357results about "Boring/drilling machines" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

An automatic drilling machine for brake pad steel backing includes a drilling device, a base, a position adjustment device, a steel backing support device, and a material conveying device. The drilling device includes a central shaft, a support frame, a moving frame, a guide cylinder, and a linkage mechanism. The support frame is moved by the position adjustment device. The central shaft is slidably and rotatably mounted on the support frame, and a drill bit is fixedly mounted at the front end of the central shaft. The moving frame is slidably and rotatably mounted on the support frame, and a plurality of flip plates are rotatably and elastically mounted at the front end of the moving frame. A cleaning brush is fixedly mounted on the inner side of the flip plate, and a guide groove connecting the inner and outer sides is provided. The guide cylinder is slidably and elastically mounted on the support frame through a guide cylinder mounting frame, and an inlet communicating with a coolant pipe is provided on the guide cylinder, and a guide groove is fixedly mounted thereon. A cutting blade mounting ring is rotatably mounted inside the guide cylinder, and a plurality of cutting blades are fixedly mounted on the cutting blade mounting ring. This invention can effectively guide the flow direction of the coolant and cut long drill chips into small segments during drilling.

This utility model discloses an automatically controlled device for drilling center holes in round steel, relating to the field of coal mining machinery technology. It includes a square support plate, with a bench drill fixedly connected to its upper surface. A hydraulic chuck is fixedly connected to the front of the upper surface of the square support plate, and a lead screw support seat is fixedly connected to the rear of the upper surface of the square support plate. A lead screw body is located at the center of the front of the lead screw support seat. Slides are provided on the left and right sides of the lower surface of the bench drill. A receiving block behind the hydraulic chuck can clamp the workpiece. The operator starts a servo motor, and the power output of the servo motor drives a drive rod to move. The drive rod then drives the bench drill to move on the slides via the lead screw, thus drilling a center hole in the workpiece. This avoids the need for operators to manually drill center holes in the pins or piston rods of hydraulic support components, reducing the operator's workload and significantly improving production efficiency.

The utility model discloses an outer bearing support multi -hole processing device belongs to bearing processing technical field, and it is including: the processing platform, punch -a -hole mechanism and clamping mechanism, wherein, punch -a -hole mechanism is located on the processing platform, and it includes the variable -distance subassembly and a plurality of drilling assembly, and a plurality of drilling assembly adjust the hole distance through variable -distance subassembly, clamping mechanism is located on the platform of processing platform, is used for clamping fixed before drilling to outer bearing support, this design can carry out multi -hole processing to different specifications's outer bearing support, and the flexibility is stronger and the efficiency is higher.

Proposed is a motorized drill lance apparatus for extinguishing vehicle fires, the apparatus including a height-adjustable cart configured to move and be located underneath an electric vehicle battery, and a drill module configured to drill a hole into the electric vehicle battery using the power of a motor while in close contact with the electric vehicle battery, and then inject water into the electric vehicle battery through the drilled hole to extinguish a fire occurring in the electric vehicle battery.

This utility model discloses a hole-expanding device for producing drive shaft connectors, including a hole-expanding device body. A fixing frame is fixedly connected to the top of the hole-expanding device body, and a sliding groove is formed on the top of the fixing frame. This utility model places the connector on the bottom of a fixing plate, then activates an electric push rod, which drives the fixing plate downwards to initially fix the connector. During use, a drive motor is activated to rotate the drill bit for drilling. Then, a servo motor is activated, which drives a drive gear to rotate. The drive gear drives a driven gear to rotate, which in turn drives a screw to rotate. This causes the screw to move a threaded sleeve downwards, which in turn moves the mounting frame downwards, causing the drive motor to move downwards. This process expands the hole in the connector, replacing existing methods that rely heavily on manual processing, thus reducing manual intervention and enabling faster and more efficient processing.

The application relates to the field of PCB numerical control drilling machines, in particular to a main shaft transverse moving structure of a PCB numerical control drilling machine, which comprises a cross beam, a linear motor and a mounting plate, the mounting plate is slidably connected to the cross beam along the length direction of the cross beam, the linear motor is arranged on the cross beam to drive the mounting plate to slide, the cross beam is provided with a plurality of bottom plates, the plurality of bottom plates are distributed along the length direction of the cross beam, the bottom plates are slidably connected to the cross beam along the length direction of the cross beam, the bottom plates are provided with main shaft modules, the mounting plate is provided with connecting rods, and the connecting rods are used for being connected with the plurality of bottom plates. The application has the effect of prolonging the service life of the motor.

