Milling head rotating device for numerical control gantry machining center

Abstract

The utility model relates to the technical field of machining, in particular to a milling head rotating device for a numerical control gantry machining center, which can cool a workpiece and a milling cutter while milling the workpiece, so that the service life of the milling cutter is prolonged, and the practicability and the reliability are high. Comprising a main shaft, a cutter sleeve and a milling cutter, the cutter sleeve is installed at the lower end of the main shaft, and a drill clamp is arranged at the lower end of the cutter sleeve; the device further comprises a sliding block, a fixing frame, a driving mechanism, a moving mechanism and a cooling mechanism, the sliding block is installed on the moving mechanism, the moving mechanism is used for moving the sliding block, the fixing frame is fixedly installed on the sliding block, the main shaft is rotationally installed on the sliding block and the fixing frame, and the driving mechanism is installed on the fixing frame and used for driving the main shaft to rotate. The cooling mechanism is installed on the fixing frame and has a cooling function.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a milling head rotating device for a numerical control gantry processing center. Background Art

[0002] The milling head is an auxiliary device used to clamp and fix the milling cutter, which is widely used in machining centers. On CNC gantry machining centers, the milling head drives the milling cutter to rotate and moves the rotating milling cutter to mill the workpiece. In the prior art, the utility model patent with patent application number 202220102495.9 discloses a milling head rotating device for a CNC gantry machining center, which mainly includes a support frame, a rotating frame and a milling head, the suction head is installed on the rotating frame, and the rotating frame is installed on the support frame; when it is in use, the milling cutter is installed on the milling head, and then the milling head drives the milling cutter to rotate through the rotating frame, so that the rotating milling cutter mills the workpiece; the inventor believes that there are the following problems during use. When the high-speed rotating milling cutter mills the workpiece, a large amount of heat is generated due to the friction between the milling cutter and the workpiece, which causes the temperature of the milling cutter to rise. During long-term milling work, the milling cutter is in a high temperature state for a long time, which is easy to cause a decrease in strength and hardness, and thus leads to a reduction in the service life of the milling cutter. Therefore, a milling head rotating device for a machining center that can cool the milling cutter is needed. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides a milling head rotating device for a CNC gantry machining center which can cool the workpiece and the milling cutter while milling the workpiece, thereby increasing the service life of the milling cutter and having high practicality and reliability.

[0004] The utility model discloses a milling head rotating device for a CNC gantry machining center, comprising a spindle, a tool sleeve and a milling cutter, wherein the tool sleeve is mounted at the lower end of the spindle, a drill clamp is provided at the lower end of the tool sleeve, and the milling cutter is fixedly mounted on the tool sleeve through the drill clamp; the utility model also comprises a slider, a fixed frame, a driving mechanism, a moving mechanism and a cooling mechanism, wherein the slider is mounted on the moving mechanism, the moving mechanism is used to move the slider, the fixed frame is fixedly mounted on the slider, the spindle is rotatably mounted on the slider and the fixed frame, the driving mechanism is mounted on the fixed frame, the driving mechanism is used to drive the spindle to rotate, the cooling mechanism is mounted on the fixed frame, and the cooling mechanism has a cooling function; the moving mechanism is mounted on the lifting mechanism of the CNC gantry machining center, and when it is necessary to move the slider, the moving mechanism can be adjusted. When the workpiece is being processed, the workpiece is clamped and fixed, and then the main shaft is rotated through the driving mechanism, and the main shaft rotates the milling cutter through the tool sleeve, and then the slider is moved in the horizontal direction through the moving mechanism, and the slider drives the main shaft, the tool sleeve and the milling cutter to move in the horizontal direction until the milling cutter is aligned with the workpiece, and then the moving mechanism drives the slider to descend through the external lifting mechanism, and the slider drives the tool sleeve to drive the milling cutter to descend through the main shaft, so that the rotating milling cutter contacts the workpiece, and the milling cutter performs milling processing on the workpiece, and at the same time, the milling cutter and the workpiece are cooled by the cooling mechanism, and the workpiece and the milling cutter are cooled in time, so that the temperature of the milling cutter is avoided from being too high. It is easy to use, and the service life of the milling cutter is increased, and it has high practicality and reliability.

