Automatic positioning and boring equipment for stainless steel plate

Abstract

The present application belongs to the technical field of stainless steel plate boring, in particular to an automatic positioning and boring equipment for stainless steel plate, which comprises a fixed plate slidingly connected to the upper part of a machine body, a cutter head rotatably connected to the lower surface of the fixed plate, a fixed cavity formed in the lower part of the fixed plate, an internal motor fixedly connected inside the fixed plate, an auxiliary gear fixedly connected to the output end of the internal motor, a positioning gear engaged with the auxiliary gear, a fixed column fixedly connected to the lower surface of the positioning gear, and a cutter head arranged on the lower surface of the fixed column; the sliding part comprises a positioning groove formed in the upper surface of a cutter tip, a positioning plate slidingly connected in the positioning groove, a first spring fixedly connected between the positioning plate and the inner wall of the positioning groove, a fixed groove formed in the upper surface of the cutter head, and the cross section of the fixed groove being rectangular; the cutter head composed of the radially displaceable cutter tip solves the problem of scratching the inner wall of the boring hole during the cutter head retraction process.

Description

Technical Field

[0001] This invention belongs to the field of stainless steel plate boring technology, specifically an automatic positioning boring device for stainless steel plates. Background Technology

[0002] Boring, as a precision internal hole machining process, is widely used in the manufacturing of various box-shaped and cylinder-shaped parts. The boring tool unit is the core actuator of the boring equipment, capable of precision machining pre-drilled holes in the workpiece, ensuring the dimensional accuracy and roundness of the internal hole. Existing boring tools come in a variety of structural forms, adaptable to machining scenarios with different hole diameters and allowances, and are widely used in the production of mechanical equipment parts.

[0003] A patent with publication number CN120269039B discloses a boring device for processing container corner fittings, including a worktable. A support frame is fixedly connected to the side wall of the worktable, and a support rod is rotatably connected to the inner wall of the support frame. A control seat is sleeved on the surface of the support rod. A clamping device is provided on the upper surface of the worktable. A folding boring device and a driving device are provided above the worktable. It can use an arc-shaped block and a double threaded rod linkage structure to realize the folding and unfolding function of the boring tool. In the initial state, the double threaded rod is vertically retracted to the circumference of the upper circular plate. The overall retracted diameter is adapted to the standard circular boring hole at the top of the container corner fitting, which is easy to insert. During processing, the electric lifting rod presses down to drive the central column. Through the linkage and the threaded tube, the double threaded rod is rotated and unfolded to the horizontal position, accurately aligning with the circular hole on the side wall of the corner fitting. This design realizes simultaneous processing of circular boring in multiple directions.

[0004] However, in the operation of existing boring equipment, after boring is completed, during the spindle retraction phase, the boring tool tip still maintains the outer diameter of the machined part, and there is contact between the tool tip and the inner wall of the machined hole. As the tool moves axially, the hard tool tip continuously rubs and scrapes the surface of the steel hole, easily forming scratches on the hole wall, damaging the surface finish and contour accuracy of the inner hole. At the same time, the metal chips produced by boring are mostly thin rolls or powder. When the tool retracts, the gap between the tool and the hole wall is narrow, and some chips will be squeezed and stuck between the tool tip and the hole wall. In addition, metal chips are easily hooked and retained at the chip removal groove of the tool. The retained chips will move with the tool, not only continuously scratching the finished hole wall, but also aggravating the wear of the tool edge, affecting the dimensional stability of subsequent machining.

[0005] Therefore, the present invention provides an automatic positioning boring device for stainless steel plates. Summary of the Invention

[0006] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical solution adopted by this invention to solve its technical problem is as follows: An automatic positioning boring device for stainless steel plates, comprising a machine body, a fixed plate slidably connected to the upper part of the machine body, a cutting head rotatably connected to the lower surface of the fixed plate, a fixed cavity formed below the fixed plate, a built-in motor fixedly connected inside the fixed plate, an auxiliary gear fixedly connected to the output end of the built-in motor, the auxiliary gear meshing with a positioning gear, a fixed column fixedly connected to the lower surface of the positioning gear, and a cutting head provided on the lower surface of the fixed column; the cutting head consists of a plurality of cutting blades. The machine body is composed of blades, each blade tip having a sliding component on its upper surface. The sliding component includes a positioning groove on the upper surface of the blade tip, a positioning plate slidably connected within the positioning groove, and a first spring fixed between the positioning plate and the inner wall of the positioning groove. The upper surface of the blade head has a fixing groove with a rectangular cross-section. The bottom end of the blade head has a base block, and a sliding component is also provided between the base block and each blade tip. The upper surface of the machine body has several rotating rods, each with a suction cup at one end for limiting the movement of the steel plate.

