Numerical control machine tool with cutter cooling mechanism

Abstract

The invention relates to a numerical control machine tool with a tool cooling mechanism, and belongs to the technical field of numerical control machine tools, the numerical control machine tool comprises a machine base, a machine cover fixedly communicated with the top of the machine base and a tool body arranged in the machine cover, and the rotary cooling mechanism used for driving operation and rotary cooling is arranged outside the tool body. And an airflow acceleration mechanism extending to the outside of the cutter body is arranged outside the machine cover. According to the numerical control machine tool with the cutter cooling mechanism, a conical spraying cover in the rotary cooling mechanism rotates around a cutter body under the action of a driving mechanism, a plurality of spraying holes spray water from different angles for cooling, a cutter is evenly cooled, water mist diffusion is avoided, and meanwhile an air blower in the airflow acceleration mechanism conveys air to an annular spraying pipe; the cooling effect is further enhanced, the machining efficiency is improved, water mist diffusion is reduced, the service life of a tool is prolonged, the service life of a machine tool is prolonged, and the safety of the working environment is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool with a tool cooling mechanism. BACKGROUND

[0002] A numerical control machine tool is a kind of automatic machine tool equipped with a program control system. During the machining process of the numerical control machine tool, a large amount of heat is generated due to the high-speed friction between the tool and the workpiece. If the tool cannot be cooled and cooled down in time and effectively, the tool will be severely worn, the service life will be shortened, and even the machining precision and the quality of the workpiece will be affected.

[0003] Most existing numerical control machine tools use fixedly arranged atomizing nozzles to cool the tool. While the water mist sprayed by the atomizing nozzles rapidly cools the tool, a part of the water mist will spread to the surrounding environment. This not only causes waste of water resources, but also makes the equipment and working area around the machine tool become damp. Long-term exposure to a damp environment can cause rust, circuit short-circuit and other problems in the machine tool equipment. Moreover, the spread of water mist can interfere with the operator's vision, affecting the accuracy and safety of operation. Therefore, a numerical control machine tool with a tool cooling mechanism is proposed to solve the above-mentioned problems. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a numerical control machine tool with a tool cooling mechanism, which has the advantages of good cooling effect and avoidance of water mist spreading, and solves the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A numerical control machine tool with a tool cooling mechanism, comprising a machine base, a machine cover fixedly connected to the top of the machine base, and a tool body provided inside the machine cover, wherein the outside of the tool body is provided with a rotary cooling mechanism for driving operation and rotary cooling, and the outside of the machine cover is provided with an airflow acceleration mechanism extending to the outside of the tool body.

[0007] The rotary cooling mechanism comprises a water tank fixedly connected to the outside of the machine cover and a mounting bracket provided inside the machine cover, the bottom of the mounting bracket is fixedly connected with a horizontal plate, the inside of the horizontal plate is rotatably connected with a rotating sleeve extending to the outside thereof, the tool body is rotatably connected to the inside of the rotating sleeve and extends to the outside thereof, the outside of the bottom end of the rotating sleeve is fixedly connected with a conical spray cover, the outside of the mounting bracket is fixedly connected with a moving plate, the inside of the conical spray cover is provided with a spray hole, and the outside of the tool body and the rotating sleeve is provided with a driving mechanism.

[0008] The airflow accelerating mechanism comprises a blower fixedly installed outside the machine cover and an annular nozzle fixedly installed inside the conical spray cover, and a gas conveying pipe is rotatably connected between the annular nozzle and the blower through a bearing sleeve.

[0009] Further, the number of the spray holes is multiple, and the multiple spray holes are sequentially distributed in a ring shape inside the conical spray cover.

[0010] Further, the outside of the water tank is fixedly installed with a booster pump, a corrugated pipe is fixedly communicated between the output end of the booster pump and the conical spray cover, a suction pipe is fixedly communicated between the booster pump and the water tank, and a movable opening matched with the corrugated pipe is formed in the inside of the machine cover.

[0011] Further, the driving mechanism comprises a double-shaft motor fixedly installed inside the mounting bracket and a driven gear fixedly installed outside the rotating sleeve, a transmission gear engaged with the driven gear is fixedly connected to the bottom end output shaft of the double-shaft motor, and the outside of the cutter body is provided with a synchronous assembly.

[0012] Further, the synchronous assembly comprises a second synchronous wheel fixedly installed on the top end output shaft of the double-shaft motor and a first synchronous wheel bolted to the top end of the cutter body, and the outside of the first and second synchronous wheels is drivingly connected with a synchronous belt.

