52results about How to "Avoid extrusion deformation" patented technology

The utility model discloses a kind of seamless heat shrinkable sleeve pulling devices, including support platform, the top side of support platform is fixedly connected with positioning frame, the top two sides of positioning frame are all provided with arc-shaped recess, and the top of positioning frame between two groups of arc-shaped recess is fixedly connected with adjusting frame, the two sides of adjusting frame are all provided with a group of adjusting groove, the inside of adjusting frame is fixedly connected with a pair of guide slide rod, the top of adjusting frame is threadedly connected with adjusting screw rod, the bottom end of adjusting screw rod is rotatably connected with clamping frame in the inside of adjusting frame, the bottom two sides of clamping frame and the position corresponding with arc-shaped recess are provided with clamping groove, the inner wall two sides of clamping groove are all installed with elastic telescopic strip one, compared with existing heat shrinkable sleeve pulling device, the utility model can improve the stability of heat shrinkable sleeve pulling clamping by design, enhance overall practicability.

This invention relates to the field of air conditioner metal parts processing technology, and specifically discloses a tapping device suitable for processing air conditioner metal parts. A driving component is fixedly connected to the top of the base, and a movable frame is fixedly connected to the output end of the driving component. A tapping component is fixedly connected to the middle of the movable frame, and a protective component is fixedly connected to the bottom of the movable frame. A worktable is fixedly connected to the base, and a transmission component is fixedly connected to the inner side of the worktable. Positioning components are slidably connected to both sides of the top of the worktable. This tapping device for processing air conditioner metal parts addresses the issue of weak structural strength in the hollowed-out workpiece. If forcibly clamped and positioned, the clamping force concentrates on the sidewall of the workpiece, easily causing concavity in the sidewall and deformation of the hollowed-out area. The first spring allows the positioning plate to adaptively buffer the clamping force after contacting the workpiece, dispersing pressure and preventing extrusion deformation of the hollowed-out workpiece's dimensions.

The utility model discloses a piston sealing ring machining device, it includes: the mounting piece, the outer wall of mounting piece is ring array and is opened with the sliding slot, and the side wall of mounting piece is opened with the installation hole that communicates with the sliding slot, a plurality of the sliding slot all are inlayed with the sliding block, a plurality of the inner wall of sliding block all are opened with the taper slot, the installation hole is adjustably installed with the internal hexagonal screw rod, the outer wall welding of internal hexagonal screw rod is fixed with the convex part for pushing a plurality of sliding blocks, sealing ring raw material, sealing ring raw material sliding sleeve joint is established on the mounting piece, a plurality of sliding blocks all are with the inner wall of sealing ring raw material and abut, when processing sealing ring raw material, the inner wall of sealing ring raw material is fixed to the outside of mounting piece in the sliding slot movement of sliding block, and it is convenient to hold and fix the processing of piston sealing ring, avoids the extrusion deformation situation of piston sealing ring raw material.

This invention relates to the manufacturing process and equipment for U-shaped tubes used in nuclear power steam emitters, belonging to the field of U-shaped tube manufacturing technology. It addresses the challenges of existing U-shaped tube forming processes, requiring precision molding and ensuring corrosion resistance and high-temperature performance during use. The invention utilizes a U-shaped angle-fixed mold, allowing for the detachable shaping block assembly through the coordinated arrangement of the rotating frame, fixed clamp, and clamping adjustment components. The pressure forming mechanism and side support mechanism work together to allow for replacement of the side support mechanism by removing replaceable half-rings before U-shaped tube extrusion molding. During U-shaped tube extrusion molding, the tube support gradually changes its angle as the pressing assembly rises and falls. Simultaneously, the highly conforming tube support prevents deformation of both ends of the U-shaped tube. The tube body is made of heat-resistant steel with good corrosion resistance and high-temperature performance. This invention changes the U-shaped tube injection molding production process to a method where the tube is first manufactured and then mechanically bent.

