An intelligent PDC drill bit with rotatable chip teeth

Abstract

The present invention discloses a rotatable chip tooth intelligent PDC drill bit, which relates to the technical field of drill bits. The present invention includes a fixed column and a mounting column, wherein the interior of the fixed column is rotatably connected to a rotating shaft, and the mounting column is rotatably connected to a drill bit body at one end away from the fixed column, and a convenient connection mechanism is provided on the surface of the rotating shaft. The present invention uses the setting of the convenient connection mechanism so that when the entire device is installed, the arc block A can be pressed first to retract it into the groove, and then the mounting column is manually driven to move to the left so that the thread block enters the thread groove and rotates the thread block for connection, and the rotating shaft will be inserted into the slot. At this time, the drill bit body can be manually rotated so that the slot coincides with the groove on the surface of the rotating shaft. When the slot coincides with the groove, the telescopic spring drives the arc block to snap into the slot to complete the installation. When the body drives the rotating shaft to rotate, it will drive the drill bit body to rotate, and the mounting column will not rotate because it is connected to the fixed column fixed to the body.

Description

Technical Field

[0001] The present invention relates to the technical field of drill bits, in particular to an intelligent PDC drill bit with rotatable chip teeth. Background Art

[0002] PDC drill bit generally refers to polycrystalline diamond composite drill bit. The polycrystalline diamond composite drill bit is a composite piece with a circular shape that is welded on a cylindrical cutting tool. The cutting tool is mounted on the drill bit body, which is called a PDC drill bit.

[0003] The patent document with publication number CN118148505B discloses a rotatable chip tooth intelligent drill bit, including a drill bit body and a drill bit connector, and also includes: a rotating PDC composite piece mechanism, installed on the drill bit connector, including a composite piece jacket and a special-shaped composite piece assembly installed on the composite piece jacket; a rotating drive mechanism, installed on the drill bit body, used to drive the special-shaped composite piece assembly to rotate, including a blade drive chamber, a blade drive chamber cover plate, a driven gear, a ratchet drive rack, a ratchet shaft, a ratchet, a driving gear, a driven gear shaft, a special-shaped gear and a ratchet locking plate.

[0004] In the above application documents, a micro motor is rotated to drive the high-pressure oil pump to rotate, so that the hydraulic oil in the hydraulic oil chamber is sucked into the pump body and output to the hydraulic oil outlet of the high-pressure oil pump at high pressure. The kinetic energy of the high-pressure oil drives the special-shaped composite sheet assembly to rotate. It is more troublesome to assemble the entire device. If the assembly is not good, it is easy to affect the rotation of the special-shaped composite sheet assembly. In addition, the high-pressure oil circulates inside the device, which makes the rotation effect of the special-shaped composite sheet assembly poor. Its kinetic energy cannot ensure the stable rotation of the special-shaped composite sheet assembly. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a rotatable chip tooth intelligent PDC drill bit, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rotatable chip-tooth intelligent PDC drill bit, comprising a fixed column and a mounting column, the internal rotation of the fixed column is connected to a rotating shaft, the mounting column is rotatably connected to the drill bit body at one end away from the fixed column, the surface of the rotating shaft is provided with a convenient connection mechanism, and the surface of the drill bit body is provided with a rotating chip tooth mechanism; the convenient connection mechanism includes a thread groove, a groove and a slot, the thread groove is opened on the side of the fixed column, the internal thread of the thread groove is connected to a thread block, the end of the thread block away from the thread groove is fixedly connected to the mounting column, the groove is opened on the surface of the rotating shaft, a telescopic spring is provided inside the groove, the interior of the groove is elastically connected to an arc block A through the telescopic spring, the slot is opened at one end of the drill bit body close to the mounting column, and a card slot is opened on the inner wall of the slot.

[0007] According to the above technical solution, the opening size of the groove is equal to the opening size of the card slot, and the arc surface of the arc block A faces away from the drill body. When the arc surface of the arc block A is subjected to force, it will move into the groove.

[0008] According to the above technical solution, in the initial state, half of the arc block A is located in the slot, the longitudinal depth of the groove is greater than the longitudinal length of the arc block A, and the arc block A can be completely retracted into the groove. When the arc block A is stuck in the slot, the rotation of the rotating shaft will drive the drill body to rotate.

