New energy impeller taper ball end finish milling cutter with inner cooling through hole

Abstract

The utility model discloses a new energy impeller taper ball end finish milling cutter with an inner cooling through hole, which comprises a cutter handle, a conical cutter head is arranged at the lower end of the cutter handle, a plurality of cutter grooves are arranged in the conical outer wall of the conical cutter head, cutter point shovel backs are arranged on the left side and the right side of the lower end of the conical cutter head, and the cutter point shovel backs are provided with inner cooling through holes. The new energy impeller taper ball head finish milling cutter integrating the inner cooling through hole, the cutter handle and the conical cutter head is designed, efficient cooling, lubricating and chip removal are achieved, a flow regulating valve and a linkage mechanism thereof are introduced, centrifugal force generated by rotation of the cutter is responded through a deflection plate and a deflection spring, and the inner cooling through hole is formed in the cutter handle. The cutting fluid flow is automatically adjusted, different machining conditions are adapted, a flow adjusting sliding head and a flow adjusting spring are arranged, the position can be automatically adjusted, the cutting fluid flow is increased, blockage is effectively cleared away, and machining continuity and stability are guaranteed when the flow speed of the cutting fluid is decreased or a cutter groove is blocked.

Description

Technical Field

[0001] The utility model belongs to the technical field related to new energy impeller processing, and specifically relates to a new energy impeller taper ball end precision milling cutter with an inner cooling through hole. Background Art

[0002] In the field of new energy, especially in the wind power generation and electric vehicle industries, impellers are one of the core components, and their manufacturing process directly affects the overall performance and efficiency of the equipment. Traditional impeller processing technology mainly uses ordinary milling methods. Traditional milling cutters, when running at high speed for a long time, will cause the tool temperature to rise sharply, which can easily cause accelerated tool wear. In severe cases, it can even lead to tool failure, affecting processing accuracy and product quality. The complex geometry of the impeller increases the difficulty of chip removal, especially in narrow gaps. Chips are difficult to remove in a timely manner, which can easily cause vibration and secondary damage, further exacerbating tool wear. In order to maintain the working condition of the tool, a large amount of cutting fluid is usually required. However, the lack of effective flow control means that a large amount of cutting fluid is often lost without being fully utilized, which is neither economical nor environmentally friendly. In the face of emergencies such as tool blockage, traditional processing methods rely on manual inspection and manual adjustment, which seriously affects production efficiency and cost control.

[0003] Given this backdrop, existing technologies are in urgent need of improvement. While existing solutions on the market partially address cooling and chip removal, they generally lack intelligent adjustment mechanisms, are unable to automatically optimize cutting fluid flow based on real-time machining conditions, and are unable to effectively address unexpected tool slot blockages.

[0004] To this end, this patent aims to provide a new energy impeller taper ball end milling cutter with an integrated internal cooling system and adaptive flow control, aiming to solve the problems of cutting heat management, low chip removal efficiency, resource waste and insufficient automation in traditional machining, in order to achieve higher quality and higher efficiency machining goals. Utility Model Content

[0005] The purpose of this utility model is to provide a new energy impeller tapered ball end precision milling cutter with an internal cooling hole, so as to solve the problems of poor cutting thermal management, low chip removal efficiency and waste of resources in traditional milling cutter processing proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a new energy impeller taper ball end finishing milling cutter with an internal cooling hole, comprising a tool holder, a tapered conical cutter head is provided at the lower end of the tool holder, a plurality of tool grooves are provided inside the conical outer wall of the conical cutter head, and a tool tip shovel is provided on both the left and right sides of the lower end of the conical cutter head. A main internal cooling hole is penetrated upward from the inside of the upper end of the tool holder, and branch internal cooling holes are connected to the left and right sides of the lower end of the main internal cooling hole, and the lower ends of the two branch internal cooling holes respectively penetrate the inner walls of the two tool tip shovels.

[0007] Preferably, a communication chamber is provided at the junction of the main inner cooling through hole and the two sub-inner cooling through holes, a limiting axis is provided at the center of the inner wall of the lower end of the communication chamber, and the limiting axis is located between the two sub-inner cooling through holes.

