collecting box.

[0007] By adopting the above technical scheme, the mixture of iron chips and coolant is transported to the mixing collection box through the screw conveyor, the iron chips enter the chip conveyor through the guide plate, the chip conveyor discharges the iron chips, and the coolant enters the coolant tank for recycling, thereby improving the efficiency of iron chip removal and coolant separation.

[0008] Optionally, the coolant tank includes a main tank body, a first sub-tank body and a second sub-tank body, the first sub-tank body and the second sub-tank body are respectively connected to two ends of the main tank body, and the first sub-tank body and the second sub-tank body are arranged on both sides of the chip conveyor.

[0009] By adopting the above technical scheme, the coolant tank stores and processes the coolant through the main box body, the first sub-box body and the second sub-box body, thereby improving the processing efficiency. The first sub-box body and the second sub-box body are respectively connected to the two ends of the main box body and are arranged on both sides of the chip conveyor to achieve rational use of space and reduce the occupied space.

[0010] Optionally, the first pumping mechanism is installed on the first sub-tank, and the first pumping mechanism includes a first delivery pump and a first drive motor, the first drive motor is transmission-connected to the first delivery pump, and the outlet of the first delivery pump is connected to the purge nozzle.

[0011] By adopting the above technical solution, the first drive motor is connected to the first delivery pump to provide power for the coolant. The coolant is converted into high-pressure coolant by the first delivery pump. The high-pressure coolant is sprayed out from the purge nozzle through the pipeline to blow the iron chips on the side and bottom of the machine tool to the feed port of the screw conveyor for chip removal and transportation.

[0012] Optionally, it also includes a second pumping mechanism installed on the first sub-tank body, the second pumping mechanism includes a second delivery pump, a second drive motor and a processing cooling nozzle, the second drive motor is installed on the outside of the first sub-tank body, the suction port of the second delivery pump is located inside the first sub-tank body, the second drive motor is transmission-connected to the second delivery pump, and the outlet of the second delivery pump is connected to the processing cooling nozzle.

[0013] By adopting the above technical solution, when the machine tool is processing, the second pumping mechanism also starts to work, which draws coolant from the first sub-box and sprays it into the processing area of ​​the machine tool to reduce the temperature during the processing, thereby reducing tool wear and improving processing accuracy.

[0014] Optionally, it also includes a coolant circulation mechanism installed on the first sub-tank, the coolant circulation mechanism includes a circulation pump, a circulation motor, a first filter and an oil-water separator, the first filter and the oil-water separator are connected to the circulation pump in sequence, and the circulation motor is transmission-connected to the circulation pump.

[0015] By adopting the above technical solution, the first filter and the oil-water separator are sequentially connected to the circulation pump, the circulation motor is drivingly connected to the circulation pump, and the circulation pump is driven by the circulation motor to circulate and filter the coolant in the coolant tank and separate oil and water, which helps to improve the cleanliness of the coolant and the usage effect of the coolant.

[0016] Optionally, a first liquid level sensor for sensing the liquid level of the coolant is further provided on the first sub-case, and the first liquid level sensor is interlocked with the first driving motor and the second driving motor.

[0017] By adopting the above technical solution, when the liquid level of the coolant is lower than the lowest liquid level, the first liquid level sensor sends an induction signal to cause the control system to control the first driving motor or the second driving motor to stop working, which helps to improve the safety of the recycled use of the coolant.

[0018] Optionally, a third pumping mechanism for cooling the tool holder of the machine tool is further included. The third pumping mechanism is installed on the second sub-case. The third pumping mechanism includes a filtering component and a pumping component. The coolant in the second sub-case is filtered by the filtering component and is conveyed by the pumping component to the cooling cavity of the tool holder of the machine tool spindle to cool the tool.

[0019] By adopting the above technical solution, the third pumping mechanism filters the coolant through the filtering component, increases the output pressure of the coolant through the pumping component, and enables the coolant to smoothly enter the cooling cavity of the tool holder of the machine tool spindle to cool the tool, which helps to improve the cooling effect on the tool and the reliability of the tool usage.

[0020] Optionally, the filtering component includes a filtering box, a filtering pump, a second filter, and a filtering motor. The filtering box is installed on the second sub-case. The filtering motor is drivingly connected to the filtering pump and is installed on the second sub-case. The outlet of the filtering pump is connected to the second filter, and the second filter is installed in the filtering box.