This invention relates to the field of drilling machine technology, and more particularly to a drilling machine for processing electrical components with a fixed function. It includes a base and a mounting plate. The mounting plate is L-shaped and fixedly connected to the base. A drill bit is mounted on the mounting plate. A cleaning component is mounted on the base, comprising a moving plate, a first airbag, a discharge chamber, a triangular block, and vertical plates. Slide grooves are respectively formed on both sides of the base. The two ends of the moving plate are slidably connected to the slide grooves. Two vertical plates are fixedly connected to both ends of the moving plate. Two discharge chambers are slidably connected to both ends of the moving plate. In this invention, multiple support rods can support the workpiece. When the drill bit is used to drill holes in the workpiece, the support rods on both sides of the required drilling location prevent the workpiece from being squeezed and deformed during drilling.

This utility model relates to the field of fiberglass pipe production technology, specifically to a fiberglass pipe winding machine. It includes a winding machine body, a mounting frame, guide rollers, and guide components. The winding machine body has a movable structure, with the mounting frame connected to the movable part of the movable structure. Multiple guide rollers are arranged in parallel and rotatably connected to the mounting frame. Multiple guide components are provided and connected to the mounting frame. Each guide component comprises a guide rod, a connecting rod, and an adjusting component. In this utility model, when winding fiberglass, the operator can adjust the position of the guide rods according to the different sizes and diameters of the fiberglass, changing the spacing between the guide rods. This prevents the coarse yarn and multi-strand combined yarn bundles from being squeezed, deformed, and rubbing against each other, solving the yarn diameter compatibility problem. A limiting rod is provided on the connecting rod to prevent the guide rods from tilting or wobbling due to external forces during use.

The utility model relates to the section bar processing technical field, concretely is a kind of stacking machine for section bar production, including mounting bracket, the top of mounting bracket is fixedly installed with track piece, mounting bracket is fixedly installed with material receiving guide plate above track piece, multiple stacking assemblies are equipped on track piece, the lowest part of the top of track piece is close to material receiving guide plate and is provided with recess for stopping the stacking assembly of not full load, and buffer material receiving assembly for layer-by-layer subsidence material receiving and let stacking assembly full load after separating from recess is equipped on stacking assembly;By setting stacking assembly, buffer material receiving assembly and elastic component, utilize multiple stacking assemblies to sequentially complete moving, material receiving and separation process, realize the continuous stacking of section bar, when material receiving, the buffering effect of layer-by-layer subsidence can be formed, avoid the knock or extrusion deformation of section bar due to the too big drop, and elastic parameter is adjustable, can be adapted to section bar of different weight, size, satisfy diversified production demand, improve equipment versatility.

The invention relates to the technical field of corrugated cartons, in particular to a high-strength moisture regain prevention type corrugated carton which comprises a carton body. The top sealing assembly and the bottom sealing assembly are arranged at the top and the bottom of the box body respectively; the number of the bending grooves is four, and the four sets of bending grooves are located at the four corners of the box body; the moisture-proof plate is arranged in the box body, a mounting groove is formed in one side of the box body, and one end of the moisture-proof plate penetrates through the interior of the mounting groove. The inner walls of the four sides of the box body can be effectively supported, the overall strength of the box body is guaranteed, the situation of extrusion deformation in the follow-up transportation process is avoided, and in the supporting process, the first supporting assemblies are distributed in the box body at equal intervals from top to bottom, so that supporting force borne by the inner walls of the four sides of the box body is more uniform, and the service life of the box body is prolonged. And the overall strength of the box body is further improved.

The application discloses a structure frame for preventing steel sheet pile from extrusion deformation in soft soil foundation, and relates to the field of soft soil foundation excavation. The structure frame comprises a structure frame body, buffer assemblies are symmetrically and fixedly connected around the top of the structure frame body, a lifting ring is fixedly connected to the top of a top plate, ground burying columns are symmetrically and threadedly connected around the bottom of the structure frame body, a first hydraulic cylinder is fixedly connected to the back of a ventilation groove inner cavity, a first hydraulic rod is arranged in the inner cavity of the first hydraulic cylinder, second hydraulic cylinders are symmetrically arranged on the two sides of the structure frame body inner cavity, a second hydraulic rod is arranged in the inner cavity of the second hydraulic cylinder, and a handle is fixedly connected in the structure frame body inner cavity. The structure frame for preventing steel sheet pile from extrusion deformation in soft soil foundation can avoid the phenomenon that the structure frame is deformed due to the extrusion of soft soil during excavation work, so that the safety of workers and the excavation efficiency are improved.

