A milling cutter disc for titanium plate processing

Abstract

The application relates to a milling cutter head for titanium plate processing. The milling cutter head comprises a cutter body, a liquid storage sleeve, a cutter head and a liquid delivery assembly, the cutter body is internally provided with a first liquid storage cavity; the liquid storage sleeve is sleeved on the cutter body and is communicated with the first liquid storage cavity; the cutter head is connected to an axial end of the cutter body, the cutter head is internally provided with a second liquid storage cavity, the second liquid storage cavity is communicated with the first liquid storage cavity, a plurality of cutters are connected to the cutter head in a circumferential direction, the circumferential surface of the cutter head is provided with a plurality of through holes, at least one through hole is arranged between two adjacent cutters; the liquid delivery assembly and the through holes are arranged in one-to-one correspondence, the liquid delivery assembly comprises a fixed sleeve and a sliding sleeve, the fixed sleeve is connected into the corresponding through hole, the sliding sleeve is slidingly arranged in the fixed sleeve, the axial inner end of the sliding sleeve is communicated with the first liquid storage cavity, and the axial outer end of the sliding sleeve is provided with a spraying opening. The moving distance of the sliding sleeve of the milling cutter head in the fixed sleeve can be self-adapted to the rotating speed of the cutter head, so that the stability of the cooling and lubrication can be maintained.

Description

Technical Field

[0001] This application belongs to the field of intelligent machining technology, specifically relating to a milling cutter disc for machining titanium plates. Background Technology

[0002] In the process of workpiece processing, some processing tools are often used, such as ball cutters, milling cutters, thread cutters, etc. Among them, milling cutters are often used to mill the surface of workpieces (titanium plates) so that the shape of the workpiece can meet the requirements.

[0003] When machining a workpiece, the cutting tool rotates rapidly to mill the excess parts on the surface of the part. However, during the milling process, the cutting tool is easily worn due to the rapid friction between the cutting tool and the workpiece, resulting in a reduced service life.

[0004] To address this technical problem, related technologies involve manually adding cutting fluid to the surface of the milling cutter before or after milling the workpiece. However, this method can only be performed after the milling cutter stops rotating, and lubricating oil cannot be added during the milling process. As a result, tool wear remains quite severe, leaving room for improvement. Summary of the Invention

[0005] In view of the above-mentioned technical problems, this application provides a milling cutter head for machining titanium plates, so as to improve the wear phenomenon of cutting tools to a certain extent.

[0006] This application is achieved through the following technical solution: A milling cutter disc for processing titanium plates, the milling cutter disc comprising: a cutter body having a first liquid storage cavity built into the cutter body; a liquid storage sleeve fitted onto the cutter body and communicating with the first liquid storage cavity; a cutter head connected to one axial end of the cutter body, the cutter head having a second liquid storage cavity built into the cutter head and communicating with the first liquid storage cavity, a plurality of cutting tools circumferentially spaced on the cutter head, a communicating hole provided on the circumferential surface of the cutter head, and at least one communicating hole provided between two adjacent cutting tools; and an infusion assembly corresponding to each of the communicating holes, the infusion assembly comprising a fixed sleeve and a sliding sleeve, the fixed sleeve being connected to the corresponding communicating hole, the sliding sleeve being slidably disposed within the fixed sleeve, the inner axial end of the sliding sleeve communicating with the first liquid storage cavity, and a spray port provided at the outer axial end of the sliding sleeve.

[0007] In some embodiments, the inner wall of the fixed sleeve is provided with a first retaining ring and a second retaining ring spaced apart along the axial direction; the outer peripheral wall of the sliding sleeve is connected to a limiting ring, which can reciprocate between the first retaining ring and the second retaining ring.

[0008] In some embodiments, a counterweight sleeve is connected to the peripheral outer wall of the sliding sleeve, and the counterweight sleeve is disposed on the axial outer side of the fixed sleeve.

[0009] In some embodiments, the infusion assembly further includes a reset member, one end of which is connected to the counterweight sleeve and the other end of which is connected to the fixing sleeve.

[0010] In some embodiments, the reset member includes: a positioning sleeve connected to the peripheral outer wall of the sliding sleeve and disposed between the counterweight sleeve and the fixed sleeve, wherein the side wall of the positioning sleeve is provided with a through guide channel; a spring built into the guide channel; a first plate having a first end and a second end opposite to each other, wherein the first end of the first plate is connected to one end of the spring and the second end of the first plate is connected to the fixed sleeve; and a second plate having a first end and a second end opposite to each other, wherein the first end of the first plate is connected to the other end of the spring and the second end of the second plate is connected to the counterweight sleeve.

