1042results about How to "Cutting stability" patented technology

The invention relates to the technical field of battery negative electrode materials, in particular to a silicon-carbon negative electrode material and a preparation method of the silicon-carbon negative electrode material in a low-temperature silicon-carbon deposition mode. The method comprises the following steps: performing synchronous silicon-carbon deposition or step-by-step silicon-carbon deposition on carbon-based material particles in a fluidized bed at a relatively low temperature to form silicon-carbon intermediate phase particles, and further performing carbon coating to form the silicon-carbon negative electrode material. The low-temperature silicon-carbon deposition mode involved in the process can effectively control the stability of heat release of the chemical vapor deposition reaction in the aspect of operation and improve the uniformity of temperature field distribution in the reactor, so that the overall reaction rate is controllable, and parameters such as the particle size and the nano silicon content of the silicon-carbon negative electrode material are easy to regulate and control. When the preparation method provided by the scheme of the invention is adopted, on the basis of ensuring that the safety is effectively improved, the yield and the product quality of the silicon-carbon negative electrode material are obviously optimized, and the silicon-carbon negative electrode material shows excellent electrochemical performance.

The invention discloses a grinding device for internal tooth forming, and particularly relates to the technical field of grinding, the grinding device comprises a sliding rail frame, a positioning plate is slidably mounted at the top of the sliding rail frame, a grinding mechanism is slidably mounted on one side of the positioning plate, and a telescopic cylinder for driving the positioning plate to move is fixedly mounted on the side, away from the grinding mechanism, of the positioning plate; a positioning mechanism is fixedly installed at the top of the sliding rail frame, and a driving mechanism is rotationally installed on the outer wall of the positioning mechanism. A plurality of limiting assemblies which are annularly and sequentially arranged around the outer wall of the gear at equal intervals are arranged, the multiple limiting assemblies are adjusted through repulsive magnetic strips so as to limit and abut against the outer wall of the gear, and suction cups which are fixedly attracted to the two sides of the gear are arranged in a first clamping plate and a second clamping plate; the limiting work of the outer wall of the gear is simpler and more convenient, stress is uniform, deformation and damage are not prone to occurring, and actual use is more convenient.

The invention belongs to the technical field of numerical control machining, and discloses a machining method for a large titanium alloy ultra-deep-cavity thin-wall weak-rigidity complex structural part, which comprises the following steps of: 1, fixing a die forging blank on a clamp by utilizing a process table around the die forging blank; secondly, rough machining is conducted on the die forging blank, datum holes are machined in two of the process tables, and the side wall allowance of a side groove is distributed in a stepped mode after rough machining; thirdly, the roughly machined part is subjected to heat treatment; 4, the hole position of the reference hole is detected, the hole position is compared with the theoretical hole position to analyze the deformation amount and the deformation direction of the blank, and when the deformation amount is smaller than the machining allowance, semi-finish machining is conducted; and fifthly, the semi-finished part is subjected to finish machining, and a connecting rib between the final milling process table and the part is machined.

The invention discloses three-dimensional diversified notching equipment with an adjustable notch, and relates to the technical field of notching equipment.The three-dimensional diversified notching equipment comprises a rack and an adjusting mechanism, the adjusting mechanism comprises a supporting plate, an air cylinder is installed in the middle of the outer side of the supporting plate, and a sliding sleeve is fixedly installed at the telescopic end of the air cylinder; a bending guide rod is fixedly installed at the position, close to the sleeve, of the side of the outer side of the sliding sleeve, a cross beam is fixedly installed in the middle of the outer side of the sliding sleeve, a notch assembly is installed at the position, close to the linear driver, of the bottom of the cross beam, and the notch assembly comprises a C-shaped sliding block, and a flat plate is fixedly installed at the bottom of the C-shaped sliding block; and rotating connectors are installed at the corresponding positions of the outer sides of the flat plates, servo motors are installed at the rotating ends of the bottoms of the rotating connectors, and cutting cutterheads are fixedly installed at the output ends of the servo motors. According to the three-dimensional diversified incision equipment with the adjustable incision, the adjustable effect is achieved, the incision can be adjusted, the incision is diversified, and cutting is safe and reliable.

