141results about "Drilling machines" patented technology

The utility model belongs to the technical field of trepanning device, and disclose multifunctional integrated woodwork three-in-one connecting piece trepanning device, including the basic support of cross section is L type, the basic support is installed with hand twist and is pressed tightly spare, the basic support one side is connected with the positioning template through first screw, the positioning template is connected with eccentric wheel punch -out template through second screw, the eccentric wheel punch -out template is opened with two different hole diameter holes, the basic support is connected with hole distance template through third screw away from the one side of positioning template, the positioning template still can be connected with hinged hole opening positioner through fourth screw, can respectively constitute four kinds of specifications three-in-one eccentric wheel hole trepanning device, hinged hole trepanning device, three-in-one embedded part pilot hole positioner, inclined hole positioner, cabinet door adjusting clamp etc., realize a set of tools, multiple purposes, need not to replace the tool repeatedly, be favorable to the use of wood working operation.

The utility model relates to a doorframe side frame lock hole opening device, which comprises a rack, a drilling mechanism, a conveying mechanism, a lifting mechanism, a pressing mechanism and a chip removal mechanism, a track is arranged on the outer side of the rack, the drilling mechanism is connected to the track in a sliding manner, the output end of the drilling mechanism faces downwards, the chip removal mechanism is arranged on the drilling mechanism, and the conveying mechanism is arranged on the conveying mechanism. Two fixing plates and two supports are arranged on the machine frame in a front-back mode, the two supports are located between the two fixing plates, the downward pressing mechanism is installed on the fixing plates, the output end of the downward pressing mechanism horizontally stretches out to the position above the supports, and the lifting mechanism is installed on the portion, between the two supports, of the machine frame. The upper end face of the support is higher than the upper end face of the fixing plate, the chip removal mechanism faces the support, and the upper end face of the conveying mechanism can move up and down to cross the upper end face of the support. And by arranging the chip removal mechanism, wood chips and dust generated in the machining process are discharged in time, and environmental pollution is reduced.

The invention relates to the field of wooden door punching, in particular to a wooden door production punching device with a deviation prevention function, which comprises a punching machine base, supporting plates are symmetrically and fixedly connected to the inner wall of the punching machine base, clamping plates are symmetrically and movably connected between the two supporting plates, and a guide rod is movably connected to the rear side of the punching machine base. And a base plate is fixedly connected between the two guide rods. According to the wooden door production punching device with the deviation preventing function and the using method thereof, the wooden door production punching device is composed of a pressing mechanism, a transmission mechanism and an alarm mechanism, an electric telescopic rod is started, two connecting rods deflect to drive a pressing plate to abut against a wooden door to move in the direction of a base plate, and after the base plate is pressed, two first racks move and are engaged with a transmission gear; and the two clamping plates, the base plate and the pressing plate are matched and can synchronously move to clamp the periphery of the wooden door, the effect of rapid center positioning is achieved, the situation that the position of a drilling machine needs to be adjusted after the wooden door is clamped every time is avoided, and the machining efficiency is improved.

The utility model relates to the technical field of wood processing, and discloses a drilling device for wood processing, the drilling device comprises a processing table, a supporting frame, a first driving motor, a first threaded rod, a fixing seat and drilling equipment, the supporting frame is welded to the middle position of the top of the processing table, and the first driving motor is mounted on one side of the supporting frame; the clamping mechanism comprises supporting plates, hydraulic cylinders, connecting rods and pressing plates, the supporting plates are welded to the two sides of the machining table, the hydraulic cylinders are arranged on the outer sides of the supporting plates, one ends of the connecting rods are fixedly connected to the output ends of the hydraulic cylinders, and the other ends of the connecting rods are fixedly connected to the output ends of the pressing plates. The other end of the connecting rod is fixedly connected to the outer side of the pressing plate through screws. According to the drilling device for wood processing, by adjusting the positions of the four sets of pressing plates, when the pressing plates move towards the inner side, wood can be clamped, so that the wood is not prone to deviating and moving during drilling, and the wood can be stably drilled.

