173results about How to "Easy clamping" patented technology

The invention discloses a weak-rigidity free-form surface monocrystalline silicon reflecting lens and a processing method thereof. The method comprises the following steps: obtaining a monocrystalline silicon block; cutting into blocks; diamond wire cutting; precisely grinding the back surface; performing slicing; the free-form surface sucker adsorbs the lens; precisely grinding the front surface into a cylindrical surface; polishing the magnetorheological elastomer; releasing the lens; the cylindrical sucker adsorbs the lens; precisely grinding and thinning the back surface; releasing the lens; cutting edges and carrying out wet etching on the back surface; and carrying out ion beam modification processing to achieve the final surface shape precision of the free-form surface. According to the X-ray reflecting lens machining method, the free-form surface weak-rigidity reflecting mirror is clamped and deformed into the cylindrical surface for machining, the whole process is ultra-precision grinding and polishing of the cylindrical surface, the machining method is simple and mature, the manufacturing cost is extremely low, dependence on an ultra-high-precision multi-axis linkage machine tool is completely eliminated, and the machining precision is greatly improved. And the machining efficiency is greatly improved, and the method is suitable for mass production of reflectors.

The utility model discloses a pressure vessel welding butt joint device, which relates to the technical field of welding butt joint devices and comprises a bottom plate, a movable connecting shaft, a bottom supporting structure, an adjusting and fixing structure and a rotating structure. Two pressure containers are placed between the arc-shaped clamping plates on the two sides, then the electric push rod is started, the electric push rod drives the right supporting plate to slide on the sliding groove, then the rotating structure and the movable connecting shaft at the right end are driven to slide in the direction of the connecting plate, and the operation is beneficial for clamping the pressure containers; therefore, the stability of the pressure vessel during butt joint is improved. The connecting telescopic rod stretches out and draws back, stretching out and drawing back of the arc-shaped clamping plates are driven by stretching out and drawing back of the connecting telescopic rod, then the size of an annular ring formed by the arc-shaped clamping plates is adjusted, and therefore the device adapts to pressure containers of different sizes; the telescopic rod stretches out and draws back, the telescopic rod stretches out and draws back to drive the two supporting arc-shaped plates to stretch out and draw back, and the operation is beneficial to exerting lower end supporting force on the pressure container, so that the pressure container is more stable and smoother in the welding work.

The invention relates to the technical field of composite turn-milling machine tools, and discloses a numerical control composite turn-milling machine tool and a turn-milling method for precision part machining.The numerical control composite turn-milling machine tool comprises a device body, a sliding cover plate is slidably mounted on the outer portion of the device body, a machining bin is formed in the device body, and a milling mechanism is mounted in the machining bin; a movable sliding rail is installed in the machining bin, a turning mechanism is installed on the movable sliding rail in a sliding mode, and a driving mechanism is installed on the movable sliding rail. When the driving mechanism drives all the fixed clamping jaws to move towards the center of the clamp rotating disc, the fixed clamping jaws can clamp a part, and after the part is clamped, the limiting rotating disc continues to rotate, a buffer spring can be compressed, so that the clamping force of the fixed clamping jaws on the part is relieved; and when the internal structure of the part is changed in the machining process, the part can be better clamped through springback of the buffer spring, and the part is prevented from being disengaged from the clamp due to external deformation.

The present invention relates to a single traction machine for aluminum profiles, comprising a traction frame, a first moving trolley and a second moving trolley, wherein the top of the traction frame is provided with a traction guide rail, and the first moving trolley and the second moving trolley are both slidably mounted on the traction guide rail; and further comprising a cutting device, a material lifting device, a traction device, a trolley driving device for driving the first moving trolley, and a trolley moving device for driving the second moving trolley. The single traction machine for aluminum profiles provided by the present invention is easy to use, can effectively protect the surface of the aluminum profile, and is convenient for inserting the aluminum profile into the traction machine for clamping. At the same time, only one set of cylinders is needed to realize the retraction and pushing of the clamping device, the structure and control are simple, the working efficiency is high, and the equipment cost is reduced.