The invention relates to the field of rice seedling raising. The invention discloses a rice seedling raising device and a using method, and aims to solve the problems that when existing rice is cultivated through a tray, the angle of the tray needs to be adjusted to enable the rice to be irradiated by sufficient sunlight, and when the angle of the rice is adjusted, the rice cannot be raised. Due to continuous growth of rice, the rice on stacked trays can be hindered when the angle of the trays deviates, and the rice cultivation effect is affected. The trays arranged in a clamped mode can deflect through the adjusting frames on the adjusting rods, so that the multiple trays vertically arranged at equal intervals are inclined, seedlings on the multiple trays can make full contact with sunlight conveniently, and the seedlings grow evenly.

The utility model relates to annular line processing equipment for a metal structural member, which belongs to the technical field of metal processing and comprises a structural member assembly, a guide wheel cutting mechanism and a workbench mechanism. The guide wheel cutting mechanism comprises a driving wheel, a driven wheel, a tension wheel, a detection wheel and a cutting line; the cutting line surrounds the driving wheel, the driven wheel, the tension wheel and the detection wheel to form an annular line; the motor drives the cutting line to circularly rotate through the driving wheel; the workbench mechanism comprises a push-pull assembly, a lifting assembly and a feeding workbench. A workpiece is arranged on the feeding workbench. The push-pull assembly comprises a lifting assembly mounting frame and a push-pull driving device; the push-pull driving device pushes and pulls the lifting assembly mounting frame to move horizontally, and the pre-cutting position of the workpiece is moved to the position under a cutting line; the lifting assembly comprises a lifting support and a lifting driving device. The lifting driving device drives the workpiece to ascend and descend through the feeding workbench. The cutting device can stably and efficiently cut workpieces, is high in cutting precision and low in cost, and does not pollute the working environment.

The invention discloses an automobile water pump shell machining support device with clamping and overturning functions, and relates to the technical field of water pump shell machining, the automobile water pump shell machining support device comprises a supporting plate, a fixing sleeve is fixedly connected to the top of the supporting plate, a limiting frame is fixedly connected to the top end of the fixing sleeve, and a plurality of rotating rods are arranged in the side wall of the rotating frame in an annular array mode; supporting plates are fixedly connected to the ends, extending to the outer side of the rotating frame, of the multiple rotating rods, arc-shaped plates are fixedly connected to the ends, located in the rotating frame, of the multiple rotating rods, rotating rods are rotatably connected to the interiors of the two ends of the multiple arc-shaped plates, and guide wheels are fixedly connected to the outer sides of one ends of the multiple rotating rods; according to the support device with the clamping and overturning functions for machining the automobile water pump shell, the water pump shell is more stably limited, the stability of a pump body in the machining process is improved, integrated clamping is achieved, operation is convenient, the pump shell is overturned, the machining face of the machined pump shell faces downwards, the support device is suitable for various working conditions, and assembly line operation is convenient.

The invention discloses a welding clamp for a multifunctional electric welding machine, and relates to the technical field of welding clamps, the welding clamp comprises a supporting seat and a clamping size adjusting mechanism, first sliding rail sets are symmetrically arranged on the top wall of the supporting seat left and right, and sliding seats are connected to the first sliding rail sets of the supporting seat through first electric sliding blocks in a left-right sliding mode; an adapting mechanism is arranged on the sliding seat, a clamping size adjusting mechanism is arranged on the adapting mechanism, a driving mechanism is arranged on the clamping size adjusting mechanism, and an accurate butt joint mechanism is arranged in the middle of the top wall of the supporting seat. The welding fixture has the advantages that the sliding seat, the adaptive mechanism and the clamping size adjusting mechanism are matched, adaptive adjustment is performed according to the length and size of a to-be-welded pipe fitting, the limiting space is flexibly changed, and the practicability of the fixture is improved; and through cooperation of the adaptation mechanism and the accurate butt joint mechanism, the welding end of the pipe fitting can be further stably clamped conveniently, circumferential continuous welding is facilitated, and the continuity of the welding process is improved.

