78 results about "Hole making" patented technology

This application relates to the field of machine tool technology and discloses a dual-mode hole-making machine tool and a hole-making method. The dual-mode hole-making machine tool includes a bed assembly, a crossbeam assembly, a slide assembly, a spiral milling and reaming unit, and a water-guided laser hole-making unit. During operation, after the equipment starts, the crossbeam assembly moves along the first direction of the bed assembly, and the slide assembly moves along the second direction of the crossbeam assembly to complete X and Y axis positioning; it acquires workpiece material, hole diameter, and depth-to-diameter ratio parameters to determine the processing mode. When hole making is required separately, the water-guided laser hole-making unit feeds along a third direction to complete the processing; when reaming is required separately, the spiral milling and reaming unit feeds along a third direction to complete the processing; when combined processing is required, the water-guided laser first creates the initial hole, maintaining the work position and posture unchanged, and then switches to spiral milling and reaming to create the final hole.

The invention discloses a dimple speed regulation device and method based on a two-stage speed regulation valve. The dimple speed regulation device comprises an integrated set sensing switch, a wireless pilot controller, the two-stage speed regulation valve and an assembly of the two-stage speed regulation valve. According to actual working conditions on site, dimple speed adjustment of a semi-automatic drilling and dimple integrated tool or a manual dimple tool is achieved, and meanwhile dimple surface quality and hole making efficiency are guaranteed. During dimpling operation, the integrated set sensing switch of the device needs to be installed on a semi-automatic drilling and dimpling integrated tool or a manual dimpling tool, a high-speed mode is started during drilling, the device is switched to a low-speed mode according to the vibration condition of the tool during dimpling, and the dimpling rotating speed of the tool is limited; when a manual dimple tool is used for machining a composite material, the device starts the tool in a low-speed mode when a dimple drill does not make contact with a machining material, the device is switched to a high-speed mode according to the vibration condition of the tool after making contact with the material, the device is switched to the low-speed mode when a tool retracts to be separated from the material, and low-speed advancing and retreating and high-speed dimple are achieved.

The invention discloses a variable-parameter helical milling hole making method for an aircraft laminated structure, and aims to solve the problems of great damage to a laminated interface and insufficient precision of traditional hole making. According to the method, a database is established by pre-collecting laminated material parameters, and a helical milling path is planned; after equipment is started, contact sensing positioning is executed, and the rotating speed, the feeding speed and the lead angle of a milling cutter are dynamically adjusted according to interlayer material differences; and a gradual change parameter transition strategy is adopted in the interface transition area, and tool retracting and quality detection are conducted after hole forming is completed. According to the method, the technological parameters are optimized in real time according to the characteristics of different laminated materials, interface burrs and layering defects are reduced, the drilling precision and efficiency are improved, and the method is suitable for drilling of multiple types of aircraft laminated structures such as aluminum alloy / carbon fiber composite materials and has high practicability and popularization value.

The invention provides a laser processing vacuum observation device for rapidly switching protective lenses, and relates to the technical field of laser precision cutting and hole making devices, the laser processing vacuum observation device comprises a vacuum box, a laser precision cutting and hole making device, a laser precision cutting and hole making device, a laser precision cutting and hole making device, a laser precision cutting and hole making device and a laser precision cutting and hole making device, a laser; a pair of lens changing openings are formed in the quick lens changing rotary disc, lens mounting discs are arranged in the lens changing openings in a lifting mode, and light-transmitting lenses are mounted above the lens mounting discs in a threaded mode; and the lens cleaning mechanism is used for wiping and cleaning the light-transmitting lens by scraping and contacting the light-transmitting lens through a cleaning rotating rod. According to the invention, rapid and reliable switching between the working lens and the standby / cleaning lens is realized, the processing interruption time caused by replacing or cleaning the lens is reduced, the processing efficiency and the stability of the vacuum environment are guaranteed, a set of lens cleaning mechanism is arranged, the manual intervention frequency is obviously reduced, and the production cost is reduced. And the lens can be reused, so that the lens replacement cost is reduced.

