35results about How to "Achieve orientation" patented technology

The invention provides a wafer claw using a flexible hinge, and relates to the technical field of silicon wafer conveying devices. The sheet claw comprises a driving assembly and an adsorption assembly, the driving assembly comprises a base and a driving piece, the driving piece is used for driving the adsorption assembly to ascend and descend, the driving piece comprises a fixed part and a movable part, the fixed part is fixedly connected with the base, and the movable part is fixedly connected with the adsorption assembly; the sheet claw further comprises a plurality of fixing bases which are evenly arranged around the axis of the movable part, and a flexible hinge is connected between each fixing base and the movable part. The flexible hinge comprises at least one branch chain, each branch chain comprises at least one flexible piece, and the flexible pieces extend in the direction perpendicular to the lifting direction of the adsorption assembly. The wafer claw can achieve the guiding effect of a linear bearing, does not use a lubricant, can avoid the situation that grease volatilizes in high-vacuum and ultrahigh-vacuum environments to generate particles to pollute the environment and silicon wafers, and does not have the problem of gas leakage.

This invention relates to a microfluidic chip driven by acoustically excited droplet-shaped microbubbles and its fabrication process. A droplet-shaped microbubble array is obtained through microfluidic chip structure design. Under acoustic excitation, the microbubbles oscillate, generating asymmetric acoustic-flow vortices, which in turn directionally drive the microfluidic fluid within the microchannels. The flow rate can be linearly controlled by adjusting the driving voltage, offering advantages such as non-contact, pollution-free, and highly efficient directional driving. The fabrication process is based on MEMS technology, employing nitrogen plasma bonding and soft lithography, resulting in low cost and suitability for mass production. This invention solves the problem of the lack of directionality in traditional symmetrical acoustic-flow vortices and can be widely applied in fields such as biomedicine, drug delivery, and chemical analysis.

The application relates to the field of high-end equipment manufacturing technology, in particular to a large-size shaft end nut locking anti-loosening structure and method. The anti-loosening structure comprises a snap ring fixed in the circumferential direction of a main shaft, a locking nut abutting against the end face of the snap ring and a limiting pin. The bottom of the limiting pin abuts against an elastic pad, and the top of the limiting pin protrudes from the end face of the snap ring. A plurality of pin holes are formed in the locking nut. When the locking nut is screwed on the main shaft close to the snap ring, the limiting pin is axially compressed and moves close to the side of the elastic pad along the groove. When the locking nut abuts against the snap ring, the limiting pin is embedded in the pin hole under the elastic force of the elastic pad, the reverse rotation of the locking nut is limited, the size of the axial pre-tightening force of the wheel hub bearing is stabilized, the bearing clearance of the wheel hub bearing is kept within the set value, the mechanical performance of the wheel hub bearing unit is improved, the service life of the wheel hub bearing unit is prolonged, and the driving safety of the automobile is improved.

This invention relates to the field of machine tool equipment and discloses an intelligent gantry machining center, including a machining table and a controller. Automatic guide rails are provided on both sides of the machining table, and a gantry frame is mounted on the automatic guide rails. The gantry frame includes two columns and a central crossbeam. A machining die is mounted on the central crossbeam. Circulation pipes are embedded within the columns and the central crossbeam. A cleaning mechanism is provided on the machining table for cleaning debris. This invention, by embedding circulation pipes within the two columns and the central crossbeam, and connecting the circulation pipes to a circulation pump, enables air circulation within the columns and the central crossbeam, making the temperature of the left and right columns more uniform and eliminating temperature differences caused by sunlight, air conditioning, etc., thus improving the thermal stability of the gantry machining center. Furthermore, the cleaning mechanism thoroughly cleans machining debris from the machining table, minimizing the adverse effects of machining debris.