[0009] According to the above technical solution, the rotating chip tooth mechanism includes a blade, a storage body, a pressure chamber, a connecting rod, a connecting tube and an infusion tube. The blade is fixedly connected to the surface of the drill body, and the surface of the blade passes through and is rotatably connected to the PDC tooth. The end of the PDC tooth close to the inside of the drill body is fixedly connected to the rotating shaft, and the surface of the rotating shaft is fixedly connected to the blade. The storage body and the pressure chamber are both opened inside the mounting column. A micro motor is provided inside the storage body, and the output shaft of the micro motor is fixedly connected to the turntable. The front end of the turntable is fixedly connected to the connecting column A. The internal piston of the pressure chamber is slidably connected to a piston ring, and the side of the piston ring is fixedly connected to a moving rod, the moving rod passes through and is slidably connected to the warehouse body, the front end of the moving rod is fixedly connected to a connecting column B, the two ends of the connecting rod are rotatably connected to the connecting column A and the connecting column B respectively, the connecting pipe passes through and is fixedly connected to the pressure chamber, the infusion tube is fixedly connected to the inside of the drill body, a liquid outlet is provided at the end of the blade away from the mounting column, a one-way rotating component is provided inside the blade, and an anti-clogging filter mechanism is provided inside the pressure chamber.

[0010] According to the above technical solution, the two ends of the infusion tube are respectively connected to the interior of the blade and the pressure chamber. A one-way valve is provided inside the connecting tube and the infusion tube. When the cooling water in the pressure chamber is squeezed, it will enter the blade through the infusion tube.

[0011] According to the above technical solution, the one-way rotating component includes an annular groove and a slide cylinder. The annular groove is opened inside the blade, and a tooth block is fixedly connected to the inner wall of the annular groove. The slide cylinder is fixedly connected to the surface of the rotating shaft, and a compression spring is provided inside the slide cylinder. The interior of the slide cylinder is elastically connected to an arc block B through the compression spring.

[0012] According to the above technical solution, the tooth block is square as a whole, and the end of the arc block B away from the slide is close to the inner wall of the annular groove. When the slide rotates with the shaft, it drives the arc block B to contact the tooth block.

[0013] According to the above technical solution, the arc surface of the arc block B faces counterclockwise, and the internal depth of the slide is greater than the length of the arc block B. The arc surface direction of the arc block B causes the slide and the rotating shaft to only rotate in a counterclockwise direction.

[0014] According to the above technical solution, the anti-clogging filtering mechanism includes a hydraulic chamber and a filter screen. The hydraulic chamber is fixedly connected to the inside of the pressure chamber. The internal piston at one end of the hydraulic chamber is slidingly connected to the piston rod A. The end of the piston rod A away from the hydraulic chamber is fixedly connected to the pressure plate. The surface of the piston rod A is sleeved with a return spring. The internal piston at the other end of the hydraulic chamber is slidingly connected to the piston rod B, and the filter screen is fixedly connected to the inside of the connecting pipe.

[0015] According to the above technical solution, the two ends of the return spring respectively conflict with the pressure plate and the hydraulic chamber, and the end of the piston rod B away from the hydraulic chamber is close to the bottom of the filter. When the pressure plate moves to the right, the return spring will be compressed, and when the piston rod B moves upward, it will collide with the filter.

[0016] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art:

[0017] (1) The present invention provides a convenient connection mechanism so that when installing the entire device, the arc block A can be pressed to retract into the groove, and then the installation column can be manually driven to move to the left so that the threaded block enters the threaded groove and rotates the threaded block to connect, and the rotating shaft will be inserted into the slot. At this time, the drill body can be manually rotated so that the slot coincides with the groove on the surface of the rotating shaft. When the slot coincides with the groove, the telescopic spring drives the arc block to be inserted into the slot to complete the installation. When the body drives the rotating shaft to rotate, the drill body will also be driven to rotate, while the installation column is connected to the fixed column fixed on the body and will not rotate.

[0018] (2) The present invention sets a rotating chip tooth mechanism so that the machine body drives the rotating shaft to rotate. In the process of the rotating shaft driving the drill body to rotate, the water source can be connected to the external water source through the connecting pipe and the micro motor is turned on to drive the turntable to rotate. The rotation of the turntable will cause the cooling water to flow through the connecting column A, connecting column B, connecting rod, pressure chamber and other components to drive the rotating shaft and PDC teeth to rotate and be discharged from the liquid outlet. The rotation of the PDC teeth improves the drilling effect, and the cooling water can cool the blade. The one-way rotating component allows the rotating shaft to rotate only in one direction, thereby ensuring that the cooling water can stably drive the rotating shaft to rotate.

