Machine tool coolant treatment device

Abstract

The application discloses a machine tool cooling liquid treatment device, and relates to the technical field of machine tool processing.The device comprises a first liquid storage tank, a first circulating pump, a filter paper conveying mechanism, a paper loading mechanism, a residue discharging mechanism and a standing backflow mechanism; one end of the first liquid storage tank is provided with the first circulating pump; the liquid inlet of the first circulating pump is communicated with the first liquid storage tank; the liquid outlet of the first circulating pump is connected with a machine tool liquid storage tank; the upper portion of the first liquid storage tank is provided with the filter paper conveying mechanism; the starting end of the filter paper conveying mechanism is provided with the paper loading mechanism; the upper portion of the filter paper conveying mechanism is provided with the residue discharging mechanism; the lower portion of the residue discharging mechanism is provided with the standing backflow mechanism; the device can pretreat the cooling liquid before filter paper filtration, reduce the larger metal scrap impurities in the cooling liquid, avoid the damage of the filter paper, make the pretreated metal scrap stand, store part of the cooling liquid contained in the metal scrap back to the filter paper for secondary filtration, and reduce the loss of the cooling liquid.

Description

Technical Field

[0001] This invention relates to the field of machine tool processing technology, and more specifically to a machine tool coolant treatment device. Background Technology

[0002] Machine tools are machines used to manufacture machinery and are often referred to as "industrial mother machines" or "working mother machines," playing a central role in modern manufacturing. They process metals or other materials through cutting, grinding, drilling, milling, and other methods to achieve the desired geometric shape, dimensional accuracy, and surface quality. Widely used in the automotive, aerospace, shipbuilding, electronic information equipment, and mold manufacturing industries, they are fundamental equipment supporting the manufacturing of high-end equipment.

[0003] Machine tool coolant is a critical industrial liquid used for cooling, lubrication, cleaning, and rust prevention during metal cutting, grinding, and other machining processes. It effectively improves machining accuracy, extends tool life, and ensures operational safety. During cutting and grinding, the interaction between the tool and the workpiece generates metal chips, which then mix into the coolant. These chips form suspended particles in the coolant, and when they are re-ejected, they may scratch the machined surface, leading to an increase in the Ra value (deteriorated surface roughness), which particularly affects the surface finish of high-precision grinding machines.

[0004] Traditional filtration methods use filter paper to filter machine tool coolant, effectively meeting the stringent cleanliness requirements of high-precision machining. This is particularly effective in preventing workpiece surface scratches, extending tool life, and ensuring stable system operation. This filtration method is highly versatile, supports various liquid handling applications, meets filtration accuracy requirements, and is cost-effective.

[0005] This filtering method currently has the following main problems:

[0006] Because the cost is affected by the filter paper, which is a disposable consumable, frequent replacements are necessary, especially under high pollution loads. Secondly, once the filter paper is soaked in coolant, the bonding between the fibers weakens, and the material's tensile strength is insufficient, making it highly susceptible to impurities in the coolant, leading to filter paper damage and affecting filtration efficiency. However, if the coolant is pretreated, some coolant will be carried away and discharged, increasing coolant consumption. Summary of the Invention

[0007] To address the shortcomings of existing technologies, this invention provides a machine tool coolant treatment device. This device pre-treats the coolant before filtration with filter paper, reducing larger metal shavings and impurities in the coolant and preventing filter paper damage. Simultaneously, the pre-treated metal shavings are allowed to settle, and a portion of the coolant contained in the metal shavings is stored and returned to the filter paper for secondary filtration, thereby reducing coolant loss.

