153 results about "Swarf" patented technology

The invention relates to a crushing machine of raw material for preparing a wood shaving artificial board. The machine comprises a box body, a driving device, an air blower, a crushing device, an auxiliary fixing device and a feeding device, wherein the driving device is installed on the front side of the box body, the air blower is installed at the lower end inside the box body, the crushing device is installed in the middle of the box body, the crushing device is located at the upper end of the air blower, the auxiliary fixing device is installed at the upper end of the box body, and the feeding device is installed at the right end of the box body. The crushing machine of the raw material for preparing the wood shaving artificial board can solve the problems that when existing wood shaving machining equipment is used for cutting treatment, the number of cutting tools is small, the cuttings generated through cutting treatment are large in size, the cutting tools are prone to be damaged and are complicated to replace, the wood material is directly cut and machined without limiting and fixing, severe shaking, splashing and even flying are generated in the wood material machining process, so that potential safety hazards and the like are generated in the operation process are solved.

Provided are a recirculation system (200) for a material removal machine (102) and a material removal system (100). A material removal system (100) includes a recirculation system (200) in fluid communication with a material removal cabinet (104) housing a material removal machine (102). The recirculation system (200) may have an upper reservoir (300) configured to drain fluid into a lower reservoir (204) before recirculating the fluid. The upper reservoir (300) may have a standpipe (320) configured to allow swarf, debris, and / or other material within the fluid to be entrained prior to flowing over the standpipe (320).

The invention relates to the technical field of environmental protection equipment, and particularly discloses a metal scrap and scrap processing and recycling device which comprises a centrifugal mechanism, the centrifugal mechanism comprises a centrifugal cylinder, first-stage filter holes, a top opening and a bottom opening, the first-stage filter holes are formed in the centrifugal cylinder in an array mode, the top opening is formed in the middle of the top of the centrifugal cylinder, and the bottom opening is formed in the middle of the bottom of the centrifugal cylinder; the bottom opening is formed in the middle of the bottom of the centrifugal barrel, the top of the centrifugal barrel is connected with the crushing mechanism, the crushing mechanism comprises a feeding hopper, a transfer plate and a communicating notch, and the crushing mechanism and the rolling wheels are driven to rotate through rotation of the centrifugal barrel; therefore, crushing and solid-liquid centrifugal separation of the metal scraps and the chippings are achieved, discharging of oil in the oil collecting cover is enhanced, the metal scraps and the chippings are crushed, the situation that centrifugal separation of the oil and the metal scraps and the chippings obtained after oil separation are affected due to the fact that the solid size is large are prevented, the metal scraps and the chippings can be better reused, and resource recycling of the metal scraps and the chippings is achieved.

This invention relates to a drill head for the use with a microtunneling apparatus (1) for producing a substantially horizontal bore hole (8). The drill head (4) includes a cutter bar (12) that is rotatable within a working zone (13) of the bore (8) which produces swarf which can be extracted from the working zone (13). The drill head (4) includes a pressure adjustment mechanism including a throat member (49) which is adjustable at the distal end of the drill head (4) to adjust the extraction of swarf from the working zone (13).

The utility model belongs to the technical field of blade machining, and particularly relates to an arc blade sharpening mechanism convenient for collecting sweeps, which comprises a frame, a collecting tank fixedly connected below the frame, a fixing frame fixedly connected above the collecting tank, and a fixing device arranged inside the fixing frame. The fixing device comprises a fixing table, a mounting table, a mounting groove, a fixing cylinder, a fixing block, a spring, a worm gear, a worm, a motor and a protection box. According to the arc blade sharpening mechanism facilitating scrap collection, a motor drives a worm gear, a worm and a mounting table to rotate, a fixing barrel moves along a mounting groove to adapt to the inner diameter of an arc blade, a spring drives a fixing block to press the blade to prevent the blade from moving up and down, a draught fan sucks scraps into a collecting groove, and a filter screen prevents the scraps from entering the draught fan; the electric push rod drives the device to move back and forth, the lead screw motor drives the driving wheel to rotate so as to drive the driven wheel and the transmission belt to move, the lead screw rotates, finally the moving frame drives the device to move, and the cylinder drives the device to move up and down.