The application discloses a method for researching the influence of random hole geometric deviation on the strength of an aircraft wall plate connecting structure, and relates to the field of advanced composite material connection, and comprises the following steps: determining a characterization parameter of hole geometric deviation of a composite material strip-hole laminated plate test piece; establishing a simulation model of a composite material single-nail connecting structure plug-nail connection without hole geometric deviation; based on the characterization parameter and the simulation model of the composite material single-nail connecting structure plug-nail connection without hole geometric deviation, a simulation model of a composite material single-nail connecting structure interference plug-nail process is established; a simulation model of a composite material connecting structure tensile load is established; based on the simulation model of the composite material connecting structure tensile load, a probability distribution graph of the strength change value of the structure is established, and the strength distribution trend under different geometric deviations is determined; and based on the strength distribution trend under different geometric deviations, a new composite material hole making deviation design criterion is constructed. The application can improve the hole making precision of the connecting hole, and reduce the manufacturing difficulty and cost.

The application discloses a kind of based on radar chart's hole making quality evaluation method, system and storage medium, belong to the technical field of hole making quality evaluation, determine N features data of influencing hole making quality, and corresponding N-dimensional radar chart is drawn as radar chart evaluation model;Obtain the feature data of hole making, adopt box plot method to correct.Based on the feature data after correction, draw closed radar chart;The area of the radar chart drawn is calculated, and the quality of hole making is measured based on the size of area;If N feature data is all negatively correlated with the quality of hole making, then the smaller the area of the radar chart drawn, the higher the quality of hole making;If N feature data is all positively correlated with the quality of hole making, then the larger the area of the radar chart drawn, the higher the quality of hole making.The application realizes multidimensional feature correlation evaluation, avoids the difference caused by subjective evaluation, intuitively compares the quality of hole making by radar chart area, quickly locates the advantages and disadvantages of hole making quality, with good practicability.

A kind of vector deviation detection method of laser step gun based hole making method, first, the standard rivet hole position is drilled and countersunk on the measured part, then a plurality of measurement points are determined in the standard rivet hole position, the concave-convex amount of the measurement points is measured by using the laser step gun, the coordinate value of the coordinate origin in the standard rivet hole position is calculated, the actual deviation value of the hole position is obtained from the coordinate value of the coordinate origin, and finally the actual deviation value of the hole position is compared with the theoretical normal line, and the vector deviation is obtained.The present application effectively solves the problem of normal value deviation measurement of rivet hole of oversized curved surface product;It can be measured in time in actual production environment, and the normal deviation value can be quickly obtained by calculation, and the measurement data is convenient for research and analysis.

The invention discloses a robot drilling end effector simulating vibration reduction of the head of a woodpecker and a using method of the robot drilling end effector. The effector comprises a frame module, a drilling module, a vision module, a pressing module and a normal detection module. The frame module provides installation positions for the hole forming module, the pressing module and the vision module and is connected with a flange at the tail end of a robot. The hole making module comprises a driving motor and a high-speed main shaft and is an execution part of the hole making action of the actuator; the visual module is used for positioning a machining point before the actuator is used for drilling; the pressing module is used for pressing the workpiece, and workpiece sliding and vibration generated when the hole forming module works are reduced. And the normal detection module is used for measuring the normal deviation between the high-speed main shaft and the surface of the current workpiece, so that the pose of the drilling module is adjusted to ensure the drilling perpendicularity. According to the invention, the vibration generated by drilling by the robot can be reduced, and the hole machining precision is improved.

The utility model discloses a novel electric control hydraulic punching device which comprises a shell, an electric cylinder connecting base is fixedly installed in the shell, a telescopic electric cylinder is installed in the electric cylinder connecting base, a top end cover is installed at the output end of the telescopic electric cylinder, and an electric cylinder pressure stabilizing plate protection outer pipe is fixedly installed in the shell. A power line connecting piece is fixedly mounted in the shell; the device is placed in a mechanical water jet cutter of an underground hydraulic cave-making water jet cutter device, the top end cover is controlled to move through stretching and retracting of the output end of the telescopic electric cylinder, and a water flow channel in the water jet cutter can be changed through movement of the top end cover, so that water flow can flow in the preset direction; therefore, the water flow direction in the water jet cutter is precisely controlled, the cutting efficiency and the hole forming quality of the water jet cutter can be remarkably improved through precise water flow control, and energy consumption and equipment abrasion are reduced.

