59 results about "Twist drill" patented technology

The invention relates to the technical field of twist drill machining, and discloses a clamping device for twist drill machining, which comprises a three-jaw chuck body, a mounting base is mounted at the bottom of the three-jaw chuck body, and a bolt is mounted on the outer surface of the three-jaw chuck body. According to the clamping device for twist drill machining, through the arranged stabilizing assembly, when the three-jaw chuck body is installed, a cylinder is placed into the installation groove, the clamping plate is guided by the inclined face to retract into the first cavity, meanwhile, the abutting rod is pushed, the clamping plate is clamped, and the clamping plate is released from the first cavity; at the moment, an abutting rod drives a circular ring and a cylinder to rotate forwards through contact with a movable hole, at the moment, an arc-shaped groove extrudes a circular rod, pushes a sliding block to move upwards and compresses a first spring, when a clamping plate is aligned with a limiting groove, the first spring rebounds, all parts are driven to reset, the clamping plate is clamped into the limiting groove, pre-fixing is completed, and positioning and deviation prevention are provided for subsequent bolt fastening.

The invention relates to the field of axle combination machining, in particular to a special machine tool for machining three screw holes in the end face of an axle. A clamp is arranged at the end of the machine table, a shell is horizontally and adjustably arranged at the upper end of the machine table, a coaxial reversing device is arranged in the middle of the shell, and two output ends of the coaxial reversing device are coaxially arranged, opposite in rotating direction and fixedly connected with a main disc and an auxiliary disc respectively; the main disc is in coaxial key connection with the base disc, three disc seats are arranged on the base disc along the circumference in an equal-angle array mode, each disc seat is fixedly connected with a driving device, and the output end of each driving device is fixedly connected with a twist drill; the auxiliary disc is coaxially and fixedly connected with a bearing disc, three rotating cylinders are arranged on the bearing disc in a rotating mode along the circumference in an equal-angle array mode, and each rotating cylinder is symmetrically provided with two driving devices which are fixedly connected with a boring cutter and a screw tap respectively. According to the machine tool, the three procedures of drilling, chambering and tapping are integrated through cooperation of all the parts, uninterrupted continuous machining is achieved, frequent transferring and repeated clamping are not needed, the defects that existing equipment is low in machining efficiency and insufficient in positioning precision are effectively overcome, the machining quality is guaranteed, and the large-scale production requirement of axles is met.

The utility model belongs to the field of twist drill production equipment, and particularly relates to an automatic twist drill material feeding device which comprises a feeding bin, a plurality of feeding mechanisms are arranged on the inner side of the feeding bin, and bars are placed on the feeding mechanisms. A conveying platform is fixedly installed on one side of the feeding bin, a conveying groove is formed in the top of the conveying platform, a conveying mechanism is arranged on the inner side of the conveying groove, a feeding air cylinder is fixedly installed on the inner wall of the bottom of the feeding bin, and a pushing air cylinder is fixedly installed on the top of the feeding bin. According to the automatic bar feeding device, bars can be clamped and matched with the ball screw, the bars can be stably and accurately conveyed to the designated position, deviation does not exist easily, the production precision is greatly improved, automatic feeding of the bars can be achieved through the arranged feeding mechanism, and therefore the production efficiency is improved.

The invention relates to the technical field of drill bits, in particular to an auger bit with a cutter handle lengthening structure, which comprises a drilling machine, a mounting head is rotatably connected to the drilling machine, a lengthening cutter handle is mounted on the mounting head, a fixing ring is sleeved on the drilling machine, fixing rods are fixedly connected to two sides of the fixing ring, and the cutter handle lengthening structure is mounted on the fixing rod. According to the device, a to-be-drilled area is pre-blown and cleaned through the air blowing piece, the multi-section telescopic rod and the spray head, the drilling centering precision of the twist drill is guaranteed, the blowing state of the spray head can be automatically switched along with drilling operation, chippings generated during drilling are laterally blown away, the drilling efficiency is improved, and the drilling efficiency is improved. And meanwhile, through linkage of a rack, a gear and other mechanisms, a large hole replaces a small hole to be communicated with the channel, self-adaptive adjustment of air outlet intensity increase during drilling deepening is achieved, the cutter burning and chip blocking faults caused by chip accumulation are effectively avoided, and the requirements for reinforced chip removal and cooling under the deep hole working condition are met.