The utility model discloses a surface grinding machine waste scrap collecting device which comprises a collecting filter cone and a lifting spraying frame, and the collecting filter cone comprises a collecting hopper, a sealing rubber pad, a filtering hopper, a pipe joint, a sealing rubber ring, a fillet frame, a supporting plate, a sealing rubber ring, a handle short rod, a supporting rod and a filtering net. The lifting spraying frame comprises a fixing batten, a motor outer frame, a mini motor, a screw rod, a fixing sleeve, a one-way pipe, a spraying head and a mini water pump, and the sealing rubber pad is fixedly installed on the upper surface of the collecting hopper. According to the surface grinding machine waste chip collecting device, waste chips on the surface of a surface grinding machine workbench can be automatically cleaned and collected through the collecting filter cone and the lifting spraying frame, the collecting filter cone can filter and collect the washed waste chips on the surface of the surface grinding machine workbench, the cleaning process is convenient, the cleaning mode is simple, and the cleaning efficiency is high. The lifting spraying frame washes scraps on the surface of the surface grinding machine workbench in a lifting spraying mode, and long-time work of the surface grinding machine is facilitated.

This invention relates to a drill head (4) for use with a microtunneling apparatus (1) to produce swarf in a working zone (13) of a bore. The drill head (4) includes a cutter bar (12) having at least one spray outlet (41) which is adapted to spray fluid towards a radial member (36) of the drill head (4).

The utility model relates to the relevant technical field of sponge processing and demolding, and discloses a sponge processing and demolding device which comprises a base, a demolding assembly, a jacking mechanism and a guide part, a guide sliding rail is arranged on the surface of the base, and the demolding assembly is fixed to the upper portion of the base through bolts. Through the arrangement of the base, the demolding assembly and the jacking mechanism, the purpose of the synergistic effect of vibration and jacking can be achieved, lossless separation of sponge and a mold is achieved, the integrity of the sponge after separation is guaranteed, and through the arrangement of the guide part, the purpose of ensuring that the sponge is in linear motion in the jacking process can be achieved; and the problem of sponge deformation caused by deviation in the jacking process is avoided, so that the success rate and efficiency of demolding are greatly improved, and the purposes of synchronously cleaning sweeps and improving the use efficiency of the mold can be achieved through the arrangement of the air nozzles.

The utility model discloses a metal product cutting device convenient to collect chippings, which belongs to the technical field of cutting devices, and comprises a cutting seat and a metal plate, one side of the cutting seat is provided with a limiting cutting structure, the top of the cutting seat is provided with an auxiliary protection structure, the limiting cutting structure comprises a first L-shaped plate, and the first L-shaped plate is provided with a second L-shaped plate. The metal product cutting device comprises a first L-shaped plate, one side of the first L-shaped plate is fixedly connected with one side of a cutting base, a first hydraulic telescopic rod is fixedly mounted on one side of the first L-shaped plate, a moving block is fixedly connected to the output end of the first hydraulic telescopic rod, and an auxiliary connecting rod is fixedly connected to the top of the moving block. By arranging the limiting cutting structure, under the action of a threaded rod and a rubber round block, auxiliary limiting can be conducted on a metal plate, and meanwhile under the action of a funnel frame, in the cutting process of the metal plate, chippings can fall into a collecting groove in the bottom through the funnel frame.

The utility model discloses a roller type straightening device for aluminum profile machining, which comprises a roller type straightening device body, and the bottom of the roller type straightening device body is fixedly connected with a base. Then the roller type straightening device body is started to machine the materials, then the motor is started, the output end of the motor rotates to drive the impeller to rotate, the impeller sucks air and sucks the connecting pipe through the filter plate, the connecting pipe sucks the suction nozzle of the vertical pipe box, and the suction nozzle sucks generated waste chips; the roller type straightening device for aluminum profile machining has the beneficial effect of cleaning, and the problems that if waste scraps are not cleaned in time, damage such as scratching and indentation can be caused to materials in the next use process, and the product quality is affected are solved.

This utility model discloses a lathe waste chip cleaning device, including a lathe operating table; a drain outlet is provided at the top of the lathe operating table, and a ramp is provided inside the drain outlet. A drop chamber is provided inside the drop chamber, containing a waste chip collection box and a cutting fluid collection tank. A separation mechanism is provided on the waste chip collection box and the cutting fluid collection tank, including a receiving plate installed inside the drop chamber. The receiving plate has sieve holes and a scraper is installed on the receiving plate. This utility model, by setting up a separation mechanism, separates the waste chips and cutting fluid generated during lathe operation on the receiving plate. The cutting fluid falls into the cutting fluid collection tank below, while the waste chips are cleaned into the waste chip collection box. The separation of waste chips and cutting fluid facilitates separate subsequent processing of waste chips and cutting fluid. Through the movable rod and downward pressure spring installed inside the scraper telescopic rod, the scraper continuously adheres to the surface of the receiving plate during the scraper's movement, preventing waste chips from remaining on the receiving plate after filtration.