[0019] (3) The present invention sets up an anti-clogging filter mechanism so that the filter can filter the water source. At the same time, the piston rod B is driven to move up and down repeatedly to hit the filter through the cooperation of the pressure plate, piston rod A, hydraulic chamber and other components, causing the filter to vibrate, thereby preventing impurities from accumulating on the surface of the filter and causing blockage, which affects the entry of cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention;

[0021] Figure 2 A three-dimensional cross-sectional view of the overall structure of the present invention;

[0022] Figure 3 A three-dimensional cross-sectional view of the convenient connection mechanism and the rotating chip tooth mechanism of the present invention;

[0023] Figure 4 For the present invention Figure 3 A magnified view of the structure at center A;

[0024] Figure 5 It is a three-dimensional schematic diagram of the overall structure of the present invention when separated;

[0025] Figure 6 A three-dimensional cross-sectional view of the structure of the drill bit body of the present invention;

[0026] Figure 7 A three-dimensional cross-sectional view of the blade structure of the present invention;

[0027] Figure 8 For the present invention Figure 7 A magnified view of the structure at B in the middle;

[0028] Figure 9 A three-dimensional cross-sectional view of the one-way rotating assembly structure of the present invention;

[0029] Figure 10 For the present invention Figure 9 A magnified view of the structure at center C;

[0030] Figure 11 It is a three-dimensional schematic diagram of the anti-clogging filter mechanism structure of the present invention.

[0031] Figure: 1. Fixed column; 2. Rotating shaft; 3. Mounting column; 4. Drill body; 5. Convenient connection mechanism; 51. Thread groove; 52. Thread block; 53. Groove; 54. Telescopic spring; 55. Arc block A; 56. Slot; 57. Clamping slot; 6. Rotating chip tooth mechanism; 61. Blade; 62. PDC tooth; 63. Rotating shaft; 64. Blade; 65. Chamber; 66. Micro motor; 67. Rotating disk; 68. Connecting column A; 69. Pressure Cavity; 610, piston ring; 611, moving rod; 612, connecting column B; 613, connecting rod; 614, connecting tube; 615, infusion tube; 616, liquid outlet; 7, one-way rotation component; 71, ring groove; 72, tooth block; 73, slide cylinder; 74, compression spring; 75, arc block B; 8, anti-clogging filter mechanism; 81, hydraulic chamber; 82, piston rod A; 83, pressure plate; 84, return spring; 85, piston rod B; 86, filter screen. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] See also Figure 1 - Figure 11 One embodiment of the present invention is: a rotatable chip tooth intelligent PDC drill bit, including a fixed column 1 and a mounting column 3, the fixed column 1 is rotatably connected to a rotating shaft 2, the mounting column 3 is rotatably connected to a drill bit body 4 at one end away from the fixed column 1, a convenient connection mechanism 5 is provided on the surface of the rotating shaft 2, and a rotating chip tooth mechanism 6 is provided on the surface of the drill bit body 4; the convenient connection mechanism 5 includes a thread groove 51, a groove 53 and a slot 56, the thread groove 51 is opened on the side of the fixed column 1, the thread groove 51 is internally threadedly connected to a thread block 52, the thread block 52 is fixedly connected to the mounting column 3 at one end away from the thread groove 51, the groove 53 is opened on the surface of the rotating shaft 2, and a telescopic elastic spring is provided inside the groove 53. Spring 54, the interior of the groove 53 is elastically connected with an arc block A55 through a telescopic spring 54, a slot 56 is opened at one end of the drill body 4 close to the mounting column 3, and a card slot 57 is opened on the inner wall of the slot 56. The opening size of the groove 53 is equal to the opening size of the card slot 57. The arc surface of the arc block A55 faces away from the drill body 4. When the arc surface of the arc block A55 is subjected to force, it will move into the groove 53. In the initial state, one-half of the arc block A55 is located in the card slot 57. The longitudinal depth of the groove 53 is greater than the longitudinal length of the arc block A55. The arc block A55 can be completely retracted into the groove 53. When the arc block A55 is stuck in the card slot 57, the rotation of the rotating shaft 2 will drive the drill body 4 to rotate.