[0008] Preferably, the fixed column is provided with an auxiliary component, which includes a wireless motor fixed to the circumferential surface of the fixed column. The output end of the wireless motor is fixed to a rotating gear. An auxiliary groove is provided inside the fixed column, and the rotating gear is rotatably disposed in the auxiliary groove. A rectangular rod is also slidably connected inside the fixed column. A plurality of gear teeth are fixed to one side of the rectangular rod, and the plurality of gear teeth mesh with the rotating gear.

[0009] Preferably, the bottom end of the rectangular rod is further fixed with a plug, and the bottom end of the plug is fixed with a limiting post. Both the plug and the limiting post can be inserted into the inside of the cutter head.

[0010] Preferably, the rectangular rod is further provided with a processing component, the processing component including a connecting cavity formed inside the rectangular rod, the connecting cavity passing through the rectangular rod, the insert post and the limiting post.

[0011] Preferably, the processing component further includes an air pump disposed inside the fixed plate, the fixed plate is provided with a connecting groove, the fixed plate is provided with a top groove corresponding to the position of the rectangular rod, the top wall of the top groove is fixedly connected to a second spring, the bottom end of the second spring is fixedly connected to a top column, and the top column seals the opening at one end of the connecting groove.

[0012] Preferably, an auxiliary column is fixed to the top of the rectangular rod, a rotating groove is formed on the circumferential surface of the auxiliary column, a plurality of auxiliary holes are formed on the upper surface of the rectangular rod, a rotating cavity is formed inside the rectangular rod, the plurality of auxiliary holes are connected to the rotating cavity, and the rotating cavity is connected to the connecting cavity.

[0013] Preferably, a cleaning assembly is provided on one side of the fixed plate. The cleaning assembly includes two limiting blocks fixed to one side of the fixed plate. A limiting guide rail is rotatably connected between the two limiting blocks. A limiting guide groove is formed on one side of the limiting guide rail. A limiting guide rod is slidably connected in the limiting guide groove. An auxiliary ring is fixed to one end of the limiting guide rod. A cleaning ring is rotatably connected in the auxiliary ring. The cleaning ring is used to clean the chip groove of the cutter head.

[0014] Preferably, a plurality of limiting motors are fixedly connected to the upper surface of the auxiliary ring, an auxiliary cavity is formed inside the auxiliary ring, a limiting gear is fixedly connected to the output end of each limiting motor, the limiting gear is located inside the auxiliary cavity, a plurality of limiting gears mesh with the same limiting ring, a cleaning ring is fixedly connected to the inner wall of the limiting ring, and auxiliary guide rails are formed on both the upper and lower surfaces of the limiting ring, and a sliding block is directly slidably connected to the auxiliary guide rail and the inner wall of the auxiliary ring to assist in the rotation of the limiting ring.

[0015] Preferably, during the steel plate boring process, the steel plate is first fixed to the upper surface of the machine body. Several rotating rods and suction cups on the upper surface of the machine body are used to position the steel plate. After positioning, the drive device on the machine body is activated to move the cutter head downwards. Before this, the rectangular rod is initially located inside the fixed post, and its bottom end is inserted into the fixed groove inside the cutter head, thus opening the four cutting tips of the entire cutter head for normal boring work. The rectangular rod locks the cutter head. After the boring work is completed, the wireless motor on the outer surface of the fixed post is activated. The wireless motor drives the rotating gear to rotate, and the rotation of the rotating gear drives the rectangular rod to move upwards, thereby causing the insert and limit post at the bottom of the rectangular rod to disengage from the cutter head. After the rectangular rod, insert, and limit post disengage from the cutter head, the cutting tip of the cutter head will... Under the force of the first spring at the top, the tool is reset, which in turn drives each tool tip to move radially inward, causing the tool head diameter to shrink and complete the work of disengaging from the machining hole wall. At this time, the tool head is driven to move upward to complete the boring work. In addition, after the rectangular rod moves upward, it will abut against the top post inside the fixed plate. The auxiliary post at the top of the rectangular rod pushes the top post upward, squeezing the second spring on the upper surface of the top post. When the auxiliary post is aligned with one end opening of the connecting groove, the high-speed airflow ejected by the air pump inside the fixed plate is sprayed from the connecting groove to the rotating groove, and then enters the auxiliary hole on the upper surface of the rectangular rod. It then converges in the rotating cavity inside the rectangular rod and finally enters the connecting cavity. Then the high-speed airflow enters the fixed groove at the top of the tool head and sprays airflow at the connection of each tool tip to clean the metal debris stuck at the tool tip connection.

