160results about How to "Improve sawing efficiency" patented technology

The invention relates to an intelligent sawing band sawing machine. On the basis of the variable-frequency driver of a saw disc, a driving torque detecting device, a saw blade tension detecting device and an electro-hydraulic servo feeding device are added to a common numerical control band sawing machine, wherein the driving torque detecting device consists of an output current interface of the variable-frequency driver of the saw disc and an AD (analog-digital) conversion unit; the saw blade tension detecting device consists of a pressure sensor of a saw blade tension hydraulic cylinder and an AD conversion unit; and the electro-hydraulic servo feeding device consists of a displacement sensor of the saw frame feeding hydraulic cylinder, a whole machine controller, a three-position four-way electro-hydraulic proportional valve and a driving amplification circuit board. Therefore, the sawing power born by a band saw blade in the whole sawing process is constant, and the sawing efficiency of the sewing machine and the service life of the band saw blade are improved.

The invention discloses a square tube multi-angle saw cutting machine. The square tube multi-angle saw cutting machine comprises a rotary saw cutting machine head, a feeding conveyance device and a discharging device. The rotary saw cutting machine head comprises a machine box. A saw cutting platform is arranged at the upper end of the machine box. A rotating box body driven by a rotating servo motor is installed inside the machine box in a rotating mode. A lifting pedestal driven by a lifting power device is installed inside the rotating box body. A saw blade is installed on the lifting pedestal in a rotating mode. A through hole is formed in the rotating box body. The saw cutting platform is provided with an upstream positioning clamp and a downstream positioning clamp. The upstream positioning clamp and the downstream positioning clamp transversely clamp a square tube and position the same side face of the square tube. The saw cutting platform is vertically provided with an upper pressing plate used for tightly pressing the square tube from the upper side in a sliding mode, the upper pressing plate is driven by an upper pressing power device, and the bottom of the upper pressing plate is detachably provided with an upper cushion block. The square tube multi-angle saw cutting machine is reasonable in structure, the saw cutting angle can be adjusted by rotating the angle of the saw blade, and thus the square tube can be sawed from different angles.

The present invention proposes a control method and control system for a numerically controlled sliding table saw, comprising the following steps: A. Obtain parameter information of plates to be cut and each finished small plate; B. Obtain typesetting scheme; C. Automatically drive the ruler to be cut according to the typesetting scheme Plate cutting operation. The present invention realizes the precise positioning of the right side ruler automatically through typesetting, improves the sawing efficiency of the numerical control sliding table saw, greatly saves manpower and reduces the cost.

The invention relates to a computer numerical control saw which comprises a frame, a working table, an electric control cabinet, wherein the working table and the electric control cabinet are arranged on the frame. A saw blade driving system, a device capable of detecting the height of feeding materials and a device capable adjusting the height of a saw blade are arranged on the frame of the computer numerical control saw, the saw blade driving system can push the saw blade to move and comprises a saw blade driving motor, the saw blade driving motor is connected with a connecting rod, the connecting rod is hinged onto a motor mounting platform, a side push cylinder is connected in the middle of the connecting rod, a rack is arranged below the motor mounting platform, rollers are parallelly arranged on two sides of the motor mounting platform, the motor mounting platform is arranged on a motor mounting beam, and sliding rails corresponding to the rollers are arranged on the motor mounting beam. The system can drive the saw blade to linearly move in a reciprocating manner, rise and fall, so that saw cutting actions are finished, and the height of the saw blade is adjusted.

The invention relates to the field of mechanical equipment for carrying out multi-piece sawing blanking on magnesium alloy sectional materials, in particular to a multi-piece automatic blanking machine. The multi-piece automatic blanking machine comprises a rack, a high-speed motor, a multi-station saw bit mechanism, a speed reducing motor, a main shaft, a first cam mechanism, a second cam mechanism, a multi-station metal sectional material fixture and an intermission mechanism, wherein the high-speed motor and the speed reducing motor are fixed on the rack, the multi-station saw bit mechanism is connected with the high-speed motor through a transmission belt, the multi-station saw bit mechanism comprises a multi-station saw bit shaft and at least two multi-station saw bits, the multi-station saw bits are arranged on the multi-station saw bit shaft, the main shaft is connected with the speed reducing motor through the transmission belt, the first cam mechanism is connected with the main shaft through a gear, the second cam mechanism is arranged on the main shaft and is connected with the multi-station sectional material fixture, and the intermission mechanism is arranged on the main shaft. The invention provides the multi-piece automatic blanking machine which has a simple structure, high efficiency and high precision and is convenient to operate.

