41results about How to "Stable feed rate" patented technology

The invention discloses an automatic feeding saw for a building aluminum formwork. The automatic feeding saw comprises a feeding mechanism and a sawing mechanism. The feeding mechanism comprises a feeding frame mounted at the bottom, and a feeding machine head is mounted on the upper side of one end of the feeding frame. The feeding machine head is driven by a servo motor and subjected to closed-loop control through a magnetic railing ruler. The sawing mechanism is mounted at the other end of the feeding frame, and a dust collector is mounted beside the sawing mechanism. A discharging frame ismounted at the discharging end of the sawing mechanism, and an electric control cabinet is mounted beside the discharging frame. The feeding mechanism, the sawing mechanism and the dust collector areelectrically connected with the electric control cabinet. The automatic feeding saw for the building aluminum formwork is sawing equipment for the building aluminum formwork, a cut-off function is achieved, the automatic feeding mechanism is arranged, and the automatic feeding size is precise. The problem that original workpieces sawn by manual operation are unqualified is solved, the feeding speed is high, and the machining efficiency is high.

The invention provides a high temperature pickup manipulator with fingers. The positions of the fingers are adjustable; the finger feed is controlled by air cylinders. The fingers are used for clamping and fetching work pieces. The fingers are provided with gaskets used for lifting the work pieces. A baffle plate is arranged between the work pieces and the air cylinders and the like. The baffle plate isolates the work pieces and the air cylinders and the like above the work pieces, so that high-temperature work pieces are prevented from burning upper members. The high temperature pickup manipulator is arranged on a telescopic arm which drives the manipulator to perform feed movement; the telescopic arm is a two-stage telescopic arm, wherein the first-stage telescopic arm drives the second-stage telescopic arm to move at higher speed via a belt. The telescopic arm is simple in structure, small in size and high in moving speed.

The invention relates to a one-casting-multiple-yielding casting method of thin-walled framework castings. The method comprises the steps: 1) die making; 2) sand core making; 3) sprue runner setting;4) casting forming, wherein the strength of a sand core is controlled to 0.8MPa to 0.9MPa in the step 2); the strength of external shape forming sand is controlled to 0.9MPa to 1.1MPa in the step 3);the requirements on casting fluid ingredient and casting fluid temperature during casting in the casting forming in the step 4) are as follows: casting fluid is prepared from chemical ingredients in percentage by weight: 3.65% to 3.80% of C, 2.20% to 2.65% of Si, less than or equal to 0.30% of Mn, less than or equal to 0.04% of P, less than or equal to 0.012% of S, 0.035% to 0.06% of Mg, less thanor equal to 0.02% of RE, 4.50% to 4.65% of CE and the balance of Fe; the addition of a nodulizer is 1.2% to 1.30%, and the addition of an inoculant is 0.8% to 1.0%; the temperature of the casting fluid is 1,350 DEG C to 1,380 DEG C. According to the method, the production efficiency of the thin-walled framework castings can be increased while the rate of finished products of the thin-walled framework castings is increased, and the castings are free of white microstructure and defects of shrinkage porosity, slag inclusion and the like.

The invention discloses a cable winding machine cable feeding device. The cable feeding device is connected to a winding machine. The cable feeding device comprises a cable feeding roller set and a cable feeding guiding device. The cable feeding guiding device is connected with the front end of the cable feeding direction of the cable feeding roller set. The cable feeding guiding device comprises a cable feeding guide pipe, a cable feeding clamp and a sliding and pushing structure. A cable penetrates through the cable feeding guide pipe, the cable feeding clamp is connected to the front end of the cable feeding guide pipe, and the cable feeding guide pipe is connected to the sliding and pushing structure. The sliding and pushing structure comprises a sliding base, a sliding groove and a driving structure, the sliding base is connected into the sliding groove in a sliding mode, the cable feeding guide pipe is connected to the sliding base, and the driving structure is connected with the sliding base. The cable feeding guide pipe can directly convey the cable to a required position in a directed mode, the cable feeding clamp can clamp the cable to prevent falling, the sliding and pushing structure is a whole so that the cable feeding clamp cannot become loose during feeding, accordingly the cable is kept clamped in the cable conveying process and is prevented from being loosened midway, and machining efficiency is not influenced.

