118results about How to "Strong clamping force" patented technology

The five-axis numerical control machine tool comprises an electric push rod and a machine box, a sealing plate arranged on the machine box rotatably exposes an internal machining space, the bottom of the machine box communicates with a clamping assembly, the bottom of an inner cavity of the machine box is fixedly connected with a protection assembly, and the top of the protection assembly is slidably connected with an auxiliary frame. A cooling assembly is fixedly connected to the position, away from the protection assembly, of the machine box. According to the five-axis numerical control machine tool for workpiece milling, the situation that the temperature of a milling device and the temperature of a workpiece are too high, so that use of equipment is affected is avoided, and therefore the situation that the surface of the workpiece is scratched due to the fact that chippings are accumulated on the clamping assembly is avoided, the machining precision of the milling device is improved, and the workpiece machining difficulty is reduced; and the influence of circulation of the cooling liquid on cooling is avoided, the workpiece machining integrity is ensured, and chippings generated by the workpiece and the cooling liquid are collected through the clamping assembly.

The invention relates to the technical field of medical apparatuses and instruments, and discloses a gastroenterology department endoscope auxiliary tractor which comprises a shell, three limiting rings are fixedly connected to the inner wall of the shell, a grip is fixedly connected to the side wall of the shell, a rubber expansion block is fixedly connected to the outer wall of the grip, and a user presses an arc-surface extrusion plate to descend, so that the rubber expansion block is expanded, and the rubber expansion block is expanded. The spring plate and the bevel friction block are driven to descend, the bevel friction block is extruded, the spring plate retracts into the cambered surface extrusion plate, meanwhile, when the cambered surface extrusion plate descends, the cambered surface of the bottom of the cambered surface extrusion plate can make contact with the surface of the ball soft rod, the ball soft rod is extruded to move towards the direction of the fixing ring, the ball soft rod can extrude the clamping block, and the clamping block rotates; according to the clamping device, the clamping force can be controlled by the pressing depth of the cambered surface extrusion plate, it is ensured that the diseased region is accurately clamped, and the clamping force can be rapidly adjusted only by pressing the cambered surface extrusion plate or extruding the connecting plate.

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 invention discloses a textile fabric air permeability detection device, and relates to the technical field of textile processing, the textile fabric air permeability detection device comprises a rack, a connecting plate is fixedly connected to the side of the upper surface of the rack, rail strips are symmetrically mounted at the two ends of the connecting plate, the rail strips are arranged to limit a clamping device, and the clamping device can be clamped by the rail strips. The clamping devices are slidably connected to the inner cavities of the track strips, the clamping devices are arranged, the cloth can be clamped, the two ends of the cloth can be relatively far away from each other after the cloth is clamped, the cloth can be flattened, and the cloth can be flattened. The clamping device is arranged at the end of the cloth, the clamping force on the cloth is increased in the process that the end is far away, the cloth is prevented from wrinkling to influence the air tightness during air permeability detection, and the clamping device comprises a sliding block to achieve the effect of preventing the cloth from wrinkling and unevenness to influence the air permeability detection accuracy.

The utility model discloses a mobile phone telescopic support, which aims at solving the technical problem that a mobile phone shakes in a mobile phone support in use due to the fact that the mobile phone support in the prior art is not provided with a special locking mechanism, and comprises a shell, a rotating piece, an upper telescopic piece, a lower telescopic piece and a locking assembly are arranged in the shell, an upper rack is arranged on the upper telescopic piece, and a lower rack is arranged on the lower telescopic piece. The upper telescopic piece is provided with an upper rack, the lower telescopic piece is provided with a lower rack, the upper rack and the lower rack are arranged on the two sides of the rotating piece respectively and meshed with the rotating piece at the same time, the locking assembly comprises an on-off key, a locking elastic piece and a locking plate, and the locking plate is provided with clamping teeth matched with the upper rack. The locking plate gets close to the upper rack and is clamped in the upper rack by pressing the on-off key, so that the positions of the upper telescopic piece and the lower telescopic piece on the shell are locked; and when the switch key is reset, the locking plate stretches out and draws back to the upper telescopic piece under the action of the locking elastic piece, and the function that the upper rack or the lower rack is unlocked by the clamping teeth is achieved.