The utility model relates to laser engraving machine technical field especially, it relates to a kind of laser engraving machine facilitating collection of swarf, including engraving table, laser engraving module, swarf collection mechanism and push mechanism;The surface of engraving table is provided with engraving groove, the bottom of engraving groove is provided with material positioning groove for positioning material, the top of engraving groove is equipped with the laser engraving module for engraving material, the inside of engraving table is provided with collection bin, the inside of collection bin is equipped with the swarf collection mechanism for collecting engraving swarf, the rear end of engraving groove is equipped with the push mechanism for pushing and removing swarf;The utility model realizes the cooperation of push mechanism and swarf collection mechanism, can completely solve the problem of incomplete swarf cleaning, easy to block, ensure that the swarf in material positioning groove is cleaned thoroughly, further improve the thoroughness of swarf collection.

The utility model discloses a waste chip filtering device for a numerical control machine tool, which comprises a filtering assembly, the filtering assembly comprises a box body, an inner cavity of the box body is provided with a part convenient to disassemble, the part convenient to disassemble is provided with a filtering net, the top of the box body is communicated with a feeding frame and a vibration part, the vibration part comprises a supporting plate, and the supporting plate is provided with a plurality of filtering holes. The supporting plate is connected to one side of the box body in a bolted mode, a motor is connected to the top of the supporting plate in a bolted mode, and an output shaft of the motor is fixedly connected with a rotating shaft. The metal scrap filtering device has the beneficial effects that through the structural design of the supporting plate, the motor, the rotating shaft and the cam, the box body is driven to vibrate up and down in a reciprocating manner by matching with the spring, so that the filter screen fixed on the box body vibrates up and down in a reciprocating manner, the filter screen is prevented from being blocked by scraps, and the scrap filtering efficiency is improved; and through the structural design of a threaded rod, a threaded block, a connecting rod and a clamping block, the filter screen can be conveniently detached, and an operator can conveniently clean the filter screen.

The utility model discloses a numerically-controlled machine tool guide rail protection plate adopting an arc-shaped sliding cover, and relates to the field of numerically-controlled machine tool guide rail protection. The numerical control machine tool guide rail protection plate adopting the arc-shaped sliding cover comprises a plurality of sets of sliding bases, two connecting units, a first protection unit and a second protection unit. According to the numerically-controlled machine tool guide rail protection plate adopting the arc-shaped sliding cover, the distance between the connecting unit, the first protection unit and the second protection unit and the size of machined workpieces on a numerically-controlled machine tool is adjusted, so that the longitudinal size of the numerically-controlled machine tool guide rail protection plate is increased, and the workpieces with larger sizes can be conveniently placed on the numerically-controlled machine tool; workpiece cutting waste of different sizes can be conveniently shielded, the distance between the workpiece and the protection plate is controlled, and then the situation that the workpiece cutting waste splashes, consequently, the waste is scattered on the numerical control machine tool, part of waste chips are located at the guide rail, and normal use of the numerical control machine tool is affected is effectively avoided.

The utility model discloses a turning and milling machining center for large disc parts, which relates to the technical field of machining centers and comprises a machining center body, a milling mechanism is arranged on the upper portion of the machining center body, a three-jaw chuck is arranged on one side of the middle of the machining center body, and a turning mechanism is arranged on the other side of the middle of the machining center body. A through groove is formed in the middle end of the lower portion of the machining center body, a recycling box is slidably arranged in the through groove, recycling grooves are formed in the two sides of the upper surface of the recycling box, strip-shaped grooves are formed in the positions, located on the two sides of the recycling box, of the front side of the machining center body, and sliding blocks are slidably arranged in the strip-shaped grooves. And a connecting mechanism for driving the recycling box to move is arranged on the front side of the sliding block. Due to the adoption of the design of the double scrap collecting grooves, collected scraps can be cleaned while machining is carried out, the downtime of equipment is shortened, and the production efficiency is improved.