[0016] Preferably, after boring is completed and the tool is retracted, the limiting block on one side of the fixed plate is activated. The limiting block drives the limiting guide rail to rotate, so that the auxiliary ring set on one side of the limiting guide rail is directly below the tool head. At this time, by activating the limiting guide rail, the limiting guide rod inside the limiting guide rail driver slides along the limiting guide groove. During the upward sliding of the limiting guide rod, several limiting motors on the upper surface of the auxiliary ring are activated. The activation of several limiting motors drives several limiting gears. The rotation of the limiting gears drives the limiting ring. After the limiting ring rotates, it will drive the cleaning ring fixed to its inner wall to clean the metal chips stuck in the chip groove of the tool head from bottom to top.

[0017] The beneficial effects of this invention are as follows: 1. The stainless steel plate automatic positioning boring equipment of the present invention uses a rectangular rod inserted into a limiting cutter head fixing groove to stably open the cutter tip and achieve rigid locking, effectively resisting the rotational pulling force and cutting impact force during boring operations, ensuring the stability of the cutter tip processing state, and eliminating the problems of hole diameter deviation and shaking. After boring, the rectangular rod is driven upward by a wireless motor and gear transmission to unlock, so that the cutter tip automatically retracts radially under the action of the first spring, making the cutter head diameter smaller than the processing hole diameter. When retracting the cutter, the cutter tip can completely detach from the hole wall, completely avoiding the problem of scraping and wearing the inner wall of the processed hole by the traditional cutter retraction method. At the same time, relying on the linkage of the rectangular rod to trigger the airflow path, the high-speed airflow of the air pump is guided step by step to the connection of the cutter head and the cutter tip, blowing away the metal debris stuck and accumulated in the cutter tip gap, solving the problem of hole wall scratches and tool wear caused by chip jamming. No manual intervention is required, effectively improving the processing yield and equipment service life.

[0018] 2. The automatic positioning boring machine for stainless steel plates described in this invention uses a limiting block to drive the limiting guide rail to rotate, causing the auxiliary ring to rotate directly below the cutting head. Then, the limiting guide rod feeds upward along the limiting guide groove, sending the cleaning ring to the cutting head position. A limiting motor drives the limiting gear to rotate the limiting ring, causing the cleaning ring to clean the chip groove of the cutting head from bottom to top. This removes metal chips stuck inside the chip groove without interfering with the boring operation. It removes residual chips from the gaps, preventing chip accumulation that could cause cutting head jamming or scratches on the workpiece hole wall. This automatic cleaning method replaces manual cleaning, reduces downtime, improves processing continuity, reduces tool wear, ensures the dimensional stability of subsequent boring processes, and improves the yield rate of machined parts. Attached Figure Description

[0019] The invention will now be further described with reference to the accompanying drawings.

[0020] Figure 1 This is a perspective view of Embodiment 1 of the present invention; Figure 2 This is a schematic diagram of the structure of the fixing plate of the present invention; Figure 3This is a schematic diagram of the structure of the auxiliary component of the present invention; Figure 4 This is a schematic diagram of the auxiliary ring structure of the present invention; Figure 5 This is a schematic diagram of the structure of the cutter head of the present invention; Figure 6 This is a cross-sectional view of the fixing plate of the present invention; Figure 7 This is the present invention. Figure 6 Enlarged view of point A in the middle; Figure 8 This is the present invention. Figure 6 Enlarged view of point B in the middle; Figure 9 This is a schematic diagram of the rectangular rod structure of the present invention; Figure 10 This is the present invention. Figure 9 Enlarged view of point C in the middle; Figure 11 This is a cross-sectional view of the auxiliary ring of the present invention.