[0011] In some implementations, a liquid level sensor is provided inside the liquid storage sleeve.

[0012] In some implementations, the blade head is provided with a plurality of grooves spaced apart circumferentially, and the connecting hole and the groove are provided in a one-to-one correspondence. The connecting hole is opened at the bottom of the corresponding groove, and the axial outer end of the infusion assembly is disposed in the corresponding groove.

[0013] In some embodiments, the milling cutter disc further includes an opening and closing assembly, which includes: a retaining ring connected to the axial inner end of the retaining sleeve; multiple opening and closing plates, which are rotatably connected to the retaining ring; and a connecting member corresponding to each of the opening and closing plates, one end of which is connected to the sliding sleeve and the other end of which is connected to the corresponding opening and closing plate.

[0014] In some implementations, the connector is a rod-shaped structure.

[0015] In some embodiments, the inner side of the hinge plate is rotatably connected to the fixed ring by a hinge, which is a damped hinge.

[0016] The milling cutter disc for titanium plate processing provided in this application relates to the intelligent manufacturing equipment industry. The milling cutter disc includes a cutter body and a cutter head. The cutter head is connected to one axial end of the cutter body, and multiple cutting tools are circumferentially spaced on the cutter head. Driven by a milling machine, the cutter body drives the cutter head to rotate synchronously, allowing the multiple cutting tools on the cutter head to mill the surface of the workpiece, thus enabling the workpiece to meet the required shape. Since the cutter body has a built-in first fluid storage chamber, and the cutter head has a built-in second fluid storage chamber, a fluid storage sleeve is fitted onto the cutter body. The fluid storage sleeve connects to the first fluid storage chamber, and the second fluid storage chamber connects to the first fluid storage chamber. Therefore, the cutting fluid stored in the fluid storage sleeve can flow from the first fluid storage chamber inside the cutter body to the second fluid storage chamber in the cutter head. Furthermore, since the cutter head has multiple connecting holes on its circumferential surface, the fixed sleeve of the fluid delivery assembly is connected to the corresponding connecting hole, and the sliding sleeve is set inside the fixed sleeve. The inner axial end of the sliding sleeve is connected to the first fluid storage chamber, and the outer axial end of the sliding sleeve is provided with a spray nozzle. Under the centrifugal action of the high-speed rotation of the cutter head, the cutting fluid in the second fluid storage chamber can be thrown out through the spray nozzle of the sliding sleeve onto the machining surface of the workpiece, thereby achieving online lubrication and cooling of the cutting tool during the operation of the milling cutter head, reducing tool wear during use, and extending the tool's service life.

[0017] Furthermore, since the sliding sleeve is slidably disposed within the fixed sleeve, during the milling process, when the milling cutter head rotates at high speed, under the centrifugal force of a higher rotational speed, the sliding sleeve moves towards the axial outer end of the fixed sleeve. This allows the spray nozzle of the sliding sleeve to be closer to the workpiece's machining surface, enabling the cutting fluid to penetrate closely to the machining surface and ensuring effective cooling and lubrication of the tool. If the cutting tool's rotational speed decreases, the extent of the sliding sleeve's movement towards the axial outer end of the fixed sleeve decreases, causing the spray nozzle of the sliding sleeve to move away from the workpiece's machining surface. This avoids the problem of the cutting fluid splashing off the milling zone due to the sliding sleeve being too close to the workpiece, and the problem of uneven lubrication caused by excessive fluid concentration. In other words, the sliding sleeve of the milling cutter head provided in this application can adapt to the rotational speed of the cutting tool to maintain the stability of cooling and lubrication, demonstrating excellent practicality. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying 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.

[0019] Figure 1 A schematic diagram of the structure of a milling cutter 10 for machining titanium plates according to one or more embodiments of this application is shown; Figure 2 It shows Figure 1 Enlarged view of point A; Figure 3 It shows Figure 1 A schematic diagram of the structure of the infusion assembly 400 in the middle; Figure 4 It shows Figure 3 Another structural diagram from another perspective; Figure 5 It shows Figure 3 An explosion diagram; Figure 6 A schematic diagram of the structure of the fixing sleeve 410 is shown; Figure 7 A schematic diagram of the relevant components on the sliding sleeve 420 is shown; Figure 8 It shows Figure 7 Enlarged view of point B; Figure 9 A schematic diagram of the opening and closing component 600 is shown.