[0021] By adopting the above technical solution, the coolant is filtered through the second filter, which helps to improve the purity of the coolant, reduce the content of iron filings, and prevent impurities such as iron filings from entering the cooling cavity of the tool holder of the machine tool spindle and blocking the cooling channel.

[0022] Optionally, the pumping component includes a pumping box, a screw pump, a third driving motor, and a second liquid level sensor. The third driving motor is drivingly connected to the screw pump. The second liquid level sensor is arranged on the pumping box, and the second liquid level sensor is interlocked with the screw pump. The outlet of the screw pump is connected to the cooling cavity of the tool holder of the machine tool spindle.

[0023] By adopting the above technical solution, the second liquid level sensor controls the lowest liquid level, which helps to improve the working safety of the pumping assembly. The screw pump is driven by the third drive motor to output high-pressure coolant, improving the cooling effect on the spindle tool.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The combined design of the hybrid collection box and the cleaning nozzle realizes the effective separation of the coolant and the iron filings and the recycling of the coolant, improving the utilization rate of the machine tool production and processing and reducing the usage cost of the coolant.

[0026] 2. By adopting the filtering and oil-water separation technologies, the purity of the coolant is improved, the service life of the coolant is extended, and at the same time, the difficulty and cost of separating and treating the coolant and the iron filings are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 FIG. is a schematic structural diagram of a coolant chip removal and recycling device for a machine tool disclosed in the present application.

[0028] Figure 2 FIG. is a schematic structural diagram of the coolant chip removal and recycling device for a machine tool disclosed in the present application after removing the screw conveyor.

[0029] Figure 3 FIG. is a front view of the coolant chip removal and recycling device for a machine tool disclosed in the present application after removing the screw conveyor.

[0030] Figure 4 FIG. is a top view of the coolant chip removal and recycling device for a machine tool disclosed in the present application after removing the screw conveyor.

[0031] DESCRIPTION OF THE REFERENCE NUMERALS:

[0032] 1. Screw conveyor; 2. Hybrid collection box; 21. Collection box body; 211. Feed inlet; 22. Deflector; 3. Chip discharger; 4. Coolant tank; 41. Main box body; 42. First sub-box body; 421. First liquid level sensor; 43. Second sub-box body; 5. Blowing nozzle; 6. First pumping mechanism; 61. First transfer pump; 62. First drive motor; 7. Second pumping mechanism; 71. Second transfer pump; 72. Second drive motor; 73. Processing cooling nozzle; 8. Coolant circulation mechanism; 81. Circulation pump; 82. Circulation motor; 83. First filter; 84. Oil-water separator; 9. Third pumping mechanism; 91. Filtering assembly; 911. Filter box; 912. Filter pump; 913. Second filter; 914. Filter motor; 92. Pumping assembly; 921. Pumping box body; 922. Screw pump; 923. Third drive motor; 924. Second liquid level sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] The following is a further detailed description of the present application in conjunction with Figures 1 to 4 this application.

[0034] The embodiment of the present application discloses a coolant chip removal and recycling device for a machine tool.

[0035] A coolant chip removal and recycling device for a machine tool. Refer to Figure 1 and Figure 2 , including two screw conveyors 1, a mixing and collection box 2, a chip conveyor 3 and a coolant tank 4. The two screw conveyors 1 are arranged on both sides of the machine tool. The feeding ports of the screw conveyors 1 are connected to the outlets of the receiving trays on both sides of the machine tool. Chips and coolant enter the screw conveyors 1 through the outlets of the receiving trays. The discharging ports of the screw conveyors 1 are connected to the feeding port 211 of the mixing and collection box 2. The outlet of the mixing and collection box 2 is connected to the chip conveyor 3. The coolant tank 4 is located below the mixing and collection box 2. A first pumping mechanism 6 is installed on the coolant tank 4. It further includes several purging nozzles 5 for removing chips from the sides and bottom of the machine tool. The purging nozzles 5 are connected to the coolant tank 4 through the first pumping mechanism 6. The coolant in the coolant tank 4 is converted into high-pressure coolant by the first pumping mechanism 6 and transported to the purging nozzles 5 for spraying to purge the chips on the sides and bottom of the machine tool. The chips are transported to the mixing and collection box 2 through the screw conveyors 1 on both sides of the machine tool. The chips in the mixing and collection box 2 are discharged through the chip conveyor 3, and the coolant enters the coolant tank 4 for recycling. The chips generated during the machining process of the machine tool are timely purged and removed, realizing the organic combination of coolant recycling and chip removal, which helps to improve the utilization rate of machine tool production and processing.

