39results about How to "Improve hole efficiency" patented technology

The present invention provides a slope anchor hole straightening auxiliary device and a construction quality assurance method, comprising: a base, a slope body arranged on the base, an upper roadbed and a lower roadbed located on the base and respectively placed on both sides of the slope body, a plurality of guide components arranged on the upper roadbed and the lower roadbed, an operating table arranged on one of the guide components, an electric winch installed on the upper roadbed, one end of which is arranged on the electric winch. The slope anchor hole straightening auxiliary device and the construction quality assurance method can provide a stable and accurate operating plane on the slope body through the arranged guide components, positioning components and stabilizing components, so that the anchor drill on the operating table can reduce the influence of vibration on the integrity of the hole when working, and improve the accuracy of the anchor drill after the angle adjustment, thereby ensuring the straightening effect of the anchor hole.

The invention discloses a photo-thermal cavitation micro-nano needle tip array, a manufacturing method thereof and a cell transfection method, and belongs to the field of cell transfection, the photo-thermal cavitation micro-nano needle tip array comprises a plurality of needle tip structures arranged on a substrate, the needle tip structures are located on the same side of the substrate, each needle tip structure comprises a main body, the main body is conical, an optical cladding and a photo-thermal layer are arranged on the outer surface of the main body, the photo-thermal layer is located at the top of the main body, the optical cladding is located between the photo-thermal layer and the main body, the main body is completely wrapped by the optical cladding and the photo-thermal layer, the photo-thermal layer is made of a photo-thermal material, the needle tip of the needle tip structure is in close contact with cells, and when photo-thermal cavitation bubbles are generated in the photo-thermal layer, the trepanning efficiency is higher, so that the cell transfection efficiency is improved; the positioning trepanning of cells is controlled through the arrangement and density of the needle tip array, and the functions of drug delivery, transfection, physical treatment and the like are achieved.

The utility model relates to a high-efficiency motor shaft hole machining device which is applied to the technical field of motor shaft machining and comprises a machine table, a rotating disc and a drilling assembly, the rotating disc and the drilling assembly are both arranged on the machine table, and a plurality of machining stations are arranged on the rotating disc; the drilling assembly comprises a drill bit suspended above the turntable; when the rotating disc rotates, the multiple machining stations sequentially pass through the position under the drill bit. According to the technical scheme, the multiple machining stations are arranged on the rotary table, during machining, the to-be-machined motor shaft only needs to be placed in each machining station, the machining stations provided with the to-be-machined motor shaft are placed under a drill bit in turn through rotation of the rotary table, and drilling machining is conducted on the end of the motor shaft; when the motor shaft is machined, the machined motor shaft can be taken down from the machining station, the motor shaft to be machined is placed on the vacant machining station, machining is conducted in a reciprocating and uninterrupted mode, and the tapping efficiency of the end of the motor shaft is greatly improved.

The utility model discloses perforating equipment for civil defense door accessories, which comprises a base, a supporting plate is arranged on the rear side of the top of the base, an air cylinder is mounted on the supporting plate, the output end of the air cylinder penetrates through the top wall of the supporting plate and is connected with a supporting plate, a perforating assembly is mounted on the supporting plate, and the perforating assembly is connected with the air cylinder. A first sliding rail is arranged on the base, a moving plate is connected to the first sliding rail in a sliding mode, a second sliding rail is arranged at the top of the moving plate, the sliding direction of the second sliding rail is perpendicular to the sliding direction of the first sliding rail, a placing table is arranged on the second sliding rail, and an electric telescopic rod is installed at the side end of the top of the moving plate. And the output end of the electric telescopic rod is connected to the placing table. The utility model belongs to the technical field of civil air defense door accessory trepanning, and particularly relates to trepanning equipment for civil air defense door accessories.

The utility model discloses a low-cost radome trepanning tool in the technical field of tools, the trepanning tool comprises a first drill jig, a plurality of second drill jigs are arranged outside the first drill jig, a plurality of drill bushings are arranged on the first drill jig and the second drill jigs, and the drill bushings are used for trepanning a radome. The radome tapping device solves the problems of low tapping precision and high tapping cost in the prior art, and can be used for radome tapping.