The utility model discloses a steel structure production hole making device which comprises a supporting frame, a punching mechanism is arranged on the supporting frame, the punching mechanism comprises sliding rods, sliding seats, an installation frame, a driving machine, a hydraulic cylinder, a quick fixing mechanism and a drill bit, the multiple sets of sliding rods are fixed to the supporting frame, the multiple sets of sliding seats are arranged on the outer walls of the multiple sets of sliding rods in a sliding mode, and the multiple sets of sliding seats are arranged on the installation frame. The mounting frame is fixed to the outer walls of the multiple sets of sliding seats, the driving machine is fixed to the outer wall of the mounting frame, the hydraulic cylinder is fixed in the supporting frame, the telescopic end of the hydraulic cylinder is fixedly connected with the mounting frame, the quick fixing mechanism comprises a fixing sleeve, sliding blocks, clamping blocks, a pushing block, a sliding sleeve, a mounting rod and a clamping groove, the fixing sleeve is fixed to the output end of the driving machine, and the sliding blocks are arranged in the fixing sleeve in a sliding mode. According to the quick fixing mechanism, through exquisite cooperation of a fixing sleeve, a sliding block, a clamping block and a mounting rod, quick mounting and dismounting of the drill bit are achieved, and accurate positioning and rotation prevention of the drill bit in the mounting process are guaranteed through the design of a polygonal adaptive block and an adaptive groove.

The present application relates to the fast milling processing method of the complex structure and shape section parts of the airplane, and belongs to the field of aviation sheet metal forming technology. The present application solves the one-time processing of the appearance milling and drilling of the traditional complex cross-section shape and different size section parts, discards the drilling precision ensured by the drilling jig for the hole making of the section part, improves the surface quality of the section part, improves the manufacturing precision of the appearance, notch, bevel and hole, improves the processing efficiency, completes a set of tooling capable of processing different specifications of section parts through the pneumatic universal drilling and milling jig, realizes the efficient and accurate manufacturing of the section part, realizes the group milling of the workpiece, and further reduces the raw material cost, tooling manufacturing cost and shortens the process flow.

The invention discloses a precise positioning construction and hole inclination dynamic correction method for embedded grouting pipes of a concrete diaphragm wall, and relates to the technical field of hydraulic engineering, the method comprises the following specific steps: manufacturing and mounting a positioning bracket: according to the design spacing of the embedded pipes and the thickness of the diaphragm wall, manufacturing a bracket of a #-shaped or equal-rigidity frame structure by welding reinforcing steel bars, and mounting the positioning bracket; the distance between welding points is determined through mechanical calculation, lofting is carried out according to design coordinates, then welding with a diaphragm wall reinforcing mesh is carried out, and after installation, the plane position and the elevation deviation are rechecked to form a positioning reference; according to the method, hole deviation detection links are arranged in different stages such as hole forming, embedded pipe installation and concrete pouring, and corresponding correction measures such as drilling parameter and correction mode adjustment in the hole forming stage, fine adjustment or pushing correction in the embedded pipe installation stage, hole drilling and new pipe implantation after concrete pouring are adopted according to the hole deviation conditions in the different stages; the hole inclination is effectively controlled, the engineering quality is guaranteed, and the reliability and stability of construction are improved.

1. The name of the design product: drill (cutting drill two-blade edge). 2. The use of the design product: for wood processing, specifically for wood drilling and hole making. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The present application belongs to the technical field of drilling tools in mechanical processing, and discloses a left-right rotary cutter structure with bidirectional alternating cutting function, which is mainly composed of a first step, a left rotary cutting edge, a chip flute, a main cutting edge, a right rotary cutting edge, a left rotary tool face, a left rotary upper blade and a cutting edge. The structure modifies the traditional right rotary cutting edge and the main cutting edge into the left rotary cutting edge and the left rotary tool face, and plays a cutting role together with the original cutting edge. When the main shaft rotates, the bidirectional alternating cutting function is generated, the alternating cutting makes the fatigue crack of the material expand, and then the effective cutting of the burr composed of high-hardness fiber and high-toughness resin is realized, and the low-damage processing of the material is realized. The application of the present application is helpful to greatly improve the low-damage hole making efficiency of thermoplastic composites, reduce the processing cost, and has good engineering application prospect.

The present application relates to the technical field of hole making, and specifically relates to a tilting type hole milling device and method for aircraft assembly hole making, which comprises a mounting platform and a PLC controller, the mounting platform is provided with a hole milling revolution device, the output end of the hole milling revolution device is connected with an eccentric adjusting device, the hole milling revolution device is used for controlling the rotation of the eccentric adjusting device, the eccentric adjusting device is connected with an inclination adjusting device, the eccentric adjusting device is used for adjusting the eccentric distance between the inclination adjusting device and the output end axis of the hole milling revolution device, the inclination adjusting device is connected with a hole milling rotation device below, the hole milling rotation device is provided with a milling cutter for hole milling, the hole milling rotation device is provided with an inclination angle sensor and an eccentric distance sensor connected with the PLC controller, and the inclination adjusting device is used for adjusting the inclination angle of the milling cutter, the eccentric distance and the inclination angle are cooperatively controlled, and the rapid wear of the local cutting edge of the milling cutter is reduced.