The invention belongs to the technical field of planing machining equipment, particularly relates to a Roots blower impeller planing device and method, and aims to solve the problems that in the prior art, when a Roots blower impeller is machined, the impeller is prone to position deviation and cannot be automatically positioned, and in the process of planing the impeller, the machining efficiency is high. In order to overcome the defects that in the prior art, a planing device comprises a mounting frame, stand columns are fixedly mounted at the four corners of the bottom of the mounting frame, and the four stand columns are fixedly connected with the same supporting plate, an impeller body can be stably positioned, so that position deviation of the impeller body in the planing process can be prevented; and meanwhile, when the impeller body is planed, the position of the impeller body can be conveniently changed, so that when the impeller body is planed, good convenience can be provided, and when the impeller body is planed, generated waste chips can be collected, so that good convenience is achieved.

The utility model discloses a galvanized pipe cutting device, and relates to the technical field of galvanized pipe machining. The device comprises a bottom plate, supporting columns are fixedly installed at the four corners of the bottom end of the bottom plate, sliding plates which are symmetrically distributed are arranged on the two sides of the top end of the bottom plate in a sliding mode, fixing discs are fixedly installed at the top ends of the sliding plates, and rotating discs are rotatably installed on the sides, close to each other, of the two fixing discs. A first fixing block is fixedly installed at the top end of the rotating disc, and a second fixing block is fixedly installed on the side, close to the first fixing block, of the fixing disc. The connecting ring rotates to drive the rotating rod and the fixing sleeve to move, so that the fixing sleeve moves to the bottom from the middle of the connecting rod, and therefore the three connecting rods get close to one another; according to the galvanized pipe cutting device, a galvanized pipe is clamped through the arranged fixing rollers, so that the galvanized pipe can be more stable during cutting and cannot deviate during cutting, the quality of the galvanized pipe after cutting is guaranteed, and the elimination rate is reduced.

The field branch and leaf collecting tool comprises a tool bit, a reinforcing gasket, a reinforcing rivet and a handle, the tool bit, the reinforcing gasket, the reinforcing rivet and the handle are sequentially arranged from top to bottom, the handle is of a telescopic structure composed of a plurality of carbon sleeves, the tool bit is of a thickened, cutting edge and sawtooth structure, the tool bit is composed of a thickened blade, a cutting edge and sawteeth, and the thickened blade is connected with the cutting edge. The reinforcing gasket is a spring gasket which is universal in the market and has the diameter of 8 mm, and the reinforcing rivet is a cup head solid copper rivet. The device is used for collecting branches and leaves of tall trees in field work, the field scientific research work efficiency is improved, high-risk actions such as tree climbing are avoided, and the portability and flexibility of field carrying tools are considered; and the reinforcing gasket and the reinforcing rivet not only can reinforce the nut of the handle so that the nut is not easy to fall off due to violent use, but also can fix the tool bit so that the tool bit is not easy to fall off, and damage to a user is avoided.

The utility model discloses an accurate positioning trimming device for broken bridge door and window processing, and relates to the technical field of door and window processing, the accurate positioning trimming device for broken bridge door and window processing comprises a trimming platform, four corners of the lower surface of the trimming platform are all fixedly provided with support legs, the upper surface of the trimming platform is provided with a first rectangular groove, and the upper surface of the trimming platform is provided with a second rectangular groove; rectangular sliding grooves are formed in the front side and the rear side of the interior of the first rectangular groove correspondingly, sliding plates are slidably installed in the two rectangular sliding grooves, clamping devices are arranged on the sliding plates, and under driving of a driving motor, a threaded rod rotates to drive a moving plate to move. The movable plate moves to drive the two T-shaped sliding blocks to slide in the corresponding T-shaped sliding grooves through the supporting plate and the connecting plate, the T-shaped sliding grooves, the T-shaped sliding blocks and the connecting plate are arranged, the limiting effect on movement of the supporting plate is achieved, the cutting blade is more stable during cutting through the arrangement of the double sliding rails, and the cutting precision and practicability of the device are improved.

The invention relates to the field of valve detection, and particularly discloses an adjustable gas tightness detection device for a regulating valve, which comprises a sealing detection mechanism, a bearing base, a first clamping mechanism and a second clamping mechanism, and is characterized in that the sealing detection mechanism is used for detecting the gas tightness of the regulating valve. The first clamping mechanism comprises a first frame, a first rotary disc and a plurality of first pressing assemblies, and the first frame is arranged above the bearing base and connected with the bearing base. The axis of the first rotating disc is vertically arranged, the first rotating disc is rotatably installed at the end, away from the bearing base, of the first frame, and the multiple first pressing and holding assemblies are distributed in the circumferential direction of the first rotating disc. The first pressing assembly is used for fixing one end of the valve, and the second clamping mechanism is used for fixing the other end of the valve. According to the invention, the airtightness detection mechanism can detect the airtightness of the valve more accurately.