[0008] Preferably, the limiting shaft is externally rotatably connected to a flow regulating valve, and the flow regulating valve is rotatably connected to the inside of the communicating chamber, the left and right ends of the flow regulating valve are fixedly connected to deflection plates, and the front and rear ends of the communicating chamber are internally fixedly connected to limiting plates.

[0009] Preferably, deflection slide bars are provided inside both left and right ends of the communicating chamber, and the two deflection slide bars are respectively connected to the left and right ends of the two limiting plates and respectively pass through the inside of the two deflection plates.

[0010] Preferably, the deflection slide rod is slidably connected to the inside of the deflection plate, deflection springs are respectively provided between the front and rear ends of the deflection plate and the two limit plates, and the two deflection springs are both sleeved on the outside of the deflection slide rod.

[0011] Preferably, a spring seat is fixedly connected to the upper end of the limiting shaft, a flow regulating ring is fixedly connected to the lower side of the inner wall of the main inner cooling hole, and the flow regulating ring is located on the upper side of the connecting chamber, a flow regulating slide is passed through the center of the flow regulating ring from top to bottom, and the flow regulating slide is slidably connected to the inside of the flow regulating ring.

[0012] Preferably, a plurality of flow regulating holes are opened inside the cylindrical side wall of the flow regulating slider, and the plurality of flow regulating holes are connected to the interior of the flow regulating slider. A flow regulating spring is provided inside the lower end of the flow regulating slider, and is elastically connected to the interior of the flow regulating ring through the flow regulating spring, and the lower end of the flow regulating spring is located inside the upper end of the spring seat.

[0013] Compared with the existing technology, the utility model provides a new energy impeller taper ball end milling cutter with an internal cooling hole, which has the following beneficial effects:

[0014] 1. Integrated internal coolant system: A new energy impeller taper ball end milling cutter is designed that integrates the internal coolant through hole with the tool holder and tapered tool head to achieve efficient cooling, lubrication and chip removal.

[0015] 2. Dynamic flow control system: A flow regulating valve and its linkage mechanism are introduced to respond to the centrifugal force generated by the rotation of the tool through the deflection plate and deflection spring, automatically adjusting the cutting fluid flow to adapt to different processing conditions.

[0016] 3. Adaptive blockage response mechanism: The flow regulating slider and flow regulating spring are set to automatically adjust the position when the cutting fluid flow rate decreases or the tool groove is blocked, increase the cutting fluid flow, effectively clear the blockage, and ensure processing continuity and stability.

[0017] 4. Optimized structural layout and material selection: The multi-groove design of the tapered cutter head enhances chip removal capability and cutting stability. The internal coolant holes are precisely connected to the back of the tool tip to ensure that the cutting fluid reaches the key parts directly for instant cooling and lubrication. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the tapered ball end finishing milling cutter of the present utility model.

[0019] Figure 2 This is a schematic diagram of the three-dimensional cross-sectional structure of the tapered ball end finishing milling cutter of the present invention.

[0020] Figure 3 For the utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0021] Figure 4 This is a schematic diagram of the connecting structure of the communicating chambers of the present invention.

[0022] Figure 5 This is a schematic diagram of the flow regulating slider connection structure of the utility model.

[0023] In the figure: 1. Tool handle; 2. Conical tool head; 3. Tool groove; 4. Tool tip scraping back; 5. Main inner cooling hole; 6. Sub-inner cooling hole; 7. Connecting chamber; 8. Limiting shaft; 9. Flow regulating valve; 10. Deflection plate; 11. Limiting plate; 12. Deflection slide; 13. Deflection spring; 14. Spring seat; 15. Flow regulating ring; 16. Flow regulating slide; 17. Flow regulating hole; 18. Flow regulating spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] The utility model provides Figure 1-Figure 5The new energy impeller taper ball end milling cutter with an inner cooling hole shown in the figure comprises a tool handle 1, a tapered tapered cutter head 2 is provided at the lower end of the tool handle 1, a plurality of tool grooves 3 are provided inside the tapered outer wall of the tapered cutter head 2, a tool tip shovel back 4 is provided on both the left and right sides of the lower end of the tapered cutter head 2, a main inner cooling hole 5 is passed upwardly through the interior of the upper end of the tool handle 1, and the left and right sides of the lower end of the main inner cooling hole 5 are connected to the sub-inner cooling holes 6, and the lower ends of the two sub-inner cooling holes 6 are respectively passed through the outer walls of the two tool tip shovel backs 4, the new energy impeller The processing is performed by a tapered ball end finishing milling cutter, and during the processing, the tapered ball end finishing milling cutter can transport the cutting fluid to the two tool tip shovel backs 4 through the main internal cooling hole 5 and the two sub-internal cooling holes 6, which can not only cool the tapered ball end finishing milling cutter, but also lubricate the cutting position and bring the cut chips out of the cutting position, so that the tapered ball end finishing milling cutter can be internally cooled through the main internal cooling hole 5 and the two sub-internal cooling holes 6, thereby improving its service life and improving the processing efficiency and processing quality through the action of the cutting fluid.