The utility model discloses a seedling taking device for crop seedling transplantation. The seedling taking device comprises a fixed cylinder and a seedling taking mechanism, the upper end of the fixing cylinder is fixedly connected with a fixing frame, the top end of the fixing frame is fixedly connected with a handle, and the outer surface of the handle is provided with uniformly distributed anti-skid grains; the seedling taking mechanism comprises rotating grooves, inclined plane pressing blocks and clamping plates, the rotating grooves are formed in the left side and the right side of the bottom end of the fixed cylinder, the inclined plane pressing blocks are rotationally connected to the interiors of the rotating grooves through pin shafts, the clamping plates are fixedly connected to the bottom ends of the inclined plane pressing blocks, and the seedling taking mechanism further comprises guide sliding grooves, sliding blocks and extrusion columns; according to the crop seedling transplanting and taking device, the stability and accuracy of the clamping process can be guaranteed, crop seedlings are protected against damage, meanwhile, the labor intensity of operators can be relieved through automation, the labor intensity of the operators is reduced, and the crop seedling transplanting and taking device is convenient to use and high in practicability. The operation comfort and safety are improved, and the labor cost is reduced.

The utility model discloses a high-stability polycrystalline silicon processing graphite clamping device which comprises a base, a clamping cap and a plurality of clamping petals, an electrode slot is formed in the bottom of the base, and a plurality of radial limiting blocks are arranged at the top end of the base; the clamping cap comprises a top plate and a circumferential plate, the top plate is provided with a top through hole, the clamping petal comprises a bottom block and a clamping block, and the bottom block is provided with a limiting sliding groove matched with the limiting block. According to the graphite clamping device, the number of the clamping petals is larger, so that the contact surface of the silicon core surrounded by the multiple clamping petals and the silicon core is more uniform, the clamping effect on the silicon core is better, and due to limiting of the limiting blocks, the silicon core is more uniform and stable in clamping force. The inverted-frustum-shaped surfaces at the top ends of the clamping petals are spliced into a complete inverted-frustum-shaped groove, so that silicon can be deposited in the inverted-frustum-shaped groove during deposition, and the bottom end of a silicon rod is more stably connected with the clamping device during growth of the silicon rod.

The utility model discloses an automatic assembly device of anastomat sleeve, including processing platform, the both sides symmetry of processing platform top is equipped with moving frame, two moving frame top all are equipped with limit component, the utility model has the beneficial effect that through the cooperation of external spring type telescopic link in limit component and rubber resistance block, can provide stable clamping force, can also adapt to different specifications sleeve, combines telescopic guide rod, slide bar etc.

The utility model relates to cable protection field especially relates to a kind of cable protection pipe flattening strength testing device, including workbench, mounting bracket, motor, shaft sleeve, screw rod and connecting plate, workbench top is provided with mounting bracket, the motor with output shaft downwards is installed in mounting bracket top, mounting bracket upper side portion is equipped with reinforcing plate, reinforcing plate middle part is rotatably connected with shaft sleeve, shaft sleeve is connected with the output shaft of motor, shaft sleeve inside is rotatably connected with screw rod, screw rod bottom is provided with connecting plate, mounting bracket rear side portion is equipped with stable guide rail. Screw rod mechanism driven by motor is converted to linear motion by rotating motion through shaft sleeve, cooperate with the rigid constraint of stable guide rail and guide block, ensure that pressing plate is vertically pressed without deviation, eliminate test data error;Dial gauge is directly monitored by pulling rope pressing plate displacement, form high-precision deformation to pressure curve, provide original data benchmark for evaluating the compression resistance of protection pipe.

This invention relates to the field of automotive parts loading and unloading equipment technology, specifically to an automotive parts loading and unloading robotic workstation, including a frame, a conveying device, and a robotic arm module. The conveying device has a sorting module, and the robotic arm module includes a robotic arm body and a picking module. The sorting module has mounting seats on both sides, on which first and second baffles rotate synchronously in opposite directions, allowing one part to be released at a time. The picking module includes a picking rack and paired gripping modules, with the gripping body equipped with a vacuum adsorption plate, using a dual mechanism of mechanical gripping and vacuum adsorption to pick up parts. This invention solves the problems of insufficient sorting accuracy and unstable picking in existing workstations, improves the reliability of sorting and picking, adapts to batch production cycles, reduces parts damage rates, has a reasonable structure, a high degree of automation, can be adapted to various specifications of automotive parts, and reduces manual labor intensity.