[0013] Further, the annular nozzle is connected around the outside of the cutter body, a plurality of gas outlet holes are formed in the inside of the annular nozzle, and a moving hole matched with the gas conveying pipe is formed in the inside of the machine cover.

[0014] Further, the outside of the machine cover is provided with a moving mechanism extending into the inside thereof, the moving mechanism comprises a mounting box fixedly communicated with the top of the machine cover, a servo motor is fixedly installed to the outside of the mounting box, a ball screw is fixedly connected to the output shaft of the servo motor, a moving block is threadedly connected to the outside of the ball screw, a connecting block extending into the inside of the machine cover is fixedly connected to the bottom of the moving block, an installation plate is fixedly connected to the bottom of the connecting block, a telescopic air cylinder is fixedly installed to the bottom of the installation plate, and a moving plate is fixedly installed to the telescopic end of the telescopic air cylinder.

[0015] Further, a sliding block extending into the inside of the mounting box is fixedly connected to the outside of the moving block, a sliding groove matched with the sliding block is formed in the inside of the mounting box, and the sliding block and the sliding groove are slidingly connected.

[0016] Further, the inside of the machine cover is provided with a clamping mechanism extending into the inside thereof, the clamping mechanism comprises an electric push rod fixedly installed outside the machine cover and extending into the inside thereof, and a clamping plate is fixedly connected to the output end of the electric push rod.

[0017] Further, the inside of the machine base is provided with a placing groove, and the inside of the placing groove is provided with a discharging port.

[0018] Compared with the prior art, the present application provides a numerical control machine tool with tool cooling mechanism, which has the following advantages:

[0019] 1. The numerical control machine tool with tool cooling mechanism, the conical spray cover in the rotary cooling mechanism can rotate around the tool body under the action of the driving mechanism, and a plurality of spray holes are arranged on the conical spray cover in a ring shape, which can spray water to cool the tool body from different angles, so that each part of the tool body can be uniformly cooled, the cooling effect is effectively improved, the service life of the tool is prolonged, the tool body is surrounded by the conical spray cover, the water mist sprayed by the spray hole is limited inside the conical spray cover, the water mist is effectively prevented from diffusing to the surrounding environment, the waste of water resources is reduced, the problems such as rust and circuit short circuit caused by moisture in the surrounding equipment and working area of the machine tool are avoided, and the overall service life of the machine tool and the safety of the working environment are improved.

[0020] 2. The numerical control machine tool with tool cooling mechanism, the air is sent to the annular spray pipe by the air conveying pipe through the air blower, the air is sprayed from the plurality of air outlets of the annular spray pipe to form air flow, which accelerates the diffusion and evaporation of the water mist in the conical spray cover, further enhances the cooling effect, and makes the tool lower the temperature faster to improve the processing efficiency, the air flow generated by the air blower not only accelerates the evaporation of the water mist, but also guides the water mist to a certain extent, so that the water mist is more concentrated around the tool body, and the diffusion of the water mist is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure perspective view of the numerical control machine tool with tool cooling mechanism of the present application;

[0022] Figure 2 It is a structure perspective view of the tool body and the rotary cooling mechanism of the numerical control machine tool with tool cooling mechanism of the present application;

[0023] Figure 3 It is a structure sectional perspective view of the tool body, the conical spray cover and the annular spray pipe of the numerical control machine tool with tool cooling mechanism of the present application;

[0024] Figure 4 It is a structure sectional perspective view of the conical spray cover and the annular spray pipe of the numerical control machine tool with tool cooling mechanism of the present application;

[0025] Figure 5 It is a structure perspective view of the tool body, the rotary cooling mechanism and the moving mechanism of the numerical control machine tool with tool cooling mechanism of the present application.

[0026] In the figure: 1, base; 2, cover; 3, cutter body; 4, rotary cooling mechanism; 41, water tank; 42, booster pump; 43, mounting frame; 44, cross plate; 45, double-shaft motor; 46, rotating sleeve; 47, driven gear; 48, transmission gear; 49, conical spray cover; 410, bellows; 411, spray hole; 412, first synchronous wheel; 413, second synchronous wheel; 414, synchronous belt; 415, moving plate; 5, airflow acceleration mechanism; 51, air blower; 52, annular nozzle; 53, air conveying pipe; 54, bearing sleeve; 6, moving mechanism; 61, mounting box; 62, servo motor; 63, ball screw; 64, moving block; 65, connecting block; 66, mounting plate; 67, telescopic air cylinder; 7, clamping mechanism; 8, electromagnet collection. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0028] Please refer to Figures 1 to 5 In the embodiment, the numerical control machine tool with a cutter cooling mechanism comprises a base 1, a cover 2 fixedly connected to the top of the base 1, and a cutter body 3 arranged in the cover 2, wherein the cutter body 3 is externally provided with a rotary cooling mechanism 4 for driving operation and rotary cooling, and the cover 2 is externally provided with an airflow acceleration mechanism 5 extending to the outside of the cutter body 3.