A feeding mechanism of the bottom punching device comprises a feeding groove, a first air cylinder and a second air cylinder, a pushing channel is arranged on a workbench, an outlet of the feeding groove is communicated with the left side of the middle of the pushing channel, the first air cylinder is arranged at the rear end of the pushing channel, and the second air cylinder is arranged on the left side of the front end of the pushing channel. The material pressing mechanism comprises a pressing plate connected to the mounting frame in a swinging mode, a base plate is fixed to the front end of the pressing plate, a third air cylinder for driving the pressing plate to swing is further fixed to the bottom of the workbench, and a fourth air cylinder is further arranged on the workbench below the pressing plate. By means of the special-shaped workpiece punching device, the punching precision of special-shaped workpieces can be guaranteed, and automatic feeding and discharging of the workpieces are achieved.

The invention discloses an intelligent fool-proof plate machining system and method and a computer program product. The system comprises a code scanner, an edge sealing machine, a conveying line sequentially passing through the code scanner and the edge sealing machine and a PLC connecting the code scanner, the edge sealing machine and the conveying line, the conveying line comprises a before-sealing line section located in front of the edge sealing machine, the code scanner is located above the before-sealing line section, a width measuring device connected with the PLC is arranged at the position of the before-sealing line section, and the width measuring device is connected with the PLC. In the process that the plate is sent to the edge sealing machine through the pre-sealing line section, the code scanner scans a label code on the plate to obtain size information of the plate and sends the size information to the PLC, the width measuring device measures the width information of the plate and sends the width information to the PLC, the PLC compares whether the measured width information of the plate conforms to the size information of the plate from the code scanner or not, and if yes, the edge sealing machine is started. If yes, the conveying line normally conveys the plate to the edge sealing machine and controls the edge sealing machine to conduct edge sealing on the plate, otherwise, it is considered that the label code of the plate is wrong, and the conveying line stops conveying the plate. The labeling device can prevent subsequent processing procedure errors caused by labeling errors.

The utility model discloses a rectangular plate trepanning device which comprises a workbench, an industrial personal computer, a rear installation base, a longitudinal moving sliding rail assembly and a servo motor. The industrial personal computer and the rear installation base are arranged on the workbench, the longitudinal moving sliding rail assembly is arranged on the rear installation base, and the servo motor is arranged on the rear installation base and connected with the longitudinal moving sliding rail assembly. The longitudinal sliding plate is arranged on the longitudinal moving sliding rail assembly and is driven by a servo motor to move up and down; the trepanning motor mounting seat is fixed on the longitudinal sliding plate; the drilling machine is arranged at the lower part of the trepanning motor mounting seat; the motor is arranged on the trepanning motor mounting seat and is in transmission connection with the drilling machine; the drilling machine is arranged on the workbench, the supporting base is arranged on the workbench and opposite to the drilling machine, and the wood base clamp is arranged on the supporting base in a sleeving mode and clamps a wood base to be drilled. By means of the scheme, the winebottle packaging box machining device has the advantages of being simple in structure, reliable in machining operation and the like, and has high practical value and popularization value in the technical field of winebottle packaging box machining.

A numerical control drilling and milling center with a following type disc tool magazine comprises a machining table, a machining center body arranged on one side of the machining table and a tool apron assembly installed on the machining center body, and the position of the tool apron assembly on the machining center body can be adjusted in the Y-axis direction. The machining center body comprises a base, a Y-axis driving mechanism installed on the base, an X-axis driving mechanism installed on the Y-axis driving mechanism, a Z-axis driving mechanism installed on the X-axis driving mechanism and a machining head installed on the Z-axis driving mechanism, and the maximum moving path of the machining head in the Y-axis direction in the machining process is a Y-axis effective machining path. And the tool apron assembly moves into the Y-axis effective machining path of the machining head, and after tool mounting and tool changing are completed, the tool apron assembly retreats from the Y-axis effective machining path of the machining head. The tool apron assembly is prevented from interfering with the stroke of the machining head, meanwhile, the maximum machining stroke of the machining head is ensured, and the machining range of the machining head is effectively widened.