[0021] In the image: 1. Body; 2. Fixing plate; 21. Fixing post; 22. Cutter head; 23. Wireless motor; 24. Positioning groove; 25. Positioning plate; 26. First spring; 27. Fixing groove; 28. Auxiliary groove; 29. ​​Rotating gear; 210. Gear tooth; 211. Built-in motor; 212. Fixing cavity; 213. Auxiliary gear; 214. Positioning gear; 215. Top groove; 216. Second spring; 217. Top post; 218. Connecting groove; 219. Auxiliary post; 220. Rotating groove; 221. Rotating cavity; 222. Rectangular rod; 223. Connecting cavity; 224. Insert post; 225. Limiting post; 226. Auxiliary hole; 227. Bottom block; 3. Rotating rod; 31. Suction cup; 4. Limiting block; 41. Limiting guide rail; 42. Limiting guide groove; 43. Limiting guide rod; 44. Auxiliary ring; 45. Auxiliary cavity; 46. Limiting gear; 47. Limiting ring; 48. Auxiliary guide rail; 49. Cleaning ring; 410. Limiting motor. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0023] Example 1: As Figures 1 to 11As shown in the embodiment of the present invention, an automatic positioning boring device for stainless steel plates has a fixed plate 2 slidably connected to the upper part of the machine body 1. A cutting head 22 is rotatably connected to the lower surface of the fixed plate 2. A fixed cavity 212 is opened below the fixed plate 2. An internal motor 211 is fixedly connected inside the fixed plate 2. An auxiliary gear 213 is fixedly connected to the output end of the internal motor 211. The auxiliary gear 213 meshes with a positioning gear 214. A fixed column 21 is fixedly connected to the lower surface of the positioning gear 214. The cutting head 22 is provided on the lower surface of the fixed column 21. The cutting head 22 is composed of several cutting tips. Each cutting tip has a sliding member on its upper surface. The sliding member includes a positioning groove 24 opened on the upper surface of the cutting tip. A positioning plate 25 is slidably connected inside the positioning groove 24. A first spring 26 is fixed between the positioning plate 25 and the inner wall of the positioning groove 24. A fixing groove 27 is formed on the upper surface of the cutter head 22. The cross-section of the fixing groove 27 is rectangular. A bottom block 227 is provided at the bottom end of the cutter head 22. A sliding element is also provided between the bottom block 227 and each cutter tip. Several rotating rods 3 are provided on the upper surface of the machine body 1. A suction cup 31 is provided at one end of each rotating rod 3 for limiting the steel plate. An auxiliary component is provided inside the fixing column 21. The auxiliary component includes a wireless motor 23 fixed to the circumference of the fixing column 21. A rotating gear 29 is fixed to the output end of the wireless motor 23. An auxiliary groove is formed inside the fixing column 21. 28. A rotating gear 29 is rotatably mounted in an auxiliary groove 28. A rectangular rod 222 is slidably connected to a fixed column 21. Several gear teeth 210 are fixedly connected to one side of the rectangular rod 222, and these gear teeth 210 mesh with the rotating gear 29. A pin 224 is fixedly connected to the bottom end of the rectangular rod 222, and a limiting post 225 is fixedly connected to the bottom end of the pin 224. Both the pin 224 and the limiting post 225 can be inserted into the cutter head 22. A processing assembly is also provided inside the rectangular rod 222. The processing assembly includes a connecting cavity 223 opened inside the rectangular rod 222, which passes through the rectangular rod 222, the pin 224, and the limiting post 225. The processing assembly also includes a fixed... The air pump inside plate 2, the fixed plate 2 also has a connecting groove 218 inside, the fixed plate 2 has a top groove 215 inside corresponding to the position of the rectangular rod 222, the top wall of the top groove 215 is fixedly connected to a second spring 216, the bottom end of the second spring 216 is fixedly connected to a top column 217, the top column 217 seals one end opening of the connecting groove 218; the top end of the rectangular rod 222 is fixedly connected to an auxiliary column 219, the circumferential surface of the auxiliary column 219 has a rotating groove 220, the upper surface of the rectangular rod 222 has a number of auxiliary holes 226, the inside of the rectangular rod 222 has a rotating cavity 221, the number of auxiliary holes 226 communicate with the rotating cavity 221, the rotating cavity 221 communicates with the connecting cavity 223.