[0008] To achieve the above objectives, the present invention provides the following technical solution:

[0009] A machine tool coolant treatment device includes a first storage tank, a first circulating pump, a filter paper conveying mechanism, a paper loading mechanism, a slag removal mechanism, and a settling and reflux mechanism. The first circulating pump is mounted at one end of the first storage tank. The inlet of the first circulating pump is connected to the first storage tank. The outlet of the first circulating pump is connected to the machine tool coolant storage tank. The filter paper conveying mechanism is mounted above the first storage tank. The paper loading mechanism is located at the starting end of the filter paper conveying mechanism. The slag removal mechanism is mounted above the filter paper conveying mechanism. The slag removal mechanism is perpendicular to the filter paper conveying direction. The settling and reflux mechanism is located below the slag removal mechanism, and the settling and reflux mechanism pumps the collected coolant onto the filter paper.

[0010] Preferably, the filter paper conveying mechanism includes: a frame, drive rollers, a drive motor, and a chain mesh; the frame is fixed on both sides of the first liquid storage tank; drive rollers are rotatably provided at both ends of the frame; the two sets of drive rollers tighten the chain mesh and rotate with the drive rollers.

[0011] Preferably, the paper loading mechanism includes: a fixed seat, a first movable seat, a shaft roller, a second movable seat, an insert rod, a movable slot plate, and an adjusting rod; the frame is provided with a fixed seat on each side of the feeding end; the first movable seat is rotatably mounted on one of the fixed seats; the movable slot plate is fixed to the top of the other fixed seat; a sliding groove is provided on the movable slot plate; the second movable seat is slidably mounted in the sliding groove; an adjusting rod is screwed through and movably placed in the sliding groove at one end of the movable slot plate, the end of the adjusting rod is in movable contact with the slider at the bottom of the second movable seat, and the movement of the slider at the bottom of the second movable seat is restricted after the adjusting rod is tightened; the first movable seat is rotatably connected to one end of the shaft roller; the other end of the shaft roller is provided with a slot; the second movable seat is rotatably provided with an insert rod corresponding to the position of the shaft roller, and the insert rod is movably inserted into the slot.

[0012] Preferably, the slag discharge mechanism includes: a support frame, a filter frame, a movable frame, a tilting motor, a stroke motor, a guide rod, a lead screw, and a connector; the main body of the support frame is located on one side of the filter paper conveying mechanism; two support beams extend from the support frame upwards onto the chain mesh; movable grooves extending to the support frame are opened on opposite sides of the two support beams; a guide rod is fixed in the movable groove; a movable frame is slidably arranged between the guide rods; the movable frame is movably connected to the filter frame via a rotating shaft; the rotating shaft is driven by the tilting motor; a lead screw is rotatably arranged on one side of the support frame; the lead screw is driven by the stroke motor; a connector passes through the lead screw; the connector is fixedly connected to the movable frame, driving the movable frame to move along the movable groove.

[0013] Preferably, the static reflux mechanism includes: a static filter plate, a second liquid storage tank, a second circulation pump, and a liquid outlet pipe; the second liquid storage tank is installed on the inner side of the support frame; the static filter plate is inserted above the second liquid storage tank; the inlet of the second circulation pump is connected to the second liquid storage tank; the outlet of the second circulation pump is connected to one end of the liquid outlet pipe; and the other end of the liquid outlet pipe is mounted between the frames of the slag discharge mechanism.

[0014] Preferably, the paper output end of the filter paper conveying mechanism is provided with a paper receiving box.

[0015] Beneficial effects of this invention:

[0016] 1. Pre-filtration is performed using a filter frame to intercept larger particles such as iron filings. The coolant is pre-treated before contacting the filter paper to ensure the strength of the filter paper during use, prevent damage from large particles such as iron filings, reduce the amount of filter paper that can be processed, and extend the service life of the filter paper.

[0017] 2. The filter frame can be automatically cleaned periodically to prevent excessive impurities from clogging the filter frame and affecting the coolant processing speed.

[0018] 3. Large iron filings and other impurities in the filter frame are left to settle on the filter plate. During the settling process, some coolant drips through the filter plate into the second storage tank. Once a certain amount is accumulated, it is pumped back to the top of the filter paper by the second circulation pump for filtration. After filtration, the coolant is collected in the first storage tank and finally returned to the machine tool's storage tank, reducing coolant consumption.