[0034] When in use, the fixing column 1 is fixedly connected to the machine body, and the rotating shaft 2 is connected to the output shaft of the machine body. When the entire device needs to be installed, the arc block A55 is pressed to retract it into the groove 53, the telescopic spring 54 is compressed, and the installation column 3 is manually driven to move to the left so that the threaded block 52 enters the threaded groove 51, and the threaded block 52 is rotated to connect the installation column 3 with the fixing column 1. The side end of the rotating shaft 2 will enter the slot 56, and the arc block A55 will be squeezed into the groove 53 all the time. If the rotating shaft 2 moves to the right so that the groove 53 coincides with the card slot 57, the telescopic spring 54 will rebound and drive the arc block A55 to snap into the card slot 57. If the groove 53 does not coincide with the card slot 57, the drill body 4 can be manually rotated to The slot 57 is coincident with the groove 53 to complete the installation. When the body is opened and the rotating shaft 2 is driven to rotate by the body output shaft, the rotation of the rotating shaft 2 will drive the drill body 4 to rotate synchronously through the cooperation of the arc block A55 and the slot 57, while the mounting column 3 is connected to the fixed column 1 fixed on the body and will not rotate. The rotation of the drill body 4 drives the blade 61 to rotate and cooperate with the PDC tooth 62 to perform drilling. When the whole needs to be disassembled, the mounting column 3 is rotated in the opposite direction to make the threaded block 52 leave the threaded groove 51, and the rotating shaft 2 moves to the right to leave the slot 56. At the beginning, the arc surface of the arc block A55 is squeezed and retracted into the groove 53. When the groove 53 is fully exposed, the arc block A55 pops out again.

[0035] See also Figure 1 - Figure 11On the basis of the above embodiment, in another embodiment of the present invention, the rotating chip tooth mechanism 6 includes a blade 61, a chamber 65, a pressure chamber 69, a connecting rod 613, a connecting tube 614 and an infusion tube 615. The blade 61 is fixedly connected to the surface of the drill body 4. The surface of the blade 61 is penetrated and rotatably connected with the PDC tooth 62. The end of the PDC tooth 62 close to the inside of the drill body 4 is fixedly connected to the rotating shaft 63. The surface of the rotating shaft 63 is fixedly connected to the blade 64. The chamber 65 and the pressure chamber 69 are both opened inside the mounting column 3. A micro motor 66 is provided inside the chamber 65. The output shaft of the micro motor 66 is fixedly connected to the turntable 67. The front end of the turntable 67 is fixedly connected to the connecting column A68. The internal piston of the pressure chamber 69 A piston ring 610 is slidably connected, and a moving rod 611 is fixedly connected to the side of the piston ring 610. The moving rod 611 passes through and is slidably connected to the warehouse body 65. The front end of the moving rod 611 is fixedly connected to the connecting column B612. The two ends of the connecting rod 613 are rotatably connected to the connecting column A68 and the connecting column B612 respectively. The connecting pipe 614 passes through and is fixedly connected to the pressure chamber 69. The infusion pipe 615 is fixedly connected to the inside of the drill body 4. A liquid outlet 616 is provided at the end of the blade wing 61 away from the mounting column 3. A one-way rotating component 7 is provided inside the blade wing 61. The one-way rotating component 7 includes an annular groove 71 and a slide cylinder 73. The annular groove 71 is provided inside the blade wing 61. A tooth block 72 is fixedly connected to the inner wall of the annular groove 71. The slide cylinder 73 is fixed The cam 75 is fixedly connected to the surface of the rotating shaft 63, and a compression spring 74 is provided inside the slide 73. The interior of the slide 73 is elastically connected to the arc block B75 through the compression spring 74. The tooth block 72 is square as a whole, and the end of the arc block B75 away from the slide 73 is close to the inner wall of the annular groove 71. When the slide 73 rotates with the rotating shaft 63, it will drive the arc block B75 to contact the tooth block 72. The arc surface of the arc block B75 faces counterclockwise, and the internal depth of the slide 73 is greater than the length of the arc block B75. The arc surface direction of the arc block B75 causes the slide 73 and the rotating shaft 63 to only rotate in one direction counterclockwise. The interior of the pressure chamber 69 is provided with an anti-clogging filter mechanism 8, and the two ends of the infusion tube 615 are respectively connected to the interior of the blade 61 and the pressure chamber 69 They are connected, and a one-way valve is provided inside the connecting pipe 614 and the infusion pipe 615. When the cooling water in the pressure chamber 69 is squeezed, it will enter the blade 61 through the infusion pipe 615. The anti-clogging filter mechanism 8 includes a hydraulic tank 81 and a filter screen 86. The hydraulic tank 81 is fixedly connected to the inside of the pressure chamber 69. The internal piston at one end of the hydraulic tank 81 is slidably connected to the piston rod A82. The end of the piston rod A82 away from the hydraulic tank 81 is fixedly connected to the pressure plate 83. The surface of the piston rod A82 is sleeved with a return spring 84. The internal piston at the other end of the hydraulic tank 81 is slidably connected to the piston rod B85. The filter screen 86 is fixedly connected to the inside of the connecting pipe 614. The two ends of the return spring 84 are respectively in conflict with the pressure plate 83 and the hydraulic tank 81.The end of the piston rod B85 away from the hydraulic chamber 81 is close to the bottom of the filter 86. When the pressure plate 83 moves to the right, the return spring 84 is compressed. When the piston rod B85 moves upward, it collides with the filter 86.

