52results about How to "Quick positioning clamping" patented technology

The utility model discloses a clamping device for manufacturing metal doors and windows, which comprises a machining table, independent clamping units are arranged on the periphery of the upper end of the machining table, each clamping unit comprises a first sliding table which is installed along the edge line of the machining table in a sliding mode, and a second sliding table is installed at the upper end of each first sliding table in the length direction in a sliding mode. The first sliding table and the second sliding table move in the xy direction in a matched mode, meanwhile, the first sliding table and the second sliding table are driven by driving devices to move in a reciprocating mode, a clamp is further arranged on the upper portion of the second sliding table, and a plurality of distance measuring assemblies corresponding to the clamping units respectively are arranged on the edge of the machining table. A rotary supporting assembly capable of driving the machining table to rotate horizontally is further arranged at the bottom of the machining table, during welding, a welding machine located on the lower portion can stretch in through a window and weld diagonal lines on the back face, a workpiece does not need to be disassembled and then located and installed, the defect that welding is hindered by a clamping piece is overcome, and the welding machining efficiency of doors and windows is effectively improved.

According to the auxiliary positioning clamp for milling the exhaust manifold, an inclined positioning supporting device is arranged on the right side of the upper end face of a bottom plate, and when the inclined positioning supporting device is connected with a flange at the lower end of a middle pipe of the exhaust manifold in a matched mode, an upper end pipe of the exhaust manifold is in a horizontal state, and a pipe opening in the elbow end of the upper end of the exhaust manifold is parallel to the corresponding side wall face of the bottom plate; the left side of the upper end face of the bottom plate is provided with a positioning and supporting assembly used for supporting the elbow end of the upper end of the exhaust manifold and determining the center position of a pipe opening, and the positioning and supporting assembly is matched with a pressing assembly arranged on the upper end face of the bottom plate to fixedly support the elbow end of the upper end of the exhaust manifold on the bottom plate. Initial positioning conditions are provided for the center of a pipe opening of the upper end pipe of the exhaust manifold, reliable supporting and fixing of the exhaust manifold on the bottom plate are achieved, the defect that a traditional clamp is high in requirement for machining equipment is overcome, machining cost is reduced, the exhaust manifold can be accurately and rapidly positioned and clamped, production cost is reduced, and the machining efficiency is improved. Equipment limitation is eliminated, and the production requirements of parts are met.

The utility model discloses a positioning support for paint spraying of an automobile model part, which comprises a processing table, the rear end face of the processing table is connected with a connecting seat in a sliding manner, the processing table is provided with a fixing assembly corresponding to the connecting seat, and one end of the connecting seat is fixedly connected with a fixing frame; rotating shafts are rotatably connected to the two sides of the fixing frame, a positioning assembly is arranged between the two rotating shafts, a gear is fixedly connected to the outer wall of one rotating shaft, a limiting frame is fixedly connected to the side wall of the fixing frame, and a hydraulic cylinder is fixedly connected to the side wall of the fixing frame. According to the device, the connecting base can be rapidly detached, then the fixing frame is detached, the using portability is improved, the fixing frame and the positioning assembly which are painted are conveniently cleaned and maintained in the later period, the using effect is improved, meanwhile, mounting and detaching operation is convenient, detaching operation can be completed with one hand, and the workload is reduced.

The present invention discloses a flexible welding tool and welding construction method for the main column structure of a hoist cage, comprising a welding positioner, a tooling quick-change mechanism, and a tooling platform for clamping and fixing the main column structure of the hoist cage, wherein the tooling quick-change mechanism can be disassembled at both ends of the tooling platform, and the tooling quick-change mechanisms at both ends of the tooling platform can be rotatably mounted on the welding positioner, and the two ends of the horizontal support frame can be rotatably mounted on the welding positioner through the tooling quick-change mechanism, and a plurality of detachable fixed positioning seats are arranged at intervals on the upper surface of the edge of the horizontal support frame, and a plurality of groups of movable clamping mechanisms that slide back and forth along the center direction of the horizontal support frame are symmetrically arranged on the inner side of the edge of the horizontal support frame, and the first fixed clamping mechanism is arranged on both ends of the fixed positioning seat. The present invention can quickly press and position the main column structure of the hoist cage inwardly and outwardly and at the top, and can quickly perform flipping construction welding.

