411results about How to "Improve grinding efficiency" patented technology

The invention discloses a high-efficiency grinding and derusting equipment for steel bars for construction, which comprises a bottom plate, a left side plate, a right side plate, a top plate, a slide rail, a first slider, a box body, a first spring, a workbench, a sleeve, a slide Rod, mounting plate, first motor, first clamping device, second clamping device, horizontal support plate, second motor, disc, connecting rod, second slider, rack, third slider, pull cord , the first fixed pulley, the second fixed pulley, racks, gears, rotating shafts, and grinding discs. The present invention is provided with a first clamping device and a second clamping device, which can fix steel bars of different diameters. The first motor, the second motor, the disc, the second slider, the rack, the gear, the third slider, the pull rope, the box body and the spring, through the cooperation of the above components, the steel bar can be polished in all directions, which further improves the grinding efficiency , with a first helical gear, a second helical gear and a threaded rod to adjust the distance between the workbench and the grinding disc to accommodate steel bars of different diameters.

The invention provides a grinding device of pipes used for the curved surface anti-buckling tests of adhesive tapes. The grinding device comprises a base, a motor, a rotating shaft, a dead head, a tip, a screw and a slider. A first upright plate and a second upright plate are arranged on the upper end surface of the base at interval, a driving gear is arranged on an output shaft of the motor, therotating shaft can be arranged on the lower end part of the first upright plate in a rotating manner, the outer end of the rotating shaft is provided with a driving wheel and an input gear which simultaneously rotates with the driving wheel, the input gear is in meshing transmission with the driving gear, the inner end of the rotating shaft is provided with a first clamp component, the dead head is arranged on one side of the second upright plate, and the screw is in transmission connection with the driving gear through a speed reduction mechanism; the slider is sheathed on the screw, and thebottom end of the slider is provided with a clamp. Compared with the prior art, the grinding device has the advantages that as manual grinding is replaced by mechanical grinding, the grinding efficiency is greatly improved; as personal factors are eliminated, the uniformity of ground pipes used for tests is good, and the data accuracy and reliability of the anti-buckling tests of adhesive tapes can be ensured.

The invention discloses a rotary steel-pipe grinding device which comprises a workbench, support legs, a rotary disc, a fixing pillar and grinding rods. The rotary disc is rotatably connected to the upper surface of the workbench, the fixing pillar is fixedly connected to the left side wall of the workbench, a top plate is fixedly connected to the top of the fixing pillar, a guide rail is mountedon the lower surface of the top plate, a sliding plate is slidably connected on the guide rail, a telescopic mechanism is fixedly connected to the lower surface of the sliding plate, a mounting plateis fixedly connected to the lower surface of the telescopic mechanism, a fixing block is fixedly connected to the lower surface of the mounting plate, a threaded rod is rotatably connected to the sidewall of the fixing block, the threaded rod is sleeved with a movable block, and the grinding rods are fixedly connected with the lower surface of each of the fixing block and the movable block. A steel pipe clamped rapidly through clamping blocks, high loading and unloading speed is achieved, the inner wall and the outer wall of the steel pipe are ground simultaneously by the aid of the grindingrods, grinding efficiency is improved greatly, time is saved, certain damping effect is achieved by the aid of a spring, and vibration of the grinding device in operation is reduced.

The invention discloses a steel plate double-surface polishing device. The device comprises a base, a box and a polishing mechanism; the base is fixedly connected with the box; the polishing mechanismcomprises polishing discs symmetrically arranged; the inner sides of the polishing discs are fixedly connected with extension rods; the extension rods are rotationally connected with movable blocks through bearing bases; the movable blocks are embedded in the box, and penetrate through vertical lead screws; the extension rods are fixedly connected with rolling gears; and the rolling gears are engaged with rack plates. Through arrangement of push plates driven by transverse lead screws, support rollers and guide rollers, steel plates are fixed and continuously fed, so that the polishing efficiency is improved; through arrangement of the symmetrical polishing discs driven by the vertical lead screws and capable of moving up and down and rotating, double surfaces of the steel plates are polished to improve the operation efficiency.

The invention relates to a low-deformation processing method for a thin-wall large-area special-shaped composite case, provides a measuring method of the thin-wall large-area special-shaped compositecase, designs an internal supporting tool, provides a technology method that residual stress is released by using a stress segmentation groove and optimizing tool path planning, and solves the problems that the thin-wall large-area special-shaped composite case is difficult to measure and large in deformation. Through practical application and testing, it is shown that when the method is applied,low-deformation processing of the thin-wall large-area special-shaped composite case can be achieved, and fundamental research experience is provided for low-deformation processing of other similar thin-wall cases.