The present invention provides an integrated purification plate forming machine, which relates to the field of plate production, including a body structure, wherein mounting frames are installed on the outer walls of the left side and the middle position of the body frame of the body structure, the bottom bearing plate is transported on the body structure, the guiding components of the body structure guide the bottom bearing plate, and the gluing components of the body structure apply glue to the inner wall of the bottom bearing plate, the introducing components close to the gluing components are set to an inclined shape, so that the filler can be stably introduced into the bottom bearing plate, the top sealing plate is poured in an inclined direction toward the upper side of the bottom bearing plate, the auxiliary components are on the inner side of the top sealing plate, the top sealing plate is glued, and finally the top sealing plate and the bottom bearing plate are pressed together by the pressing component to realize the integrated forming of the purification plate, which is conducive to solving the problems that the existing purification plate production steps are scattered, the plate cannot be formed at one time, the filler is easily skewed when the filler is placed by manual operation, and the upper and lower plates are difficult to press symmetrically.

The invention discloses a directional fan-shaped range pickup method and system based on a microphone linear array, a terminal and a medium, and the method comprises the steps: building the microphone linear array which comprises at least one directional microphone and a plurality of omnidirectional microphones; determining a sound source angle and a distance between a sound source and the center of the omni-directional microphone based on the phase difference between the omni-directional microphones, and determining a fan-shaped pickup area based on the sound source angle and the distance to realize fan-shaped range pickup; and determining a position relationship between the sound source and the microphone linear array based on an amplitude difference between the directional microphone and any omnidirectional microphone, and obtaining a directional fan-shaped pickup area based on the position relationship and the fan-shaped pickup area, thereby realizing directional fan-shaped range pickup. The position relation means that the sound source is located in front of or behind the microphone linear array. According to the invention, the pickup distance and angle can be accurately controlled, and the directional fan-shaped range area pickup can be effectively solved.

The utility model provides a bilateral cyclone combustion chamber which comprises a fixed installation cylinder, one side of the fixed installation cylinder is connected with a combustion assembly, the other side of the fixed installation cylinder is connected with a cyclone assembly, the cyclone assembly comprises an air supply fixing plate, the air supply fixing plate is fixedly connected with an air supply air outlet cylinder, and the air supply air outlet cylinder is fixedly connected with an air outlet. A first air outlet groove and a second air outlet groove are formed in the air supply outlet barrel, a first air guide plate and a second air guide plate are fixedly connected to the air supply outlet barrel, a fixed mounting plate is fixedly connected to the outer side of the fixed mounting barrel, an air storage cover is connected to one side of the fixed mounting plate, and an air supply fan is fixedly connected to the outer side of the air storage cover. The first air guide plate and the second air guide plate guide air to form cyclone, so that air can be more effectively supplied to the combustion assembly, the air volume is increased, the speed is increased, meanwhile, the sprayer is effectively prevented from achieving smooth ignition of oil, the temperature in the combustion cavity is guaranteed, auxiliaries are effectively heated, and the working efficiency of the sprayer is improved.

The invention relates to the technical field of dynamic simulation, and discloses an electric fireplace three-dimensional dynamic flame simulation generation method and system, and the method comprises the steps: obtaining a flame base region, carrying out temperature gradient solution and heat source intensity mapping, obtaining temperature gradient distribution and heat source intensity distribution, and carrying out heat flow direction vector screening, and obtaining an initial thermal driving vector; according to the initial thermal driving vector, acceleration weighting calculation is carried out to obtain a final acceleration, and spatial displacement calculation is carried out to obtain an actual track sequence; according to the actual track sequence, displacement correction is carried out, a coherent path sequence is generated, abnormity recognition is carried out, and an abnormal path is obtained; calculating the variance of the initial speed sequence according to the coherent path sequence to obtain an inter-frame continuity result, and performing trajectory smoothing according to the abnormal path to obtain an optimized trajectory sequence; and performing three-dimensional texture generation according to the optimized track sequence to obtain flame texture output. The method can realize dynamic high-precision simulation of flame.