[0020] Explanation of reference numerals in the attached figures: 10. Milling cutter head; 100. Cutter body; 200. Liquid reservoir sleeve; 210. Cover plate; 220. Air inlet valve; 300. Cutter head; 310. Connecting hole; 320. Groove; 400. Infusion assembly; 410. Fixing sleeve; 420. Sliding sleeve; 421. Spray nozzle; 430. First retaining ring; 440. Second retaining ring; 450. Limiting ring; 460. Counterweight sleeve; 470. Reset component; 471. Positioning sleeve; 472. Spring; 473. First plate; 474. Second plate; 475. Guide channel; 500. Cutting tool; 600. Opening and closing assembly; 610. Fixing ring; 620. Opening and closing plate; 630. Connecting component; 640. Hinge component. Detailed Implementation

[0021] To enable those skilled in the art to more clearly understand this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0022] Figure 1 A schematic diagram of the structure of a milling cutter 10 for machining titanium plates according to one or more embodiments of this application is shown. Figure 2 It shows Figure 1 A magnified diagram of point A. Combined with... Figure 1 as well as Figure 2The milling cutter 10 for titanium plate processing provided in this application includes a cutter body 100, a liquid storage sleeve 200, a cutter head 300, and a liquid delivery assembly 400. The cutter body 100 has a first liquid storage cavity built in it; the liquid storage sleeve 200 is sleeved on the cutter body 100 and communicates with the first liquid storage cavity; the cutter head 300 is connected to one axial end of the cutter body 100 and has a second liquid storage cavity built in it, which communicates with the first liquid storage cavity; the cutter head 300 is circumferentially spaced and connected to... There are multiple cutting tools 500, and the peripheral surface of the cutting tool 300 is provided with multiple connecting holes 310; the infusion assembly 400 and the connecting holes 310 are provided one-to-one. The infusion assembly 400 includes a fixed sleeve 410 and a sliding sleeve 420. The fixed sleeve 410 is connected to the corresponding connecting hole 310, and the sliding sleeve 420 is slidably disposed in the fixed sleeve 410. The inner axial end of the sliding sleeve 420 is connected to the first liquid storage chamber, and the outer axial end of the sliding sleeve 420 is provided with a spray port 421.

[0023] The milling cutter disc 10 for titanium plate processing provided in this application includes a cutter body 100 and a cutter head 300. The cutter head 300 is connected to one axial end of the cutter body 100, and multiple cutting tools 500 are circumferentially connected to the cutter head 300. The cutter body 100 can drive the cutter head 300 to rotate synchronously under the drive of the milling machine, so that the surface of the workpiece can be milled by the multiple cutting tools 500 on the cutter head 300, thereby enabling the workpiece shape to meet the requirements. Since the cutter body 100 has a first liquid storage chamber and the cutter head 300 has a second liquid storage chamber, and the liquid storage sleeve 200 is sleeved on the cutter body 100, the liquid storage sleeve 200 is connected to the first liquid storage chamber, and the second liquid storage chamber is connected to the first liquid storage chamber, the cutting fluid stored in the liquid storage sleeve 200 can flow through the first liquid storage chamber in the cutter body 100 to the second liquid storage chamber in the cutter head 300. Furthermore, since the cutter head 300 has multiple connecting holes 310 on its circumferential surface, the fixed sleeve 410 of the fluid delivery assembly 400 is connected to the corresponding connecting hole 310, and the sliding sleeve 420 is disposed in the fixed sleeve 410. The inner axial end of the sliding sleeve 420 is connected to the first fluid storage chamber, and the outer axial end of the sliding sleeve 420 is provided with a spray nozzle 421. Under the centrifugal action of the high-speed rotation of the cutter head 300, the cutting fluid in the second fluid storage chamber can be thrown out through the spray nozzle 421 of the sliding sleeve 420 onto the machining surface of the workpiece, thereby realizing online lubrication and cooling of the tool 500 when the milling cutter disc 10 is working, so as to reduce the wear of the tool 500 during use and extend the service life of the tool 500.

[0024] When the milling cutter 10 is milling, in order for the cutting fluid to fully exert its cooling and lubricating effects, the cutting fluid needs to have high penetrating power to quickly reach the milling point between the tool 500 and the workpiece, effectively reducing the temperature of the tool 500, reducing tool sticking during machining, and promptly flushing away chips. If the distance between the spray nozzle 421 of the sliding sleeve 420 and the workpiece machining surface is fixed, the cutting fluid cannot adaptively adjust according to changes in milling speed. This results in the cutting fluid, due to the greater distance, not reaching the milling point with sufficient pressure and accuracy during high-speed milling, significantly reducing the cooling and lubrication effect, accelerating tool wear, and making it difficult to guarantee the quality of the machined surface. Conversely, when the milling speed decreases, if the distance between the spray nozzle 421 of the sliding sleeve 420 and the workpiece machining surface is fixed, the milling force is relatively small due to the reduced milling speed. If the spray nozzle 421 is still too close to the milling point of the workpiece, the cutting fluid is prone to splashing off the milling area due to issues with spray pressure and angle, failing to effectively act on the milling point and wasting the cutting fluid. Meanwhile, excessively concentrated fluid flow may also cause uneven local lubrication, leading to increased local wear of the tool 500 and affecting its service life and machining accuracy.

