188 results about "Deep hole drilling" patented technology

The invention provides a deep hole drilling numerical control correction method and system based on force sense feedback, and relates to the technical field of machining numerical control, and the method comprises the steps: monitoring the vibration amplitude and frequency spectrum features of the surface of a drill rod, comparing the vibration amplitude and frequency spectrum features with a cutting vibration feature library, and extracting a chip attachment signal strength index; fusing the index with a resultant force time domain signal to generate a data pair, and separating an additional load time domain sequence from a pure cutting force time domain sequence by using an interference stripping algorithm; if the additional load time domain sequence exceeds the threshold value, a cleaning signal is issued, and cuttings are discharged; comparing the pure cutting force time domain sequence with a corresponding reference, calculating a force deviation, and generating a compensation instruction according to a feed compensation strategy; the instruction is executed, machining continues, the hole diameter and guiding deviation are fed back, the correction effect is verified, and parameters are adjusted till the machining precision is met, so that chip accumulation can be accurately recognized, cleaning is triggered, the real cutting force and the additional interference load are effectively separated, the feeding parameters are dynamically compensated, and the deep hole machining precision and stability are remarkably improved.

The invention relates to the technical field of steam turbine rotor machining, and discloses an elastic supporting device of a steam turbine rotor deep hole drilling and boring machine, which comprises a towing bracket and a center frame, supporting assemblies are arranged on the circumference of the center frame, and each supporting assembly comprises a cylinder body and a piston rod, one end of the piston rod is fixed on a sliding piston in the cylinder body, and the other end is rotatably provided with a central roller; an air compressor is further arranged on the center frame and communicated with the air cavity, the air cavity is communicated with an air spraying pipe and a plurality of air conveying pipes, an air outlet of the air spraying pipe obliquely faces the rotor, and the air conveying pipes are connected with the telescopic rods in the corresponding piston rods after passing through the lubricating oil tank. A side notch is formed in the piston rod, an end cover inserting block is arranged at the position, corresponding to the side notch, of the cylinder body end cover, and an inner hole is formed in the position, corresponding to the side notch, of the center frame shell. The piston rod has the advantages that coolant water stains can be removed, lubricating oil is accurately conveyed, complex external pipelines are not needed, the stability of the piston rod is improved, and dynamic lubrication is enhanced.

The invention discloses a low-carbon drilling ultra-deep hole drilling machine on-line detection and deviation correction system while drilling, relates to the technical field of ultra-deep hole drilling, and aims to solve the technical problems that in the ultra-deep hole drilling process, carbon emission is high, hole sites are prone to deviation, and drilling efficiency and engineering quality are affected. Comprising a sensor group, a data acquisition cable, an integrated data processor and a GPS. The host platform comprises an inclinometry module, a geological forecast module, a comprehensive detection module, a well logging module, a drill hole correction module, a detection and correction module, an intelligent decision module, a drill bit monitoring module and an auxiliary module; an ultra-deep hole drilling machine comprises a rack system, an auxiliary driving system, a working rotation device, a movable type follow-up sliding platform and a drilling machine control system. According to the method, while-drilling online detection and instant deviation correction in a complex geological environment are realized, the problems that track deviation monitoring is lagged and freeze thawing dynamic interference cannot be handled are solved, and the drilling accuracy is remarkably improved.

The chip removal structure for the deep hole drilling and boring machine comprises a drilling and boring machine body and a driving assembly arranged on the drilling and boring machine body, a drill rod is arranged on the driving assembly, a drill bit is fixedly connected to the drill rod, and a workpiece is placed on the drilling and boring machine body; a chip removal assembly is arranged on the drilling and boring machine body, the chip removal assembly is used for discharging metal chips generated during drilling of the drill bit, the chip removal assembly comprises a mounting table, and an annular gap used for discharging cutting fluid to a cutting area is formed between the drill rod and the mounting table. By arranging the chip removal assembly, when a workpiece is drilled, external cutting fluid can enter a cutting area through an annular gap and an arc opening in the drill bit, and while the cutting area is lubricated and cooled, metal chips generated in the cutting area can be taken away and flushed into a discharging groove in the drill rod to be discharged; the whole device enables metal scraps to be discharged from the interior of the drill rod, and therefore the situation that the metal scraps are discharged through a gap between the drill rod and a drill hole to scratch the drill hole is avoided.

