80results about How to "Same angle" patented technology

The invention discloses a gypsum board suspended ceiling drilling installation robot and method. The robot comprises a movable platform system; the lifting structure system is mounted on the movable platform system and is used for lifting an operation platform at the top of the lifting structure system to a corresponding height for construction operation; the drilling rotary table system is mounted on the operation platform, comprises a rotary table, a motor rotary table part for driving the rotary table to rotate, and an ash and dust removal part, a drilling part and a repairing and spraying part which are uniformly mounted on the rotary table along the circumference, and is used for realizing the functions of drilling, ash and dust removal and repairing and spraying of the gypsum board suspended ceiling; the keel delivery system is used for delivering main keels and auxiliary keels and grabbing gypsum boards; the gypsum board jacking system is used for jacking the gypsum board; and the gypsum board cutting system is used for cutting the gypsum board. According to the device, gypsum board suspended ceiling drilling and mounting are integrated, commands such as gypsum board suspended ceiling drilling and mounting are automatically completed, and the construction efficiency and quality are further improved.

The invention discloses a convenient-to-adjust welding workstation for hardware machining, and relates to the technical field of adjusting welding, the convenient-to-adjust welding workstation for hardware machining comprises an equipment frame, a welding mechanism is fixedly mounted on the outer wall of the equipment frame, a first motor is fixedly mounted on the surface of the equipment frame, and the convenient-to-adjust welding workstation for hardware machining further comprises a clamping device; wherein the clamping device comprises a rotating rod, a fixing plate, a rotating pipe, an electric push rod, a clamping plate, a large gear, a second motor, a connecting rod, a circular plate and a small gear, and the rotating rod is fixedly installed at the output end of the first motor. The hardware is fixed in the welding process, the situation that the hardware is damaged due to the fact that the hardware shakes in the welding process and falls off can be prevented, meanwhile, the non-welded side is rotated, the hardware can be adjusted to the optimal position more easily, and unnecessary torsion and stretching are reduced.

The invention discloses a mechanical arm for material transfer based on machine vision, and belongs to the technical field of mechanical arms, the mechanical arm comprises a working frame and a material transfer mechanism, the material transfer mechanism comprises a fixing frame, a sliding rail, a clamping assembly, a driving assembly, an adjusting assembly and a rotating assembly; the sliding block can move along the sliding rail through the driving assembly, the clamping assembly can conveniently clamp the materials, the materials of different shapes can be effectively clamped through the clamping assembly, the state of the materials in the clamping process can be clearly seen through the first camera, the angle of the materials can be observed in real time through the second camera, and the clamping efficiency of the materials is improved. The clamping assembly can be driven to rotate relative to the sliding rail through the adjusting assembly, the clamping angle can be adjusted, the materials can be driven to be subjected to direction adjustment, through cooperation with the rotating assembly, the angle when the materials are placed can be adjusted, it is guaranteed that the positions and the angles of the multiple materials are kept consistent all the time after transferring, and the working efficiency is improved. And the working effect of material transfer is improved.

The invention belongs to the technical field of plastic film forming equipment, and particularly relates to anti-wrinkle plastic film forming equipment. Comprising a first supporting frame, a film blowing machine die head is fixedly installed in the first supporting frame, and the film blowing machine die head is used for extruding a tubular film; a second supporting frame is fixedly mounted at the top of the first supporting frame, a pair of rolling frames is arranged in the second supporting frame, and the rolling frames are used for supporting and stretching a tubular film; a turnover mechanism is fixedly mounted in the second supporting frame, is connected with the rolling frame and is used for controlling the rolling frame to rotate and turn over; the angles of the two rolling frames are kept consistent all the time, the problems of bubbles, wrinkles, bending and the like caused by inconsistent pressure borne by a tubular film are avoided, meanwhile, the problem that the rolling frames are replaced due to long-time shutdown is avoided, and the production efficiency is improved; the opening between the rolling frames can be rapidly adjusted, and the wrinkle problem in the film forming process is further reduced.