The invention discloses a heat dissipation pipe bending forming device, relates to the technical field of heat dissipation pipe machining, and aims to solve the technical problems that in the prior art, the interior of a pipeline is difficult to support, so that the defects of wrinkles, section distortion and the like are easily generated in the bending process of the pipeline, and the machining quality of the heat dissipation pipe is limited. Comprising a control cabinet and a driving disc arranged outside the control cabinet. Flexible support can be provided for the interior of the heat dissipation pipe in the mode that liquid is injected into the heat dissipation pipe, wrinkles and section distortion of the pipe in the bending process can be avoided, meanwhile, due to the fact that the pressure of a liquid medium acting on the inner wall of the pipe is the same in all directions, the forming quality can be guaranteed, defects are reduced, and the production efficiency is improved. Due to the supporting effect of the liquid medium, the wall thickness changes of the inner side and the outer side of the pipe in the bending process are relatively uniform, the wall thickness thinning and thickening phenomena are reduced, and then the effect of guaranteeing the quality of the heat dissipation pipe machined by the device is achieved.

The invention relates to a digital display rotary fine adjustment device which comprises a digital display micro-adjustment mechanism. A connecting base is installed at the left end of the digital display subdivision mechanism, a positioning block is installed in the connecting base in an embedded mode, a fine adjustment rotating table is fixed to the rear end of the positioning block, a protruding rod is arranged at the bottom of the fine adjustment rotating table, and the protruding rod is connected with the inner side of the positioning mechanism in an inserted mode. Through the positioning mechanism, firstly, a pressing plate is pressed towards the lower end, so that the upward surrounding state of the pressing plate to the clamping blocks is relieved, then, a convex rod at the bottom of a fine adjustment rotating table is aligned with the middle parts of the clamping blocks for embedding, and the clamping blocks are gathered towards the middle parts through a groove of the pressing plate, so that the convex rod is surrounded and clamped by the clamping blocks; rapid clamping and positioning of the fine adjustment rotating table are achieved, and the assembling efficiency is improved.

The utility model relates to the technical field of air conditioner maintenance and manufacturing, in particular to an air conditioner panel correcting device which solves the problems that in the prior art, an automatic centering and positioning function is lacked, an air conditioner panel can be accurately clamped and corrected only by repeatedly adjusting the position manually before being corrected, labor intensity is increased, and working efficiency is improved. And the working efficiency is also greatly reduced. The air conditioner panel correcting device comprises an operation table and a correcting module arranged in the center of the top of the operation table, the two sides of the bottom of the correcting module are connected with the operation table through horizontal moving modules, side centering assemblies are arranged on the two sides of the top of the operation table, and end centering assemblies are arranged on the other two sides of the top of the operation table; the side centering assembly comprises a top plate, a pushing plate and a pushing air cylinder. According to the air conditioner panel correcting device, automatic positioning and clamping of an air conditioner panel can be rapidly completed, manual intervention is reduced, the automation degree and production efficiency of correcting operation are improved, and effective support is provided for standardization and intellectualization of the air conditioner panel correcting process.

The invention relates to the technical field of bus bar fixing, and particularly discloses a bus bar fixing structure and a power distribution cabinet, the bus bar fixing structure comprises a support, the support is composed of two symmetrical transverse plates, a plurality of mounting seats are slidably arranged in the transverse plates, and an elastic piece is arranged between every two adjacent mounting seats; a partition plate is rotationally arranged at the bottom of the mounting seat and is obliquely arranged; a cross rod is slidably arranged in the mounting seat, and a push rod is slidably arranged on the cross rod and can drive the partition plate to rotate during lifting of the cross rod; two push plates are arranged in the transverse plate in a sliding mode, and the multiple installation bases are located between the two push plates. According to the busbar fixing structure and the power distribution cabinet, the adjacent busbars are separated through the partition plate, and the separation distance between the adjacent busbars can be quickly adjusted along with adjustment of the inclination angle of the partition plate, so that the bracket can better adapt to equidistant separation of the busbars with different thicknesses, and the universality of equipment is enhanced.