This utility model relates to the technical field of hole-making positioning equipment, specifically disclosing a hole-making positioning device. This device includes a base, a vacuum assembly, and multiple guide members. The vacuum assembly is connected to a sealed cavity, and the vacuum assembly creates a vacuum in the sealed cavity, thereby ensuring the base is tightly fixed to the workpiece to be drilled. This fixing method allows for accurate positioning even on large flat surfaces where C-clamps are difficult to use, ensuring the machining accuracy of the hole. Multiple guide members with different diameter guide holes are provided to accommodate different sized drilling tools. When the drilling tool enters the connecting hole along the guide hole, the hole is finally drilled on the workpiece. This hole-making positioning device effectively solves the problem of poor machining accuracy in existing technologies when drilling on large flat surfaces where C-clamps are difficult to use.

The application provides a 5m diameter conical box bottom surface keeping deformation constraint machining method, which comprises the following steps: S1, preparing a conical blank box bottom; S2, product clamping; S3, turning an end face; S4, installing a deformation constraint device; S5, hole making; S6, turning an inner shape; S7, overturning; S8, turning an outer shape; S9, primary stress relief heat aging; S10, milling an outer shape grid; S11, secondary stress relief heat aging; and S12, cutting off a large end allowance; the application can effectively inhibit real-time deformation in the turning and milling process of the conical box bottom part.

The application relates to a coal mine mechanical hole-making and permeability-increasing intelligent drilling robot in the field of coal mine drilling, wherein, during hole-making and permeability-increasing work, a power output end drives a power transmission unit one, a power transmission unit two and a drill rod to rotate to perform hydraulic hole-making work; once hole collapse and drill jamming or components on the drill rod hit hard rock, causing the drill rod to be stuck, the continuously output power output end drives the power transmission unit one to continue rotating until the transmission post and the locking tongue are broken, the transmission post rotates in the positioning groove as a whole, and when the drill rod connected with the motor is stuck, the broken design of the transmission post and the locking tongue of the anti-sticking module can transfer the overload damage risk to the replaceable module, so that the motor is prevented from being burnt, and when hole collapse and drill jamming or components on the drill rod hit hard rock, the motor is not prone to being stuck and short-circuited, and the hole-making and permeability-increasing construction process is not prone to being affected.

1. Name of the designed product: electric hammer. 2. Use of the designed product: for hammer drill, hole making. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.

The utility model discloses a vertical hole making bench drill relates to the field of machining equipment, including base, the fixed connection of base has the bench drill main part, the top fixed connection of bench drill main part has the workstation, the top of workstation is installed with the mounting panel through the bolt, the top of mounting panel is provided with the support plate, and the lateral wall of support plate is provided with the bracing assembly, the bracing assembly includes the rectangle cylinder, and the lateral wall of support plate is rotatably connected through the bearing of rectangle cylinder, and the screw rod is rotatably connected in the rectangle cylinder, and the outer wall screw thread connection of screw rod has the screw block, the utility model discloses through setting up bracing assembly, when drilling the annular frame, rotates the rotating disc and drives the screw rod to rotate, and the screw block moves along with it, and through the connecting block and connecting rod drive four arc bracing plate synchronous opening or contraction, can to the stable support of different size annular frame, avoids the deformation of annular frame and the drilling periphery in the drilling process, and has improved the processing accuracy.

According to the hoop convenient hole forming device and method with the redundant material storage function, the problem that redundant materials are left on site after hoop hole forming is solved. Comprising 6-inch cutting pliers, a hole making cutting head is installed on the inner side of a pliers claw on one side of the cutting pliers, a redundancy storage barrel is installed on the outer side of a pliers claw on the other side of the cutting pliers, a hole is formed in the bottom of the redundancy storage barrel and communicated with a through hole formed in the pliers claw, the diameter of the hole is larger than that of the through hole formed in the pliers claw, and the diameter of the through hole formed in the pliers claw is matched with that of the hole making cutting head. The invention provides a standardized cable clamp hole making method. The assembly efficiency is improved, and the hidden danger of residue of redundant objects in the cabin body is solved; and the reliability and the stability of a flight product cable system are enhanced.