The present application relates to the technical field of punching equipment, and discloses a street lamp pole multi-specification aperture self-adaptive positioning punching equipment, which comprises a supporting platform, further comprises: a drilling frame which is translated along the long axis direction of the supporting platform, a positioning cylinder is fixedly connected to the top of the drilling frame, a clamping frame is fixedly connected to the telescopic end of the positioning cylinder, and a clamping part for welding positioning is arranged on the clamping frame; a mounting plate is fixedly connected to the bottom of the clamping frame; the present application realizes accurate longitudinal positioning of the drilling frame by cooperation of a shifting motor and a reciprocating screw rod, realizes self-adaptive rigid clamping of street lamp poles with different diameters by the positioning cylinder and the arc-shaped clamping plate, ensures the processing stability, adopts a tapered drill rod with a small upper end and a large lower end, cooperates with a distance measuring sensor to realize real-time feedback, realizes multi-specification aperture processing by a single drill bit through accurate control of the pressing depth, does not need to frequently change tools, significantly improves the adaptability and drilling efficiency of the equipment, avoids idle stroke impact, and protects the drill rod and the workpiece.

The application belongs to the technical field of hole opening, and particularly relates to a hole opening device for precise metal element machining, which comprises a device groove, a Z-axis U-shaped frame is fixedly installed in the device groove, two left-right symmetrical sliding blocks are slidably installed on the Z-axis U-shaped frame, an X-axis guide rod is fixedly installed between the two sliding blocks, a hollow moving table is slidably installed on the X-axis guide rod, and a reverse moving mechanism and an element clamp are arranged on the hollow moving table. In the utility model, the hydraulic push rod drives the motor base to move upwards, the hollow moving table can drive the precise metal element to move upwards, the rotating hole opening drill bit can perform hole opening treatment on the precise metal element, the driving motor can drive the sector gear to rotate, the hollow moving table can slide along the X-axis guide rod under the meshing transmission of the sector gear and the rack, the position of the precise metal element can be changed, and thus hole opening can be performed on different positions.

This utility model belongs to the technical field of radial drilling machines, specifically relating to a radial drilling machine with a lubrication mechanism. It includes a base, a worktable at the upper end of the base, a column at the upper end of the base, a lifting seat on the column, a rocker arm on the lifting seat, a spindle box on the rocker arm, a motor on the spindle box, a fixed tube on the left side of the spindle box, a connecting tube inserted into the outer side of the fixed tube, and an oil reservoir fixedly connected to the end of the connecting tube away from the fixed tube. This utility model, by incorporating components such as a push rod, ball bearings, and springs, allows the push rod to drive the ball bearings into the fixed tube during installation, enabling lubricating oil to enter the spindle box through the fixed tube for lubrication. This solves the problem of inconvenient lubrication and operation of radial drilling machines.

This invention relates to the field of laser positioning drilling, particularly a laser positioning cable bracket drilling device, comprising a main frame; two drilling machine mounting frames, both mounted on the main frame; two drilling machines, each mounted on a separate mounting frame; and four horizontal light emitters, with two emitters symmetrically mounted on each mounting frame. The laser lines emitted by the two emitters on the same mounting frame overlap to form a single laser line, and the laser lines emitted by the emitters on the two mounting frames are parallel. The two drilling machines can operate side-by-side simultaneously, with the two laser lines passing through the centers of the two drilling positions. This invention enables efficient positioning drilling.

This invention relates to the field of drilling equipment, specifically a badminton racket positioning drilling device, comprising a frame, a clamping head, a drilling head, and a feeding assembly. The feeding assembly includes two sets of alternately operating feeding shafts located on the inner and outer sides of the frame, respectively. The feeding assembly also includes a base, a front swing arm, and a rear swing arm. The feeding shafts are fixed on the front and rear swing arms, respectively. Each feeding shaft includes a long beam, a housing, and a conveyor belt. This invention provides two sets of feeding shafts for carrying and conveying racket frames. When one feeding shaft is carrying and conveying racket frames on the inner side of the frame, the other feeding shaft can be positioned near the outer side of the frame for convenient loading by the user. After the inner feeding shaft is empty, a synchronous switching mechanism can drive the two swing arm components to move alternately, sending the feeding shaft that has been carrying a new racket frame to the inner side of the frame for feeding, thereby achieving continuous cyclic feeding without stopping the machine.

