Vertical turret milling machine with buffering and damping function

Abstract

The application belongs to the technical field of machine tools, and particularly relates to a vertical turret milling machine with a buffering and damping function, which comprises a vertical turret milling machine body, a workbench and a main shaft installed on the vertical turret milling machine body, and a protection mechanism comprising a boss fixedly installed on the main shaft and having a micro electric push rod fixedly installed at the bottom of the boss, and a transparent protection cover fixedly installed at the output end of the micro electric push rod. The transparent protection cover is driven to ascend and descend by the micro electric push rod, so that the splashing of cutting fluid can be effectively blocked during machining, the operating environment is improved, the workpiece and the machine tool are prevented from rusting, and the observation line of the operator is ensured. Meanwhile, the cooperation of the sliding block with the first and second multi-stage extension plates ensures the stability of the lifting of the protection cover, and the dynamic closure of the sliding groove by the first and second multi-stage extension plates effectively prevents the invasion of cutting fluid and iron filings into the sliding groove and avoids the jamming of the sliding block.

Description

Technical Field

[0001] This invention relates to the field of floating bed fixing structure technology, specifically a vertical turret milling machine with buffering and shock absorption function. Background Technology

[0002] The vertical turret milling machine is one of the most widely used types of milling machines. Its core feature is that the spindle head is mounted on a horizontally rotatable "turret"-shaped ram and can swing in the vertical plane, thus enabling multi-angle machining with a vertical spindle. With its flexible spindle direction and strong versatility, it can easily complete various processes such as milling, drilling, and boring, making it an indispensable "all-rounder" machine in mold manufacturing and precision parts machining.

[0003] When machining parts, vertical turret milling machines generate a large amount of heat and chips due to high-speed cutting, requiring continuous spraying of cutting fluid for cooling and lubrication. However, when the spindle drives the tool to rotate at high speed, the splashed cutting fluid collides violently with the rotating parts, causing droplets to scatter and splash everywhere. Since vertical turret milling machines are usually not equipped with a closed protective cover, the splashed cutting fluid not only pollutes the surrounding environment and hinders the operator's observation of the machining process, but also easily causes corrosion of the workpiece and machine tool, and increases the burden of cleaning and maintenance. Therefore, to address the above problems, a vertical turret milling machine with buffering and shock absorption functions is proposed. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, the present invention proposes a vertical turret milling machine with buffering and shock absorption function.

[0005] The technical solution adopted by the present invention to solve its technical problem is as follows: A vertical turret milling machine with buffering and shock absorption function, comprising a vertical turret milling machine body, and a worktable and a spindle mounted on the vertical turret milling machine body; further comprising: a protective mechanism, including a boss fixedly mounted on the spindle, and a miniature electric actuator fixedly mounted on the bottom of the boss, the output end of the miniature electric actuator being fixedly mounted with a protective cover of transparent material; a slide groove for sliding of a slider is provided on the spindle, and one end of the slider is fixedly connected to the output end of the miniature electric actuator; a buffer pad is fixedly mounted on the worktable.

[0006] Furthermore, a closing mechanism is provided in the slide groove. The closing mechanism includes a first multi-stage telescopic plate and a second multi-stage telescopic plate fixedly installed in the slide groove. Both the first multi-stage telescopic plate and the second multi-stage telescopic plate are composed of several hollow plates slidably connected together.

[0007] Furthermore, the hollow plates of the first multi-stage telescopic plate are mutually sealed and slidably connected, and the hollow plates are connected to each other through round holes; an air inlet pipe with a one-way valve is fixedly installed on one side of the first multi-stage telescopic plate, and an air outlet pipe with a one-way valve and connected to the interior is fixedly installed on the other side of the first multi-stage telescopic plate; a hollow frame is fixedly installed at the bottom of the main shaft, and a plurality of air outlet holes connected to the interior are opened at the bottom of the hollow frame, and one end of the air outlet pipe is connected to the interior of the hollow frame.

[0008] Furthermore, a flow guiding component is provided inside the air outlet, the flow guiding component includes a filter screen fixedly installed inside the air outlet, and several annularly distributed flow guiding plates with arc-shaped cross-sections are fixedly installed at the bottom of the filter screen.