The utility model discloses an aircraft thin-wall part machining device, and relates to the technical field of aircrafts. The aircraft thin-wall part machining device comprises a bottom plate, thin-wall channel steel, a transverse plate and a moving structure, an L-shaped plate and a base plate are fixedly installed at the top of the bottom plate, two sets of clamping plates distributed left and right are arranged at the top of the bottom plate, a bidirectional lead screw is arranged on the bottom plate, the thin-wall channel steel is placed on the base plate, and the transverse plate is arranged at the top of the bottom plate. Two sets of vertical plates distributed front and back are arranged at the bottom of the transverse plate, polishing plates are arranged on the vertical plates, a two-way threaded rod is arranged on the transverse plate, and the moving structure is arranged on the L-shaped plate and the transverse plate. According to the aircraft thin-wall part machining device, the two faces of thin-wall steel channels can be polished at the same time, then the machining efficiency is improved, the thin-wall steel channels of different sizes can be machined, the application range of the device is widened, and the practicability of the device is improved.

The external expansion positioning clamping device comprises a shell of a cuboid structure, a first round opening is formed in the outer wall of the top of the shell, a sleeve is fixedly connected to the outer wall of the top of the shell and is of a conical structure, and an auxiliary assembly is slidably installed on the outer wall of the top of the sleeve; and the same piston assembly is arranged on the inner walls of the auxiliary assembly, the sleeve and the shell. According to the positioning and clamping device, the two positioning claws are arranged in the auxiliary assembly, a workpiece is conveniently clamped when the positioning claws are unfolded, meanwhile, a protrusion is arranged at one end of each positioning claw, the workpiece is conveniently pressed, the situation that the workpiece jumps during machining is effectively avoided, and the problem that an existing positioning and clamping device cannot conveniently clamp the workpiece is solved.

This invention belongs to the field of aerospace structural component manufacturing technology, specifically relating to an arc-shaped cap and its integrated bending forming method and application. The integrated bending forming method includes the following steps: S1, blanking to obtain a cap plate blank or cap frame blank; S2, milling to machine the external dimensions and hole positions before bending, obtaining a flat, non-arc semi-finished product; S3, bending, placing the flat semi-finished product between the punch and die of a bending die, and applying pressure to press it into an arc-shaped part with a predetermined curvature; S4, stress-relieving treatment of the bent arc-shaped part to eliminate its internal residual stress; S5, shaping, bending and shaping again to stabilize its curvature shape, obtaining the final arc-shaped cap product. This invention effectively solves the problem of springback during sheet metal bending by introducing a combination of bending die design, graded pressure control, and stress-relieving and shaping processes, ensuring the accuracy of the final product's curvature and external dimensions.

This invention discloses a pipeline gas supply device, a pipeline gas filling method, and a pipeline welding method, relating to the field of welding tool technology. The pipeline gas supply device includes a gas supply pipe, which comprises a hollow gas supply pipe body and a sealing plate located at one end of the gas supply pipe body, with the other end of the gas supply pipe being the gas supply end; a sealing sleeve fitted around the outer circumference of the gas supply pipe; two fixing washers, located at opposite ends of the sealing sleeve; a pushing component located at the gas supply end of the gas supply pipe; and an expansion / contraction component. The pushing component moves towards the sealing plate end of the gas supply pipe, causing the expansion / contraction component to be squeezed by the fixing washers and the sealing plate or the pushing component, achieving a pipeline sealing effect. This device limits the gas filling range of the protective gas to between the two expansion / contraction washers, greatly reducing the amount of gas used for welding, preventing free discharge of the protective gas, enabling quantitative use of the protective gas, and reducing waste. It is applicable to the gas filling of welded bends, long pipes, and irregularly shaped pipelines.

The utility model relates to the technical field of seat angle adjuster machining, in particular to seat angle adjuster laser welding auxiliary clamping equipment which comprises an equipment table, a motor, a connecting ring, a dust hood, a screw rod, an exhaust pipe and a clamping mechanism, the motor is installed at the bottom of the equipment table, and the connecting ring is fixed to the upper surface of the equipment table; according to the auxiliary clamping equipment for laser welding of the seat angle adjustor, a core disc of the seat angle adjustor is effectively clamped, the core disc is controlled to rotate slowly in the welding process, the welding area is automatically adjusted, the welding efficiency is improved, and the welding quality is improved. Smoke dust generated by laser welding is effectively absorbed, the health problem caused by heavy metal smoke dust is reduced, in the clamping and welding process, the height of the clamping base can be adjusted, clamping is facilitated, meanwhile, the distance between the dust collection device and a welding area is effectively controlled, and therefore the dust collection effect is guaranteed.