The invention belongs to the technical field of rubber production, and particularly relates to silicone rubber production equipment. The silicone rubber production equipment comprises a shell, drivingdevices, crushing plates, an opening adjusting device and a grinding device. The driving devices are used for supplying power to the crushing plate. The driving devices are matched with the crushingplates to crush talc. The opening adjusting device adjusts an opening below the crushing plates. The grinding device comprises a mounting seat, an air cylinder, a swinging plate, a grinding disc, a third motor, a corrugated pipe and an elastic funnel. The end portion of a cylinder rod of the air cylinder is rotatably mounted at one end of the swinging plate. A long rotating support on the mountingseat is rotatably connected with the other end of the swinging plate. The grinding disc is fixedly connected with the shaft end portion of the third motor. The grinding disc is used for grinding thegranular talc. The silicone rubber production equipment is mainly used for grinding the talc added in the rubber production process, and crushing, grinding and partial position cleaning of the talc are realized.

The invention discloses a process for distributing grinding materials of a grinding disc of a ship body made of brass solder super-hard grinding materials. The process comprises distributing materials at the edge of the outer end of the grinding disc, distributing materials at the inclined plane of the grinding disc and distributing materials at the plane of the top end of the grinding disc; the granularity of the grinding materials distributed at the edge of the outer end of the grinding disc ranges from 16 meshes to 80 meshes; the transverse distance of two adjacent grinding materials ranges from 1.6d to 4.5d; the longitudinal distance of two adjacent grinding materials ranges from 1.5d to 5.5d, wherein d is the maximum granularity of the grinding materials; the granularity of the grinding materials distributed at the inclined plane of the grinding disc ranges from 25 meshes to 100 meshes; the distance range of the adjacent grains along the radial direction of the grinding disc ranges from 1.5d to 4d; the distance range of two rows of grinding materials distributed along the radial direction ranges from 1.5d to 6d; the grinding materials distributed at the plane of the top end of the grinding disc is of cluster shaped grinding materials; a single cluster shaped grinding material is formed by closely arranging 1-115 grinding materials; the granularity of the grinding materials ranges from 35 meshes to 140 meshes; and the area of the cluster shape ranges from 3 mm<2> to 15mm<2>. The grinding disc has the characteristics of high grinding efficiency, light hand feeling, small vibration, no odor, long service life, appearance attractiveness and the like; and a traditional resin grinding wheel is replaced relatively perfectly, and thus the process is the direction of the development of the grinding disc of the ship body in the ship manufacturing industry.

The invention discloses an anti-corrosion high-hardness abrasion-resistant alloy cast ball. The preparation process of the anti-corrosion high-hardness abrasion-resistant alloy cast ball comprises the steps of smelting, detection, casting, thermal treatment and coating spraying. The cast ball comprises alloy elements including C, Mn, Si, Ni, Cr, Mo, V, Re, Ti, B, Nb, Ca, Zr, Mg, Zn, Cu, W, S, P and the balance Fe and inevitable impurities. The alloy cast ball obtained through the preparation process can be used in various environments, good corrosion resistance and abrasion resistance are achieved, the hardness can reach over 70 HRC, the impact toughness can reach 7 J/cm<2>, and the requirements for the alloy cast ball in the practical using process are met.

The invention relates to a magnetic particle grinding device and method for efficient polishing of the inner surface of a pipe. The device comprises a driving mechanism, a feeding mechanism and a magnetic field generating mechanism. The driving mechanism drives a pipe part to rotate, and the feeding mechanism drives the magnetic field generating mechanism to axially move along the pipe part. The magnetic field generating mechanism forms a magnetic field to adsorb magnetic grinding particles to be distributed along the magnetic force line and gathered into a magnetic grain brush with rigidity.A connecting frame is fixedly connected with a large belt wheel through fastening screws, the connecting frame is composed of two semicircular structures, gears are fixed at the two ends of the semicircular structures, the two semicircular structures are meshed with each other, an adjusting knob is fixedly connected with the gear of one semicircular ring structure, a magnetic pole frame is fixed at one end and the middle vertex of the semicircular annular structure, and a magnetic pole is arranged on the magnetic pole frame. The device and method have the advantage that pipe parts with scratches, pits, creases, micro cracks and other defects on the surfaces can be efficiently ground and polished.