The utility model discloses a tension adjusting device for processing and winding a preservative film, and relates to the technical field of motor boxes. An adjusting assembly is fixedly mounted at the top of the rack body; the adjusting assembly comprises a C-shaped frame; a first guide rod is arranged at one end of the C-shaped frame in a matched mode through a mounted bearing. A second guide rod is arranged in the C-shaped frame; a turntable is arranged on the inner wall of the C-shaped frame in a matched manner; a connecting plate is movably mounted on the turntable; the connecting plate and the turntable are eccentrically arranged; the end, away from the rotary disc, of the connecting plate is movably connected with the first swing rod and the second swing rod through connecting rods. When the preservative film clamping device is used, a preservative film sequentially penetrates through a first guide rod and a second guide rod in the adjusting assembly, one end of the preservative film penetrates through the position between the first clamping stick and the second clamping stick, and the distance between the first clamping stick and the second clamping stick is achieved by adjusting the adjusting block through the adjusting screw. And it is ensured that the first clamping stick and the second clamping stick are both in contact with the preservative film during tension adjustment.

The invention relates to the technical field of automobile coating testing, in particular to an automobile coating adhesion performance testing machine and a testing method.The automobile coating adhesion performance testing machine comprises a base, a limiting block used for limiting a sample plate is fixedly installed on the upper end face of the base, an n-shaped frame located above the limiting block is fixedly installed on the upper end face of the base, and a downward pressing mechanism is arranged on the n-shaped frame. A limiting, cutting and adhering integrated operation model is adopted to complete cross-grid testing of different intervals of the automobile coating sample plate, an efficient, accurate and standardized testing process is achieved, uniform pressure control ensures that the cutting depth and force of grids with different intervals on the surface of the sample plate are consistent, and a base material is prevented from being damaged; the testing efficiency is greatly improved through cross-shaped limiting and synchronous cutting, it is ensured that the angle of each grid is accurate to be 90 degrees, meanwhile, coatings with different hardness and thicknesses can be easily coped with only by adjusting the pressure, the operation consistency is remarkably enhanced in the automatic adhesive tape adhering and tearing process, and the testing quality and efficiency are comprehensively improved.

The utility model discloses a flame cutting device for a large-diameter steel pipe, which is applied to the machining process of a large-diameter spiral welded steel pipe, is more stable in the cutting process by arranging a triangular spherical positioning mode, and is more stable in the cutting process by matching with an elastic buffer structure and an adjusting control structure at the rear end. Meanwhile, the distance between a cutting gun of the flame cutting device and the surface of the steel pipe is kept consistent all the time, and the flame cutting device is not influenced by factors such as large caliber, overall out-of-roundness and large outer diameter deviation of the steel pipe, so that the end face of the pipe is flush during cutting, the pipe orifice and the groove angle are consistent, and the cutting efficiency is improved. And the requirement of directly performing butt welding after the steel pipe is cut is met.

The present invention relates to the technical field of detection devices, and discloses a connectivity detection device for a connector and a flat wire harness, including a base plate and a flat wire harness, wherein a clamping mechanism is disposed on the top of the base plate, a circulation mechanism is disposed on the top of the base plate, and a switching mechanism is disposed on the top of the base plate; the clamping mechanism is used to clamp and fix the flat wire harness, and the circulation mechanism is used to push the flat wire harness to move back and forth for reciprocating plug-in and pull-out testing. The connectivity detection device for the connector and the flat wire harness, using the clamping mechanism, places the port of the flat wire harness on the lower clamping plate, and enables the cylindrical through hole of the flat wire harness to be plugged into the positioning column of the lower clamping plate to ensure limiting. The pressing force applied by the limiting member to the serrated member is adjusted to avoid damage to the port of the flat wire harness due to excessive pressure; protecting the integrity of the test equipment can ensure that the test conditions are consistent each time, and reduce fluctuations in test results caused by equipment damage.

The utility model discloses a construction engineering construction reinforcing steel bar bending device, and particularly relates to the technical field of reinforcing steel bar bending, the construction engineering construction reinforcing steel bar bending device comprises an operation table, a through groove is formed in the front part of the upper end of the operation table, a bending assembly is rotatably connected in the through groove, and four transportation assemblies are rotatably connected to the rear part of the upper end of the operation table in a bilateral symmetry manner; and a plurality of bilaterally symmetrical rolling shafts are rotationally connected to the upper end of the operation table and located on the front portion and the rear portion of the conveying assembly. According to the reinforcing steel bar bending device for construction of the construction project, in the using process, reinforcing steel bars are conveyed through the four telescopic assemblies, the purpose of continuous operation is achieved, the feeding efficiency is improved, conveying is started to the direction of the bending assembly through the friction coefficient of the outer surface of the friction plate, and the working efficiency is improved. At the moment, the clamping distance between the friction plates on the left side and the right side can be automatically adjusted in a telescopic mode according to the sizes of the reinforcing bars, the operation continuity of the device is guaranteed in the process, and the reinforcing bars with different diameters can be directly replaced for machining without manual operation.