The invention provides an automatic cutting device for mold machining, and relates to the technical field of mold machining, the automatic cutting device for mold machining comprises an equipment main body, a machining area, a circular guide rod, a second guide rod, a laser cutting head and a tool clamp. The second guide rod sequentially comprises a dismounting section, a cooling section, a machining section and a mounting section in the length direction, a laser cutting head is fixedly mounted at the position, corresponding to the machining section, of the inner top of the machining area, movement of the tool clamp is guided through the circular guide rod and the second guide rod, and it can be guaranteed that the cutting process has high precision; the first control mechanism and the second control mechanism are designed, the first control mechanism is used for pushing the tool clamp from the mounting section to the cooling section through the machining section, the second control mechanism is used for moving the tool clamp from the cooling section to the dismounting section and the mounting section, the process can be automatically completed, slow cutting of the die steel is adapted, and the working efficiency is improved. And batch production of the die can be realized.

The utility model discloses a cutting positioning device for cable protection tube production, which comprises a case, the upper end of the case is fixedly connected with a fixed seat, the upper end of the fixed seat is provided with first slide rails, and the first slide rails are symmetrically distributed at the front end and the rear end of the fixed seat; the lower end of the mounting base is fixedly connected with the upper end of the fixed base, the upper end of the mounting base is slidably connected with first sliding bases through second sliding rails, the first sliding bases are symmetrically distributed at the left end and the right end of the mounting base, the front ends of the first sliding bases are fixedly connected with folded plates through bolts and nuts, and sliding grooves are formed in the front end of the mounting base; the upper end of the mounting seat is fixedly connected with a fixed plate through a bolt; a screw rod is in threaded connection in the fixed plate; a clamping and clamping mechanism is formed by the mounting base, the sliding rail, the sliding base, the folding plate, the clamping plate, the fixing plate and the screw rod, dislocation of the protection pipe can be prevented, and stable cutting is facilitated; a positioning mechanism is composed of the fixing base, the sliding rail, the sliding base, the lifting rail, the sliding base and the cutting machine, the cutting direction can be determined, and precise cutting is facilitated.

The invention relates to the technical field of rock stratum hydraulic slotting permeability increasing, in particular to a long drill hole high-pressure hydraulic slotting permeability increasing device. The invention provides a long drill hole high-pressure hydraulic slotting anti-reflection device capable of cutting and expanding a slotting position in advance and improving the slotting effect and efficiency of a rock stratum. A long drill hole high-pressure hydraulic slotting anti-reflection device comprises a connecting pipe, a slotting device, a rotating piece and the like, the upper side of the connecting pipe is connected with the slotting device, and the middle of the slotting device is rotationally connected with the rotating piece. A motor is started, a rotating ring is made to rotate through a transmission assembly, a first telescopic rod is driven to rotate, a top plate pushes an expansion plate to move on a guide frame through the acting force of a first spring, the expansion plate extends to make contact with a drill hole, and along with rotation of a drill bit, the expansion plate rotates to expand the hydraulic cutting seam of a rock stratum; and the effects that the slit can be cut and expanded in advance, and the rock stratum slotting effect and efficiency are improved are achieved.

The utility model provides pull-type sectional material interruption cutting equipment which comprises a traction rack and a cutting rack which are arranged side by side, an upper traction machine and a lower traction machine which are used for pulling sectional material cutting are arranged on the traction rack in a sliding mode, and a middle cutting saw used for cutting sectional materials is arranged on the cutting rack in a sliding mode. A conveying rack is arranged between the traction rack and the cutting rack, and a plurality of conveying roller sets used for conveying profiles are installed on the conveying rack. A synchronizing mechanism is fixedly arranged on the middle cutting saw and is connected with the middle cutting saw and the lower traction machine; the synchronizing mechanism is arranged to enable the middle cutting saw and the lower traction machine to keep synchronous, so that stable cutting of section bars is guaranteed, the lock catch plate and the jaw plate which can be separated in one direction are matched to achieve synchronous driving, the middle cutting saw and the lower traction machine are effectively prevented from being separated, and meanwhile the lock catch plate is in non-rigid connection through the spring, so that the service life of the middle cutting saw is prolonged. Normal separation failure caused by rigid connection is effectively prevented.