The present invention relates to the field of anticorrosive wood processing technology, and in particular to an anticorrosive wood processing device with an upper-suspended follow-up hole stabilizer, comprising a horizontal main frame, an electric-controlled conveyor, a main drive motor, an electromagnet, an overhead electric-controlled lift, a lateral infrared positioning module, and a side punch. The anticorrosive wood processing device with an upper-suspended follow-up hole stabilizer of the present invention uses upper guide rails located on both sides of the electric-controlled conveyor to assemble the top guide frame, the upper follow-up translation seat, and the lateral assembly frame. The device can be directly installed on the conveying mechanism, which is convenient for the transformation and upgrading of the existing conveyor belt and is easy to popularize and promote. A side punch for receiving a split telescopic drill bit sleeve is staggeredly installed on the outside of the lateral assembly frame. By punching the anticorrosive wood board from both sides, the lateral stability during the punching process can be effectively improved, and the space utilization rate is also more efficient.

The present application belongs to the field of furniture production and manufacturing, and provides a wood material cutting tool wear and machining precision online monitoring method, which comprises: sharpness determination and wear amount calculation and analysis of handle milling cutter and drill bit; preparing test materials and tools, determining numerical control milling machine and measuring instrument equipment; based on the tool edge retreat amount on the tool wedge angle diagonal, as the cutting tool edge wear evaluation value; tool wear test; multi-source signal synchronous acquisition and signal preprocessing and noise reduction; multi-domain feature extraction and fusion; optimization algorithm suitable for tool wear prediction model establishment: constructing LF-SMA-RELM tool state monitoring and prediction hybrid model for predicting tool edge retreat amount; online monitoring and intelligent early warning; the present application realizes full-process monitoring and prediction of cutting tool wear state and machining precision change.

The invention relates to the technical field of woodworking tools, and discloses a double-station alternate timber side face punching machine tool which comprises a machining bed, a hydraulic cylinder and an electric push rod, a fixing frame is fixedly arranged on the outer wall of the electric push rod and fixedly connected with the driving end of the hydraulic cylinder, and an electric sliding table is installed on the outer wall of the machining bed and fixedly connected with the hydraulic cylinder. And a perforating machine body is slidably connected to the outer wall of the electric sliding table, a cleaning assembly is installed on the side, close to the electric sliding table, of the machining bed, a groove is formed in the machining bed, and the cleaning assembly is used for cleaning chippings in the groove. Through centralized recovery and treatment of the chippings, the effects that it is ensured that the machining table top is clean and tidy, the time cost needed for cleaning the table top in the later period is reduced, and the working intensity of operators is reduced are achieved.

The application discloses a bamboo summer sleeping mat processing equipment and a processing technology, which comprises a cutting cylinder device, a granulator, a flower inserting and punching machine, a water grinding device, a dryer, a carbonization furnace and a waxing machine; the cutting cylinder device clamps the phyllostachys pubescens by two calibration plates of the transverse calibration assembly to avoid transverse displacement of the phyllostachys pubescens, and clamps the phyllostachys pubescens by the bottom table and the top table of the radial calibration assembly to avoid radial displacement of the phyllostachys pubescens, so that the phyllostachys pubescens cannot produce displacement in the horizontal and vertical directions when entering the feeding port, the visual CCD camera in the feeding port can accurately determine the position of the bamboo joint, automatic identification of the bamboo joint is realized, and automatic cutting of the bamboo cylinder is realized, so that manual cutting of the bamboo cylinder is not needed, the water grinding device adopts two horizontal cylinder bodies for water grinding work, and the two horizontal cylinder bodies are opposite to each other, so that the movement mode of the bamboo pieces and the diamond powder in the cylinder is more complex, and the grinding efficiency is improved; the wormwood water is used instead of the dyeing agent, so that the finished product has no peculiar smell.