[0009] Furthermore, the hollow plates of the second multi-stage telescopic plate are mutually sealed and slidably connected, and the hollow plates are connected to each other through round holes; the second multi-stage telescopic plate is provided with an air blowing assembly, the air blowing assembly includes a drainage pipe with a one-way valve and connected to the inside of the second multi-stage telescopic plate, and the second multi-stage telescopic plate and the hollow frame are connected by an air blowing pipe with a one-way valve.

[0010] Furthermore, the slider is provided with a scraping mechanism, which includes a rectangular frame fixedly installed on the slider. A slide rod with a scraper is slidably connected inside the rectangular frame. A rubber sleeve is fixedly installed at the bottom of the scraper. An elastic element is fixedly installed between the slide rod and the rectangular frame. An electromagnet is fixedly installed at the top of the slide rod, and an electromagnetic block is fixedly installed at the top inner part of the rectangular frame.

[0011] Furthermore, a buffer assembly is provided within the rectangular frame. The buffer assembly includes a buffer ring fixedly installed within the rectangular frame. A connecting pipe with a one-way valve is fixedly installed on one side of the buffer ring, and a guide pipe with a one-way valve that communicates with the interior is fixedly installed on another side of the buffer ring. A plurality of through holes are provided on one side of the scraper, and one end of the guide pipe is connected to the plurality of through holes.

[0012] Furthermore, a rejection mechanism is provided inside the main shaft. The rejection mechanism includes a cavity opened inside the main shaft, and a connecting rod is slidably connected inside the cavity. The elastic element is a hollow elastic ball, and the elastic element and the cavity are connected by a connecting pipe.

[0013] Furthermore, a connecting plate is fixedly installed at the bottom of the connecting rod, and two arc-shaped connecting parts are fixedly installed on the surface of the connecting plate.

[0014] Furthermore, several connecting columns are fixedly installed inside the cavity.

[0015] The advantages of this invention are: 1. This invention uses a miniature electric actuator to drive the transparent protective cover to rise and fall, effectively blocking cutting fluid splashes during machining. This improves the operating environment, prevents workpiece and machine tool corrosion, and ensures the operator's visibility. Simultaneously, the cooperation between the slider and the first and second multi-stage telescopic plates ensures the stability of the protective cover's rise and fall. Furthermore, the dynamic closure of the slide groove by the first and second multi-stage telescopic plates effectively prevents cutting fluid and metal chips from entering the slide groove, avoiding slider jamming. In addition, the addition of a buffer pad on the worktable provides shock absorption, protecting the workpiece and the worktable surface.

[0016] 2. This invention cleverly utilizes the stroke of the lifting action by alternating suction and exhaust of the first and second multi-stage telescopic plates linked by a slider. This achieves pre-cleaning of the workpiece on the worktable and dispersal of residual cutting fluid after processing. Furthermore, the blowing range is expanded by the guide plate, facilitating subsequent dimensional inspection. Simultaneously, combined with the effective interception of splashes by the liftable transparent protective cover, the dynamic closure protection of the slide, and the shock absorption effect of the worktable buffer pad, the overall operating environment and cleanliness are significantly improved, enhancing the convenience, stability, and safety of processing.

[0017] 3. This invention utilizes the reciprocating scraping of a scraper and rubber sleeve, combined with pressure-guided airflow from a buffer ring, to promptly remove cutting fluid adhering to the inner wall of the protective cover, effectively solving the problem of obstructed visibility caused by fluid droplets. Simultaneously, combined with the protective cover's splash interception, dynamic closure of the slideway, multi-stage telescopic plate-linked airflow, and buffer pad shock absorption, it comprehensively improves the cleanliness of the machining process, ease of observation, operational stability, and safety. 4. This invention utilizes the compressed exhaust of the elastic element to drive the connecting member downwards, actively removing the ribbon-like iron filings entangled on the cutting tool, effectively reducing the adverse effects of iron filings accumulation on the cutting process. Simultaneously, the connecting member impacts the connecting post at its maximum stroke, shaking off the iron filings and preventing secondary entanglement. Combined with the aforementioned protective cover lifting and intercepting splashes, the cleaning window of the scraping mechanism, the multi-stage telescopic plate linkage blowing, and the dynamic sealing of the sliding groove, the overall cleanliness, ease of operation, cutting stability, and automation level of the machining process are significantly improved. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2This is a schematic diagram of the structure at the main shaft in this invention; Figure 3 This is a schematic diagram of the structure of the boss in this invention; Figure 4 This is a schematic diagram of the structure of the groove in this invention; Figure 5 This is a schematic diagram of the structure of the miniature electric actuator in this invention; Figure 6 This is a schematic diagram of the structure at the rectangular frame in this invention; Figure 7 This is a cross-sectional view of the rectangular frame in this invention; Figure 8 This is a cross-sectional view of the hollow frame in this invention; Figure 9 In this invention Figure 4 A schematic diagram of the structure at point A; Figure 10 In this invention Figure 4 A schematic diagram of the structure at point B; Figure 11 In this invention Figure 5 A schematic diagram of the structure at point C; Figure 12 In this invention Figure 7 A schematic diagram of the structure at point D.