The utility model relates to the technical field of cigarette production, in particular to a cigarette packet overturning and pushing device which comprises a conveying device, the conveying device comprises an upstream conveying belt and a downstream conveying belt, a pushing device is arranged between the upstream conveying belt and the downstream conveying belt, and an overturning device is arranged between the front side of the pushing device and an input port of the downstream conveying belt. The turnover device comprises an electric push rod, a connecting plate, a rotating shaft, a rotating plate, a turnover plate and a telescopic rod, the rotating plate is fixedly connected to the top end of the rotating shaft, the turnover plate is hinged to one side of the rotating plate, and the telescopic rod is fixedly installed between the rotating plate and the turnover plate. The cigarette packets move forwards on the upstream conveying belt, the upstream conveying belt conveys the cigarette packets to the overturning device, the pushing device monitors the front and back faces of the cigarette packets, the cigarette packets are pushed by the pushing device when the cigarette packets are located on the front faces, the cigarette packets are overturned by the overturning device when the cigarette packets are located on the back faces, and the downstream conveying belt receives the overturned cigarette packets. And the processing speed and throughput of the production line are improved.

This invention provides a medical rotary abrasion device, relating to the field of medical device technology. The medical rotary abrasion device includes a guiding puncture mechanism and a rotary abrasion mechanism; the guiding puncture mechanism includes a guiding component and a puncture component, and the rotary abrasion mechanism includes a rotary abrasion bar and a driving component. The driving component is pulverizingly connected to the rotary abrasion bar to drive the rotary abrasion bar to rotate, and the rotary abrasion bar has a first channel extending axially along the rotary abrasion bar; the medical rotary abrasion device includes a puncture state and a rotary abrasion state. When the medical rotary abrasion device is in the puncture state, one end of the puncture component is connected to the guiding component, and the other end extends out of the guiding component; when the medical rotary abrasion device is in the rotary abrasion state, one end of the rotary abrasion bar extends out of the guiding component, and the other end is pulverizingly connected to the driving component. The medical rotary abrasion device provided by this invention solves the technical problem in the prior art of being unable to process postoperative charred tissue.

A connecting device for a cabinet body comprises a connecting device body, a first connecting plane is arranged on one side of the connecting device body, a second connecting plane and a third connecting plane are arranged on the other side of the connecting device body, a segment difference is arranged between the second connecting plane and the third connecting plane, and a connecting piece is arranged on the other side of the connecting device body. The first connecting plane is used for being detachably connected to the handle baffle, the second connecting plane and the third connecting plane are used for abutting against the cabinet body, and the connecting piece is used for being detachably connected to the cabinet body. Due to the fact that the section difference is formed between the second connecting plane and the third connecting plane, in the process of installing the handle baffle, the connecting device only needs to be simply turned over, and the first connecting plane corresponding to the second connecting plane or the third connecting plane corresponding to the thickness size of the handle baffle is aligned with the handle baffle. According to the design, not only is the installation process simplified, but also the adaptability of the product and the user experience are greatly improved.

The utility model relates to the technical field of PCBA (printed circuit board assembly) detection, and discloses a conveying device for PCBA detection, which comprises a supporting seat, a conveying belt is arranged in the supporting seat, a motor is fixedly connected to the outer wall of the supporting seat, the output end of the motor is fixedly connected to the outer wall of the supporting seat, a connecting rod is fixedly connected to the top of the supporting seat, and the connecting rod is fixedly connected to the bottom of the supporting seat. A fixing plate is arranged at the top of the connecting rod, a guide assembly is arranged in the fixing plate, the guide assembly comprises a sliding rail and a guide plate, and the interior of the guide plate is slidably connected to the outer wall of the sliding rail. According to the utility model, the output end of the push rod drives the connecting block to slide in the fixed plate, and the guide plate drives the rack to rotate on the outer wall of the gear through the movement of the connecting block, so that the effect of guiding the circuit board is realized, and the problem that the circuit board deviates or inclines due to factors such as uneven speed of the conveyor belt when moving on the conveyor belt is solved. The problem of inaccurate detection and positioning caused by offset is avoided, and the stability is improved.