This invention relates to the field of battery box processing technology, specifically to a processing equipment and method for an explosion-proof forklift battery box. It includes: a placement rack, a laying assembly, and a drilling assembly. The placement rack is used to store the battery box, and its lateral openings can define the battery box position in multiple directions to prevent processing deviation and swaying, ensuring processing accuracy. The laying assembly is located below the placement rack, and the two can move vertically relative to each other. Its core set of folding plates can switch between unfolded and folded states. When folded, the outer edge is tucked into the inner side wall of the box, allowing it to easily extend into the battery box. When unfolded, its shape adapts to the bottom wall of the box. Combined with a hinge and linkage structure, it can automatically complete the pressing, folding, and compaction of the sheet material. The elastic element can also buffer impacts to prevent sheet material breakage. The drilling assembly is integrated into the placement rack and can simultaneously process pressure relief holes during sheet material laying. The overall process achieves automation, improving the production efficiency and processing accuracy of the battery box.

The scheme discloses a quick transposition tool, which comprises a tool main plate, a main shaft fixing hole for being fixed with the upper end of a main shaft and a drilling machine fixing hole for being fixed with a drilling machine are arranged on the tool main plate; the main shaft fixing hole is at least three holes not on the same straight line; the drilling machine fixing hole is at least two groups corresponding to different working positions, and each group is at least three holes not on the same straight line. The scheme also discloses a water and electricity station site drilling tool kit, which comprises the quick transposition tool as mentioned above, and further comprises a radial drilling machine; the radial drilling machine is fixed on the quick transposition tool through the corresponding group of drilling machine fixing holes according to the working position. The scheme has the beneficial effects that the quick transposition and positioning of the radial drilling machine are well solved, meanwhile, the positions of the taper pin holes or the threaded holes on the upper and lower working surfaces are ensured to be on the circumference with the main shaft center as the center, and the machining position can also cover the taper pin hole or the threaded hole position on the upper working surface.

This utility model relates to the field of drilling device technology, and discloses a drilling device for processing fire-resistant doors and windows. It includes a base, a worktable fixedly mounted on the top of the base, an electric push rod fixedly mounted on the top of the worktable, a push block fixedly mounted on the back of the output end of the electric push rod, and an auxiliary positioning mechanism and a drilling assembly mechanism on the top of the worktable. This drilling device for processing fire-resistant doors and windows, through the auxiliary positioning mechanism and the transmission of a threaded rod, can adjust the position of the positioning baffle. The position of the positioning baffle can be limited by a scale, thereby limiting the right end of the aluminum alloy profile to be drilled, keeping the distance between the right end and the drilling position fixed. When clamping the aluminum alloy profile, it can be directly fixed, and the drilling position will not deviate, eliminating the need for secondary adjustments and improving the convenience of drilling in the processing of fire-resistant doors and windows.

This invention provides a heliostat main beam positioning and vibration damping assembly and a heliostat main beam drilling device. The heliostat main beam positioning and vibration damping assembly includes a positioning clamping structure and a vibration damping structure. The positioning clamping structure includes an axial limiting part and a radial fixing part. The axial limiting part is configured to cooperate with the main beam mounting component to axially limit the heliostat main beam. The radial fixing part is configured to support the heliostat main beam and radially limit its movement. The vibration damping structure includes a mating part, an elastic component, and a fixed base. The mating part is directly or indirectly slidably disposed on the fixed base and is configured to clamp or connect to the main beam mounting component. The elastic component is disposed on the fixed base and is configured to directly or indirectly act on the mating part. This invention solves the problems of existing heliostat main beam positioning devices, which cannot effectively control vibration during processing and cause large radial deformation of the main beam, making it suitable for large-scale application.