[0019] 4. Rolled filter paper is mounted on the paper loading mechanism, which has a quick paper changing structure to facilitate rapid replacement of filter paper rolls and improve the overall operating efficiency of the equipment. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall positional relationship of the present invention.

[0022] Figure 2 This is a schematic diagram showing the connection relationship between the various mechanisms of the present invention.

[0023] Figure 3 This is a schematic diagram showing the connection relationship of the various components of the present invention.

[0024] Figure 4 This is a schematic diagram of the disassembled support frame structure of the present invention.

[0025] Figure 5 This is a schematic diagram of the filter frame in the flipped state of the present invention.

[0026] Figure 6 This is a schematic diagram of the connection relationship of the paper loading mechanism of the present invention.

[0027] In the figure, the components are: first liquid storage tank 1, first circulation pump 2, filter paper conveying mechanism 3, frame 31, drive roller 32, drive motor 33, chain mesh 34, paper loading mechanism 4, fixed seat 41, first movable seat 42, shaft roller 43, second movable seat 44, insertion rod 45, movable trough plate 46, adjusting rod 47, slag discharge mechanism 5, support frame 51, filter frame 52, movable frame 53, flip motor 54, stroke motor 55, guide rod 56, lead screw 57, connector 58, static reflux mechanism 6, static filter plate 61, second liquid storage tank 62, second circulation pump 63, liquid outlet pipe 64, filter paper roll 7, and machine tool 8. Detailed Implementation

[0028] (I) Overall Structure

[0029] like Figure 1 , 2 As shown, the machine tool coolant treatment device of the present invention includes a first storage tank 1, a first circulating pump 2, a filter paper conveying mechanism 3, a paper loading mechanism 4, a slag removal mechanism 5, and a settling and reflux mechanism 6. The first circulating pump 2 is mounted on one end of the first storage tank 1, with its inlet connected to the first storage tank 1 and its outlet connected to the machine tool coolant storage tank. The filter paper conveying mechanism 3 is mounted above the first storage tank 1, with the paper loading mechanism 4 at its starting end and the slag removal mechanism 5 mounted above it. The slag removal mechanism 5 is perpendicular to the filter paper conveying direction, and the settling and reflux mechanism 6 is located below the slag removal mechanism 5. The settling and reflux mechanism 6 pumps the collected coolant onto the filter paper.

[0030] (ii) Filter paper conveying mechanism

[0031] like Figure 2 , 3 As shown in Figure 5, the filter paper conveying mechanism 3 includes a frame 31, drive rollers 32, a drive motor 33, and a chain mesh 34. The frame 31 is fixed on both sides of the first liquid storage tank 1, and drive rollers 32 are rotatably mounted at both ends of the frame 31. The two sets of drive rollers 32 support the chain mesh 34 and rotate with the drive rollers 32. A filter paper placement area is formed on the surface of the chain mesh 34, and the filter paper moves with the chain mesh 34 until it reaches the end of the filter paper conveying mechanism 3.

[0032] (iii) Paper loading mechanism

[0033] like Figure 2 , 3As shown in Figure 6, the paper loading mechanism 4 includes a fixed seat 41, a first movable seat 42, a shaft roller 43, a second movable seat 44, an insert rod 45, a movable slot plate 46, and an adjusting rod 47. A fixed seat 41 is located on each side of the feed end of the frame 31. The first movable seat 42 is rotatably mounted on one fixed seat 41, and a movable slot plate 46 is fixed to the top of the other fixed seat 41. A sliding groove is formed on the movable slot plate 46, within which the second movable seat 44 slides. An adjusting rod 47, movably positioned within the sliding groove, is threaded through and screwed onto one end of the movable slot plate 46. The adjusting rod 47 has a knob, and its end is in contact with the slider at the bottom of the second movable seat 44. Tightening the adjusting rod 47 restricts the movement of the slider at the bottom of the second movable seat 44. The first movable seat 42 is rotatably connected to one end of the shaft roller 43, and the other end of the shaft roller 43 has a slot. The second movable seat 44 is rotatably mounted with an insert rod 45 corresponding to the position of the shaft roller 43, and the insert rod 45 is movably inserted into the slot.