[0020] In the diagram: 1. Vertical turret milling machine body; 2. Worktable; 3. Spindle; 10. Protective mechanism; 11. Buffer pad; 12. Boss; 13. Miniature electric actuator; 14. Protective cover; 15. Slide groove; 16. Slider; 20. Closing mechanism; 21. First multi-stage telescopic plate; 22. Second multi-stage telescopic plate; 23. Inlet pipe; 24. Outlet pipe; 25. Hollow frame; 26. Air outlet; 27. Flow guiding assembly; 271. Filter screen; 272. Flow guide plate; 28. Air blowing assembly; 281. Drainage tube; 282. Air blowing tube; 30. Scraping mechanism; 31. Rectangular frame; 32. Slide rod; 33. Elastic element; 34. Electromagnet; 35. Electromagnetic block; 36. Scraper; 37. Rubber sleeve; 38. Buffer assembly; 381. Buffer ring; 382. Connecting pipe; 383. Guide pipe; 384. Through hole; 40. Removal mechanism; 41. Connecting pipe; 42. Cavity; 43. Connecting rod; 44. Connecting disc; 45. Connecting piece; 46. Connecting column. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Please see Figure 1-12 As shown, a vertical turret milling machine with buffering and shock absorption function includes a vertical turret milling machine body 1, a worktable 2 and a spindle 3 mounted on the vertical turret milling machine body 1; it also includes: a protective mechanism 10, including a boss 12 fixedly mounted on the spindle 3, and a miniature electric actuator 13 fixedly mounted on the bottom of the boss 12, and a transparent protective cover 14 fixedly mounted on the output end of the miniature electric actuator 13; a slide groove 15 is provided on the spindle 3 for a slider 16 to slide, and one end of the slider 16 is fixedly connected to the output end of the miniature electric actuator 13; a buffer pad 11 is fixedly mounted on the worktable 2.

[0023] Specifically, a closing mechanism 20 is provided in the slide 15. The closing mechanism 20 includes a first multi-stage telescopic plate 21 and a second multi-stage telescopic plate 22 fixedly installed in the slide 15. Both the first multi-stage telescopic plate 21 and the second multi-stage telescopic plate 22 are composed of several hollow plates slidably connected.

[0024] During operation, when the vertical turret milling machine body 1 is machining parts, the parts to be machined are first installed on the worktable 2 using a tooling fixture in a location with a buffer pad 11 (specifically laid out and installed only at the tooling and the parts to be machined). At this time, the miniature electric actuator 13 on the boss 12 is activated, causing the miniature electric actuator 13 to move downwards along with the transparent protective cover 14. As the protective cover 14 moves, the slider 16 in the slide groove 15 provides auxiliary support, enabling the protective cover 14 to maintain stable movement. Furthermore, when the slider 16 moves, the first multi-stage telescopic plate 21 and the second multi-stage telescopic plate 22 within the slide groove 15 will move in coordination. Specifically, when the slider 16 moves downward, the first multi-stage telescopic plate 21 will slide and retract in coordination with the slider 16, while the second multi-stage telescopic plate 22 will slide and extend in coordination with the slider 16. When the slider 16 moves upward, the first multi-stage telescopic plate 21 will slide and extend, while the second multi-stage telescopic plate 22 will slide and extend. This not only supports the slider 16 and other components but also closes the slide groove 15, reducing the entry of cutting fluid and iron filings into the slide groove 15 and affecting the sliding of the slider 16.