The utility model relates to brake disc processing technical field especially, more particularly to a kind of drilling tool applied to brake disc, including frame body, placing piece and centering mechanism, placing piece is set on frame body, centering mechanism includes power assembly, lifting assembly, compression assembly, first support, second support, two centering pieces, force support, two springs and two round bars, frame body has two sliding slots and two recesses, first support and second support are both slidably connected with two sliding slots, force support is slidably connected with two recesses, two centering pieces are respectively arranged on first support and second support, one end of round bar is fixedly connected with force support, the other end of round bar penetrates first support, and is fixedly connected with second support, in this way, the technical problem that the brake disc placed cannot be guaranteed to be in the centering position in prior art, further influence drilling effect is solved.

The utility model belongs to the deep hole drilling technical field especially, it is a kind of deep hole drill for machining middle axle of automobile reduction gearbox, to the existing in use, since the heat generated by drill head and hole wall friction, it is inconvenient to carry out heat dissipation, leading to drill head overheating influence processing quality problem, present and propose following scheme, including drill fixed handle, the one end of drill fixed handle is connected with drill head body, the other end of drill fixed handle is connected with water inlet pipe, the inside of drill fixed handle is equipped with cooling mechanism for cooling drill head, the one side of cooling mechanism is equipped with quick release mechanism for the disassembly of drill head. The utility model is sprayed by the water injection hole of drill head body terminal, drill head body is in hole, so that the water that sprays will pass through the chip flute on drill head body and be discharged from inside to outside, to further cool drill head body, and can flush out the impurity adhered to the outer surface of drill head body.

The utility model relates to the technical field of security engineering construction, in particular to a drilling device for security construction, which is safe to use and comprises a first U-shaped plate, a second U-shaped plate is arranged at the top of the first U-shaped plate, and a sliding rail and a two-way air cylinder are fixedly arranged on the surface of the first U-shaped plate and the surface of the second U-shaped plate respectively. The surfaces of the sliding rails are movably sleeved with supporting plates, and one ends of the two-way air cylinders are fixedly connected with the supporting plates. Through cooperation of the screw rod, the driving motor, the L-shaped plate, the one-way air cylinders and the installation plate, the drilling structure is installed on one side of the top of the screw rod in a threaded sliding mode, the L-shaped plate is installed on the first U-shaped plate through matching of the cross supporting column and the second U-shaped plate, and the drilling structure can be installed on the first U-shaped plate by adjusting the telescopic direction of the left-right two-way air cylinders. And the supporting plate can be driven to push the angle change of the cross supporting column, then lifting and transverse fine adjustment of the drilling structure on the L-shaped plate are achieved, and the drilling precision is improved.

The utility model relates to center drilling device technical field especially for automatic positioning center drilling device, including punch assembly, the inside of punch assembly includes fixed base, the upper end portion sliding mounting of fixed base has two support components, the inside of each support component all slidingly installs two clamping components, the side end portion sliding mounting of fixed base has the support, the upper end portion fixed mounting of support has puncher, the inside of each support component all includes the connecting bottom plate. The device can place material on the placement table cooperation fixed ring, L type support pole, connecting shaft etc. portion transmission and further push the sliding rod in the limiting frame to slide to the cooperation of placement table and sliding rod carries out the quick clamping to the material, subsequently rotates the rotating handle and adjusts the puncher use height, reaches the device when using can quick clamping to the material at the same time conveniently quick punch operation to the material, improves the device use effect.

This application provides a drilling fixture for a track support, belonging to the field of elevator manufacturing technology. The fixture includes: a base plate with a pair of slide rails arranged along its length; a mounting plate, slidably fitted onto the slide rails and parallel to the base plate, with guide posts at both ends of the top surface of the mounting plate; a Λ-shaped plate with horizontal support plates extending outward from both bottom edges, the support plates slidingly passing through the corresponding guide posts, the edges of the Λ-shaped plate facing upward and both surfaces having through holes; two strip plates, parallel to the two surfaces of the Λ-shaped plate, with one side connected to the top surface of the corresponding support plate, the strip plates being located above the corresponding through holes; a pressure block, disposed on the mounting plate and located directly below the Λ-shaped plate, with pressing portions on both sides of its top surface; and a pressure plate, movable along the height direction of the base plate and positioned above the Λ-shaped plate, with a mating groove at its bottom for engaging with the Λ-shaped plate to fix the track support. The fixture can effectively fix the track support and improve drilling accuracy.