The invention discloses a device for assisting a gantry circular sawing machine in cutting a steel plate. The device is arranged at a saw kerf close to the front end of the steel plate and comprises a supporting base, and supporting base is connected with a supporting plate; the supporting plate is provided with a wedge mechanism capable of being wedged into a steel plate sawing gap, the tail end of the wedge mechanism is connected with a propelling mechanism, and the propelling mechanism is arranged on the supporting plate; the supporting plate is connected with a lifting mechanism, one end of the lifting mechanism is connected with the supporting plate, and the other end of the lifting mechanism is connected with the supporting base; one end of the supporting plate can ascend and descend relative to the supporting base under the action of the lifting mechanism. The device for assisting the gantry circular sawing machine in cutting the steel plate can be wedged into the saw kerf in the steel plate sawing process, the width of the saw kerf is increased, and a saw blade is prevented from being extruded by materials on side edges of the saw kerf. By means of the device, steel plate sawing can be easier, the abrasion of the surface of the saw blade is reduced, the service life of the saw blade is prolonged, and the sawing efficiency is improved.

The invention provides a chain saw, which comprises a machine case, a motor arranged in the machine case, a chain wheel driven by the motor, a guide plate arranged on the machine case, a sawing chain arranged on the chain wheel and the guide plate, a sawing chain cover plate, and an anti-rebound shield including a holding part and a pivotal shaft part. The pivotal shaft part includes a stretching part. The anti-rebound shield has a first position and a second position enabling devices respectively to be in a brake state and a non-brake state, and is characterized in that a locking part is installed on the anti-rebound shield, the sawing chain includes a cooperation part, when the anti-rebound shield is arranged in the first position, the locking part is partially detached from the cooperation part, and when the anti-rebound part is arranged in the second position, the locking part is partially meshed with the cooperation part. The above structure prevents operators from accidentally removing the sawing chain cover plate when the devices are in the non-safety state, and effectively improves the security of the chain saw use.

The invention relates to a diamond circular saw web design and sawing process parameter setting method. The method includes: a model experiment is used to verify the reliability of a modal simulation analysis method; different types of diamond circular saw webs are selected, and the diameters and thicknesses of the diamond circular saw webs are used as the independent variables to perform constraint modal analysis to obtain the function relationship between the first 6 order of resonance frequency of the diamond circular saw webs and the diameters and thicknesses of the diamond circular saw webs; determining the diameters, linear cutting speed and machining rotation speed of the diamond circular saw webs and the relationship between each order of resonance frequency and the diameters and thicknesses of the diamond circular saw webs according to the size and hardness of to-be-machined materials, acquiring the relationship between excitation frequency generated during machining and the rotation speed and tooth number of the diamond circular saw webs, and setting the appropriate thicknesses and tooth number of the diamond circular saw webs to build a diamond circular saw web design and sawing process parameter constraint model under the condition that the situation that resonance and working rotation speed is smaller than critical rotation speed is avoided. The method is high in universality and applicable to the design and sawing process parameter optimization of various diamond circular saw webs.

The invention provides a band saw blade. The band saw blade comprises a saw blade body and saw teeth, wherein the saw teeth are arranged repeatedly according to a plurality of major cycles, and the major cycles follow the arrangement rule of a plurality of split tooth sub-cycles; each split tooth sub-cycle comprises N+1 teeth, the Nth tooth is a split tooth, and the (N+1)th tooth is a non-split tooth; among the N split teeth, the (1+3k)th tooth is a non-split tooth, and the rest are split teeth, specifically, k is a natural number, and the split sequences of every two adjacent teeth are different; the split amount of the second tooth and/or the third tooth and/or the (N-1)th tooth and/or the Nth tooth is greater than that of the rest of split teeth in each split tooth sub-cycle; and in each split tooth sub-cycle, the height of the first tooth is greater than that of the rest of split teeth, and the width of the (N+1)th tooth is greater than that of the rest of split teeth. Compared with related art, the band saw blade provided by the invention adopts a non-split tooth structure, so that the cutting force is reduced, the saw-cutting efficiency is improved and the precision of a section is improved in the process of saw-cutting materials difficult to process.