[0036] Refer to Figure 2 and Figure 3 , the mixing and collection box 2 includes a rectangular collection box body 21. The long side of the rectangle is horizontally arranged. One long side vertically arranged on one side of the collection box body 21 has a feeding port 211. Two feeding ports 211 connected to the screw conveyors 1 are arranged on both sides of the collection box body 21. A deflector 22 for guiding the flow to the middle of the collection box body 21 is provided below the two feeding ports 211. The outlet of the deflector 22 is connected to the chip conveyor 3. The chip conveyor 3 is vertically arranged with the mixing and collection box 2. The mixture of chips and coolant is transported to the mixing and collection box 2 through the screw conveyors 1. The chips enter the chip conveyor 3 through the deflector 22. The chip conveyor 3 discharges the chips, and the coolant enters the coolant tank 4 for recycling, improving the chip removal and coolant separation efficiency.

[0037] Refer to Figure 2 and Figure 4The coolant tank 4 includes a main tank body 41, a first sub-tank body 42 and a second sub-tank body 43. The first sub-tank body 42 and the second sub-tank body 43 are respectively connected to the two ends of the main tank body 41, and the first sub-tank body 42 and the second sub-tank body 43 are arranged on both sides of the chip conveyor 3. The coolant tank 4 stores and processes coolant through the main tank body 41, the first sub-tank body 42 and the second sub-tank body 43, thereby improving the processing efficiency. The first sub-tank body 42 and the second sub-tank body 43 are respectively connected to the two ends of the main tank body 41, and are arranged on both sides of the chip conveyor 3 to achieve rational use of space and reduce the occupied space.

[0038] Reference Figure 2 The first pumping mechanism 6 is installed on the first sub-box 42. The first pumping mechanism 6 includes a first delivery pump 61 and a first drive motor 62. The first drive motor 62 is connected to the first delivery pump 61 in a transmission connection. The outlet of the first delivery pump 61 is connected to the purge nozzle 5. The first drive motor 62 is connected to the first delivery pump 61 in a transmission connection to provide power for the coolant. The coolant is converted into high-pressure coolant through the first delivery pump 61. The high-pressure coolant is sprayed out from the purge nozzle 5 through a pipeline to blow the iron chips on the side and bottom of the machine tool to the feed port of the screw conveyor 1 for chip removal and transportation.

[0039] Reference Figure 2 The coolant chip removal circulation device also includes a second pumping mechanism 7 installed on the first sub-box body 42. The second pumping mechanism 7 includes a second delivery pump 71, a second drive motor 72 and a processing cooling nozzle 73. The second drive motor 72 is installed on the outside of the first sub-box body 42. The suction port of the second delivery pump 71 is located in the first sub-box body 42. The second drive motor 72 is transmission-connected to the second delivery pump 71. The outlet of the second delivery pump 71 is connected to the processing cooling nozzle 73. When the machine tool is processing, the second pumping mechanism 7 also starts to work. It draws coolant from the first sub-box body 42 and sprays it into the processing area of ​​the machine tool to reduce the temperature during the processing, thereby reducing tool wear and improving processing accuracy.

[0040] Reference Figure 2 The coolant chip removal circulation device also includes a coolant circulation mechanism 8, which is installed on the first sub-box body 42. The coolant circulation mechanism 8 includes a circulation pump 81, a circulation motor 82, a first filter 83 and an oil-water separator 84. The first filter 83 and the oil-water separator 84 are connected to the circulation pump 81 in sequence, and the circulation motor 82 is connected to the circulation pump 81 by transmission. The first filter 83 and the oil-water separator 84 are connected to the circulation pump 81 in sequence, and the circulation motor 82 is connected to the circulation pump 81 by transmission. The circulation pump 81 is driven by the circulation motor 82 to work, and the coolant in the coolant tank 4 is circulated, filtered and separated from the oil and water, which helps to improve the cleanliness of the coolant and the use effect of the coolant.