The utility model provides a deep perforating device for roadbed settlement reinforcement, which relates to the technical field of building construction and comprises a triangular bottom plate. Three groups of balance plates are annularly arranged on the triangular bottom plate, a supporting vertical plate is vertically arranged on the upper end face of the triangular bottom plate, a triangular top plate is fixedly connected to the top of the supporting vertical plate, and two guide columns are fixedly connected between the triangular top plate and the triangular bottom plate; by arranging the drilling and smoothing mechanism, after drilling operation is completed, a rotating rod slowly stretches out towards the earth surface direction, meanwhile, reverse accelerated rotating motion is conducted, and by means of inertia of an inertia balance weight piece, a traction rod forwards pushes a balance weight block to be separated towards the outer side; at the moment, the smoothing arc plate makes contact with the inner wall of the drill hole, the balancing weight exerts pressure, and the smoothing arc plate is tightly attached to the inner wall of the drill hole to do high-speed rotating motion, so that the inner wall is smoothed, the concave-convex degree of the inner wall is effectively reduced, and favorable conditions are created for follow-up steel bar implanting work; the problem that after an existing foundation punching device completes punching operation, the hole wall is obviously uneven is solved.

The utility model relates to the technical field of machining, in particular to a high-precision rotatable auxiliary supporting device which comprises a rotating center frame body, a rotating body arranged on one side of the rotating center frame body, four adjusting cavities arranged on the rotating body and clamping contacts arranged in the adjusting cavities in a sliding fit mode. The clamping contact comprises a flange cover arranged on the outer wall of the rotating body, a lead screw rotationally connected with the flange cover through a bearing, a nut and a threaded sleeve which are in threaded fit with the lead screw, a sliding sleeve connected with one end of the threaded sleeve, an ejector head arranged at one end of the sliding sleeve and located at one end of the lead screw, and a limiting open groove formed in the outer wall of the sliding sleeve. The locking mechanism is in threaded fit with one side of the rotating body and is in sliding fit with the limiting open slot; according to the device, the swing of the workpiece during supporting is reduced, the machining precision and the qualified rate are improved, the vibration problem in the high-precision machining process of the deep hole drilling and boring machine is solved, the machining precision of the whole machine is guaranteed, the industry development is promoted, and the machining efficiency and the product quality are improved.

The invention discloses a modular high-frequency vibration deep hole drilling device, which relates to the technical field of cutting numerical control blades, and comprises a driving assembly, a sleeve and a split type tool bit assembly which are connected in sequence, the split type tool bit assembly comprises a hard alloy base body and a composite cutting part with the surface coated with a diamond coating, a spiral chip groove is formed in the surface of the composite cutting part, one end of the base body and the composite cutting part are of an integrally-formed structure, a piezoelectric ceramic vibrator is embedded in the other end of the base body, and the piezoelectric ceramic vibrator is connected with the hard alloy base body. The base body is of a detachable two-section type and is formed by nesting through a thread locking mechanism. The tool bit and the base body can be conveniently and rapidly disassembled and assembled.

1. The name of this design product: Deep hole drilling rack (round wood base). 2. Purpose of this design product: This design product is a deep hole drilling rack for fixing wood. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to the technical field of deep hole machining, in particular to a deep hole drilling tool with an inner cooling channel, which comprises a mounting rod, a drill bit, a mounting sleeve, an adjusting assembly and a positioning assembly. During boring operation, the mounting rod is fixed on an original axis through the positioning assembly by taking a completed drill hole as a positioning reference, so that the mounting rod can provide axial guidance and radial support for the mounting sleeve. Therefore, the mounting sleeve is always kept highly coaxial with the drilling axis in the rotating process, the axis deviation problem caused by tool changing or re-clamping in the traditional process is effectively avoided, and the consistency of the drilling center and the boring center is guaranteed.