[0025] The transparent protective cover 14 is raised and lowered by a miniature electric actuator 13, effectively blocking cutting fluid splashes during machining. This improves the operating environment, prevents workpiece and machine tool corrosion, and ensures the operator's visibility. Simultaneously, the cooperation between the slider 16 and the first multi-stage telescopic plate 21 and the second multi-stage telescopic plate 22 ensures the stability of the protective cover 14's raising and lowering. Furthermore, the dynamic closure of the slide groove 15 by the first and second multi-stage telescopic plates 21 and 22 effectively prevents cutting fluid and metal chips from entering the slide groove 15, avoiding slider 16 jamming. In addition, the addition of a buffer pad 11 on the worktable 2 also provides shock absorption, protecting the workpiece and the worktable surface.

[0026] The hollow plates of the first multi-stage telescopic plate 21 are mutually sealed and slidably connected, and the hollow plates are connected to each other through round holes; an air inlet pipe 23 with a one-way valve is fixedly installed on one side of the first multi-stage telescopic plate 21, and an air outlet pipe 24 with a one-way valve and connected to the interior is fixedly installed on one side of the first multi-stage telescopic plate 21; a hollow frame 25 is fixedly installed at the bottom of the main shaft 3, and a number of air outlet holes 26 connected to the interior are opened at the bottom of the hollow frame 25, and one end of the air outlet pipe 24 is connected to the interior of the hollow frame 25.

[0027] Specifically, a flow guiding assembly 27 is provided inside the air outlet 26. The flow guiding assembly 27 includes a filter screen 271 fixedly installed inside the air outlet 26. Several annularly distributed flow guiding plates 272 with arc-shaped cross-sections are fixedly installed at the bottom of the filter screen 271. Several hollow plates of the second multi-stage telescopic plate 22 are mutually sealed and slidably connected, and the several hollow plates are connected to each other through round holes. An air blowing assembly 28 is provided on the second multi-stage telescopic plate 22. The air blowing assembly 28 includes a guide pipe 281 with a one-way valve and connected to the inside of the second multi-stage telescopic plate 22. The second multi-stage telescopic plate 22 and the hollow frame 25 are connected through the air blowing pipe 282 with a one-way valve.

[0028] During operation, when the slider 16 moves downward, causing the first multi-stage telescopic plate 21 to slide and retract, the gas pre-stored inside the first multi-stage telescopic plate 21 enters the exhaust pipe 24 through several through holes 384 and then into the hollow frame 25. This gas is then blown onto the workpiece to be processed on the worktable 2 through several exhaust holes 26 at the bottom of the hollow frame 25, thus serving as a preliminary auxiliary cleaning of the workpiece. When the slider 16 moves upward, the first multi-stage telescopic plate 21 becomes a sliding extension plate. At this time, it draws in external gas through the intake pipe 23 and fills the workpiece through several through holes 384. Meanwhile, the second multi-stage telescopic plate 22 slides and retracts, injecting the gas inside into the hollow frame 25 through the air blowing pipe 282 and blowing it onto the processed workpiece through several through holes 384, thus quickly dispersing any residual cutting fluid on the workpiece and facilitating subsequent dimensional checks by the operator. It should be noted that when the slider 16 initially moves downward, the second multi-stage telescopic plate 22 will slide and stretch in coordination. Therefore, the second multi-stage telescopic plate 22 will draw in external gas through the guide pipe 281 and fill itself, ready for subsequent gas ejection. The filters 271 installed in the several air outlets 26 are to reduce the entry of impurities, and the several annularly distributed, arc-shaped guide plates 272 installed at the bottom of the filters 271 are to blow the ejected gas in all directions, thus covering a larger area.

[0029] By leveraging the alternating suction and exhaust of the first multi-stage telescopic plate 21 and the second multi-stage telescopic plate 22 in conjunction with the slider 16, the lifting motion is cleverly utilized to achieve pre-cleaning of the workpiece on the worktable 2 and dispersion of residual cutting fluid after processing. Furthermore, the airflow range is expanded by the guide plate 272, facilitating subsequent dimensional inspection. Simultaneously, combined with the effective interception of splashes by the liftable transparent protective cover 14, the dynamic closure protection of the slide 15, and the shock absorption effect of the buffer pad 11 on the worktable 2, the overall operating environment and cleanliness are significantly improved, enhancing the convenience, stability, and safety of processing.