[0024] Specifically, in the use of existing boring equipment, after the boring is completed and during the spindle lifting and retraction phase, the boring tool tip still maintains the outer diameter of the machining, and there is contact between the tool head 22 and the inner wall of the machined hole. As the tool moves axially, the hard tool tip continuously rubs and scrapes the surface of the inner hole of the steel part, which can easily form scratches on the hole wall, damaging the surface finish and contour accuracy of the inner hole. At the same time, the metal chips produced by boring are mostly thin rolls or powder. When the tool retracts, the gap between the tool and the hole wall is narrow, and some chips will be squeezed and stuck between the tool tip and the hole wall. In addition, metal chips are easily hooked and retained at the chip removal groove of the tool. The retained chips will move with the tool, which not only continuously scratches the finished hole wall, but also aggravates the wear of the tool edge and affects the dimensional stability of subsequent machining. Therefore, the present invention solves the above problems by setting the above structure. First, the steel plate is fixed on the upper surface of the machine body 1. The steel plate is positioned by several rotating rods 3 on the upper surface of the machine body 1 and suction cups 31. After the positioning is completed, the drive device on the machine body 1 is started to drive the cutter head 22 to move down. Before this, the rectangular rod 222 is initially located in the fixed post 21, and its bottom end is inserted into the fixed groove 27 opened inside the cutter head 22, thereby opening the four cutting tips of the entire cutter head 22 for normal operation. During boring, the rectangular rod 222 locks the cutter head 22. After boring is completed, the wireless motor 23 on the outer surface of the fixing post 21 is activated. The wireless motor 23 drives the rotating gear 29 to rotate. The rotation of the rotating gear 29 drives the gear teeth 210 to move the rectangular rod 222 upward, thereby disengaging the insert 224 and the limiting post 225 at the bottom of the rectangular rod 222 from the cutter head 22. After the rectangular rod 222, insert 224, and limiting post 225 are disengaged from the cutter head 22, the cutter head 22... The cutting tip of the 2nd tool will be reset under the force of the first spring 26 at the top, which will drive each cutting tip to move inward radially, causing the diameter of the cutting head 22 to shrink and complete the work of disengaging from the machining hole wall. At this time, the cutting head 22 will move upward to complete the boring work. In addition, after the rectangular rod 222 moves upward, it will abut against the top post 217 inside the fixed plate 2. The auxiliary post 219 at the top of the rectangular rod 222 pushes the top post 217 upward, compressing the second spring 216 on the upper surface of the top post 217. When the auxiliary post After aligning one end opening of 219 with the connecting groove 218, the high-speed airflow ejected by the air pump inside the fixing plate 2 is sprayed from the connecting groove 218 to the rotating groove 220, and then enters the auxiliary hole 226 on the upper surface of the rectangular rod 222. It then converges in the rotating cavity 221 inside the rectangular rod 222 and finally enters the connecting cavity 223. Then the high-speed airflow enters the fixing groove 27 at the top of the cutter head 22 and sprays airflow at the connection of each cutter tip to clean the metal debris stuck at the connection of the cutter tip. The rectangular rod 222 is inserted into the fixing groove 27 of the limiting cutter head 22, which stably opens the cutter tip and achieves rigid locking. This effectively resists the rotational pulling force and cutting impact force during boring operations, ensuring the stability of the cutter tip processing state and eliminating problems such as hole diameter deviation and shaking. After boring, the rectangular rod 222 is driven upward by the wireless motor 23 and gear transmission to unlock it. Under the action of the first spring 26, the cutter tip automatically retracts radially, making the diameter of the cutter head 22 smaller than the processing hole diameter. When retracting the cutter, the cutter tip can completely detach from the hole wall, completely avoiding the problem of scraping and wearing the inner wall of the processed hole in the traditional retraction method. At the same time, the rectangular rod 222 is linked to trigger the airflow passage. The high-speed airflow of the air pump is guided step by step to the cutter tip connection of the cutter head 22 to blow away and clean the metal chips stuck and accumulated in the cutter tip gap. This solves the problem of hole wall scratches and tool wear caused by chip jamming. No manual intervention is required, which effectively improves the processing yield and equipment service life.

[0025] Example 2: Figures 1 to 11 As shown in the comparative embodiment one, another embodiment of the present invention is as follows: a cleaning assembly is provided on one side of the fixed plate 2. The cleaning assembly includes two limiting blocks 4 fixedly connected to one side of the fixed plate 2. A limiting guide rail 41 is rotatably connected between the two limiting blocks 4. A limiting guide groove 42 is opened on one side of the limiting guide rail 41. A limiting guide rod 43 is slidably connected in the limiting guide groove 42. An auxiliary ring 44 is fixedly connected to one end of the limiting guide rod 43. A cleaning ring 49 is rotatably connected in the auxiliary ring 44. The cleaning ring 49 is used to clean the chip groove of the cutter head 22; Several limit motors 410 are fixedly connected to the upper surface of the auxiliary ring 44. An auxiliary cavity 45 is provided inside the auxiliary ring 44. Each limit motor 410 has a limit gear 46 fixedly connected to its output end. The limit gear 46 is located inside the auxiliary cavity 45. Several limit gears 46 mesh with the same limit ring 47. A cleaning ring 49 is fixedly connected to the inner wall of the limit ring 47. Auxiliary guide rails 48 are provided on both the upper and lower surfaces of the limit ring 47. A sliding block is directly slidably connected between the auxiliary guide rails 48 and the inner wall of the auxiliary ring 44. The auxiliary limit ring 47 rotates.