The utility model discloses a grinding clamp for a tiny cutter of a deep hole drill. Comprising a base, a telescopic rod arranged on the upper side of the base, an outer plate arranged on the surface of the front side of the telescopic rod, a dismounting and mounting assembly arranged on the front side of the outer plate, a connecting plate arranged on the outer wall of the front side of the dismounting and mounting assembly, a transverse frame installed on the surface of the front side of the connecting plate and a clamping assembly arranged on the lower side of the transverse frame, and the dismounting and mounting assembly comprises an inserting groove formed in the surface of the front side of the outer plate; the clamping assembly comprises a center groove formed in the center of the transverse frame, a first bevel gear is installed on the inner wall of the front end of the center groove in a matched mode, and a second bevel gear is installed on the inner wall of the front end of the center groove in a matched mode. And the clamp can be conveniently and independently detached for maintenance, and the tool can be conveniently and efficiently clamped.

The present application relates to a kind of high-carbon chromium bearing steel wire rod containing sulfur and its manufacturing method, belong to wire rod steel field.The chemical composition of wire rod is designed as C:0.95~1.05%, Si:0.15~0.40%, Mn:0.25~0.45%, P:≤0.015%, S:0.020~0.055%, Cr:1.35~1.65%, Al:0.030~0.060%, Cu≤0.10%, Mo≤0.05%, Ni≤0.05%, As+Sn+Sb≤0.015%, O≤0.0006%, Ti≤0.0015%, Ca≤0.001%, the balance is Fe and inevitable impurity element.The production process is: converter initial smelting-LF refining-vacuum degassing-continuous casting-hot delivery-heated casting blank+ breakdown rolling-intermediate billet surface treatment-intermediate billet heating+wire rod rolling-controlling cooling.The present application develops a kind of wire rod easy to turn or deep hole drilling processing, and the production method of the wire rod can save production cost greatly and improve production efficiency.

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

The present invention relates to the technical field of mining of metal and non-metallic ores, and specifically to a method of mining with an empty field followed by backfilling in a downward fan-shaped deep hole drilling stage suitable for mining steeply inclined and inclined ore bodies. The mining method of the present invention is suitable for mining inclined ores with a horizontal thickness of more than 20m, a long strike, good ore fluidity, and an ore footplate movement angle of 30 to 55 degrees. This method arranges one section and two middle sections in the ore body, and arranges a bottom structure for ore recovery in the bottom section. Compared with traditional mining methods, one or two fewer drilling sections are arranged, which reduces a large amount of mining and cutting engineering. Intermediate pillars are left between the mine room and the ore block as supporting pillars to ensure mining safety. A low ash-sand ratio or full tailings filling is used to reduce filling costs. The filling body is not exposed during mining of adjacent mine rooms, which reduces depletion, while taking into account efficiency, safety, cost, depletion and loss.

The invention discloses a multi-shaft deep hole drilling machine capable of being rapidly cooled. A multi-shaft deep hole drilling machine capable of being rapidly cooled comprises a machine tool, a Y shaft is arranged on the machine tool, an X-shaft seat is installed on the machine tool, a tool bit is connected to the X-shaft seat, and a workpiece fixing table is arranged under the tool bit. A recovery base is arranged in the workpiece fixing table, an adjusting sliding table is arranged above the recovery base, a feeding drive is arranged below the adjusting sliding table, and a workpiece clamping base is installed on the adjusting sliding table. The position of the clamping piece seat is adjusted by matching the feeding drive with the adjusting sliding table, so that a workpiece on the clamping piece seat is aligned with a tool bit to be subjected to deep hole machining, chippings generated during feeding and retracting of the machining tool fall into the T-shaped groove, and the chippings are discharged from the receiving hopper box and guided by the lantern ring under the suction of the lower chipping suction device, so that the chippings are discharged into the T-shaped groove. And therefore, the situation that the chippings are accumulated in the T-shaped groove, displace and are difficult to clean is effectively avoided.