Drilling jig / template (1) which, for the geometric determination of the holes / insertion points (2), stably aligns or fixes itself on the workpiece (3) and on the workpiece (3) by means of a force (5) acting on a reference point / centering point (4) emanating from the drilling jig / template (1), preferably wherein the acting force (5) is generated by a spring element (6).

The utility model provides a device for punching a wooden board, which comprises a machine table and is characterized in that a U-shaped cover, a fixed V-shaped clamping plate and an air cylinder are sequentially arranged on one side of the machine table from back to front, the end part of a piston rod of the air cylinder is connected with a movable beam, the movable beam is connected with a track through a spring, and the track is connected with the U-shaped cover. A fixed V-shaped clamping plate is arranged on one side of the machine table, a track is arranged on the other side of the machine table, an adjusting seat is slidably connected to the track, a locking screw is connected to the adjusting seat in a threaded mode, a movable clamping strip matched with the fixed V-shaped clamping plate is further connected to the adjusting seat, and a containing table used for containing an electric punching tool is arranged on the other side of the machine table.

The utility model relates to the technical field of plywood automatic punching drilling and milling integrated machine, disclose plywood automatic punching drilling and milling integrated machine, the utility model discloses a follow -up dust extractor, the follow -up dust extractor is configured at the lower end surface of drilling and milling motor and is sleeved in the outside of drill bit or milling head, the follow -up dust extractor is equipped with a cavity that is open downward, the cavity is connected with suction fan through suction hose, the cavity forms the negative pressure suction force in and carries out the cleaning to the wood chip generated by punching or milling. The utility model adopts the unique structure design, its outside is sleeved in the drill bit when working, when the wood chip splashes, the annular surrounding structure of suction guide sleeve can block the big particle wood chip, and the design of suction guide sleeve makes the wind more concentrated near the cutting position, compared with prior art effectively improve the probability of absorbing wood chip, so the selection requirement of matched dust collection fan can be low.

The present invention discloses a wooden window processing line, which relates to the technical field of wooden window processing. It includes a loading platform and a cutting machine. The entire process is a unified production line processing, which will not cause material accumulation. While improving efficiency, before the material is poured with paint, the air in the air distribution duct can be blown downward through the exhaust duct. The blown air can blow off the dust and impurities on the surface of the material, preventing the material from entering the horizontal pouring machine for pouring paint and affecting the quality of the finished product. The cylinder can drive the positioning plate to rise and fall through the fixed plate, so that the brush at the lower end of the annular tube can be tightly attached to the upper part according to the height of the material, so that the dust on the surface of the material can be cleaned before the material enters the horizontal pouring machine, thereby increasing the effect of double cleaning and avoiding dust or impurities on the surface of the material.

The utility model provides a clamping hand device with a floating function for a woodworking six-sided drill, which comprises a clamping hand device movably arranged on the six-sided drill, the clamping hand device is provided with an upper clamping hand and a lower clamping hand, and a driving cylinder is connected between the upper clamping hand and the lower clamping hand. Adjusting assemblies are arranged on the two sides of the lower clamping hand, the clamping hand device is provided with two upper air cylinders corresponding to the top ends of the adjusting assemblies and two lower air cylinders corresponding to the bottom ends of the adjusting assemblies, and the upper air cylinders and the lower air cylinders can jointly drive the upper clamping hand and the lower clamping hand to move up and down. The upper clamping hand and the lower clamping hand move up and down through the two upper air cylinders and the two lower air cylinders correspondingly, when a plate is in place, the upper clamping hand and the lower clamping hand clamp the plate through the driving air cylinders, second push rods of the two lower air cylinders below the upper clamping hand and the lower clamping hand are pushed out, the plate is separated from the table top, and the clamping hand device starts to move to prepare for machining; the first push rods of the two upper air cylinders are pushed out, the second push rods are pressed back, the bottom faces of the plates are flush with the table top, and the plates are prevented from suspending and moving during machining.