The invention provides a numerically controlled diamond wire saw slicing machine. The numerically controlled diamond wire saw slicing machine comprises a machine frame, a workpiece clamping feeding device and a reeling winding device and an unreeling winding device which are arranged on bilateral sides of lathe bed and guide rollers are arranged on bilateral sides of the machine frame. The numerically controlled diamond wire saw slicing machine is characterized in that diamond wires repeatedly are wound on the two guide rollers in an interval mode sequentially; a cooling lubricant nozzle which is corresponding to the diamond wires is arranged on the machine frame. The numerically controlled diamond wire saw slicing machine has the advantages of simplifying sawing technologies, improving the sawing efficiency, meanwhile avoiding sand pulp splash generating pollution to environment and effectively protecting the environment.

The invention discloses an automatic photovoltaic panel frame 45-degree sawing machine which is composed of a worktable, a motion platform, a linear guide rail, a slider, a ball screw, a slide table,a screw nut, a screw support, a motor, a rotating mechanism, a sawing mechanism, a vertical push frame, a push alignment mechanism, a fixing frame, an air cylinder, a stopping block and the like. Theautomatic photovoltaic panel frame 45-degree sawing machine has the advantages that alignment, pressing and sawing of three L-shaped photovoltaic panel frames can be achieved, and the sawing efficiency and the sawing stability are improved; the air cylinder is adopted to press a workpiece, the output force of the air cylinder is relatively large, operation is simple and convenient, and the stability of the workpiece is stable in the working process; and a worm gear and a worm are adopted for transmission, the good self-locking property is achieved, and the safety and stability of the device inthe working process are ensured.

The present application provides a clamping device for a saw blade having a main body with a saw blade slot for installing the clamped portion of the saw blade, a first locking element installed on the main body and a first reversion element for exerting a force on the first locking element. The clamping device for a saw blade may further comprise a second locking element installed on the main body having a second reversion element for exerting a force on the second locking element so that the second locking element tends to move toward the longitudinal axis of the saw blade slot. At the clamping location, the first and second locking elements clamp the saw blade. Using the saw blade clamping device of the present application results in a stable saw blade for sawing and greatly enhances sawing efficiency.

The invention provides a chain saw, which comprises a machine case, a motor, a fan, a chain wheel, a guide plate, a sawing chain and an air passage, wherein the motor is arranged in the machine case, the fan is driven by the motor, the chain wheel is driven by the motor, the guide plate is arranged on the machine case, the sawing chain is arranged on the chain wheel and the guide plate, the air passage is formed in the machine case, the first end of the air passage is near the fan, and the second end of the air passage is near the sawing chain. When an air passage mechanism of the chain saw is adopted, the sawing efficiency is improved, and the service life of the sawing chain is prolonged.

The invention discloses a fixed-length sawing and coding machine of aluminum bars. The fixed-length sawing and coding machine of the aluminum bars is arranged above an aluminum bar conveying line andcomprises a machine frame, a conveying line located below the machine frame, a swing arm component arranged on the machine frame, a support arm installed on the swing arm component, a saw cutting partfixed on the support arm and a code printing assembly. The saw cutting part comprises a fixed length assembly, a pressing assembly and a saw cutting assembly arranged at the end of the fixed length assembly, the code printing assembly comprises a character code body and a power cylinder connected with the character code body, the swing arm component comprises a driving component and a rotating component, and the driving component drives the supporting arm component to turn over and lifts the saw cutting part and the code printing assembly so as to transport the aluminum bars after sawing andcode printing. According to the fixed-length sawing and coding machine of the aluminum bars, the fixed-length sawing and coding of the aluminum bars can be carried out at the same time, the cutting length is easy to adjust, and the continuous production process of multi-specification aluminum bar saw cutting and coding is realized.