The invention discloses a self-cleaning type solar street lamp convenient to maintain, and relates to the technical field of street lamp illumination, the self-cleaning type solar street lamp convenient to maintain comprises a lamp body mechanism, a lamp illumination mechanism, a lamplight diffusion mechanism and a light adjusting mechanism are arranged in the lamp body mechanism, and the lamplight diffusion mechanism is sleeved with the lamp illumination mechanism; the light adjusting mechanism is located in the lamp illumination mechanism, and the lamplight diffusion mechanism is used for adjusting the light illumination angle. In the hazy weather, the transmission mechanism drives the light diffusion assembly to rotate by a half circle, the light ray angle of lamplight can be adjusted, the light ray penetrability is improved, scattering and absorption of light rays by haze are reduced, and the lighting effect of a road is ensured; in addition, the light transmitting assembly and the light expanding assembly are combined together, the penetrability of lamplight is further improved by changing the refraction angle of light, and the good illumination effect is kept in hazy weather.

The utility model discloses a blade periphery grinding machine feeding device and relates to the technical field of grinding machine auxiliary equipment. A sleeve is additionally arranged on the outer side of a hexagonal rod, a sliding hole is formed in the sleeve, and a positioning rod is used in a matched mode, so that the hexagonal rod drives the positioning rod to slide in a limited mode along the sliding hole when contracting, and when the positioning rod coincides with the sliding hole, the positioning rod can slide along the sliding hole in a limited mode. The positioning rod is fixed at a certain angle through the positioning structure, so that the angle of the hexagonal rod and the angle of the air cylinder rod are always kept consistent, high-precision repeated positioning of the blade feeding position is achieved, and the situation that the blade feeding position deflects by a certain angle due to the fact that a gap exists between the hexagonal rod and a hexagonal sleeve in the feeding air cylinder barrel is avoided; therefore, the feeding precision of the feeding device of the blade periphery grinding machine in the long-term use process is always kept consistent, and the feeding precision of the feeding device of the blade periphery grinding machine is improved.

The utility model provides a condenser pipe fitting connecting assembly, and belongs to the technical field of pipe fitting connection. Comprising a connector and further comprises anti-loosening assemblies, the anti-loosening assemblies are arranged at the two ends of the connector, each anti-loosening assembly comprises nuts connected to the two ends of the connector and a clamping plate arranged on one side of the corresponding nut, one side of each nut is connected with a clamping column, and a clamping groove is formed in the side, close to the corresponding clamping column, of each clamping plate; the nut is clamped with the clamping plate through the clamping column and the clamping groove; the reinforcing assembly is arranged on the outer side of the anti-loosening assembly and used for fixing the clamping plate; by arranging the anti-loosening assembly, the clamping plate is pushed towards the nut, so that the clamping column on the nut is clamped into the clamping groove of the clamping plate, the clamping plate and the clamping column are matched to form a mechanical clamping structure, additional anti-rotation torque can be provided for the nut, the nut can be prevented from loosening due to vibration, impact or pressure fluctuation, and the anti-loosening effect is good. And the stability and the service life of the clamping sleeve type connecting assembly can be improved.

The utility model discloses a ceramic tableware glazing device which comprises a glazing box, the bottom of the glazing box is fixedly connected with moving wheels, a frame body is arranged in the glazing box, a partition plate is arranged in the frame body, a lower frame is installed in the frame body, and a damping sleeve is installed at the top of the lower frame. A telescopic rod is embedded in the damping sleeve, and the top of the telescopic rod is fixedly connected with an upper frame. According to the ceramic tableware glazing device, a lower frame, a damping sleeve, a telescopic rod, an upper frame and other structures are installed in the glazing box, so that ceramics of different sizes can be conveniently clamped, a worker fixes the position of a frame body firstly, then the upper frame is pulled, the telescopic rod at the bottom of the upper frame is made to move up and down in the damping sleeve, and the ceramic tableware can be conveniently glazed. The ceramic tableware is placed in the lower frame, and the upper frame is loosened to clamp the ceramic tableware, so that the ceramic tableware can be clamped without manual work or a clamp, and the operation is relatively convenient.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