The invention relates to the technical field of paper product production, and discloses a paperboard cutting machine for paper product production, which comprises a machine body, a conveyor belt is arranged on the machine body, a dust removal mechanism is arranged on the machine body, and the dust removal mechanism comprises a dust collector, a hollow pipe, a rotary drum, a first motor, a first rotary rod, a first electric push rod, a clamping block, a cross, a transverse plate and a brush. Dust on the top of a paperboard can be cleaned by arranging a first motor, a first rotating rod, a first electric push rod, a cross, a transverse plate and a brush, adjustment can be conducted according to the thickness of the paperboard by arranging a second rotating rod, a rotary knob and a threaded block, the brush can make close contact with the top of the paperboard, and then the brush can clean dust more stably; and by arranging a dust collector, a hollow pipe, a rotary drum and a dust collection opening, dust on the paperboard can be absorbed, so that the situation that the focus position is inaccurate due to scattering of laser beams caused by existence of dust particles is avoided, and the precision of paperboard laser cutting is improved.

The invention provides a graphite muffle tube machining device and method, and belongs to the technical field of machining. The graphite muffle tube machining device comprises a workbench, supporting legs are arranged at the four corners of the bottom of the workbench, fixing pads are connected to the bottoms of the supporting legs, a driving mechanism is arranged on the workbench, and the driving mechanism is slidably sleeved with a limiting clamping mechanism; sliding cutting mechanisms are arranged on the two sides of the workbench. According to the muffle tube clamping device, a rotating shaft is adopted to drive a rotating rod to achieve limiting clamping of a first clamping plate, the clamping force is autonomously adjusted and controlled, and meanwhile the stable clamping effect on a muffle tube can be achieved in cooperation with an arc-shaped plate, a telescopic rod and a second clamping plate which are arranged on the upper portion; the device is convenient to mount and dismount through the arranged first bolts, the bolt holes, the connecting plates and the mounting plates, the first springs, the rotating shafts, the shaft sleeves and the limiting shafts which are used in cooperation can achieve the buffering and limiting effects when the first clamping plates conduct clamping, it is ensured that cutting is stably achieved, and the crack condition is prevented.

The utility model belongs to the technical field of packaging boxes, and particularly relates to an electronic device packaging box which comprises a rear surrounding plate and a containing plate. A first side wall plate and a second side wall plate are arranged on the two opposite side edges of the rear wall plate respectively, first folded plates are arranged on the lower edge of the first side wall plate and the lower edge of the second side wall plate, second folded plates are arranged on the upper edge of the first side wall plate and the upper edge of the second side wall plate, a front wall plate is arranged on one side edge of the second side wall plate, and a sticky plate is arranged on one side edge of the front wall plate. A cover plate is arranged on the upper edge of the rear coaming, and a buckle plate is arranged on the upper edge of the cover plate. A bottom plate is arranged on the lower side of the rear coaming; the lower edge and the two side edges of the placing plate are all provided with surrounding plates, the upper edge of the placing plate is provided with a connecting plate, the upper edge of the connecting plate is connected with the lower edge of the bottom plate, and the placing plate is provided with a plurality of clamping holes. And the button switch is easy to shake and touch in the packaging box, so that the button switch is easy to damage.

The utility model provides a positioning device of a linear submerged arc welding pipe end cutter, which comprises a base, a rotating roller, a positioning component, an inner support component and a cutting component, the rotating roller is arranged above the base, the positioning component is arranged above the base, the inner support component is arranged on the positioning component, and the cutting component is arranged above the base; the positioning device is composed of the base, the rotating roller, the positioning assembly, the inner supporting assembly and the cutting assembly and used for positioning the welded pipe end cutting machine, a welded pipe enters the end cutting machine through the rotating roller, the positioning assembly can be adjusted according to the size of the outer wall of the welded pipe, the clamping plate is in an arc shape so that the welded pipe can be better clamped, and the welding pipe can be conveniently clamped. And the positioning assembly is pushed by the air cylinder, so that the clamping force can be unified, the response speed is high, the operation is simple, and the production time is greatly saved while the welded pipe is not damaged.