The utility model relates to the technical field of welding, in particular to a tool special for rail machining of an automatic circular tube welding machine. The device comprises a rotary table, the rotary table comprises an output shaft, the side, away from the rotary table, of the output shaft is fixedly connected with a vertically-arranged tool connecting plate, a tool plate is arranged at the position, close to the edge, of the upper portion of the tool connecting plate, the upper surface of the tool plate is in an arc shape, and an arc-shaped part mounting position is arranged on the outer surface of the tool plate; pressing structures used for pressing the parts are arranged on the two sides of the part installation position. The device solves the problems that clamping is inconvenient, and cost is high.

The utility model discloses a loading opening end frame machining clamp which comprises a bottom plate, a clamping device and a clamping device. The guide template is fixedly arranged on the assembly plane and comprises three vertical planes and a first horizontal plane, the first vertical plane is parallel to the second vertical plane, the third vertical plane is perpendicular to the first vertical plane and the second vertical plane, and the first horizontal plane is perpendicular to the three vertical planes; the equal-height block is attached and fixed to the first vertical face, the equal-height block comprises a second horizontal face flush with the first horizontal face and a fourth vertical face parallel to the first vertical face, and the fourth vertical face upwards protrudes out of the second horizontal face; the positioning block is attached and fixed to the third vertical plane, the positioning block comprises a third horizontal plane flush with the first horizontal plane and a fifth vertical plane parallel to the third vertical plane, and the fifth vertical plane upwards protrudes out of the third horizontal plane; wherein the fourth vertical face is attached to one side edge of the end frame, and the fifth vertical face is attached to the other side edge of the end frame.

This utility model discloses a cable winding device for cable production, specifically relating to the field of cable production technology. It includes a winding base with a supporting side plate on one side of its upper end. A movable base is located on the outer side of the upper end of the winding base. Positioning components are located on both sides of the upper end of the movable base. First hydraulic telescopic rods are located on the outer sides of both ends of the winding base. A supporting push plate is located inside the winding base via the output shaft of the first hydraulic telescopic rod. In actual use, the corresponding arrangement of the first hydraulic telescopic rod, positioning components, supporting push plate, and movable base allows for easy alignment of both ends of the cable winding frame with the positioning components. An external control device drives the first hydraulic telescopic rod, which, through its output shaft, moves the supporting push plate to one side. As the supporting push plate moves, it pushes against the movable base, causing it to move upwards and lifting the cable winding frame at the upper end of the movable base, thus facilitating auxiliary installation of the cable winding frame.

The pipeline surrounding type clamping tool comprises a supporting plate, the top of the supporting plate is fixedly connected with an arc-shaped supporting plate and a machine box, the side, away from the machine box, of the top of the arc-shaped supporting plate is fixedly connected with a limiting plate, a containing groove is formed in the top of the arc-shaped supporting plate, and the limiting plate is fixedly connected with the side, away from the machine box, of the arc-shaped supporting plate. A gear ring is arranged in the middle of the containing groove, a first protection pad is fixedly connected to one side of the gear ring, and limiting blocks are fixedly connected to the two ends of the gear ring. Firstly, a motor is started to control a gear to drive a gear ring to rotate, the gear ring can be moved to the top of an arc-shaped supporting plate from an inner opening of a containing groove, a second electric push rod is started to control an extrusion block to fix the gear ring, then a first electric push rod is started to control an extrusion plate to extrude a threaded pipe, and the threaded pipe is fixed through cooperation of the gear ring. And when a plurality of clamping tools are used, the clamping tools do not need to be manually and sequentially rotated to control clamping, and the working efficiency is improved.

The utility model belongs to the field of sand blasting devices, and particularly relates to a sand blasting device for metal target material processing, which comprises a box seat, a flow guide cover is fixedly mounted in the box seat, a collecting box is slidably connected in the box seat, a limiting mechanism is arranged at the bottom of the inner side of the box seat, and a supporting rod frame is fixedly connected to the bottom of the inner side of the flow guide cover. A connecting base is installed in the supporting rod frame through a damping shaft, a clamping plate is fixedly connected to the upper end of the connecting base, and a guide rod frame is fixedly connected to the lower end of the clamping plate. The limiting mechanism is additionally arranged in the box base, the universal wheels are additionally arranged on the collecting box, the guide strip is additionally arranged on the flow guide cover, the collecting box can be stably installed in the box base through the guide strip and the limiting frame, and then when the collecting box needs to be taken, only the limiting frame needs to be separated from the collecting box, and the collecting box can be conveniently taken. And then the collecting box can be moved through the universal wheels, so that the collecting box is more convenient to carry.