The invention discloses an underground coal transport vehicle, and belongs to the technical field of coal transport devices, the underground coal transport vehicle comprises a vehicle frame main body and a vehicle head suspension plate, the outer side of the top end of the vehicle head suspension plate is provided with a guardrail assembly, and the top end of the vehicle head suspension plate is provided with a cockpit side protection assembly; a storage assembly and an anti-seismic supporting assembly are arranged at the position, located in the cab side protection assembly, of the top of the vehicle head suspension plate, and a throwing hole is formed in the top of the vehicle head suspension plate. Through cooperative arrangement of the trigger trapezoidal columns and the limiting clamping tongues, when the cockpit top plate is impacted by collapse objects, serious deformation of the cockpit top plate can be prevented through the anti-seismic buffer springs, meanwhile, resonance caused by impact of the collapse objects is weakened, and when the collapse objects cause deformation of the cockpit top plate, the limiting clamping tongues can be pressed downwards through the trigger trapezoidal columns, so that the collapse objects are prevented from collapsing. The seat bearing platform is put into the escape bin formed in the platform enclosure, and a driver can obtain escape materials in the material storage cabinet by opening the cabinet body closing plate and escape in time by opening the escape protection plate.

This utility model discloses a rapid pressing device for electro-hydraulic push rod seal rings, including an assembly table and an assembly base mounted on the assembly table. A fixing frame is fixedly installed at the bottom of the assembly table, and a first push rod is fixedly installed at the bottom of the fixing frame. The output end of the first push rod passes through the fixing frame and is fixedly mounted with a lifting platform. This utility model relates to the field of electro-hydraulic push rod processing technology. This rapid pressing device for electro-hydraulic push rod seal rings, through the cooperation between a fourth push rod and a clamping ring, allows the seal ring to be installed on the outer wall of the piston by an outward expansion method, avoiding the deformation of the seal ring caused by pressing installation, and increasing the stability during seal ring installation. Through the cooperation of the fourth push rod, the clamping ring, and the rotating ring, the hydraulic push rod piston after the seal ring is installed can be flipped, facilitating the installation of a second seal ring and improving the efficiency of seal ring installation.

This invention discloses an intelligent milling machine tool and method for spring processing, relating to the field of intelligent spring processing technology. It includes a milling power head and a worktable mounted on a frame, with the milling power head positioned above the worktable. A pulse chip removal mechanism is installed on the worktable, comprising a positioning sleeve, a directional nozzle assembly, a high-frequency pulse solenoid valve, and a cutting fluid pressure stabilization supply mechanism. This invention, by setting up a pulse chip removal mechanism and regulating the cutting fluid pressure through the cutting fluid pressure stabilization supply mechanism, achieves millisecond-level on / off switching of the cutting fluid via the high-frequency pulse solenoid valve. This causes the directional nozzle assembly to spray pulsed cutting fluid along the spring's spiral direction, forming a jet that penetrates the narrow spiral slit structure of the spring to remove chips. Combined with the outlet pipe at the bottom of the positioning sleeve, this achieves rapid discharge of chips and cutting fluid, thoroughly removing fine chips from the narrow spiral slit of the spring while avoiding the impact of the cutting fluid on low-rigidity springs, thus improving the accuracy and quality of spring end leveling processing.

The invention relates to the technical field of machining, in particular to a welding device for electric bicycle frame production and a welding method thereof, and the welding device is matched with automatic and semi-automatic electric arc welding equipment for use and comprises a mounting plate, a clamping plate and a hydraulic cylinder. The welding device comprises a fixing plate, a clamping mechanism, a reset mechanism, a limiting mechanism, a thermal reaction mechanism, a piston mechanism and a mounting base, during welding, the temperature rises, liquid in the thermal reaction mechanism evaporates and expands to push the piston mechanism to stretch out, and when the piston mechanism stretches out, the limiting mechanism relieves limiting on the clamping mechanism; and meanwhile, the reset mechanism pulls the clamping mechanism to be away from the high-temperature position of the pipe fitting frame. By means of the mode that the clamping mechanism is heated to be separated under the action of the thermal reaction mechanism, the problems that when a frame is welded, materials are softened due to the fact that the temperature around a welding point rises, and a pipe fitting frame positioning device cannot change the clamping force according to the material change, and consequently the positioning device extrudes and deforms the frame are solved.