The invention relates to the technical field of electronic transformers, and discloses an electronic transformer with an assembly structure, which comprises a support rod, a fixed table is fixedly connected to the top of the support rod, a pushing and pressing mechanism is arranged in the fixed table, and a limiting mechanism is arranged in the middle of the top of the fixed table. A mutual inductor body is arranged on the inner side of the limiting mechanism, an auxiliary mechanism is arranged on the left side of the front face of the pushing and pressing mechanism, the pushing and pressing mechanism comprises a pushing assembly and a pressing assembly, the pushing assembly is arranged on the inner side of the fixing table, the pressing assembly is arranged at the back end of the pushing assembly, and the pushing assembly comprises a fixing plate. The fixing plate is fixedly connected to the right side of the top of the fixing table, and the right side of the fixing plate is fixedly connected with an air cylinder. The sliding plate is driven by the air cylinder to move, so that the sliding plate can drive the mutual inductor body to move through the inserting plate, the mutual inductor body can be moved out of the storage frame, and workers can conveniently take the mutual inductor body.

The utility model discloses laser cutting fixing equipment for sheet metal machining, and relates to the field of sheet metal machining equipment. The laser cutting fixing equipment for sheet metal machining comprises a machining equipment base, a first guide rail is arranged at the top of the machining equipment base, a sliding frame is slidably connected to the first guide rail, a second guide rail is arranged on the sliding frame, a laser cutting head is slidably connected to the second guide rail, and two sets of supporting fixing plates are fixedly connected to the top of the machining equipment base; the tops of the two supporting and fixing plates are fixedly connected with a fixing plate, the fixing plate is fixedly connected with a fixing baffle, and the supporting and fixing plates are provided with clamping assemblies. According to the laser cutting fixing equipment for sheet metal machining, power is provided by the motor during fixing of the clamping assembly, sheet metal parts are clamped and fixed through the clamping blocks and the fixing baffles, the clamping and fixing effect is good, and operation is easy.

The invention discloses a drug packaging material bursting strength detection device, and belongs to the technical field of bursting strength detection. The device mainly comprises a base; the unwinding unit is composed of an unwinding roller and two sets of placing supports, a glue film is wound on the unwinding roller, and motors are installed on the side faces of the placing supports; the winding unit and the unwinding unit are of similar structures; fixing seats are mounted at the two ends of the sliding seat plate; spiral grooves are formed in the lead screw, and connecting rods are in transmission connection with the two sets of spiral grooves; limiting grooves are formed in the movable rods and the connecting rods, side protruding blocks are installed on the movable rods, and a pressing roller is installed between the two sets of movable rods. And a first rack is mounted on the protruding part of the first gear. According to the bursting strength detection device for the medicine packaging material, the flattening mechanism is used for flattening and wrinkle removing operation on the adhesive film, and the subsequent half pressing ring is used for preliminarily fixing the flattened adhesive film under the action of the second spring, so that the pressing roller is prevented from crossing the adhesive film, the adhesive film is prevented from being wrinkled after being recovered to the initial state.

The utility model discloses a mulberry leaf cutting machine which comprises a machine frame, and a transmission mechanism, a cutting mechanism, a belt conveyor and a spray washing mechanism are arranged in the machine frame. The belt conveyor is arranged above the cutting mechanism, the transmission mechanism is in transmission connection with the cutting mechanism, and the transmission mechanism is in transmission connection with the belt conveyor; the cutting mechanism comprises a transverse cutter set and a longitudinal cutter set, and the transverse cutter set and the longitudinal cutter set are meshed with each other. And the spray-washing mechanism comprises an air compressor, an external spray-washing mechanism and an internal spray-washing mechanism. The transverse cutter set and the longitudinal cutter set are matched with each other for simultaneous cutting, secondary cutting is not needed, meanwhile, the blade distance can be adjusted, and therefore cutting of mulberry leaves of different sizes is achieved, and the mulberry leaf cutting efficiency is high; cutting is relatively stable, loss of the mulberry leaves is reduced, nutrition of the mulberry leaves is effectively reserved, and water loss is reduced.