The invention discloses a universal follow-up positioning and clamping device for a robot cooperation type automatic feeding drill, which belongs to the technical field of aviation machinery assembly and comprises an external flange, a universal follow-up module, an output shaft, a motor, a harmonic reducer, a clamping mechanism and a clamping jaw. The universal follow-up module comprises a follow-up flange, a floating guide shaft and a pre-tightening spring, the middle of the follow-up flange is coaxially sleeved with the floating guide shaft, a plurality of spring guide grooves are formed in the peripheral side of the floating guide shaft, and spring mounting holes are correspondingly formed in the follow-up flange in the circumferential direction; a pre-tightening spring is arranged between the spring guide groove and the spring mounting hole; one side of the output shaft is fixedly connected with the floating guide shaft, and the motor is fixedly connected with the output shaft. Rapid positioning of the automatic feeding drill on the drill plate in the narrow space is achieved, the extra intervention procedure of manual fine adjustment is eliminated by effectively guaranteeing the perpendicularity of the main shaft of the automatic feeding drill and the hole position of the drill plate, and the efficiency of cooperative hole making is improved.

The utility model discloses a compact type automatic drilling mechanism based on a pneumatic main shaft. The compact type automatic drilling mechanism comprises the pneumatic main shaft, a visual module, a main shaft feeding module, a visual feeding module and a tail end base. The main shaft feeding module and the visual feeding module are fixedly installed on the tail end base through fasteners, the pneumatic main shaft is connected with the main shaft feeding module, the visual module is connected with the visual feeding module, and the pneumatic main shaft and the visual module are installed side by side. The compact type automatic drilling mechanism provides the feeding amount for the visual module through the visual feeding module, recognizes the position to be drilled through the visual module and is further used for providing the axial feeding amount for the pneumatic main shaft through the main shaft feeding module, and drilling is conducted through the pneumatic main shaft. According to the technical scheme provided by the utility model, the problems that an end effector used for automatic drilling in the prior art is complex in structure and large in dead weight, a high-power carrier must be used, and an electric main shaft is high in price, poor in economical efficiency and the like are solved.

The utility model discloses steel structure cross column web drilling equipment which comprises a workbench, the upper surface of the workbench is fixedly connected with a fixing plate, the upper surface of the fixing plate is fixedly connected with a guide rail, the surface of the fixing plate is connected with a push plate in a sliding mode, the surface of the guide rail is connected with a plurality of sliding blocks in a sliding mode, and the sliding blocks are fixedly connected with the workbench. And the lower surface of the push plate is in sliding connection with the upper surface of the fixed plate. The push plate slides on the surface of the fixing plate, the convex shafts move under the action of the inclined holes, the sliding blocks are pushed to be close to each other, the clamping plates are driven to clamp the surface of the T-shaped steel plate, drilling is kept stable, the PLC controls the first synchronous wheel and the second synchronous wheel to rotate, and the clamping plates are driven to clamp the surface of the T-shaped steel plate under the action of the synchronous belt. And after the moving plate moves close to the T-shaped steel plate, drilling operation is conducted on the surface of the T-shaped steel plate, and the machining efficiency is improved.

The invention provides a steel cable through hole coordinated hole making process method, and belongs to the technical field of aviation assembly, and the steel cable through hole coordinated hole making process method specifically comprises the steps that a lineation tool is prepared and is of a circular plate structure, and a U-shaped groove is formed in the circular plate structure; primary holes are formed in the skin; the skin is assembled on the aircraft; a process steel cable penetrates through the primary hole, and the two ends of the process steel cable are fixed after the process steel cable is straightened; the contact position of the primary hole and the process steel cable is trimmed, and the process steel cable and the skin are kept spaced; the opening of the U-shaped groove of the scribing tool is aligned with the process steel cable outside the skin, the process steel cable makes contact with the groove bottom of the U-shaped groove or the process steel cable is coaxial with the half arc structure, and a circle is drawn on the skin along the periphery of the circular plate structure to serve as the outline of the steel cable passing hole; removing the technical steel cable, and processing on the skin along the outline of the steel cable through hole to obtain the steel cable through hole. Through the treatment scheme, the hole forming precision of the steel cable passing hole is improved.