The application discloses a motor shell anti-deformation processing device, which comprises a base, two symmetrical punching assemblies slidingly arranged on the base, and a clamping assembly arranged between the two punching assemblies. The clamping assembly comprises two supporting frames and a clamping cylinder. One of the supporting frames is slidingly arranged on the base and connected with the telescopic end of the clamping cylinder. The supporting frame is fixed with a tension cylinder and a tension piece. The tension piece comprises a plurality of split supporting molds and a plurality of tension blocks. When the tension cylinder is driven, the split supporting molds are first expanded radially outward to form an avoiding gap between adjacent split supporting molds, and then the tension blocks are moved radially through the gap until the tension blocks and the outer walls of the split supporting molds jointly form a complete cylindrical surface and abut against the inner wall of the motor shell. When the reverse action is performed, the tension blocks are first retracted, and then the split supporting molds are contracted radially inward. The application realizes large-area rigid support on the inner wall of the shell before drilling, effectively inhibits plastic deformation around the hole, and improves processing efficiency and quality.

The present application relates to the technical field of pipe processing, and provides a steel flower pipe punching processing method, system and equipment, the method comprising: positioning and clamping pretreated steel flower pipe through a clamp; obtaining the hole position spacing, the curvature radius, the local deformation and the allowable deformation threshold of the steel flower pipe, obtaining the bending deviation coefficient for reflecting the hole position offset degree caused by pipe bending according to the hole position spacing and the curvature radius, and simultaneously obtaining the deformation overrun coefficient for quantifying the overrun degree of pipe deformation according to the local deformation and the allowable deformation threshold; obtaining the hole position compensation amount according to the bending deviation coefficient and the deformation overrun coefficient, and driving the drilling mechanism to perform the punching operation according to the drilling parameters and the hole position compensation amount. Through quantifying the deformation influence, the present application can dynamically correct the hole position coordinates, so that the actual hole position meets the design spacing requirement, and solves the problems of hole position offset and hole spacing overrun caused by the micro-bending and local deformation of the steel flower pipe during storage and transportation.

The utility model relates to a kind of circular-arc gear pump body tooling, in particular to a kind of circular-arc gear pump body multi-station rotary tooling. Its structure includes workbench, base is slid on workbench, and positioning disc is connected through rotating positioning shaft and bearing shaft on the front vertical surface of base, the positioning disc is freely rotated on the base, and positioning mechanism is provided on the base outside the positioning disc, and the positioning mechanism is used to fix the rotating positioning disc positioning;The positioning disc front is fixed by positioning locking bolt and special pressing plate to the workpiece to be machined. A kind of circular-arc gear pump body multi-station rotary tooling of the utility model can realize the quick positioning drilling of gear oil pump body circular-arc shape outer surface, workpiece is fixed and disassembled quickly and stably, and work efficiency is high, not only greatly reduce production cost, and improve processing precision.

The utility model discloses a kind of multi-spindle machining devices, including rack, first driving mechanism, multiple machining spindles and multiple second driving mechanisms, and workbench is equipped on rack;First driving mechanism is used to drive workbench to move along Y axis direction;Multiple machining spindles are set above workbench, and are used to process workpiece on workbench;Multiple second driving mechanisms are set one by one with multiple machining spindles, and second driving mechanism is used to drive corresponding machining spindle to move along X axis, Y axis and Z axis direction.The utility model can independently drive machining spindle to move in X axis, Y axis and Z axis direction by second driving mechanism, realizes the independent cutter diameter compensation of machining spindle and axis linear compensation in X axis, Y axis, Z axis direction;While, workbench is driven to carry out large-stroke feed along Y axis direction by first driving mechanism, avoid the pitch deformation generated due to overhanging when second driving mechanism is set into large-stroke feed Y axis movement.