The utility model provides a tarpaulin welding supporting table which comprises a body, containing grooves are formed in the tops of the two ends of the body, and supporting frames are arranged on the two sides of the two ends of the body. The guide column is horizontally and rotationally arranged between the two opposite supporting frames, and the guide column is located in the containing groove; the driving column is located above one guide column, the driving column and the guide column form a clamping space, one end of the driving column is provided with a Z-shaped driving handle, and the driving handle is used for rotating the driving column. According to the supporting table for tarpaulin welding, the using function effect is better.

The utility model discloses an oscillation device for detection pretreatment of pesticide residues of traditional Chinese medicinal materials, and belongs to the technical field of food detection equipment. The oscillation device comprises a main machine and an oscillation disc arranged on the main machine, and further comprises a fixing assembly which comprises a fixing rod which can be in threaded connection with connecting holes corresponding to the two ends of the main machine and located on the outer side of the oscillation disc; mounting pieces which can be connected with the fixing rods are arranged at the two ends of the fixing frame; the fixing holes are transversely and longitudinally formed in the fixing frame at intervals; the fixing frame is positioned above the oscillation disc; the vertical projection of the fixing hole is located in the area range of the oscillation disc. The fixing rod can be installed in the connecting hole, the fixing frame is installed on the fixing rod through the installing piece, the fixing hole is used for containing a sample container, the sample container can be supported and limited in the oscillation processing process, the container is prevented from shaking and falling out of the pipe frame, and the situation that sample powder adheres to the inner wall of the container due to the fact that the oscillation amplitude is too large can be avoided; the extraction effect is influenced.

The clamp for enhancing the turning rigidity of the cage type part comprises a chuck, one side of the chuck is fixedly connected with a positioning check block, the side, away from the chuck, of the positioning check block is fixedly connected with a limiting block, and a base plate is arranged on one side of the chuck and located on the outer side of the positioning check block in a sliding mode. The side, away from the chuck, of the base plate is provided with a clamping jaw, and the surface of the clamping jaw is in threaded connection with a bolt. According to the clamp for enhancing the turning rigidity of the cage type part, the positioning check blocks and the clamping jaws are adopted for positioning and clamping the workpiece in the axial direction and the radial direction at the same time in the new clamping process, in the clamping process, the workpiece is automatically corrected, it is guaranteed that the two ends of the workpiece are concentric, meanwhile, the clamping positions of the clamping jaws are very close to threads, and the cutting rigidity during thread turning is guaranteed; therefore, the problem of tool vibration during thread turning is effectively avoided, the qualified rate of products is increased, and tool loss is reduced.

The utility model discloses butt joint equipment for round pipe welding, and relates to the technical field of welding equipment. Comprising a bottom plate, a rack is fixedly arranged in the middle of the bottom plate in the length direction of the bottom plate, five moving parts are movably arranged on the rack in an engaged mode, fixed rotating parts are symmetrically arranged on the upper portions of the moving parts arranged at the two ends of the rack, and a supporting part is fixedly arranged on the upper portion of the moving part arranged between the fixed rotating parts. The lifting welding part is arranged in the middle of one side of the bottom plate in the length direction, the supporting part can adjust the height of a butt-joint steel pipe, a chuck of the fixed rotating part can conveniently clamp and fix the tail end of the steel pipe, the fixed rotating part can be in butt joint with the front end of the steel pipe through opposite movement, and surrounding welding of the butt-joint position of the butt-joint steel pipe is achieved through rotation.

The utility model relates to the technical field of machining auxiliary equipment, in particular to a shaft part nitriding tool which comprises a nitriding furnace main body, a first air cylinder is arranged on one side of the nitriding furnace main body, a top cover is arranged above the nitriding furnace main body, and a fixing plate is fixedly installed on a side edge plate body of the top cover. The tail end of a telescopic shaft of the first air cylinder is detachably installed on the fixing plate, a driving motor is fixedly installed at the center of the top face of the top cover, a rectangular rod is installed at the tail end of an output shaft of the driving motor, a second air cylinder is arranged at the bottom of the nitriding furnace body, and a telescopic shaft of the second air cylinder penetrates into the nitriding furnace body and is detachably provided with a supporting base. And a convex column is rotationally connected to the center position of the supporting base, a mesh cylinder is installed at the top end of the convex column, a center column is fixedly installed at the center position of the mesh cylinder, a rectangular insertion hole is formed in the center column, and the rectangular rod is matched with the rectangular insertion hole in an inserted mode. The dynamic nitriding device is convenient for dynamic nitriding operation and is beneficial to improving nitriding quality.