[0030] The slider 16 is provided with a scraping mechanism 30. The scraping mechanism 30 includes a rectangular frame 31 fixedly installed on the slider 16. A slide rod 32 with a scraper 36 is slidably connected inside the rectangular frame 31. A rubber sleeve 37 is fixedly installed at the bottom of the scraper 36. An elastic element 33 is fixedly installed between the slide rod 32 and the rectangular frame 31. An electromagnet 34 is fixedly installed at the top of the slide rod 32. An electromagnetic block 35 is fixedly installed at the top inner part of the rectangular frame 31.

[0031] Specifically, a buffer assembly 38 is provided inside the rectangular frame 31. The buffer assembly 38 includes a buffer ring 381 fixedly installed inside the rectangular frame 31. A connecting pipe 382 with a one-way valve is fixedly installed on one side of the buffer ring 381. A guide pipe 383 with a one-way valve and connected to the interior is fixedly installed on another side of the buffer ring 381. Several through holes 384 are opened on one side of the scraper 36. One end of the guide pipe 383 is connected to several through holes 384.

[0032] During operation, when the vertical turret milling machine body 1 is machining a workpiece and the protective cover 14 is moved to a suitable position for protection, the cutting fluid, which is mostly milky white, splashes during use and is blocked by the protective cover 14. This causes a continuous flow of cutting fluid on the protective cover 14, which in turn affects the operator's ability to observe the machining status of the workpiece through the transparent protective cover 14. At this time, the electromagnet 34 and the electromagnet block 35 in the rectangular block are energized, causing them to repel each other. This causes the electromagnet 34 to move downwards along with the slide rod 32, scraper 36, elastic element 33, and rubber sleeve 37. Since one end of the rubber sleeve 37 is in contact with the protective cover 14, the scraper 36 uses the rubber sleeve 37 to scrape away the cutting fluid from the protective cover 14 during the downward movement, making it easier for the operator to see the machining status of the workpiece through the protective cover 14 (it should be noted that the scraper 36 and rubber sleeve 37 only move within a small range, scraping away a small area that is easy to observe; it is not necessary to move over a large area to scrape away the cutting fluid). After completing the above operations, the power to electromagnet 34 and electromagnet block 35 is turned off. The slide bar 32 and other components, including electromagnet 34, will reset under the action of the elastic element 33, allowing electromagnet 34 and electromagnet block 35 to move closer together again. Because a buffer ring 381 is installed inside the rectangular frame 31, the buffer ring 381 acts as a buffer to protect the electromagnet block 35 during reset, preventing direct hard contact between electromagnet 34 and slide bar 32 and the electromagnet block 35 under the action of the elastic element 33, which could damage them over time. Since the buffer ring 381 acts as a buffer, it will inevitably be compressed, causing the gas inside to enter the through hole 384 through the guide pipe 383 and be blown towards the protective cover 14. This further reduces the amount of cutting fluid remaining on the protective cover 14, allowing workers to easily observe the machining process through the protective cover 14. It should be noted that when the buffer ring 381 is not compressed, it will be replenished with gas through the connecting pipe 382 to facilitate the subsequent buffering and blowing function; and because the end of the scraper 36 is equipped with a rubber sleeve 37, the scraper 36 and the protective cover 14 will not be in direct contact, and there will inevitably be a gap between them. This gap provides space for the subsequent air outlet through the through hole 384.

[0033] By utilizing the reciprocating scraping of the scraper 36 and rubber sleeve 37 in conjunction with the pressurized airflow guided by the buffer ring 381, the cutting fluid adhering to the inner wall of the protective cover 14 can be removed in a timely manner, effectively solving the problem of obstructed vision caused by droplets. At the same time, combined with the splash interception of the protective cover 14, the dynamic closure of the slide 15, the multi-stage telescopic plate linkage airflow, and the shock absorption of the buffer pad 11, the overall cleanliness of the machining process, the convenience of observation, the stability of the mechanism operation, and the safety of operation are improved.

[0034] A rejection mechanism 40 is provided inside the spindle 3. The rejection mechanism 40 includes a cavity 42 formed inside the spindle 3, and a connecting rod 43 is slidably connected inside the cavity 42. The elastic element 33 is a hollow elastic ball, and the elastic element 33 and the cavity 42 are connected by a connecting pipe 41. A connecting plate 44 is fixedly installed at the bottom of the connecting rod 43, and two arc-shaped connecting parts 45 are fixedly installed on the surface of the connecting plate 44. Several connecting posts 46 are fixedly installed inside the cavity 42.