[0005] Preferably, the moving mechanism includes a fixed plate and an electric slide rail, the electric slide rail is fixedly installed at the lower end of the fixed plate, and the slider is installed on the electric slide rail for sliding left and right, and the electric slide rail is used to move the slider left and right; when the workpiece is milled by the milling cutter, the slider can be moved in the horizontal direction by the electric slide rail, thereby driving the spindle, the tool sleeve and the milling cutter to move in the horizontal direction until the milling cutter moves to a suitable position in the horizontal direction; since the position of the milling cutter in the horizontal direction can be adjusted, it can perform milling on any position in the horizontal direction on the workpiece, which is easy to use and has high reliability and practicality.

[0006] Preferably, the driving mechanism includes bevel gear A, bevel gear B, a driving shaft and a driving motor, bevel gear A is fixedly mounted on the main shaft, bevel gear A is meshed with bevel gear B, bevel gear B is fixedly mounted on the driving shaft, the driving shaft is rotatably mounted on the fixed frame, the input end of the driving shaft is connected to the driving motor, and the driving motor is fixedly mounted on the fixed frame; when the driving main shaft rotates, the driving motor is turned on, the driving motor drives the bevel gear A to rotate through the driving shaft, and the bevel gear A drives the milling cutter to rotate through the main shaft. The rotation of the milling cutter is convenient.

[0007] Preferably, the cooling mechanism includes a rotating mechanism, a discharge pipe, a spray pipe, an air jet pipe, a delivery pipe, a water pipe, an air pipe, a hose A and a hose B. The discharge pipe is installed on a fixed frame through a rotating mechanism. The rotating mechanism is used to rotate the discharge pipe. The air jet pipe and the spray pipe are respectively installed at the upper and lower parts of the discharge pipe. The air jet pipe and the spray pipe are both connected to the discharge pipe. A nozzle is provided on the spray pipe. An air blowing pipe is provided on the air jet pipe. The output end of the delivery pipe is connected to the discharge pipe. The output ends of the water pipe and the air pipe are both connected to the delivery pipe. The input end of the water pipe is connected to the hose B. The input end of the air pipe is connected to the hose A. Valves are provided on the spray pipe, the air jet pipe, the water pipe and the air pipe. The input end of the hose A is connected to an external cooling fan, and the input end of the hose B is connected to an external water supply pump. When the milling cutter mills the workpiece, when it is needed When water cooling is used to cool the milling cutter and the workpiece, the valves on the air pipe and the jet pipe are closed, the valves on the water pipe and the spray pipe are opened, and then the water supply pump is turned on to allow the external water to be sprayed onto the workpiece and the milling cutter through the hose B, the water pipe, the delivery pipe, the discharge pipe and the spray pipe in sequence to cool the workpiece and the milling cutter; when air cooling is needed to cool the workpiece and the milling cutter, the discharge pipe is rotated by the rotating mechanism, the jet pipe is rotated to the lower side of the discharge pipe, the air blowing pipe on the jet pipe is aligned with the milling cutter, and then the valves on the water pipe and the spray pipe are closed, the valves on the air pipe and the jet pipe are opened, and then the air cooler is turned on to allow the cold air to be blown onto the milling cutter and the workpiece through the hose A, the air pipe, the delivery pipe, the discharge pipe and the jet pipe in sequence to cool the workpiece; this facilitates the cooling of the milling cutter and the workpiece.

[0008] Preferably, the rotating mechanism includes a servo motor and a rotating shaft, the servo motor is fixedly mounted on the fixed frame, the rotating shaft is rotatably mounted on the fixed frame, the input end of the rotating shaft is connected to the servo motor, and the left end of the rotating shaft is fixedly connected to the discharge pipe; when it is necessary to rotate the appropriate cooling method to cool the milling cutter as needed, turn on the servo motor, the servo motor rotates the discharge pipe through the rotating shaft, the discharge pipe drives the air jet pipe and the spray pipe to rotate, and the air jet pipe or the spray pipe is aligned with the milling cutter; the cooling of the milling cutter is facilitated, and the appropriate cooling method can be selected as needed to cool the milling cutter, thereby improving convenience.