[0036] When in use, an external water source is connected through the connecting pipe 614. When the rotating shaft 2 rotates through the cooperation of the arc block A55 and the card slot 57 to drive the drill body 4 to rotate synchronously, the micro motor 66 can be turned on to drive the turntable 67 to rotate. The rotation of the turntable 67 drives the connecting column A68 to rotate. The rotation of the connecting column A68 will drive the moving rod 611 to repeatedly move horizontally through the connecting rod 613 and the connecting column B612. When the moving rod 611 moves horizontally, it will drive the piston ring 610 to move. When the moving rod 611 drives the piston ring 610 to move to the right, the piston ring The movement of 610 to the right squeezes the cooling water in the pressure chamber 69 so that it enters the blade 61 through the infusion pipe 615 and is finally discharged from the liquid outlet 616. Then, when the moving rod 611 drives the piston ring 610 to move to the left to restore, the negative pressure formed in the pressure chamber 69 will absorb the external water source through the connecting pipe 614 into the pressure chamber 69 to form a supplement. The filter 86 can prevent the entry of impurities, and the cycle is thus completed. The kinetic energy of the cooling water in the flow process will drive the shaft 63 to rotate through the blade 64, and the arc surface direction of the arc block B75 As a result, the slide 73 and the shaft 63 can only rotate in one direction, counterclockwise, to ensure that the kinetic energy of the cooling water can stably drive the shaft 63 to rotate. The rotation of the shaft 63 drives the PDC teeth 62 to rotate to improve the drilling effect. The cooling water passing through the inside of the blade 61 can also have a cooling effect. The overall effect of driving the PDC teeth 62 to rotate is more stable. When the piston ring 610 moves to the right, it will contact the pressure plate 83 and drive the pressure plate 83 to move to the right. The rightward movement of the pressure plate 83 drives the piston rod A82 to move to the right, and the return spring 84 is compressed, and the piston rod A82 moves to the right, which drives the piston rod B85 upward to hit the filter 86 through the hydraulic pressure in the hydraulic chamber 81. When the piston ring 610 leaves the pressure plate 83, the return spring 84 rebounds and drives the pressure plate 83 and the piston rod A82 to move to the left to restore. At this time, the hydraulic pressure in the hydraulic chamber 81 drives the piston rod B85 to move downward to restore. The piston rod B85 repeatedly moves up and down and hits the filter 86, causing the filter 86 to shake, preventing impurities from accumulating on the surface of the filter 86 and causing blockage, which affects the entry of cooling water.