The utility model relates to the technical field of scrap collection, in particular to a scrap collecting device for fixing part machining, which comprises a feed hopper and a collecting bin connected to the lower end of the feed hopper, a circular plate is fixedly connected to the lower end of the collecting bin, a mounting groove is formed in the lower end face of the circular plate, and an outlet is formed in the middle of the mounting groove in a penetrating manner. A plurality of sliding grooves which are evenly distributed with the outlet as the axis are formed in the upper end face of the circular plate in a penetrating mode and communicate with the mounting groove, and a plurality of baffles are rotationally connected to the inner wall of the mounting groove. Compared with the prior art, the baffle is arranged at the opposite position of the outlet, the driving assembly for driving the baffle is arranged on the inner wall of the mounting groove, waste chips can be discharged only by pushing the driving assembly in the process, and after chip removal is finished, the driving assembly is reversely pushed again to close the baffle, so that the problem that during chip removal, the waste chips cannot be discharged is solved. And due to the fact that the protruding block is separated from the baffle, the baffle falls on the ground or other places, and the baffle needs to be clamped manually.

The utility model discloses a pre-screening device for metal processing scraps before crushing treatment, which is connected between the processing scraps accumulated on the ground and a feed port of a crusher, conveys the processing scraps on the ground to the feed port, and further comprises a screening mechanism for pre-screening the scraps in the conveying process. The pre-screening device is connected between treated scraps accumulated on the ground and a feeding port of the crusher, and the ground treated scraps can be continuously conveyed to the feeding port, so that transferring operation of the scraps is mechanically achieved, and the problem that continuous physical burden exists in the current manual scrap transferring process is greatly solved. And small-particle sweeps doped in the sweeps needing to be crushed in the transportation process are separated in advance through the screening mechanism, so that the small-particle sweeps do not enter the crusher to be crushed, and therefore the amount of the sweeps entering the crusher to be crushed is reduced, the treatment efficiency of the sweeps is improved, and power consumption and too fast abrasion of a crushing cutter are reduced.

The utility model belongs to the field of leftover material recovery, and particularly relates to a leftover material cutting device for key processing, which comprises a working table, a conveying mechanism arranged on the working table and used for conveying materials, a cutting mechanism arranged on the working table and used for cutting the conveyed materials, and a cutting mechanism arranged on the working table and used for cutting the conveyed materials. The storage mechanism is used for temporarily storing the cut-off crushed materials, and the collecting box is placed under the storage mechanism and used for collecting the cut-off crushed materials; through the structural design of a storage frame, a fixing block, a guide rod and a supporting plate, when the collecting box is full of crushed materials, the supporting plate can be operated to be matched with the storage frame and the workbench to form a temporary storage bin used for temporarily storing a small amount of crushed materials, so that workers can move out the collecting box for centralized treatment under the condition that production is not interrupted, and the working efficiency is improved. And the flexibility of the production process is improved.

An abrasive article comprises a porous substrate having openings extending through the porous substrate between first and second opposed major surfaces. An abrasive coating is disposed on only a portion of a first major surface of the porous substrate. The abrasive coating comprises a functional layer disposed on only a portion of a first major surface of the porous substrate, a make layer disposed on at least a portion of the functional layer opposite the porous substrate, and abrasive particles. The functional layer and the make layer independently comprise chemically crosslinked binders. The functional layer fully occludes a first portion the openings and does not fully occlude a second portion of the openings, which permits passage of abraded swarf through the abrasive article. Methods of making the abrasive article are also disclosed.

The utility model relates to alloy steel wire technical field, and disclose a kind of chromium-nickel alloy steel wire, including steel wire main part and the setting in the shaping structure and tensile structure of steel wire main part, steel wire main part side wall is provided with auxiliary cutting structure, when using the alloy steel wire to cut material, material is cut by repeatedly pulling and pulling main steel wire back and forth quickly, in the cutting process, the high hardness alloy ring of main steel wire side wall protrusion carries out high-speed effective cutting to material, the cutting generated swarf is discharged from the side of main steel wire by chip groove, avoid the swarf accumulation between main steel wire and high hardness alloy ring to influence cutting efficiency and accuracy, in some cases where steel wire needs to be bent, by the shaping of certain degree of metal wire being set in main steel wire, excessive rebound is avoided, four buffer holes being set on main steel wire save material while also bring some ductility to main steel wire, so that bending is more convenient.

The utility model discloses a scrap collecting device of a milling and drilling machine. The scrap collecting device comprises a workbench, a cutting mechanism and a fixing clamp. A collecting tank is arranged above the workbench, a cutting cavity is formed in the collecting tank, a sinking opening is formed in the top for the cutter to enter, and the surface of the collecting tank is coated with a milky white environment-friendly paint layer. The collecting tank is connected with the workbench through a quick-release structure, adaptive openings are symmetrically formed in the front and back sides of the collecting tank for the clamp to slide in and out, and avoiding openings are formed to avoid interference to hand wheel operation; the device can effectively prevent sweeps generated in the machining process from splashing, is attractive and practical, can improve the cleanliness of the laboratory environment and reduce potential safety hazards, and meanwhile, is convenient to disassemble and maintain quickly.