[0041] ReferenceFigure 2 A first liquid level sensor 421 is also provided on the first sub-tank 42. The first liquid level sensor 421 is used to sense the coolant level. The first liquid level sensor 421 is interlocked with the first drive motor 62 and the second drive motor 72. When the coolant level is lower than the minimum level, the first liquid level sensor 421 sends a sensing signal to enable the control system to control the first drive motor 62 or the second drive motor 72 to stop working, which helps to improve the safety of the coolant circulation.

[0042] Reference Figure 2 and Figure 4 The third pumping mechanism 9 of the coolant chip removal circulation device is used to provide high-pressure coolant for cooling the machine tool tool holder. The third pumping mechanism 9 is installed on the second sub-box 43. The third pumping mechanism 9 includes a filter assembly 91 and a pumping assembly 92. The coolant in the second sub-box 43 is filtered by the filter assembly 91 and transported to the machine tool spindle tool holder cooling chamber through the pumping assembly 92 to cool the tool. The third pumping mechanism 9 filters the coolant through the filter assembly 91, and increases the output pressure of the coolant through the pumping assembly 92, so that the coolant can smoothly enter the machine tool spindle tool holder cooling chamber to cool the tool, which helps to improve the cooling effect of the tool and the reliability of the tool use.

[0043] Reference Figure 2 and Figure 4 The filter assembly 91 includes a filter box 911, a filter pump 912, a second filter 913 and a filter motor 914. The filter box 911 is installed on the second sub-box body 43. The filter motor 914 is connected to the filter pump 912 and installed on the second sub-box body 43. The outlet of the filter pump 912 is connected to the second filter 913. The second filter 913 is installed in the filter box 911. The coolant is filtered through the second filter 913, which helps to improve the purity of the coolant, reduce the content of iron chips, and prevent impurities such as iron chips from entering the cooling cavity of the spindle tool holder of the machine tool to block the cooling channel.

[0044] Reference Figure 2 and Figure 4 The pumping assembly 92 includes a pumping box 921, a screw pump 922, a third drive motor 923 and a second liquid level sensor 924. The third drive motor 923 is connected to the screw pump 922 in a transmission manner. The second liquid level sensor 924 is arranged on the pumping box 921. The second liquid level sensor 924 is interlocked with the screw pump 922. The outlet of the screw pump 922 is connected to the cooling chamber of the spindle tool holder of the machine tool. The second liquid level sensor 924 controls the minimum liquid level, which helps to improve the safety of the operation of the pumping assembly 92. The screw pump 922 is driven by the third drive motor 923 to output high-pressure coolant, thereby improving the cooling effect on the spindle tool.

[0045] The working principle of a coolant chip removal circulation device for a machine tool is as follows: Before machining a workpiece, the circulation motor 82 is started to drive the circulation pump 81 to filter and separate oil and water from the coolant in the coolant tank 4, improving the cleanliness of the coolant. After the circulation motor 82 works for a certain period of time, the first drive motor 62, the second drive motor 72, and the third drive motor 923 are successively started. The coolant enters the cooling cavity of the machine tool spindle tool holder and starts to cool the tool. The machining cooling nozzle 73 starts to spray coolant to cool the machining area of the tool on the workpiece. The purge nozzle 5 starts to spray coolant. The screw conveyor 1 and the chip conveyor 3 are started to work. Finally, the machine tool spindle starts to rotate to cut the workpiece with the tool. The iron chips on the side and bottom of the machine tool enter the screw conveyor 1 under the spray of the purge nozzle 5, pass through the mixing and collection box 2, and are discharged from the chip conveyor 3. The coolant is recycled through the main housing 41, the first sub-housing 42, and the second sub-housing 43. When the coolant is insufficient, the first liquid level sensor 421 gives an alarm, and new coolant is added from the pump suction port of the circulation pump 81.

[0046] The above are all the preferred embodiments of the present application, and do not limit the protection scope of the present application in sequence. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A coolant chip removal circulation device for a machine tool, characterized in that: The invention comprises a screw conveyor (1) arranged on both sides of a machine tool for conveying iron chips and coolant, a mixing and collecting box (2) connected to the screw conveyor (1), a chip conveyor (3) connected to the discharge port of the mixing and collecting box (2), a coolant tank (4) located below the mixing and collecting box (2), and a plurality of purge nozzles (5) for removing chips from the side and bottom of the machine tool, wherein the purge nozzles (5) are connected to the coolant tank (4) via a first pumping mechanism (6).