The utility model provides a maximum tongue pressure measuring instrument which comprises a measuring main machine, a connector, a connecting line, a grip and a balloon which are connected in sequence, an air port in the bottom of the balloon is communicated with an air channel in the grip, a high-precision pressure sensor is installed in the air channel, tiny tongue pressure changes can be accurately and stably captured, and the maximum tongue pressure measuring instrument can be used for measuring the maximum tongue pressure. A control card, a data processing module and a wireless communication module are arranged in the measurement host, the wireless communication module is in wireless communication connection with the terminal server, and the terminal server is connected with the display and the cloud data center. According to the maximum tongue pressure measuring instrument, the maximum value of three times of tongue pressure measurement is taken as the maximum tongue pressure of a patient, the maximum tongue pressure data are sent to the terminal server in real time, and the measured data are synchronously stored in the cloud data center, so that the data can be effectively prevented from being lost; the medical staff is helped to know the training or treatment progress of the patient, and meanwhile the medical staff can conveniently call historical measurement data.

The utility model relates to the technical field of geographic surveying and mapping, and discloses a mounting structure of a camera for unmanned aerial vehicle geographic surveying and mapping, one side of a connecting frame is connected with a fixing plate below a mounting frame, guide rods are symmetrically mounted on the upper surface of the fixing plate, a screw rod is arranged between the two guide rods on the upper surface of the fixing plate, and the screw rod is connected with the connecting frame. A first nut and a second nut are respectively arranged outside the screw rod from top to bottom; a clamping plate is arranged on the inner side of the mounting frame, a rotating rod is arranged in the middle of one side of the clamping plate, and one side of the rotating rod penetrates through the outer side of the mounting frame and is connected with a rotating disc. Through rotation of the first nut and the second nut outside the screw rod, the mounting rack can move between the two guide rods, the height of the mounting rack can be adjusted, and the adjusted mounting rack can be fixed through the first nut and the second nut, so that the height of the unmanned aerial vehicle geographic surveying and mapping camera in the mounting rack can be adjusted conveniently.

This invention discloses a semiconductor quartz component polishing device, relating to the field of quartz component polishing technology. The device includes a main body, inside which a polishing assembly and a rotating assembly coaxially arranged with the polishing assembly are installed. A mounting arm is mounted on the rotating end of the rotating assembly, and a ball head seat is mounted at the bottom of the mounting arm. A positioning assembly capable of vertical rotation is installed inside the ball head seat. Through the arrangement of the polishing assembly and the positioning assembly, the quartz rod is positioned, allowing the polishing assembly to first polish the end of the quartz rod. Then, combined with the cooperation of the rotating assembly and the electric push rod, the entire circumference of the quartz rod's end face can be uniformly and continuously contacted with the polishing assembly. This eliminates the need for manual polishing of the quartz rod by hand, efficiently chamfering the end of the quartz rod, eliminating quality fluctuations caused by inconsistent polishing force and path during manual polishing, effectively removing micro-cracks, scratches, and unevenness left from cutting, and reducing potential stress concentration points.

The utility model discloses a firefighting pipeline welding device which comprises a base and linear guide rails fixedly installed on the top of the base and symmetrically arranged, and further comprises positioning assemblies which are symmetrically arranged and arranged on the top of the base. The utility model belongs to the technical field of pipeline welding, and particularly relates to a welding fixture which solves the problems that in the welding process, the positioning effect on pipelines is poor, looseness is prone to occurring, the weighting phenomenon exists, the coaxiality of two fire-fighting ventilation pipelines cannot be guaranteed, and the welding quality of the two fire-fighting ventilation pipelines is affected. And large potential safety hazards are caused to follow-up use of the fire-fighting pipeline welding device.