The invention relates to a grinding device, in particular to a grinding device for manufacturing brake pads. The technical problem to be solved by the present invention is to provide a grinding device for manufacturing brake pads that can grind iron palms in batches, can remove dust during the grinding process, and has high grinding efficiency. In order to solve the above technical problems, the present invention provides such a grinding device for brake pad manufacturing, which includes a bottom plate, a collection frame, a support seat, a left frame, a dust removal mechanism, a top plate, a left and right moving mechanism, etc.; Frame, a support seat is installed in the middle of the top of the bottom plate, a placement plate is connected to the support seat, a placement slot is opened on the placement plate, a dust removal mechanism is connected to the support seat, and a left frame is installed on the left side of the top of the bottom plate. The invention controls the operation of the left and right moving mechanism and the forward and backward moving mechanism, so that the device can be polished in batches, and the dust generated in the grinding process is cleaned by the dust removal mechanism, thereby improving the grinding efficiency.

The invention relates to the technical field of pipeline machining, in particular to a pipeline grinding device for building construction. The device comprises a motor, the motor is fixedly connectedto a bottom plate through an electric machine frame, one end of a driving shaft is connected to an output shaft of the motor through a coupler, and the other end of the driving shaft is fixedly connected with a driving belt wheel I, a driving belt wheel II is fixedly connected to the middle end of the driving shaft, the driving belt wheel II is in transmission connection with the driven belt wheelI through a belt, the driven belt wheel I and a driven belt wheel II are fixedly connected to the two ends of a driven shaft respectively, the middle end of the driven shaft is rotationally connectedto a shaft frame plate through a belt seat bearing. According to the pipeline grinding device, the pipeline can be driven to rotate during working, so that the pipeline can be conveniently turned over, all-directional polishing of the pipeline can be realized through reciprocating movement of a grinding plate, the grinding efficiency and the grinding quality of the pipeline are improved, the manual operation is reduced, the working intensity of workers is reduced; the device can be applied to the grinding of pipelines with different pipe diameters, and the grinding speed can be adjusted by adjusting the pressure between the pipeline and the grinding plate.

The invention discloses a dry-wet combination method to prepare superfine calcined kaolin. After grinding by dry method, the kaolin raw ore grains are classified according to the grain size. The superfine with the grain greater than 1250 meshes can be made into a finished product by direct calcination. While for the meal with the grain less than 1250 meshes, dispersing agent, intercalation agent, and whitening agent can be added simultaneously under wet grinding, so as to improve the grinding efficiency, shorten the grinding time, and reduce the energy consumption during grinding process, as well as improve the mixing effect of the whitening agent and the kaolin. The meal scattered and dried after grinding, is sent into rotary kiln for calcinations. The kaolin is grinded again after calcination by wet grinding method. The dispersing agent and modifying agent are added simultaneously, to combine the superfine grinding and the modifying of product simultaneously. The modified powder is grinded to obtain the other finished product after drying and scattering. The invention allows superfine calcined kaolin with different specification during the same production line by the control of the process condition, thus reducing the working procedure, improving the added value of product, broadening the application field and product performance, so as to meet the requirements of different customers.

The invention discloses a grinding device for traditional Chinese medicine in traditional Chinese medicine department. The grinding device comprises a shell, wherein the shell comprises an upper machine body and a lower machine body; a drive motor is arranged at the top of the upper machine body, and a feed inlet is formed in one side of the drive motor; a mechanical seal is arranged at the top end of the upper machine body in an embedded mode; a rotating shaft is arranged in the mechanical seal in a penetrating mode; a rotating roller is arranged at the bottom end of the rotating shaft, and agrinding toothed ring is arranged on the outer wall of a rotating drum; the inner part of the rotating roller is vacuum-arranged; a connecting shaft is arranged at the bottom end of the rotating roller; and a lantern ring sleeves the connecting shaft. According to the grinding device, medicinal materials are ground by utilizing the isosceles trapezoid-designed rotating roller and the grinding toothed ring spirally arranged on the outer wall of the rotating roller in cooperation with revolving threads on the inner wall of the upper machine body, so that the medicinal materials are stressed andcompressed together, and the medicinal herbs are slowly ground to the lower part of the upper machine body under the action of the rotating rotating roller and the revolving threads, so that the phenomenon that the medicinal materials cannot be continuously ground due to being stuck at the top of the rotating roller is avoided, and the grinding efficiency is improved.