The present invention provides a laser detection device and detection method for a PCCP pipeline, comprising a PCCP pipeline, a circle of steel pipes installed in the pipe wall of the PCCP pipeline, a front moving plate and a rear moving plate placed in the PCCP pipeline, the front side of the front moving plate is rotatably connected to a rotating pipe, the front side of the front moving plate is located in the rotating pipe and an angle adjustment seat is installed, a laser rangefinder is installed at the front end of the angle adjustment seat, the laser rangefinder is used to measure the length of each section of the pipeline and the distance between the device and the bend of the PCCP pipeline, and the laser rangefinder is driven by an angle adjustment motor to complete the up and down and left and right angle adjustment. The device can be autonomously and stably moved in the pipeline by remote control, so that the laser distance measurement is consistent with the pipeline axis, the measurement is accurate, the length of each straight section and the bending section of the pipeline can be completed, and the wall thickness of the entire section of the pipeline can be uniformly detected in the circumferential direction, the wall thickness is auxiliary monitored, the detection accuracy is improved, and the corrosion of the pipe wall is further understood.

The utility model discloses a novel slow-cooling guide groove device for high-speed wires and belongs to the field of metallurgical steel rolling. The double-wheel guiding and guarding device comprises a guide groove, a support and a double-wheel guiding and guarding device, the guide groove is provided with a front-back penetrating guide groove channel, the front side of the guide groove channel is a horn mouth, the double-wheel guiding and guarding device is fixedly installed on the rear side of the guide groove through the support, and the double-wheel guiding and guarding device comprises two guide wheels rotationally arranged on the support in parallel, and arc-shaped guide wheel grooves are machined in the side walls of the guide wheels. The two symmetrical arc-shaped guide wheel grooves form a guide wheel channel, the cross sectional area of the guide wheel channel is smaller than that of the guide groove channel, and a wire enters the channel from the horn mouth, passes through the arc-shaped guide wheel grooves of the two guide wheels and then penetrates out. The double-wheel guide and guard device solves the problem that a slow cooling guide groove behind a high-speed wire rod finishing mill scratches red steel wire rods, a double-wheel guide and guard device is installed at an outlet of the guide groove, so that the red steel wire rods do not make direct contact with the guide groove when walking in the guide groove, scratching is avoided, and machining quality is improved.

The invention belongs to the technical field of temperature detection devices, and discloses an automatic rubber material temperature detection device which is used for a rubber extrusion tablet press. The temperature thermocouple is connected with a piston rod of a cylinder; the cylinder is fixed on a cylinder seat; the electric control system is connected with the cylinder; a small hole is formed in the side face of the trough, and the guide sleeve is installed on the trough through the small hole. The electric control system is electrically linked with the upper internal mixer; rubber discharged from the upstream internal mixer falls into the trough; the electric control system sends an instruction after obtaining a signal that the internal mixer finishes discharging, the air cylinder pushes the temperature measuring thermocouple to be inserted into the material groove to detect the temperature of the rubber material, and a temperature signal is fed back to the electric control system, so that automatic detection of the temperature of the rubber material is realized. And the temperature thermocouple is matched with the guide sleeve to ensure sealing and no leakage. And the rubber extrusion tablet press normally and continuously operates and does not need to be shut down.

The utility model provides a kind of edge grinding machine for wooden toy building block processing, it is related to building block processing technical field, including edge grinding subassembly and conveying subassembly, the overturning subassembly is arranged on the edge grinding subassembly, the guide subassembly is arranged on the conveying subassembly, the dust extraction subassembly is arranged on the conveying subassembly, the edge grinding subassembly includes driving motor and support frame.The utility model is extended by second electric push rod, promotes the clamping piece to move to side, promotes the clamping piece to realize clamping to circular wood block, it is favorable to improve the stability of circular wood block edge grinding, then it is extended by third electric push rod, it is favorable to promote the ascending of connecting frame, in turn it is favorable to drive motor synchronous ascending, and cooperate motor electric drive turntable to rotate, it is favorable to make the clamping piece drive circular wood block overturn, promote the double edge grinding of edge grinding roller to circular wood block, without artificial overturning to circular wood block, reduce the intensity of human labor.