[0025] Based on this, this application slidably positions the sliding sleeve 420 within the fixed sleeve 410. When the milling cutter 10 executes a milling program, under the condition of high-speed rotation of the milling cutter 10 and the centrifugal force at a higher rotational speed, the sliding sleeve 420 moves towards the axial outer end of the fixed sleeve 410. This allows the spray nozzle 421 of the sliding sleeve 420 to be closer to the workpiece's machining surface, enabling the cutting fluid to penetrate closely to the machining surface and ensuring the cooling and lubrication effect on the tool 500. If the rotational speed of the tool head 300 decreases, the range of movement of the sliding sleeve 420 towards the axial outer end of the fixed sleeve 410 decreases, so that the spray nozzle 421 of the sliding sleeve 420 is further away from the workpiece's machining surface. This avoids the problem that the cutting fluid might splash off the milling area if the sliding sleeve 420 is too close to the workpiece, or that the fluid flow might be too concentrated, causing uneven local lubrication. In other words, the sliding sleeve 420 of the milling cutter 10 provided in this application can adapt to the rotational speed of the tool head 300 to maintain the stability of cooling and lubrication, and has good practicality. The specific details of the milling cutter head 10 are now described in further detail with reference to the accompanying drawings.

[0026] In some embodiments, the top end of the cutter body 100 is connected to the output shaft of the milling machine, the top end of the cutter body 100 is connected to the cutter head 300, and the cutter body 100 is provided with a cutting tool 500. When the milling machine is working, the cutter body 100 drives the entire milling cutter disc 10 to rotate synchronously, so as to realize the milling operation on the surface of the workpiece.

[0027] Combination Figure 2In some embodiments, the reservoir sleeve 200 is coaxially connected to the outer periphery of the cutter body 100. A cover plate 210 is provided at the top of the reservoir sleeve 200, and an air inlet valve 220 is provided on the cover plate 210. Cutting fluid can be supplied into the reservoir sleeve 200 through the cover plate 210. At the same time, air is forced into the reservoir sleeve 200 through the air inlet valve 220. The air mixes with the cutting fluid to break the cutting fluid into extremely fine droplets. These droplets are sprayed at high speed into the cutting area, effectively entering the tiny gaps between the cutter tip, chips, and workpiece, improving the cooling and lubrication effect on the workpiece. Exemplarily, the air inlet valve 220 is a one-way valve, and the cover plate 210 is detachably provided at the top of the reservoir sleeve 200. When replenishing the reservoir sleeve 200 with cutting fluid, the cover plate 210 can be removed to expose the top of the reservoir sleeve 200, and then cutting fluid can be added into the reservoir sleeve 200. This application does not limit this.

[0028] In some embodiments, a liquid level sensor is provided inside the liquid storage sleeve 200. The liquid level sensor inside the liquid storage sleeve 200 can obtain the volume of cutting fluid in the liquid storage sleeve 200 in real time. When the liquid level sensor confirms that the amount of cutting fluid in the liquid storage sleeve 200 is insufficient, the operator can be reminded to replenish the cutting fluid to the liquid storage sleeve 200 in time through the audible and visual alarm on the cutting machine.

[0029] In some embodiments, a first communication port is provided at the bottom of the inner wall of the liquid storage sleeve 200, which communicates with the interior of the liquid storage sleeve 200. A second communication port is provided on the peripheral side wall of the cutter body 100. On the one hand, the second communication port is connected to the first communication port, and on the other hand, the second communication port is also connected to the first liquid storage cavity. With this configuration, the cutting fluid stored in the liquid storage sleeve 200 can be transported to the first liquid storage cavity in the cutter body 100 through the first communication port and the second communication port.

[0030] In some embodiments, the bottom of the cutter body 100 is provided with a third communication port, which is connected to the first liquid storage chamber; the top of the cutter head 300 is provided with a fourth communication port, which is connected to the second liquid storage chamber inside the cutter head 300. With this configuration, the first liquid storage chamber and the second liquid storage chamber can be connected, and the cutting fluid in the first liquid storage chamber can be transported to the second liquid storage chamber.