The utility model relates to the technical field of building construction, in particular to a steel frame limiting and righting device and a steel frame positioning assembly. The steel frame limiting and righting device comprises a connecting part, a positioning part and a limiting part. The positioning part is arranged on the connecting part, the positioning part is provided with two clamping pieces which are parallel to each other, and a clamping space used for clamping I-shaped steel to be clamped is formed between the two clamping pieces and the connecting part; the limiting part is arranged on the connecting part, the limiting part is parallel to the clamping piece, and a limiting space for the I-shaped steel to be limited is formed among the limiting part, the positioning part and the connecting part. According to the steel frame limiting and righting device and the steel frame positioning assembly provided by the utility model, the I-shaped steel is positioned through the positioning part, and the other I-shaped steel is limited through the limiting part, so that the maximum distance between the two I-shaped steel is limited, and the assembly stability of the steel frame is ensured; the clamping piece and the limiting part are arranged in parallel, so that the angle consistency of the I-shaped steel is ensured, and the assembly efficiency is improved.

The utility model relates to the technical field of law enforcement equipment, and discloses tobacco monopoly law enforcement auxiliary equipment, which comprises a strap main body, connecting devices and a storage device, the strap main body comprises a shoulder strap and a waist strap, the two ends of the shoulder strap are connected with the waist strap, the connecting devices are distributed along the length direction of the shoulder strap, and the storage device is connected with the shoulder strap. And the storage device is detachably connected with the connecting device. A law enforcement recorder and other law enforcement tools are placed in the storage device, the storage device can be connected with any position on the shoulder strap, the position of the storage device can be adjusted according to the height of a law enforcement officer, when the law enforcement officer is high, the storage device can be connected to the lower position of the shoulder strap of the law enforcement officer, and when the law enforcement officer is short, the storage device can be connected to the lower position of the shoulder strap of the law enforcement officer. The storage device can be connected to a higher position of a shoulder strap of a law enforcement officer, so that law enforcement tools such as a law enforcement recorder and the like can be positioned at almost the same height, the shooting height and angle are ensured to be consistent, and effective shooting and recording pictures are obtained.

This invention discloses a slope adjustment device for precast T-beams in bridge engineering, comprising: a slope adjustment base plate with four adjusting seats evenly connected to its top; a slope adjustment top plate positioned above the base plate, with two receiving seats connected to its bottom sides; and a support plate installed within the receiving seats, its bottom end hinged to the tops of the two adjusting seats, with an angle indicator unit at the hinge point of the support plate for displaying the rotation angle of the top of the adjusting seats. This invention transforms the point support of the adjusting seats on the slope adjustment top plate into surface support. The support plate provides stable support for the slope adjustment top plate, improving the uniformity of force distribution on the plate. The angle indicator unit at the hinge point of the adjusting seats allows for direct measurement of the angle adjustment amount of each adjusting seat, ensuring consistent and accurate adjustment, reducing adjustment difficulty, and preventing stress on the slope adjustment top plate during installation due to differences in adjustment amounts, thus maintaining the stability of the slope adjustment top plate.

The utility model relates to the technical field of laser printers, in particular to a laser printer magnetic core structure which comprises a magnetic core body, a threaded groove is formed in the outer wall of one side of the magnetic core body, a first circular groove is formed in the outer wall of one side of the magnetic core body, and limiting blocks are arranged at the four corners of the inner wall of the first circular groove. A threaded pipe is fixedly connected to the outer wall of the other side of the magnetic core body, a supporting block is arranged on the outer wall of the other side of the magnetic core body, and a mounting groove is formed in the outer wall of the other side of the supporting block; the angle of the two magnetic core bodies is determined through the limited connector before the two magnetic core bodies are connected, it is guaranteed that the angles of the two magnetic core bodies are consistent, the two magnetic core bodies can rotate to be connected after the two magnetic core bodies are pushed and are not limited any more, and the two magnetic core bodies are just connected after the threaded pipe and the threaded groove are completely connected. The phenomenon that the multiple sections of magnetic core bodies are uneven and difficult to use after being connected and installed is avoided, and the use efficiency of the laser printer is improved.