The utility model discloses a kind of double-edge synchronous edge grinding machines for wood board processing, including roller conveyor, the upper end surface of roller conveyor and located in middle position is equipped with notch, the inside of notch and located in front and back both sides are slidably provided with moving plate, the outer wall of moving plate and located in upper and lower both sides are fixedly provided with mounting bracket, the middle position of mounting bracket is rotatably provided with polishing roll, the upper end surface of mounting bracket is fixedly provided with motor, the output of motor is fixedly connected with polishing roll, so that user can make polishing roll rotate by controlling motor, to carry out edge grinding treatment to the wood board passing, and user can also make threaded rod drive moving plate and polishing roll to move by rotating hand wheel, to adjust the distance between two polishing rolls, conveniently edge grinding treatment is carried out to different size wood board.

The invention discloses a termite trapping and killing device with an intelligent cleaning function, the termite trapping and killing device comprises a bait frame placed in a protection box and a leak hole protection frame fixed in the protection box and used for protecting the bait frame, two groups of climbing ports are formed in the bottom of the front surface of the protection box, and the termite trapping and killing device is characterized in that ventilation mechanisms are arranged on the two sides of the protection box respectively; the ventilation mechanism comprises four groups of guide plates, a swing assembly and four groups of partition plates, and the swing assembly drives the guide plates to be rotationally arranged among the partition plates; a closing plate is slidably arranged at the position, close to the climbing opening, of the inner surface of the protection box, and the guide plate swings and drives the closing plate to move up and down at the end opening of the climbing opening. A cleaning mechanism is arranged in the protection box and comprises a lantern ring plate and two sets of vertical plate frames, the air environment in the pesticide box can be effectively guaranteed, it is guaranteed that pesticide is effectively used for a long time, meanwhile, efficient cleaning of a net opening can be achieved, and the net opening is prevented from being blocked.

The utility model relates to the technical field of power equipment, and discloses an assembled DC power supply cabinet, which comprises a DC power supply cabinet body, and the DC power supply cabinet body comprises a rack. According to the assembled direct-current power supply cabinet, a hand-held rod is pulled towards the inner side through hand holding, then an insertion block is driven to move on the surface of a guide column, meanwhile, a second spring is compressed, then the insertion block is stored in an inner cavity of a fixing rod, then the insertion block is separated from an inner cavity of a fixing piece, and then a pull ring is pulled forwards through hand holding; and then the fixed rod and the battery pack are driven to move, so that the battery pack can be quickly disassembled, and the problems that in the using process of an existing direct-current power cabinet, an operator cannot conveniently disassemble and quickly assemble modules in the power cabinet, and then the operator cannot conveniently transport and maintain the modules in the power cabinet, so that the working efficiency is improved are solved. And an operator is inconvenient to replace and upgrade the module according to needs.

The utility model discloses a lower box body anti-explosion valve sealing ring feeding clamp which comprises a clamp base body, a double-station sealing ring feeding track, a moving block moving track, a moving block, a sealing ring double-station feeding clamping groove and a stroke air cylinder. A moving block moving track perpendicular to the double-station sealing ring feeding track is arranged at the tail end of the double-station sealing ring feeding track, a moving block is arranged in the moving block moving track, a sealing ring double-station feeding clamping groove is formed in the moving block, and one end of the moving block is connected with an air cylinder rod of a stroke air cylinder. According to the utility model, the relative positions of the sealing ring and the explosion-proof valve body are precisely limited, and the sealing ring is quickly fed and positioned, so that the assembly efficiency and quality can be effectively improved, and the labor cost and the defective rate are reduced.

This invention relates to the field of semiconductor technology and provides a pre-alignment method and apparatus. The pre-alignment method includes: S1: acquiring edge information of the wafer to obtain the eccentricity, and adjusting the wafer position to compensate for the eccentricity; S2: acquiring scribe line image information of the upper surface of the wafer to obtain the actual direction of the scribe line, and rotating the wafer to adjust the direction of the scribe line to a specified direction; S3: acquiring edge image information of the edge of the upper surface of the wafer located within the illumination area, and matching the edge image information with the notch of the template to obtain the notch position of the wafer and complete the orientation. This method is suitable for the pre-alignment of wafers where the notch morphology has changed drastically, which helps to improve work efficiency and facilitates automated alignment operations.