[0035] During operation, the movement of the elastic element 33 in conjunction with the slide rod 32 is limited due to its small range of motion. This results in limited compression of the elastic element 33, leading to a limited amount of gas entering the cavity 42 through the connecting pipe 41. Furthermore, the connecting piece 45 remains some distance from the tool. Therefore, the amount of gas filling the cavity 42 is insufficient to bring the connecting piece 45 closer to the tool. When the spindle 3 moves to a safe position, the electromagnet 34 and the electromagnet block 35 are energized, causing the slide rod 32 to compress the elastic element 33 again. This time, the elastic element 33 is fully compressed, allowing all the internal gas to be injected into the cavity 42 through the connecting pipe 41. This forces the connecting rod 43, along with the connecting piece and the connecting piece 45, to slide downwards within the cavity 42. The two arc-shaped connecting pieces 45 then remove the vertical iron filings entangled on the tool, reducing the likelihood of iron filings getting stuck on the tool. Furthermore, when the connecting rod 43 and the connecting piece 45 move to their maximum stroke, the connecting rod 43 will collide with the connecting post 46 in the cavity 42, thereby shaking off the iron filings picked up by the connecting piece 45 and preventing the connecting piece 45 from moving upwards and resetting with the picked-up iron filings. It should be noted that when the slide rod 32 moves downwards, it also moves the scraper 36 and the rubber sleeve 37 downwards, thereby completing the large-scale scraping of cutting fluid from the protective cover 14. Subsequently, when the electromagnet 34 and the electromagnet block 35 are de-energized, the slide rod 32 and other components reset through the elastic element 33. At this time, the gas in the cavity 42 will also be reset into the elastic element 33 through the connecting pipe 41, causing the connecting rod 43 to also reset with the components.

[0036] By utilizing the compressed exhaust of the elastic element 33 to drive the connecting piece 45 downwards, the ribbon-like iron filings wrapped around the cutting tool can be actively removed, effectively reducing the adverse effects of iron filings accumulation on the cutting process. Simultaneously, the connecting piece 45 impacts the connecting post 46 at its maximum stroke, shaking off the iron filings and preventing secondary entanglement. Combined with the aforementioned structures such as the lifting and lowering of the protective cover 14 to intercept splashes, the cleaning window of the scraping mechanism 30, the multi-stage telescopic plate linkage blowing, and the dynamic sealing of the slide groove 15, the overall cleanliness, ease of operation, cutting stability, and automation level of the machining process are significantly improved.

[0037] Working principle: When the vertical turret milling machine body 1 is processing parts, the parts to be processed are first installed on the worktable 2 with a buffer pad 11 using tooling. At this time, the miniature electric actuator 13 on the boss 12 is activated, allowing the miniature electric actuator 13 to move downward with the transparent protective cover 14. When the protective cover 14 moves, the slider 16 in the slide groove 15 provides auxiliary support, so that the protective cover 14 can maintain stable movement. Furthermore, when the slider 16 moves, the first multi-stage telescopic plate 21 and the second multi-stage telescopic plate 22 within the slide groove 15 will move in coordination. Specifically, when the slider 16 moves downward, the first multi-stage telescopic plate 21 will slide and retract in coordination with the slider 16, while the second multi-stage telescopic plate 22 will slide and extend in coordination with the slider 16. When the slider 16 moves upward, the first multi-stage telescopic plate 21 will slide and extend, while the second multi-stage telescopic plate 22 will slide and extend. This not only supports the slider 16 and other components but also closes the slide groove 15, reducing the entry of cutting fluid and iron filings into the slide groove 15 and affecting the sliding of the slider 16.