The utility model provides a vertical drilling moving seat for a numerical control gang drill, which belongs to the field of woodworking drilling machinery and comprises a moving structure and a drilling bag mounted on the moving structure, a dust hood cylinder is fixedly mounted on one side of the drilling bag, a telescopic end of the dust hood cylinder vertically stretches out and draws back and is fixedly provided with a material pressing dust hood, and the telescopic end of the dust hood cylinder is fixedly provided with a material pressing dust hood. The material pressing dust suction hood is of a hollow structure and surrounds the drill bag, the material pressing dust suction hood is provided with a dust outlet connected with the dust suction structure and a dust suction opening matched with a drill bit of the drill bag, and the position, corresponding to the telescopic end of the dust hood air cylinder, of the side wall of the material pressing dust suction hood is thickened to form a material pressing part. The telescopic end of the material pressing part and the telescopic end of the dust cover air cylinder coincide or partially coincide in the vertical direction, the material pressing dust suction cover is matched with the dust cover air cylinder to achieve the auxiliary material pressing function, the slight dislocation phenomenon in the drilling process can be effectively reduced, and the drilling quality is improved. And meanwhile, the fitting degree between the material pressing dust suction hood and the drilled material can be improved, escaping of drilling dust is reduced, and the dust suction effect is improved.

Drilling jig / template (1) which, for the geometric determination of the holes / insertion points (2), stably aligns or fixes itself on the workpiece (3) and on the workpiece (3) by means of a force (5) acting on a reference point / centering point (4) emanating from the drilling jig / template (1), preferably wherein the acting force (5) is generated by a spring element (6).

The invention discloses a narrow plate sorting system, which relates to the field of plate processing equipment, and comprises an edge sealing and line connecting machine unit, a drilling and line connecting unit, a sorting and packaging unit and a logistics conveying unit which are connected in sequence, and is adaptive to sorting of narrow strip plates. The edge sealing and connecting machine unit comprises a narrow edge sealing machine, three long edge sealing and connecting machines and a free vehicle transfer assembly, and short and long edge sealing and differential labor division are achieved. The drilling connection unit comprises a double-station six-face drilling machine, a chain type cache assembly and the like, the productivity is balanced, and unqualified plates are screened out. The sorting and packaging unit comprises six flat warehouse bodies, a plurality of sections of clamp manipulators and the like, and realizes warehouse-in and whole-layer warehouse-out of the jointed boards; and an exception handling unit is further included to guarantee operation. According to the system, the accuracy, automation and efficiency of narrow plate sorting are improved, non-landing production of narrow strip plates is achieved, and the damage rate of manual transfer is reduced.

The utility model discloses punching positioning equipment for building decoration engineering service, which comprises a base plate and supporting rods, the supporting rods are symmetrically arranged at the top of the base plate, side plates are arranged on the two groups of supporting rods, limiting plates are arranged on the side plates, the middle parts of the two groups of supporting rods are fixedly sleeved with a material pushing mechanism, the material pushing mechanism is arranged under the side plates, and the limiting plates are arranged on the side plates. The pushing plate in the pushing mechanism is in contact with one side of a wood board, so that the wood board can be limited from top to bottom, the wood board can be pushed to move, a worker can conveniently take down the wood board from a side board, the workload of the worker is reduced, and the problem that in the background technology, after wood board punching is completed, the wood board cannot be conveniently taken down is solved. And the wood board needs to be dragged and taken down by a worker, so that the operation is relatively troublesome.