The invention belongs to the technical field of laser cutting, and particularly discloses a laser cutting method and device. The laser cutting method comprises the steps that laser is emitted, and beam expanding and focusing are conducted on the laser; adjusting the focus point of the laser to the surface of the to-be-cut glass; the annular cutting channel to-be-cut glass is driven to rotate around the rotating axis, so that the annular cutting channel focus point moves relative to the annular cutting channel to-be-cut glass along the annular virtual line; the annular cutting channel focus point is controlled to move circularly along the cutting track, the cutting track of the annular cutting channel at least partially penetrates through the annular virtual line of the annular cutting channel, and an included angle is formed between the plane where the cutting track of the annular cutting channel is located and the thickness direction of the to-be-cut glass of the annular cutting channel; the focus point of the annular cutting channel is controlled to continuously or periodically move in the thickness direction of the to-be-cut glass; and after the to-be-cut glass is cut, the laser is turned off. The technical problem that the flatness of the cut end face of the glass tube can be reduced when the glass tube is cut through three laser beams can be solved.

The invention relates to the technical field of plasma cutting, and discloses a high-precision plasma groove cutting device which comprises a cutting table, a moving frame arranged above the cutting table, a swing assembly arranged on one side of the moving frame, an adjusting mechanism installed on the outer wall of the swing assembly and a plasma cutting gun installed in the adjusting mechanism. The swing assembly comprises a moving block fixedly installed at the output end of the moving frame, the outer wall of the moving block is rotationally connected with a half-gear base, a first servo motor operates through an arranged pushing assembly, an output shaft of the first servo motor drives a driven bevel gear to rotate clockwise through a single-tooth bevel gear, and the half-gear base is driven by the first servo motor to rotate clockwise. And the pushing frame moves outwards along the track frame under the transmission of the two pushing gears and the racks, so that the lower part of the plasma cutting gun inclines outwards, and the clamping ring slides and clamps along with the pushing frame to form an outward gradient, so that the cutting depth and the groove angle are better controlled, and the effects of improving the production efficiency and ensuring the cutting quality are achieved.

The invention relates to the technical field of diamond tools, in particular to a diamond saw blade with bidirectional tooth protection tool bits and a production process of the diamond saw blade. The plurality of groups of tool bits convexly extend to the outer side of the base body and are distributed in an annular array by taking the base body as the center; the chip grooves are formed between the adjacent groups of tool bits and comprise first groove bodies for separating the adjacent groups of tool bits and second groove bodies formed by sinking from the first groove bodies to the interior of the base body; wherein the second groove body is concaved towards the cutter head side from the connecting position of the second groove body and the first groove body to form protection teeth, each group of cutter heads is provided with two groups of protection teeth, and the two groups of protection teeth are distributed on the two sides of the group of cutter heads. The tool bit is specially designed to be in the two-way tooth protection shape, so that more chip grooves are formed in the saw blade cutting and contact face, the two-way tooth protection can effectively protect a base body and prevent the base body from being worn too fast and thinned, the large U-shaped chip grooves of the tool bit can take away more gravel and chips when concrete granite is cut, cutting resistance is reduced, and working efficiency is improved.

The utility model relates to the technical field of heavy bag heat sealing, and discloses a heavy bag online heat sealing mechanism which comprises a heat sealing machine, a heat sealing device, a monitoring mechanism, a limiting mechanism, two adjusting mechanisms and two transmission mechanisms. The monitoring mechanism is located on the top of the heat sealing machine and used in cooperation with the heat sealing device, the limiting mechanism is located on the front side of the top of the heat sealing machine, the two adjusting mechanisms are located on the left side and the right side of the heat sealing machine correspondingly, and the two transmission mechanisms are located on the left side and the right side of the heat sealing machine correspondingly. The problems that in the using process of a heat sealing machine, a heavy bag needs to be subjected to heat sealing through a heat sealing device, but the heat sealing machine and the heat sealing device are not provided with assemblies capable of limiting the heavy bag, so that the situation that the heavy bag is prone to dislocation due to the influence of external force is easily caused, the heat sealing stability of the heavy bag is reduced, and inconvenience is brought to a user are solved.