The utility model discloses a uniform titanizing device for a hexagonal handle twist drill, which comprises a base, the top of the base is fixedly connected with a stabilizing plate, the outer side of the stabilizing plate is fixedly connected with a controller, the outer side of the stabilizing plate is provided with a titanizing mechanism, the titanizing mechanism comprises a motor, the output end of the motor is fixedly connected with a rotating shaft, and the rotating shaft is fixedly connected with the controller. The outer side of the rotating shaft is fixedly connected with a clamping plate, a workpiece body is installed in the clamping plate, the outer side of the stabilizing plate is fixedly connected with a top plate, the top of the top plate is fixedly connected with an electric telescopic rod, and the outer side of the electric telescopic rod is fixedly connected with a pushing rod. And a moving block drives a sliding rod to move in a moving groove through a pushing rod, so that the sliding rod drives a spraying plate to move back and forth above a workpiece body, the workpiece body rotates at the top of the base, and the effect of uniform titanizing is achieved.

The invention discloses a working face outburst risk prediction drilling precise implementation method, and belongs to the technical field of coal mine safety production. Comprising the following steps that 1, coal seam gas mechanical parameters are measured, drilling parameters are set, gas basic parameters, coal body hardness and soft layer distribution positions are obtained through geological exploration and field testing, and the drilling construction height, the azimuth angle, the dip angle and the drilling depth are set; 2, device debugging and drilling construction are conducted, specifically, the adjustable drilling device integrating a drilling tool and a twist drill rod is in place, parameters are adjusted through height adjustment, horizontal rotation, a pitching adjustment mechanism and an angle gauge, drilling is conducted at a constant speed, and a new drill rod is additionally installed till the designed depth is reached; 3, the drilling process is monitored and adjusted, resistance and stability are monitored through a sensor, the speed or the fixed state is adjusted, and the angle is rechecked for fine adjustment; and 4, drilling completion and ending verification are carried out. According to the method, the drilling precision and stability are improved, the labor intensity and risk are reduced, and the prediction reliability is improved.

The utility model discloses an anti-fracture high-speed steel straight-shank twist drill which comprises a drill handle and a spiral drill bit, the drill handle and the spiral drill bit are integrally arranged, the drill handle and the spiral drill bit are both made of high-speed steel materials, and a liquid drainage channel is formed in the center of the drill handle and the center of the spiral drill bit. A first liquid outlet and a second liquid outlet are formed in the end of the spiral drill bit, the first liquid outlet and the second liquid outlet are both communicated with the liquid discharging channel, and a reinforcing assembly used for reinforcing the twist drill is arranged on the outer side of the drill handle and the outer side of the spiral drill bit. According to the anti-fracture high-speed steel straight-shank twist drill, cooling liquid can be discharged from the chip removal groove, cuttings can be brought out through the cooling liquid, the chip removal efficiency is improved, meanwhile, a spiral groove is formed in the side edge of the spiral drill bit, a second liquid outlet is formed in the spiral groove and communicated with a liquid discharging channel, the discharged cooling liquid flows through the spiral groove, and the cutting efficiency is improved. And the first liquid outlet is matched, so that the cutting part of the drill bit can be effectively cooled, and the anti-fracture effect of the straight-shank twist drill is improved on the whole.

The utility model discloses an auger bit and a combined device with the auger bit, and belongs to the technical field of sampling devices. The twist bit comprises a rod part; one end of the end part is connected with the rod part, so that a circumferential annular containing space is formed, and the end part is used for preventing an ore sample from the rod part from falling back to a drill hole. The twist drill combination device comprises a drilling machine body and a twist drill bit, and the twist drill bit is installed on the drilling machine body through a drill rod and used for sampling of a tailing pond. When the gravity action and the adhesion force between the ore sample and the rod part are insufficient, the scheme can prevent the ore sample from falling back into the drill hole, so that the problem that the ore sample slips when the twist drill is used for drilling the ore sample in the prior art is solved, and meanwhile, the accuracy of a sampling result is ensured.