The utility model relates to the technical field of bamboo board production, and discloses a combined punching positioning device for mould-proof bamboo board production, which comprises a punching table, supporting legs are fixedly mounted on two sides of the bottom of the punching table at equal intervals, a supporting plate is fixedly mounted on one side of the bottom of the punching table, and an industrial dust collector is arranged at the top of the supporting plate. Bamboo plates of different sizes can be positioned through positioning adjustment, a first hydraulic rod is started to drive a connecting plate, a connecting rod and a hollowed-out block to move, a sliding groove positioning block and a groove positioning block are further pushed to position and clamp the bamboo plates, when the bamboo plates of different sizes need to be positioned, a rotary knob is rotated to drive a screw to rotate, and then the bamboo plates are clamped. And the groove threaded block and the push rod are further driven to move, the other end of the push rod drives the groove positioning block, the sliding rod and the limiting block to extend outwards, the positioning range is expanded, the time for manually adjusting the clamp and positioning the punching position is greatly shortened, and therefore the positioning and adjusting effect is achieved.

The utility model belongs to the technical field of wooden board processing, and particularly relates to a strip-shaped wooden board processing and fixing device which comprises a rack, an upper clamping device and a lower fixing device, and the upper clamping device and the lower fixing device are arranged on the rack. The upper clamping device comprises a downward pressing mechanism and a clamping mechanism, the downward pressing mechanism is arranged on the rack, the clamping mechanism is arranged at the moving end of the downward pressing mechanism and located above the lower fixing device, and the clamping mechanism is used for fixing a strip-shaped wooden plate to be machined to the lower fixing device; the lower fixing device comprises a base and a fixing table; the base is arranged on the rack, the fixing table is arranged on the base, and an inverted trapezoidal clamping groove is formed in the fixing table and used for containing a strip-shaped wooden plate to be machined. According to the design of the device, different shapes and sizes of the strip-shaped wooden plates are considered, and rapid fixing and accurate machining of the different strip-shaped wooden plates are achieved through the modular and adjustable design.

The invention discloses honeycomb frame machining equipment, and relates to the technical field of honeycomb plate machining, the honeycomb frame machining equipment comprises a base, a first motor and a rack, the first motor is mounted at the top end of the base, a transmission shaft is mounted at the output end of the first motor through a coupler, and a rotating frame is mounted on the outer wall of the transmission shaft; rotating frames are installed at the two ends of the base, assembling platform plates are installed on the outer walls of the rotating frames correspondingly, a rack is installed at the top end of the base, discharging frame bodies are installed on the two sides of the rack, a first wood plate and a second wood plate are placed in the discharging frame bodies correspondingly, and a spacing discharging mechanism used for discharging one by one is arranged below the discharging frame bodies; limiting blocks used for fixing the positions of the first wood plate and the second wood plate are installed at the top end of the assembling platform plate, the device has the advantages that threading connection is conducted through the threading mechanism, iron wires are straightened through the clamping and straightening mechanism, finally, the iron wires are slit, cut off and bound through the connecting mechanism, the automation degree of the structure is high, labor force is saved, and the production efficiency is improved. The production efficiency is improved.

The invention discloses an electric tool and a tool head thereof, the tool head comprises a tool main body and a handle part, the tool main body comprises a main body part, an impact head located at one end of the main body part and a transition part located at the other end of the main body part, and the handle part is inserted into an impact electric device. The handle part is connected to the end, away from the main body part, of the transition part, the handle part extends in the axial direction of the tool main body, and the transition part is provided with a first connecting end face connected with the handle part and a second connecting end face connected with the main body part; the area of the second connecting end face is larger than that of the first connecting end face. According to the tool head, the radial section size of the transition part is gradually increased, and when shock waves are transmitted in the tool head, generated reflected waves are small, so that more energy can be transmitted to a to-be-operated object, and the impact efficiency is further improved.

The utility model discloses a positioning drill with a cover, which comprises a drill bit and a positioning cover arranged on the drill bit, the positioning cover can freely rotate on the drill bit, the drill bit comprises a drill handle and a drill body arranged on the drill handle, and at least one clamping groove is arranged on the drill handle. The connecting structure is reasonable in design, simple in structure, capable of enabling connection with the outside to be firmer, favorable for avoiding the risk of separation, better in strength and more favorable for meeting use requirements.