The utility model discloses a railway vehicle air diffuser drilling device which comprises a bottom plate, a rotating disc, a mounting groove, clamping rods, a sliding block, a sliding hole, a limiting structure, a worm gear, a shifting hole, a drilling machine and a time difference rotating structure, the rotating disc is arranged on the upper side of the bottom plate, the mounting groove is formed in the upper side of the rotating disc, the clamping rods are arranged on the front side and the rear side of the interior of the mounting groove, and the sliding block is arranged in the sliding hole. Sliding blocks are arranged at the lower ends of the clamping rods, sliding holes used in cooperation with the sliding blocks are formed in the bottom ends of the interiors of the mounting grooves, limiting structures are arranged between the sliding blocks and the sliding holes, a worm gear is arranged on the upper side of the rotating disc, shifting holes used in cooperation with the clamping rods are formed in the upper side of the worm gear, and a drilling machine is arranged above the worm gear. Compared with the prior art, the automatic drilling machine has the advantages of being high in drilling efficiency and more automatic.

The invention provides aluminum veneer automatic machining and trepanning equipment and a trepanning method. The aluminum veneer automatic machining and trepanning equipment comprises a trepanning positioning assembly, and the trepanning positioning assembly comprises a U-shaped frame, a support, a sliding groove, a first sliding block, a first threaded hole, a first threaded rod and a trepanning assembly. A conveying belt is driven by a conveying motor to automatically convey aluminum veneers, a synchronous motor and an adjusting motor in the trepanning positioning assembly can accurately adjust the position of a trepanning drill bit, a first electric cylinder and the trepanning motor are matched to achieve automatic trepanning, repeated manual labor is not needed in the whole process, and the trepanning efficiency is greatly improved; the requirements of large-scale production and rapid construction of aluminum veneers in the modern building decoration industry can be met, and the production period is shortened; the controller is used for accurately controlling the operation of each motor and each electric cylinder, so that the conditions that the tapping size does not meet the design requirement and the hole position deviates can be effectively avoided, the tapping precision is greatly improved, and the performance and the effect of the aluminum veneer in the subsequent mounting and using process are ensured.

The invention provides a fixed-distance directional sliding device, a fishbone well completion pipe string and a construction method, and belongs to the technical field of oil and gas exploitation. The fixed-distance directional sliding device comprises a central pipe, a plurality of sliding grooves parallel to the central axis are formed in the outer wall of the central pipe, a sliding sleeve is arranged on the outer wall of the central pipe in a sleeving mode, a plurality of guiding sliding pins are arranged on the sliding sleeve in the circumferential direction, and the guiding sliding pins are arranged at the positions of the sliding grooves. The fishbone well completion pipe string comprises a casing pipe, a lower oil pipe, a fixed-distance directional sliding device and an upper oil pipe are sequentially arranged in the casing pipe from bottom to top, and a perforating gun and a spraying needle pipe are sequentially arranged in the lower oil pipe from bottom to top. According to the invention, perforating bullet perforation and hydraulic jet drilling are combined, the drilling process of perforation first and then jet is realized, the problem of cutting the casing wall is avoided, the perforation efficiency is improved, and the multi-branch fishbone well technology is applicable to the cased well.

The present invention relates to the technical field of appliance processing equipment, and specifically to a molding die device for bracketless invisible orthodontic appliance. The molding device includes a shell, a support plate, a molding mechanism, a heating mechanism and a vacuum mechanism. The shell is used to provide a cavity for molding, the support plate is fixedly connected in the cavity, and is used to carry the lower diaphragm. The molding mechanism includes a lifting component and an adsorption component. The adsorption component is used to adsorb the upper diaphragm, the lifting component is used to drive the adsorption component to lift, the heating mechanism is used to heat the upper and lower diaphragms, and the vacuum mechanism includes a hole opening component and an exhaust component. The present invention uses a hole opening component to open a hole in the lower diaphragm, and an exhaust component to vacuum the cavity surrounded by the upper and lower diaphragms along the hole opening position, which can avoid the occurrence of bubbles when the appliance is pressed and molded, so that the molded appliance fits the dental mold better, and the quality of the molding is improved. At the same time, the position of the hole opening component is adjustable, and it can be suitable for molds of different shapes and sizes.