The present invention provides a numerical control device that can promote chip discharge appropriately and reduce machining time for hole drilling. The numerical control device comprises: a deep hole machining execution unit that performs deep hole drilling by repeating a cut operation and a return operation, the cut operation being an operation for cutting a workpiece while rotating a cutting tool and the return operation being an operation for retracting the cutting tool while rotating the cutting tool; and a chip discharge time calculation unit that calculates a chip discharge time according to the position of the cutting tool after each cut in the cut operation, wherein the deep hole machining execution unit performs the return operation during the chip discharge time.

The application discloses a special center frame device for a deep hole drilling machine for small hole processing and relates to the technical field of machining equipment.The application comprises a base, the base is composed of a bottom plate and two groups of C-shaped clamping blocks, the two groups of C-shaped clamping blocks are fixedly installed at the two ends of the bottom of the bottom plate through bolts, a clamping threaded hole is formed in the top of the C-shaped clamping block, the C-shaped clamping block can be fixedly installed outside the machine tool guide rail through the bolt screwed into the clamping threaded hole, and a support assembly is fixedly installed on the top of the bottom plate through bolts.The C-shaped clamping block can be installed at any position of the machine tool guide rail, the high straightness and good parallelism of the machine tool guide rail can be utilized, the support assembly can be quickly and high-precisely installed, the machining of slender shaft workpieces with different lengths can be implemented, the C-shaped clamping block can be quickly removed when not needed, the C-shaped clamping block is convenient to use, the C-shaped clamping block structure can be stably clamped on machine tool guide rails with different specifications, and the application range is wide.

The utility model relates to deep hole drilling equipment based on a lathe, which relates to the field of deep hole drilling and comprises the lathe and a deep hole drilling mechanism, the lathe is provided with a lathe frame, a three-jaw chuck and a feed frame, the three-jaw chuck is rotatably connected with the lathe frame, and the feed frame is slidably connected with the lathe frame. The deep hole drilling mechanism comprises two deep hole drill bits, a gas pulse assembly and a liquid pulse assembly, one deep hole drill bit is detachably connected with the feeding frame, gas-liquid through holes are formed in the deep hole drill bits, and the gas-liquid through holes of the two deep hole drill bits are communicated with the gas pulse assembly and the liquid pulse assembly respectively. The device has the beneficial effects that the idle lathe is transformed and upgraded, so that the production pressure of deep hole machining of parts is relieved, and on-time delivery of deep hole drilling products of part machining lines during peak seasons is ensured. The method is especially suitable for batch processing of non-ferrous metal and other materials and small-batch production of medium-carbon alloy steel.

The invention relates to a high-efficiency machining method for a stepped inner hole. The high-efficiency machining method comprises the following specific steps that firstly, the end faces of the two ends are flattened; (2) trepanning is conducted, specifically, a deep hole drilling and boring machine is installed, a trepanning cutter body with the diameter of 190 mm is used for trepanning a hole with the diameter of 190 mm from the right end of the workpiece, the length of the trepanning hole ranges from 45750 mm to 10 mm, and the diameter of a material core obtained after trepanning is 105 mm; the phi190 trepanning cutter body is withdrawn, and four inclined wood wedges are evenly distributed to stably support the material core; (3) drilling is conducted, specifically, the workpiece is turned around, and a hole with the diameter of 110 mm is drilled in a deep hole drilling and boring machine from the left end; (4) material core taking is conducted, specifically, after the deep hole drill is withdrawn, the material core automatically falls off, and the material core is taken out after the four inclined wood wedges are removed; the workpiece is turned around, after alignment is conducted with the outer circle of the workpiece as the standard, a hole with the diameter being 200 mm is bored from the right end on a deep hole drilling and boring machine, and an R25 arc is bored. According to the machining mode, tools and tools do not need to be frequently adjusted and replaced, the machining efficiency is improved, and material losses can be reduced.