The invention discloses an indoor bicycle parking device, which comprises a horizontal pulley track, a front tire and a rear tire, the first clamping mechanism is arranged on the horizontal pulley track in a sliding manner and is used for clamping a rear wheel of the bicycle; the vertical pulley track is vertically connected to one end of the horizontal pulley track and is used for limiting a front wheel of the bicycle; the second clamping mechanism is arranged on the vertical pulley track in a sliding mode and used for clamping a front wheel of the bicycle; each of the first clamping mechanism and the second clamping mechanism comprises two clamping jaws and a clamping driving device used for driving the two clamping jaws to perform butt clamping action, and the clamping jaws are of arc-shaped rod structures and are used for being attached to the inner side face of a tire rim; the front wheel and the rear wheel are stably fixed through the synergistic effect of the second clamping mechanism and the first clamping mechanism, and deviation and shaking of the wheels in the bicycle lifting process are prevented; and the clamping jaws of the arc-shaped rod structures can be matched with the shape of a bicycle hub, so that the clamping stability is improved.

This invention provides a film stretching device, comprising: a base adapted to be fixedly connected to the equipment containing the film; and a clamping device disposed opposite to both sides of the film and fixedly connected to the base. The clamping device includes: a fixed base fixedly connected to the base; a first roller shaft connected to the fixed base; a first clamping roller rotatably connected to the first roller shaft; a second roller shaft oscillatingly connected to the fixed base; a second clamping roller rotatably connected to the second roller shaft; and a driving device for clamping the first and second clamping rollers. When the first and second clamping rollers are clamped, the rotation axes of the second and first clamping rollers are parallel, and the film passes between the second and first clamping rollers. This device overcomes the problem in the prior art where the film is not easily flattened, causing production quality defects. This invention also provides a winding device with this film stretching device.

The invention discloses a wire clamp which comprises a main box body, a wire clamp shell and a wire clamp seat arranged in the wire clamp shell, an installation groove is formed in the wire clamp shell, the wire clamp seat is placed in the installation groove, two inner wire clamping through holes are formed in the wire clamp seat, more than one first insertion groove is formed above each inner wire clamping through hole in parallel, and the first insertion groove and the second insertion groove are arranged in parallel. An upper aluminum pressing column is inserted in each first inserting groove, more than one upper thorn piece is vertically arranged below each upper aluminum pressing column, an aluminum sliding block is connected below each inner wire clamping through hole in an up-down sliding mode, more than one second inserting groove is formed in the upper portion of each aluminum sliding block in parallel, and a lower aluminum pressing column is inserted in each second inserting groove. More than one lower stabbing piece is vertically arranged above each lower aluminum pressing column, the lower stabbing pieces and the upper stabbing pieces are symmetrically arranged, a torque screw rod is rotatably connected below each aluminum sliding block, and the screw rod part of the torque screw rod is in threaded connection with the bottom of the wire clamp seat. According to the structure, the cable clamping effect is improved.

The utility model discloses a kind of laser cutting structures of clamping card pipe, including chassis, the side mount frame of guide rail strip is installed in the top of one side of chassis, equidistantly installed on the pipe body auxiliary support assembly of chassis, the pipe feeding travelling trolley is installed on the side mount frame, the pipe feeding chuck is installed on pipe feeding travelling trolley, the pipe body fixing mechanism is installed in the top of one end of chassis, the cutting mechanism is located in one end of chassis, and cooperates with the pipe body fixing mechanism, and the hydraulic blanking mechanism for supporting pipe body is located in front of cutting mechanism;The stability, efficiency and safety of production are improved by the precise design and automation control of this structure, and it is the effective application of laser cutting technology in pipe processing field.

The utility model belongs to the technical field of milk shaking devices, and particularly discloses a feeding bottle clamp and a milk shaking device using the same. The feeding bottle clamp comprises a clamp main body, the clamp main body is provided with a feeding bottle clamping cavity, a plurality of groups of elastic clamping pieces are arranged in the feeding bottle clamping cavity, each group of elastic clamping pieces comprises a plurality of elastic clamping pieces distributed along the circumference, one end of each elastic clamping piece is fixedly connected with the clamp main body, and the other end of each elastic clamping piece extends to the middle of the feeding bottle clamping cavity. The end, extending to the middle of the feeding bottle clamping cavity, of each elastic clamping piece is provided with a clamping part, the clamping parts on the elastic clamping pieces in each group form a circle in a surrounding mode, the clamping parts on the elastic clamping pieces in different groups are vertically layered, and the milk shaking device comprises the feeding bottle clamp. By arranging the multiple sets of elastic clamping pieces on the feeding bottle clamp, feeding bottles with different thicknesses can be stably clamped, and it is guaranteed that the thin feeding bottles are not thrown out when the milk shaking device operates at a high speed; by arranging the multiple sets of elastic clamping pieces, the clamping force of each set of elastic clamping pieces is not too large, and feeding bottles are convenient to take and place.