The invention relates to a manufacturing method of a multilayer circuit board. The manufacturing method comprises the following steps: forming an initial multilayer circuit board; the method is connected with a target circuit layer and comprises the following steps that a conductive hole is formed from the top layer and / or the bottom layer of the initial multilayer circuit board to the opposite side, and the conductive hole at least penetrates into the target circuit layer with the distance longer than the initial position of the hole; filling the conductive hole with a conductive material to form an initial conductive hole; insulating open holes are formed in the initial conductive holes from the top layer and / or the bottom layer of the initial multilayer circuit board to the opposite side, and the insulating open holes at most penetrate into a target circuit layer which is shorter away from the initial position of the open holes; filling the insulating hole with an insulating material to form an insulating hole; and respectively forming a top circuit layer and a bottom circuit layer on one side surface of the top layer and one side surface of the bottom layer. According to the manufacturing method of the multi-layer circuit board, interlayer interconnection of any circuit layer can be achieved, the freedom degree of circuit design is improved, the hole opening depth is accurately controlled, and the manufacturing technological process is simplified.

The invention relates to shaft end trepanning equipment which comprises a drilling machine and a pressing table, the drilling machine is a horizontal drilling machine, a drill bit is installed at the output end of the drilling machine, the pressing table is arranged on one side of the drilling machine, a conveying mechanism for conveying shafts is arranged on one side of the pressing table, a baffle is arranged on the pressing table, and the baffle is arranged on the drilling machine. The baffle is located between the drilling machine and the pressing table, the pressing table is provided with a supporting seat, a pressure applying seat and a driving part for driving the pressure applying seat to ascend and descend, the pressure applying seat and the supporting seat are each provided with a V-shaped groove for limiting a shaft, the pressure applying seat is located above the supporting seat, during machining, the end of the shaft abuts against the baffle, and the pressure applying seat is located above the supporting seat. The shaft is located between the two V-shaped grooves. The tapping equipment has the effect of improving the tapping efficiency of the tapping equipment.

The utility model discloses tapping equipment for polyvinylidene fluoride plate production, which relates to the technical field of plate processing and comprises an outer frame. Two sets of symmetrical first connecting plates are fixed to the inner wall of the outer frame, each set of first connecting plates comprises two first connecting plates which are symmetrically distributed up and down, two limiting plates are fixed between every two adjacent sets of first connecting plates, and the two limiting plates are each provided with two lifting plates in an up-down sliding fit mode. By driving the two lifting plates which are in vertical sliding fit with the two limiting plates respectively to move close to or away from each other vertically, the lifting blocks, the limiting inclined plates and the clamping plates which are fixed to the adjacent sides of the two lifting plates respectively are driven to move close to or away from each other vertically; according to the clamping device, a polyvinylidene fluoride plate is clamped and fixed by the rubber surfaces arranged on the opposite side surfaces of the adjacent clamping plates, so that the problem of shaking in the trepanning process is avoided, the trepanning precision is favorably controlled, and the trepanning efficiency is improved.

The utility model discloses a gas stove accessory trepanning device, which relates to the technical field of gas stove accessory processing and comprises an underframe and a support frame fixedly arranged on the back side of the underframe, an electric cylinder is fixedly arranged on the top of the inner wall of the support frame, a motor is fixedly arranged at the bottom of the electric cylinder, and a drill rod is fixedly arranged at the output end of the motor. Cross rods are rotatably arranged at the two ends of the interior of the bottom frame in a penetrating mode, chain wheels fixedly sleeve the two ends of the rod wall of each cross rod, two chains are arranged between the multiple chain wheels in a transmission and sleeving mode, multiple connecting plates arranged at intervals are fixedly arranged on the outer walls of the two chains, a containing frame is fixedly arranged at the tops of the connecting plates, and a material box is jointly and fixedly arranged at the top of the back side of the bottom frame through two connecting rods. According to the bottom frame, the cross rod, the chain, the chain wheel, the connecting plate, the containing frame, the supporting frame, the electric cylinder, the motor, the rotating rod, the material box and the limiting plate, in the drilling process, accessories can sequentially fall from the material box and move to the position below a drill rod for drilling, the disassembly and assembly steps are reduced, the disassembly and assembly time is shortened, and the drilling efficiency is improved.