The utility model relates to a double-shoulder self-sealing drilling and boring rod structure for a deep hole drill, which comprises a hollow rod body, a double-end double-shoulder external thread and a double-end double-shoulder internal thread, and the double-end double-shoulder external thread and the double-end double-shoulder internal thread are processed at two ends of the hollow rod body; the thread form is a rectangular square thread, the inner and outer thread ends adopt double shoulders, and an inner and outer thread small end sealing angle and an inner and outer thread large end sealing angle with 13-angle sealing surfaces are machined at the inner and outer thread small end and the inner and outer thread large end; the double-end double-shoulder external thread of one drilling and boring rod is screwed into the double-end double-shoulder internal thread of the other drilling and boring rod, and the whole drilling and boring rod is formed by end-to-end connection after tightening and screwing; the 13-degree sealing surfaces of the large end and the small end of the thread are attached to form an angle self-sealing surface; the rectangular threads of the drilling and boring rod transmit torque, the double-shoulder structure of the threads positions and enhances the strength of the threaded connector, the structure is simple, large torque can be transmitted, two shoulder faces can be sealed at the same time after screwing, and the problem of leakage of cooling liquid is solved.

The utility model discloses a multifunctional fixture for deep hole drilling, which comprises a base, a plurality of mounting seats are fixedly mounted at the bottom of the base, two clamping blocks are slidably mounted at the top of the base, and a bidirectional driving mechanism for driving the two clamping blocks to move reversely at the same time is mounted at the bottom of the base. The top of each clamping block is fixedly connected with a guide plate through a plurality of inner threaded pipes, long-rod bolts are installed at the top ends of the inner threaded pipes in a matched mode, the outer walls of the long-rod bolts are movably sleeved with pressing blocks, guide grooves are formed in the upper portions of the guide plates, and a plurality of guide rods are slidably arranged on the guide plates in a penetrating mode. Through the arrangement of the upper driving mechanism, the lower driving mechanism and the two clamping blocks, the bottom end of a workpiece can be fixedly clamped, the workpiece can be tightly pressed on the base through the pressing block through the cooperation of the inner threaded pipe and the long-rod bolt so as to ensure the fixing reliability of the workpiece, and through the arrangement of the clamping base, the roller and the like, the drill bit can be guided, and the machining precision is improved. The stability of the drill bit in the drilling process is improved.

This utility model relates to the technical field of coolant supply devices, and discloses a coolant supply device for deep hole drilling of aircraft titanium alloy components. It includes a mounting housing, with a mounting base fixed to the bottom of the housing and a connecting base mounted on the top. The device is equipped with a reinforcement mechanism, which significantly enhances the mechanical strength of the connection, preventing deformation, loosening, or sealing failure of the coolant supply pipe and pump under accidental pulling or impact. This effectively suppresses fretting wear and stress concentration at the connection points, reduces the risk of metal fatigue, extends the service life of the pipeline, and helps ensure normal coolant supply. By incorporating a stabilizing mechanism, after the supply pump and connecting base are fixedly connected, the fixing pad and connecting base can be easily secured, reinforcing the connection between the supply pump and connecting base and ensuring stable assembly of the supply pump.

The utility model discloses an auxiliary device for deep hole drilling, and belongs to the technical field of deep hole drilling. Comprising a drill rod and a clamping seat assembled and fixed on the drill rod, a through hole is formed in the middle of the clamping seat in the length direction and serves as a drill rod fixing hole, and a clamping seat fixing boss is formed on one side of the clamping seat in the length direction, and is characterized in that a tensioning groove communicated with the drill rod fixing hole is formed in the other side of the clamping seat in the length direction; the drill rod fixing holes clamp the drill rod in a surrounding mode and are in fastening connection at the position of the tensioning groove, and a set of supporting pieces are evenly distributed on the outer side wall of the drill rod in the length direction. The clamp has the advantages that a gap between the clamp seat and the drill rod can be eliminated, so that the stress of the drill rod is more uniform, and the machining precision of a deep hole is improved; the drill rod is supported on the inner hole wall through the supporting piece in the drilling process, so that the drill rod can be effectively prevented from being bent, the service life is prolonged, and the shock resistance, the stability and the machining precision of deep hole machining are further improved.