The utility model discloses hinge beam processing boring equipment, include: support component, support component includes equipment rack, hydraulic device, support rod, telescopic link and support plate, positioning component, positioning component includes internal thread seat, extension block, limit disc, pressboard, hole body, spring and limit rod, one end of equipment rack top is connected with internal thread seat, extension block is connected in the both ends of internal thread seat outer surface, limit rod connects one side of extension block, and spring is wound and is connected in the outer surface of limit rod, and the one end of pressboard is provided with hole body, and hole body is connected in the outer surface of limit rod. To solve the boring equipment in actual processing, possibly due to the unstable clamping mode leads to the workpiece displacement in the processing, influences the coaxiality of boring, and for different specifications hinge beam, adjusts the clamping device more complicated, has increased the auxiliary processing time, often faces the problem of low processing efficiency, the precision is difficult to guarantee.

The utility model discloses a door lock support quick punching mechanism, which aims at solving the technical problem of time-consuming, laborious, high cost and low efficiency in the prior art, which needs to design multiple sets of workpiece positioning mechanisms and frequently replace and fix different workpiece positioning mechanisms to realize the drilling operation of the five through holes of the door lock support, comprising a door lock support, a door lock support quick positioning mechanism and a bench drill, the door lock support comprises a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole; the door lock support quick positioning mechanism is detachably connected to the workbench of the bench drill; the door lock support quick positioning mechanism comprises a disc-shaped fixing seat detachably connected with the workbench of the bench drill and a cylindrical abutment main body fixedly connected with the fixing seat; the abutment main body comprises a circular positioning platform arranged at the top; the positioning platform comprises a first through hole arranged at the center of the platform, a first positioning groove, a second positioning groove and a third positioning groove matched with the main plate respectively.

The application discloses a kind of fire-fighting machinery emergency starting cabinet processing device, including mobile workstation, mobile workstation is slidably connected to pedestal, mobile workstation is equipped with by motor driven opposite screw rod, opposite screw rod is connected symmetric nut seat, nut seat is fixed with clamping block;Clamping block is opened guide hole, second guide rod is slidably connected in guide hole, spring is externally sleeved to second guide rod, spring two ends are connected with first connecting ring and second connecting ring respectively, second connecting ring is fixed with rubber pad.Processing method includes placing cabinet on the roller, motor drives opposite screw rod to drive clamping block synchronous opposite movement, rubber pad is contacted after cabinet, spring is compressed, second guide rod is slid along guide hole to realize linear guidance, complete flexible self-adapting clamping.The application is combined by synchronous centering mechanism and linear guidance elastic clamping, realizes efficient centering, self-adapting clamping and stable operation, effectively avoids workpiece damage, and is suitable for multi-specification cabinet body processing.

This utility model provides a switch moving contact production equipment, including a processing table. A switch moving contact is placed on the upper end of the processing table. A connecting frame plate is provided on the outer surface of the processing table. Multiple guide posts are slidably arranged inside the connecting frame plate. A cross frame is provided between the lower ends of the multiple guide posts. Multiple motors are slidably arranged inside the cross frame. Drill bits are mounted on the output shafts of the multiple motors via couplings. An electric push rod is provided at the upper end of the connecting frame plate. The telescopic end of the electric push rod is connected to the upper end of the cross frame. An adjustment mechanism for adjusting the drill bit spacing is provided inside the cross frame. The switch moving contact production equipment of this utility model, with its adjustable drill bit spacing design, allows the equipment to quickly adapt to the production needs of switch moving contacts of different specifications, eliminating the need for frequent drill bit changes or equipment reconfiguration, greatly improving the flexibility of equipment production.

This utility model relates to the field of drilling device technology, and in particular to a drilling machine that prevents drill bit deviation. It includes a frame, the top surface of which is fixedly connected to the bottom surface of a movable frame. The inner wall of the movable frame is movably connected to the outer wall of an adjusting component. The outer wall of the adjusting component is fixedly connected to the side wall of a first clamping arm. The inner side wall of the first clamping arm is movably connected to the outer side wall of a second clamping arm. The inner side wall of the frame is slidably connected to the outer side wall of a movable table. A drilling head is mounted on the top surface of the movable table. This device, by providing a movable frame, adjusting component, first clamping arm, and second clamping arm, simultaneously clamps the upper and lower ends of the workpiece, ensuring the overall stability of the workpiece and preventing it from shaking due to unstable clamping during drilling, thus avoiding drill bit deviation. This improves the accuracy of drilling, has good practicality, and is suitable for drilling various non-standard metal parts.