[0031] Combination Figure 2 In some embodiments, the peripheral surface of the cutting head 300 is provided with multiple grooves 320, and at least one groove 320 is provided between two adjacent cutting tools 500. The communication port is opened at the bottom of the groove 320, and the axial outer end of the infusion assembly 400 is disposed in the corresponding groove 320, that is, the axial outer end of the infusion assembly 400 does not protrude from the peripheral surface of the cutting head 300. This arrangement can avoid the phenomenon of interference between the infusion assembly 400 protruding from the peripheral surface of the cutting head 300 and the workpiece, so as to ensure that the milling operation can be carried out smoothly.

[0032] In some embodiments, the fixing sleeve 410 is adapted to be inserted into the corresponding communicating hole 310. The fixing sleeve 410 can be connected to the cutting head 300 by welding. In other configurations, the fixing sleeve 410 can also be integrally formed with the cutting head 300. In addition, the axial inner end of the fixing sleeve 410 can be flush with the outer wall of the second liquid storage cavity or protrude into the second liquid storage cavity. This application does not limit this.

[0033] Figure 3 It shows Figure 1 A schematic diagram of the structure of the infusion assembly 400. Figure 4 It shows Figure 3 Another structural diagram from the perspective of Figure 5 It shows Figure 3 An explosion diagram. Figure 6 A structural schematic diagram of the fixing sleeve 410 is shown. Combined with... Figures 3-6 In some embodiments, the inner wall of the fixed sleeve 410 is provided with a first retaining ring 430 and a second retaining ring 440 spaced apart along the axial direction. The first retaining ring 430 is located axially inside the second retaining ring 440. A limiting ring 450 is connected to the peripheral outer wall of the sliding sleeve 420. The limiting ring 450 can reciprocate between the first retaining ring 430 and the second retaining ring 440. With this configuration, when the cutter body 100 rotates at high speed, the sliding sleeve 420 moves outward along the axial direction of the fixed sleeve 410 until the limiting ring 450 moves to the inner side of the second retaining ring 440, thereby limiting the outward movement of the sliding sleeve 420 by the second retaining ring 440. In addition, when the rotational speed of the cutter body 100 is low, the sliding sleeve 420 moves inward along the axial direction of the fixed sleeve 410 until the limiting ring 450 moves to the outer side of the first retaining ring 430, thereby limiting the inward movement of the sliding sleeve 420 by the first retaining ring 430. That is, by setting the first retaining ring 430 and the second retaining ring 440, it can be ensured that the sliding sleeve 420 always reciprocates between the first retaining ring 430 and the second retaining ring 440. For example, the first retaining ring 430 and the second retaining ring 440 are both integrally formed with the fixed sleeve 410.

[0034] Figure 7 A schematic diagram of the relevant components on the sliding sleeve 420 is shown. (Combined with...) Figure 7In some embodiments, a counterweight sleeve 460 is connected to the peripheral outer wall of the sliding sleeve 420, and the counterweight sleeve 460 is disposed on the axial outer side of the fixed sleeve 410. Since centrifugal force is proportional to mass, the counterweight sleeve 460 connected to the peripheral outer wall of the sliding sleeve 420 can increase the weight of the sliding sleeve 420, enabling the sliding sleeve 420 to quickly respond to the rotational speed of the cutter head 300. Exemplarily, the first retaining ring 430 and the second retaining ring 440 are connected to the axial inner end of the sliding sleeve 420, the axial outer end of the sliding sleeve 420 protrudes from the axial outer end of the fixed sleeve 410, and the configuration sleeve can be integrally formed and connected to the axial outer end of the sliding sleeve 420 and located on the outer side of the fixed sleeve 410.

[0035] Combination Figure 7 In some embodiments, the axial outer end of the sliding sleeve 420 is narrowed to reduce the opening size of the spray nozzle 421 to a certain extent, thereby increasing the spraying speed of the coolant and allowing the cutting fluid to be sprayed more concentratedly and accurately onto the high-temperature milling point where the tool 500 contacts the titanium plate, thus improving the cooling effect on the tool 500.