[0026] Specifically, after boring is completed and the tool is retracted, the limiting block 4 on one side of the fixed plate 2 is activated. The limiting block 4 drives the limiting guide rail 41 to rotate, so that the auxiliary ring 44 set on one side of the limiting guide rail 41 is located directly below the tool head 22. At this time, by activating the limiting guide rail 41, the limiting guide rod 43 inside the limiting guide rail 41 driver slides along the limiting guide groove 42. During the upward sliding of the limiting guide rod 43, several limiting motors 410 on the upper surface of the auxiliary ring 44 are activated. The activation of several limiting motors 410 drives several limiting gears 46. The rotation of the limiting gears 46 drives the limiting ring 47. After the limiting ring 47 rotates, it will drive the cleaning ring 49 fixed to its inner wall to clean the metal chips stuck in the chip groove of the tool head 22 from bottom to top. The limiting block 4 drives the limiting guide rail 41 to rotate, causing the auxiliary ring 44 to rotate directly below the cutter head 22. Then, the limiting guide rod 43 feeds upward along the limiting guide groove 42, sending the cleaning ring 49 to the position of the cutter head 22. With the help of the limiting motor 410, the limiting gear 46 drives the limiting ring 47 to rotate, so that the cleaning ring 49 cleans the chip groove of the cutter head 22 from bottom to top. It can remove metal chips stuck inside the chip groove, without interfering with the boring operation. It can remove residual chips in the gap, avoiding problems such as the cutter head 22 getting stuck and scratching the workpiece hole wall due to continuous accumulation of chips. This automatic cleaning method replaces manual cleaning, reduces downtime, improves processing continuity, reduces tool wear, ensures the dimensional stability of subsequent boring processing, and improves the yield of parts.

[0027] Working principle: First, the steel plate is fixed to the upper surface of the machine body 1. Several rotating rods 3 on the upper surface of the machine body 1 and the suction cup 31 are used to position the steel plate. After positioning, the drive device on the machine body 1 is activated to move the cutter head 22 downwards. Before this, the rectangular rod 222 is initially located inside the fixed post 21, and its bottom end is inserted into the fixed groove 27 opened inside the cutter head 22, thereby opening the four cutting tips of the entire cutter head 22 for normal boring work. The rectangular rod 222... The cutter head 22 locks in place. After boring, the wireless motor 23 on the outer surface of the fixing post 21 is activated. The wireless motor 23 drives the rotating gear 29 to rotate. The rotation of the rotating gear 29 drives the gear teeth 210 to move the rectangular rod 222 upward, thereby causing the insert post 224 and the limiting post 225 at the bottom of the rectangular rod 222 to disengage from the cutter head 22. After the rectangular rod 222, insert post 224, and limiting post 225 disengage from the cutter head 22, the tip of the cutter head 22 will be at the top. The first spring 26 is used to reset the tool, which in turn drives each tool tip to move radially inward, causing the diameter of the tool head 22 to shrink and complete the work of disengaging from the machining hole wall. At this time, the tool head 22 is driven to move upward to complete the boring work. In addition, after the rectangular rod 222 moves upward, it will abut against the top post 217 inside the fixed plate 2. The auxiliary post 219 at the top of the rectangular rod 222 pushes the top post 217 upward and squeezes the second spring 216 on the upper surface of the top post 217. When the auxiliary post 219 is aligned with one end opening of the connecting groove 218, the high-speed airflow ejected by the air pump inside the fixed plate 2 is sprayed from the connecting groove 218 to the rotating groove 220, and then enters the auxiliary hole 226 on the upper surface of the rectangular rod 222. Then it converges in the rotating cavity 221 inside the rectangular rod 222 and finally enters the connecting cavity 223. Then the high-speed airflow enters the fixed groove 27 at the top of the tool head 22 and sprays airflow at the connection of each tool tip to clean the metal debris stuck at the tool tip connection. By inserting the rectangular rod 222 into the fixing groove 27 of the limiting cutter head 22, the cutter tip is stably opened and rigidly locked, effectively resisting the rotational pulling force and cutting impact force during boring operations, ensuring the stability of the cutter tip processing state, and eliminating the problems of hole diameter deviation and shaking. After boring is completed, the rectangular rod 222 is driven to move upward and unlock by the wireless motor 23 and gear transmission, so that the cutter tip automatically retracts radially under the action of the first spring 26, making the diameter of the cutter head 22 smaller than the processing hole diameter. When retracting the cutter, the cutter tip can completely detach from the hole wall, completely avoiding the problem of scraping and wearing the inner wall of the processed hole by the traditional cutter retraction method. At the same time, the airflow path is triggered by the linkage of the rectangular rod 222, and the high-speed airflow of the air pump is guided to the cutter tip connection point of the cutter head 22 step by step to blow away and clean the metal chips stuck and accumulated in the cutter tip gap, solving the problem of hole wall scratches and tool wear caused by chip jamming. No manual intervention is required, which effectively improves the processing yield and equipment service life. Additionally, after boring is completed and the tool is retracted, the limiting block 4 on one side of the fixed plate 2 is activated. The limiting block 4 drives the limiting guide rail 41 to rotate, so that the auxiliary ring 44 set on one side of the limiting guide rail 41 is located directly below the tool head 22. At this time, by activating the limiting guide rail 41, the limiting guide rod 43 inside the limiting guide rail 41 driver slides along the limiting guide groove 42. During the upward sliding of the limiting guide rod 43, several limiting motors 410 on the upper surface of the auxiliary ring 44 are activated. The activation of several limiting motors 410 drives several limiting gears 46. The rotation of the limiting gears 46 drives the limiting ring 47. After the limiting ring 47 rotates, it will drive the cleaning ring 49 fixed to its inner wall to clean the metal chips stuck in the chip groove of the tool head 22 from bottom to top. The limiting block 4 drives the limiting guide rail 41 to rotate, causing the auxiliary ring 44 to rotate directly below the cutter head 22. Then, the limiting guide rod 43 feeds upward along the limiting guide groove 42, sending the cleaning ring 49 to the position of the cutter head 22. With the help of the limiting motor 410, the limiting gear 46 drives the limiting ring 47 to rotate, so that the cleaning ring 49 cleans the chip groove of the cutter head 22 from bottom to top. It can remove metal chips stuck inside the chip groove, without interfering with the boring operation. It can remove residual chips in the gap, avoiding problems such as the cutter head 22 getting stuck and scratching the workpiece hole wall due to continuous accumulation of chips. This automatic cleaning method replaces manual cleaning, reduces downtime, improves processing continuity, reduces tool wear, ensures the dimensional stability of subsequent boring processing, and improves the yield of parts.