[0038] When the slider 16 moves downwards, causing the first multi-stage telescopic plate 21 to slide and retract, the gas inside the first multi-stage telescopic plate 21, pre-stored inside, enters the air outlet pipe 24 through several through holes 384 and then into the hollow frame 25. This gas is then blown onto the workpiece to be processed on the worktable 2 through several air outlet holes 26 at the bottom of the hollow frame 25, thus serving as a preliminary auxiliary cleaning function for the workpiece. When the slider 16 moves upwards, the first multi-stage telescopic plate 21 becomes a sliding extension plate. At this time, it draws in external gas through the air inlet pipe 23 and fills the workpiece through several through holes 384. Meanwhile, the second multi-stage telescopic plate 22 slides and retracts, injecting the gas inside into the hollow frame 25 through the air blowing pipe 282 and blowing it onto the processed workpiece through several through holes 384, thus quickly dispersing any residual cutting fluid on the workpiece and facilitating subsequent dimensional inspection by the operators. It should be noted that when the slider 16 initially moves downward, the second multi-stage telescopic plate 22 will slide and stretch in coordination. Therefore, the second multi-stage telescopic plate 22 will draw in external gas through the guide pipe 281 and fill itself, ready for subsequent gas ejection. The filters 271 installed in the several air outlets 26 are to reduce the entry of impurities, and the several annularly distributed, arc-shaped guide plates 272 installed at the bottom of the filters 271 are to blow the ejected gas in all directions, thus covering a larger area.

[0039] When electromagnets 34 and 35 within the rectangular block are energized, their like poles repel each other, causing electromagnet 34 to move downwards along with slide bar 32, scraper 36, elastic element 33, and rubber sleeve 37. Since one end of rubber sleeve 37 abuts against protective cover 14, scraper 36 uses rubber sleeve 37 to scrape and remove cutting fluid from protective cover 14 during downward movement, allowing workers to clearly see the workpiece's machining status through protective cover 14. After completing the above operations, electromagnets 34 and 35 are de-energized, and slide bar 32 and electromagnet 34, along with other components, reset under the action of elastic element 33, causing electromagnets 34 and 35 to move closer together again. Because a buffer ring 381 is installed inside the rectangular frame 31, the buffer ring 381 cushions and protects electromagnet 35 during reset, preventing direct hard contact between electromagnets 34 and slide bar 32 and electromagnet 35 under the action of elastic element 33, which could damage electromagnets 34 and 35 over time and with repeated hard contact. Since the buffer ring 381 acts as a buffer, it will inevitably be compressed and contracted. Therefore, the gas inside it will enter the through hole 384 through the guide pipe 383 and be blown towards the protective cover 14 through the through hole 384, thereby further reducing the cutting fluid residue on the protective cover 14 and making it easier for the operator to observe the machining process through the protective cover 14. It should be noted that when the buffer ring 381 is not compressed, it will be replenished with gas through the connecting pipe 382 to facilitate the subsequent buffering and blowing functions; and because the scraper 36 end is equipped with a rubber sleeve 37, the scraper 36 and the protective cover 14 will not directly contact each other, and there will inevitably be a gap between them. This gap reserves space for the subsequent air outlet through the through hole 384.

[0040] After the spindle 3 moves to a safe position, the electromagnet 34 and the electromagnet block 35 are energized, causing the slide rod 32 to squeeze the elastic element 33 again. This time, the elastic element 33 is fully squeezed and compressed, allowing all the gas inside to be injected into the cavity 42 through the connecting pipe 41. This forces the connecting rod 43 in the cavity 42 to slide downwards, carrying the connecting plate and the connecting piece 45. The two arc-shaped connecting pieces 45 pick up the vertical iron filings wrapped around the tool, reducing the occurrence of iron filings wrapping around the tool. When the connecting rod 43 and the connecting piece 45 move to their maximum stroke, the connecting rod 43 will collide with the connecting post 46 in the cavity 42, thereby shaking off the iron filings picked up by the connecting piece 45 and preventing the connecting piece 45 from moving upwards and resetting with the picked-up iron filings. It should be noted that when the slide rod 32 moves downwards, it also moves downwards along with the scraper 36 and the rubber sleeve 37, thereby completing the large-scale scraping of the cutting fluid from the protective cover 14. Subsequently, when the electromagnet 34 and the electromagnet block 35 are de-energized, components such as the slide rod 32 are reset through the elastic element 33. At this time, the gas in the cavity 42 will also be reset into the elastic element 33 through the connecting pipe 41, so that the connecting rod 43 will also reset along with the components.

[0041] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention.

Claims

1. A vertical turret milling machine with buffering and shock absorption function, comprising a vertical turret milling machine body (1), and a worktable (2) and a spindle (3) mounted on the vertical turret milling machine body (1); characterized in that: Also includes: The protective mechanism (10) includes a boss (12) fixedly installed on the main shaft (3), and a miniature electric actuator (13) is fixedly installed at the bottom of the boss (12), and a protective cover (14) of transparent material is fixedly installed at the output end of the miniature electric actuator (13). The main shaft (3) is provided with a groove (15) for sliding the slider (16), and one end of the slider (16) is fixedly connected to the output end of the micro electric actuator (13). A buffer pad (11) is fixedly installed on the workbench (2).