[0026] Preferably, a connecting chamber 7 is provided at the junction of the main inner cooling hole 5 and the two sub-inner cooling holes 6, a limiting shaft 8 is provided at the center of the inner wall of the lower end of the connecting chamber 7, and the limiting shaft 8 is located between the two sub-inner cooling holes 6, the limiting shaft 8 is externally connected to a flow regulating valve 9 for rotation, and the flow regulating valve 9 is rotatably connected to the inside of the connecting chamber 7, the left and right ends of the flow regulating valve 9 are fixedly connected to a deflection plate 10, the front and rear ends of the connecting chamber 7 are fixedly connected to the limiting plate 11, and the left and right ends of the connecting chamber 7 are internally provided with a deflection slide rod 12, and the two deflection slide rods 12 are respectively connected to the left and right ends of the two limit plates 11, and respectively pass through the inside of the two deflection plates 10, the deflection slide rod 12 is slidably connected to the inside of the deflection plate 10, and the front and rear ends of the deflection plate 10 are respectively provided with deflection springs 13 between the two limit plates 11, and the two deflection springs 13 are both sleeved on the outside of the deflection slide rod 12. In the process of machining the new energy impeller, when the tapered ball end milling cutter rotates, the flow regulating valve 9 and the deflection plates at both ends are rotated. The two inner cooling holes 6 are connected to the main inner cooling hole 5, so that the cutting fluid can be smoothly discharged for cooling, lubrication and chip removal. The angle of deviation of the regulating valve 9 and the two deflection plates 10 from the upper ends of the two inner cooling holes 6 can be automatically adjusted according to the rotation speed of the tapered ball end finishing milling cutter under the balance of the deflection spring 13. The faster the rotation speed of the tapered ball end finishing milling cutter, the greater the deviation angle of the regulating valve 9, the larger the connecting opening of the two inner cooling holes 6 and the main inner cooling hole 5, and the more cutting fluid is delivered, so that more cutting fluid is provided when the tapered ball end finishing milling cutter is cutting quickly, avoiding damage caused by excessive cutting fluid temperature. On the contrary, the less cutting fluid is provided, avoiding waste of cutting fluid. The tapered ball end finishing milling cutter can automatically adjust the cutting fluid flow rate by regulating the flow valve 9 and the deflection spring 13 in coordination with the rotation speed.