[0028] 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 present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic positioning boring device for stainless steel plates, comprising a body (1), a fixed plate (2) slidably connected to the upper part of the body (1), and a cutting head (22) rotatably connected to the lower surface of the fixed plate (2), characterized in that: A fixing cavity (212) is provided below the fixing plate (2). An internal motor (211) is fixedly connected inside the fixing plate (2). An auxiliary gear (213) is fixedly connected to the output end of the internal motor (211). The auxiliary gear (213) meshes with a positioning gear (214). A fixing column (21) is fixedly connected to the lower surface of the positioning gear (214). A cutter head (22) is provided on the lower surface of the fixing column (21). The cutter head (22) is composed of several blade tips. Each blade tip has a sliding member on its upper surface. The sliding member includes a positioning groove (24) on the upper surface of the blade tip. A positioning plate (25) is slidably connected in the positioning groove (24). A first spring (26) is fixed between the positioning plate (25) and the inner wall of the positioning groove (24). A fixing groove (27) is provided on the upper surface of the cutter head (22). The cross-section of the fixing groove (27) is rectangular. A bottom block (227) is provided at the bottom end of the cutter head (22). A sliding member is also provided between the bottom block (227) and each blade tip. The upper surface of the machine body (1) is provided with several rotating rods (3), and one end of each rotating rod (3) is provided with a suction cup (31) for limiting the position of the steel plate.

2. The automatic positioning boring device for stainless steel plates according to claim 1, characterized in that: An auxiliary component is provided inside the fixed column (21). The auxiliary component includes a wireless motor (23) fixed to the circumferential surface of the fixed column (21). A rotating gear (29) is fixed to the output end of the wireless motor (23). An auxiliary groove (28) is provided inside the fixed column (21). The rotating gear (29) is rotatably disposed in the auxiliary groove (28). A rectangular rod (222) is also slidably connected inside the fixed column (21). Several gear teeth (210) are fixed to one side of the rectangular rod (222). Several gear teeth (210) mesh with the rotating gear (29).

3. The automatic positioning boring device for stainless steel plates according to claim 2, characterized in that: The bottom end of the rectangular rod (222) is also fixed with a plug (224), and the bottom end of the plug (224) is fixed with a limiting post (225). Both the plug (224) and the limiting post (225) can be inserted into the inside of the cutter head (22).

4. The automatic positioning boring machine for stainless steel plates according to claim 3, characterized in that: The rectangular rod (222) is also provided with a processing component, which includes a connecting cavity (223) opened inside the rectangular rod (222), and the connecting cavity (223) passes through the rectangular rod (222), the insert post (224) and the limiting post (225).

5. The automatic positioning boring device for stainless steel plates according to claim 4, characterized in that: The processing assembly also includes an air pump disposed inside the fixed plate (2). The fixed plate (2) is also provided with a connecting groove (218). The fixed plate (2) is provided with a top groove (215) at the position corresponding to the rectangular rod (222). A second spring (216) is fixedly connected to the top wall of the top groove (215). A top column (217) is fixedly connected to the bottom end of the second spring (216). The top column (217) seals the opening at one end of the connecting groove (218).

6. The automatic positioning boring device for stainless steel plates according to claim 5, characterized in that: An auxiliary column (219) is fixed to the top of the rectangular rod (222). A rotating groove (220) is provided on the circumferential surface of the auxiliary column (219). A plurality of auxiliary holes (226) are provided on the upper surface of the rectangular rod (222). A rotating cavity (221) is provided inside the rectangular rod (222). The plurality of auxiliary holes (226) are connected to the rotating cavity (221). The rotating cavity (221) is connected to the connecting cavity (223).