The utility model relates to the technical field of tray production, and discloses a perforating device for transporting and packaging trays, which comprises a rack, a portal frame is arranged at the top of the rack, a sliding seat is arranged at the upper part of the portal frame, a lifting block is mounted on one side of the sliding seat, a plurality of drilling machine assemblies are arranged on the lifting block, and a plurality of drilling machine assemblies are arranged on the drilling machine assemblies. The multiple drilling machine assemblies can independently move relative to the lifting block in the Z-axis direction. Two clamping plates parallel to the X-axis direction are oppositely arranged at the top of the rack; the two clamping plates are used for automatically centering a tray and then clamping the tray, then along with the movement of the lifting block, drilling machine assemblies of different specifications descend to a working station according to requirements, and corresponding trepanning operation is carried out on the tray; the device can achieve the purposes of one-time tray clamping and multiple trepanning, so that the carrying frequency of the trays in the production process is reduced, and the trepanning efficiency is improved.

The utility model belongs to the technical field of positioning tools, and particularly relates to an ABS valve body machining positioning tool which comprises a valve body, a fixing frame is arranged below the valve body, the fixing frame is of an n-shaped structure, and a static clamping seat is rotationally arranged at the top of one side of an inner cavity of the fixing frame. A movable clamping seat is movably installed on the surface of the side, away from the static clamping seat, of an inner cavity of the fixing frame, an electric telescopic rod is installed on the surface of the side, close to the movable clamping seat, of the fixing frame, a piston rod of the electric telescopic rod penetrates through the cavity wall of the fixing frame, a push plate is connected to the end of the piston rod of the electric telescopic rod, and a worm wheel is rotationally arranged on the surface of the push plate. One side of the worm gear is in transmission connection with a worm; during use, a valve body can be rapidly clamped, meanwhile, the valve body can rotate during machining, and the fixing angle of the valve body can be rapidly adjusted, so that the four faces of the valve body can be rapidly tapped, and the tapping efficiency of the valve body can be improved.

The handheld cultivation tapper comprises a supporting assembly, the supporting assembly comprises a pipe body, a groove is formed in one side of the pipe body, a plurality of limiting holes are formed in the groove, and external threads are arranged on the outer wall of the pipe body; the top of the pipe body is in external threaded connection with a limiting cover, a limiting assembly is arranged on the outer wall of the pipe body and comprises a fixing block connected to the pipe body through a bolt, and a fixing nut is arranged on one side of the fixing block. A connecting assembly is arranged in the pipe body and comprises a gasket connected into the pipe body in a sliding mode, a connecting rod is arranged at the top of the gasket, a handle is arranged at one end of the connecting rod, and sleeves are arranged on the two sides of the handle. According to the hole opener, planting holes can be rapidly formed, and the hole opening efficiency is remarkably improved; meanwhile, the structural design of the handheld cultivation tapper ensures the consistency of the size, the depth and the interval of the tapped holes, and the handheld cultivation tapper is small in size and can be flexibly operated in a narrow planting space of a facility sunlight greenhouse.

The invention belongs to the technical field of special-shaped curved surface flange welding trepanning, and particularly relates to an ellipsoid molded surface three-dimensional space in-situ milling trepanning technology which comprises a supporting film tire used for fixing and supporting an ellipsoid bottom, a center rotating shaft is arranged in the center of the supporting film tire, and a rotating supporting mechanism assembly is fixedly installed on the center rotating shaft. The rotary supporting mechanism assembly is located above the ellipsoid bottom. The rotary supporting mechanism assembly comprises an upper fixing ring, a lower fixing ring and a rotary sleeve. The upper fixing ring and the lower fixing ring are fixedly connected to the center rotating shaft, and the rotating sleeve is arranged on the center rotating surface in a sleeving mode. And one side of the rotating sleeve is hinged with the milling cutter fixing and adjusting assembly. According to the invention, the center adapter shaft is used as a rotation center, and the drilling operation of the ellipsoid bottom in a three-dimensional space is realized through a lever force application mechanism by adopting a milling cutter cutting machining mode.