[0027] Preferably, the upper end of the limiting shaft 8 is fixedly connected to a spring seat 14, and the lower side of the inner wall of the main inner cooling hole 5 is fixedly connected to a flow regulating ring 15, and the flow regulating ring 15 is located on the upper side of the connecting chamber 7, and a flow regulating slider 16 is passed through the center of the flow regulating ring 15 from top to bottom, and the flow regulating slider 16 is slidably connected to the inside of the flow regulating ring 15, and a plurality of flow regulating holes 17 are opened inside the cylindrical side wall of the flow regulating slider 16, and the plurality of flow regulating holes 17 are connected to the inside of the flow regulating slider 16, and a flow regulating spring 18 is provided inside the lower end of the flow regulating slider 16, and is elastically connected to the inside of the flow regulating ring 15 through the flow regulating spring 18, and the lower end of the flow regulating spring 18 is located inside the upper end of the spring seat 14. In the process of the cutting fluid bringing the cutting debris out of the cutting position, the cutting fluid will generate liquid pressure on the flow regulating slider 16 when flowing downward, and the flow regulating slider 16 can be driven to slide downward by the liquid pressure. The adjusting spring 18 moves and forms a balance with the flow regulating spring 18. Therefore, when the cutting fluid is provided smoothly, the position of the flow regulating slide 16 does not move. When the cutting debris is blocked in the tool groove 3, the flow of the cutting fluid is blocked, reducing the flow rate of the cutting fluid, and reducing the downward flow pressure of the cutting fluid on the flow regulating slide 16. The flow regulating slide 16 slides upward under the action of the flow regulating spring 18, allowing the flow regulating hole 17 to protrude more on the upper side of the flow regulating ring 15, so that the cutting fluid inside the main inner cooling hole 5 can pass through multiple flow regulating holes 17 to enter the two sub-inner cooling holes 6, providing more cutting fluid, thereby impacting the cutting debris blocked in the tool groove 3, allowing the cutting debris to be more easily discharged from the tool groove 3 to avoid blockage. When the blockage is cleared, the flow rate of the cutting fluid returns to normal speed again, and the flow regulating slide 16 returns to its original position again.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A new energy impeller taper ball end milling cutter with an inner cooling hole, characterized in that: The utility model comprises a tool handle (1), wherein a conical conical tool head (2) is provided at the lower end of the tool handle (1), a plurality of tool grooves (3) are provided inside the conical outer wall of the conical tool head (2), a tool tip shovel (4) is provided on both the left and right sides of the lower end of the conical tool head (2), a main inner cooling hole (5) is passed upward through the inner part of the upper end of the tool handle (1), and a sub-inner cooling hole (6) is connected to the left and right sides of the lower end of the main inner cooling hole (5), and the lower ends of the two sub-inner cooling holes (6) are respectively passed through the inner sides of the outer walls of the two tool tip shovels (4).

2. The new energy impeller taper ball end finishing milling cutter with an inner cooling hole according to claim 1 is characterized in that: A connecting chamber (7) is provided at the junction of the main inner cooling hole (5) and the two sub-inner cooling holes (6), a limiting axis (8) is provided at the center of the inner wall of the lower end of the connecting chamber (7), and the limiting axis (8) is located between the two sub-inner cooling holes (6).

3. The new energy impeller taper ball end finishing milling cutter with an inner cooling hole according to claim 2 is characterized in that: The limiting shaft (8) is externally rotatably connected to a flow regulating valve (9), and the flow regulating valve (9) is rotatably connected to the interior of the communication chamber (7). The left and right ends of the flow regulating valve (9) are fixedly connected to deflection plates (10), and the interior of the front and rear ends of the communication chamber (7) are fixedly connected to limiting plates (11).

4. The new energy impeller taper ball end finishing milling cutter with an inner cooling hole according to claim 3 is characterized in that: Deflection slide bars (12) are provided inside the left and right ends of the communication chamber (7), and the two deflection slide bars (12) are respectively connected to the left and right ends of the two limit plates (11) and respectively pass through the inside of the two deflection plates (10).

5. The new energy impeller taper ball end finishing milling cutter with an inner cooling hole according to claim 4 is characterized in that: The deflection slide rod (12) is slidably connected to the inside of the deflection plate (10), and deflection springs (13) are respectively provided between the front and rear ends of the deflection plate (10) and the two limit plates (11), and the two deflection springs (13) are both sleeved on the outside of the deflection slide rod (12).

6. The new energy impeller taper ball end finishing milling cutter with an inner cooling through hole according to claim 5, characterized in that: The upper end of the limiting shaft (8) is fixedly connected to a spring seat (14), the lower side of the inner wall of the main inner cooling hole (5) is fixedly connected to a flow regulating ring (15), and the flow regulating ring (15) is located on the upper side of the connecting chamber (7), and a flow regulating slide (16) passes through the center of the flow regulating ring (15) from top to bottom, and the flow regulating slide (16) is slidably connected to the inside of the flow regulating ring (15).

7. The new energy impeller taper ball end finishing milling cutter with an inner cooling hole according to claim 6, characterized in that: A plurality of flow regulating holes (17) are provided inside the cylindrical side wall of the flow regulating slide (16), and the plurality of flow regulating holes (17) are communicated with the inside of the flow regulating slide (16). A flow regulating spring (18) is provided inside the lower end of the flow regulating slide (16), and is elastically connected to the inside of the flow regulating ring (15) through the flow regulating spring (18), and the lower end of the flow regulating spring (18) is located inside the upper end of the spring seat (14).

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