The invention provides a TiC steel-bonded cemented carbide, which contains 54.0-60.0 wt% of a hard phase TiC and 46-40 wt% of a bonding phase high manganese steel, wherein the bonding phase contains, by weight, 4.0-6.0% of Ni, 1.5-3.0% of Mo, 13.0-15.0% of Mn, 1.0-1.3% of C and the balance being Fe. The TiC steel-bonded cemented carbide is mainly prepared by the following steps of: proportioning, ball milling, drying, compaction, sintering, and balling milling of a forming agent and the raw materials. A ball milling rod is a cemented carbide rod and the drying step is spray drying. The TiC steel-bonded cemented carbide has advantages of uniform austenite microstructure, high wear resistance, good strength and good pourability.

The invention discloses a metal pipeline notch burr grinding device for machining. The metal pipeline notch burr grinding device comprises a workbench. Two racks are symmetrically and fixedly arrangedat the bottom of the workbench. A servo motor is welded to one end of the bottom of the workbench. An output shaft at one end of the servo motor is in transmission connection with the input end of achain and gear transmission mechanism. The top of the chain and gear transmission mechanism is in transmission connection with the input end of a rotation shaft. A bearing block is fixedly arranged atone end of the top of the workbench. A push plate is used for driving a pipeline to be ground and pushed, and the to-be-ground end of the pipeline is used in cooperation with a grinding disc. Throughcooperation of threaded holes and positioning bolts, the position of a sliding block in a sliding groove is adjusted, accordingly, the metal pipeline notch burr grinding device adapts to pipelines different in diameter, and grinding of the different pipelines is convenient; a first air cylinder is started to push a pressing plate to downwards press the pipeline; and the pipeline is fixed throughcooperation of a semicircular groove and a positioning groove, the grinding efficiency is high, adaptability is high, and the metal pipeline notch burr grinding device is suitable for popularization.

The invention discloses a building wall grinding device, comprising a bottom plate, a plurality of telescopic rods are vertically fixed on the upper side of the bottom plate, a supporting plate is horizontally arranged on the telescopic rods, a first positioning column is located on the left side of the second positioning column, and a third positioning column is located on the left side of the second positioning column. A positioning column and a second positioning column are arranged perpendicular to the side of the vertical plate; a side of the vertical plate away from the first positioning column and the second positioning column is pivotally hinged with a rotating shaft, and the casing is on the same side as the first positioning column and the second positioning column. The surface is hinged with a sliding sleeve, and the sliding sleeve is slidably provided with a sliding shaft; the structure of the invention is ingenious, and the expansion and contraction of the telescopic hydraulic cylinder can realize the adjustment of the grinding thickness of the wall by the sand board, and under the elastic force of the limit spring, the grinding The process has a good buffering and shock absorption effect, and the angle of the sleeve can be adjusted by pulling the handle, which can not only grind the vertical wall, but also grind the top wall. It has high performance and greatly improves the wall grinding efficiency of the present invention.

The invention discloses an intake pipe processing equipment for an engine air intake system. According to the invention, the batch processing of intake pipes can be effectively realized. The intake pipe is placed on a positioning and locking mechanism on a processing table, and can be automatically positioned by a positioning mechanism of the positioning and locking mechanism and locked by the locking mechanism, and a grinding processing mechanism is started to extend and grind the inner wall of the intake pipe; a grinding head assembly is arranged at the end of a flexible feeding rod of an axial feeding mechanism in a way that the angle of an universal ball hinge can be adjusted, so as to effectively enable the grinding head assembly and the flexible feeding rod to adapt to the arc of theintake pipe; the intake pipe processing equipment can adapt to the grinding of different inner wall diameters of different parts of the intake pipe, the grinding is thorough, and the versatility is high; at the same time, the pressing force of the grinding can be controlled by an ejector cylinder, which is simple and convenient; and by utilizing the design of an elastic positioning piece of the locking mechanism, the intake pipe can be positioned and locked under the pressing effect of a locking pressing seat.