The invention discloses a pipeline anti-deviation motorized different-direction disc cutting machine which comprises a mounting base, a cutting mechanism and a clamping plate, the cutting mechanism and the clamping plate are arranged at the top end of the mounting base, a hinge table is mounted at the top end of the mounting base, an arc-shaped frame is arranged on one side of the hinge table, one end of the hinge table is movably clamped on the arc-shaped frame, and the cutting mechanism is rotationally arranged at the top end of the hinge table. A pair of rib plates is arranged on the mounting base, the clamping plate is movably clamped between the rib plates, a chip groove is formed in the bottom of the mounting base and located between the rib plates, and a buffer frame and a protective frame are arranged at the top end of the clamping plate. Compared with the prior art, a steel pipe can be rapidly positioned and clamped through the movable inserting rod and the positioning sliding block on one side, the adjusting shaft at one end is adjusted to move according to the size and the inner diameter of the steel pipe, the limiting shaft and the steel pipe are concentrically arranged, and the limiting shaft can abut against one end of the steel pipe in the subsequent clamping process; and the influence caused by vibration deviation is reduced, and the stability of cutting machining is guaranteed.

The utility model relates to the technical field of cam shaft machining, in particular to an oil pump cam shaft machining tool which comprises a bottom plate, a first limiting seat fixedly installed on one side of the upper surface of the bottom plate, a second limiting seat movably installed on the other side of the upper surface of the bottom plate, a first adjusting seat and a second adjusting seat. The first adjusting seat is slidably mounted on the inner side of the first limiting seat; a first bayonet socket is fixedly mounted on one side, close to the second limiting seat, of the first adjusting seat; the second adjusting seat is slidably mounted on the inner side of the second limiting seat; wherein a reserved groove is formed in the second adjusting seat; a second bayonet socket is rotationally mounted in the reserved groove; a cam shaft body is connected to the opposite sides of the first bayonet socket and the second bayonet socket in an inserted mode. The cam shaft machining tool solves the problem that a machining tool used at the present stage is low in efficiency when clamping and positioning a cam shaft.

The utility model discloses a false tooth milling clamp. The false tooth milling clamp comprises a supporting ring, a positioning mechanism and a fixing mechanism, the support ring is used for fixing denture raw materials; the positioning mechanism is installed on a false tooth raw material and comprises a fixing ring, a baffle is fixed to the fixing ring, a plurality of positioning blocks are arranged on the baffle, a plurality of positioning holes corresponding to the positioning blocks are formed in the supporting ring, a clamping block is fixed to the fixing ring, and a plurality of bolts are connected to the baffle in a sliding mode; the fixing mechanism is installed on the fixing ring and comprises a plurality of pushing plates, fixing blocks are fixed to the pushing plates, a rotating ring is rotationally connected to the fixing ring, and the rotating ring is in threaded connection with the pushing plates. Compared with the prior art, the false tooth milling clamp disclosed by the utility model can be used for quickly positioning and clamping false tooth raw materials, so that the time consumed when the false tooth raw materials are disassembled and assembled can be shortened, and the production speed of false teeth is increased.

The utility model discloses a drawer type hard disk support which comprises an outer frame body, and a group of drawer type hard disk fixing main bodies are vertically installed in an inner cavity of the outer frame body at equal intervals. The drawer type hard disk fixing body comprises two fixing plates welded to the two sides of the inner wall of the outer frame body, a drawer bin is installed between the fixing plates on the two sides in a sliding mode, an L-shaped cover plate is welded to the position, close to the front side, in the drawer bin, and a hard disk fixing assembly is installed on the position, close to the rear side, in the drawer bin. A locking assembly is installed in the position, located in an inner cavity of the L-shaped cover plate, of the interior of the drawer bin, and the movable end of the locking assembly is connected with the fixing plate in a clamped mode. According to the drawer type hard disk support, the position of the drawer bin is fixed in a clamping mode, the clamping rod is broken, otherwise, the drawer bin is not in a shaking state after being positioned, so that the stability of the support in the running state is guaranteed, and the use process of clamping is simple, rapid and convenient to use.