The present application relates to a kind of high concentricity oil distribution shaft finishing method for ship, the design of special cover size at both ends, ensure the accuracy of center hole after installation;Fine turning process, cooperate with advanced HSF1 type ultrasonic thickness gauge monitoring workpiece wall thickness value ensure the workpiece deep hole and outer diameter 0.05mm concentricity. Formulate "temperature compensation principle and method of precision parts size measurement", temperature compensation is used in precision machining to minimize measurement error. Deep hole drilling and boring machine has been unable to complete the oil distribution shaft inner hole ∅250H8, ∅230H8 roughness Ra3.2 step deep hole processing, reform deep hole boring equipment increases inner hole honing head to solve the problem, using digital electronic percentage table measuring instrument group solves the problem of detection. Use modular special tool combined with tungsten steel shockproof tool bar to complete the processing of reverse R angle inside waist type groove, significantly improve efficiency. Use CAM software to select tool parameters analysis, optimization, calculation and generation program, develop reverse thinking programming, ensure that tool path is clear, reliable, good stability.

This application provides a guiding and stabilizing device for deep hole drilling of shaft parts, relating to the field of shaft part machining technology. It includes a base, a fixing mechanism fixedly mounted on the top of the base, a shaft part mounted on the fixing mechanism, and supporting guide rails fixedly mounted on both sides of the rear of the top of the base. A top plate is fixedly mounted between the top ends of the two supporting guide rails. After the shaft part is clamped by the fixing mechanism, a hydraulic telescopic rod drives the motor frame to feed vertically along the stabilizing component. The limiting guide component moves downwards synchronously, and a servo motor drives the transmission screw to make the guide arc plate first hug the outer circle of the workpiece to form a rolling clamp. During drilling, the limiting guide component always follows and provides real-time lateral support, effectively offsetting the cutting impact, suppressing drill rod deflection, and eliminating the need to overcome the increasing spring reaction force, significantly improving the coaxiality and stability of deep hole machining.

The utility model discloses a reinforcing tool for a deep hole drilling process, which comprises a drill bushing seat and a radial positioning bracket used for supporting a long shaft part of a crankshaft, a drill bushing is arranged in the drill bushing seat, the radial positioning bracket is arranged in front of the drill bushing seat, a clamping plate is arranged between the drill bushing seat and the radial positioning bracket, and the drill bushing seat is fixedly connected with the radial positioning bracket. The clamping plate is provided with a rotation limiting clamping groove used for placing a long shaft eccentric part of the crankshaft from top to bottom in a matched mode; the pressing block is pressed on the long shaft part, and the air cylinder drives the pressing block to move up and down. The reinforcing tool disclosed by the utility model is beneficial to improving the yield and the production efficiency.

The invention discloses a deep hole drilling tool clamp for electro-hydraulic valve shell type parts, relates to the technical field of machine manufacturing, and solves the problems that in the prior art, the number of single-time deep hole drilling clamping tools is small, the number of circular clamping times is large, efficiency is low, and the coaxiality is prone to large deviation. The device comprises a rack, a middle positioning tool used for separating a plurality of workpieces is arranged on the rack, a vertical positioning tool is arranged on the middle positioning tool, a left clamping tool and a right clamping tool which are matched with the middle positioning tool are arranged on the rack, and a plugging tool used for plugging deep drill holes of the workpieces is further arranged on the rack. The middle positioning tool on the rack can meet the requirement for simultaneous construction of two workpieces. The left clamping tool, the right clamping tool and the vertical positioning tool guarantee the stability of a workpiece in the drilling process, the situation that the drilling coaxiality and damage to a cutter are affected by cutting vibration is avoided, the blocking tool and the cutter of deep hole drilling equipment are arranged in a coaxial mode, and the problem that a high-pressure gun drill sprays oil when a through hole is drilled is avoided.