[0036] Figure 8 It shows Figure 7 A magnified diagram of point B. (Combined with...) Figure 8 In some embodiments, the infusion assembly 400 further includes a reset member 470, one end of which is connected to the counterweight sleeve 460, and the other end to the fixed sleeve 410. When the milling cutter 10 is milling at high speed, the sliding sleeve 420 moves outward along the axial direction of the fixed sleeve 410, deforming the reset member 470 and storing energy until the limiting ring 450 abuts against the inner side of the first retaining ring 430. When the rotational speed of the milling cutter 10 decreases, due to the reset capability of the reset member 470, the reset member 470 drives the sliding sleeve 420 connected to the counterweight sleeve 460 to move inward toward the inner side of the fixed sleeve 410, thereby reducing the amplitude of the sliding sleeve 420 moving toward the outer end of the fixed sleeve 410. By setting the reset member 470, the moving distance of the sliding sleeve 420 within the fixed sleeve 410 can adapt to the rotational speed of the cutter head 300, thereby maintaining the stability of cooling and lubrication.

[0037] Combination Figure 8In some embodiments, the reset member 470 includes a positioning sleeve 471, a spring 472, a first plate 473, and a second plate 474. The positioning sleeve 471 is slidably disposed on the peripheral outer wall of the sliding sleeve 420 and disposed between the counterweight sleeve 460 and the fixed sleeve 410. The side wall of the positioning sleeve 471 is provided with a through guide channel 475. The spring 472 is built into the guide channel 475. The first plate 473 and the second plate 474 each have a first end and a second end. The first end of the first plate 473 is connected to one end of the spring 472, and the second end of the first plate 473 is connected to the fixed sleeve 410. The first end of the second plate 474 is connected to the other end of the spring 472, and the second end of the second plate 474 is connected to the counterweight sleeve 460. When the milling cutter head 10 is milling at high speed, as the sliding sleeve 420 moves axially towards the outside of the fixed sleeve 410, the second plate 474 moves synchronously with the sliding sleeve 420 and stretches the spring 472 of the reset member 470. The spring 472 stretches and stores energy until the limiting ring 450 abuts against the inner side of the first retaining ring 430. When the rotational speed of the milling cutter head 10 decreases, due to the reset capability of the spring 472, the spring 472 drives the sliding sleeve 420 connected to the counterweight sleeve 460 to move towards the inside of the fixed sleeve 410, so that the amplitude of the sliding sleeve 420 moving towards the outer end of the fixed sleeve 410 is reduced.

[0038] Combination Figure 8 In some embodiments, the first end of the first plate 473 and the first end of the second plate 474 are slidably provided with guide channels 475 to guide the stretching and resetting of the spring 472, so that the spring 472 can be smoothly reset.

[0039] In related technologies, cutting fluid is mostly sprayed with a fixed flow rate and a fixed spray pattern. It is impossible to dynamically adjust the flow rate and spray pattern of the cutting fluid according to the rotational speed of the cutting tool 500 during milling. This results in the cutting fluid not reaching the milling point of the workpiece in a sufficiently concentrated and precise manner during high-speed milling, causing waste of cutting fluid, affecting the cooling and chip removal effects of the workpiece, making it difficult to guarantee the surface quality of the machined workpiece, and also causing accelerated wear of the cutting tool 500. Based on this technical problem, this application further improves the milling cutter head 10.

[0040] Combination Figures 3-5 The milling cutter disc 10 provided in this application also includes an opening and closing assembly 600. Figure 9 A schematic diagram of the opening and closing assembly 600 is shown. The opening and closing assembly 600 includes a fixing ring 610, an opening and closing plate 620, and a connecting member 630. The fixing ring 610 is sleeved on the axial inner end of the fixing sleeve 410. Multiple opening and closing plates 620 are provided, and the multiple opening and closing plates 620 are rotatably connected to the axial inner end of the fixing ring 610. The connecting member 630 and the opening and closing plate 620 are provided in a one-to-one correspondence. One end of the connecting member 630 is connected to the sliding sleeve 420, and the other end of the connecting member 630 is connected to the corresponding opening and closing plate 620.

[0041] As the sliding sleeve 420 is thrown outward within the fixed sleeve 410, the sliding sleeve 420, through the connecting piece 630, drives the opening and closing plate 620 to swing relative to the fixed ring 610 inward. Multiple opening and closing plates 620 close together, creating flow gaps between adjacent plates. These gaps form a flow channel for the cutting fluid, allowing the cutting fluid to be evenly distributed along the flow channel formed by the closing of the multiple opening and closing plates 620 under centrifugal force. This also enables dynamic adjustment of the cutting fluid flow rate. When the milling speed increases and the centrifugal force increases, the opening and closing plates 620 are further pulled by the connecting piece 630. The step-by-step swing-closing action narrows the flow gap between adjacent opening and closing plates 620, forming a narrower and more directional flow channel. At the same time, the centrifugal force generated by the high-speed rotation significantly increases the cutting fluid pressure. The fluid flows through these narrowed flow channels at a higher speed, forming multiple clustered, high-kinetic-energy jets. These jets are guided by the subsequent sliding sleeve 420 and spray nozzle 421, and are directed more concentratedly and precisely to the high-temperature milling point where the tool 500 contacts the titanium plate. This allows for more effective penetration of the high-temperature steam barrier in the milling zone, direct cooling of the cutting edge of the tool 500, and powerful flushing away a large amount of chips generated during milling.