The invention relates to steel pipe precise machining equipment, in particular to an automatic steel pipe interior and exterior integrated grinding system. The synchronous grinding of the inner wall and the outer wall of a steel pipe is achieved, moreover, due to the rotating of the steel pipe, the circumferential speed difference of rotation of the steel pipe and rotation of a steel pipe outer wall grinding device and a steel pipe inner wall grinding device is increased, and the grinding efficiency is greatly improved. The automatic steel pipe interior and exterior integrated grinding systemcan be suitable for grinding of steel pipes with different pipe diameters, and it does not need to change a grinding head. Meanwhile, the automatic steel pipe interior and exterior integrated grindingsystem is simple in structure, low in cost and high in grinding efficiency and greatly meets the production requirements of steel pipe grinding.

The invention discloses a formula of a composite liquid cement grinding aid, comprising the following components by weight percentage: 5-30% of triethanolamine, 5-25% of triisopropanolamine, 1-20% of polyols, 1-10% of sodium hexametaphosphate, 0.1-1% of a surface active agent, 0-0.5% of a PH regulator and the balance of water. The preparation method of the composite liquid cement grinding aid comprises steps of: adding sodium hexametaphosphate into a closed container containing water with stirring; after complete dissolution of the sodium hexametaphosphate, successively adding triethanolamine, triisopropanolamine, polyols and the surface active agent, and continuing to stir for 15-20 min; and controlling the pH value of the solvent at 7.5-8.5, and standing for 30-40 min. The formula and preparation method of the composite liquid cement grinding aid disclosed by the invention have advantages of simple production process, wide adaptability, good adaptability with concrete admixtures, and capability to improve the flexural strength and compressive strength of cement.

The invention discloses fixing and rust-removing equipment for steel tubes of different tube diameters. The fixing and rust-removing equipment comprises a triangular clamping assembly, a drive assembly and a grinding rust-removing assembly, wherein the triangular clamping assembly comprises a bottom supporting regulating assembly and a top pressing assembly; the bottom supporting regulating assembly and the top pressing assembly can perform position regulation according to diameters of the steel tubes and can clamp the steel tubes in a triangular mode; the drive assembly is used for driving aroller body in the triangular clamping assembly to rotate, so that the steel tubes are driven to rotate; the horizontal plane on which the lowest position of a guide roller I and the lowest position of a guide roller II are located is slightly higher than the horizontal plane on which the lowest position of a supporting transmission roller I; after position regulation is performed on the supporting transmission roller I and a supporting transmission roller II, a transmission belt still can drive the supporting transmission roller I and the supporting transmission roller II to rotate; and the grinding rust-removing assembly is arranged at one side of the triangular clamping assembly for grinding the surfaces of the steel tubes. The equipment can replace labor power to grind, improves grinding efficiency and relieves workload of a worker.

The invention discloses a hardware pipe fitting surface polishing device. A supporting base is included. The top end of the supporting base is fixedly provided with a supporting frame, a first vertical plate and a second vertical plate. A sliding block is arranged between the first vertical plate and the second vertical plate in a sliding manner. An installing groove is formed in the top end of the sliding block. A vertically-arranged first air cylinder is fixedly arranged in the installing groove. An output shaft of the first air cylinder is fixedly provided with a grinding machine. A first threaded rod is rotationally arranged between the first vertical plate and the second vertical plate. The sliding block is provided with a first threaded hole. The first threaded rod penetrates throughthe sliding block via the first threaded hole. The supporting frame is rotationally provided with a rotation shaft. The supporting frame is further fixedly provided with a rotation shaft drive mechanism. One end of the rotation shaft is fixedly connected with a rotation disc. The hardware pipe fitting surface polishing device is ingenious in structure and convenient to use, a plurality of pipe fittings can be rapidly fixed at the same time, the effects of automatic pipe fitting replacement and continuous grinding are achieved, the grinding efficiency is greatly improved, the pipe fittings cannot swing in the grinding process, and the grinding effect is better.

The invention relates to a device for tablet powder-grinding and mixing of the technical field of medical care. The device comprises a working table, wherein an F-shaped frame is disposed on the working table; the F-shaped frame is provided with a driving motor; the driving motor is provided with a gear ring; the F-shaped frame is provided with a slide plate; the slide plate is provided with a straight groove; the straight groove is provided with a tooth block; the slide plate is provided with an installation frame; the installation frame is provided with a grinding motor; the grinding motor is provided with a movable connecting structure; the movable connecting structure is provided with a polygonal rod; the polygonal rod is provided with a round plate; the round plate is provided with asecond spring; the second spring is provided with a grinding disk; the grinding disk is provided with a casing; the casing is connected to the polygonal rod; the grinding disk is provided with a medicine powder loosening structure; the F-shaped frame is provided with a U-shaped frame; the U-shaped frame is provided with a first spring; the first spring is provided with a first bolt; the first boltis provided with a grinding cylinder; and the grinding cylinder is provided with a smashing groove. The device provided by the invention has the beneficial effects that powder grinding efficiency ishigh; after powder grinding, powder-shaped medicines on the bottom of the smashing groove is stirred by an inverted T-shaped scraping plate, so the medicines can be mixed again, and uniformity is enhanced; and adhesion of the medicines on the bottom of the smashing groove can be avoided.