The utility model relates to the technical field of electromagnetic valve assembling and disassembling tools, in particular to a disassembling device for taking out a pole shoe from an electromagnetic valve pilot module. The dismounting device comprises a press-fitting module and a dismounting module, wherein the press-fitting module is provided with a first groove extending downwards from the top surface of the press-fitting module; the supporting module is provided with a second groove which extends upwards from the bottom surface of the supporting module; wherein the bottom end of the press-fitting module is clamped in the second groove in a sliding mode, the top end of the supporting module is clamped in the first groove in a sliding mode, and the press-fitting module can move up and down relative to the supporting module; the top end of the supporting module is provided with a through hole used for being connected with a pole shoe, the press-fitting module is provided with a hole channel penetrating from the upper end to the lower end of the press-fitting module, and the diameter of the hole channel is between the diameter of the shell and the diameter of the pole shoe. According to the dismounting device, the structure is simple and compact, the operation is convenient, and the pole shoe can be rapidly and accurately dismounted from the shell.

This invention relates to the field of tobacco processing technology and discloses a method for the targeted generation of solanone in tobacco leaves. The method includes the following steps: First, soaking the tobacco leaves in an SDS solution with a mass percentage concentration of 0.05-1% to disrupt the surface structure of the leaves and promote the entry of the bacterial strain into the leaf tissue; second, soaking the tobacco leaves in a solution of *Sphingomyelinatoria* (accession number CCTCC AB 2014121), utilizing the biocatalytic action of this specific strain to efficiently and specifically convert cephalotrimethylenediol in the tobacco leaves into the target aroma component, solanone; finally, subjecting the treated tobacco leaves to heat treatment at 90-110°C for 20-45 minutes to terminate the reaction, stabilize the product, and fix the solanone conversion rate. This invention achieves targeted and efficient enrichment of solanone through a specific process, significantly improving the aroma quality of tobacco leaves. The method is stable and reliable and has significant application value.

The application discloses a lignin carbon fiber-based microneedle electrode, which comprises a working microneedle electrode, a counter microneedle electrode and a reference microneedle electrode; the working microneedle electrode is a specific biological recognition interface constructed by depositing gold on a microneedle substrate, bridging through a mercapto-polyethylene glycol-carboxyl self-assembled molecular layer and covalently coupling H3Cit antibodies by using an NHS / EDC·HCl activation method; the microneedle substrate is prepared by the following steps: ball milling and ultrasonic dispersion of lignin carbon fibers in a dichloromethane solution of polylactic acid-glycolic acid copolymer to obtain a slurry, and injecting the slurry into a microneedle array mold and removing bubbles in vacuum. The application discloses a three-electrode sensor, which comprises a working electrode, a reference electrode and a counter electrode, and the working microneedle electrode is used as the working electrode. The application discloses an application of the three-electrode sensor in detection of H3Cit. The lignin carbon fiber-based microneedle electrode has regular arrangement and good mechanical properties, and can effectively recognize H3Cit.

The utility model relates to a garbage truck technical field, concretely relates to a carriage detachable garbage truck, including the car body and the hook arm device, the hook arm device is installed on the car body, still include guiding device, guiding device includes support chassis, guide plate, moving plate, stabilizer and push assembly, support chassis fixed mounting is in the car body bottom, guide plate sliding installation is in the support chassis, stabilizer fixed mounting is in the car body bottom, moving plate is slidingly installed on the stabilizer through the push assembly, moving plate and guide plate rotation connection, through push assembly to push moving plate, make moving plate push guide plate, until guide plate and support chassis are separated, at this time because of the rotation connection of guide plate and moving plate, make guide plate lean and lean on support chassis on, thereby realize the guiding effect to garbage truck carriage, ensure that garbage truck carriage moves accurate and moves to the car body.