[0042] During fine milling after the cutter body speed decreases from 100, the centrifugal force decreases, and the sliding sleeve 420 slides inside the fixed sleeve 410 under the action of the reset member 470. The sliding sleeve 420 drives the opening and closing plate 620 to swing outward of the fixed ring 610 through the connecting member 630. The flow gap between adjacent opening and closing plates 620 increases. At this time, since the centrifugal force driving the cutting fluid is very weak, the cutting fluid mainly flows out in a low-pressure, covering "seepage" or "shower" state. This maintains basic lubrication and cooling coverage for both the tool 500 and the workpiece surface, preventing localized overheating. Furthermore, due to the low fluid pressure and slow flow rate, the actual fluid consumption is significantly lower than in the high-pressure jet mode. This fundamentally avoids the problems of overcooling and fluid waste in low-demand conditions under high-speed mode. Moreover, this dynamic switching process is entirely autonomously regulated by centrifugal force and mechanical linkage, requiring no external control intervention, ensuring the real-time performance and reliability of the system response. Within different speed ranges, the fluid supply mode transitions smoothly, guaranteeing efficient chip removal and cooling while achieving energy savings and significantly improving machining stability and tool 500 lifespan.

[0043] After the cutter body 100 stops rotating, due to the small opening of the spray nozzle 421, the pressure supplied to the liquid storage sleeve 200 through the air inlet valve 220 stops. Under capillary action, the cutting fluid naturally retracts into the inner second liquid storage chamber and will not flow out on its own, thus effectively preventing the cutting fluid from dripping and contaminating the workpiece or equipment when the machine stops. At the same time, the opening and closing plate 620 is fully opened under the action of the reset member 470 to return to the initial position, thereby establishing an initial flow section for the next start-up and ensuring rapid flow response during cold start.

[0044] Combination Figure 9 In some embodiments, the fixing ring 610 is coaxially fixedly connected to the first retaining ring 430 at the axial inner end of the fixing sleeve 410. The fixing ring 610 can be integrally formed with the fixing sleeve 410. The inner side of the opening and closing plate 620 is rotatably connected to the fixing ring 610 through the hinge 640. The connecting member 630 can be a rod structure. The inner end of the connecting member 630 is rotatably connected to the outer side of the fixing ring 610, and the outer end of the connecting member 630 is rotatably connected to the limiting ring 450 provided on the sliding sleeve 420.

[0045] In some embodiments, the hinge 640 may be selected as a damped hinge so that there is a certain damping between the opening and closing plate 620 and the fixing ring 610, so as to avoid the opening and closing plate 620 swinging inward toward the fixing ring 610 under the action of the cutting fluid when the opening and closing plate 620 is in an inclined posture, so that the opening and closing plate 620 is maintained in a preset posture at the corresponding drilling speed of the cutting tool 100.

[0046] In some embodiments, the hinge plate 620 is generally triangular, and when the tips of multiple hinge plates 620 abut together, the flow channel formed by adjacent hinge plates 620 is conical. Of course, the hinge plate 620 may also be trapezoidal or other shapes, and this application does not limit this.

[0047] It should be noted that, in actual implementation, the spray nozzle 421 of the sliding sleeve 420 is equipped with a nozzle, which continuously sprays high-pressure cutting fluid (under the action of centrifugal force and air pressure) during operation, forming a water mist. The outward flow of the liquid forms a "barrier" to prevent external solid waste from entering in the reverse direction. When the milling cutter head rotates at high speed, the spray nozzle and the surrounding area are subjected to strong centrifugal force. Even if small chips approach, they will be thrown outward by centrifugal force, rather than being pressed towards the spray nozzle in the direction of the rotation center. In addition, the spray nozzle 421 is located in the groove between adjacent tools and does not protrude from the circumference of the tool head. Most of the chips generated by milling will be discharged along the rake face of the tool or washed away by the cutting fluid, and will not flow into the narrow spray nozzle in a specific direction.