[0037] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A rotatable chip tooth intelligent PDC drill bit, comprising a fixed column (1) and a mounting column (3), characterized in that: The interior of the fixed column (1) is rotatably connected to a rotating shaft (2), the end of the mounting column (3) away from the fixed column (1) is rotatably connected to a drill body (4), a convenient connection mechanism (5) is provided on the surface of the rotating shaft (2), and a rotating chip tooth mechanism (6) is provided on the surface of the drill body (4); The convenient connection mechanism (5) comprises a thread groove (51), a groove (53) and a slot (56), wherein the thread groove (51) is provided on the side of the fixed column (1), the internal thread of the thread groove (51) is connected to a thread block (52), and the end of the thread block (52) away from the thread groove (51) is fixedly connected to the mounting column (3), the groove (53) is provided on the surface of the rotating shaft (2), a telescopic spring (54) is provided inside the groove (53), and the interior of the groove (53) is elastically connected to an arc block A (55) via the telescopic spring (54), and the slot (56) is provided at one end of the drill body (4) close to the mounting column (3), and a clamping groove (57) is provided on the inner wall of the slot (56); The rotating chip tooth mechanism (6) comprises a blade (61), a housing (65), a pressure chamber (69), a connecting rod (613), a connecting tube (614) and a fluid infusion tube (615). The blade (61) is fixedly connected to the surface of the drill bit body (4). The surface of the blade (61) is penetrated by and rotatably connected to a PDC tooth (62). One end of the PDC tooth (62) close to the interior of the drill bit body (4) is fixedly connected to a rotating shaft (63). The surface of the rotating shaft (63) is fixedly connected to a blade (64). The housing (65) and the pressure chamber (69) are both opened inside the mounting column (3). A micro motor (66) is provided inside the housing (65). The output shaft of the micro motor (66) is fixedly connected to a rotating disk (67). The front end of the rotating disk (67) is fixedly connected to a connecting column A (68). The internal piston of the pressure chamber (69) is slidably connected to a piston ring (610), and the side of the piston ring (610) is fixedly connected to a moving rod (611), the moving rod (611) passes through and is slidably connected to the chamber body (65), the front end of the moving rod (611) is fixedly connected to a connecting column B (612), the two ends of the connecting rod (613) are rotatably connected to the connecting column A (68) and the connecting column B (612), the connecting pipe (614) passes through and is fixedly connected to the pressure chamber (69), the infusion pipe (615) is fixedly connected to the inside of the drill bit body (4), the end of the blade (61) away from the mounting column (3) is provided with a liquid outlet (616), the inside of the blade (61) is provided with a one-way rotating component (7), and the inside of the pressure chamber (69) is provided with an anti-clogging filter mechanism (8).

2. The intelligent PDC drill bit with rotatable chip teeth according to claim 1, characterized in that: The opening size of the groove (53) is equal to the opening size of the clamping slot (57), and the arc surface of the arc block A (55) faces away from the drill body (4).

3. The intelligent PDC drill bit with rotatable chip teeth according to claim 2, characterized in that: In the initial state, one-half of the arc-shaped block A (55) is located in the slot (57), and the longitudinal depth of the groove (53) is greater than the longitudinal length of the arc-shaped block A (55).

4. The rotatable chip tooth intelligent PDC drill bit according to claim 3, characterized in that: Both ends of the infusion tube (615) are connected to the interior of the blade (61) and the pressure chamber (69), respectively. One-way valves are provided inside both the connecting tube (614) and the infusion tube (615).

5. The intelligent PDC drill bit with rotatable chip teeth according to claim 4, characterized in that: The one-way rotating assembly (7) includes an annular groove (71) and a slide (73), wherein the annular groove (71) is provided inside the blade (61), a tooth block (72) is fixedly connected to the inner wall of the annular groove (71), and the slide (73) is fixedly connected to the surface of the rotating shaft (63), a compression spring (74) is provided inside the slide (73), and an arc block B (75) is elastically connected inside the slide (73) via the compression spring (74).

6. The intelligent PDC drill bit with rotatable chip teeth according to claim 5, characterized in that: The tooth block (72) is square in shape as a whole, and the end of the arc block B (75) away from the slide cylinder (73) is close to the inner wall of the annular groove (71).

7. The intelligent PDC drill bit with rotatable chip teeth according to claim 6, characterized in that: The arc surface of the arc block B (75) faces counterclockwise, and the inner depth of the slide cylinder (73) is greater than the length of the arc block B (75).

8. The intelligent PDC drill bit with rotatable chip teeth according to claim 7, characterized in that: The anti-clogging filtering mechanism (8) includes a hydraulic chamber (81) and a filter (86), wherein the hydraulic chamber (81) is fixedly connected to the inside of the pressure chamber (69), the internal piston at one end of the hydraulic chamber (81) is slidably connected to a piston rod A (82), the end of the piston rod A (82) away from the hydraulic chamber (81) is fixedly connected to a pressure plate (83), the surface of the piston rod A (82) is sleeved with a return spring (84), the internal piston at the other end of the hydraulic chamber (81) is slidably connected to a piston rod B (85), and the filter (86) is fixedly connected to the inside of the connecting pipe (614).

9. The intelligent PDC drill bit with rotatable chip teeth according to claim 8, characterized in that: The two ends of the return spring (84) respectively contact the pressure plate (83) and the hydraulic chamber (81), and the end of the piston rod B (85) away from the hydraulic chamber (81) is close to the bottom of the filter (86).

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