[0029] The rotary cooling mechanism 4 comprises a water tank 41 fixedly connected to the outside of the cover 2 and a mounting frame 43 arranged in the cover 2, the bottom of the mounting frame 43 is fixedly connected with a cross plate 44, the inside of the cross plate 44 is rotatably connected with a rotating sleeve 46 extending to the outside thereof, the cutter body 3 is rotatably connected to the inside of the rotating sleeve 46 and extends to the outside thereof, the bottom end of the rotating sleeve 46 is externally fixedly connected with a conical spray cover 49, the outside of the mounting frame 43 is fixedly connected with a moving plate 415, the inside of the conical spray cover 49 is provided with a spray hole 411, and the outside of the cutter body 3 and the rotating sleeve 46 is provided with a driving mechanism. The water tank 41 is used for storing cooling water, the booster pump 42 can pressurize the water in the water tank 41 and then deliver it into the conical spray cover 49. When the double-shaft motor 45 works, the rotating sleeve 46 and the conical spray cover 49 are driven to rotate through the transmission of the transmission gear 48 and the driven gear 47.

[0030] Specifically, the number of the spray holes 411 is multiple, and the multiple spray holes 411 are distributed in a ring shape in the inside of the conical spray cover 49, and the cutter body 3 is rotationally connected to the inside of the conical spray cover 49. The outside of the water tank 41 is fixedly installed with a booster pump 42, a corrugated pipe 410 is fixedly communicated between the output end of the booster pump 42 and the conical spray cover 49, and a suction pipe is fixedly communicated between the booster pump 42 and the water tank 41, and the inside of the machine cover 2 is provided with a movable opening matched with the corrugated pipe 410. The conical spray cover 49 surrounds the cutter body 3, and the water mist sprayed by the spray holes 411 is limited in the inside of the conical spray cover 49, effectively avoiding the diffusion of the water mist to the surrounding environment, reducing the waste of water resources, avoiding the rust, circuit short circuit and other problems of the machine tool surrounding equipment and working area due to damp, and improving the overall service life of the machine tool and the safety of the working environment.

[0031] It should be noted that the driving mechanism includes a double-shaft motor 45 fixedly installed in the inside of the mounting bracket 43 and a driven gear 47 fixedly installed outside the rotating sleeve 46, the bottom end output shaft of the double-shaft motor 45 is fixedly connected with a transmission gear 48 engaged with the driven gear 47, and the outside of the cutter body 3 is provided with a synchronous assembly.

[0032] In addition, the synchronous assembly includes a second synchronous wheel 413 fixedly installed on the top end output shaft of the double-shaft motor 45 and a first synchronous wheel 412 bolted to the top end of the cutter body 3, and the outside of the first synchronous wheel 412 and the second synchronous wheel 413 is drivingly connected with a synchronous belt 414. The cutter body 3 is rotated by the synchronous belt 414, the operation of the cutter body 3 is realized, the cutter body 3 can be sprayed and cooled from different angles, each part of the cutter body 3 can be uniformly cooled, the cooling effect is effectively improved, the service life of the cutter is prolonged, the operation and cooling of the cutter body 3 are synchronized, the structure is compact, the setting is reasonable, and the overall performance of the machine tool is improved.

[0033] Please refer to Figure 1 、 Figures 3 to 4 In the embodiment, the airflow accelerating mechanism 5 includes a blower 51 fixedly installed outside the machine cover 2 and a ring-shaped nozzle 52 fixedly installed inside the conical spray cover 49, and the ring-shaped nozzle 52 and the blower 51 are rotationally connected with a gas conveying pipe 53 through a bearing sleeve 54. The airflow generated by the airflow accelerating mechanism 5 not only accelerates the evaporation of the water mist, but also guides the water mist to a certain extent, so that the water mist is more concentrated around the cutter, and the diffusion of the water mist is further reduced.