The invention belongs to the technical field of spaceflight structural part laser cutting, and particularly discloses a spaceflight top cover three-dimensional laser scribing and flanging convex hole primary hole manufacturing method which comprises the following steps that S1, a three-dimensional model is established; a top cover model is established in three-dimensional modeling software according to the inner model of a drawing theory; s2, programming is carried out; a scribing program used for scribing a central cross line and a quadrant line of the primary hole and a hole cutting program used for cutting the primary hole of the flanging convex hole are compiled in a numerical control system of the three-dimensional laser cutting machine; s3, aligning the center of the top cover; s4, carrying out three-dimensional laser scribing on a quadrant line and a primary hole center cross line; s5, adjusting a program starting point; s6, adjusting a local program segment as required; s7, performing three-dimensional laser hole cutting; and a hole cutting program is executed for hole cutting. According to the method, the operation process is simplified, the efficiency and precision of scribing and manufacturing the primary hole of the flanging convex hole are improved, the production cost is reduced, the method is particularly suitable for single-piece and small-batch development conditions, and the delivery progress is guaranteed.

The invention provides a lightweight aspheric surface deterministic machining method which comprises the following steps: performing lightweight drilling and surface milling on a part, releasing stress of the part, and controlling the consistency of surface shape errors of the part; analyzing deviation based on the determined optical axis of the part to obtain an inclination angle of the back of the part relative to the optical axis of the part; calculating the correction of the back of the part based on the inclination angle; the machined part is fixed and positioned on a multi-axis milling and grinding machine through a tool, the back plane of the part is finely trimmed with the optical axis of the part as the datum till deterministic machining of the surface of the part is completed, and the adjustment datum is obtained. According to the method, stress release is conducted on the milled and ground part, the error is subjected to deterministic trimming, and efficient convergence of the surface shape error in the deterministic machining process is achieved by integrating multiple means. And aiming at the part with the surface shape precision meeting the drawing requirement, the adjustment reference machining amount taking the optical axis as the reference is determined, so that parallelism deterministic machining is carried out, and the surface shape precision and the consistency of the batch machining process are improved.

The present application relates to the technical field of five-axis machine tool hole making, and particularly relates to a clamping device and a laser measurement hole making system for wing hanging hole making operation, a first intermediate assembly and a second intermediate assembly are detachably fixedly connected with a corresponding rotary table; the second intermediate assembly has front and rear extending end plates, and two groups of connection areas are formed on the end plates and are spaced apart front and rear; the clamping device further comprises a compensation insert piece, the compensation insert piece can be selectively inserted between the first intermediate assembly and the first connecting lug, and can also be selectively inserted between the connection area and the rotary table, so as to compensate for the fluctuation amount of the corresponding spacing, and the clamping device has the beneficial effects that through multiple technical means such as structure reuse, rotary reference unification, spacing compensation mechanism and assembly process optimization, high-precision, high-efficiency and high-stability indexing hole making clamping for wing hanging is realized, and the hole making efficiency and hole making precision are improved.

The invention relates to the technical field of aircraft composite material manufacturing, in particular to a sandwich structure composite material hole making method. According to the method, a replaceable tool bit with a gradually-changed sawtooth cutting structure is adopted, and a double-positioning system with guide rod positioning and end face attaching to a positioning ring is matched, so that precise locking of the drilling position is achieved; the tool bit is integrated with an inner cooling channel and a spiral flow guide groove, and a cooling medium is synchronously conveyed and chippings are discharged during drilling; an elastic scraping blade is arranged at the tail of the tool bit, and burr cleaning is synchronously completed after hole forming. According to the drilling tool, the tool bit can be replaced quickly through the quick-release structure, and the requirements of different hole diameters are met. The technical problems of layering, hole diameter deviation, untimely heat dissipation and the like in the hole forming process of the sandwich structure composite material are effectively solved, the hole forming process is simplified, the hole forming efficiency and the hole wall quality are improved, the universality is high, and the method is suitable for various sandwich structure hole forming scenes of an aircraft composite material assembly site.

The utility model provides a kind of support device for CFRP rotary body side face hole making, belong to the machining technical field of carbon fiber reinforced composite material (CFRP).It solves the delamination, wire drawing, splitting defects and other problems that appear in the process of punching CFRP parts, especially CFRP rotary body pipe parts side face in prior art.This kind of support device for CFRP rotary body side face hole making, it includes: base, as the processing platform of workpiece to be processed;Support frame, located inside workpiece to be processed, and connected to base, and the end of the side wall of workpiece to be processed on support frame is connected end;Power source, installed on the connected end of support frame;Support plate, one side is connected with the output end of power source, the other side of support plate is provided with elastic part, and support plate is driven by power source to approach and adhere to the side wall of workpiece to be processed.The utility model has the advantages of preventing delamination, splitting defects in the process of side face hole making of CFRP rotary body, effectively removing burr.