A multifunctional numerical control drilling and milling center with a chip removal device comprises a supporting seat, a base arranged at the bottom of the rear portion of the supporting seat, a machining table installed on the supporting seat, a machining center body installed on the base and a waste discharge system installed on the base and arranged below the machining center body. The waste discharging system comprises two oppositely-arranged material guiding plates and a material discharging line arranged below the material guiding plates. The discharging line comprises a bottom frame, a positioning frame, a driven roller movably installed on the bottom frame, a driving roller movably installed on the positioning frame, a driving motor installed on the positioning frame, a gear box connected with the driving motor and the driving roller, a dust suction hood installed on the positioning frame and arranged on one side of the driving roller, and a brush installed on the dust suction hood and abutting against the driving roller. And the belt is arranged on the driving roller and the driven roller in a sleeving manner and is arranged below the two material guide plates. The wood chipping collecting device enables chippings to be collected directionally, effectively improves the working environment of a wood processing center, keeps the ground clean and tidy, and is high in practicability.

The utility model belongs to the technical field of aluminum frame door machining, and particularly relates to a plate conveying assembly for an aluminum frame door punching procedure, which comprises a workbench, a drilling machine, a feeding frame and a discharging frame are arranged on the workbench, a third air cylinder in the feeding frame is driven through a controller and a height sensor, a roller on the feeding frame is flush with a conveying plate, and the conveying plate is arranged on the workbench. A plate on a roller is manually taken to a conveying plate, a first air cylinder pushes the plate on the conveying plate to be conveyed into a drilling machine, an air blower blows away wood residues and chippings on the surface of the plate after drilling is completed, a third air cylinder in a lower frame is driven by a controller and a height sensor, the roller on a discharging frame is arranged below the conveying plate, and the conveying plate is driven by a motor to rotate. A second air cylinder is driven to drive a second air cylinder to push a plate, the plate is conveyed to a roller in a discharging frame from a conveying plate, the feeding frame and the discharging frame are in a lifting mode, a height sensor is additionally arranged, and the plate can automatically descend along with discharging of the plate. Compared with the prior art, the automatic material receiving device can automatically receive materials and improve the production efficiency.

The utility model relates to the technical field of workpiece clamping and fixing, and particularly discloses a wood-working machine avoiding clamp mechanism which comprises a base, a discharging station used for containing a workpiece is arranged on the base, a clamping assembly and a pressing piece are arranged on the base, a fixing piece is arranged on one side of the discharging station, and the end, opposite to the fixing piece, of the pressing piece is a movable end. The clamping assembly comprises a first driving part, a second driving part and a clamping part, the first driving part is installed on the base, the driving end of the first driving part is fixed to the second driving part, the first driving part drives the second driving part to move longitudinally, and the clamping part is fixed relative to the driving end of the second driving part. According to the clamp mechanism provided by the utility model, a machining area can be conveniently avoided when a workpiece is machined, and the machining efficiency of the workpiece is effectively ensured.

Disclosed in the present application are a power tool and a tool head thereof. The tool head comprises a tool body and a shank, wherein the tool body comprises a main body portion, an impact head located at one end of the main body portion, and a transition portion located at the other end of the main body portion; the shank is inserted into an impact power apparatus; the shank is connected to the end of the transition portion away from the main body portion, and the shank extends in the axial direction of the tool body; the transition portion has a first connecting end face connected to the shank and a second connecting end face connected to the main body portion; and the area of the second connecting end face is greater than that of the first connecting end face. In the present invention, the radial cross-sectional dimension of the transition portion gradually increases; and when a shock wave propagates inside the tool head, a generated reflected wave is small, such that more energy can be transferred to an object to be processed, thereby improving the impact efficiency.