The utility model belongs to the technical field of reducer machining, and particularly relates to reducer shell machining equipment. Comprising a rack, an XY-axis motion platform is installed on the table top of the rack, a bench clamp is installed on the XY-axis motion platform, a drilling mechanism is installed on the table top of the rack, and the drilling mechanism comprises a Z-axis linear module, a fixing plate, a hollow rotating platform and a motor base. A workpiece is fixed through the bench clamp, feature information of the workpiece is extracted through the industrial camera and used for positioning the position and the angle of the workpiece, the feature information is fed back to the PLC, then the X-axis motion platform, the Y-axis motion platform and the drilling mechanism are controlled respectively to achieve accurate position control and motion execution, and double-hole machining is conducted through twist drills at the two ends of the drilling mechanism. And meanwhile, under the action of the hollow rotating platform, the drilling positions can be rapidly switched, the design greatly saves the feeding and discharging downtime, the working efficiency is remarkably improved, and the drilling machine is suitable for drilling operation of the flange face of the reducer shell of the same specification.

The present application relates to the field of mechanical device of different metal processing in specific combination, and specifically discloses a punching and bending combined processing numerical control machine tool of street code support, which comprises a workbench, a driving mechanism one is arranged on the workbench, a driving mechanism two is arranged on the driving mechanism one, a driving mechanism three is arranged on the driving mechanism two, a servo motor is arranged on the driving mechanism three, and a twist drill is arranged on the servo motor; a supporting plate is arranged on the workbench, and a bending mechanism one and a bending mechanism two are arranged on the supporting plate. The present application drives the bending concave die rotation by using the rotary motor four, drives the press bending punch rotation by using the rotary motor five, realizes the opposite combination of the second plane and the supporting plate, forms the punching clamping surface, then is flexibly shifted in the three-dimensional space by the driving mechanism one, the driving mechanism two and the driving mechanism three to carry out the drilling, can adapt to the processing requirement of different hole positions, and after resetting, can utilize the first plane and the V-shaped groove to cooperate with the press bending punch to carry out the bending, so that the process conversion time is significantly shortened.

The utility model belongs to the technical field of orthopedic drilling tools, and discloses a bone taking mouth gag with high structural strength, which comprises a centering drill, a twist drill head, a limit ring and a drill handle which are coaxially arranged, the centering drill is integrally arranged at a chisel edge of the twist drill head, the limit ring is integrally connected to the outer side of the bottom of the twist drill head, and the drill handle is connected with the drill handle. The root part of an auxiliary cutting edge of the twist drill head part is fixedly connected to the front end surface of the limiting ring; the end, close to the twist drill head, of the drill handle is connected to the rear end face of the limiting ring through a fillet. The strength of the drill bit part of the opener is improved, and the service life is prolonged.

The invention relates to the technical field of drilling, in particular to an auger bit with an adjustable mounting structure, which comprises a power transmission shaft, the end part of the power transmission shaft is fixedly connected with a mounting base, the inner wall of the mounting base is rotatably provided with a second rotating ring, and the second rotating ring is fixedly connected with a screwing ring seat; the outer wall of the screwing ring seat is rotationally sleeved with a front-end metal ring sleeve, the outer wall of the front-end metal ring sleeve is fixedly connected with a cooling liquid buffering frame, a second rotating ball slides along the circumference of the inclined face and can do up-down reciprocating motion, and at the moment, the second rotating ball drives a guide rod, a first rotating ball and a guide cover to do up-down reciprocating motion synchronously; the guide cover swings around the rotating rod in a reciprocating mode, reciprocating opening and closing are achieved, and at the moment, cooling liquid sprayed outwards from the fixing pipe is guided by the reciprocating opening and closing direction of the guide cover and sprayed to different height positions of the auger bit body for cooling.