[0009] Preferably, the drive motor and the servo motor are both provided with protective covers; through the above arrangement, the cooling life of the servo motor and the drive motor is improved.

[0010] Preferably, a waterproof lighting lamp is provided at the lower end of the fixing frame; through the above arrangement, the vicinity of the milling cutter is brighter, which facilitates observation during the processing and improves convenience.

[0011] Compared with the prior art, the utility model has the beneficial effects of: the workpiece and the milling cutter can be cooled while the workpiece is milled, thereby increasing the service life of the milling cutter and having high practicality and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first axonometric structural schematic diagram of the utility model;

[0013] Figure 2 It is a second axonometric structural schematic diagram of the utility model;

[0014] Figure 3 It is a structural schematic diagram of a fixed frame and a cooling mechanism;

[0015] Figure 4 It is a schematic diagram of the structure of the drive mechanism, spindle and milling cutter;

[0016] Figure 5 It is a main structural schematic diagram of the utility model.

[0017] Markings in the attached drawings: 1. spindle; 2. tool sleeve; 3. milling cutter; 4. slider; 5. fixed frame; 6. fixed plate; 7. electric slide rail; 8. bevel gear A; 9. bevel gear B; 10. drive shaft; 11. drive motor; 12. discharge pipe; 13. spray pipe; 14. jet pipe; 15. delivery pipe; 16. water pipe; 17. air pipe; 18. hose A; 19. hose B; 20. servo motor; 21. rotating shaft. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] like Figures 1 to 5The utility model of the milling head rotating device for the CNC gantry machining center includes a spindle 1, a tool sleeve 2, a milling cutter 3, a slider 4, a fixed frame 5, a driving mechanism, a moving mechanism and a cooling mechanism. The tool sleeve 2 is installed at the lower end of the spindle 1, and a drill clamp is provided at the lower end of the tool sleeve 2. The milling cutter 3 is fixedly installed on the tool sleeve 2 through the drill clamp. The slider 4 is installed on the moving mechanism. The moving mechanism is used to move the slider 4. The fixed frame 5 is fixedly installed on the slider 4. The spindle 1 is rotatably installed on the slider 4 and the fixed frame 5. The driving mechanism is installed on the fixed frame 5. The driving mechanism is used to drive the spindle 1 to rotate. The cooling mechanism is installed on the fixed frame 5. The cooling mechanism has a cooling function; the moving mechanism is installed on the lifting mechanism of the CNC gantry machining center. When the workpiece needs to be moved During processing, the workpiece is clamped and fixed, and then the main shaft 1 is rotated through the driving mechanism, and the main shaft 1 rotates the milling cutter 3 through the tool sleeve 2, and then the slider 4 is moved in the horizontal direction through the moving mechanism, and the slider 4 drives the main shaft 1, the tool sleeve 2 and the milling cutter 3 to move in the horizontal direction until the milling cutter 3 is aligned with the workpiece, and then the moving mechanism drives the slider 4 to descend through the external lifting mechanism, and the slider 4 drives the tool sleeve 2 to drive the milling cutter 3 to descend through the main shaft 1, so that the rotating milling cutter 3 contacts the workpiece, and the milling cutter 3 performs milling processing on the workpiece, and at the same time, the milling cutter 3 and the workpiece are cooled by the cooling mechanism, and the workpiece and the milling cutter 3 are cooled in time, so that the temperature of the milling cutter 3 is avoided from being too high, it is easy to use, and the service life of the milling cutter 3 is increased, and it is practical and reliable.

[0021] like Figure 1 The moving mechanism includes a fixed plate 6 and an electric slide rail 7. The electric slide rail 7 is fixedly installed at the lower end of the fixed plate 6. The slider 4 is slidably installed on the electric slide rail 7 to the left and right. The electric slide rail 7 is used to move the slider 4 to the left and right. When the workpiece is milled by the milling cutter 3, the slider 4 can be moved in the horizontal direction by the electric slide rail 7, thereby driving the spindle 1, the tool sleeve 2 and the milling cutter 3 to move in the horizontal direction until the milling cutter 3 moves to a suitable position in the horizontal direction. Since the position of the milling cutter 3 in the horizontal direction can be adjusted, it can perform milling on any position in the horizontal direction of the workpiece, which is easy to use and has high reliability and practicality.