The invention discloses an automatic magnetic steel countersinking machine, in which a power distribution box cabinet and a water tank cabinet are arranged in the frame, a console and a drilling machine are arranged on the frame, and a vibrating plate is arranged on the frame, and the vibrating plate and the direct The entrance of the vibration slideway is connected, and a bracket is fixed on the frame. The bracket is equipped with a feeding mechanism, a workpiece clamping mechanism and a material unloading mechanism. The two clamping blocks of the workpiece clamping mechanism are set under the drilling rig, and the ends of the clamping blocks are respectively provided with V-shaped grooves. The slide plate of the unloading mechanism is set under the clamping block. It goes through the baffle and extends under the clamping block. There is a feeding port under the clamping block on the bracket, and a feeding slideway is fixed on the frame. The inlet of the feeding slideway is located below the feeding port. The rod is connected to the servo motor. The utility model has the advantages that the structure is reasonable, and the automatic centering of the magnetic steel and the automatic cleaning of debris can be realized.

The invention discloses a process for preparing 1,1,1-trifluoroethane and 1,1,1-difluorochloroethane by using vinyl chloride and waterless hydrogen fluoride as the raw material, characterized in that, two liquid phase fluorine reaction kettles are employed for tandem reaction, the first reaction kettle uses one or two of SnCl4, TiCl4 as catalyst, while the second reaction kettle uses one or more from SbCl5, TaCl5, TaF5, NbCl5 as catalyst, which make the HF react completely.

The invention relates to an alkoxy hydrosilane single-tower reaction industrial preparing technology and belongs to the technical field of fine chemical engineering. The alkoxy hydrosilane single-tower reaction industrial preparing technology comprises the steps that hydrogen-containing monomers and alcohol serve as the raw materials, and a reaction is carried out under the gas and liquid alcohol bi-directional esterification condition to synthesize an alkoxy hydrosilane product. According to the alkoxy hydrosilane single-tower reaction industrial preparing technology, a single tower is adopted, the esterification technology of feeding gas alcohol in a lower tower body, feeding the hydrogen-containing monomers in a middle tower body and feeding liquid alcohol in an upper tower body is carried out, quasi-continuous production can be achieved through an overflow kettle, the mass ratio is strictly controlled in the production process, the equal mole reaction of the two reaction materials is ensured, and thus various side reactions are reduced to the maximum. The method overcomes many defects of an existing preparing method of alkoxy hydrosilane, the production efficiency is effectively improved, and the demand for alkoxy hydrosilane by the market is met.

The invention discloses a sanding belt automatic feeding mechanism comprising a feeding air cylinder, a feeding rack, a winding box, a long wheel gear, two short wheel gears, a feeding fan-shaped wheel gear, a fixed shaft and a feeding shaft, wherein the long wheel gear, the two short wheel gears, the feeding fan-shaped wheel gear, the fixed shaft and the feeding shaft are all located inside the winding box. The fixed shaft penetrates through the long wheel gear and is fixed at the front end of the winding box, wherein unidirectional needle bearings II are installed at two ends of the long wheel gear. The feeding shaft sequentially penetrates through one of the short wheel gears, the feeding fan-shaped wheel gear and the other short wheel gear and is installed at the middle portion of the winding box, wherein a unidirectional needle bearing I is installed on one of the short wheel gears, a unidirectional needle bearing III is installed on the feeding fan-shaped wheel gear and a unidirectional needle bearing I is installed on the other short wheel gear. The two short wheel gears are meshed with the long wheel gear simultaneously. The air cylinder is fixed on the outer side of the rear end of the winding box. The feeding rack is installed at the front end of the feeding air cylinder, located above the winding box and meshed with the feeding fan-shaped wheel gear. According to the sanding belt automatic feeding mechanism, not only manual feeding but also automatic feeding can be achieved. The sanding belt automatic feeding mechanism has the advantages of being convenient to operate, stable in feeding rate, reasonable in structure and easy to manufacture.