The utility model provides a hard alloy multi-angle drill point twist drill for processing special Kevlar materials, which comprises a handle part and a blade part which are integrally formed, a drill point is arranged at the front end of the blade part, the drill point is provided with a center tip and an outer side tip, two bottom blades are symmetrically arranged on the drill point along the radial direction, each bottom blade is provided with two rear angle surfaces, and the rear angle surfaces are provided with two rear angle surfaces. The two sides of the connecting position of the bottom blades on the two sides are provided with symmetrical tooth end chip containing grooves, and the circumferential face of the blade part is provided with chip discharging grooves connected with the chip containing grooves. And through the distribution design of the center and the vertex angles on the two sides, the drilling centering effect of the drill bit is improved, it is guaranteed that after positioning, the hole position can be determined on the outer side, the hole precision is improved, the axial cutting resistance is reduced, cutting heat is reduced, and the cutter stability during drilling is improved.

The application discloses a twist drill with milling edges, which comprises a shank and a cutting part. The cutting part is provided with a plurality of long helical chip removal grooves extending to the shank along the central axis direction of the twist drill and a guide edge band. The front end of the long helical chip removal groove is provided with a main cutting edge and a transverse edge. The side of the long helical chip removal groove is provided with a taper milling area. The taper milling area comprises a plurality of blade petals. The blade petals are provided with a taper helical long edge, a taper helical short edge and a short helical chip removal groove. The short helical chip removal groove has the same rotation direction as the long helical chip removal groove. The taper helical long edge comprises N groups of micro milling edges connected in series along the helical direction of the taper helical long edge. The taper helical short edge comprises N groups of micro milling edges connected in series along the helical direction of the taper helical short edge. N is greater than or equal to 2. The micro milling edges are provided with a chip separation groove opposite to the rotation direction of the long helical chip removal groove. The application has the advantages of being applicable to composite material drilling, high drilling efficiency, high machining precision, good quality and the like.

The utility model relates to the technical field of drill bits, in particular to a sampling drill bit for water conservancy project survey, which comprises a twist drill, a fixing sleeve is fixedly connected to the bottom of the twist drill, an adjusting sleeve is slidably sleeved outside the fixing sleeve, a through hole is arranged in the fixing sleeve, a sliding hole is arranged outside the adjusting sleeve, and a through hole is arranged in the through hole. A limiting rod is fixedly connected to the outer portion of the fixing sleeve and located in the sliding hole, a driving adjusting assembly is further arranged at the top of the twist drill, and through the arrangement of the driving adjusting assembly, when the twist drill descends by a certain depth, the adjusting sleeve is driven to move downwards, the sliding hole corresponds to the through hole, and therefore the twist drill is driven to rotate. When the drill bit is used for drilling and sampling, underground water can enter the fixing sleeve through the through hole to be stored and complete sampling, then the adjusting rod is controlled to move upwards to enable the sliding hole and the through hole to be staggered, and therefore the drill bit is convenient and saves manpower when used for drilling and sampling.

A twist drill with long life and easy cutting, is provided with a vertical discharge chute on a major cutting edge. The cutting part of the twist drill comprises a major cutting edge, a side cutting edge, discharge chutes and a back chute ridge, the left side of the major cutting edge is provided with the side cutting edge, the discharge chutes comprise a vertical discharge chute and a horizontal discharge chute, the vertical discharge chute is arranged on the major cutting edge, the horizontal discharge chute is arranged on the side cutting edge, the horizontal discharge chute and the vertical discharge chute are interconnected, the fluting angle of the vertical discharge chute is perpendicular to the edge of the back chute ridge, and a horizontal discharge chute is added on the side of the major cutting edge, which is originally provided with a discharge chute at the drill tip.

The application relates to a double-blade bit with a chip removal structure, and relates to the technical field of metal cutting, which comprises a drill bit body, a reinforcing ring, a cutter head and two groups of blade strips, the cutter head is arranged at the other end of the drill bit body, the reinforcing ring is arranged on the surface of the drill bit body, the surface of the cutter head is provided with two groups of spiral grooves, and the surface of the cutter head is provided with two groups of blade strips, through the structure comprising the drill bit body, the reinforcing ring, the cutter head and the two groups of blade strips, the spiral grooves on the surface of the cutter head are matched with the two groups of blade strips, the guiding stability in the cutting process is improved through the double-blade strip design, the radial deviation of the drill bit is reduced, the hole axis is prevented from being inclined, meanwhile, the half-section type blade strip structure avoids the problem of weakened structural strength caused by the length of the complete double-blade strip being too long on the basis of ensuring stability, the spiral grooves can effectively optimize the chip removal space, reduce the accumulation of cutting chips, and improve the processing continuity and the hole wall quality.