[0022] like Figure 4 and Figure 5 The driving mechanism includes a bevel gear A8, a bevel gear B9, a driving shaft 10 and a driving motor 11. The bevel gear A8 is fixedly sleeved on the main shaft 1, and the bevel gear A8 is meshed with the bevel gear B9. The bevel gear B9 is fixedly installed on the driving shaft 10. The driving shaft 10 is rotatably installed on the fixed frame 5. The input end of the driving shaft 10 is connected to the driving motor 11, and the driving motor 11 is fixedly installed on the fixed frame 5. When the main shaft 1 is driven to rotate, the driving motor 11 is turned on, and the driving motor 11 drives the bevel gear A8 to rotate through the driving shaft 10, and the bevel gear A8 drives the tool sleeve 2 to drive the milling cutter 3 to rotate through the main shaft 1; the rotation of the milling cutter 3 is convenient.

[0023] like Figure 1 and Figure 3 The cooling mechanism includes a rotating mechanism, a discharge pipe 12, a spraying pipe 13, an air jet pipe 14, a delivery pipe 15, a water delivery pipe 16, an air delivery pipe 17, a hose A18 and a hose B19. The discharge pipe 12 is mounted on the fixed frame 5 through the rotating mechanism. The rotating mechanism is used to rotate the discharge pipe 12. The air jet pipe 14 and the spraying pipe 13 are respectively mounted on the upper and lower parts of the discharge pipe 12. The air jet pipe 14 and the spraying pipe 13 are both connected to the discharge pipe 12. A nozzle is arranged on the spraying pipe 13. There is an air blowing pipe, the output end of the delivery pipe 15 is connected to the discharge pipe 12, the output ends of the water pipe 16 and the air pipe 17 are connected to the delivery pipe 15, the input end of the water pipe 16 is connected to the hose B19, the input end of the air pipe 17 is connected to the hose A18, and valves are provided on the spray pipe 13, the jet pipe 14, the water pipe 16 and the air pipe 17; the input end of the hose A18 is connected to the external cooling fan, and the input end of the hose B19 is connected to the external water supply pump. When the milling cutter 3 is used to cut the workpiece During milling, when it is necessary to use water cooling to cool the milling cutter 3 and the workpiece, close the valves on the air pipe 17 and the jet pipe 14, open the valves on the water pipe 16 and the spray pipe 13, and then turn on the water supply pump to allow the external water to be sprayed onto the workpiece and the milling cutter 3 through the hose B19, the water pipe 16, the delivery pipe 15, the discharge pipe 12 and the spray pipe 13 in sequence to cool the workpiece and the milling cutter 3; when it is necessary to use air cooling to cool the workpiece and the milling cutter 3, the rotating mechanism Rotate the exhaust pipe 12, rotate the jet pipe 14 to the lower side of the exhaust pipe 12, align the air pipe on the jet pipe 14 with the milling cutter 3, then close the valves on the water pipe 16 and the spray pipe 13, open the valves on the air pipe 17 and the jet pipe 14, and then turn on the air cooler to blow cold air onto the milling cutter 3 and the workpiece through the hose A18, the air pipe 17, the delivery pipe 15, the exhaust pipe 12 and the jet pipe 14 in sequence, so that the cold air can cool the workpiece; this facilitates the cooling of the milling cutter 3 and the workpiece.

[0024] like Figure 3 The rotating mechanism includes a servo motor 20 and a rotating shaft 21. The servo motor 20 is fixedly mounted on the fixed frame 5. The rotating shaft 21 is rotatably mounted on the fixed frame 5. The input end of the rotating shaft 21 is connected to the servo motor 20. The left end of the rotating shaft 21 is fixedly connected to the discharge pipe 12. When the milling cutter 3 needs to be cooled by rotating the appropriate cooling method as required, the servo motor 20 is turned on. The servo motor 20 rotates the discharge pipe 12 through the rotating shaft 21. The discharge pipe 12 drives the air jet pipe 14 and the spray pipe 13 to rotate, so that the air jet pipe 14 or the spray pipe 13 is aligned with the milling cutter 3. This facilitates the cooling of the milling cutter 3. The milling cutter 3 can be cooled by selecting an appropriate cooling method as required, which improves convenience. Protective covers are provided on the drive motor 11 and the servo motor 20.