The utility model relates to a tapping machine for breathable fabric, and relates to the technical field of fabric processing. The device comprises an operation table which is fixedly connected with a fixing frame; the device further comprises a connecting assembly, a mounting plate, a trepanning assembly and a cloth pressing mechanism. The connecting assembly is mounted on the fixing frame, and the mounting plate is connected with the fixing frame through the connecting assembly; the trepanning assembly is installed on the side, close to the operation table, of the installation plate. The cloth pressing mechanism comprises two cloth pressing assemblies and a driving assembly, the two cloth pressing assemblies are both mounted on the side, close to the operation table, of the mounting plate, the cloth pressing assemblies are distributed in the length direction of the mounting plate, and the tapping assembly is located between the two cloth pressing assemblies; the driving assembly is used for driving the two cloth pressing assemblies to press the fabric on the operation table; the tapping machine has the effect of improving the tapping efficiency of the tapping machine.

The utility model discloses an electric hand drill clamp which comprises a connecting part used for being connected with a shell. A guide part is mounted at the position, corresponding to the inclined hole of the shell, of the connecting part, and the guide part is used for guiding and positioning a drill bit of the electric hand drill; and a drill bushing is mounted in the guide part. According to the device, the device is fixed to a shell through the connecting part, then a drill sleeve is installed in the guide part, a drill bit of an electric hand drill is positioned and guided through cooperation of the guide part and the drill sleeve, a hole is formed in the position, where an inclined hole needs to be formed, of the shell, and a worker uses the electric hand drill to form one inclined hole; when one inclined hole is formed in the shell, the other inclined hole can be formed in the shell only by moving the electric hand drill, the hole forming efficiency in the shell is high, a drill bit of the electric hand drill cannot slide in the inclined hole forming process, then the shell cannot be damaged, and the efficiency of forming the inclined hole in the shell is improved.

The invention relates to the technical field of aluminum substrate molds, and discloses an aluminum substrate circuit via hole mold and a use method of the aluminum substrate circuit via hole mold. A first drilling station and a second drilling station are arranged on a mold main body, and an aluminum substrate is sequentially placed on the first drilling station and the second drilling station; the upper die holder and the lower die holder are matched to conduct semi-shearing drilling on the aluminum substrate located at the first drilling station and conduct drilling shaping and die closing on the aluminum substrate located at the second drilling station, hole plugging is not needed, the punching efficiency and the yield of the aluminum substrate are improved, and meanwhile the machining cost of the aluminum substrate is reduced.

The present invention provides a deep hole opening device and a method of use that are convenient for collecting waste chips, and relates to the technical field of deep hole opening, including: a processing body, a support frame body of an L-shaped structure is fixedly installed on the left and right sides of the top of the processing body; a transmission cylinder body is fixedly installed on the top of the support frame body; a hole opening slide plate is slidably installed on the support frame body; a hole opening motor is fixedly installed at the center position of the hole opening slide plate; a hole opening drill bit is fixedly installed on the output shaft of the hole opening motor; and a trigger push plate is fixedly installed on the front and rear sides of the hole opening slide plate. The auxiliary operation steps before and after the hole opening of this device are directly omitted, which indirectly improves the hole opening efficiency of this device, solves the problem of completing the positioning work of the structural parts before deep hole opening, and similarly, it is also necessary to complete the positioning cancellation work of the structural parts after the deep hole opening processing, which leads to the problem of lengthy operation steps before and after the deep hole opening processing.

The utility model discloses a tapping device for processing a hollow bolt, which is applied to the field of tapping devices and comprises a support, and the bottom of the support is fixedly connected with a fixing frame. The driving motor is arranged to drive the single connecting rod, the drill bit mounting base and the trepanning drill bit to rotate, the remaining connecting rods, the drill bit mounting base and the trepanning drill bit can be linked to rotate synchronously under the action of the four sets of belt wheels, and the trepanning drill bit can be driven to rotate synchronously under downward pushing of the downward pushing air cylinder. A plurality of drilling bits can be used for drilling at least five bolts at the same time, so that the drilling quantity can be large at a time, and the drilling efficiency at a time is high; and the two clamping air cylinders push the first fixing plate and the second fixing plate to be close to and away from each other, clamping plates at the tops of the first fixing plate and the second fixing plate can be matched with hexagonal bases at the bottoms of bolts of different sizes for clamping, the bolts of different sizes can be fixed, only tapping drill bits of different sizes need to be replaced, and practicability is high.