The utility model discloses an insulin injection storage device, which comprises a box body, a hinge arranged on one side of the box body, a box cover arranged on one side of the hinge, a fixing block and a supporting block fixedly connected to the inner wall of the box body, a first fixing shaft fixedly connected to the top of the fixing block, and a first volute spring sleeved on the outer wall of the first fixing shaft. The device facilitates quick clamping and positioning of the pen barrel part, thereby improving the stability of the insulin injection pen during storage, preventing the syringe from shaking and being damaged, effectively improving the convenience during use, facilitating clamping and positioning of the pen sleeve part, further improving the convenience during storage, and facilitating rotation of the pen sleeve part, so that the pen sleeve does not need to be positioned when the injection pen is taken, thereby preventing the pen sleeve from falling, being damaged, or being lost.

The invention discloses a motor support machining positioning and clamping device which comprises a base, an adjustable support, a fixed support, a lateral reference seat and a pressing assembly are installed on the base, and the base is locked and positioned on a machine tool workbench through matching of a positioning sleeve and a screw. The adjustable support and the fixed support are used for longitudinally supporting the bottom faces of web plates on the two sides of the motor support, the lateral reference base is used for laterally abutting against the outer ring annular faces on the two sides of the motor support, and the pressing assembly is matched with the adjustable support and the fixed support and used for longitudinally clamping the motor support. The positioning and clamping device can quickly position and clamp the motor support on a machine tool when the motor support is machined, and is reasonable in structure, accurate in positioning, firm in clamping, reliable in strength and rigidity, easy and convenient to operate and high in efficiency.

The utility model relates to the technical field of coal mine detection, and discloses a coal mine top and bottom plate water-rich detection device, the front surface of a placing plate is integrally provided with a connecting plate, the front surface of the connecting plate is slidably provided with an adjusting plate, the lower surface of the adjusting plate is symmetrically provided with lifting rods, the outer parts of the lifting rods are provided with stabilizing rods, and the stabilizing rods are arranged on the lower surface of the adjusting plate. Positioning mechanisms are arranged on the upper surface of the placing plate and the upper surface of the support, each positioning mechanism comprises two sets of mounting plates symmetrically mounted on the upper surfaces of the placing plate and the support, lifting plates are arranged on the upper surfaces of the mounting plates, positioning plates are connected to the upper surfaces of the lifting plates, and a shielding plate is slidably arranged between the lifting plates. Through the arrangement of the positioning mechanism, the detector and the display on the placing plate and the bracket can be quickly positioned and clamped, the stability of the detector and the display can be ensured, and meanwhile, the wiring port of the detector and the screen of the display can be shielded and protected by utilizing the sliding of the shielding plate.

The utility model discloses an inflation clamping device after tire vulcanization, a lower chuck is fixed with a fixed seat, an upper chuck and the lower chuck are oppositely arranged, the fixed seat is provided with a first hole, and at least one part of a lower lock catch is matched with the first hole; the upper chuck is fixed on the movable seat, the movable seat sleeves the upper lock catch and is fixed with the upper lock catch in the axial direction, after one end of the upper lock catch is inserted into the lower lock catch, the upper lock catch is driven to rotate, so that the upper lock catch and the lower lock catch are combined in an axial limiting manner, one end of the rod-shaped part is fixed with the movable seat, and the other end of the rod-shaped part is fixed with the movable seat. The locking disc is sleeved on the connecting seat and is circumferentially fixed with the connecting seat, a through hole is formed in the axial end surface of the locking disc, the other end of the rod-shaped part is in clearance fit with the through hole, the elastic part is sleeved on the rod-shaped part, one end of the elastic part is matched with the axial end surface of the locking disc, and the connecting seat is fixed with the other end of the upper lock catch. The utility model has the characteristics of simple operation and high efficiency.

The utility model discloses a chip test fixing device, which comprises a device bottom plate, a positioning plate is fixedly arranged above the front end of the device bottom plate, a movable plate is arranged at the front end of the device bottom plate along the lower part of the positioning plate, the positioning plate and the movable plate are both L-shaped plates, a translation block is fixedly arranged below the movable plate, and the translation block is fixedly arranged on the front end of the device bottom plate. A fixing plate is arranged below the translation block, the fixing plate is fixedly connected with the device bottom plate, a lead screw is rotationally installed in the middle of the lower portion of the translation block, the lower end of the lead screw penetrates through the fixing plate and is in threaded connection with the fixing plate, and a first rubber pad is fixedly installed on the inner side of the positioning plate; a second rubber pad is fixedly installed on the inner side of the movable plate. According to the invention, the rapid positioning capability of the chip is realized, and the practicability is improved, so that the problem that the chip is inconvenient to rapidly position and fix when the chip is fixed is solved.