[0034] The ring-shaped nozzle 52 is connected to the outside of the tool body 3, the inside of the ring-shaped nozzle 52 is provided with a plurality of air outlets, and the inside of the cover 2 is provided with a moving hole matched with the air conveying pipe 53. The air blower 51 conveys air to the ring-shaped nozzle 52 through the air conveying pipe 53, the air is sprayed out of the plurality of air outlets of the ring-shaped nozzle 52 to form an air flow, which accelerates the diffusion and evaporation of the water mist in the conical spray cover 49, further enhances the cooling effect, and makes the tool lower the temperature faster and improve the processing efficiency.

[0035] Please refer to Figure 1 and Figure 5 In the embodiment, the outside of the cover 2 is provided with a moving mechanism 6 extending into the inside thereof, the moving mechanism 6 includes a mounting box 61 fixedly connected to the top of the cover 2, a servo motor 62 fixedly installed on the outside of the mounting box 61, a ball screw 63 fixedly connected to the output shaft of the servo motor 62, a moving block 64 threadedly connected to the outside of the ball screw 63, a connecting block 65 fixedly connected to the bottom of the moving block 64 and extending into the inside of the cover 2, an installation plate 66 fixedly connected to the bottom of the connecting block 65, a telescopic air cylinder 67 fixedly installed on the bottom of the installation plate 66, and a moving plate 415 fixedly installed on the telescopic end of the telescopic air cylinder 67. When the servo motor 62 works, it drives the ball screw 63 to rotate, so that the moving block 64 moves along the ball screw 63, and then drives the moving plate 415 to move through the connecting block 65, the installation plate 66 and the telescopic air cylinder 67, so as to realize the position adjustment of the conical spray cover 49 and other components in the horizontal direction; the telescopic air cylinder 67 can realize the position adjustment of the conical spray cover 49 and other components in the vertical direction.

[0036] The outside of the moving block 64 is fixedly connected with a sliding block extending into the inside of the mounting box 61, and the inside of the mounting box 61 is provided with a sliding groove matched with the sliding block, and the sliding block and the sliding groove are in sliding connection.

[0037] Please refer to Figure 1 In the embodiment, the inside of the cover 2 is provided with a clamping mechanism 7 extending into the inside thereof, the clamping mechanism 7 includes an electric push rod fixedly installed on the outside of the cover 2 and extending into the inside thereof, and a clamping plate fixedly connected to the output end of the electric push rod. The electric push rod in the clamping mechanism 7 drives the clamping plate to move, so as to realize the stable clamping of the workpiece, ensure that the workpiece does not move during processing, and improve the stability and processing quality of processing.

[0038] The inside of the base 1 is provided with a placing groove, the inside of the placing groove is provided with a discharge port, and the inside of the base 1 is slidably installed with an electromagnet collecting frame 8. The iron filings and other impurities generated during processing can fall into the electromagnet collecting frame 8 through the discharge port, the electromagnet collecting frame 8 can adsorb the iron filings and other impurities generated during processing, so as to facilitate collection and cleaning, maintain the cleanliness of the machine tool, and reduce the wear and influence of impurities on machine tool components.

[0039] The working principle of the above embodiment is as follows:

[0040] In use, the clamping mechanism 7 first clamps and fixes the workpiece, the double-shaft motor 45 works, the cutter body 3 is driven to rotate for machining through the synchronous assembly, the conical spray cover 49 is driven to rotate through the driving mechanism, the cooling water in the water tank 41 is pressurized by the booster pump 42 and then delivered to the conical spray cover 49, the water mist is sprayed out through the spray hole 411 to cool the cutter, the air blower 51 works to spray air out through the annular spray pipe 52 to accelerate the diffusion and evaporation of the water mist and reduce the diffusion of the water mist, the moving mechanism 6 can adjust the position of the rotary cooling mechanism 4 according to the machining requirement to make the cooling more accurate and effective, the iron filings and other impurities generated in the machining process fall into the electromagnet collection frame 8 through the discharge port for collection, and through the cooperative work of various mechanisms, the cutter is efficiently cooled.