The utility model discloses a kind of U-shaped cylindrical pin bending tool, belong to the technical field of machining, comprising: the bottom plate of being made with sliding slot and center through-hole, the base of being installed in bottom plate bottom and inside installation has spring, the shell fixed on bottom plate, the inner shell fixed in the left and right sides in shell interior, left and right platform block rotationally connected in two inner shell interiors, front and rear push block installed in shell front and rear side, recess die installed between left and right platform block, and male die with recess die die closing;The part to be formed is fixed in platform block top, adjust the interval of two inner shells and front and rear push block, male die presses down recess die, recess die promotes left and right platform block rotation and carries out bending, after bending, spring rebounds and pops out forming part.The utility model structure scientific and reasonable, use safe and convenient.

This utility model relates to the field of printing rubber rollers, and more particularly to equipment for producing rubber coatings for printing rubber rollers. The utility model includes: a base; a clamping seat fixedly connected to the upper surface of the base; a fixing clamp fixedly connected to the upper surface of the clamping seat; a movable clamp slidably connected to the upper surface of the clamping seat; a slide rail fixedly connected to the upper surface of the base; a sliding seat slidably connected to the upper surface of the slide rail; a first telescopic rod fixedly connected to the upper surface of the sliding seat; a bonding machine fixedly connected to the output end of the first telescopic rod; a push rod slidably passing through one side of the bonding machine; a bonding mold fixedly connected to one end of the push rod; and a roller support device provided on the upper surface of the base, the roller support device including two grooves formed on the upper surface of the base. The printing rubber roller coating production equipment provided by this utility model has the advantages of aligning the axis of the printing rubber roller with the center of the clamping equipment, and improving clamping efficiency and accuracy.

This invention discloses a forklift lever head component processing device, relating to the field of forklift lever head drilling technology; it includes a drilling mounting component, on which a clamping and positioning component is mounted to ensure drilling stability; a transfer auxiliary component is mounted on the drilling mounting component to reduce clamping difficulty; an inclined drilling guide component is mounted on the drilling mounting component; a wear compensation component is mounted on the inclined drilling guide component; the wear compensation component is used to limit the drill bit on the drilling mounting component; by adjusting the compensation slider, wear can be compensated, ensuring that wear can be compensated after long-term use, reducing operating costs; and with the trimming guide ring, trimming can be performed using the drill bit after wear and displacement adjustment of the compensation slider; thus solving the problem that the drill bit positioning block used in current forklift lever head drilling devices is not convenient for compensating wear and for verifying wear.

The utility model discloses an interventional robot slave end device adopting a convergence driving module, which comprises a linear track group, and a first port control module, the convergence driving module and a first clamping rotating mechanism are sequentially arranged on the linear track group through a plurality of module fixing seats respectively. The first port control modules, the convergence driving modules and the first clamping and rotating mechanisms are sequentially arranged in the length direction of the linear rail set from front to back, and the module fixing seats can drive the corresponding first port control modules or the convergence driving modules or the first clamping and rotating mechanisms to reciprocate during reciprocating motion to achieve delivery of intervention consumables. The convergence driving module converges at least two rear intervention consumables and then penetrates into the front intervention consumables at the same time. Convergence of the guide wires and / or the guide pipes is achieved through the convergence driving module, and therefore the multiple guide wires and the multiple guide pipes cooperatively move in place to enter a target object and work.

The utility model discloses a port polishing device for vacuum cavity processing, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a vertical plate, one side of the vertical plate is provided with a driving assembly, one side of the vertical plate far away from the driving assembly is provided with two clamping blocks, and the opposite sides of the two clamping blocks are provided with chutes. By arranging the annular pipe, the polisher, the dust collecting box, the fan and the like, the position of the polisher can be adjusted under the driving of the electric guide rail while the connecting plate rotates, so that ports at different positions of the vacuum cavity can be conveniently polished, the working efficiency is improved when the ports of the vacuum cavity are automatically polished, and the labor intensity of workers is reduced. And meanwhile, under the action of a dust removal cover and an annular pipe, dust generated in the grinding process can be adsorbed and collected under the action of a draught fan and a dust collection box, an operator is prevented from adsorbing the dust into the body, and the safety of body health is guaranteed.

The utility model relates to the field of winding body gumming technology discloses a kind of positioning and laminating device for winding body bottom gumming, including rack, adjusting assembly, laminating component and clamping assembly, the adjusting assembly is installed on rack upper end, the laminating component is installed in adjusting assembly interior, the clamping assembly is installed in adjusting assembly left side.The utility model has following advantages and effects: adjusting assembly is cooperated with sliding table by first screw rod, it is convenient to carry out position adjustment to support plate, meet the gumming demand of different winding body, it is convenient to carry out positioning gumming to winding body, expand the application range of positioning and laminating device, simultaneously, laminating component is cooperated with movable block by air slot, it is convenient to carry out position adjustment to close wheel according to use demand, make adhesive tape and winding body close, improve winding body gumming effect.