[0025] Example 2

[0026] On the basis of Example 1, a waterproof lighting lamp is further provided at the lower end of the fixing frame 5; through the above arrangement, the vicinity of the milling cutter 3 is brighter, which facilitates observation during the processing and improves convenience.

[0027] The milling cutter 3, electric slide rail 7, bevel gear A8, drive motor 11, spray pipe 13, air jet pipe 14, air pipe 17, hose B19 and servo motor 20 of the milling head rotating device for CNC gantry machining center of the utility model are all purchased on the market. The technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A milling head rotating device for a CNC gantry machining center, comprising a spindle (1), a tool sleeve (2) and a milling cutter (3), wherein the tool sleeve (2) is mounted on the lower end of the spindle (1), a drill clamp is provided at the lower end of the tool sleeve (2), and the milling cutter (3) is fixedly mounted on the tool sleeve (2) by the drill clamp; characterized in that: The invention also comprises a slider (4), a fixed frame (5), a driving mechanism, a moving mechanism and a cooling mechanism, wherein the slider (4) is mounted on the moving mechanism, the moving mechanism is used to move the slider (4), the fixed frame (5) is fixedly mounted on the slider (4), the main shaft (1) is rotatably mounted on the slider (4) and the fixed frame (5), the driving mechanism is mounted on the fixed frame (5), the driving mechanism is used to drive the main shaft (1) to rotate, and the cooling mechanism is mounted on the fixed frame (5), the cooling mechanism has a cooling function.

2. A milling head rotating device for a CNC gantry machining center as claimed in claim 1, characterized in that: The moving mechanism comprises a fixed plate (6) and an electric slide rail (7), wherein the electric slide rail (7) is fixedly mounted on the lower end of the fixed plate (6), and the slider (4) is mounted on the electric slide rail (7) so as to slide left and right, and the electric slide rail (7) is used to move the slider (4) left and right.

3. A milling head rotating device for a CNC gantry machining center as claimed in claim 1, characterized in that: The driving mechanism comprises a bevel gear A (8), a bevel gear B (9), a driving shaft (10) and a driving motor (11); the bevel gear A (8) is fixedly sleeved on the main shaft (1); the bevel gear A (8) is meshed with the bevel gear B (9); the bevel gear B (9) is fixedly mounted on the driving shaft (10); the driving shaft (10) is rotatably mounted on the fixed frame (5); the input end of the driving shaft (10) is connected to the driving motor (11); and the driving motor (11) is fixedly mounted on the fixed frame (5).

4. A milling head rotating device for a CNC gantry machining center as claimed in claim 3, characterized in that: The cooling mechanism comprises a rotating mechanism, a discharge pipe (12), a spray pipe (13), an air jet pipe (14), a delivery pipe (15), a water delivery pipe (16), an air delivery pipe (17), a hose A (18) and a hose B (19); the discharge pipe (12) is mounted on a fixed frame (5) via the rotating mechanism; the rotating mechanism is used to rotate the discharge pipe (12); the air jet pipe (14) and the spray pipe (13) are respectively mounted on the upper and lower parts of the discharge pipe (12); the air jet pipe (14) and the spray pipe (13) are both connected to the discharge pipe The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16). The water supply pipe (16) and the air supply pipe (17) are connected to each other through the water supply pipe (16).

5. A milling head rotating device for a CNC gantry machining center as claimed in claim 4, characterized in that: The rotating mechanism comprises a servo motor (20) and a rotating shaft (21); the servo motor (20) is fixedly mounted on the fixed frame (5); the rotating shaft (21) is rotatably mounted on the fixed frame (5); the input end of the rotating shaft (21) is connected to the servo motor (20); and the left end of the rotating shaft (21) is fixedly connected to the discharge pipe (12).

6. A milling head rotating device for a CNC gantry machining center as claimed in claim 5, characterized in that: The driving motor (11) and the servo motor (20) are both provided with protective covers.

7. The milling head rotating device for a CNC gantry machining center as claimed in claim 1, characterized in that: A waterproof lighting lamp is arranged at the lower end of the fixing frame (5).

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