[0041] The mounting mode, connection mode or setting mode disclosed in the embodiment are all common mechanical connection modes, and can be implemented as long as the beneficial effects can be achieved. In addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical elements can be realized by simple programming by those skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0042] It should be noted that, in this document, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0043] It should be noted that, in this document, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitation, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0044] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A CNC machine tool with a tool cooling mechanism, characterized in that: The utility model relates to a cutting tool cooling device, including base (1), fixed intercommunication in the top of base (1) cover (2) and setting in the cover (2) inside cutter body (3), the outside of cutter body (3) is provided with the rotating cooling mechanism (4) for driving operation and rotating cooling, the outside of cover (2) is provided with airflow acceleration mechanism (5) extending to the outside of cutter body (3), The rotating cooling mechanism (4) includes a water tank (41) fixedly connected to the outside of the cover (2) and a mounting bracket (43) arranged inside the cover (2), the bottom of the mounting bracket (43) is fixedly connected with a horizontal plate (44), the inside of the horizontal plate (44) is rotatably connected with a rotating sleeve (46) extending to the outside thereof, the cutter body (3) is rotatably connected inside the rotating sleeve (46) and extends to the outside thereof, the outside of the bottom end of the rotating sleeve (46) is fixedly connected with a conical spray cover (49), the outside of the mounting bracket (43) is fixedly connected with a moving plate (415), the inside of the conical spray cover (49) is provided with a spray hole (411), the outside of the cutter body (3) and the rotating sleeve (46) is provided with a driving mechanism; The airflow acceleration mechanism (5) includes a blower (51) fixedly installed on the outside of the cover (2) and an annular nozzle (52) fixedly installed inside the conical spray cover (49), and a gas conveying pipe (53) is rotatably connected between the annular nozzle (52) and the blower (51) through a bearing sleeve (54).

2. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The number of the spray holes (411) is multiple, and the multiple spray holes (411) are sequentially distributed in the inside of the conical spray cover (49) in a ring shape, and the cutter body (3) is rotatably connected inside the conical spray cover (49).

3. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The outside of the water tank (41) is fixedly installed with a booster pump (42), a corrugated pipe (410) is fixedly connected between the output end of the booster pump (42) and the conical spray cover (49), a suction pipe is fixedly connected between the booster pump (42) and the water tank (41), and the inside of the cover (2) is provided with a movable opening matched with the corrugated pipe (410).

4. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The driving mechanism includes a double-shaft motor (45) fixedly installed inside the mounting bracket (43) and a driven gear (47) fixedly installed on the outside of the rotating sleeve (46), the bottom end output shaft of the double-shaft motor (45) is fixedly connected with a transmission gear (48) engaged with the driven gear (47), and the outside of the cutter body (3) is provided with a synchronous assembly.

5. The numerically controlled machine tool having a tool cooling mechanism according to claim 4, characterized by: The synchronous assembly includes a second synchronous wheel (413) fixedly installed on the top end output shaft of the double-shaft motor (45) and a first synchronous wheel (412) bolted to the top end of the cutter body (3), and the outside of the first synchronous wheel (412) and the second synchronous wheel (413) is drivingly connected with a synchronous belt (414).

6. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The annular nozzle (52) is connected around the outside of the cutter body (3), a plurality of gas outlet holes are formed in the inside of the annular nozzle (52), and a moving hole matched with the gas conveying pipe (53) is formed in the inside of the cover (2).

7. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The outside of the machine cover (2) is provided with a moving mechanism (6) extending to the inside thereof, the moving mechanism (6) comprises a mounting box (61) fixedly communicated with the top of the machine cover (2), a servo motor (62) is fixedly installed on the outside of the mounting box (61), a ball screw (63) is fixedly connected on the output shaft of the servo motor (62), a moving block (64) is threadedly connected on the outside of the ball screw (63), a connecting block (65) extending to the inside of the machine cover (2) is fixedly connected on the bottom of the moving block (64), an installation plate (66) is fixedly connected on the bottom of the connecting block (65), a telescopic air cylinder (67) is fixedly installed on the bottom of the installation plate (66), and the moving plate (415) is fixedly installed on the telescopic end of the telescopic air cylinder (67).

8. The numerically controlled machine tool having a tool cooling mechanism according to claim 7, characterized by: The outside of the moving block (64) is fixedly connected with a sliding block extending to the inside of the mounting box (61), and the inside of the mounting box (61) is provided with a sliding groove matched with the sliding block, and the sliding block and the sliding groove are in sliding connection.

9. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The inside of the machine cover (2) is provided with a clamping mechanism (7) extending to the inside thereof, the clamping mechanism (7) comprises an electric push rod fixedly installed on the outside of the machine cover (2) and extending to the inside thereof, and the output end of the electric push rod is fixedly connected with a clamping plate.

10. The numerically controlled machine tool having a tool cooling mechanism according to claim 1, characterized by: The inside of the machine base (1) is provided with a placing groove, the inside of the placing groove is provided with a discharging port, and the inside of the machine base (1) is slidably installed with an electromagnet collecting frame (8).

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