The utility model relates to the field of metal welding piece detection, and discloses a steel structure welding quality compression resistance detection mechanism which comprises a bottom plate, a mounting structure is fixedly connected to the middle of the upper end face of the bottom plate, a driving structure is fixedly connected to the middle of an inner cavity of the mounting structure, and clamping structures are symmetrically connected to the inner cavity of the mounting structure in a sliding mode. The left side of the upper end face of the bottom plate is fixedly connected with a containing structure, a lifting structure is arranged in the middle of the upper end face of the containing structure, the sliding block moves to make the clamping plate and the fixing structure slide relatively, and the steel structure makes contact with the fixing column. When interaction force is generated between the fixing column and the steel structure, the fixing column can slide towards an inner cavity of the sliding groove, the fixing spring contracts, so that the steel structures of different shapes are clamped and fixed, meanwhile, through the telescopic characteristic of the spring, it can be guaranteed that stable clamping force can be provided on the surfaces of the steel structures of different shapes, and the clamping effect is good. And the steel structure is prevented from displacement in the subsequent detection process, so that the accuracy of the detection result is ensured.

The utility model relates to the technical field of pearl wool and discloses a pearl wool pushing device which comprises a material box and an air cylinder installed on the outer wall of the material box, a feeding hopper is fixedly arranged on one side of the top of the material box, a baffle is arranged at one end of the material box, the output end of the air cylinder extends into the material box and is fixedly provided with a top plate, and a material pushing plate is arranged at one end of the top plate. Buffering rods used for buffering are arranged on the two sides of the back wall of the pushing plate, the outer walls of the buffering rods are sleeved with buffering springs, and a pushing block is fixed to the center of the bottom of the top plate. A buffer rod and a buffer spring are arranged between the top plate and the material pushing plate and move close to pearl wool along with the material pushing plate, a certain buffer effect is achieved, the situation that the pearl wool clamping force is too large due to mechanical driving is avoided, and damage to the pearl wool is effectively reduced; when the material pushing plate pushes materials forwards, the baffle moves downwards along with the material pushing plate, and the baffle can be matched with the material pushing plate to push pearl wool to be discharged.

The utility model discloses a double-sealing-ring self-tightening type pipeline quick connecting device which comprises a connecting body, a first sealing ring, a second sealing ring, a locking ring and an elastic clamping jaw. Inserting cavities are formed in the two ends of the connecting body, and first sealing grooves and second sealing grooves are formed in the inner walls of the inserting cavities and provided with first sealing rings and second sealing rings respectively. The outer wall of the connecting body is provided with external threads, and the locking ring is matched and connected with the external threads through the internal threads. And the elastic clamping jaw is arranged at the end part of the insertion cavity to form a clamping part. By arranging the double sealing rings, namely the first sealing ring and the second sealing ring, the sealing performance of pipeline connection can be effectively improved, and the leakage phenomenon is reduced.

The large buzzing sheet comprises a metal substrate and a piezoelectric ceramic sheet arranged on the front surface of the metal substrate, the left side and the right side of the metal substrate are respectively provided with a side wing plate, the back surface of each side wing plate is fixedly connected with a back plate, and one side, far away from each side wing plate, of each back plate extends to the back surface of the metal substrate. The front of the side wing plate is fixedly connected with a front plate, the side, away from the side wing plate, of the front plate extends to the front of the piezoelectric ceramic piece, the top of the side wing plate is provided with a connecting plate, the front and back of the connecting plate are in swing connection with swing rods, and the sides, away from the connecting plate, of the swing rods extend to the outer side of the side wing plate and are fixedly connected with the side wing plate. Through the wrapping design of the left and right side wing plates, the back plate and the front plate, the piezoelectric ceramic piece is completely wrapped in the metal frame, a plane fixing mode of single glue bonding is replaced, the frame structure disperses shear force generated by vibration to the whole side wing plate system, stress is prevented from being concentrated on a glue bonding surface, and the service life is prolonged.