The utility model discloses a warehouse door rail cold roll forming cutting mechanism beneficial to collecting cuttings, which relates to the technical field of profile steel cutting equipment and comprises a support, pulleys arranged at the bottom of the support, ground rails arranged on the pulleys, a lead screw arranged at the bottom of the support, a table top arranged at the top of the support and a cutting saw arranged on the table top. A clamp is arranged at the position, located on a saw blade of the cutting saw, of the table top and comprises a base, a supporting arm and a clamping arm are arranged on the base, a driving device is arranged on the clamping arm, and U-shaped receding openings are formed in the positions, located on the cutting path of the saw blade, of the supporting arm and the clamping arm. A material collecting cover is arranged on the table top in the flying-out direction of the cutting chippings and located on one side of the supporting arm, the material collecting cover comprises a bottom plate and a U-shaped limiting frame arranged on the bottom plate, a material suction opening is formed in the bottom plate, and a dust collector is arranged at the inner bottom of the support and connected with the material suction opening through a pipeline. Through the arrangement of the material collecting cover and the dust collector, chippings generated by cutting can be collected in a centralized mode, random diffusion of the chippings is avoided, and the workload during cleaning is reduced.

The utility model relates to the technical field of metal processing, and discloses a metal processing waste chip cleaning structure which comprises an annular magnetic suction cup, a separating cylinder, a collecting box, an annular rare earth magnet, a spiral blade, a ball and a rotating mechanism. The top end of a separation cylinder is inserted into an inserting groove of an annular magnetic suction cup, an annular rare earth magnet is installed in the inner wall of the annular magnetic suction cup, a spiral blade is fixed in the separation cylinder, two sets of balls are arranged between the inserting groove of the annular magnetic suction cup and the periphery of the top end of the separation cylinder, and the rotating mechanism is arranged on the top face of the collecting box. The rotating mechanism comprises a motor, a gear and an outer gear ring; according to the metal machining waste chip cleaning structure, waste chips are efficiently adsorbed through the annular magnetic suction cup, friction is reduced in combination with rotary separation of the separation barrel and the spiral blades in the separation barrel and smooth movement of the balls in the roller path, and rapid cleaning and precise separation of the waste chips are achieved.

This invention discloses a method for cleaning debris generated during the processing of automotive aluminum alloys, belonging to the field of automotive manufacturing technology. It addresses the problem of cumbersome cleaning and accumulation of debris generated during the processing of automotive aluminum alloys, hindering recycling. The method includes a moving mechanism, a grinding mechanism, a cleaning mechanism, and a pressing mechanism. The automotive aluminum alloy is placed inside a fixed box and secured by a fixing component. It then moves to the lower end of the grinding mechanism. A first servo electric cylinder then lifts the fixed box until it forms a closed space with a first baffle, preventing debris from scattering during processing and reducing the difficulty of cleaning. After processing, an electric slide moves the fixed box to the cleaning mechanism, drawing debris from inside the fixed box into a dust collection box. The pressing mechanism then presses the automotive aluminum alloy debris into a rectangular shape, significantly reducing the storage area and facilitating subsequent recycling.

An object of the present invention is to provide a ball end mill suitable for finishing, with which a high-gloss machined surface is obtained in the cutting of a flat surface orthogonal to a tool rotation axis, such as a bottom surface of a die, using a tool tip portion, and with which it is possible to omit a polishing step or reduce the number of polishing man-hours. The present invention is a ball end mill in which a plurality of swarf discharge grooves 2 opened at a tip end and leading from a tool-tip-end side to a tool-base-end side are formed in an outer periphery of a tool body 1, and ball blades 5 are provided at intersection ridgelines between rake faces 3 of the swarf discharge grooves 2 and tip-end flanks 4 of the tool body 1, wherein a convex tip surface 6 intersecting a tool rotation axis a of the tool body 1 is provided at a tool tip portion, and intersection ridgelines between the tip surface 6 and the rake faces 3 are configured as central cutting blades 7 continuous with the ball blades 5.