[0034] (iv) Slag Discharge Mechanism

[0035] like Figure 3-5 As shown, the slag discharge mechanism 5 includes a support frame 51, a filter frame 52, a movable frame 53, a tilting motor 54, a stroke motor 55, a guide rod 56, a lead screw 57, and a connector 58. The main body of the support frame 51 is located on one side of the filter paper conveying mechanism 3. Two support beams extend from the support frame 51 above the chain mesh 34. Movable grooves extending to the support frame 51 are opened on opposite sides of the two support beams. Guide rods 56 are fixed in the movable grooves, and the movable frame 53 is slidably arranged between the guide rods 56. The movable frame 53 is movably connected to the filter frame 52 through a rotating shaft, which is driven by the tilting motor 54. A gap for the tilting of the filter frame 52 is reserved on the inner side of the movable frame 53. A lever 57 is rotatably provided on one side of the support frame 51. The lead screw 57 is driven by the stroke motor 55. A connector 58 passes through the lead screw 57 and is fixedly connected to the movable frame 53, driving the movable frame 53 to move along the movable groove.

[0036] (v) Static reflux mechanism

[0037] like Figure 3-5 As shown, the static reflux mechanism 6 includes a static filter plate 61, a second liquid storage tank 62, a second circulation pump 63, and a liquid outlet pipe 64. The second liquid storage tank 62 is installed inside the support frame 51, and the static filter plate 61 is inserted above the second liquid storage tank 62. The inlet of the second circulation pump 63 is connected to the second liquid storage tank 62, and its outlet is connected to one end of the liquid outlet pipe 64. The other end of the liquid outlet pipe 64 is mounted between the frames of the slag discharge mechanism 5. Unless otherwise described, all fixing methods are achieved using welding or threaded fastening techniques commonly used by those skilled in the art.

[0038] Working principle

[0039] When using the machine tool filtration equipment of the present invention, firstly, roll filter paper is installed on the paper loading mechanism 4. The drive motor 33 drives the drive roller 32 to rotate, causing the chain mesh 34 to move. The filter paper moves along the chain mesh 34 of the filter paper conveying mechanism 3. The stroke motor 55 is controlled to move the filter frame 52 above the chain mesh 34.

[0040] The coolant of the machine tool 8 flows out from the machine tool reservoir and enters the filter frame 52 of the slag discharge mechanism 5. The filter frame 52 filters out large-diameter iron filings and other impurities, while small-diameter impurities and coolant flow into the filter paper below the filter frame 52 and are filtered by the filter paper.

[0041] The filter frame has a limited capacity and needs to be cleaned regularly. During cleaning, the stroke motor 55 moves the filter frame 52 above the support frame 51; then the flip motor 54 is controlled to flip the filter frame 52, and large-diameter iron filings fall from the filter frame onto the stationary filter plate 61. Some of the coolant contained in the iron filings drips through the stationary filter plate 61 into the second storage tank 62. After accumulating to a certain amount, it is pumped back onto the filter paper by the second circulation pump 63 for further filtration. The filtered coolant is collected in the first storage tank 1 and pumped back into the storage tank of the machine tool 8 by the first circulation pump 2, realizing the recycling of coolant. The stationary filter plate 61 is cleaned manually and regularly. The pore size of the filter frame 52 and the stationary filter plate 61 is determined according to the factory's specifications.

[0042] When the filter paper needs to be replaced, loosen the adjusting rod 47 so that the second movable seat 44 slides in the groove of the movable slot plate 46. At the same time, rotate the first movable seat 42 to separate the insertion rod 45 from the slot of the shaft roller 43. The old filter paper roll 7 can be quickly removed. After installing the new filter paper roll 7, tighten the adjusting rod 47 again to complete the filter paper replacement.