The invention relates to a built-out powder concentrator type vertical mill combined grinding system adopting a non-metal grinding medium. The built-out powder concentrator type vertical mill combined grinding system adopting the non-metal grinding medium is characterized by comprising a material distribution bin, a weighing scale, a feeding lifting machine, a vertical mill, a V-shaped powder concentrator feeding lifting machine, a V-shaped powder concentrator, a buffering bin, an efficient powder concentrator, a system dust collector, a system draught fan, a chimney, a first finished-product conveying chute, a ball mill, a mill tail lifting machine, a second finished-product conveying chute, a mill tail dust collector and a mill tail dust collection draught fan, wherein the material distribution bin, the weighing scale, the feeding lifting machine, the vertical mill, the V-shaped powder concentrator feeding lifting machine, the V-shaped powder concentrator, the buffering bin, the efficient powder concentrator, the system dust collector, the system draught fan, the chimney, the first finished-product conveying chute, the ball mill, the mill tail lifting machine, the second finished-product conveying chute, the mill tail dust collector and the mill tail dust collection draught fan are sequentially connected. The built-out powder concentrator type vertical mill combined grinding system adopting the non-metal grinding medium can stabilize operation of the vertical mill, adjust the cement grain size grading, relieve the ball coating phenomenon in the mill, improve the grinding efficiency in the mill, lower the noise of the ball mill in the operation process, reduce the pollution to finished products, reduce the unit power consumption and improve the performance of finished cement.

The invention relates to a traditional Chinese medicinal material grinding device and particularly relates to a traditional Chinese medicinal material grinding device for medical treatment. The invention aims to provide the traditional Chinese medicinal material grinding device for medical treatment good in grinding effect, high in grinding efficiency and labor-saving and time-saving. In order to solve the technical problem, the invention provides the traditional Chinese medicinal material grinding device for medical treatment. The traditional Chinese medicinal material grinding device for medical treatment comprises a bottom plate, a left side plate, a right side plate, a top plate, a slide rail, a slide block, a grinding groove, a baffle plate, a first connecting rod, a second connecting rod, a magnet, an iron block, a handle, a first motor and the like; the left side plate, the slide rail and the right side plate are successively arranged on the upper portion of the bottom plate from left to right; a top plate is connected between the tops of the left side plate and the right side plate; the slide block is slidably arranged on the upper portion of the side rail; the grinding groove is formed in the upper portion of the slide block; the baffle plate is arranged on the lower portion of the left side plate; and the bottom of the baffle plate is connected to the bottom of the left side plate in a hinged manner. The traditional Chinese medicinal material grinding device for medical treatment provided by the invention achieves effects of good grinding effect, high grinding efficiency and labor and time saving.

The invention discloses a multistage grinding device for traditional Chinese medicinal materials. The device comprises a base and a rack. A lifting rack is arranged on the inner side of the rack, a grinding cone is fixedly mounted at the bottom of the lifting rack, a grinding table is arranged on the base, the lower side of the grinding table is rotatably mounted on the base through a rotating shaft, and a grinding groove matched with the grinding cone is formed in the upper side of the grinding table; two grinding cavities are symmetrically formed in the inner side of the lower part of the grinding table, grinding rollers are rotatably mounted in the grinding cavities, the upper sides of the grinding cavities are communicated to the inner parts of the grooves and the lower sides of the grinding cavities are communicated to the outer side. The device grinds the traditional Chinese medicinal materials primarily by matching the grinding cone which moves up and down continuously with thegrinding table which rotates intermittently clockwise and anticlockwise and further grinds the traditional Chinese medicinal materials through the grinding rollers, so that the device is not only is high in grinding efficiency, but also is excellent in grinding effect.