2. The coolant chip removal circulation device for a machine tool according to claim 1, characterized in that: The mixing and collecting box (2) comprises a collecting box body (21), two feeding ports (211) connected to the screw conveyor (1) are provided on both sides of the collecting box body (21), a guide plate (22) for guiding flow toward the middle of the collecting box body (21) is provided below the two feeding ports (211), the outlet of the guide plate (22) is connected to the chip conveyor (3), and the chip conveyor (3) and the mixing and collecting box (2) are arranged vertically.

3. The coolant chip removal circulation device for a machine tool according to claim 2, characterized in that: The coolant tank (4) comprises a main tank body (41), a first sub-tank body (42) and a second sub-tank body (43); the first sub-tank body (42) and the second sub-tank body (43) are respectively connected to two ends of the main tank body (41); the first sub-tank body (42) and the second sub-tank body (43) are arranged on both sides of the chip conveyor (3).

4. The coolant chip removal circulation device for a machine tool according to claim 3, characterized in that: The first pumping mechanism (6) is installed on the first auxiliary box (42), and the first pumping mechanism (6) comprises a first delivery pump (61) and a first drive motor (62). The first drive motor (62) is transmission-connected to the first delivery pump (61), and the outlet of the first delivery pump (61) is connected to the purge nozzle (5).

5. The coolant chip removal circulation device for a machine tool according to claim 4, characterized in that: It also includes a second pumping mechanism (7) installed on the first sub-tank (42), the second pumping mechanism (7) includes a second delivery pump (71), a second drive motor (72) and a processing cooling nozzle (73), the second drive motor (72) is installed outside the first sub-tank (42), the liquid suction port of the second delivery pump (71) is located inside the first sub-tank (42), the second drive motor (72) is transmission-connected to the second delivery pump (71), and the outlet of the second delivery pump (71) is connected to the processing cooling nozzle (73).

6. The coolant chip removal circulation device for a machine tool according to claim 3, characterized in that: The invention also includes a coolant circulation mechanism (8) installed on the first auxiliary box (42), wherein the coolant circulation mechanism (8) includes a circulation pump (81), a circulation motor (82), a first filter (83) and an oil-water separator (84), wherein the first filter (83) and the oil-water separator (84) are connected to the circulation pump (81) in sequence, and the circulation motor (82) is transmission-connected to the circulation pump (81).

7. The coolant chip removal circulation device for a machine tool according to claim 5, characterized in that: The first auxiliary box (42) is also provided with a first liquid level sensor (421) for sensing the liquid level of the coolant, and the first liquid level sensor (421) is interlocked with the first drive motor (62) and the second drive motor (72).

8. The coolant chip removal circulation device for a machine tool according to claim 6, characterized in that: The invention also comprises a third pumping mechanism (9) for cooling a machine tool tool holder, wherein the third pumping mechanism (9) is mounted on the second auxiliary housing (43), and the third pumping mechanism (9) comprises a filter assembly (91) and a pumping assembly (92). The coolant in the second auxiliary housing (43) is filtered by the filter assembly (91) and transported to the cooling chamber of the machine tool spindle tool holder through the pumping assembly (92) to cool the tool.

9. The coolant chip removal circulation device for a machine tool according to claim 8, characterized in that: The filter assembly (91) comprises a filter box (911), a filter pump (912), a second filter (913) and a filter motor (914); the filter box (911) is mounted on the second sub-box body (43); the filter motor (914) is transmission-connected to the filter pump (912) and mounted on the second sub-box body (43); the outlet of the filter pump (912) is connected to the second filter (913); and the second filter (913) is mounted in the filter box (911).

10. The coolant chip removal circulation device for a machine tool according to claim 9, characterized in that: The pumping assembly (92) comprises a pumping box (921), a screw pump (922), a third drive motor (923) and a second liquid level sensor (924); the third drive motor (923) is transmission-connected to the screw pump (922); the second liquid level sensor (924) is arranged on the pumping box (921); the second liquid level sensor (924) is interlocked with the screw pump (922); and the outlet of the screw pump (922) is connected to a cooling chamber of a spindle tool holder of a machine tool.

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