[0043] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A machine tool coolant treatment device, comprising a first storage tank, a first circulating pump, a filter paper conveying mechanism, a paper loading mechanism, a slag discharge mechanism, and a static reflux mechanism; the first circulating pump is mounted on one end of the first storage tank, the inlet of the first circulating pump is connected to the first storage tank, and the outlet of the first circulating pump is connected to the machine tool coolant tank; a filter paper conveying mechanism is mounted above the first storage tank, the filter paper conveying mechanism comprising a frame, drive rollers, a drive motor, and a chain mesh; the frame is fixed on both sides of the first storage tank, and drive rollers are rotatably mounted on both ends of the frame, the two sets of drive rollers tighten the chain mesh and rotate with the drive rollers, and the filter paper is laid on the surface of the chain mesh and moves with the chain mesh; A slag discharge mechanism is mounted above the filter paper conveying mechanism, and the slag discharge mechanism is perpendicular to the filter paper conveying direction. The slag discharge mechanism includes a support frame, a filter frame, a movable frame, a tilting motor, a stroke motor, a guide rod, a lead screw, and a connector. The main body of the support frame is located on one side of the filter paper conveying mechanism. Two support beams extend from the support frame upwards from the chain mesh. Movable grooves extending to the support frame are opened on opposite sides of the two support beams. Guide rods are fixed in the movable grooves, and movable frames are slidably mounted between the guide rods. The movable frames are movably connected to the filter frame via a rotating shaft, which is driven by a tilting motor. A lead screw is rotatably mounted on one side of the support frame, which is driven by a stroke motor. A connector passes through the lead screw and is fixedly connected to the movable frame, used to drive the movable frame to move along the movable groove. The coolant discharged from the machine tool first enters the filter frame for pre-filtration. After the filter frame intercepts large metal impurities, the coolant flows into the filter paper below for fine filtration. Below the slag discharge mechanism is a static reflux mechanism, which includes a static filter plate, a second liquid storage tank, a second circulation pump, and a liquid outlet pipe. The second liquid storage tank is installed inside the support frame, and the static filter plate is inserted above the second liquid storage tank. The inlet of the second circulation pump is connected to the second liquid storage tank, and the outlet of the second circulation pump is connected to one end of the liquid outlet pipe. The other end of the liquid outlet pipe is mounted above the filter paper of the filter paper conveying mechanism. The impurities discharged by the filter frame fall onto the static filter plate, and the coolant carried by the impurities is drained through the static filter plate and flows into the second liquid storage tank. Then, it is transported to the top of the filter paper for secondary filtration by the second circulation pump and the liquid outlet pipe.

2. The machine tool coolant treatment device according to claim 1, characterized in that: The filter paper conveying mechanism has a paper loading mechanism at its starting end for loading filter paper rolls. The paper loading mechanism includes: a fixed seat, a first movable seat, a shaft roller, a second movable seat, an insert rod, a movable groove plate, and an adjusting rod. The frame has a fixed seat on each side of the feed end. The first movable seat is rotatably mounted on one of the fixed seats. A movable groove plate is fixed to the top of the other fixed seat. A sliding groove is formed on the movable groove plate. The second movable seat slides within the sliding groove. An adjusting rod is threaded through and screwed onto one end of the movable groove plate. The end of the adjusting rod is in contact with a slider at the bottom of the second movable seat. Tightening the adjusting rod restricts the movement of the slider at the bottom of the second movable seat. The first movable seat is rotatably connected to one end of the shaft roller. The other end of the shaft roller has a slot. The second movable seat has an insert rod rotatably mounted corresponding to the position of the shaft roller, and the insert rod is movably inserted into the slot.

3. The machine tool coolant treatment device according to claim 1, characterized in that: The paper feeding mechanism is equipped with a paper receiving box at the paper output end.

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