This invention provides an automatic positioning and drilling device and method for metal castings, comprising: a frame with a worktable at its bottom and a support column extending above the worktable connected to the top of the frame; a drilling assembly mounted on the support column for drilling holes in the casting; and a linear adjustment assembly mounted on the worktable for positioning the casting. This disclosure belongs to the technical field of drilling equipment. Through its clamping assembly, this invention allows for continuous drilling operations on multiple different planes of the metal casting using pneumatic pressure after clamping it. The forward movement of the rotating component drives the adjustment shaft to rotate, thereby causing the chuck to rotate with the metal casting. This allows for continuous drilling operations on multiple different planes of the metal casting with a single clamping, significantly improving the drilling efficiency of metal castings.

This invention discloses a manhole opening device and its usage method. The device includes a length-extendable opening frame, sliding components slidably disposed on both sides of the opening frame, and a length-extendable sleeve assembly rotatably disposed on the sliding components. By adjusting the inner frame length of the opening frame to be equal to the diameter of the arc segment of the manhole, and then moving the sliding components to the center of the sliding groove of the opening frame, the scribing radius can be quickly adjusted, enabling the rapid drawing of the semi-circular arc segment of the manhole. Furthermore, the inner frame along the width direction of the opening frame can be used to draw a straight line segment of the manhole, thereby completing the drawing of the manhole outline. This improves the efficiency of manhole opening, reduces potential errors caused by human construction, and lays the foundation for subsequent opening of holes in segmented structures.

The invention relates to the technical field of plate trepanning and polishing combined machining, and discloses furniture production plate trepanning and polishing integrated equipment which comprises a machining table, supporting legs are fixedly connected to the bottom of the machining table, a vertical plate is fixedly connected to the top of the machining table, and a first electric push rod is arranged on the left side of the vertical plate; the output end of the first electric push rod is fixedly connected with a mounting block through a first telescopic rod, a first motor is fixedly mounted at the bottom of the mounting block, a first connecting shaft rod is fixedly mounted at the output end of the first motor, and a grinding mechanism is arranged at the bottom of the first connecting shaft rod. A metal plate needing to be perforated is fixed to the upper portion of the machining table, a first electric push rod and a first motor are started to drive a drilling tool to perforate the plate, then a first grinding block and a second grinding block are used for grinding the top edge and the bottom edge of a hole, and the perforating and grinding efficiency of the equipment is improved; the equipment integrates trepanning and polishing, and plates made of different materials can be machined.

The utility model provides an auxiliary positioning tool convenient for tapping dumbbell pin fixture blocks, which comprises a positioning seat, and a transverse positioning stop block, a lateral positioning stop block, a pressing component and a positioning plate which are arranged at the upper end of the positioning seat, and the pressing component is arranged on one side of the lateral positioning stop block in an opposite manner; a clamping channel for clamping the dumbbell pin clamping block is formed between the lateral positioning stop block and the transverse positioning stop block, the transverse positioning stop block is adjacent to the lateral positioning stop block and right faces one end of the clamping channel so that the dumbbell pin clamping block placed in the clamping channel can be transversely stopped and limited, and the dumbbell pin clamping block can be clamped by the lateral positioning stop block through the telescopic movement of the pressing assembly in the direction of the lateral positioning stop block. The dumbbell pin clamping block placed in the clamping channel can be clamped and fixed; and the positioning plate is rotatably arranged at the upper end of the lateral positioning stop block and can assist a trepanning drill bit of a drilling machine in trepanning and positioning the dumbbell pin clamping block which is clamped and fixed, the dumbbell pin clamping block can be rapidly clamped and fixed, the stability is good, operation is convenient, positioning and alignment are convenient, and the trepanning efficiency of the dumbbell pin clamping block is improved.