The utility model discloses a negative-pressure coal body drilling cuttings extracting device which comprises a drill rod set, a connector, a drilling machine and a cuttings collecting device. The drill rod set comprises a drill bit and a hollow drill rod, and a planar spiral blade is wound outside the hollow drill rod; the connector is composed of a rectangular hollow body, a connecting center and a sealing bearing. The outer surface of the rectangular hollow body is rectangular, and the hollow part is cylindrical; a cylindrical hole is formed in one face of the rectangular hollow body, and a cylindrical brim extends out of the outer side of the hole and is connected with a chip collecting device. The connecting center is located in the hollow cylinder, the two ends of the connecting center are connected with the drill rod set and the drilling machine respectively, the middle of the connecting center is a cylindrical hollow body, and a plurality of cylindrical holes are formed in the surface. The connecting center is connected with the rectangular hollow body through a sealing bearing. The chip collecting device comprises a drilling chip recycling pipe, a filter, a chip collector and a centrifugal fan. According to the device, broken coal dust is collected through the suction effect of the centrifugal fan, and the problems that wet coal body scraps cannot be recycled through a twist drill rod and the coal dust is missed are solved.

A twist drill device for detecting the compaction of foundation soil includes a column connected to the drilling rig's transmission. The column is connected to the twist drill via a torque ring, and multiple blades are installed on the twist drill. The torque ring includes a ring body with an internal thread at the top and an external thread at the bottom. A torque sensor and a cavity are installed within the ring body. A Bluetooth module, a power supply, and a microprocessor are housed within the cavity. The torque sensor is connected to the microprocessor, which is connected to a remote smart terminal via the Bluetooth module. This invention directly installs a torque ring device between the drilling rig column and the twist drill. This device can measure the torque and pressure exerted by the column on the twist drill in real time and transmit the torque and pressure data to a smart terminal via Bluetooth technology. This invention solves the problem that core samples obtained using twist drills are in a completely disturbed state, making it impossible for the operator to determine the compaction of the foundation soil on-site.

According to the technical scheme, the limiting counter bore drill is characterized by comprising a drill body, a twist drill, a tool bit body and a locking structure. A limiting ring is fixed to the head of the drill body, a center channel and a tool bit body are arranged in the drill body, the tool bit body is matched with the twist drill through a mounting through groove, and the tool bit body and the twist drill are locked with the drill body through the same locking structure. The locking structure comprises a locking hole in the drill body, a set screw and a key groove or a notch in the side face of the tool bit body, and the set screw penetrates through the locking hole to press the twist drill, so that the tool bit body is tightly attached to the inner wall of the center channel, and locking is completed. Meanwhile, a measuring scale is arranged on the periphery of the extension part of the tool bit body, and an observation opening is formed in the periphery of the limiting ring, so that the depth is convenient to adjust. Counter bore parts with different diameters are arranged at the two ends of the tool bit body, and diversified machining requirements are met. According to the design, synchronous locking of the twist drill and the tool bit body is achieved through an independent locking structure, the adjusting operation process is simplified, the adjusting efficiency is improved, the twist drill is particularly suitable for the scene where the drilling depth is frequently switched, and the machining efficiency and accuracy are remarkably improved.

The invention discloses an anti-spilling compartment type twist drill automatic coal sampling device, which comprises a spiral conveying rod, a spiral drill rod, a spiral drill rod, a spiral drill rod and an anti-spilling compartment type spiral drill rod, the supporting disc is arranged in the outer barrel, and the other end of the spiral conveying rod is rotationally arranged on the supporting disc; the driving assembly is arranged on the supporting disc, and the driving assembly drives the spiral conveying rod to rotate in the forward direction or the reverse direction; the inner cylinder body is arranged on the supporting disc; the fixing assembly is movably arranged outside the inner cylinder body; the spring is arranged between the end part of the inner barrel body and the fixing assembly; the device can prevent spilling leakage and clamping stagnation, and meanwhile, the whole device can be conveniently cleaned after sampling is completed.