The utility model belongs to the field of grooving machines, particularly relates to a double-tool-bit synchronous adjusting mechanism and a two-way automatic grooving machine, and aims to solve the problems that when an existing grooving machine is used for grooving, generated waste chips still remain on a workbench, the waste chips are easily accumulated on the workbench after working for a long time, follow-up operation is affected, and the grooving efficiency is high. In order to solve the problems of inconvenience in operation and potential safety hazards due to the fact that the distance between tool bits is generally adjusted manually and fixed through bolts, the utility model provides the following scheme that the device comprises a mounting plate and two blades, the two blades are mounted on the two sides of the same mounting plate respectively, an adjusting mechanism for mounting the blades is arranged on the mounting plate, and the adjusting mechanism is arranged on the mounting plate. According to the grooving machine, the blades are installed, fixed and spaced, the distance between the blades can be flexibly adjusted according to the machining requirements of different materials, the application range of the grooving machine is widened, the machining precision of the grooving machine is improved, and meanwhile waste chips are automatically collected and cleaned.

The utility model relates to the technical field of lathes, in particular to a gear machining lathe which comprises a machine frame and a fixing frame, the fixing frame is fixedly installed at the top end of the machine frame, a vertically-arranged back plate is fixedly connected to the top end of one side of the fixing frame, a fixing end is fixedly installed on one side of the top end of the fixing frame, and a top block is fixedly installed on the other side of the top end of the fixing frame. A contact switch is installed on the side wall of the side, close to the fixed end, of the ejector block, a sliding rail is fixedly installed at the top end of the fixing frame between the fixed end and the ejector block, a movable end is slidably connected to the sliding rail, and a collecting mechanism comprising a movable block is arranged between the fixed end and the movable end. And the collecting mechanism can collect the scraps all the time, the scraps are prevented from falling into the rotating part to cause damage, a worker does not need to use an air gun for blowing, the collecting efficiency is high, and the stability is high.

The utility model relates to the technical field of threaded cap mold production and processing, and discloses a multi-model threaded cap production device which comprises an operation table, and a milling assembly is arranged above the operation table; a clamping and rotating mechanism; the clamping assembly comprises a limiting rectangular plate, two groups of clamping plate bodies and a limiting plate; the clamping and rotating mechanism comprises a pushing part and a rotating part, the pushing part comprises a rotating inner cylinder, a lead screw and a moving plate, and the rotating part comprises a rotating outer cylinder. Clamping and rotating mechanisms are arranged on the two sides of a mold block, two sets of rotating inner cylinders push corresponding clamping plate bodies to move oppositely to clamp the mold block and fix and clamp the mold block, and a second gear rotates to drive a rotating outer cylinder, the rotating inner cylinders and the clamping plate bodies to rotate synchronously, so that the whole mold block rotates, and milling operation of a milling assembly is facilitated; and the mold block is overturned by 180 degrees, so that waste chips generated in the milling process can be poured out, and the problem that the quality defect that the surface of a workpiece is scratched by a cutter easily due to unsmooth chip removal is solved.

To provide a finishing method of a cylindrical hole which can prevent stop of a machine from being caused by swarf tangling the machine and finish multiple cylindrical holes having different hole diameters at low costs without needing human skills.SOLUTION: In a finishing method of a cylindrical hole, a shrink fit holder 1, a carbide arbor 2 formed of cemented carbide, and a replaceable tool 3 are used to move the replaceable tool 3 around a center of a cylindrical hole 20 of a workpiece W in a spiral manner while rotating the replaceable tool 3 with a machining center to finish an inner peripheral surface of the cylindrical hole 20.SELECTED DRAWING: Figure 1

The utility model discloses an expansion type fireproof composite board wear resistance test device which comprises an operation table, a protective shell is fixedly arranged on the operation table, a door body is hinged to one side of the protective shell, a supporting seat is fixedly arranged in the protective shell, a first motor is fixedly arranged on the supporting seat, a test wheel is arranged at the driving end of the first motor, and a second motor is arranged at the driving end of the test wheel. A collecting chamber is arranged on the operating table, a discharging pipe is fixedly arranged at the lower end of the collecting chamber, a gear ring is rotationally arranged on the outer side of the discharging pipe, a second motor is fixedly arranged on the outer side of the discharging pipe, a gear matched with the gear ring is arranged at the driving end of the second motor, and two connecting arms are arranged on the gear ring; a scraping plate is arranged at the fixed upper end of each connecting arm, and a collecting box is movably arranged at the lower end of the discharging pipe, so that sweeps generated in the abrasion resistance testing process of the expansion type fireproof composite board can be shielded and collected, and the surrounding working environment is prevented from being polluted.