The utility model discloses a mushroom stick trepanning device which comprises a bottom plate, a control module is fixedly installed on one side of the top of the bottom plate, an inverted-U-shaped supporting seat is fixedly installed in the middle of the top of the bottom plate, a continuous feeding mechanism is installed on the top of the bottom plate, and a trepanning mechanism is installed on the supporting seat. The continuous feeding mechanism comprises supporting rollers, two fixing plates, mounting grooves, a feeding motor and a roller, the two fixing plates are fixedly mounted on the two sides of the top of the bottom plate, the opposite side faces of the upper ends of the two fixing plates are rotationally connected with the middles of the two end faces of the roller, the five mounting grooves are formed in the side face of the roller, and the feeding motor is arranged in the mounting grooves. According to the mushroom stick perforating device, the mushroom sticks can be perforated continuously, the mushroom sticks do not need to be manually placed in the perforating process, the time consumed for perforating the mushroom sticks can be effectively shortened, the efficiency of perforating the mushroom sticks can be improved, and the mushroom stick perforating device can be conveniently used at the position where edible mushrooms are planted in a large area.

The utility model belongs to the technical field of tapping tools, and particularly relates to a tapper with a chambering function, which comprises a support component provided with a material returning groove, and the front side of the upper part of the support component is provided with a fixed cutter part; the pull rod is arranged on the supporting assembly in a penetrating mode, and the upper end and the lower end of the pull rod both extend out of the material returning groove; the movable cutter piece is installed at the upper end of the pull rod, and a movable cutter edge part is arranged on the front side of the movable cutter piece in a protruding mode; the driving device is installed at the lower end of the supporting assembly, and the driving device is connected with the lower end of the pull rod; the pull rod is pulled through the driving device, so that the rear side wall of the movable cutter piece slides in a manner of being attached to the supporting assembly, and the cutting edge part of the movable cutter piece is matched with the fixed cutter part to generate shearing force. According to the punching device, materials between the movable cutter part and the supporting assembly are punched, meanwhile, the edge of an original hole can be pressed and cut, so that the original hole is expanded, and the punching device is easy and convenient to use.

The invention relates to the technical field of plasma trepanning equipment, in particular to plasma trepanning equipment for a top radar mounting position of an electric logistics vehicle, which comprises a first guide piece and two groups of first slide blocks, and the two groups of first slide blocks are respectively mounted on the first guide piece in a sliding manner; the device comprises a base, a rotating device, a driving device, a power device, a supporting device, two sets of second guiding pieces, two sets of second sliding blocks and two sets of plasma guns, the bottom ends of the two sets of first sliding blocks are connected with the middles of the top ends of the two sets of second guiding pieces through the rotating device, and the rotating device is used for driving the two sets of second guiding pieces to rotate. The two sets of second sliding blocks are slidably installed on the two sets of second guiding pieces through driving devices correspondingly, the driving devices are used for driving the two sets of second sliding blocks to slide, and the two sets of plasma guns are installed at the bottom ends of the two sets of second sliding blocks correspondingly; according to the punching device, convenience of punching holes of different sizes in two different positions is improved, the punching efficiency of round holes with large diameters is improved, use limitation is reduced, and use convenience is improved.

The utility model discloses an anti-deviation steel pipe surface trepanning device which comprises a working table and a trepanning device for trepanning the surface of a steel pipe, the top of the working table is provided with a moving table through a feeding mechanism, the top of the moving table is provided with a vertically upward positioning plate, the positioning plate is provided with a rotating sleeve through a rotating mechanism, and the rotating sleeve is provided with a rotating shaft. A plurality of arc-shaped clamping plates for positioning and clamping the inner wall of the steel pipe through an adjusting mechanism are arranged in the rotating sleeve; the utility model relates to the technical field of perforating devices. According to the anti-deviation steel pipe surface trepanning device, under the cooperation of the rotating mechanism and the feeding mechanism, a steel pipe can be driven to advance or rotate, so that the trepanning device can be used for trepanning the surface of the steel pipe at different positions and different angles, and workers do not need to continuously disassemble and adjust the angle; and the punching efficiency is improved to a certain extent, and the working intensity of workers is reduced.