The utility model belongs to textile detection technical field especially relates to a kind of clamping mechanisms for textile tear resistance performance detection, including fixed plate and bottom disc, fixed plate is fixedly installed in the upper end surface of bottom disc, the top of one end of fixed plate is vertically fixed with fixed clamping plate, the top of the other end of fixed plate is slidably provided with movable clamping plate, the middle position of the bottom end of fixed clamping plate is fixedly installed with first electric push rod, the telescopic end of first electric push rod is fixedly connected with movable clamping plate, the middle part of the outer wall of the side of movable clamping plate close to fixed clamping plate is fixed with horizontal plate, the height position corresponding with horizontal plate is provided with through slot structure in the inside of the bottom end of fixed clamping plate, the side of the top of movable clamping plate and fixed clamping plate mutually close is fixed with the first clamping part of the first clamping part that can mutually engage, the outer wall of the side of fixed clamping plate away from movable clamping plate is fixed with two support rods symmetrically, clamping assembly is installed on support rod corresponding through slot structure, and two support rods are equipped with the push assembly for controlling the operation of clamping assembly.

The utility model relates to the field of joint machining tables, in particular to a hose joint machining table with a positioning structure. The technical problems that in the machining process of an existing machining table, joints are machined through a flaring tool, a cutting tool and other tools, due to the fact that the sizes of the joints needing to be machined are different, when the machined joints are limited, a positioning assembly cannot be matched with the joints, the positions of hose joints are likely to be unstable in the machining process, and the machining precision is affected are solved. The size of the hose connector is inaccurate, a machining hole position deviates from a specified requirement, machining elements are damaged, and machining quality is reduced. According to the technical scheme, the hose connector machining table with the positioning structure comprises a workbench, a clamping and discharging assembly, an adjusting and positioning assembly, a movable punching assembly and a sliding assembly; the telescopic rod is driven by the driving motor to stretch back and forth, the closed clamping plate is pushed to be opened in combination with the insertion rod on the inner wall of the fixing block, stretching and opening and closing of the clamping plate are accurately controlled, and it is ensured that the process of clamping the connector is controllable.

A screw-in type mushroom head buffer cushion buckle comprises a mushroom head which comprises a conical surface section and a circular ring section which are integrally formed, and a spiral curved surface is arranged on the inclined surface of the conical surface section; a connecting plate; the connecting section is used for connecting the mushroom head and the connecting plate; wherein the mushroom head, the connecting section and the connecting plate are integrally formed, a groove is formed in the top of the conical surface section of the mushroom head and used for pre-storing deformation, the mushroom head and the mounting hole are guided and screwed in through the spiral curved surface by pressing the connecting plate, and extrusion force is reduced. During installation, the mushroom head is aligned with the installation hole, then the connecting plate is pressed, axial force borne by the mushroom head is converted into circumferential force through the spiral curved surface of the mushroom head, the circumferential force enables the mushroom head to be tightened and compressed in the circumferential direction, and then the circumferential size of the mushroom head is smaller than that of the installation hole till the circular ring section of the mushroom head penetrates through the installation hole. As the mushroom head enters through circumferential spiral sliding instead of circumferential interference and extrusion at the same time, the extrusion force does not need to be too large.

The application discloses a kind of composite diaphragm quality detection equipment based on lithium battery production, it is related to lithium battery production relevant technical field, including tensile testing station and be arranged on detection table drive mechanism, the power output end of the drive mechanism is arranged with two sets of clamping mechanism, two sets of clamping mechanism respectively clamps the two ends in composite diaphragm tensile direction, based on the driving action of drive mechanism, two sets of clamping mechanism relatively move, the clamping mechanism includes the drive plate being arranged on the power output end of drive mechanism and the extruding piece being arranged on drive mechanism, drive plate is equipped with clamping plate;In the tensile detection stroke of composite diaphragm, based on the extruding action of extruding piece, the clamping force of clamping plate to composite diaphragm gradually increases.

The utility model relates to food detection technical field discloses a food detection sample rack, including storage box, multiple storage compartments are equipped with in storage box equidistance, the pullable frame body is equipped in storage compartment, and the frame body is U type structure, is equipped with the transverse plate on the frame body, multiple placing holes are equipped with equidistance on the transverse plate, and the fixed assembly is connected at the placing hole, the fixed assembly includes two symmetrical settings adjusting plate, and the vertical board is symmetrically equipped with on the transverse plate one side at the placing hole, and the two vertical boards are rotatably connected with bidirectional screw rod, and the one end of bidirectional screw rod extends to one of vertical board one side and is connected with knob, and the connecting plate is connected on the adjusting plate, and the connecting plate one end is with bidirectional screw rod screw connection, and the clamping plate is equipped with on the adjusting plate through a plurality of springs. The setting of fixed assembly, drive the interval of two clamping plates through bidirectional screw rod, realize the fixed clamping test tube of different size, ensure its security of storage.