The utility model discloses a cell culture bottle rack relates to cell culture device technical field. The cell culture bottle rack includes rack base, support platform, clamping unit, limit block, clamping block and locking unit, and support platform slidingly connects in the top of rack base. The cell culture bottle rack passes through the design of support platform, clamping unit and limit block, makes cell culture bottle convenient for clamping between two sets of limit blocks, keeps clamping stable, and cell culture effect is guaranteed, and simultaneously, through the design of limit block, clamping block and locking unit, makes limit block convenient for dismounting and replacement model, to adapt to multiple models cell culture bottle, ensures that the contact area between cell culture bottle and limit block is big during clamping process, and clamping effect is good, and safety is good, satisfies use demand.

This application belongs to the technical field of adhesive application devices for integrated thermal insulation and decorative panels, and discloses an automatic adhesive application device for integrated thermal insulation and decorative panels. The present invention includes a base, a first conveyor mounted on the base, and a second conveyor mounted on the base. Both the first and second conveyors are equipped with clamping mechanisms, each clamping mechanism including a clamping plate. An inclined plate is fixedly connected to one end of the clamping plate, and a clamping electric push rod is fixedly connected to one side surface of the clamping plate. A spraying mechanism is located above the first conveyor, and the spraying mechanism includes a guide rail box located above the first conveyor. In this application, by providing clamping mechanisms, the integrated thermal insulation and decorative panels can be clamped more conveniently, preventing movement or displacement during transportation and adhesive application, ensuring the accuracy of adhesive application. Furthermore, the rollers in the clamping mechanism reduce the frictional force in contact with the clamped integrated thermal insulation and decorative panels.

The utility model relates to a preservative film rewinding device. A second guide inclined plate is matched with a moving assembly to facilitate replacement of a rewinding drum, when the rewinding drum is replaced, a reciprocating lead screw controls a rewinding structure to move to a preset position, an electric push rod controls a moving plate to move in the direction of the second guide inclined plate, a second limiting inclined block pushes a connecting block, a Y-shaped supporting frame in the vertical state inclines, and the rewinding drum is replaced. After the rewinding drum slides into the clamping groove, an electric push rod controls a movable plate to be away from a second guide inclined plate, when a torsional spring is reset, a Y-shaped supporting frame is synchronously driven to be reset to be in a vertical state, the electric push rod drives the movable plate to move towards the rewinding structure, and then the rewinding drum is driven to move towards the rewinding structure; and through cooperation of the second guide inclined plate, the moving assembly and the rewinding structure, the rewinding barrel can be automatically replaced.

The application discloses a radial positioning structure for machining a big gear ring and a positioning method thereof, which comprises a base and a gear ring, the gear ring is coaxially arranged above the base, a driving assembly for supporting rotation of the gear ring is fixed to the top of the base, a positioning tooth block which extends into the inside of the gear ring and is engaged with the internal gear on the inner circumference of the gear ring is fixed to the top of the base, a movable assembly is arranged above the base, a supporting assembly for supporting the movable assembly and the positioning tooth block to move up and down is arranged on the inside of the base, and an auxiliary assembly is arranged between the supporting assembly and the movable assembly. The application has the beneficial effect that a plurality of press rollers for supporting rotation of the gear ring are arranged above the base, the positions of the plurality of press rollers can be synchronously adjusted by the locking motor in the middle, thereby the gear ring placed in the middle of the plurality of press rollers is automatically centered and locked and clamped, manual adjustment of the supporting position of the clamp is not needed, clamping is more convenient, the initial distance between the adjacent internal gears is kept consistent, and the quality of the gear ring is ensured.

The invention provides a curved-surface foam processing method. The curved-surface foam processing method comprises the following steps: S1, performing three-dimensional modeling on curved-surface foam and uniformly dividing the curved-surface foam into a plurality of small foam blocks; s2, the foam blank is clamped and fixed to a platform with a groove; s3, the foam blank is machined into small foam blocks through a three-axis machine tool; and S4, splicing and assembling the processed small foam blocks to obtain the complete curved-surface foam. The machining device has the effect of achieving high-profile-precision machining of large curved-surface foam.