The utility model discloses a twist drill detection clamping tool which comprises a supporting table, a clamping mechanism is installed on the supporting table, and a plurality of auxiliary clamping assemblies are installed on the clamping mechanism. When the clamping mechanism clamps the twist drill to be detected, the auxiliary clamping assemblies synchronously clamp the twist drill. A vertical observation abutting column is slidably connected to the supporting table, sliding grooves are formed in the two ends of the supporting table, sliding blocks are detachably installed at the bottom of the vertical observation abutting column, and the inner walls of the sliding grooves are slidably connected with the sliding blocks. A to-be-detected twist drill is clamped through clamping assemblies in the clamping mechanism, at the moment, the twist drill is also clamped by the clamping assemblies, at the moment, a vertical observation abutting column which is vertically arranged gets close to the twist drill, and when the vertical observation abutting column is just in contact with all circular rings, the diameters of the twist drills at the clamping position of a clamping plate are equal at the moment; therefore, the diameters of multiple twist drill positions can be measured at the same time, and the detection efficiency is high.

The utility model discloses a double margin twist drill which comprises a cutting part and a handle part, the cutting part comprises a drill tip and at least two blades, a spiral chip groove is formed between every two adjacent blades, the drill tip is provided with a main cutting edge and a back edge, and each blade is provided with a first margin, a second margin and an arc margin. The first edge strip and the second edge strip spirally extend around the central axis of the cutting part, the first edge strip and the spiral chip groove intersect to form an auxiliary cutting edge, the auxiliary cutting edge is connected with the main cutting edge, the second edge strip is arranged on the rear side of the first edge strip in the cutting direction, and the arc-shaped edge strip is connected with the back edge and is connected with the first edge strip and the second edge strip. An inner concave space is formed among the first edge belt, the second edge belt, the arc-shaped edge belt and the handle part, and at least one oil guide groove formed in the axial direction of the cutting part is formed in the arc-shaped edge belt. The double-edged twist drill has the advantages of preventing cuttings from damaging the surface of a hole wall, improving the hole machining quality and the like.

This application discloses a method for treating floor heave in coal mine roadways, which can effectively solve the problem. The method includes: drilling a hole downwards into the mine roadway floor using a drilling rig with a twist drill rod; installing a borehole pipe with a type 7 guide pipe at the borehole opening, extending a predetermined distance into the borehole; replacing the twist drill rod with a stirring drill rod, the drill bit at the end of the stirring drill rod being a crushing drill bit; connecting a slag discharge slurry pump and a high-pressure gas pipeline through a three-way valve, introducing slag discharge slurry into the borehole through the outlet of the three-way valve, and connecting the type 7 guide pipe to a sedimentation tank; turning on the slag discharge slurry pump, adjusting the gas-liquid ratio through the three-way valve to form bubbles in the borehole; starting the drilling rig for deep drilling, causing the drill bit to crush the surrounding rock at the bottom, discharging the debris into the annular space between the stirring drill rod and the surrounding rock wall of the borehole, and carrying the rock and coal debris to the borehole pipe through the slag discharge slurry, from where it flows into the sedimentation tank through the type 7 guide pipe. This invention is applicable to the treatment of floor heave in coal mine roadways.

The utility model relates to the technical field of tappers, and discloses a water cooling wall tapper convenient to operate, which comprises a machine body, a motor cavity is arranged in the machine body, the inner bottom wall of the motor cavity is fixedly connected with a brushless direct current motor, and the output end of the brushless direct current motor is fixedly connected with a stable connecting cylinder. According to the convenient-to-operate tapper for the water cooling wall, through cooperative arrangement of the machine body, the motor cavity, the brushless direct-current motor, the stable connecting cylinder, the fixing bolts, the twist drill and the tapping tool, when the tapper is used, a worker can be in threaded connection with the stable connecting cylinder, the twist drill and the stable connecting cylinder in sequence through the fixing bolts, so that the twist drill and the tapping tool are locked and fixed to the stable connecting cylinder; and when the tapper needs to be replaced, the worker reversely operates to take out the twist drill and the tapping tool to overhaul or replace the tapper, so that the worker can overhaul or replace the tapper for the water-cooled wall conveniently, and meanwhile, the worker can operate the tapper for the water-cooled wall conveniently.