The utility model discloses a temperature-controllable glue coating and scraping integrated device for an experiment. The temperature-controllable glue coating and scraping integrated device comprises a bottom plate, a movable plate, a driving mechanism and a heating assembly, a fixing plate is arranged on one surface of the bottom plate, a guide rod is arranged on one surface of the fixing plate, the axis direction of the guide rod is the same as the length direction of the bottom plate, a glue scraping plate and a mounting seat are movably arranged on a rod body of the guide rod, and vertical projections of the glue scraping plate and the mounting seat fall on the surface, provided with the fixing plate, of the bottom plate; the movable plate is movably connected to one end, deviating from the fixed plate, of the guide rod, and has a moving trend towards the direction of the fixed plate; the driving mechanism is arranged on the fixing plate and used for driving the glue scraping plate to move in the length direction of the bottom plate. And / or the heating assembly is arranged on the mounting seat and / or the surface, provided with the fixing plate, of the bottom plate. According to the sample preparation device, the fluidity of an adhesive sample can be continuously kept in the sample preparation process, the problems that the adhesive sample slips due to high viscosity and cannot be uniformly coated during sample preparation are solved, the sample preparation difficulty is effectively reduced, and the sample preparation efficiency is improved.

The invention discloses an auxiliary device for special-shaped curved surface welding deformation control and a machining and auxiliary welding method. The auxiliary device is used for being connected and fixed with a special-shaped curved surface arc-shaped structural part in a shaping mode and disassembled after welding shaping is carried out, and the auxiliary device is composed of a profiling panel, an angle rib plate and a reinforcing rib plate; the profiling panel is provided with a plate surface structure with the same curved surface as the special-shaped curved-surface arc-shaped structural part, a reinforcing rib plate is fixedly welded to the longitudinal center line of the back face of the plate surface and is perpendicular to the plate surface, and a plurality of sets of angle rib plates which are oppositely arranged are arranged on the two longitudinal sides of the reinforcing rib plate at intervals. A plurality of bolt holes used for being detachably connected, shaped and fixed with the special-shaped curved-surface arc-shaped structural parts are formed in the profiling panels on the two longitudinal sides of the reinforcing rib plates at intervals; the machining and auxiliary welding of the auxiliary device comprises the steps of profiling panel preparation, construction welding and the like. Through application of a profiling technology, angle control, forced welding and a lightweight technology, the welding angle of the special-shaped curved surface can be guaranteed, the welding quality is guaranteed, and the operation efficiency is improved.

The invention relates to the technical field of logistics equipment, in particular to an automatic car loader which comprises an upper rack, a main conveying part is arranged on the lower side of the upper rack, a main hinge frame is arranged at one end of the upper rack, the conveying upstream end of the main conveying part is arranged in the main hinge frame in a hinged mode, and a pitching traction part and a left-right swing part are arranged between the upper rack and the main conveying part; the automatic car loader further comprises a motion controller which is used for motion control of the automatic car loader. The main hinge frame is arranged between the upper rack and the main conveying part, so that the main conveying part has pitching and left-right shaking action adjustment, and the loading action is more flexible and controllable.

The utility model discloses an eight-station rib milling shaft machining tool which comprises a machining shaft, end shafts are arranged at the two ends of the machining shaft respectively, rotating assemblies are arranged on the outer walls of the end shafts, each rotating assembly comprises a first rotating plate and a second rotating plate, and the first rotating plates and the second rotating plates form a regular octagon. Clamping assemblies are arranged on one side of the first rotating plate and one side of the second rotating plate respectively; by means of the design of the machining shaft, the end shaft, the holding and clamping assembly and the rotating assembly, the end shaft is held and clamped through the holding and clamping blocks which are symmetrically arranged, and when the machining shaft needs to be rotationally machined, the machining shaft can be driven to rotate by rotating the first rotating plate and the second rotating plate; and through the regular octagon formed by the first rotating plate and the second rotating plate, it can be guaranteed that the rotating angles of the machining shaft each time are the same, in this way, any worker can conduct operation, and the machining operation difficulty of the machining shaft is lowered.

The invention relates to a glass lampshade balance degree detection system which comprises a projection plate capable of displaying projection, a motor arranged on the upper portion of the front end of the projection plate, a lifting rope and a suspension device which is suspended on the motor through the lifting rope and driven by the motor to rotate, and the suspension device can fasten and suspend a glass lampshade. The balance plate is fastened to the upper end of the suspension device, the illumination source is arranged at the front end of the suspension device, the illumination source enables the balance plate to be projected to the projection plate, the projection of the balance plate is projected to the projection plate, an operator can visually judge the inclination state of the glass lampshade by observing the change of the projection, and the operation is convenient. Therefore, the imbalance problem can be quickly identified and screened.