A moving frame is connected in a hollow brush handle in an up-down sliding mode, bristles are arranged at the upper end of the moving frame, a rotating frame capable of rotating in the brush handle is connected below the moving frame in a rotating mode, a blocking portion for blocking the rotating frame from moving downwards is arranged in the brush handle, and a through hole is formed in the blocking portion. The rotating frame is provided with a projecting shaft which penetrates through the through hole and extends below the blocking part, a knob connected with the projecting shaft is arranged below the brush handle, the rotating frame is provided with a rotating shaft, the moving frame is provided with a sleeve arm, the rotating shaft is provided with a groove which is obliquely arranged from top to bottom along the outer surface of the rotating shaft, and the inner side of the sleeve arm is provided with a convex point which protrudes inwards in the groove. The protruding point is matched with the groove and moves along the groove to drive the moving frame to slide upwards or downwards in the brush handle when the rotating shaft rotates, the moving frame and the bristles are located in the brush handle when the protruding point is located at the lower end of the groove, the moving frame drives the bristles to extend upwards to the upper portion of the brush handle when the rotating shaft rotates to enable the protruding point to move towards the upper end of the groove, and the toothbrush is simple in structure and convenient to use.

The utility model discloses a railway passenger train brake head bush dismounting device which comprises a bolt, a brake head anti-deformation mechanism and a locking matching mechanism, the brake head anti-deformation mechanism and the locking matching mechanism are assembled on the bolt, and the brake head anti-deformation mechanism is used for being installed between two bush assembling plates of a brake head. The two lining assembling plates are respectively provided with lining assembling holes which are coaxially distributed with the bolts; the bolt comprises a screw portion and a driving portion which are integrally connected, the locking matching mechanism is in threaded connection with the screw portion, a sleeve is arranged between the driving portion and the brake head anti-deformation mechanism, a sleeve is arranged between the locking matching mechanism and the brake head anti-deformation mechanism, and the sleeves are bushings matched with the bushing assembly holes or sleeve withdrawing sleeves higher than the bushings. According to the utility model, the bush assembly plate of the brake head can be effectively prevented from being extruded and deformed, so that the maintenance cost is reduced, the two bushings can be inlaid or withdrawn at the same time, and the maintenance efficiency of the brake head is improved; in addition, use and operation are easy, and the requirement for maintainers is low.

The application discloses an oil fume suction equipment and belongs to the technical field of kitchen appliances. The oil fume suction equipment is designed to solve the problem that the connecting rod of the existing oil fume suction equipment is prone to colliding with surrounding structures. The oil fume suction equipment comprises a connecting rod, a fume collecting hood and a flap assembly. One end of the connecting rod is connected to the flap assembly, and the other end of the connecting rod is movably connected to the inner wall surface of the fume collecting hood. An installation through hole for penetrating the connecting rod is formed in the fume collecting hood. When the flap assembly is in an open state, a closed state and switches between the open state and the closed state, the distance between the connecting rod and the edge of the installation through hole and the top surface of the fume collecting hood during movement is always greater than a set value. The oil fume suction equipment disclosed by the application always leaves a gap between the connecting rod and the edge of the installation through hole and the top surface of the fume collecting hood during movement, and the flap assembly is more smooth to open and close, the inner top surface of the fume collecting hood and the installation through hole are prevented from being extruded and deformed by the connecting rod, the use experience is better, and the miniaturization of the overall structure is facilitated.

The utility model relates to the technical field of hoisting tools, and particularly discloses an auxiliary device for hoisting scattered articles in bridge construction. The device comprises a device body, the device body comprises a shell with a rectangular cross section, the shell comprises supporting assemblies arranged at the four corners of the shell, and a baffle is arranged between every two adjacent supporting assemblies; a bottom plate connected with the baffle is arranged below the shell, and the baffle, the bottom plate and the supporting assembly jointly form a storage interval used for storing objects. A cover plate assembly used for blocking the storage interval is arranged above the shell and movably connected with the supporting assembly. And the situation that in the lifting process, due to shaking of the shell, the cover plate is separated from the shell, and consequently articles in the storage interval fall off can be prevented.