The invention relates to biomass gasification equipment mainly comprising a gasification furnace, a spray washing chamber, a condensing chamber, a filtering chamber, a liquid separating pool and a gas storage pool. The biomass gasification equipment is used for carrying out the purification treatment on a gasified gas of the gasification furnace by adopting spraying, washing, condensing and filtering integral type equipment, stably and continuously pressing the materials by matching with a material pressing mechanism inside the gasification furnace, emitting the carbon in time by matching with upper and lower water-cooling dischargers and upper and lower carbon emission strobes inside the gasification furnace, effectively eliminating the tar contained in the gas by matching with multi-layer labyrinth type washing inside the spray washing chamber, filtering the gas by matching with a biomass filter core inside the filtering chamber, finally collecting the side products through the liquid separating pool and storing the gas through the gas storage pool, can continuously and stably supply the gas and effectively utilize various biomass resources, has high purity of the supplied gas, high yield of the biomass gasification gas and the side products and high resource utilization rate and is suitable for centralized gas supply within a regional range with sufficient biomass resources.

The invention provides a cutter applicable to linear cutting operation. The cutter comprises a transmission mechanism which is in a shell and is driven by a motor to perform rotational motion and linear feeding motion, and a cutting assembly which is arranged on one side of the transmission mechanism and is driven by the transmission mechanism to rotate at a high speed. The cutter is characterized in that while an outer shaft and a rotating shaft on the inner and outer sides of a screw drive shaft arranged on the transmission mechanism cooperate to drive the cutting assembly arranged on one side of the transmission mechanism to rotate at a high speed, linear feeding motion is achieved. According to the cutter applicable to linear cutting operation, the structure is simple, different forms of cutting operation can be implemented, and safety is improved.

The invention relates to the technical field of sawing equipment, in particular to a vertical sawing machine, which includes a bed, a saw frame, a tooling table, a clamping unit, a motor and a controller; Saw frame; the left and right sides of the upper part of the bed are provided with mounting bases; two parallel lead screws are arranged between the mounting bases; the tooling table is driven by the lead screw to adjust the feeding position on the bed; Because during the sharp cutting process of clamping a long irregular workpiece, the feed movement of the tooling table and the vibration of the clamping block when sawing the workpiece will destroy the clamping effect, thereby affecting the machining accuracy of the sawing machine; therefore, The present invention strengthens the clamping effect on irregular long workpieces by setting the adjustable pressure block on the clamping block, and through the tooling table installed on the lead screw pair, cooperates with the precise control of the controller to stabilize the clamping force. The feed rate of the workpiece during sawing improves the machining accuracy of the sawing machine.

The invention relates to the technical field of feeding setting, in particular to a rotation rationing feed device and a metering method thereof. The rotation rationing feed device comprises an outer shell, a rotating wheel, a feed port and a discharge port, wherein the rotating wheel is arranged in the outer shell in a rotatable mode, the rotating wheel is provided with a plurality of blades arranged evenly, the feed port and the discharge port are formed in the outer shell, and sector spaces containing materials are formed between every two adjacent blades. The rotation rationing feed device further comprises a weighing device, the connecting lines of the supporting points of the feed device are located on one side of the center of equipment, the weighing device is arranged on the other side of the center of the equipment, and the weighing device is located on the central line of the connecting lines of the supporting points. According to the metering method of the rotation rationing feed device, weighing and calculation are carried out on the materials in each sector space, adjustment on the rotating speed of the rotating wheel is carried out aiming at the materials in each sector space, the metering accuracy of rotation type rationing feed equipment can be improved effectively, and the stability of the instant feeding rate is guaranteed.