2. A vertical turret milling machine with buffering and shock absorption function according to claim 1, characterized in that: The sliding groove (15) is provided with a closing mechanism (20), which includes a first multi-stage telescopic plate (21) and a second multi-stage telescopic plate (22) fixedly installed in the sliding groove (15). The first multi-stage telescopic plate (21) and the second multi-stage telescopic plate (22) are both composed of several hollow plates slidably connected.

3. A vertical turret milling machine with buffering and shock absorption function according to claim 2, characterized in that: The hollow plates of the first multi-stage telescopic plate (21) are mutually sealed and slidably connected, and the hollow plates are connected to each other through round holes. An air inlet pipe (23) with a one-way valve is fixedly installed on one side of the first multi-stage telescopic plate (21), and an air outlet pipe (24) with a one-way valve is fixedly installed on one side of the first multi-stage telescopic plate (21) and communicates with the interior. A hollow frame (25) is fixedly installed at the bottom of the main shaft (3). Several air outlets (26) connected to the interior are opened at the bottom of the hollow frame (25). One end of the air outlet pipe (24) is connected to the interior of the hollow frame (25).

4. A vertical turret milling machine with buffering and shock absorption function according to claim 3, characterized in that: A flow guiding component (27) is provided inside the air outlet (26). The flow guiding component (27) includes a filter screen (271) fixedly installed inside the air outlet (26). Several annularly distributed flow guiding plates (272) with arc-shaped cross sections are fixedly installed at the bottom of the filter screen (271).

5. A vertical turret milling machine with buffering and shock absorption function according to claim 4, characterized in that: The hollow plates of the second multi-stage telescopic plate (22) are mutually sealed and slidably connected, and the hollow plates are connected to each other through round holes. The second multi-stage telescopic plate (22) is provided with an air blowing assembly (28), which includes a drainage pipe (281) with a one-way valve and connected to the inside of the second multi-stage telescopic plate (22). The second multi-stage telescopic plate (22) and the hollow frame (25) are connected by an air blowing pipe (282) with a one-way valve.

6. A vertical turret milling machine with buffering and shock absorption function according to claim 1, characterized in that: The slider (16) is provided with a scraping mechanism (30), the scraping mechanism (30) includes a rectangular frame (31) fixedly installed on the slider (16), a sliding rod (32) with a scraper (36) is slidably connected inside the rectangular frame (31), a rubber sleeve (37) is fixedly installed at the bottom of the scraper (36), and an elastic element (33) is fixedly installed between the sliding rod (32) and the rectangular frame (31). An electromagnet (34) is fixedly installed on the top of the slide bar (32), and an electromagnet block (35) is fixedly installed on the inner top of the rectangular frame (31).

7. A vertical turret milling machine with buffering and shock absorption function according to claim 6, characterized in that: A buffer assembly (38) is provided inside the rectangular frame (31). The buffer assembly (38) includes a buffer ring (381) fixedly installed inside the rectangular frame (31). A connecting pipe (382) with a one-way valve is fixedly installed on one side of the buffer ring (381), and a guide pipe (383) with a one-way valve is fixedly installed on one side of the buffer ring (381) and communicates with the interior. The scraper (36) has several through holes (384) on one side, and one end of the guide tube (383) is connected to several through holes (384).

8. A vertical turret milling machine with buffering and shock absorption function according to claim 6, characterized in that: The spindle (3) is provided with a rejection mechanism (40), which includes a cavity (42) opened in the spindle (3), and a connecting rod (43) is slidably connected inside the cavity (42). The elastic element (33) is a hollow elastic ball, and the elastic element (33) and the cavity (42) are connected by a connecting pipe (41).

9. A vertical turret milling machine with buffering and shock absorption function according to claim 8, characterized in that: A connecting plate (44) is fixedly installed at the bottom of the connecting rod (43), and two arc-shaped connectors (45) are fixedly installed on the surface of the connecting plate (44).

10. A vertical turret milling machine with buffering and shock absorption function according to claim 9, characterized in that: Several connecting columns (46) are fixedly installed inside the cavity (42).

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