[0048] Furthermore, although titanium chips generated during titanium plate processing are sticky, the cutting fluid is continuously sprayed outwards during titanium plate processing. The high-pressure fluid flow itself has a certain "flushing" and "isolation" effect on the sticky chips, which can effectively prevent them from adhering to the spray nozzle, thus avoiding the phenomenon that long-term accumulation may lead to the spray nozzle gradually narrowing or even clogging. Manual cleaning of the sticky chips adhering to the spray nozzle can also effectively prevent the spray nozzle from clogging. Finally, some cutting fluids with anti-adhesion additives can also be selected, such as extreme pressure emulsions or special titanium alloy cutting oils, which can effectively reduce the adhesion of titanium chips and prevent titanium chips from sticking to the spraying components.

[0049] In summary, the milling cutter disc 10 for titanium plate processing provided in this application can not only spray coolant onto the workpiece surface online during milling, but also adaptively adjust the distance between the spray nozzle 421 and the workpiece according to the rotation speed of the cutter body 100 to maintain the stability of cooling and lubrication. Furthermore, it can dynamically adjust the spray flow rate of the cutting fluid according to the rotation speed of the cutter body 100 to ensure a smooth transition in the cutting fluid supply mode, significantly improving the machining stability of the workpiece and the tool life 500, and has excellent practicality.

[0050] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0051] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0052] In this application, unless otherwise expressly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0053] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0054] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A milling cutter disc for machining titanium plates, characterized in that, The milling cutter disc includes: The blade body has a built-in first liquid storage chamber; A liquid storage sleeve is fitted onto the blade body, and the liquid storage sleeve is connected to the first liquid storage cavity; A cutting head is connected to one axial end of the cutting body. The cutting head has a second liquid storage chamber inside, which is connected to the first liquid storage chamber. Multiple cutting tools are circumferentially connected to the cutting head. A connecting hole is provided on the circumferential surface of the cutting head, and at least one connecting hole is provided between two adjacent cutting tools. An infusion assembly is provided, and each of the communicating holes is provided in a corresponding manner. The infusion assembly includes a fixed sleeve and a sliding sleeve. The fixed sleeve is connected to the corresponding communicating hole, and the sliding sleeve is slidably disposed in the fixed sleeve. The inner axial end of the sliding sleeve is connected to the first liquid storage chamber, and the outer axial end of the sliding sleeve is provided with a spray port. The inner wall of the fixed sleeve is provided with a first retaining ring and a second retaining ring at intervals along the axial direction; The outer peripheral wall of the sliding sleeve is connected to a limiting ring, which can reciprocate between the first retaining ring and the second retaining ring; A counterweight sleeve is connected to the outer peripheral wall of the sliding sleeve, and the counterweight sleeve is located on the outer axial side of the fixed sleeve. The infusion assembly also includes a reset component, one end of which is connected to the counterweight sleeve and the other end of which is connected to the fixing sleeve.

2. A milling cutter disc for machining titanium plates according to claim 1, characterized in that, The reset component includes: A positioning sleeve is connected to the outer periphery of the sliding sleeve and is disposed between the counterweight sleeve and the fixed sleeve. The side wall of the positioning sleeve is provided with a through guide channel. A spring is built into the guide channel; A first plate has a first end and a second end, the first end of the first plate is connected to one end of the spring, and the second end of the first plate is connected to the fixing sleeve. The second plate has a first end and a second end opposite to each other. The first end of the first plate is connected to the other end of the spring, and the second end of the second plate is connected to the counterweight sleeve.

3. A milling cutter disc for machining titanium plates according to claim 1, characterized in that, A liquid level sensor is installed inside the liquid storage sleeve.

4. A milling cutter disc for machining titanium plates according to any one of claims 1-3, characterized in that, The blade head is provided with multiple grooves spaced apart circumferentially. The connecting holes and the grooves are provided in a one-to-one correspondence. The connecting holes are opened at the bottom of the corresponding grooves. The axial outer end of the infusion assembly is located in the corresponding groove.

5. A milling cutter disc for machining titanium plates according to any one of claims 1-3, characterized in that, The milling cutter head also includes an opening and closing assembly, which includes: A retaining ring is connected to the axial inner end of the retaining sleeve; Multiple opening and closing plates are provided, and the multiple opening and closing plates are rotatably connected to the fixing ring; A connector is provided in a one-to-one correspondence with the opening and closing plate. One end of the connector is connected to the sliding sleeve, and the other end of the connector is connected to the corresponding opening and closing plate.

6. A milling cutter disc for machining titanium plates according to claim 5, characterized in that, The connector is a rod-shaped structure.

7. A milling cutter disc for machining titanium plates according to claim 6, characterized in that, The inner side of the hinge plate is rotatably connected to the fixed ring via a hinge, which is a damped hinge.

Images