The application belongs to the technical field of circuit board manufacturing, and particularly relates to a PCB (Printed Circuit Board) processing fixing device, which comprises a processing platform, a rotating tool and a fixing tool. The application adopts differential linkage transmission and multi-directional clamping and angle-adjustable integrated design. A differential docking device containing a transmission cabin, a driving rubber belt, a main and auxiliary transmission shaft and a gear assembly is arranged in the fixing base of the fixing tool. A multi-directional adjustable slot is arranged on the top, side and bottom of the fixing tool. A torsional spring elastic structure and a supporting middle arm are combined. A rotating adjusting structure is formed by a rotating screw rod, a rotating base and a limiting arm. The problems of poor adaptability, difficulty in compatibility with different specifications and special circuit boards, difficulty in controlling the fixing force, easy deformation or loosening of the circuit board, single fixing mode, insufficient stability, low function integration, frequent manual adjustment and positioning and low processing efficiency of the existing PCB fixing device are solved.

The present application relates to the technical fields of tank truck filling, and discloses a liquid chlorine tank truck filling device, which comprises a supporting column, the outer wall of the supporting column is provided with a plurality of conveying pipes, the outer wall of each conveying pipe is fixedly connected with a flange plate, the side of each conveying pipe away from the flange plate is rotatably connected with a rotary joint, and the outer wall of each conveying pipe is fixedly connected with a balancer, when the second fixing disc suddenly rotates, the limiting rod moves to the right side under the influence of centrifugal force, the limiting rod is in contact with the side wall of the second limiting groove, so that relative stillness is generated between the first fixing disc and the rotary joint, the rotation of the conveying pipe at the inner wall of the rotary joint is limited, the problem that if the balancer matched with the crane pipe suddenly fails when the crane pipe is connected with the tank truck and enters the medium conveying operation stage, the conveying pipe body rotates uncontrollably at the rotary joint under the influence of the relatively large dead weight of the crane pipe body, and the structural damage of the filling joint and safety accidents are caused is effectively prevented.

The utility model relates to the technical field of hydraulic oil cylinders, and discloses a hydraulic oil cylinder convenient to install, which comprises a hydraulic oil cylinder body, the hydraulic oil cylinder body is placed at the top end of an installation table, and the surface of the hydraulic oil cylinder body is in contact with four clamping blocks. The ends, close to each other, of the four clamping blocks are fixedly connected with protective cotton, the ends, away from each other, of the four clamping blocks are fixedly connected with transmission rings, and the number of the transmission rings is four. Firstly, the hydraulic oil cylinder body is placed at the top end of the mounting table. Then, an operator rotates four rotating handles, the rotating handles drive rotating rods to rotate, and rotation of the rotating rods is transmitted to clamping blocks through transmission rings, so that the four clamping blocks are close to one another until the protective cotton is in tight contact with the hydraulic oil cylinder body, and the hydraulic oil cylinder body is firmly clamped on the mounting table; the clamping columns at the top end of the top cover are aligned with the clamping grooves in the top end of the hydraulic oil cylinder body, the clamping columns are inserted into the clamping grooves, and the top cover is preliminarily positioned.

The utility model discloses a clamp device for wire laying, and relates to the technical field of wire laying. The clamp device for wire laying comprises a mounting plate, a first positioning mechanism and a first clamping mechanism, two groups of sliding blocks are slidably mounted on the mounting plate, the first clamping mechanism is arranged on one group of sliding blocks, the first clamping mechanism comprises a first clamping plate, a second clamping plate, a circular block and a clamping rod, the first clamping plate is fixedly mounted at the top of one group of sliding blocks, and the circular block is arranged on the second clamping plate. A second clamping plate is hinged to the first clamping plate, a circular block is integrally formed on the first clamping plate, and a clamping rod movably penetrates through the circular block. According to the clamp device for laying the electric wire, through the first clamping mechanism, the second clamping plate is opened and closed on the first clamping plate, the device can be clamped and separated from the electric wire in situ, disassembly and assembly are rapid, the electric wire does not need to be pulled, the electric wire is prevented from being bent, and the practicability of the device is improved.