7. The automatic positioning boring device for stainless steel plates according to claim 1, characterized in that: A cleaning assembly is provided on one side of the fixed plate (2). The cleaning assembly includes two limiting blocks (4) fixed to one side of the fixed plate (2). A limiting guide rail (41) is rotatably connected between the two limiting blocks (4). A limiting guide groove (42) is opened on one side of the limiting guide rail (41). A limiting guide rod (43) is slidably connected in the limiting guide groove (42). An auxiliary ring (44) is fixed to one end of the limiting guide rod (43). A cleaning ring (49) is rotatably connected in the auxiliary ring (44). The cleaning ring (49) is used to clean the chip groove of the cutter head (22).

8. The automatic positioning boring machine for stainless steel plates according to claim 7, characterized in that: A plurality of limit motors (410) are fixedly connected to the upper surface of the auxiliary ring (44). An auxiliary cavity (45) is provided inside the auxiliary ring (44). A limit gear (46) is fixedly connected to the output end of each limit motor (410). The limit gear (46) is located inside the auxiliary cavity (45). A plurality of limit gears (46) mesh with the same limit ring (47). A cleaning ring (49) is fixedly connected to the inner wall of the limit ring (47). An auxiliary guide rail (48) is provided on both the upper and lower surfaces of the limit ring (47). A sliding block is directly slidably connected between the auxiliary guide rail (48) and the inner wall of the auxiliary ring (44). The auxiliary limit ring (47) rotates.

9. The automatic positioning boring machine for stainless steel plates according to claim 6, characterized in that: During the boring process of the steel plate, the steel plate is first fixed on the upper surface of the machine body (1). The steel plate is positioned by several rotating rods (3) on the upper surface of the machine body (1) and the suction cup (31). After the positioning is completed, the drive device on the machine body (1) is started to drive the cutter head (22) to move down. Before this, the rectangular rod (222) is initially located in the fixed column (21), and its bottom end is inserted into the fixed groove (27) opened inside the cutter head (22), thereby opening the four cutting tips of the entire cutter head (22) to carry out normal boring work. The tool head (22) is locked. After the boring work is completed, the wireless motor (23) on the outer surface of the fixed post (21) is started first. The wireless motor (23) drives the rotating gear (29) to rotate. The rotation of the rotating gear (29) drives the gear teeth (210) to move the rectangular rod (222) upward, so that the insert (224) and the limiting post (225) at the bottom of the rectangular rod (222) are separated from the tool head (22). After the rectangular rod (222), insert (224) and limiting post (225) are separated from the tool head (22), the tool head (222) is locked. 2) The cutting tip will be reset under the force of the first spring (26) at the top, which will drive each cutting tip to move radially inward, causing the diameter of the cutting head (22) to shrink and complete the work of separating from the machining hole wall. At this time, the cutting head (22) will be driven to move upward to complete the boring work. In addition, after the rectangular rod (222) moves upward, it will abut against the top post (217) inside the fixed plate (2). The auxiliary post (219) at the top of the rectangular rod (222) pushes the top post (217) upward, squeezing the second spring (216) on the upper surface of the top post (217). When the auxiliary post ( 219) After aligning with the opening at one end of the connecting groove (218), the high-speed airflow ejected by the air pump inside the fixing plate (2) is sprayed from the connecting groove (218) to the rotating groove (220), and then enters the auxiliary hole (226) on the upper surface of the rectangular rod (222), and then converges in the rotating cavity (221) inside the rectangular rod (222), and finally enters the connecting cavity (223). Then the high-speed airflow enters the fixing groove (27) at the top of the cutter head (22) and sprays airflow at the connection of each cutter tip to clean the metal debris stuck at the connection of the cutter tip.

10. The automatic positioning boring device for stainless steel plates according to claim 8, characterized in that: After boring is completed and the tool is retracted, the limiting block (4) on one side of the fixed plate (2) is activated. The limiting block (4) drives the limiting guide rail (41) to rotate, so that the auxiliary ring (44) set on one side of the limiting guide rail (41) is located directly below the tool head (22). At this time, by activating the limiting guide rail (41), the limiting guide rod (43) inside the limiting guide rail (41) driver slides along the limiting guide groove (42). During the upward sliding of the limiting guide rod (43), several limiting motors (410) on the upper surface of the auxiliary ring (44) are activated. The activation of several limiting motors (410) drives several limiting gears (46). The rotation of the limiting gears (46) drives the limiting ring (47). After the limiting ring (47) rotates, it will drive the cleaning ring (49) fixed to its inner wall to clean the metal chips stuck in the chip groove of the tool head (22) from bottom to top.

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