The invention relates to a cutter feeding mechanism of high-efficiency heat exchange tube processing equipment. The cutter feeding mechanism is characterized by comprising a cutter mounting shaft (9), a cutter connecting piece (8), a sleeve (7), a screw rod (6), a connecting flange (12), a screw rod connecting block (5) and a sleeve connector (4), wherein one end of the sleeve connector (4) is connected with an output shaft of a power device, and the other end of the sleeve connector (4) is connected with the screw rod connecting block (5); one end of the screw rod (6) is connected with the screw rod connecting block (5), and the other end of the screw rod (6) is screwed into a threaded end (14) of the cutter connecting piece (8) by a thread (17) at the end of the sleeve (7); the threaded end of the cutter connecting piece (8) is inserted into the sleeve (7) and only axially moves in a straight line in the sleeve (7); the cutter mounting shaft (9) is arranged on the end, outside the sleeve (7), of the cutter connecting piece (8); a cutter (11) is arranged on the cutter mounting shaft (9); and the connecting flange (12) is fixed on the sleeve (7) and is connected with the power device by a fixed flange (13). The cutter feeding mechanism is simple in structure and convenient to adjust, and can be used for adjusting and processing high-efficiency heat exchange tubes such as a corrugated tube in a full-automatic way so as to obtain high-accuracy and high-efficiency heat exchange tubes.

The invention provides a processing device for an elevator steel cable groove which can renovate and process the steel cable groove used for driving a steel cable wheel in a short time, and can prevent the service quality of the elevator from decreasing. The invention is provided with a mounting part (8) which is demountably arranged on a fixing rack (5) of the elevator, a processing part (9) which is arranged at the opposite position of the steel cable groove part of a main steel cable (2) being used for suspension hanging the case of the elevator and being positioned inside the steel cable groove (4a) of a driving steel cable wheel (4), and a movable bearing part (13) which is arranged on the mounting part and used for bearing the processing part and which can move along the rotating axle direction and the radius direction of the driving steel cable wheel. The processing part is provided with a rotary grinding wheel (10) which is used for grinding and processing the steel cable groove. The rotary axle (16) of grinding wheel forms an angle of about 30 degrees with a tangent (17) starting from the processing point of the driving steel cable wheel.

The invention discloses multifunctional mining equipment for plaster stone. The multifunctional mining equipment comprises a walking part, a power assembly and a control assembly, wherein the power assembly and the control assembly are arranged on the walking part; a mining part is arranged at the front end of the walking part; a work drilling mechanism used for hole drilling is arranged on the walking part; the mining part comprises a tunneling mechanism and a slag crushing mechanism; the tunneling mechanism comprises a tunneling support frame, a tunneling head arranged on the tunneling support frame and a tunneling motor used for providing power for the tunneling head; the slag crushing mechanism comprises a slag crushing support frame and two groups of crushing rollers arranged on the slag crushing support frame; a bucket is arranged on the front side wall of the walking part; one end of the slag crushing support frame is hinged onto the bucket; and at least one connecting arm is hinged between the middle parts of the slag crushing support frame and the tunneling support frame. The multifunctional mining equipment has the advantages that on the basis of tunneling functions of atraditional tunneling machine, hole drilling and timely crushing functions are added, so that the mining operation on rock stratums with different cross sections and hardness can be realized; and themineral product yield is ensured.

The invention provides a tri-spindle synchronizer, which is characterized in that sliding bearings are respectively arranged on positions corresponding to a front end cover and a rear end cover; two ends of a drive shaft and a driven shaft which are arranged in parallel are arranged in the holes of the sliding bearing; three oil cavities and two clapboards are fixedly arranged between the front end cover and the rear end cover, and the clapboard is arranged between the oil cavities; an oil inlet is arranged in the middle oil cavity, and an oil outlet is respectively arranged on the other end of each of the oil cavity; an oil cavity passes through all the oil cavities and the clapboards and is communicated with the oil inlet; three drive wheels are arranged on the drive shaft, three driven wheels which are engaged with the drive wheels correspondingly are arranged on the driven shaft, and one pair of engaged gears are arranged in one oil cavity; and each oil cavity is provided with a high-pressure cavity and a low-pressure cavity.