The utility model provides a power plant building construction dewatering structure which comprises a coil pipe, an aluminum pipe is vertically arranged in the middle of the interior of the coil pipe, an upper layer filter plate is arranged on the aluminum pipe in a penetrating mode, and the bottom of the aluminum pipe is fixedly connected with a sludge collecting net cylinder through a fixing plate. According to the utility model, the lower-layer filter screen plate, the outer peripheral wall of the sludge collecting net cylinder and the inner peripheral wall of the ring cylinder are arranged to be of a clearance fit structure, so that the lower-layer filter screen plate and the sludge collecting net cylinder can be smoothly lifted up along with the aluminum pipe and then separated from the ring cylinder, and the sewage cleaning is more convenient; a sealing ring with an expansion function is arranged in a gap formed among the lower-layer filter screen plate, the sludge collecting net cylinder and the inner circumferential wall of the ring cylinder, so that filtering leakage can be effectively avoided, and meanwhile, the sealing ring has a contraction function, so that the operation of separating the lower-layer filter screen plate and the sludge collecting net cylinder from the ring cylinder is not influenced; compared with the prior art, the cleaning device has the advantage that dirt in the ring cylinder can be cleaned more conveniently and quickly.

The utility model provides a PU (polyurethane) foaming tire mounting fixture, which relates to the field of tire mounting equipment, and comprises a frame body mechanism, the inner side of the frame body mechanism is fixedly connected with a guide rail assembly, and solves the problems that a traditional tire mounting fixture easily causes damage such as extrusion deformation, surface scratch and the like to a tire in the mounting process; the problems that a traditional clamp is poor in universality, cannot be rapidly adjusted according to different installation positions, is low in installation efficiency and is tedious to operate in the prior art are solved, and a displacement assembly is driven to move along a transverse groove through a power structure composed of a guide rail assembly on the inner side of a frame body mechanism, a servo motor A and a transmission screw rod; and a servo motor B is matched to drive the bracket mechanism to rotate, position adjustment of the foaming wheel piece in the horizontal direction and the vertical direction is achieved, the problems that a traditional clamp is poor in universality and the installation position cannot be rapidly adjusted are solved, different installation scene requirements can be met, and the installation efficiency is improved.

The utility model discloses a clamp for 45 DEG angle cutting sample of rail head of steel rail, including base, the top of base is fixed with L type cushion block through welding, one end of L type cushion block is fixed with rectangular pipe through welding, the utility model discloses the assembling hole, inner plate and reset spring of design, slide the inner plate to the assembling hole, the top rod is drawn and is limited, guarantee top rod drawing and will not from the rectangular pipe inside separation, avoid the inconvenient operation of again hole insertion when traditional top rod uses, when stopping clamping the rail head, the band sawing machine is stopped to the top rod extrusion to the hydraulic clamp, and reset spring that is in the compression state recovers deformation and exerts elastic force at this moment, and the top rod is pushed and is reset quickly automatically, need not manually drawing top rod and stop clamping the rail head, make the utility model discloses operation more convenient and fast.

The utility model relates to the field of material transportation, in particular to a stacking device for flexible material packaging, which comprises a conveying unit comprising a conveying frame, a conveying belt and limiting components arranged on two sides of the conveying direction of the conveying belt and used for protecting flexible material boxes; the stacking unit comprises a mechanical arm, a universal rotating seat and an adsorption assembly which is arranged on the universal rotating seat and used for transferring the flexible material box, the flexible material box is protected by sliding an adsorption rod and elasticity through the arrangement of the adsorption assembly, and the flexible material box is prevented from being extruded by the adsorption assembly; the posture of the flexible material box is adjusted in the air by arranging the universal rotating seat, so that the flexible material box on the stacking frame is finally stacked in order, and space waste is avoided; and the limiting assembly is arranged to achieve the posture adjusting effect on the flexible material box in the operation process of the mechanical arm, the situation that a large dip angle is generated when the flexible material box makes contact with the mechanical arm is avoided, and the flexible material box is prevented from being extruded and deformed.