The invention relates to the technical field of aero-engine manufacturing, in particular to a riveting clamp and method for a funnel mixer assembly. The riveting clamp comprises a bottom plate and bases annularly and evenly distributed on the outer edge of the top face of the bottom plate. An arch-shaped frame positioning rod is inserted into the base in a sliding manner; a V-shaped groove for accommodating the arch-shaped frame is formed in the inner side end of the arch-shaped frame positioning rod; a supporting plate is installed on the lower surface of the inner side end of the arch-shaped frame positioning rod and used for supporting the arch-shaped frame and the reinforcing ring. A plurality of arc-shaped positioning strips are annularly and uniformly distributed on the top surface of the bottom plate, and positioning arc surfaces on the inner sides of all the arc-shaped positioning strips are positioned on the same circumference; a plurality of expansion blocks are installed on the top face of the bottom plate in a sliding mode and used for expanding lobes on a mixer welding assembly. A plurality of driving mechanisms are arranged on the top face of the bottom plate, each expansion block is correspondingly provided with one driving mechanism, and the driving mechanisms are connected with the expansion blocks and used for driving the expansion blocks to slide in the radial direction.

The present invention discloses a multi-angle anti-corrosion paint spraying device for spiral steel pipe processing, and the present invention relates to the field of spiral steel pipe processing. The multi-angle anti-corrosion paint spraying device for spiral steel pipe processing described in the present invention comprises a base plate, a vertical plate fixedly connected to the left side of the upper surface of the base plate, and an L-shaped column symmetrically fixedly connected to the upper surface of the base plate, the surface of the L-shaped column is provided with a column groove, the wall of the column groove is provided with a positioning mechanism for the initial placement and positioning of the spiral steel pipe, and a paint spraying mechanism for multi-angle paint spraying on the inner wall of spiral steel pipes of different diameters is provided on the right side of the vertical plate above the base plate; according to actual needs, when replacing spiral steel pipes of different diameters for inner wall paint spraying, the distance between the drying mechanism and the nozzle and the inner wall of the spiral steel pipe is fixed, and there is no need to adjust the spraying distance once every replacement, so as to ensure the quality of the paint spraying, save adjustment time, and make the spraying process more efficient.

A sliding plate positioning and clamping device comprises a base, and the base is further provided with two limiting plates which are oppositely arranged and define a limiting position matched with the width of a sliding plate and used for containing the sliding plate; the two clamping assemblies correspond to the two limiting plates and are located on the two sides of the limiting position respectively, each clamping assembly comprises at least one driving device and a clamping arm, one end of each clamping arm extends in the direction of the limiting position and is arranged above the limiting position in a suspended mode, and the other end of each clamping arm extends in the direction of the limiting position. The driving device is used for driving the clamping arm to swing and move in the vertical direction to clamp the sliding plate located in the limiting range. The sliding plate can be rapidly positioned and clamped through the limiting plate and the clamping assembly, the clamping action is simple and reliable, the machining action can be rapidly achieved, and the sliding plate can be conveniently kept in a stable state when the sliding plate locks a screw.

The utility model is suitable for the technical field of battery clamps, and provides an energy storage battery clamp positioner which comprises a clamp table. The first motor is fixed at the central position of the outer side wall of the clamp table through a bolt; the first ball screw is fixed at the output end of the first motor; the second ball screw is in key connection with one end of the first ball screw; the moving table is fixed on nut seats on the first ball screw and the second ball screw through nuts; the second motor is fixed at the central position of the outer side wall of the moving table through a bolt; through the arrangement of the positioning blocks, the movement position of the clamping plate is limited, then the energy storage battery is rapidly positioned and clamped, the clamping efficiency is high, the situation that the shell of the energy storage battery is damaged due to too large clamping force is avoided, position positioning of the energy storage battery on the clamp table is achieved through the distance measuring value information of the two distance measuring sensors, and the working efficiency is improved. And it is guaranteed that the energy storage battery is located at the set position after being transferred and placed by the mechanical arm.