The utility model relates to grounding rebound twist drill sampling equipment which comprises a lifting frame, a trolley and twist drill limiting rollers, a motor drives the trolley to move back and forth on a track of a cart, a first roller set and a second chain wheel set are installed on the upper portion and the lower portion of the lifting frame respectively, and twist drill lifting sliding rails are vertically installed on the two sides of the inner side of the lifting frame. A chain upper connecting end and a chain lower connecting end are fixedly installed on the two sides of a sampling twist drill and a division cylinder of the twist drill assembly respectively, and a roller is installed at the end of the chain upper connecting end through a rotating shaft and moves back and forth in a twist drill lifting sliding rail. According to the spiral drill assembly, the material returning groove is additionally arranged, dust raising can be effectively prevented, the tension sensor is arranged at the lower connecting end of the chain of the spiral drill assembly, the tension change is sensed in time, the spiral drill assembly is prevented from being damaged, and the service life of the spiral drill assembly is prolonged. And when the tension is suddenly increased to a set value, the machine is stopped in time, so that the sampling head drill tip can be effectively prevented from penetrating through the vehicle bottom.

The utility model belongs to the technical field of hexagonal handle ironwork cobalt drills, and discloses a hexagonal handle ironwork cobalt drill reinforcing structure which comprises a hexagonal handle ironwork cobalt drill body and a handle portion arranged at one end of the hexagonal handle ironwork cobalt drill body, a reinforcing assembly is installed on the surface of the hexagonal handle ironwork cobalt drill body and comprises a reinforcing groove, and the reinforcing groove is formed in the handle portion of the hexagonal handle ironwork cobalt drill body. A reinforcing groove is formed in the hexagonal handle iron cobalt drill body, a reinforcing core rod is inserted into the reinforcing groove, a spherical arc block is installed on the surface of the reinforcing core rod and clamped in a special-shaped groove formed in the surface of the handle part, and a spherical rod is slidably connected into a through hole formed in the surface of the handle part. The hexagonal-handle twist drill has the advantages that the strength of the hexagonal-handle twist drill can be improved, and the situation that a drill bit is prone to breakage in the using process of the hexagonal-handle twist drill is avoided.

The utility model relates to the field of packing machines, in particular to a packing machine iron wire binding mechanism and a reamer thereof, which comprise a column body, a twisting plate arranged at the bottom of the column body, a spiral piece arranged on the side face of the column body, a spiral blade arranged on the upper surface of the twisting plate, and a spiral blade arranged on the lower end face of the spiral piece. The cross section area of the cross section is gradually increased from the bottom of the column body to the top of the column body. According to the reamer for the iron wire bundling mechanism of the packing machine, the comma-shaped flat plate structure is transformed into the columnar structure body with the spiral blades, so that an iron wire moves upwards and outwards, the hooked iron wire can smoothly enter a shearing opening, the bundled iron wire can be smoothly sheared off, and the service life of the iron wire bundling mechanism is prolonged. The technical problem that in the prior art, iron wires cannot enter a shearing opening and cannot be bundled is solved, and the production efficiency is effectively improved.

The utility model belongs to the technical field of high-strength auger bits, and particularly relates to a high-strength auger bit, which comprises an auger bit, a drill handle and a slot, the drill handle is positioned above the auger bit, the slot is arranged at the bottom of the drill handle, a rectangular rod is mounted in the slot in an inserted manner, and the bottom of the rectangular rod is tightly welded with the top of the auger bit. A second installation groove is formed in the top of the drill handle, a sleeve is installed in the second installation groove in an inserted mode, a second limiting rod fixed to the inner wall of the second installation groove is installed in the sleeve in an inserted mode, a lengthening handle is fixedly installed at the top of the second limiting rod, and a first installation groove is formed in the lengthening handle. The drill bit can drill to a deeper position, use is more convenient, the drill bit can be detached from the drill handle, the drill handle does not need to be detached from the electric drill, and the mode of replacing the drill bit is more convenient and rapid.

1. Name of the product in this design: Twisted Diamond Storage Box. 2. Purpose of this design: To store twist drill bits. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: the front view.