The utility model relates to the technical field of civil engineering materials and tests, and particularly discloses an electric flux test piece coring device. The device comprises a device body, the device body comprises a supporting seat, and the side wall of one end of the supporting seat sinks inwards to form a clamping groove for containing a concrete block; a vertical rod perpendicular to the supporting base is arranged above a clamping assembly used for clamping and fixing the concrete block in the clamping groove, and a coring machine which moves in the length direction of the vertical rod and stretches into the clamping groove is arranged on the vertical rod. The situation that the cut cylindrical test piece is damaged due to the fact that the concrete block shakes when being cut by the coring machine can be prevented.

The utility model discloses a positioning transmission device for paper core processing relates to paper core processing technical field, including support frame platform, the middle installation of support frame platform has the transmission mechanism, the front end of support frame platform is installed with control system, the upper end of support frame platform is provided with fixed establishment, the fixed establishment includes two sets of mounting panel and two sets of arc frame board, and the upper end of two sets mounting panel all is installed with vertical seat. The utility model, can fix paper core, prevent paper core and shift or the stability of wobble when processing, improve paper core processing's quality and production efficiency, and the setting of infrared inductor can accurately detect paper core position, ensure accurate stop and positioning in the designated processing position, effectively avoid the processing defect caused by inaccurate positioning, improve paper core processing's precision and consistency greatly.

The utility model provides a kind of opposed leather cup piston type gas supply device, it is related to the technical field of automobile suspension, and it includes: piston, leather cup, leather cup compression ring, air inlet valve piece, connecting rod, piston pin, piston pin bushing, press pin and guide ring, piston front end is equipped with leather cup, leather cup front end is equipped with leather cup compression ring, leather cup compression ring front end is equipped with air inlet valve piece, press pin is located air inlet valve piece front end, and press pin is fixedly connected with piston, connecting rod front end is equipped with shaft hole, piston pin bushing is installed in shaft hole with interference, piston pin passes through piston pin bushing, piston pin is connected with piston with interference, guide ring is fixedly connected on the outside of piston, by setting connecting rod and piston pin hinged and connecting rod can be along piston pin axial floating structure, and the head of press pin and air inlet valve piece are spaced, solve the piston axial eccentricity caused by cam when gas supply device reciprocates and the uneven contact and friction between cylinder inner wall, further lead to the technical problem of eccentric wear.

The utility model provides a kind of variable luggage placing rack, comprising: cushion block and positioning moving groove, the cushion block upper end left and right sides are respectively equipped with a group of side support frame for supporting several groups of luggage stop frame, the side support frame is concave structure distribution, the side support frame upper end is equipped with a group of luggage stop frame for shielding luggage outside, compared with prior art, the utility model has the beneficial effects as follows: first, the cushion block is fixed in target position, to ensure that the side support frame is concave structure distribution to stabilize the support of luggage stop frame, by adjusting the telescopic length of lifting rod, the height of luggage stop frame can be flexibly adjusted to adapt to different size luggage, prevent it from toppling or extrusion deformation, the front moving plate is embedded with the positioning moving groove by the hinged lug and realizes left-right translation, expands or reduces bearing area, to load different size luggage in this way.

The utility model relates to the technical field of medical catheter processing equipment, in particular to a medical instrument composite catheter FEP heat shrink tube peeling tool which comprises a base, a blade and a blade position adjusting mechanism. The base is provided with a channel for a to-be-peeled pipe to penetrate through, the surface of the base is provided with an inclined surface, an included angle is formed between the inclined surface and the central axis of the to-be-peeled pipe in the channel, and the base is provided with a stop block in a protruding mode; the side face of the blade is attached to the side face of the check block, the bottom edge of the blade is attached to the inclined face, and the tool nose of the blade makes contact with the to-be-peeled pipe extending out of the channel. The blade position adjusting mechanism is arranged on the check block or the base and used for adjusting the position of the blade in the length direction of the inclined face. By utilizing the blade position adjusting mechanism, the side surface of the blade can move close to the stop block, and the bottom edge of the blade can move close to the inclined surface, so that the distance between the tip of the blade and a to-be-peeled pipe is controlled, the cutting depth of the blade can be accurately controlled, the device can adapt to different FEP pipes, and an internal guide pipe is not scratched.