The invention discloses a width adjustment device for tentering and shaping, the auxiliary mechanism comprises symmetrically arranged support plates, the tentering device is arranged between the outer surfaces of the support plates on both sides, symmetrical rollers are arranged between the outer surfaces of the support plates on both sides, both sides of the outer surfaces of the rollers are movably connected with fixed strips, the outer surfaces of the fixed strips are fixedly connected to the outer surfaces of the support plates, and both sides of the outer surfaces of the rollers are transmission-connected with rollers, the axial end of the roller on one side is rotationally connected with the body of the fixed strip, and the axial end of the roller on one side extends to the outside of the fixed strip. It relates to the technical field of textile machinery and equipment, and solves the problem that when the existing cloth tentering and shaping device is used, due to the lack of cloth anti-deviation measures, after the cloth deviates during the transmission process, the position needs to be adjusted to clamp the cloth, resulting in reduced tentering and shaping efficiency and affecting the processing and winding of the cloth.

The invention relates to a cooling hole machining device and method suitable for a multi-diameter cooling pipe. The cooling hole machining device comprises a base plate, a pipe body positioning seat, a pressing hook, a pressing plate, a positioning taper pin, a pipe end positioning seat and a positioning key. The base is circular, and the end face is provided with a groove for the positioning key to slide; the pipe body positioning seats are rectangular seats, arc-shaped tables attached to the cooling pipes are arranged above the pipe body positioning seats and used for fixing the cooling pipes, and each pipe body positioning seat is provided with a pressing hook and a pressing plate which are used for pressing the cooling pipes. Two bolt holes and a positioning pin hole are formed in the bottom end of the pipe body positioning seat and are used for fixing the positioning key; the pipe end positioning seat is rectangular, a positioning pin hole is formed in the upper end of the pipe end positioning seat, and a positioning pin is installed in the positioning pin hole and used for positioning the end face of the cooling pipe. According to the laser drilling device, laser drilling can be carried out on cooling holes of cooling pipes with different diameters through conversion of positioning and clamping of the cooling pipes. The problem that the cooling hole of the cooling pipe is singly machined is solved, the machining time is shortened, and the machined part meets the design requirement.

This application relates to the field of drilling equipment technology and discloses a casting drilling positioning fixture, including a base plate, a fixture bracket fixedly connected to the upper side of the base plate, a rotating shaft rotatably connected to the inner side of the fixture bracket, and a mounting base fixedly connected to one end of the rotating shaft. This casting drilling positioning fixture, through the cooperative action of a telescopic cylinder, a pressing plate, and a positioning block, can quickly clamp and position the casting. Then, the axial linkage between the rotating shaft and the turntable allows for circumferential angle adjustment of the casting. Subsequently, the slots on the turntable surface, through limiting components, ensure the stability of the casting after angle adjustment, thereby guaranteeing the stability of the casting during drilling. The entire fixture enables rapid clamping and angle adjustment of the casting, ensuring the continuity of position adjustment during multi-hole machining, significantly improving processing efficiency and accuracy consistency. Simultaneously, the integrated structural design reduces human intervention and lowers the risk of clamping errors.

The utility model discloses a high-pressure water jet deburring machining tool which comprises an upper positioning plate and a lower positioning plate, a supporting column is connected between the lower positioning plate and the upper positioning plate, and the high-pressure water jet deburring machining tool further comprises a workpiece positioning hole vertically penetrating through the upper positioning plate and the lower positioning plate. The workpiece positioning hole comprises a first hole body formed in the upper positioning plate and a second hole body formed in the lower positioning plate, and the diameter of the second hole body is equal to that of the first hole body; a flaring groove is formed in a hole opening in the upper end of the second hole body, a plurality of flow guide grooves with the upper ends connected with the flaring groove and the lower ends connected with the outside are circumferentially distributed in the hole wall of the second hole body, and the flow guide grooves extend in the axial direction of the second hole body. The deburring machining tool has the beneficial effects of being large in single-time clamping amount and high in deburring efficiency, the overall function is complete, and practicability is high.