The utility model provides a line body bending device of an antenna. The line body bending device comprises a handle, a clamping part and a limiting piece, the clamping part is rotationally connected with one end of the handle, the clamping part is used for clamping a wire body, the clamping part can rotate between a placing position and a bending position so as to bend the wire body on the clamping part, the limiting piece is arranged on the handle and located on the side, facing the bending position, of the clamping part, and when the clamping part rotates to the placing position, the clamping part abuts against the handle so as to bend the wire body on the clamping part. When the clamping part rotates to the bending position, the clamping part abuts against the limiting piece. The clamping part abuts against the handle at the placing position and abuts against the limiting piece at the bending position, so that the rotating angle of the clamping part when the clamping part rotates between the placing position and the bending position is determined, and the bending angles of different wire bodies after rotation of the clamping part are kept consistent; the bending angle of a line body machined by the line body bending device of the antenna is kept stable, and the requirement of antenna production for the bending angle of the line body is met.

The present invention relates to a car seat size measuring device, and relates to the technical field of measuring devices, comprising: an adjusting part, an auxiliary measuring part and a pushing part are installed on a measuring frame, the adjusting part is used to measure the thickness of the car seat, the auxiliary measuring part is used to measure the length and width of the car seat, the adjusting part comprises two screw rods located at the front and rear sides of the measuring frame, and the two screw rods are respectively connected with relatively arranged connecting frames, which are used to clamp and limit the car seat, and adapt to the thickness measurement of the side of the seat; the auxiliary measuring part is installed on the inner wall of the measuring frame, comprising: an auxiliary block is slidably connected to the slide rail, the auxiliary block is connected to a fixed seat, and a tape measure is arranged in the fixed seat; the pushing part is used to transfer the car seat to be measured to the inside of the measuring frame. Compared with the prior art, the present invention can reliably and efficiently measure the thickness, length and width of the car seat, and can adapt to the size measurement of the side of the seat with different shapes and curves.

The invention discloses a shell mounting method of a rotary annealing furnace, and belongs to the technical field of annealing furnace equipment mounting. The mounting method comprises the steps that the position of each fixed stand column on the civil foundation is determined based on the central axis O of the annealing furnace unit, the number N of the supporting frames and the distance R1 between the fixed stand columns and the central axis O; the fixed stand columns are installed at the corresponding positions respectively; the overhanging stand column, the sliding stand column and the connecting beam are installed, it is guaranteed that the overhanging stand column, the sliding stand column, the connecting beam and the fixed stand column are located on the same straight line, and the straight line passes through the central axis O; determining the position of the upper bottom of the top plate on the connecting beam based on the distance R4 from the upper bottom of the top plate to the central axis O; the top plates are installed, and it is guaranteed that the extension lines of the two waist lines of each top plate pass through the central axis O; and the inner side plates and the outer side plates are installed, it is guaranteed that the included angle beta between every two adjacent inner side plates is equal, it is guaranteed that the included angle gamma between every two adjacent outer side plates is equal, and beta and gamma are equal.

A perforating machine feeding positioning mechanism belongs to the technical field of perforating machines and comprises a perforating machine workbench, a base is mounted at the top end of the perforating machine workbench, a lead screw is rotatably mounted in an inner cavity of the base in the horizontal direction and intermittently and circumferentially rotates through an intermittent rotating mechanism, and the outer wall of the lead screw is in threaded connection with a moving seat. The top end of the movable seat is connected with a positioning part; a workpiece is positioned in an inner cavity of the positioning part; the intermittent rotating mechanism comprises a driving part and a rotating part. The workpiece does not need to be repeatedly disassembled and fixed after being positioned in the inner cavity of the fixed seat, the position of the workpiece can be adjusted by driving the fixed seat and the positioned workpiece to integrally move, the unnecessary step of repeatedly positioning the workpiece is omitted, meanwhile, it can be guaranteed that the advancing distance of the workpiece is the same every time, and the working efficiency is improved. And therefore, the outer wall of the workpiece can be accurately perforated at equal intervals.