The utility model relates to underground mine engineering machinery field discloses an equipment for medium -deep hole drilling machine rock drilling, including rotary disc, the inner wall rotation of rotary disc is connected with drive frame, the outer wall of rotary disc is installed with support frame, the inner wall sliding connection of drive frame has mounting seat, the outer wall fixed connection of mounting seat has driving piece, the lower surface of drive frame is installed with drill rod replacement mechanism, and drill rod replacement mechanism includes drill rod placement subassembly, and drill rod placement subassembly includes installation shell. In the utility model, through setting up multiple telescopic links, multiple different drill rods can be pre-stored, the accurate position selection of rotating rod is utilized, the quick switching demand of drill rod under complex working conditions is satisfied, especially suitable for the continuous deep hole operation of lengthened drill rod, and the whole automatic operation of drill rod winding and unwinding assembly is matched, workers do not need to enter the dangerous area below the drilling arm, completely avoid the risk of rock debris falling and mechanical collision, and the practicality of the device is improved.

The utility model belongs to the technical field of metal cutting machine tools, and particularly relates to a full-automatic hydraulic four-column inverted deep hole drilling machine which comprises a machine frame, an installation base is fixedly connected to the bottom of the machine frame, a fixing plate is fixedly installed on the left side of the top of the machine frame, and supporting columns are fixedly connected to the four corners of the bottom side of the fixing plate. The inverted type design is adopted, the drill bit is installed in an inverted mode, waste chips generated in the machining process can naturally fall down and are discharged through the chip removal mechanism, the chip removal efficiency is remarkably improved, abrasion of drilling chips to the drill bit is reduced, the service life of the drill bit is prolonged, and the machining efficiency is improved. The control cabinet is arranged on the right side of the top of the mounting base, the man-machine interaction interface is arranged on the front side of the control cabinet, machining parameters are set through a touch screen, the PLC is arranged in the control cabinet, and full-automatic control over the deep hole drilling machine is achieved through the PLC.

The application belongs to the technical field of machining equipment, and provides a small deep hole drilling machine, which comprises a machine body, a drill rod box, a frame ring assembly and a guide sleeve assembly. The drill rod box is slidably connected with the linear guide rail of the machine body through a drill rod box supporting plate. A plurality of frame ring assemblies for supporting and fixing workpieces are arranged on the side of the machine body where the drill rod box is located. A frame ring supporting plate is arranged between each frame ring assembly and the machine body. The guide sleeve assembly is fixed to the end of the workpiece close to the drill rod box. The drill rod is accurately positioned through the supporting plate and the drill rod box. The drill rod is stably guided and positioned during the long hole machining process through the drill rod support and the guide sleeve assembly, thereby improving the machining precision of the slender hole and the straightness of the long hole and avoiding the breakage of the drill bit. In addition, the chuck and the clamping jaw on the frame ring assembly are matched, the positional relationship between the workpiece and the drill rod is adjusted in real time according to the detection data of the measuring instrument, thereby quickly correcting the position of the workpiece, improving the machining workpiece qualification rate, and improving the machining speed and efficiency.

The utility model discloses an improved oil return device applied to a deep hole drilling machine tool, which relates to the technical field of machine tool related equipment and comprises a box body, and a first liquid accumulation tank, a second liquid accumulation tank and a third liquid accumulation tank which are communicated in sequence are arranged in the box body; a filtering device is arranged on the first liquid accumulation tank, the first liquid accumulation tank is used for receiving the filtered cutting liquid and carrying out primary precipitation, the second liquid accumulation tank is used for receiving the cutting liquid subjected to primary precipitation and carrying out secondary precipitation, the third liquid accumulation tank is used for receiving the cutting liquid subjected to secondary precipitation and outputting the cutting liquid to an external machine tool, and an oil cooling machine is further installed at the upper end of the box body; the oil cooler acts on the cutting fluid in the second liquid accumulation tank; a magnetic suction plate is arranged at the bottom end of the box body, and metal scraps in the cutting fluid are adsorbed by the magnetic suction plate through magnetism; the supporting frame is arranged at the lower end of the box body, the pulling-away mechanism is arranged between the supporting frame and the magnetic attraction plate, the magnetic attraction plate is arranged at the bottom of the box body, waste chips at the bottom in the box body are attracted, and the situation that the waste chips rise again due to fluctuation generated by flowing-in of the cutting fluid is avoided.