The utility model discloses a connecting structure of motorcycle oil tank, it includes the casing, the lower extreme of casing is provided with the limit component, the limit component includes the two sliding slots of opening in the lower extreme of casing, the inside sliding connection of sliding slot has the connecting block, the lower extreme fixed connection of connecting block has the limit board, the limit board inner wall is provided with the installation slot, the inner wall fixed connection of installation slot has the friction pad. Through above -mentioned structure can effectively eliminate the assembly gap between oil tank and frame installation space, prevent the transverse movement of the vehicle driving because of vibration. The stable clamping force can be maintained when using for a long time, avoid the problem of fuel leakage caused by the decline of fuel pipe joint sealing performance, thread connection loosening, thereby.

The application belongs to the technical field of medical devices, and particularly discloses an interventional delivery release device, which comprises a delivery tube and a release assembly. The distal end of the delivery tube is provided with a positioning hole and an elastic plate. The release assembly comprises a release wire and a spring arranged in the delivery tube. The release wire is located on the side of the spring away from the positioning hole along the center line direction of the positioning hole. The elastic plate extrudes the spring on the side facing the delivery tube. The inner wall of the delivery tube, the peripheral part of the release wire and the outer periphery of the spring are sequentially abutted, and the distal end of the spring is abutted with the distal end hole wall of the positioning hole. The distal end hole wall of the positioning hole is arranged to protrude from the outer periphery of the spring along the radial direction of the delivery tube.

The clamp comprises a base, a clamping assembly and a cover plate, a plurality of fixing grooves are formed in the base at equal intervals, first connecting pieces are arranged in the fixing grooves, the first connecting pieces are configured to connect the base to a machine tool, the clamping assembly comprises a hydraulic piece and an extrusion piece, and the hydraulic piece and the extrusion piece are arranged on the base. The hydraulic part comprises a mounting part and a clamping part, the mounting part is fixedly mounted on the base through the cover plate, the clamping part is configured to clamp a blade handle part, a liquid storage channel is formed in the clamping part, an extrusion part is arranged at an opening of the liquid storage channel, and the extrusion part is configured to extrude liquid in the liquid storage channel so as to enable the inner wall of the clamping part to generate strain; and the blade handle part is extruded, so that the blade handle part is fixed. According to the clamp, the liquid in the liquid storage channel is extruded through the extrusion piece, so that the inner wall of the clamping part generates strain to fix the blade handle part, uniform and stable clamping force is provided for the blade handle part, and the machining precision of the coaxiality of the blade handle part of the gas turbine is improved.

The utility model relates to the field of medical teaching model, specifically disclose a kind of oral teaching training model, comprising: stand, upper frame, lower frame, upper dental bed part, lower dental bed part and tongue body part, detachable face skin cover is sleeved on upper frame and lower frame and face skin cover is clamped by first clamping assembly and second clamping assembly, to facilitate the disassembly and cleaning of face skin cover;Upper dental bed part and lower dental bed part are respectively clamped by upper telescopic part and lower telescopic part and can be realized from the mouth of face skin cover to the outside, so that the teeth inside can be exposed, facilitate its explanation display and disassembly.

The utility model discloses a multifunctional clamp for valve machining, include: operation panel, the top fixed connection of operation panel has support frame, one side fixed mounting of support frame has servo motor, the output shaft rotation of servo motor penetrates support frame and fixedly connected with the rotation bucket, set up the liquid clamping unit on the rotation bucket, the liquid clamping unit includes hydraulic pressure part, and with the clamping portion of intercommunication of hydraulic pressure part, the hydraulic pressure part makes the clamping portion to the inner chamber of valve and carries out the clamping through the hydraulic pressure, sets up the support unit on operation panel. The utility model discloses through liquid clamping unit can adapt to the valve of different size, and through the 360 degrees around type clamping, to avoid the inner wall damage and provide stable clamping force, through servo motor can drive the valve and carry out the rotation, to adjust the angle of valve and facilitate the subsequent processing.