The invention discloses a fixing device of a grinding machine for a diesel engine accessory cylinder liner. The fixing device comprises an operation table, wherein the top of the operation table is provided with a sliding groove; two ends of the inner cavity of the sliding groove are separately provided with a sliding block and a reset spring; two ends of each reset spring are separately connected with the inner wall of the sliding groove and the corresponding sliding block; the top of each sliding block is connected with a connection block; the top of each connection block is connected with a first object storage box; a first motor is arranged in each first object storage box; one side surface of each first object storage box is connected with a connection plate; the output shaft of each first motor penetrates through the corresponding first object storage box and is connected with the corresponding connection plate; two second object storage boxes are arranged on the top of the operation table; and two second object storage boxes are separately located on the left and right sides of the sliding groove. According to the fixing device of the grinding machine for the diesel engine accessory cylinder, second motors, cable clamps, ropes, the connection blocks, the connection plates and the first motors are matched, so that the effect that the cylinder liner is rotatably ground after being fixed is reached, and the grinding efficiency is improved; and fixing dimensions can be regulated, so that the fixing device is applicable to cylinder liners of different shapes and dimensions.

The invention discloses an aerated concrete prepared from copper smelting water quenching slag and titanium white slag. The invention is characterized in that the aerated concrete is composed of the following components in percentage by mass: 20-50% of copper smelting water quenching slag, 14-17% of quicklime powder, 15-45% of quartz sand, 10-15% of cement clinker, 3-6% of titanium white slag, 0.06-0.1% of aluminum powder, 0.05-0.1% of foam stabilizer, 0.3-1% of water reducing agent, 1-2% of modifier, and water which is 0.3-0.5 time of the total components above. The invention aims to successfully apply the industrial waste residue copper smelting water quenching slag, titanium white slag and other industrial wastes to the aerated concrete industry, thereby solving the problems of waste of resources and environmental pollution to some extent.

The invention discloses a cutting and grinding device for construction of a decorative sheet. The cutting and grinding device can rapidly grind the upper and lower surfaces of the decorative sheet atthe same time and has high grinding efficiency; meanwhile, the decorative sheet is supported on a clamping and positioning guide assembly, and during grinding, the decorative sheet can be ground and moves by simply pushing the decorative sheet to move in the length direction by hands; when the decorative sheet is ground to a required length, the well ground decorative sheet with a length in required specification can be obtained by simply cutting the decorative sheet with a cutting assembly, and during grinding, the decorative sheet is supported stably, moves stably and can be ground and cut rapidly; meanwhile, the clamping and positioning guide assembly can adapt to clamping and grinding of decorative sheets with different thicknesses; moreover, the cutting and grinding device can also beadjusted according to the width of the decorative sheets and adapt to requirements of the decorative sheets with different widths. The cutting and grinding device is high in adaptability and suitablefor construction sites of multiple decorative sheets.

The invention provides a cement compound type grinding aid which is high-efficient cement grinding aid integrating grinding and enhancement. The cement compound type grinding aid comprises the following compositions in percentage by weight: 10-20% of modified triethanolamine, 10-15% of triethanolamine, 20-30% of triisopropanolamine, 10-15% of glycerinum, 10-15% of sodium humate, 1% of low-molecular-weight fatty salt and 20-30% of clean water. According to the cement compound type grinding aid, the grinding efficiency of a cement grinding technology and the purification of the working environment in a manufacturing shop can be effectively improved, and the cement compound type grinding aid has the characteristics of lowering the production cost and effectively optimizing the properties of cement.

The invention discloses a vacuum pump piston ring finish machining process, and relates to the technical field of machining. The vacuum pump piston ring finish machining process is completed through cooperation of a vacuum pump piston ring finish machining device, the vacuum pump piston ring finish machining device comprises a base horizontally fixed to the ground, supporting legs erected at the top end of the base are symmetrically arranged on the two sides of the top end of the base, a horizontally-fixed top supporting plate is arranged at the top ends of the supporting legs on the two sides, the two ends of the top supporting plate are fixedly connected with the top ends of the supporting legs on the two sides, a downwards-through shaft hole is formed in the middle of the top end of thetop supporting plate, and an annular clamping groove is formed in the inner wall of the shaft hole of the top supporting plate. According to the vacuum pump piston ring finish machining process, through cooperation of outer clamping and inner clamping, the outer wall of a vacuum pump piston ring and the inner wall of the vacuum pump piston ring are ground in the one-time clamping process of the vacuum pump piston ring, and the grinding practicability of the device is improved.