The utility model relates to the technical field of PP plate processing equipment, and discloses a PP plate traction device which comprises a first mounting frame and a second mounting frame, positioning blocks are fixedly connected to the upper edges of the inner sides of the first mounting frame and the second mounting frame, and an adjusting assembly is arranged between the first mounting frame and the second mounting frame. The height of the traction assembly between the lead screw sliding frame and the lifting sliding frame can be adjusted through the adjusting assembly and rotation of the electric lead screw, the distance between the upper electric rotating roller and the lower electric rotating roller can be adjusted through lifting sliding of the first electric lifting sliding base and the second electric lifting sliding base, and meanwhile the distance between the upper electric rotating roller and the lower electric rotating roller can be adjusted. The relative displacement of the two guide baffles can be adjusted through rotation of the electric two-way threaded rod so as to prevent deviation and achieve directional traction of the PP plates, the flexible adjusting mode is suitable for assembly of equipment of different sizes, and the requirement for directional traction conveying machining of the PP plates of different sizes is met.

The present invention relates to the field of molds, and specifically to a high-precision stamping mold, comprising a base plate, a support seat fixedly connected to the top of the base plate, a workbench fixedly connected to the top of the support seat, a lower mold core detachably connected to the top of the workbench, a support leg fixedly connected to the top of the support leg, a hydraulic cylinder fixedly connected to the bottom of the top plate, a mobile platform fixedly connected to the top of the hydraulic cylinder output shaft, and an upper mold core detachably connected to the bottom of the mobile platform. The present invention uses a spring that is quickly and detachably installed on a guide elastic device. The spring is not fixed by welding as in the prior art, and will not cause damage to the surface of the mobile platform or the transmission shaft. It is convenient and quick to replace, and the operation is simple. It avoids the problem of mold stamping problems after long-term use of the spring due to the difficulty in replacing the spring and the artificial lengthening of the spring replacement interval.

The utility model relates to a kind of adjusting mechanism for material guide groove.The adjusting mechanism for material guide groove is provided with adjusting assembly, so that the discharge angle of discharge assembly can be flexibly adjusted during use, and the accuracy of adjustment during use can be ensured, so that good conveying effect can be achieved for various raw materials.The flow guide plate is provided, so that the raw materials can be effectively guided during use, and the material of the two sides of the flow guide plate is the same as the material of the two discharge grooves, which can effectively ensure that the friction of the inner wall of the discharge groove can be flexibly changed when different raw materials are conveyed, so that the normal conveying effect of the raw materials is ensured.

This utility model discloses a muscle-stretching and spinal therapy mattress, belonging to the technical field of health, elderly care, fitness, and physiotherapy. It includes a mattress body with a headboard and a footboard at its two ends. The headboard has a top plate, and the footboard has a stretching plate. An elastic headrest is provided on the side of the top plate facing the stretching plate, and a semi-rigid medical footrest is provided on the side of the stretching plate facing the top plate. The bottom of the mattress body has a foot stretching mechanism for driving the stretching plate to move along the length of the mattress body. The foot stretching mechanism includes a cylinder, with the cylinder seat connected to the mattress body and the piston rod connected to the stretching plate. This utility model has the effects of muscle revitalization, increased flexibility, muscle-stretching and spinal therapy, and strengthening the body. It can be used at home by the general public, is easy to operate, and reduces the treatment costs for patients.

This invention discloses a tooling and manufacturing method for manually producing square steel torsion springs, including a dense coil rolling mold, a hook forming mold, and a starting pitch mold. The dense coil rolling mold includes a rolling mandrel, a limiting plate, and a rolling handle. The hook forming mold includes a forming handle, a rotating shaft, and a forming vertical rod. The starting pitch mold includes a fixing block. This application utilizes the cooperation between the dense coil rolling mold, the hook forming mold, and the starting pitch mold, along with existing lathes and stamping machines, to sequentially complete the three steps of dense coil rolling, hook forming, and starting pitch production. This enables manual production of torsion springs to meet production needs, thereby eliminating the need to purchase a torsion spring machine and reducing enterprise expenses.