The invention discloses a steel pipe fixture for pipe saw mills, which comprises an upper clamping plate (3), a lower clamping plate (4), a left clamping plate (5) and a right clamping plate (6). The steel pipe fixture is characterized in that: the surfaces of the upper clamping plate (3) and the lower clamping plate (4), which are contacted with steel pipes (2), are cambered, moreover, the two cambers are concentric, and the difference between the diameters of the two concentric cambers is the diameter of the clamped steel pipe (2). A saw disk can simultaneously saw each of the steel pipes in a row, the downstroke of the saw disk is shortened, the sawing time is shortened, the sawing efficiency is increased, meanwhile, from the beginning to the end of steel pipe sawing by the saw disk, the area of the row of pipes sawed by the saw disk is nearly unchanged, consequently, the load change of a sawing machine is little, the impact on the saw disk is little, tooth breaking can be reduced, and the service life of the saw disk can be prolonged.

The invention discloses large aerospace shell sawing equipment and a sawing method thereof. The sawing angles for large aerospace shells are not simplex, so that a multiple-angle sawing function of asawing machine is needed. The large aerospace shell sawing equipment comprises a gantry, band saw wheels, a sawing frame, a saw band, a base, a workbench, guide chip-breaking assemblies, feeding driving assemblies, cutting direction adjusting driving assemblies, a two-axis workbench driving mechanism and a pulsation generating assembly. Each guide chip-breaking assembly comprises an oscillating guide bottom plate, an oscillating guide block, an oscillating spring, an oscillating coil and a hollow iron core, wherein the oscillating coil is wound on the hollow iron core, a suction block is arranged at the top end of the oscillating guide block, the oscillating guide block and the hollow iron core form a sliding pair, and the oscillating guide block is sleeved with the oscillating spring. Thepulsation generating assembly comprises a worm speed reducer and a pulsation generating motor. According to the large aerospace shell sawing equipment and the sawing method thereof, automatic adjusting devices enabling the sawing frame to be inclinable are designed, and the inclination angle of the sawing frame can be adjusted automatically according to sawing requirements.

The invention discloses a self-adaptation controllable vibration metal cutting device and method based on super magnetostriction. A saw frame, a vibration mechanism, a saw beam, a driving belt wheel,a driven belt wheel, a saw strip, a hydraulic cylinder and a DSP chip are included. The vibration mechanism is fixed to the lower end face of the saw beam. A left guiding arm and a right guiding arm are arranged on the two sides of the vibration mechanism correspondingly. The base is arranged at the opening position in the upper end of the shell. The lower end face of the base is connected with anamplitude changing rod through a super magnetostriction material. The amplitude changing rod penetrates through the bottom face of the shell and is connected with a bearing frame. The outer side faceof the super magnetostriction material is sequentially sleeved with an exciting coil and a permanent magnet. The driven belt wheel and the driving belt wheel are provided with a rotation speed sensorand a torque sensor correspondingly. The rotation speed sensor and the torque sensor are connected with the DSP chip. The DSP chip is connected with the vibration mechanism through a PLC. Through thesimple structure design, saw strip vibration cutting can be achieved, saw strip tooth tips can more easily cut into the materials, and cuttings can be more easily discharged.

The invention discloses a high-stability sliding table saw which is characterized by comprising a machine frame (1) of the sliding table saw. A working table top (2) and a movable table top (4) are arranged on the machine frame (1), a saw web (3) is arranged on the working table top (2), the movable table top (4) slides on the machine frame (1) through a sliding groove (5) and a guide rail (6), and the cross section of the sliding groove (5) and the cross section of the guide rail (6) are in X shapes or I shapes. According to the sliding table saw, the cross section of the sliding groove and the cross section of the guide rail are in the X shapes or the I shapes, two protruding end faces of the guide rail are matched with the sliding groove, when the sliding table saw is used, even if the guide rail is abraded, gaps between the end faces and the sliding groove are enlarged, but when the sliding groove is matched with the guide rail in a positioned mode, the distance between the two protruding end faces is constant, and the good fixing effect can still be achieved. Compared with the prior art, the high-stability sliding table saw is simple in structure, the service life of the guide rail can be greatly prolonged, the stability of the guide rail can be greatly improved, and the saw cutting efficiency of the high-stability sliding table saw is improved.